// "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman // Ken Silverman's official web site: "http://www.advsys.net/ken" // See the included license file "BUILDLIC.TXT" for license info. // // This file has been modified from Ken Silverman's original release // by Jonathon Fowler (jf@jonof.id.au) #define ENGINE #include "build.h" #include "pragmas.h" #include "cache1d.h" #include "a.h" #include "osd.h" #include "crc32.h" #include "baselayer.h" #include "engine_priv.h" #if USE_POLYMOST # include "polymost_priv.h" # if USE_OPENGL # include "hightile_priv.h" # include "polymosttex_priv.h" # include "polymosttexcache.h" # include "mdsprite_priv.h" # endif # ifdef _WIN32 # define WIN32_LEAN_AND_MEAN # include # endif #endif #include #include void *kmalloc(bsize_t size) { return(Bmalloc(size)); } void kfree(void *buffer) { Bfree(buffer); } void loadvoxel(int voxindex) { voxindex=0; } int tiletovox[MAXTILES]; int usevoxels = 1; #define kloadvoxel loadvoxel int novoxmips = 0; //These variables need to be copied into BUILD #define MAXXSIZ 256 #define MAXYSIZ 256 #define MAXZSIZ 255 #define MAXVOXMIPS 5 intptr_t voxoff[MAXVOXELS][MAXVOXMIPS]; unsigned char voxlock[MAXVOXELS][MAXVOXMIPS]; int voxscale[MAXVOXELS]; static int ggxinc[MAXXSIZ+1], ggyinc[MAXXSIZ+1]; static int lowrecip[1024], nytooclose, nytoofar; static unsigned int distrecip[65536]; static int *lookups = NULL; int dommxoverlay = 1, beforedrawrooms = 1; static int oxdimen = -1, oviewingrange = -1, oxyaspect = -1; int curbrightness = 0, gammabrightness = 0; float curgamma = 1.0; //Textured Map variables static unsigned char globalpolytype; static short *dotp1[MAXYDIM], *dotp2[MAXYDIM]; static unsigned char tempbuf[MAXWALLS]; int ebpbak, espbak; #define SLOPALOOKUPSIZ (MAXXDIM<<1) intptr_t slopalookup[SLOPALOOKUPSIZ]; #if USE_POLYMOST && USE_OPENGL palette_t palookupfog[MAXPALOOKUPS]; #endif int artversion, mapversion=7L; // JBF 20040211: default mapversion to 7 void *pic = NULL; unsigned char picsiz[MAXTILES], tilefilenum[MAXTILES]; int lastageclock; int tilefileoffs[MAXTILES]; int artsize = 0, cachesize = 0; int editorgridextent = 131072; static short radarang[1280], radarang2[MAXXDIM]; static unsigned short sqrtable[4096], shlookup[4096+256]; unsigned char pow2char[8] = {1,2,4,8,16,32,64,128}; int pow2long[32] = { 1L,2L,4L,8L, 16L,32L,64L,128L, 256L,512L,1024L,2048L, 4096L,8192L,16384L,32768L, 65536L,131072L,262144L,524288L, 1048576L,2097152L,4194304L,8388608L, 16777216L,33554432L,67108864L,134217728L, 268435456L,536870912L,1073741824L,2147483647L }; int reciptable[2048], fpuasm; unsigned char britable[16][256]; extern unsigned char textfont[2048], smalltextfont[2048]; static char kensmessage[128]; char *engineerrstr = NULL; static BFILE *logfile=NULL; // log filehandle //unsigned int ratelimitlast[32], ratelimitn = 0, ratelimit = 60; #if defined(__WATCOMC__) && USE_ASM // // Watcom Inline Assembly Routines // #pragma aux nsqrtasm =\ "test eax, 0xff000000",\ "mov ebx, eax",\ "jnz short over24",\ "shr ebx, 12",\ "mov cx, word ptr shlookup[ebx*2]",\ "jmp short under24",\ "over24: shr ebx, 24",\ "mov cx, word ptr shlookup[ebx*2+8192]",\ "under24: shr eax, cl",\ "mov cl, ch",\ "mov ax, word ptr sqrtable[eax*2]",\ "shr eax, cl",\ parm nomemory [eax]\ modify exact [eax ebx ecx] unsigned int nsqrtasm(unsigned int); #pragma aux msqrtasm =\ "mov eax, 0x40000000",\ "mov ebx, 0x20000000",\ "begit: cmp ecx, eax",\ "jl skip",\ "sub ecx, eax",\ "lea eax, [eax+ebx*4]",\ "skip: sub eax, ebx",\ "shr eax, 1",\ "shr ebx, 2",\ "jnz begit",\ "cmp ecx, eax",\ "sbb eax, -1",\ "shr eax, 1",\ parm nomemory [ecx]\ modify exact [eax ebx ecx] int msqrtasm(unsigned int); //0x007ff000 is (11<<13), 0x3f800000 is (127<<23) #pragma aux krecipasm =\ "mov fpuasm, eax",\ "fild dword ptr fpuasm",\ "add eax, eax",\ "fstp dword ptr fpuasm",\ "sbb ebx, ebx",\ "mov eax, fpuasm",\ "mov ecx, eax",\ "and eax, 0x007ff000",\ "shr eax, 10",\ "sub ecx, 0x3f800000",\ "shr ecx, 23",\ "mov eax, dword ptr reciptable[eax]",\ "sar eax, cl",\ "xor eax, ebx",\ parm [eax]\ modify exact [eax ebx ecx] int krecipasm(int); #pragma aux getclipmask =\ "sar eax, 31",\ "add ebx, ebx",\ "adc eax, eax",\ "add ecx, ecx",\ "adc eax, eax",\ "add edx, edx",\ "adc eax, eax",\ "mov ebx, eax",\ "shl ebx, 4",\ "or al, 0xf0",\ "xor eax, ebx",\ parm [eax][ebx][ecx][edx]\ modify exact [eax ebx ecx edx] int getclipmask(int,int,int,int); #elif defined(_MSC_VER) && defined(_M_IX86) && USE_ASM // __WATCOMC__ // // Microsoft C Inline Assembly Routines // static inline int nsqrtasm(int a) { _asm { push ebx mov eax, a test eax, 0xff000000 mov ebx, eax jnz short over24 shr ebx, 12 mov cx, word ptr shlookup[ebx*2] jmp short under24 over24: shr ebx, 24 mov cx, word ptr shlookup[ebx*2+8192] under24: shr eax, cl mov cl, ch mov ax, word ptr sqrtable[eax*2] shr eax, cl pop ebx } } static inline int msqrtasm(int c) { _asm { push ebx mov ecx, c mov eax, 0x40000000 mov ebx, 0x20000000 begit: cmp ecx, eax jl skip sub ecx, eax lea eax, [eax+ebx*4] skip: sub eax, ebx shr eax, 1 shr ebx, 2 jnz begit cmp ecx, eax sbb eax, -1 shr eax, 1 pop ebx } } //0x007ff000 is (11<<13), 0x3f800000 is (127<<23) static inline int krecipasm(int a) { _asm { push ebx mov eax, a mov fpuasm, eax fild dword ptr fpuasm add eax, eax fstp dword ptr fpuasm sbb ebx, ebx mov eax, fpuasm mov ecx, eax and eax, 0x007ff000 shr eax, 10 sub ecx, 0x3f800000 shr ecx, 23 mov eax, dword ptr reciptable[eax] sar eax, cl xor eax, ebx pop ebx } } static inline int getclipmask(int a, int b, int c, int d) { _asm { push ebx mov eax, a mov ebx, b mov ecx, c mov edx, d sar eax, 31 add ebx, ebx adc eax, eax add ecx, ecx adc eax, eax add edx, edx adc eax, eax mov ebx, eax shl ebx, 4 or al, 0xf0 xor eax, ebx pop ebx } } #elif defined(__GNUC__) && defined(__i386__) && USE_ASM // _MSC_VER // // GCC "Inline" Assembly Routines // #define nsqrtasm(a) \ ({ int __r, __a=(a); \ __asm__ __volatile__ ( \ "testl $0xff000000, %%eax\n\t" \ "movl %%eax, %%ebx\n\t" \ "jnz 0f\n\t" \ "shrl $12, %%ebx\n\t" \ "movw %[shlookup](,%%ebx,2), %%cx\n\t" \ "jmp 1f\n\t" \ "0:\n\t" \ "shrl $24, %%ebx\n\t" \ "movw (%[shlookup]+8192)(,%%ebx,2), %%cx\n\t" \ "1:\n\t" \ "shrl %%cl, %%eax\n\t" \ "movb %%ch, %%cl\n\t" \ "movw %[sqrtable](,%%eax,2), %%ax\n\t" \ "shrl %%cl, %%eax" \ : "=a" (__r) \ : "a" (__a), [shlookup] "m" (shlookup[0]), [sqrtable] "m" (sqrtable[0]) \ : "ebx", "ecx", "cc"); \ __r; }) // edx is blown by this code somehow?! #define msqrtasm(c) \ ({ int __r, __c=(c); \ __asm__ __volatile__ ( \ "movl $0x40000000, %%eax\n\t" \ "movl $0x20000000, %%ebx\n\t" \ "0:\n\t" \ "cmpl %%eax, %%ecx\n\t" \ "jl 1f\n\t" \ "subl %%eax, %%ecx\n\t" \ "leal (%%eax,%%ebx,4), %%eax\n\t" \ "1:\n\t" \ "subl %%ebx, %%eax\n\t" \ "shrl $1, %%eax\n\t" \ "shrl $2, %%ebx\n\t" \ "jnz 0b\n\t" \ "cmpl %%eax, %%ecx\n\t" \ "sbbl $-1, %%eax\n\t" \ "shrl $1, %%eax" \ : "=a" (__r) : "c" (__c) : "edx","ebx", "cc"); \ __r; }) #define krecipasm(a) \ ({ int __a=(a); \ __asm__ __volatile__ ( \ "movl %%eax, (%[fpuasm]); fildl (%[fpuasm]); " \ "addl %%eax, %%eax; fstps (%[fpuasm]); sbbl %%ebx, %%ebx; " \ "movl (%[fpuasm]), %%eax; movl %%eax, %%ecx; " \ "andl $0x007ff000, %%eax; shrl $10, %%eax; subl $0x3f800000, %%ecx; " \ "shrl $23, %%ecx; movl %[reciptable](%%eax), %%eax; " \ "sarl %%cl, %%eax; xorl %%ebx, %%eax" \ : "=a" (__a) \ : "a" (__a), [fpuasm] "m" (fpuasm), [reciptable] "m" (reciptable[0]) \ : "ebx", "ecx", "memory", "cc"); \ __a; }) #define getclipmask(a,b,c,d) \ ({ int __a=(a), __b=(b), __c=(c), __d=(d); \ __asm__ __volatile__ ("sarl $31, %%eax; addl %%ebx, %%ebx; adcl %%eax, %%eax; " \ "addl %%ecx, %%ecx; adcl %%eax, %%eax; addl %%edx, %%edx; " \ "adcl %%eax, %%eax; movl %%eax, %%ebx; shl $4, %%ebx; " \ "orb $0xf0, %%al; xorl %%ebx, %%eax" \ : "=a" (__a), "=b" (__b), "=c" (__c), "=d" (__d) \ : "a" (__a), "b" (__b), "c" (__c), "d" (__d) : "cc"); \ __a; }) #else // __GNUC__ && __i386__ static inline unsigned int nsqrtasm(unsigned int a) { // JBF 20030901: This was a damn lot simpler to reverse engineer than // msqrtasm was. Really, it was just like simplifying an algebra equation. unsigned short c; if (a & 0xff000000) { // test eax, 0xff000000 / jnz short over24 c = shlookup[(a >> 24) + 4096]; // mov ebx, eax // over24: shr ebx, 24 // mov cx, word ptr shlookup[ebx*2+8192] } else { c = shlookup[a >> 12]; // mov ebx, eax // shr ebx, 12 // mov cx, word ptr shlookup[ebx*2] // jmp short under24 } a >>= c&0xff; // under24: shr eax, cl a = (a&0xffff0000)|(sqrtable[a]); // mov ax, word ptr sqrtable[eax*2] a >>= ((c&0xff00) >> 8); // mov cl, ch // shr eax, cl return a; } static inline int msqrtasm(unsigned int c) { unsigned int a,b; a = 0x40000000l; // mov eax, 0x40000000 b = 0x20000000l; // mov ebx, 0x20000000 do { // begit: if (c >= a) { // cmp ecx, eax / jl skip c -= a; // sub ecx, eax a += b*4; // lea eax, [eax+ebx*4] } // skip: a -= b; // sub eax, ebx a >>= 1; // shr eax, 1 b >>= 2; // shr ebx, 2 } while (b); // jnz begit if (c >= a) // cmp ecx, eax a++; // sbb eax, -1 a >>= 1; // shr eax, 1 return a; } static inline int krecipasm(int i) { // Ken did this float f = (float)i; i = *(int *)&f; return((reciptable[(i>>12)&2047]>>(((i-0x3f800000)>>23)&31))^(i>>31)); } static inline int getclipmask(int a, int b, int c, int d) { // Ken did this d = ((a<0)*8) + ((b<0)*4) + ((c<0)*2) + (d<0); return(((d<<4)^0xf0)|d); } #endif int xb1[MAXWALLSB]; static int yb1[MAXWALLSB], xb2[MAXWALLSB], yb2[MAXWALLSB]; int rx1[MAXWALLSB], ry1[MAXWALLSB]; static int rx2[MAXWALLSB], ry2[MAXWALLSB]; short p2[MAXWALLSB]; short thesector[MAXWALLSB], thewall[MAXWALLSB]; short bunchfirst[MAXWALLSB], bunchlast[MAXWALLSB]; static short smost[MAXYSAVES], smostcnt; static short smoststart[MAXWALLSB]; static unsigned char smostwalltype[MAXWALLSB]; static int smostwall[MAXWALLSB], smostwallcnt = -1L; short maskwall[MAXWALLSB], maskwallcnt; static int spritesx[MAXSPRITESONSCREEN]; static int spritesy[MAXSPRITESONSCREEN+1]; static int spritesz[MAXSPRITESONSCREEN]; spritetype *tspriteptr[MAXSPRITESONSCREEN]; short umost[MAXXDIM], dmost[MAXXDIM]; static short bakumost[MAXXDIM], bakdmost[MAXXDIM]; short uplc[MAXXDIM], dplc[MAXXDIM]; static short uwall[MAXXDIM], dwall[MAXXDIM]; static int swplc[MAXXDIM], lplc[MAXXDIM]; static int swall[MAXXDIM], lwall[MAXXDIM+4]; int xdimen = -1, xdimenrecip, halfxdimen, xdimenscale, xdimscale; int wx1, wy1, wx2, wy2, ydimen, ydimenscale; intptr_t frameoffset; static int nrx1[8], nry1[8], nrx2[8], nry2[8]; // JBF 20031206: Thanks Ken static int rxi[8], ryi[8], rzi[8], rxi2[8], ryi2[8], rzi2[8]; static int xsi[8], ysi[8], *horizlookup=0, *horizlookup2=0, horizycent; int globalposx, globalposy, globalposz, globalhoriz; short globalang, globalcursectnum; int globalpal, cosglobalang, singlobalang; int cosviewingrangeglobalang, sinviewingrangeglobalang; unsigned char *globalpalwritten; int globaluclip, globaldclip, globvis; int globalvisibility, globalhisibility, globalpisibility, globalcisibility; unsigned char globparaceilclip, globparaflorclip; int viewingrangerecip; int asm1, asm2, asm4; intptr_t asm3; int vplce[4], vince[4]; intptr_t palookupoffse[4], bufplce[4]; unsigned char globalxshift, globalyshift; int globalxpanning, globalypanning, globalshade; short globalpicnum, globalshiftval; int globalzd, globalyscale, globalorientation; intptr_t globalbufplc; int globalx1, globaly1, globalx2, globaly2, globalx3, globaly3, globalzx; int globalx, globaly, globalz; short sectorborder[256], sectorbordercnt; int pageoffset, ydim16, qsetmode = 0; int startposx, startposy, startposz; short startang, startsectnum; short pointhighlight, linehighlight, highlightcnt; int lastx[MAXYDIM]; unsigned char *transluc = NULL; int halfxdim16, midydim16; #define FASTPALGRIDSIZ 8 static int rdist[129], gdist[129], bdist[129]; static unsigned char colhere[((FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2))>>3]; static unsigned char colhead[(FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2)*(FASTPALGRIDSIZ+2)]; static int colnext[256]; static unsigned char coldist[8] = {0,1,2,3,4,3,2,1}; static int colscan[27]; static short clipnum, hitwalls[4]; int hitscangoalx = (1<<29)-1, hitscangoaly = (1<<29)-1; #if USE_POLYMOST int hitallsprites = 0; #endif typedef struct { int x1, y1, x2, y2; } linetype; static linetype clipit[MAXCLIPNUM]; static short clipsectorlist[MAXCLIPNUM], clipsectnum; static short clipobjectval[MAXCLIPNUM]; typedef struct { int sx, sy, z; short a, picnum; signed char dashade; unsigned char dapalnum, dastat, pagesleft; int cx1, cy1, cx2, cy2; int uniqid; //JF extension } permfifotype; static permfifotype permfifo[MAXPERMS]; static int permhead = 0, permtail = 0; short numscans, numhits, numbunches; static short capturecount = 0; static char capturename[20], captureatnextpage = 0; static int screencapture_pcx(char *filename, char inverseit); static int screencapture_tga(char *filename, char inverseit); unsigned char vgapal16[4*256] = { 00,00,00,00, 42,00,00,00, 00,42,00,00, 42,42,00,00, 00,00,42,00, 42,00,42,00, 00,21,42,00, 42,42,42,00, 21,21,21,00, 63,21,21,00, 21,63,21,00, 63,63,21,00, 21,21,63,00, 63,21,63,00, 21,63,63,00, 63,63,63,00 }; short editstatus = 0; short searchit; int searchx = -1, searchy; //search input short searchsector, searchwall, searchstat; //search output double msens = 1.0; static char artfilename[20]; static int numtilefiles, artfil = -1, artfilnum, artfilplc; char inpreparemirror = 0; static int mirrorsx1, mirrorsy1, mirrorsx2, mirrorsy2; static int setviewcnt = 0; // interface layers use this now static intptr_t bakframeplace[4]; static int bakxsiz[4], bakysiz[4]; static int bakwindowx1[4], bakwindowy1[4]; static int bakwindowx2[4], bakwindowy2[4]; #if USE_POLYMOST static int bakrendmode,baktile; #endif int totalclocklock; palette_t curpalette[256]; // the current palette, unadjusted for brightness or tint palette_t curpalettefaded[256]; // the current palette, adjusted for brightness and tint (ie. what gets sent to the card) palette_t palfadergb = { 0,0,0,0 }; unsigned char palfadedelta = 0; // // Internal Engine Functions // //int cacheresets = 0,cacheinvalidates = 0; // // getpalookup (internal) // static inline int getpalookup(int davis, int dashade) { return(min(max(dashade+(davis>>8),0),numpalookups-1)); } // // scansector (internal) // static void scansector(short sectnum) { walltype *wal, *wal2; spritetype *spr; int xs, ys, x1, y1, x2, y2, xp1, yp1, xp2=0, yp2=0, templong; short z, zz, startwall, endwall, numscansbefore, scanfirst, bunchfrst; short nextsectnum; if (sectnum < 0) return; if (automapping) show2dsector[sectnum>>3] |= pow2char[sectnum&7]; sectorborder[0] = sectnum, sectorbordercnt = 1; do { sectnum = sectorborder[--sectorbordercnt]; for(z=headspritesect[sectnum];z>=0;z=nextspritesect[z]) { spr = &sprite[z]; if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) && (spr->xrepeat > 0) && (spr->yrepeat > 0) && (spritesortcnt < MAXSPRITESONSCREEN)) { xs = spr->x-globalposx; ys = spr->y-globalposy; if ((spr->cstat&48) || (xs*cosglobalang+ys*singlobalang > 0)) { copybufbyte(spr,&tsprite[spritesortcnt],sizeof(spritetype)); tsprite[spritesortcnt++].owner = z; } } } gotsector[sectnum>>3] |= pow2char[sectnum&7]; bunchfrst = numbunches; numscansbefore = numscans; startwall = sector[sectnum].wallptr; endwall = startwall + sector[sectnum].wallnum; scanfirst = numscans; for(z=startwall,wal=&wall[z];znextsector; wal2 = &wall[wal->point2]; x1 = wal->x-globalposx; y1 = wal->y-globalposy; x2 = wal2->x-globalposx; y2 = wal2->y-globalposy; if ((nextsectnum >= 0) && ((wal->cstat&32) == 0)) if ((gotsector[nextsectnum>>3]&pow2char[nextsectnum&7]) == 0) { templong = x1*y2-x2*y1; if (((unsigned)templong+262144) < 524288) if (mulscale5(templong,templong) <= (x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)) sectorborder[sectorbordercnt++] = nextsectnum; } if ((z == startwall) || (wall[z-1].point2 != z)) { xp1 = dmulscale6(y1,cosglobalang,-x1,singlobalang); yp1 = dmulscale6(x1,cosviewingrangeglobalang,y1,sinviewingrangeglobalang); } else { xp1 = xp2; yp1 = yp2; } xp2 = dmulscale6(y2,cosglobalang,-x2,singlobalang); yp2 = dmulscale6(x2,cosviewingrangeglobalang,y2,sinviewingrangeglobalang); if ((yp1 < 256) && (yp2 < 256)) goto skipitaddwall; //If wall's NOT facing you if (dmulscale32(xp1,yp2,-xp2,yp1) >= 0) goto skipitaddwall; if (xp1 >= -yp1) { if ((xp1 > yp1) || (yp1 == 0)) goto skipitaddwall; xb1[numscans] = halfxdimen + scale(xp1,halfxdimen,yp1); if (xp1 >= 0) xb1[numscans]++; //Fix for SIGNED divide if (xb1[numscans] >= xdimen) xb1[numscans] = xdimen-1; yb1[numscans] = yp1; } else { if (xp2 < -yp2) goto skipitaddwall; xb1[numscans] = 0; templong = yp1-yp2+xp1-xp2; if (templong == 0) goto skipitaddwall; yb1[numscans] = yp1 + scale(yp2-yp1,xp1+yp1,templong); } if (yb1[numscans] < 256) goto skipitaddwall; if (xp2 <= yp2) { if ((xp2 < -yp2) || (yp2 == 0)) goto skipitaddwall; xb2[numscans] = halfxdimen + scale(xp2,halfxdimen,yp2) - 1; if (xp2 >= 0) xb2[numscans]++; //Fix for SIGNED divide if (xb2[numscans] >= xdimen) xb2[numscans] = xdimen-1; yb2[numscans] = yp2; } else { if (xp1 > yp1) goto skipitaddwall; xb2[numscans] = xdimen-1; templong = xp2-xp1+yp1-yp2; if (templong == 0) goto skipitaddwall; yb2[numscans] = yp1 + scale(yp2-yp1,yp1-xp1,templong); } if ((yb2[numscans] < 256) || (xb1[numscans] > xb2[numscans])) goto skipitaddwall; //Made it all the way! thesector[numscans] = sectnum; thewall[numscans] = z; rx1[numscans] = xp1; ry1[numscans] = yp1; rx2[numscans] = xp2; ry2[numscans] = yp2; p2[numscans] = numscans+1; numscans++; skipitaddwall: if ((wall[z].point2 < z) && (scanfirst < numscans)) p2[numscans-1] = scanfirst, scanfirst = numscans; } for(z=numscansbefore;z= xb1[p2[z]])) bunchfirst[numbunches++] = p2[z], p2[z] = -1; for(z=bunchfrst;z=0;zz=p2[zz]); bunchlast[z] = zz; } } while (sectorbordercnt > 0); } // // maskwallscan (internal) // static void maskwallscan(int x1, int x2, short *uwal, short *dwal, int *swal, int *lwal) { int x, startx, xnice, ynice; intptr_t i, fpalookup, p; int y1ve[4], y2ve[4], u4, d4, dax, z, tsizx, tsizy; char bad; tsizx = tilesizx[globalpicnum]; tsizy = tilesizy[globalpicnum]; setgotpic(globalpicnum); if ((tsizx <= 0) || (tsizy <= 0)) return; if ((uwal[x1] > ydimen) && (uwal[x2] > ydimen)) return; if ((dwal[x1] < 0) && (dwal[x2] < 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); startx = x1; xnice = (pow2long[picsiz[globalpicnum]&15] == tsizx); if (xnice) tsizx = (tsizx-1); ynice = (pow2long[picsiz[globalpicnum]>>4] == tsizy); if (ynice) tsizy = (picsiz[globalpicnum]>>4); fpalookup = (intptr_t)palookup[globalpal]; setupmvlineasm(globalshiftval); #ifndef ENGINE_USING_A_C x = startx; while ((startumost[x+windowx1] > startdmost[x+windowx1]) && (x <= x2)) x++; p = x+frameoffset; for(;(x<=x2)&&(p&3);x++,p++) { y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],(void *)(bufplce[0]+waloff[globalpicnum]),(void *)(p+ylookup[y1ve[0]])); } for(;x<=x2-3;x+=4,p+=4) { bad = 0; for(z=3,dax=x+3;z>=0;z--,dax--) { y1ve[z] = max(uwal[dax],startumost[dax+windowx1]-windowy1); y2ve[z] = min(dwal[dax],startdmost[dax+windowx1]-windowy1)-1; if (y2ve[z] < y1ve[z]) { bad += pow2char[z]; continue; } i = lwal[dax] + globalxpanning; if (i >= tsizx) { if (xnice == 0) i %= tsizx; else i &= tsizx; } if (ynice == 0) i *= tsizy; else i <<= tsizy; bufplce[z] = waloff[globalpicnum]+i; vince[z] = swal[dax]*globalyscale; vplce[z] = globalzd + vince[z]*(y1ve[z]-globalhoriz+1); } if (bad == 15) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); palookupoffse[3] = fpalookup+(getpalookup((int)mulscale16(swal[x+3],globvis),globalshade)<<8); if ((palookupoffse[0] == palookupoffse[3]) && ((bad&0x9) == 0)) { palookupoffse[1] = palookupoffse[0]; palookupoffse[2] = palookupoffse[0]; } else { palookupoffse[1] = fpalookup+(getpalookup((int)mulscale16(swal[x+1],globvis),globalshade)<<8); palookupoffse[2] = fpalookup+(getpalookup((int)mulscale16(swal[x+2],globvis),globalshade)<<8); } u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3])); d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3])); if ((bad > 0) || (u4 >= d4)) { if (!(bad&1)) mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+p+0)); if (!(bad&2)) mvlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+p+1)); if (!(bad&4)) mvlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+p+2)); if (!(bad&8)) mvlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+p+3)); continue; } if (u4 > y1ve[0]) vplce[0] = mvlineasm1(vince[0],(void *)palookupoffse[0],u4-y1ve[0]-1,vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+p+0)); if (u4 > y1ve[1]) vplce[1] = mvlineasm1(vince[1],(void *)palookupoffse[1],u4-y1ve[1]-1,vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+p+1)); if (u4 > y1ve[2]) vplce[2] = mvlineasm1(vince[2],(void *)palookupoffse[2],u4-y1ve[2]-1,vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+p+2)); if (u4 > y1ve[3]) vplce[3] = mvlineasm1(vince[3],(void *)palookupoffse[3],u4-y1ve[3]-1,vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+p+3)); if (d4 >= u4) mvlineasm4(d4-u4+1,(void *)(ylookup[u4]+p)); i = p+ylookup[d4+1]; if (y2ve[0] > d4) mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-d4-1,vplce[0],(void *)bufplce[0],(void *)(i+0)); if (y2ve[1] > d4) mvlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-d4-1,vplce[1],(void *)bufplce[1],(void *)(i+1)); if (y2ve[2] > d4) mvlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-d4-1,vplce[2],(void *)bufplce[2],(void *)(i+2)); if (y2ve[3] > d4) mvlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-d4-1,vplce[3],(void *)bufplce[3],(void *)(i+3)); } for(;x<=x2;x++,p++) { y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],(void *)(bufplce[0]+waloff[globalpicnum]),(void *)(p+ylookup[y1ve[0]])); } #else // ENGINE_USING_A_C p = startx+frameoffset; for(x=startx;x<=x2;x++,p++) { y1ve[0] = max(uwal[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwal[x],startdmost[x+windowx1]-windowy1); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],(void *)(bufplce[0]+waloff[globalpicnum]),(void *)(p+ylookup[y1ve[0]])); } #endif faketimerhandler(); } // // wallfront (internal) // int wallfront(int l1, int l2) { walltype *wal; int x11, y11, x21, y21, x12, y12, x22, y22, dx, dy, t1, t2; wal = &wall[thewall[l1]]; x11 = wal->x; y11 = wal->y; wal = &wall[wal->point2]; x21 = wal->x; y21 = wal->y; wal = &wall[thewall[l2]]; x12 = wal->x; y12 = wal->y; wal = &wall[wal->point2]; x22 = wal->x; y22 = wal->y; dx = x21-x11; dy = y21-y11; t1 = dmulscale2(x12-x11,dy,-dx,y12-y11); //p1(l2) vs. l1 t2 = dmulscale2(x22-x11,dy,-dx,y22-y11); //p2(l2) vs. l1 if (t1 == 0) { t1 = t2; if (t1 == 0) return(-1); } if (t2 == 0) t2 = t1; if ((t1^t2) >= 0) { t2 = dmulscale2(globalposx-x11,dy,-dx,globalposy-y11); //pos vs. l1 return((t2^t1) >= 0); } dx = x22-x12; dy = y22-y12; t1 = dmulscale2(x11-x12,dy,-dx,y11-y12); //p1(l1) vs. l2 t2 = dmulscale2(x21-x12,dy,-dx,y21-y12); //p2(l1) vs. l2 if (t1 == 0) { t1 = t2; if (t1 == 0) return(-1); } if (t2 == 0) t2 = t1; if ((t1^t2) >= 0) { t2 = dmulscale2(globalposx-x12,dy,-dx,globalposy-y12); //pos vs. l2 return((t2^t1) < 0); } return(-2); } // // spritewallfront (internal) // static int spritewallfront(spritetype *s, int w) { walltype *wal; int x1, y1; wal = &wall[w]; x1 = wal->x; y1 = wal->y; wal = &wall[wal->point2]; return (dmulscale32(wal->x-x1,s->y-y1,-(s->x-x1),wal->y-y1) >= 0); } // // bunchfront (internal) // static int bunchfront(int b1, int b2) { int x1b1, x2b1, x1b2, x2b2, b1f, b2f, i; b1f = bunchfirst[b1]; x1b1 = xb1[b1f]; x2b2 = xb2[bunchlast[b2]]+1; if (x1b1 >= x2b2) return(-1); b2f = bunchfirst[b2]; x1b2 = xb1[b2f]; x2b1 = xb2[bunchlast[b1]]+1; if (x1b2 >= x2b1) return(-1); if (x1b1 >= x1b2) { for(i=b2f;xb2[i] xr) return; r = horizlookup2[yp-globalhoriz+horizycent]; asm1 = globalx1*r; asm2 = globaly2*r; s = ((int)getpalookup((int)mulscale16(r,globvis),globalshade)<<8); hlineasm4(xr-xl,0L,s,globalx2*r+globalypanning,globaly1*r+globalxpanning, (void *)(ylookup[yp]+xr+frameoffset)); } // // slowhline (internal) // static void slowhline(int xr, int yp) { int xl, r; xl = lastx[yp]; if (xl > xr) return; r = horizlookup2[yp-globalhoriz+horizycent]; asm1 = globalx1*r; asm2 = globaly2*r; asm3 = (intptr_t)globalpalwritten + ((int)getpalookup((int)mulscale16(r,globvis),globalshade)<<8); if (!(globalorientation&256)) { mhline((void *)globalbufplc,globaly1*r+globalxpanning-asm1*(xr-xl),(xr-xl)<<16,0L, globalx2*r+globalypanning-asm2*(xr-xl),(void *)(ylookup[yp]+xl+frameoffset)); return; } thline((void *)globalbufplc,globaly1*r+globalxpanning-asm1*(xr-xl),(xr-xl)<<16,0L, globalx2*r+globalypanning-asm2*(xr-xl),(void *)(ylookup[yp]+xl+frameoffset)); } // // prepwall (internal) // static void prepwall(int z, walltype *wal) { int i, l=0, ol=0, splc, sinc, x, topinc, top, botinc, bot, walxrepeat; walxrepeat = (wal->xrepeat<<3); //lwall calculation i = xb1[z]-halfxdimen; topinc = -(ry1[z]>>2); botinc = ((ry2[z]-ry1[z])>>8); top = mulscale5(rx1[z],xdimen)+mulscale2(topinc,i); bot = mulscale11(rx1[z]-rx2[z],xdimen)+mulscale2(botinc,i); splc = mulscale19(ry1[z],xdimscale); sinc = mulscale16(ry2[z]-ry1[z],xdimscale); x = xb1[z]; if (bot != 0) { l = divscale12(top,bot); swall[x] = mulscale21(l,sinc)+splc; l *= walxrepeat; lwall[x] = (l>>18); } while (x+4 <= xb2[z]) { top += topinc; bot += botinc; if (bot != 0) { ol = l; l = divscale12(top,bot); swall[x+4] = mulscale21(l,sinc)+splc; l *= walxrepeat; lwall[x+4] = (l>>18); } i = ((ol+l)>>1); lwall[x+2] = (i>>18); lwall[x+1] = ((ol+i)>>19); lwall[x+3] = ((l+i)>>19); swall[x+2] = ((swall[x]+swall[x+4])>>1); swall[x+1] = ((swall[x]+swall[x+2])>>1); swall[x+3] = ((swall[x+4]+swall[x+2])>>1); x += 4; } if (x+2 <= xb2[z]) { top += (topinc>>1); bot += (botinc>>1); if (bot != 0) { ol = l; l = divscale12(top,bot); swall[x+2] = mulscale21(l,sinc)+splc; l *= walxrepeat; lwall[x+2] = (l>>18); } lwall[x+1] = ((l+ol)>>19); swall[x+1] = ((swall[x]+swall[x+2])>>1); x += 2; } if (x+1 <= xb2[z]) { bot += (botinc>>2); if (bot != 0) { l = divscale12(top+(topinc>>2),bot); swall[x+1] = mulscale21(l,sinc)+splc; lwall[x+1] = mulscale18(l,walxrepeat); } } if (lwall[xb1[z]] < 0) lwall[xb1[z]] = 0; if ((lwall[xb2[z]] >= walxrepeat) && (walxrepeat)) lwall[xb2[z]] = walxrepeat-1; if (wal->cstat&8) { walxrepeat--; for(x=xb1[z];x<=xb2[z];x++) lwall[x] = walxrepeat-lwall[x]; } } // // animateoffs (internal) // int animateoffs(short tilenum, short fakevar) { int i, k, offs; offs = 0; i = (totalclocklock>>((picanm[tilenum]>>24)&15)); if ((picanm[tilenum]&63) > 0) { switch(picanm[tilenum]&192) { case 64: k = (i%((picanm[tilenum]&63)<<1)); if (k < (picanm[tilenum]&63)) offs = k; else offs = (((picanm[tilenum]&63)<<1)-k); break; case 128: offs = (i%((picanm[tilenum]&63)+1)); break; case 192: offs = -(i%((picanm[tilenum]&63)+1)); } } return(offs); } // // owallmost (internal) // static int owallmost(short *mostbuf, int w, int z) { int bad, inty, xcross, y, yinc; int s1, s2, s3, s4, ix1, ix2, iy1, iy2, t; int i; z <<= 7; s1 = mulscale20(globaluclip,yb1[w]); s2 = mulscale20(globaluclip,yb2[w]); s3 = mulscale20(globaldclip,yb1[w]); s4 = mulscale20(globaldclip,yb2[w]); bad = (zs3)<<2)+((z>s4)<<3); ix1 = xb1[w]; iy1 = yb1[w]; ix2 = xb2[w]; iy2 = yb2[w]; if ((bad&3) == 3) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),0L); for (i=ix1; i<=ix2; i++) mostbuf[i] = 0; return(bad); } if ((bad&12) == 12) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=ix1; i<=ix2; i++) mostbuf[i] = ydimen; return(bad); } if (bad&3) { t = divscale30(z-s1,s2-s1); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); if ((bad&3) == 2) { if (xb1[w] <= xcross) { iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),0L); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = 0; } else { if (xcross <= xb2[w]) { iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),0L); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = 0; } } if (bad&12) { t = divscale30(z-s3,s4-s3); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); if ((bad&12) == 8) { if (xb1[w] <= xcross) { iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = ydimen; } else { if (xcross <= xb2[w]) { iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = ydimen; } } y = (scale(z,xdimenscale,iy1)<<4); yinc = ((scale(z,xdimenscale,iy2)<<4)-y) / (ix2-ix1+1); qinterpolatedown16short(&mostbuf[ix1],ix2-ix1+1,y+(globalhoriz<<16),yinc); if (mostbuf[ix1] < 0) mostbuf[ix1] = 0; if (mostbuf[ix1] > ydimen) mostbuf[ix1] = ydimen; if (mostbuf[ix2] < 0) mostbuf[ix2] = 0; if (mostbuf[ix2] > ydimen) mostbuf[ix2] = ydimen; return(bad); } // // wallmost (internal) // int wallmost(short *mostbuf, int w, int sectnum, unsigned char dastat) { int bad, i, j, t, y, z, inty, intz, xcross, yinc, fw; int x1, y1, z1, x2, y2, z2, xv, yv, dx, dy, dasqr, oz1, oz2; int s1, s2, s3, s4, ix1, ix2, iy1, iy2; if (dastat == 0) { z = sector[sectnum].ceilingz-globalposz; if ((sector[sectnum].ceilingstat&2) == 0) return(owallmost(mostbuf,w,z)); } else { z = sector[sectnum].floorz-globalposz; if ((sector[sectnum].floorstat&2) == 0) return(owallmost(mostbuf,w,z)); } i = thewall[w]; if (i == sector[sectnum].wallptr) return(owallmost(mostbuf,w,z)); x1 = wall[i].x; x2 = wall[wall[i].point2].x-x1; y1 = wall[i].y; y2 = wall[wall[i].point2].y-y1; fw = sector[sectnum].wallptr; i = wall[fw].point2; dx = wall[i].x-wall[fw].x; dy = wall[i].y-wall[fw].y; dasqr = krecipasm(nsqrtasm(dx*dx+dy*dy)); if (xb1[w] == 0) { xv = cosglobalang+sinviewingrangeglobalang; yv = singlobalang-cosviewingrangeglobalang; } else { xv = x1-globalposx; yv = y1-globalposy; } i = xv*(y1-globalposy)-yv*(x1-globalposx); j = yv*x2-xv*y2; if (klabs(j) > klabs(i>>3)) i = divscale28(i,j); if (dastat == 0) { t = mulscale15(sector[sectnum].ceilingheinum,dasqr); z1 = sector[sectnum].ceilingz; } else { t = mulscale15(sector[sectnum].floorheinum,dasqr); z1 = sector[sectnum].floorz; } z1 = dmulscale24(dx*t,mulscale20(y2,i)+((y1-wall[fw].y)<<8), -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z1-globalposz)<<7); if (xb2[w] == xdimen-1) { xv = cosglobalang-sinviewingrangeglobalang; yv = singlobalang+cosviewingrangeglobalang; } else { xv = (x2+x1)-globalposx; yv = (y2+y1)-globalposy; } i = xv*(y1-globalposy)-yv*(x1-globalposx); j = yv*x2-xv*y2; if (klabs(j) > klabs(i>>3)) i = divscale28(i,j); if (dastat == 0) { t = mulscale15(sector[sectnum].ceilingheinum,dasqr); z2 = sector[sectnum].ceilingz; } else { t = mulscale15(sector[sectnum].floorheinum,dasqr); z2 = sector[sectnum].floorz; } z2 = dmulscale24(dx*t,mulscale20(y2,i)+((y1-wall[fw].y)<<8), -dy*t,mulscale20(x2,i)+((x1-wall[fw].x)<<8))+((z2-globalposz)<<7); s1 = mulscale20(globaluclip,yb1[w]); s2 = mulscale20(globaluclip,yb2[w]); s3 = mulscale20(globaldclip,yb1[w]); s4 = mulscale20(globaldclip,yb2[w]); bad = (z1s3)<<2)+((z2>s4)<<3); ix1 = xb1[w]; ix2 = xb2[w]; iy1 = yb1[w]; iy2 = yb2[w]; oz1 = z1; oz2 = z2; if ((bad&3) == 3) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),0L); for (i=ix1; i<=ix2; i++) mostbuf[i] = 0; return(bad); } if ((bad&12) == 12) { //clearbufbyte(&mostbuf[ix1],(ix2-ix1+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=ix1; i<=ix2; i++) mostbuf[i] = ydimen; return(bad); } if (bad&3) { //inty = intz / (globaluclip>>16) t = divscale30(oz1-s1,s2-s1+oz1-oz2); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); intz = oz1 + mulscale30(oz2-oz1,t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); //t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4)); //inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); //intz = z1 + mulscale30(z2-z1,t); if ((bad&3) == 2) { if (xb1[w] <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),0L); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = 0; } else { if (xcross <= xb2[w]) { z1 = intz; iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),0L); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = 0; } } if (bad&12) { //inty = intz / (globaldclip>>16) t = divscale30(oz1-s3,s4-s3+oz1-oz2); inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); intz = oz1 + mulscale30(oz2-oz1,t); xcross = xb1[w] + scale(mulscale30(yb2[w],t),xb2[w]-xb1[w],inty); //t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4)); //inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t); //intz = z1 + mulscale30(z2-z1,t); if ((bad&12) == 8) { if (xb1[w] <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; } //clearbufbyte(&mostbuf[xcross+1],(xb2[w]-xcross)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xcross+1; i<=xb2[w]; i++) mostbuf[i] = ydimen; } else { if (xcross <= xb2[w]) { z1 = intz; iy1 = inty; ix1 = xcross; } //clearbufbyte(&mostbuf[xb1[w]],(xcross-xb1[w]+1)*sizeof(mostbuf[0]),ydimen+(ydimen<<16)); for (i=xb1[w]; i<=xcross; i++) mostbuf[i] = ydimen; } } y = (scale(z1,xdimenscale,iy1)<<4); yinc = ((scale(z2,xdimenscale,iy2)<<4)-y) / (ix2-ix1+1); qinterpolatedown16short(&mostbuf[ix1],ix2-ix1+1,y+(globalhoriz<<16),yinc); if (mostbuf[ix1] < 0) mostbuf[ix1] = 0; if (mostbuf[ix1] > ydimen) mostbuf[ix1] = ydimen; if (mostbuf[ix2] < 0) mostbuf[ix2] = 0; if (mostbuf[ix2] > ydimen) mostbuf[ix2] = ydimen; return(bad); } // // ceilscan (internal) // static void ceilscan(int x1, int x2, int sectnum) { int i, j, ox, oy, x, y1, y2, twall, bwall; sectortype *sec; sec = §or[sectnum]; if (palookup[sec->ceilingpal] != globalpalwritten) { globalpalwritten = palookup[sec->ceilingpal]; if (!globalpalwritten) globalpalwritten = palookup[globalpal]; // JBF: fixes null-pointer crash setpalookupaddress(globalpalwritten); } globalzd = sec->ceilingz-globalposz; if (globalzd > 0) return; globalpicnum = sec->ceilingpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,(short)sectnum); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; globalshade = (int)sec->ceilingshade; globvis = globalcisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalorientation = (int)sec->ceilingstat; if ((globalorientation&64) == 0) { globalx1 = singlobalang; globalx2 = singlobalang; globaly1 = cosglobalang; globaly2 = cosglobalang; globalxpanning = (globalposx<<20); globalypanning = -(globalposy<<20); } else { j = sec->wallptr; ox = wall[wall[j].point2].x - wall[j].x; oy = wall[wall[j].point2].y - wall[j].y; i = nsqrtasm(ox*ox+oy*oy); if (i == 0) i = 1024; else i = 1048576/i; globalx1 = mulscale10(dmulscale10(ox,singlobalang,-oy,cosglobalang),i); globaly1 = mulscale10(dmulscale10(ox,cosglobalang,oy,singlobalang),i); globalx2 = -globalx1; globaly2 = -globaly1; ox = ((wall[j].x-globalposx)<<6); oy = ((wall[j].y-globalposy)<<6); i = dmulscale14(oy,cosglobalang,-ox,singlobalang); j = dmulscale14(ox,cosglobalang,oy,singlobalang); ox = i; oy = j; globalxpanning = globalx1*ox - globaly1*oy; globalypanning = globaly2*ox + globalx2*oy; } globalx2 = mulscale16(globalx2,viewingrangerecip); globaly1 = mulscale16(globaly1,viewingrangerecip); globalxshift = (8-(picsiz[globalpicnum]&15)); globalyshift = (8-(picsiz[globalpicnum]>>4)); if (globalorientation&8) { globalxshift++; globalyshift++; } if ((globalorientation&0x4) > 0) { i = globalxpanning; globalxpanning = globalypanning; globalypanning = i; i = globalx2; globalx2 = -globaly1; globaly1 = -i; i = globalx1; globalx1 = globaly2; globaly2 = i; } if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalxpanning = -globalxpanning; if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalypanning = -globalypanning; globalx1 <<= globalxshift; globaly1 <<= globalxshift; globalx2 <<= globalyshift; globaly2 <<= globalyshift; globalxpanning <<= globalxshift; globalypanning <<= globalyshift; globalxpanning += (((int)sec->ceilingxpanning)<<24); globalypanning += (((int)sec->ceilingypanning)<<24); globaly1 = (-globalx1-globaly1)*halfxdimen; globalx2 = (globalx2-globaly2)*halfxdimen; sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,(void *)globalbufplc); globalx2 += globaly2*(x1-1); globaly1 += globalx1*(x1-1); globalx1 = mulscale16(globalx1,globalzd); globalx2 = mulscale16(globalx2,globalzd); globaly1 = mulscale16(globaly1,globalzd); globaly2 = mulscale16(globaly2,globalzd); globvis = klabs(mulscale10(globvis,globalzd)); if (!(globalorientation&0x180)) { y1 = umost[x1]; y2 = y1; for(x=x1;x<=x2;x++) { twall = umost[x]-1; bwall = min(uplc[x],dmost[x]); if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) hline(x-1,++y1); y1 = twall; } else { while (y1 < twall) hline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) hline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) hline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = umost[x+1]; y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) hline(x2,++y1); faketimerhandler(); return; } switch(globalorientation&0x180) { case 128: msethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 256: settransnormal(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 384: settransreverse(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; } y1 = umost[x1]; y2 = y1; for(x=x1;x<=x2;x++) { twall = umost[x]-1; bwall = min(uplc[x],dmost[x]); if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) slowhline(x-1,++y1); y1 = twall; } else { while (y1 < twall) slowhline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) slowhline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) slowhline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = umost[x+1]; y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) slowhline(x2,++y1); faketimerhandler(); } // // florscan (internal) // static void florscan(int x1, int x2, int sectnum) { int i, j, ox, oy, x, y1, y2, twall, bwall; sectortype *sec; sec = §or[sectnum]; if (palookup[sec->floorpal] != globalpalwritten) { globalpalwritten = palookup[sec->floorpal]; if (!globalpalwritten) globalpalwritten = palookup[globalpal]; // JBF: fixes null-pointer crash setpalookupaddress(globalpalwritten); } globalzd = globalposz-sec->floorz; if (globalzd > 0) return; globalpicnum = sec->floorpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,(short)sectnum); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; globalshade = (int)sec->floorshade; globvis = globalcisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalorientation = (int)sec->floorstat; if ((globalorientation&64) == 0) { globalx1 = singlobalang; globalx2 = singlobalang; globaly1 = cosglobalang; globaly2 = cosglobalang; globalxpanning = (globalposx<<20); globalypanning = -(globalposy<<20); } else { j = sec->wallptr; ox = wall[wall[j].point2].x - wall[j].x; oy = wall[wall[j].point2].y - wall[j].y; i = nsqrtasm(ox*ox+oy*oy); if (i == 0) i = 1024; else i = 1048576/i; globalx1 = mulscale10(dmulscale10(ox,singlobalang,-oy,cosglobalang),i); globaly1 = mulscale10(dmulscale10(ox,cosglobalang,oy,singlobalang),i); globalx2 = -globalx1; globaly2 = -globaly1; ox = ((wall[j].x-globalposx)<<6); oy = ((wall[j].y-globalposy)<<6); i = dmulscale14(oy,cosglobalang,-ox,singlobalang); j = dmulscale14(ox,cosglobalang,oy,singlobalang); ox = i; oy = j; globalxpanning = globalx1*ox - globaly1*oy; globalypanning = globaly2*ox + globalx2*oy; } globalx2 = mulscale16(globalx2,viewingrangerecip); globaly1 = mulscale16(globaly1,viewingrangerecip); globalxshift = (8-(picsiz[globalpicnum]&15)); globalyshift = (8-(picsiz[globalpicnum]>>4)); if (globalorientation&8) { globalxshift++; globalyshift++; } if ((globalorientation&0x4) > 0) { i = globalxpanning; globalxpanning = globalypanning; globalypanning = i; i = globalx2; globalx2 = -globaly1; globaly1 = -i; i = globalx1; globalx1 = globaly2; globaly2 = i; } if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalxpanning = -globalxpanning; if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalypanning = -globalypanning; globalx1 <<= globalxshift; globaly1 <<= globalxshift; globalx2 <<= globalyshift; globaly2 <<= globalyshift; globalxpanning <<= globalxshift; globalypanning <<= globalyshift; globalxpanning += (((int)sec->floorxpanning)<<24); globalypanning += (((int)sec->floorypanning)<<24); globaly1 = (-globalx1-globaly1)*halfxdimen; globalx2 = (globalx2-globaly2)*halfxdimen; sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,(void *)globalbufplc); globalx2 += globaly2*(x1-1); globaly1 += globalx1*(x1-1); globalx1 = mulscale16(globalx1,globalzd); globalx2 = mulscale16(globalx2,globalzd); globaly1 = mulscale16(globaly1,globalzd); globaly2 = mulscale16(globaly2,globalzd); globvis = klabs(mulscale10(globvis,globalzd)); if (!(globalorientation&0x180)) { y1 = max(dplc[x1],umost[x1]); y2 = y1; for(x=x1;x<=x2;x++) { twall = max(dplc[x],umost[x])-1; bwall = dmost[x]; if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) hline(x-1,++y1); y1 = twall; } else { while (y1 < twall) hline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) hline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) hline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = max(dplc[x+1],umost[x+1]); y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) hline(x2,++y1); faketimerhandler(); return; } switch(globalorientation&0x180) { case 128: msethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 256: settransnormal(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; case 384: settransreverse(); tsethlineshift(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4); break; } y1 = max(dplc[x1],umost[x1]); y2 = y1; for(x=x1;x<=x2;x++) { twall = max(dplc[x],umost[x])-1; bwall = dmost[x]; if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) slowhline(x-1,++y1); y1 = twall; } else { while (y1 < twall) slowhline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) slowhline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) slowhline(x-1,++y1); if (x == x2) { globalx2 += globaly2; globaly1 += globalx1; break; } y1 = max(dplc[x+1],umost[x+1]); y2 = y1; } globalx2 += globaly2; globaly1 += globalx1; } while (y1 < y2-1) slowhline(x2,++y1); faketimerhandler(); } // // wallscan (internal) // static void wallscan(int x1, int x2, short *uwal, short *dwal, int *swal, int *lwal) { int x, xnice, ynice; intptr_t i, fpalookup; int y1ve[4], y2ve[4], u4, d4, z, tsizx, tsizy; char bad; if (x2 >= xdim) x2 = xdim-1; tsizx = tilesizx[globalpicnum]; tsizy = tilesizy[globalpicnum]; setgotpic(globalpicnum); if ((tsizx <= 0) || (tsizy <= 0)) return; if ((uwal[x1] > ydimen) && (uwal[x2] > ydimen)) return; if ((dwal[x1] < 0) && (dwal[x2] < 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); xnice = (pow2long[picsiz[globalpicnum]&15] == tsizx); if (xnice) tsizx--; ynice = (pow2long[picsiz[globalpicnum]>>4] == tsizy); if (ynice) tsizy = (picsiz[globalpicnum]>>4); fpalookup = (intptr_t)palookup[globalpal]; setupvlineasm(globalshiftval); #ifndef ENGINE_USING_A_C x = x1; while ((umost[x] > dmost[x]) && (x <= x2)) x++; for(;(x<=x2)&&((x+frameoffset)&3);x++) { y1ve[0] = max(uwal[x],umost[x]); y2ve[0] = min(dwal[x],dmost[x]); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],(void *)(bufplce[0]+waloff[globalpicnum]),(void *)(x+frameoffset+ylookup[y1ve[0]])); } for(;x<=x2-3;x+=4) { bad = 0; for(z=3;z>=0;z--) { y1ve[z] = max(uwal[x+z],umost[x+z]); y2ve[z] = min(dwal[x+z],dmost[x+z])-1; if (y2ve[z] < y1ve[z]) { bad += pow2char[z]; continue; } i = lwal[x+z] + globalxpanning; if (i >= tsizx) { if (xnice == 0) i %= tsizx; else i &= tsizx; } if (ynice == 0) i *= tsizy; else i <<= tsizy; bufplce[z] = waloff[globalpicnum]+i; vince[z] = swal[x+z]*globalyscale; vplce[z] = globalzd + vince[z]*(y1ve[z]-globalhoriz+1); } if (bad == 15) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); palookupoffse[3] = fpalookup+(getpalookup((int)mulscale16(swal[x+3],globvis),globalshade)<<8); if ((palookupoffse[0] == palookupoffse[3]) && ((bad&0x9) == 0)) { palookupoffse[1] = palookupoffse[0]; palookupoffse[2] = palookupoffse[0]; } else { palookupoffse[1] = fpalookup+(getpalookup((int)mulscale16(swal[x+1],globvis),globalshade)<<8); palookupoffse[2] = fpalookup+(getpalookup((int)mulscale16(swal[x+2],globvis),globalshade)<<8); } u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3])); d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3])); if ((bad != 0) || (u4 >= d4)) { if (!(bad&1)) prevlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+x+frameoffset+0)); if (!(bad&2)) prevlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+x+frameoffset+1)); if (!(bad&4)) prevlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+x+frameoffset+2)); if (!(bad&8)) prevlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+x+frameoffset+3)); continue; } if (u4 > y1ve[0]) vplce[0] = prevlineasm1(vince[0],(void *)palookupoffse[0],u4-y1ve[0]-1,vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+x+frameoffset+0)); if (u4 > y1ve[1]) vplce[1] = prevlineasm1(vince[1],(void *)palookupoffse[1],u4-y1ve[1]-1,vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+x+frameoffset+1)); if (u4 > y1ve[2]) vplce[2] = prevlineasm1(vince[2],(void *)palookupoffse[2],u4-y1ve[2]-1,vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+x+frameoffset+2)); if (u4 > y1ve[3]) vplce[3] = prevlineasm1(vince[3],(void *)palookupoffse[3],u4-y1ve[3]-1,vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+x+frameoffset+3)); if (d4 >= u4) vlineasm4(d4-u4+1,(void *)(ylookup[u4]+x+frameoffset)); i = x+frameoffset+ylookup[d4+1]; if (y2ve[0] > d4) prevlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-d4-1,vplce[0],(void *)bufplce[0],(void *)(i+0)); if (y2ve[1] > d4) prevlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-d4-1,vplce[1],(void *)bufplce[1],(void *)(i+1)); if (y2ve[2] > d4) prevlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-d4-1,vplce[2],(void *)bufplce[2],(void *)(i+2)); if (y2ve[3] > d4) prevlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-d4-1,vplce[3],(void *)bufplce[3],(void *)(i+3)); } for(;x<=x2;x++) { y1ve[0] = max(uwal[x],umost[x]); y2ve[0] = min(dwal[x],dmost[x]); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],(void *)(bufplce[0]+waloff[globalpicnum]),(void *)(x+frameoffset+ylookup[y1ve[0]])); } #else // ENGINE_USING_A_C for(x=x1;x<=x2;x++) { y1ve[0] = max(uwal[x],umost[x]); y2ve[0] = min(dwal[x],dmost[x]); if (y2ve[0] <= y1ve[0]) continue; palookupoffse[0] = fpalookup+(getpalookup((int)mulscale16(swal[x],globvis),globalshade)<<8); bufplce[0] = lwal[x] + globalxpanning; if (bufplce[0] >= tsizx) { if (xnice == 0) bufplce[0] %= tsizx; else bufplce[0] &= tsizx; } if (ynice == 0) bufplce[0] *= tsizy; else bufplce[0] <<= tsizy; vince[0] = swal[x]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0]-1,vplce[0],(void *)(bufplce[0]+waloff[globalpicnum]),(void *)(x+frameoffset+ylookup[y1ve[0]])); } #endif faketimerhandler(); } // // transmaskvline (internal) // static void transmaskvline(int x) { int vplc, vinc, i; intptr_t p, palookupoffs, bufplc; short y1v, y2v; if ((x < 0) || (x >= xdimen)) return; y1v = max(uwall[x],startumost[x+windowx1]-windowy1); y2v = min(dwall[x],startdmost[x+windowx1]-windowy1); y2v--; if (y2v < y1v) return; palookupoffs = (intptr_t)palookup[globalpal] + (getpalookup((int)mulscale16(swall[x],globvis),globalshade)<<8); vinc = swall[x]*globalyscale; vplc = globalzd + vinc*(y1v-globalhoriz+1); i = lwall[x]+globalxpanning; if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum]; bufplc = waloff[globalpicnum]+i*tilesizy[globalpicnum]; p = ylookup[y1v]+x+frameoffset; tvlineasm1(vinc,(void *)palookupoffs,y2v-y1v,vplc,(void *)bufplc,(void *)p); } // // transmaskvline2 (internal) // #ifndef ENGINE_USING_A_C static void transmaskvline2(int x) { intptr_t i; int y1, y2, x2; short y1ve[2], y2ve[2]; if ((x < 0) || (x >= xdimen)) return; if (x == xdimen-1) { transmaskvline(x); return; } x2 = x+1; y1ve[0] = max(uwall[x],startumost[x+windowx1]-windowy1); y2ve[0] = min(dwall[x],startdmost[x+windowx1]-windowy1)-1; if (y2ve[0] < y1ve[0]) { transmaskvline(x2); return; } y1ve[1] = max(uwall[x2],startumost[x2+windowx1]-windowy1); y2ve[1] = min(dwall[x2],startdmost[x2+windowx1]-windowy1)-1; if (y2ve[1] < y1ve[1]) { transmaskvline(x); return; } palookupoffse[0] = (intptr_t)palookup[globalpal] + (getpalookup((int)mulscale16(swall[x],globvis),globalshade)<<8); palookupoffse[1] = (intptr_t)palookup[globalpal] + (getpalookup((int)mulscale16(swall[x2],globvis),globalshade)<<8); setuptvlineasm2(globalshiftval,(void *)palookupoffse[0],(void *)palookupoffse[1]); vince[0] = swall[x]*globalyscale; vince[1] = swall[x2]*globalyscale; vplce[0] = globalzd + vince[0]*(y1ve[0]-globalhoriz+1); vplce[1] = globalzd + vince[1]*(y1ve[1]-globalhoriz+1); i = lwall[x] + globalxpanning; if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum]; bufplce[0] = waloff[globalpicnum]+i*tilesizy[globalpicnum]; i = lwall[x2] + globalxpanning; if (i >= tilesizx[globalpicnum]) i %= tilesizx[globalpicnum]; bufplce[1] = waloff[globalpicnum]+i*tilesizy[globalpicnum]; y1 = max(y1ve[0],y1ve[1]); y2 = min(y2ve[0],y2ve[1]); i = x+frameoffset; if (y1ve[0] != y1ve[1]) { if (y1ve[0] < y1) vplce[0] = tvlineasm1(vince[0],(void *)palookupoffse[0],y1-y1ve[0]-1,vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+i)); else vplce[1] = tvlineasm1(vince[1],(void *)palookupoffse[1],y1-y1ve[1]-1,vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+i+1)); } if (y2 > y1) { asm1 = vince[1]; asm2 = ylookup[y2]+i+1; tvlineasm2(vplce[1],vince[0],(void *)bufplce[0],(void *)bufplce[1],vplce[0],(void *)(ylookup[y1]+i)); } else { asm1 = vplce[0]; asm2 = vplce[1]; } if (y2ve[0] > y2ve[1]) tvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y2-1,asm1,(void *)bufplce[0],(void *)(ylookup[y2+1]+i)); else if (y2ve[0] < y2ve[1]) tvlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-y2-1,asm2,(void *)bufplce[1],(void *)(ylookup[y2+1]+i+1)); faketimerhandler(); } #endif // // transmaskwallscan (internal) // static void transmaskwallscan(int x1, int x2) { int x; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); setuptvlineasm(globalshiftval); x = x1; while ((startumost[x+windowx1] > startdmost[x+windowx1]) && (x <= x2)) x++; #ifndef ENGINE_USING_A_C if ((x <= x2) && (x&1)) transmaskvline(x), x++; while (x < x2) transmaskvline2(x), x += 2; #endif while (x <= x2) transmaskvline(x), x++; faketimerhandler(); } // // ceilspritehline (internal) // static void ceilspritehline(int x2, int y) { int x1, v, bx, by; //x = x1 + (x2-x1)t + (y1-y2)u ~ x = 160v //y = y1 + (y2-y1)t + (x2-x1)u ~ y = (scrx-160)v //z = z1 = z2 ~ z = posz + (scry-horiz)v x1 = lastx[y]; if (x2 < x1) return; v = mulscale20(globalzd,horizlookup[y-globalhoriz+horizycent]); bx = mulscale14(globalx2*x1+globalx1,v) + globalxpanning; by = mulscale14(globaly2*x1+globaly1,v) + globalypanning; asm1 = mulscale14(globalx2,v); asm2 = mulscale14(globaly2,v); asm3 = (intptr_t)palookup[globalpal] + (getpalookup((int)mulscale28(klabs(v),globvis),globalshade)<<8); if ((globalorientation&2) == 0) mhline((void *)globalbufplc,bx,(x2-x1)<<16,0L,by,(void *)(ylookup[y]+x1+frameoffset)); else { thline((void *)globalbufplc,bx,(x2-x1)<<16,0L,by,(void *)(ylookup[y]+x1+frameoffset)); } } // // ceilspritescan (internal) // static void ceilspritescan(int x1, int x2) { int x, y1, y2, twall, bwall; y1 = uwall[x1]; y2 = y1; for(x=x1;x<=x2;x++) { twall = uwall[x]-1; bwall = dwall[x]; if (twall < bwall-1) { if (twall >= y2) { while (y1 < y2-1) ceilspritehline(x-1,++y1); y1 = twall; } else { while (y1 < twall) ceilspritehline(x-1,++y1); while (y1 > twall) lastx[y1--] = x; } while (y2 > bwall) ceilspritehline(x-1,--y2); while (y2 < bwall) lastx[y2++] = x; } else { while (y1 < y2-1) ceilspritehline(x-1,++y1); if (x == x2) break; y1 = uwall[x+1]; y2 = y1; } } while (y1 < y2-1) ceilspritehline(x2,++y1); faketimerhandler(); } // // grouscan (internal) // #define BITSOFPRECISION 3 //Don't forget to change this in A.ASM also! static void grouscan(int dax1, int dax2, int sectnum, unsigned char dastat) { int i, j, l, x, y, dx, dy, wx, wy, y1, y2, daz; int daslope, dasqr; int shoffs, shinc, m1, m2; intptr_t *mptr1, *mptr2, *nptr1, *nptr2; walltype *wal; sectortype *sec; sec = §or[sectnum]; if (dastat == 0) { if (globalposz <= getceilzofslope(sectnum,globalposx,globalposy)) return; //Back-face culling globalorientation = sec->ceilingstat; globalpicnum = sec->ceilingpicnum; globalshade = sec->ceilingshade; globalpal = sec->ceilingpal; daslope = sec->ceilingheinum; daz = sec->ceilingz; } else { if (globalposz >= getflorzofslope(sectnum,globalposx,globalposy)) return; //Back-face culling globalorientation = sec->floorstat; globalpicnum = sec->floorpicnum; globalshade = sec->floorshade; globalpal = sec->floorpal; daslope = sec->floorheinum; daz = sec->floorz; } if (palookup[globalpal] == 0) globalpal = 0; if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs(globalpicnum,sectnum); setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) return; if (waloff[globalpicnum] == 0) loadtile(globalpicnum); wal = &wall[sec->wallptr]; wx = wall[wal->point2].x - wal->x; wy = wall[wal->point2].y - wal->y; dasqr = krecipasm(nsqrtasm(wx*wx+wy*wy)); i = mulscale21(daslope,dasqr); wx *= i; wy *= i; globalx = -mulscale19(singlobalang,xdimenrecip); globaly = mulscale19(cosglobalang,xdimenrecip); globalx1 = (globalposx<<8); globaly1 = -(globalposy<<8); i = (dax1-halfxdimen)*xdimenrecip; globalx2 = mulscale16(cosglobalang<<4,viewingrangerecip) - mulscale27(singlobalang,i); globaly2 = mulscale16(singlobalang<<4,viewingrangerecip) + mulscale27(cosglobalang,i); globalzd = (xdimscale<<9); globalzx = -dmulscale17(wx,globaly2,-wy,globalx2) + mulscale10(1-globalhoriz,globalzd); globalz = -dmulscale25(wx,globaly,-wy,globalx); if (globalorientation&64) //Relative alignment { dx = mulscale14(wall[wal->point2].x-wal->x,dasqr); dy = mulscale14(wall[wal->point2].y-wal->y,dasqr); i = nsqrtasm(daslope*daslope+16777216); x = globalx; y = globaly; globalx = dmulscale16(x,dx,y,dy); globaly = mulscale12(dmulscale16(-y,dx,x,dy),i); x = ((wal->x-globalposx)<<8); y = ((wal->y-globalposy)<<8); globalx1 = dmulscale16(-x,dx,-y,dy); globaly1 = mulscale12(dmulscale16(-y,dx,x,dy),i); x = globalx2; y = globaly2; globalx2 = dmulscale16(x,dx,y,dy); globaly2 = mulscale12(dmulscale16(-y,dx,x,dy),i); } if (globalorientation&0x4) { i = globalx; globalx = -globaly; globaly = -i; i = globalx1; globalx1 = globaly1; globaly1 = i; i = globalx2; globalx2 = -globaly2; globaly2 = -i; } if (globalorientation&0x10) { globalx1 = -globalx1, globalx2 = -globalx2, globalx = -globalx; } if (globalorientation&0x20) { globaly1 = -globaly1, globaly2 = -globaly2, globaly = -globaly; } daz = dmulscale9(wx,globalposy-wal->y,-wy,globalposx-wal->x) + ((daz-globalposz)<<8); globalx2 = mulscale20(globalx2,daz); globalx = mulscale28(globalx,daz); globaly2 = mulscale20(globaly2,-daz); globaly = mulscale28(globaly,-daz); i = 8-(picsiz[globalpicnum]&15); j = 8-(picsiz[globalpicnum]>>4); if (globalorientation&8) { i++; j++; } globalx1 <<= (i+12); globalx2 <<= i; globalx <<= i; globaly1 <<= (j+12); globaly2 <<= j; globaly <<= j; if (dastat == 0) { globalx1 += (((int)sec->ceilingxpanning)<<24); globaly1 += (((int)sec->ceilingypanning)<<24); } else { globalx1 += (((int)sec->floorxpanning)<<24); globaly1 += (((int)sec->floorypanning)<<24); } asm1 = -(globalzd>>(16-BITSOFPRECISION)); globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globvis = mulscale13(globvis,daz); globvis = mulscale16(globvis,xdimscale); setupslopevlin(((int)(picsiz[globalpicnum]&15))+(((int)(picsiz[globalpicnum]>>4))<<8),(void *)waloff[globalpicnum],-ylookup[1]); l = (globalzd>>16); assert(SLOPALOOKUPSIZ - 4 - ydimen > 0); shinc = mulscale16(globalz,xdimenscale); if (shinc > 0) shoffs = (4<<15); else shoffs = ((SLOPALOOKUPSIZ-4-ydimen)<<15); if (dastat == 0) y1 = umost[dax1]; else y1 = max(umost[dax1],dplc[dax1]); m1 = mulscale16(y1,globalzd) + (globalzx>>6); //Avoid visibility overflow by crossing horizon if (globalzd > 0) m1 += (globalzd>>16); else m1 -= (globalzd>>16); m2 = m1+l; mptr1 = &slopalookup[y1+(shoffs>>15)]; mptr2 = mptr1+1; assert(y1+(shoffs>>15) >= 0); assert(y1+(shoffs>>15) <= SLOPALOOKUPSIZ-2); for(x=dax1;x<=dax2;x++) { if (dastat == 0) { y1 = umost[x]; y2 = min(dmost[x],uplc[x])-1; } else { y1 = max(umost[x],dplc[x]); y2 = dmost[x]-1; } if (y1 <= y2) { assert(y1+(shoffs>>15) >= 0); assert(y1+(shoffs>>15) <= SLOPALOOKUPSIZ-1); assert(y2+(shoffs>>15) >= 0); assert(y2+(shoffs>>15) <= SLOPALOOKUPSIZ-1); nptr1 = &slopalookup[y1+(shoffs>>15)]; nptr2 = &slopalookup[y2+(shoffs>>15)]; while (nptr1 <= mptr1) { *mptr1-- = (intptr_t)palookup[globalpal] + (getpalookup((int)mulscale24(krecipasm(m1),globvis),globalshade)<<8); m1 -= l; } while (nptr2 >= mptr2) { *mptr2++ = (intptr_t)palookup[globalpal] + (getpalookup((int)mulscale24(krecipasm(m2),globvis),globalshade)<<8); m2 += l; } globalx3 = (globalx2>>10); globaly3 = (globaly2>>10); asm3 = mulscale16(y2,globalzd) + (globalzx>>6); slopevlin((void *)(ylookup[y2]+x+frameoffset),krecipasm(asm3>>3),nptr2,y2-y1+1,globalx1,globaly1); if ((x&15) == 0) faketimerhandler(); } globalx2 += globalx; globaly2 += globaly; globalzx += globalz; shoffs += shinc; } } // // parascan (internal) // static void parascan(int dax1, int dax2, int sectnum, unsigned char dastat, int bunch) { sectortype *sec; int j, k, l, m, n, x, z, wallnum, nextsectnum, globalhorizbak; short *topptr, *botptr; sectnum = thesector[bunchfirst[bunch]]; sec = §or[sectnum]; globalhorizbak = globalhoriz; if (parallaxyscale != 65536) globalhoriz = mulscale16(globalhoriz-(ydimen>>1),parallaxyscale) + (ydimen>>1); globvis = globalpisibility; //globalorientation = 0L; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); if (dastat == 0) { globalpal = sec->ceilingpal; globalpicnum = sec->ceilingpicnum; globalshade = (int)sec->ceilingshade; globalxpanning = (int)sec->ceilingxpanning; globalypanning = (int)sec->ceilingypanning; topptr = umost; botptr = uplc; } else { globalpal = sec->floorpal; globalpicnum = sec->floorpicnum; globalshade = (int)sec->floorshade; globalxpanning = (int)sec->floorxpanning; globalypanning = (int)sec->floorypanning; topptr = dplc; botptr = dmost; } if (palookup[globalpal] == 0) globalpal = 0; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)sectnum); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalzd = (((tilesizy[globalpicnum]>>1)+parallaxyoffs)<=0;z=p2[z]) { wallnum = thewall[z]; nextsectnum = wall[wallnum].nextsector; if (dastat == 0) j = sector[nextsectnum].ceilingstat; else j = sector[nextsectnum].floorstat; if ((nextsectnum < 0) || (wall[wallnum].cstat&32) || ((j&1) == 0)) { if (x == -1) x = xb1[z]; if (parallaxtype == 0) { n = mulscale16(xdimenrecip,viewingrange); for(j=xb1[z];j<=xb2[z];j++) lplc[j] = (((mulscale23(j-halfxdimen,n)+globalang)&2047)>>k); } else { for(j=xb1[z];j<=xb2[z];j++) lplc[j] = ((((int)radarang2[j]+globalang)&2047)>>k); } if (parallaxtype == 2) { n = mulscale16(xdimscale,viewingrange); for(j=xb1[z];j<=xb2[z];j++) swplc[j] = mulscale14(sintable[((int)radarang2[j]+512)&2047],n); } else clearbuf(&swplc[xb1[z]],xb2[z]-xb1[z]+1,mulscale16(xdimscale,viewingrange)); } else if (x >= 0) { l = globalpicnum; m = (picsiz[globalpicnum]&15); globalpicnum = l+pskyoff[lplc[x]>>m]; if (((lplc[x]^lplc[xb1[z]-1])>>m) == 0) wallscan(x,xb1[z]-1,topptr,botptr,swplc,lplc); else { j = x; while (x < xb1[z]) { n = l+pskyoff[lplc[x]>>m]; if (n != globalpicnum) { wallscan(j,x-1,topptr,botptr,swplc,lplc); j = x; globalpicnum = n; } x++; } if (j < x) wallscan(j,x-1,topptr,botptr,swplc,lplc); } globalpicnum = l; x = -1; } } if (x >= 0) { l = globalpicnum; m = (picsiz[globalpicnum]&15); globalpicnum = l+pskyoff[lplc[x]>>m]; if (((lplc[x]^lplc[xb2[bunchlast[bunch]]])>>m) == 0) wallscan(x,xb2[bunchlast[bunch]],topptr,botptr,swplc,lplc); else { j = x; while (x <= xb2[bunchlast[bunch]]) { n = l+pskyoff[lplc[x]>>m]; if (n != globalpicnum) { wallscan(j,x-1,topptr,botptr,swplc,lplc); j = x; globalpicnum = n; } x++; } if (j <= x) wallscan(j,x,topptr,botptr,swplc,lplc); } globalpicnum = l; } globalhoriz = globalhorizbak; } // // drawalls (internal) // static void drawalls(int bunch) { sectortype *sec, *nextsec; walltype *wal; int i, x, x1, x2, cz[5], fz[5]; int z, wallnum, sectnum, nextsectnum; int startsmostwallcnt, startsmostcnt, gotswall; unsigned char andwstat1, andwstat2; z = bunchfirst[bunch]; sectnum = thesector[z]; sec = §or[sectnum]; andwstat1 = 0xff; andwstat2 = 0xff; for(;z>=0;z=p2[z]) //uplc/dplc calculation { andwstat1 &= wallmost(uplc,z,sectnum,(char)0); andwstat2 &= wallmost(dplc,z,sectnum,(char)1); } if ((andwstat1&3) != 3) //draw ceilings { if ((sec->ceilingstat&3) == 2) grouscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,0); else if ((sec->ceilingstat&1) == 0) ceilscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum); else parascan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,0,bunch); } if ((andwstat2&12) != 12) //draw floors { if ((sec->floorstat&3) == 2) grouscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,1); else if ((sec->floorstat&1) == 0) florscan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum); else parascan(xb1[bunchfirst[bunch]],xb2[bunchlast[bunch]],sectnum,1,bunch); } //DRAW WALLS SECTION! for(z=bunchfirst[bunch];z>=0;z=p2[z]) { x1 = xb1[z]; x2 = xb2[z]; if (umost[x2] >= dmost[x2]) { for(x=x1;x= x2) { smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 0; smostwallcnt++; continue; } } wallnum = thewall[z]; wal = &wall[wallnum]; nextsectnum = wal->nextsector; nextsec = §or[nextsectnum]; gotswall = 0; startsmostwallcnt = smostwallcnt; startsmostcnt = smostcnt; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) { if (searchy <= uplc[searchx]) //ceiling { searchsector = sectnum; searchwall = wallnum; searchstat = 1; searchit = 1; } else if (searchy >= dplc[searchx]) //floor { searchsector = sectnum; searchwall = wallnum; searchstat = 2; searchit = 1; } } if (nextsectnum >= 0) { getzsofslope((short)sectnum,wal->x,wal->y,&cz[0],&fz[0]); getzsofslope((short)sectnum,wall[wal->point2].x,wall[wal->point2].y,&cz[1],&fz[1]); getzsofslope((short)nextsectnum,wal->x,wal->y,&cz[2],&fz[2]); getzsofslope((short)nextsectnum,wall[wal->point2].x,wall[wal->point2].y,&cz[3],&fz[3]); getzsofslope((short)nextsectnum,globalposx,globalposy,&cz[4],&fz[4]); if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = z; if (((sec->ceilingstat&1) == 0) || ((nextsec->ceilingstat&1) == 0)) { if ((cz[2] <= cz[0]) && (cz[3] <= cz[1])) { if (globparaceilclip) for(x=x1;x<=x2;x++) if (uplc[x] > umost[x]) if (umost[x] <= dmost[x]) { umost[x] = uplc[x]; if (umost[x] > dmost[x]) numhits--; } } else { wallmost(dwall,z,nextsectnum,(char)0); if ((cz[2] > fz[0]) || (cz[3] > fz[1])) for(i=x1;i<=x2;i++) if (dwall[i] > dplc[i]) dwall[i] = dplc[i]; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) if (searchy <= dwall[searchx]) //wall { searchsector = sectnum; searchwall = wallnum; searchstat = 0; searchit = 1; } globalorientation = (int)wal->cstat; globalpicnum = wal->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int)wal->xpanning; globalypanning = (int)wal->ypanning; globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)wallnum+16384); globalshade = (int)wal->shade; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalpal = (int)wal->pal; if (palookup[globalpal] == 0) globalpal = 0; // JBF: fixes crash globalyscale = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-nextsec->ceilingz)*globalyscale)<<8); else globalzd = (((globalposz-sec->ceilingz)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uplc,dwall,swall,lwall); if ((cz[2] >= cz[0]) && (cz[3] >= cz[1])) { for(x=x1;x<=x2;x++) if (dwall[x] > umost[x]) if (umost[x] <= dmost[x]) { umost[x] = dwall[x]; if (umost[x] > dmost[x]) numhits--; } } else { for(x=x1;x<=x2;x++) if (umost[x] <= dmost[x]) { i = max(uplc[x],dwall[x]); if (i > umost[x]) { umost[x] = i; if (umost[x] > dmost[x]) numhits--; } } } } if ((cz[2] < cz[0]) || (cz[3] < cz[1]) || (globalposz < cz[4])) { i = x2-x1+1; if (smostcnt+i < MAXYSAVES) { smoststart[smostwallcnt] = smostcnt; smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 1; //1 for umost smostwallcnt++; copybufbyte(&umost[x1],&smost[smostcnt],i*sizeof(smost[0])); smostcnt += i; } } } if (((sec->floorstat&1) == 0) || ((nextsec->floorstat&1) == 0)) { if ((fz[2] >= fz[0]) && (fz[3] >= fz[1])) { if (globparaflorclip) for(x=x1;x<=x2;x++) if (dplc[x] < dmost[x]) if (umost[x] <= dmost[x]) { dmost[x] = dplc[x]; if (umost[x] > dmost[x]) numhits--; } } else { wallmost(uwall,z,nextsectnum,(char)1); if ((fz[2] < cz[0]) || (fz[3] < cz[1])) for(i=x1;i<=x2;i++) if (uwall[i] < uplc[i]) uwall[i] = uplc[i]; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) if (searchy >= uwall[searchx]) //wall { searchsector = sectnum; searchwall = wallnum; if ((wal->cstat&2) > 0) searchwall = wal->nextwall; searchstat = 0; searchit = 1; } if ((wal->cstat&2) > 0) { wallnum = wal->nextwall; wal = &wall[wallnum]; globalorientation = (int)wal->cstat; globalpicnum = wal->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int)wal->xpanning; globalypanning = (int)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)wallnum+16384); globalshade = (int)wal->shade; globalpal = (int)wal->pal; wallnum = thewall[z]; wal = &wall[wallnum]; } else { globalorientation = (int)wal->cstat; globalpicnum = wal->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int)wal->xpanning; globalypanning = (int)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)wallnum+16384); globalshade = (int)wal->shade; globalpal = (int)wal->pal; } if (palookup[globalpal] == 0) globalpal = 0; // JBF: fixes crash globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-nextsec->floorz)*globalyscale)<<8); else globalzd = (((globalposz-sec->ceilingz)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uwall,dplc,swall,lwall); if ((fz[2] <= fz[0]) && (fz[3] <= fz[1])) { for(x=x1;x<=x2;x++) if (uwall[x] < dmost[x]) if (umost[x] <= dmost[x]) { dmost[x] = uwall[x]; if (umost[x] > dmost[x]) numhits--; } } else { for(x=x1;x<=x2;x++) if (umost[x] <= dmost[x]) { i = min(dplc[x],uwall[x]); if (i < dmost[x]) { dmost[x] = i; if (umost[x] > dmost[x]) numhits--; } } } } if ((fz[2] > fz[0]) || (fz[3] > fz[1]) || (globalposz > fz[4])) { i = x2-x1+1; if (smostcnt+i < MAXYSAVES) { smoststart[smostwallcnt] = smostcnt; smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 2; //2 for dmost smostwallcnt++; copybufbyte(&dmost[x1],&smost[smostcnt],i*sizeof(smost[0])); smostcnt += i; } } } if (numhits < 0) return; if ((!(wal->cstat&32)) && ((gotsector[nextsectnum>>3]&pow2char[nextsectnum&7]) == 0)) { if (umost[x2] < dmost[x2]) scansector(nextsectnum); else { for(x=x1;xcstat&32)) //White/1-way wall { globalorientation = (int)wal->cstat; if (nextsectnum < 0) globalpicnum = wal->picnum; else globalpicnum = wal->overpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int)wal->xpanning; globalypanning = (int)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)wallnum+16384); globalshade = (int)wal->shade; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalpal = (int)wal->pal; if (palookup[globalpal] == 0) globalpal = 0; // JBF: fixes crash globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = (wal->yrepeat<<(globalshiftval-19)); if (nextsectnum >= 0) { if ((globalorientation&4) == 0) globalzd = globalposz-nextsec->ceilingz; else globalzd = globalposz-sec->ceilingz; } else { if ((globalorientation&4) == 0) globalzd = globalposz-sec->ceilingz; else globalzd = globalposz-sec->floorz; } globalzd = ((globalzd*globalyscale)<<8) + (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; if (gotswall == 0) { gotswall = 1; prepwall(z,wal); } wallscan(x1,x2,uplc,dplc,swall,lwall); for(x=x1;x<=x2;x++) if (umost[x] <= dmost[x]) { umost[x] = 1; dmost[x] = 0; numhits--; } smostwall[smostwallcnt] = z; smostwalltype[smostwallcnt] = 0; smostwallcnt++; if ((searchit == 2) && (searchx >= x1) && (searchx <= x2)) { searchit = 1; searchsector = sectnum; searchwall = wallnum; if (nextsectnum < 0) searchstat = 0; else searchstat = 4; } } } } // // drawvox // static void drawvox(int dasprx, int daspry, int dasprz, int dasprang, int daxscale, int dayscale, unsigned char daindex, signed char dashade, unsigned char dapal, int *daumost, int *dadmost) { int i, j, k, x, y, syoff, ggxstart, ggystart, nxoff; int cosang, sinang, sprcosang, sprsinang, backx, backy, gxinc, gyinc; int daxsiz, daysiz, dazsiz, daxpivot, daypivot, dazpivot; int daxscalerecip, dayscalerecip, cnt, gxstart, gystart, odayscale; int l1, l2, xyvoxoffs, *longptr; intptr_t slabxoffs; int lx, rx, nx, ny, x1=0, y1=0, z1, x2=0, y2=0, z2, yplc, yinc=0; int yoff, xs=0, ys=0, xe, ye, xi=0, yi=0, cbackx, cbacky, dagxinc, dagyinc; short *shortptr; unsigned char *voxptr, *voxend, *davoxptr, oand, oand16, oand32; cosang = sintable[(globalang+512)&2047]; sinang = sintable[globalang&2047]; sprcosang = sintable[(dasprang+512)&2047]; sprsinang = sintable[dasprang&2047]; i = klabs(dmulscale6(dasprx-globalposx,cosang,daspry-globalposy,sinang)); j = (int)(getpalookup((int)mulscale21(globvis,i),(int)dashade)<<8); setupdrawslab(ylookup[1], palookup[dapal]+j); j = 1310720; j *= min(daxscale,dayscale); j >>= 6; //New hacks (for sized-down voxels) for(k=0;k= MAXVOXMIPS) i = MAXVOXMIPS-1; if (novoxmips) i = 0; davoxptr = (unsigned char *)voxoff[daindex][i]; if (!davoxptr && i > 0) { davoxptr = (unsigned char *)voxoff[daindex][0]; i = 0; } if (!davoxptr) return; if (voxscale[daindex] == 65536) { daxscale <<= (i+8); dayscale <<= (i+8); } else { daxscale = mulscale8(daxscale<>8); backy = ((dmulscale10(y,sprcosang,x,-sprsinang)+daypivot)>>8); cbackx = min(max(backx,0),daxsiz-1); cbacky = min(max(backy,0),daysiz-1); sprcosang = mulscale14(daxscale,sprcosang); sprsinang = mulscale14(daxscale,sprsinang); x = (dasprx-globalposx) - dmulscale18(daxpivot,sprcosang,daypivot,-sprsinang); y = (daspry-globalposy) - dmulscale18(daypivot,sprcosang,daxpivot,sprsinang); cosang = mulscale16(cosang,dayscalerecip); sinang = mulscale16(sinang,dayscalerecip); gxstart = y*cosang - x*sinang; gystart = x*cosang + y*sinang; gxinc = dmulscale10(sprsinang,cosang,sprcosang,-sinang); gyinc = dmulscale10(sprcosang,cosang,sprsinang,sinang); x = 0; y = 0; j = max(daxsiz,daysiz); for(i=0;i<=j;i++) { ggxinc[i] = x; x += gxinc; ggyinc[i] = y; y += gyinc; } if ((klabs(globalposz-dasprz)>>10) >= klabs(odayscale)) return; syoff = divscale21(globalposz-dasprz,odayscale) + (dazpivot<<7); yoff = ((klabs(gxinc)+klabs(gyinc))>>1); longptr = (int *)davoxptr; xyvoxoffs = ((daxsiz+1)<<2); begindrawing(); //{{{ for(cnt=0;cnt<8;cnt++) { switch(cnt) { case 0: xs = 0; ys = 0; xi = 1; yi = 1; break; case 1: xs = daxsiz-1; ys = 0; xi = -1; yi = 1; break; case 2: xs = 0; ys = daysiz-1; xi = 1; yi = -1; break; case 3: xs = daxsiz-1; ys = daysiz-1; xi = -1; yi = -1; break; case 4: xs = 0; ys = cbacky; xi = 1; yi = 2; break; case 5: xs = daxsiz-1; ys = cbacky; xi = -1; yi = 2; break; case 6: xs = cbackx; ys = 0; xi = 2; yi = 1; break; case 7: xs = cbackx; ys = daysiz-1; xi = 2; yi = -1; break; } xe = cbackx; ye = cbacky; if (cnt < 4) { if ((xi < 0) && (xe >= xs)) continue; if ((xi > 0) && (xe <= xs)) continue; if ((yi < 0) && (ye >= ys)) continue; if ((yi > 0) && (ye <= ys)) continue; } else { if ((xi < 0) && (xe > xs)) continue; if ((xi > 0) && (xe < xs)) continue; if ((yi < 0) && (ye > ys)) continue; if ((yi > 0) && (ye < ys)) continue; xe += xi; ye += yi; } i = ksgn(ys-backy)+ksgn(xs-backx)*3+4; switch(i) { case 6: case 7: x1 = 0; y1 = 0; break; case 8: case 5: x1 = gxinc; y1 = gyinc; break; case 0: case 3: x1 = gyinc; y1 = -gxinc; break; case 2: case 1: x1 = gxinc+gyinc; y1 = gyinc-gxinc; break; } switch(i) { case 2: case 5: x2 = 0; y2 = 0; break; case 0: case 1: x2 = gxinc; y2 = gyinc; break; case 8: case 7: x2 = gyinc; y2 = -gxinc; break; case 6: case 3: x2 = gxinc+gyinc; y2 = gyinc-gxinc; break; } oand = pow2char[(xs 0) { dagxinc = gxinc; dagyinc = mulscale16(gyinc,viewingrangerecip); } else { dagxinc = -gxinc; dagyinc = -mulscale16(gyinc,viewingrangerecip); } //Fix for non 90 degree viewing ranges nxoff = mulscale16(x2-x1,viewingrangerecip); x1 = mulscale16(x1,viewingrangerecip); ggxstart = gxstart+ggyinc[ys]; ggystart = gystart-ggxinc[ys]; for(x=xs;x!=xe;x+=xi) { slabxoffs = (intptr_t)&davoxptr[B_LITTLE32(longptr[x])]; shortptr = (short *)&davoxptr[((x*(daysiz+1))<<1)+xyvoxoffs]; nx = mulscale16(ggxstart+ggxinc[x],viewingrangerecip)+x1; ny = ggystart+ggyinc[x]; for(y=ys;y!=ye;y+=yi,nx+=dagyinc,ny-=dagxinc) { if ((ny <= nytooclose) || (ny >= nytoofar)) continue; voxptr = (unsigned char *)(B_LITTLE16(shortptr[y])+slabxoffs); voxend = (unsigned char *)(B_LITTLE16(shortptr[y+1])+slabxoffs); if (voxptr == voxend) continue; lx = mulscale32(nx>>3,distrecip[(ny+y1)>>14])+halfxdimen; if (lx < 0) lx = 0; rx = mulscale32((nx+nxoff)>>3,distrecip[(ny+y2)>>14])+halfxdimen; if (rx > xdimen) rx = xdimen; if (rx <= lx) continue; rx -= lx; l1 = distrecip[(ny-yoff)>>14]; l2 = distrecip[(ny+yoff)>>14]; for(;voxptr= 1024) yinc = divscale16(voxptr[1],z2-z1); else if (z2 > z1) yinc = (lowrecip[z2-z1]*voxptr[1]>>8); if (z1 < daumost[lx]) { yplc = yinc*(daumost[lx]-z1); z1 = daumost[lx]; } else yplc = 0; } if (z2 > dadmost[lx]) z2 = dadmost[lx]; z2 -= z1; if (z2 <= 0) continue; drawslab(rx,yplc,z2,yinc,&voxptr[3],(void *)(ylookup[z1]+lx+frameoffset)); } } } } enddrawing(); //}}} } // // drawsprite (internal) // static void drawsprite(int snum) { spritetype *tspr; sectortype *sec; int startum, startdm, sectnum, xb, yp, cstat; int siz, xsiz, ysiz, xoff, yoff, xspan, yspan; int x1, y1, x2, y2, lx, rx, dalx2, darx2, i, j, k, x, linum, linuminc; int yinc, z, z1, z2, xp1, yp1, xp2, yp2; int xv, yv, top, topinc, bot, botinc, hplc, hinc; int cosang, sinang, dax, day, lpoint, lmax, rpoint, rmax, dax1, dax2, y; int npoints, npoints2, zz, t, zsgn, zzsgn, *longptr; int tilenum, vtilenum = 0, spritenum; unsigned char swapped, daclip; //============================================================================= //POLYMOST BEGINS #if USE_POLYMOST if (rendmode) { polymost_drawsprite(snum); return; } #endif //============================================================================= //POLYMOST ENDS tspr = tspriteptr[snum]; xb = spritesx[snum]; yp = spritesy[snum]; tilenum = tspr->picnum; spritenum = tspr->owner; cstat = tspr->cstat; if ((cstat&48)==48) vtilenum = tilenum; // if the game wants voxels, it gets voxels else if ((cstat&48)!=48 && (usevoxels) && (tiletovox[tilenum] != -1) #if USE_POLYMOST && USE_OPENGL && (!(spriteext[tspr->owner].flags&SPREXT_NOTMD)) #endif ) { vtilenum = tiletovox[tilenum]; cstat |= 48; } if ((cstat&48) != 48) { if (picanm[tilenum]&192) tilenum += animateoffs(tilenum,spritenum+32768); if ((tilesizx[tilenum] <= 0) || (tilesizy[tilenum] <= 0) || (spritenum < 0)) return; } if ((tspr->xrepeat <= 0) || (tspr->yrepeat <= 0)) return; sectnum = tspr->sectnum; sec = §or[sectnum]; globalpal = tspr->pal; if (palookup[globalpal] == 0) globalpal = 0; // JBF: fixes null-pointer crash globalshade = tspr->shade; if (cstat&2) { if (cstat&512) settransreverse(); else settransnormal(); } xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)tspr->xoffset); yoff = (int)((signed char)((picanm[tilenum]>>16)&255))+((int)tspr->yoffset); if ((cstat&48) == 0) { if (yp <= (4<<8)) return; siz = divscale19(xdimenscale,yp); xv = mulscale16(((int)tspr->xrepeat)<<16,xyaspect); xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum]; xsiz = mulscale30(siz,xv*xspan); ysiz = mulscale14(siz,tspr->yrepeat*yspan); if (((tilesizx[tilenum]>>11) >= xsiz) || (yspan >= (ysiz>>1))) return; //Watch out for divscale overflow x1 = xb-(xsiz>>1); if (xspan&1) x1 += mulscale31(siz,xv); //Odd xspans i = mulscale30(siz,xv*xoff); if ((cstat&4) == 0) x1 -= i; else x1 += i; y1 = mulscale16(tspr->z-globalposz,siz); y1 -= mulscale14(siz,tspr->yrepeat*yoff); y1 += (globalhoriz<<8)-ysiz; if (cstat&128) { y1 += (ysiz>>1); if (yspan&1) y1 += mulscale15(siz,tspr->yrepeat); //Odd yspans } x2 = x1+xsiz-1; y2 = y1+ysiz-1; if ((y1|255) >= (y2|255)) return; lx = (x1>>8)+1; if (lx < 0) lx = 0; rx = (x2>>8); if (rx >= xdimen) rx = xdimen-1; if (lx > rx) return; yinc = divscale32(yspan,ysiz); if ((sec->ceilingstat&3) == 0) startum = globalhoriz+mulscale24(siz,sec->ceilingz-globalposz)-1; else startum = 0; if ((sec->floorstat&3) == 0) startdm = globalhoriz+mulscale24(siz,sec->floorz-globalposz)+1; else startdm = 0x7fffffff; if ((y1>>8) > startum) startum = (y1>>8); if ((y2>>8) < startdm) startdm = (y2>>8); if (startum < -32768) startum = -32768; if (startdm > 32767) startdm = 32767; if (startum >= startdm) return; if ((cstat&4) == 0) { linuminc = divscale24(xspan,xsiz); linum = mulscale8((lx<<8)-x1,linuminc); } else { linuminc = -divscale24(xspan,xsiz); linum = mulscale8((lx<<8)-x2,linuminc); } if ((cstat&8) > 0) { yinc = -yinc; i = y1; y1 = y2; y2 = i; } for(x=lx;x<=rx;x++) { uwall[x] = max(startumost[x+windowx1]-windowy1,(short)startum); dwall[x] = min(startdmost[x+windowx1]-windowy1,(short)startdm); } daclip = 0; for(i=smostwallcnt-1;i>=0;i--) { if (smostwalltype[i]&daclip) continue; j = smostwall[i]; if ((xb1[j] > rx) || (xb2[j] < lx)) continue; if ((yp <= yb1[j]) && (yp <= yb2[j])) continue; if (spritewallfront(tspr,(int)thewall[j]) && ((yp <= yb1[j]) || (yp <= yb2[j]))) continue; dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx); switch(smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == lx) && (darx2 == rx)) return; //clearbufbyte(&dwall[dalx2],(darx2-dalx2+1)*sizeof(dwall[0]),0L); for (k=dalx2; k<=darx2; k++) dwall[k] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; if ((dalx2 == lx) && (darx2 == rx)) daclip |= 1; break; case 2: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; if ((dalx2 == lx) && (darx2 == rx)) daclip |= 2; break; } } if (uwall[rx] >= dwall[rx]) { for(x=lx;x= 1) && (searchx >= lx) && (searchx <= rx)) if ((searchy >= uwall[searchx]) && (searchy < dwall[searchx])) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } z2 = tspr->z - ((yoff*tspr->yrepeat)<<2); if (cstat&128) { z2 += ((yspan*tspr->yrepeat)<<1); if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans } z1 = z2 - ((yspan*tspr->yrepeat)<<2); globalorientation = 0; globalpicnum = tilenum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = 0L; globalypanning = 0L; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19); globalzd = (((globalposz-z1)*globalyscale)<<8); if ((cstat&8) > 0) { globalyscale = -globalyscale; globalzd = (((globalposz-z2)*globalyscale)<<8); } qinterpolatedown16(&lwall[lx],rx-lx+1,linum,linuminc); clearbuf(&swall[lx],rx-lx+1,mulscale19(yp,xdimscale)); if ((cstat&2) == 0) maskwallscan(lx,rx,uwall,dwall,swall,lwall); else transmaskwallscan(lx,rx); } else if ((cstat&48) == 16) { if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum]; xv = tspr->xrepeat*sintable[(tspr->ang+2560+1536)&2047]; yv = tspr->xrepeat*sintable[(tspr->ang+2048+1536)&2047]; i = (xspan>>1)+xoff; x1 = tspr->x-globalposx-mulscale16(xv,i); x2 = x1+mulscale16(xv,xspan); y1 = tspr->y-globalposy-mulscale16(yv,i); y2 = y1+mulscale16(yv,xspan); yp1 = dmulscale6(x1,cosviewingrangeglobalang,y1,sinviewingrangeglobalang); yp2 = dmulscale6(x2,cosviewingrangeglobalang,y2,sinviewingrangeglobalang); if ((yp1 <= 0) && (yp2 <= 0)) return; xp1 = dmulscale6(y1,cosglobalang,-x1,singlobalang); xp2 = dmulscale6(y2,cosglobalang,-x2,singlobalang); x1 += globalposx; y1 += globalposy; x2 += globalposx; y2 += globalposy; swapped = 0; if (dmulscale32(xp1,yp2,-xp2,yp1) >= 0) //If wall's NOT facing you { if ((cstat&64) != 0) return; i = xp1, xp1 = xp2, xp2 = i; i = yp1, yp1 = yp2, yp2 = i; i = x1, x1 = x2, x2 = i; i = y1, y1 = y2, y2 = i; swapped = 1; } if (xp1 >= -yp1) { if (xp1 > yp1) return; if (yp1 == 0) return; xb1[MAXWALLSB-1] = halfxdimen + scale(xp1,halfxdimen,yp1); if (xp1 >= 0) xb1[MAXWALLSB-1]++; //Fix for SIGNED divide if (xb1[MAXWALLSB-1] >= xdimen) xb1[MAXWALLSB-1] = xdimen-1; yb1[MAXWALLSB-1] = yp1; } else { if (xp2 < -yp2) return; xb1[MAXWALLSB-1] = 0; i = yp1-yp2+xp1-xp2; if (i == 0) return; yb1[MAXWALLSB-1] = yp1 + scale(yp2-yp1,xp1+yp1,i); } if (xp2 <= yp2) { if (xp2 < -yp2) return; if (yp2 == 0) return; xb2[MAXWALLSB-1] = halfxdimen + scale(xp2,halfxdimen,yp2) - 1; if (xp2 >= 0) xb2[MAXWALLSB-1]++; //Fix for SIGNED divide if (xb2[MAXWALLSB-1] >= xdimen) xb2[MAXWALLSB-1] = xdimen-1; yb2[MAXWALLSB-1] = yp2; } else { if (xp1 > yp1) return; xb2[MAXWALLSB-1] = xdimen-1; i = xp2-xp1+yp1-yp2; if (i == 0) return; yb2[MAXWALLSB-1] = yp1 + scale(yp2-yp1,yp1-xp1,i); } if ((yb1[MAXWALLSB-1] < 256) || (yb2[MAXWALLSB-1] < 256) || (xb1[MAXWALLSB-1] > xb2[MAXWALLSB-1])) return; topinc = -mulscale10(yp1,xspan); top = (((mulscale10(xp1,xdimen) - mulscale9(xb1[MAXWALLSB-1]-halfxdimen,yp1))*xspan)>>3); botinc = ((yp2-yp1)>>8); bot = mulscale11(xp1-xp2,xdimen) + mulscale2(xb1[MAXWALLSB-1]-halfxdimen,botinc); j = xb2[MAXWALLSB-1]+3; z = mulscale20(top,krecipasm(bot)); lwall[xb1[MAXWALLSB-1]] = (z>>8); for(x=xb1[MAXWALLSB-1]+4;x<=j;x+=4) { top += topinc; bot += botinc; zz = z; z = mulscale20(top,krecipasm(bot)); lwall[x] = (z>>8); i = ((z+zz)>>1); lwall[x-2] = (i>>8); lwall[x-3] = ((i+zz)>>9); lwall[x-1] = ((i+z)>>9); } if (lwall[xb1[MAXWALLSB-1]] < 0) lwall[xb1[MAXWALLSB-1]] = 0; if (lwall[xb2[MAXWALLSB-1]] >= xspan) lwall[xb2[MAXWALLSB-1]] = xspan-1; if ((swapped^((cstat&4)>0)) > 0) { j = xspan-1; for(x=xb1[MAXWALLSB-1];x<=xb2[MAXWALLSB-1];x++) lwall[x] = j-lwall[x]; } rx1[MAXWALLSB-1] = xp1; ry1[MAXWALLSB-1] = yp1; rx2[MAXWALLSB-1] = xp2; ry2[MAXWALLSB-1] = yp2; hplc = divscale19(xdimenscale,yb1[MAXWALLSB-1]); hinc = divscale19(xdimenscale,yb2[MAXWALLSB-1]); hinc = (hinc-hplc)/(xb2[MAXWALLSB-1]-xb1[MAXWALLSB-1]+1); z2 = tspr->z - ((yoff*tspr->yrepeat)<<2); if (cstat&128) { z2 += ((yspan*tspr->yrepeat)<<1); if (yspan&1) z2 += (tspr->yrepeat<<1); //Odd yspans } z1 = z2 - ((yspan*tspr->yrepeat)<<2); globalorientation = 0; globalpicnum = tilenum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = 0L; globalypanning = 0L; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = divscale(512,tspr->yrepeat,globalshiftval-19); globalzd = (((globalposz-z1)*globalyscale)<<8); if ((cstat&8) > 0) { globalyscale = -globalyscale; globalzd = (((globalposz-z2)*globalyscale)<<8); } if (((sec->ceilingstat&1) == 0) && (z1 < sec->ceilingz)) z1 = sec->ceilingz; if (((sec->floorstat&1) == 0) && (z2 > sec->floorz)) z2 = sec->floorz; owallmost(uwall,(int)(MAXWALLSB-1),z1-globalposz); owallmost(dwall,(int)(MAXWALLSB-1),z2-globalposz); for(i=xb1[MAXWALLSB-1];i<=xb2[MAXWALLSB-1];i++) { swall[i] = (krecipasm(hplc)<<2); hplc += hinc; } for(i=smostwallcnt-1;i>=0;i--) { j = smostwall[i]; if ((xb1[j] > xb2[MAXWALLSB-1]) || (xb2[j] < xb1[MAXWALLSB-1])) continue; dalx2 = xb1[j]; darx2 = xb2[j]; if (max(yb1[MAXWALLSB-1],yb2[MAXWALLSB-1]) > min(yb1[j],yb2[j])) { if (min(yb1[MAXWALLSB-1],yb2[MAXWALLSB-1]) > max(yb1[j],yb2[j])) { x = 0x80000000; } else { x = thewall[j]; xp1 = wall[x].x; yp1 = wall[x].y; x = wall[x].point2; xp2 = wall[x].x; yp2 = wall[x].y; z1 = (xp2-xp1)*(y1-yp1) - (yp2-yp1)*(x1-xp1); z2 = (xp2-xp1)*(y2-yp1) - (yp2-yp1)*(x2-xp1); if ((z1^z2) >= 0) x = (z1+z2); else { z1 = (x2-x1)*(yp1-y1) - (y2-y1)*(xp1-x1); z2 = (x2-x1)*(yp2-y1) - (y2-y1)*(xp2-x1); if ((z1^z2) >= 0) x = -(z1+z2); else { if ((xp2-xp1)*(tspr->y-yp1) == (tspr->x-xp1)*(yp2-yp1)) { if (wall[thewall[j]].nextsector == tspr->sectnum) x = 0x80000000; else x = 0x7fffffff; } else { //INTERSECTION! x = (xp1-globalposx) + scale(xp2-xp1,z1,z1-z2); y = (yp1-globalposy) + scale(yp2-yp1,z1,z1-z2); yp1 = dmulscale14(x,cosglobalang,y,singlobalang); if (yp1 > 0) { xp1 = dmulscale14(y,cosglobalang,-x,singlobalang); x = halfxdimen + scale(xp1,halfxdimen,yp1); if (xp1 >= 0) x++; //Fix for SIGNED divide if (z1 < 0) { if (dalx2 < x) dalx2 = x; } else { if (darx2 > x) darx2 = x; } x = 0x80000001; } else x = 0x7fffffff; } } } } if (x < 0) { if (dalx2 < xb1[MAXWALLSB-1]) dalx2 = xb1[MAXWALLSB-1]; if (darx2 > xb2[MAXWALLSB-1]) darx2 = xb2[MAXWALLSB-1]; switch(smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == xb1[MAXWALLSB-1]) && (darx2 == xb2[MAXWALLSB-1])) return; //clearbufbyte(&dwall[dalx2],(darx2-dalx2+1)*sizeof(dwall[0]),0L); for (k=dalx2; k<=darx2; k++) dwall[k] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; break; } } } } //sprite if ((searchit >= 1) && (searchx >= xb1[MAXWALLSB-1]) && (searchx <= xb2[MAXWALLSB-1])) if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx])) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } if ((cstat&2) == 0) { maskwallscan(xb1[MAXWALLSB-1],xb2[MAXWALLSB-1],uwall,dwall,swall,lwall); } else { transmaskwallscan(xb1[MAXWALLSB-1],xb2[MAXWALLSB-1]); } } else if ((cstat&48) == 32) { if ((cstat&64) != 0) if ((globalposz > tspr->z) == ((cstat&8)==0)) return; if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; xspan = tilesizx[tilenum]; yspan = tilesizy[tilenum]; //Rotate center point dax = tspr->x-globalposx; day = tspr->y-globalposy; rzi[0] = dmulscale10(cosglobalang,dax,singlobalang,day); rxi[0] = dmulscale10(cosglobalang,day,-singlobalang,dax); //Get top-left corner i = ((tspr->ang+2048-globalang)&2047); cosang = sintable[(i+512)&2047]; sinang = sintable[i]; dax = ((xspan>>1)+xoff)*tspr->xrepeat; day = ((yspan>>1)+yoff)*tspr->yrepeat; rzi[0] += dmulscale12(sinang,dax,cosang,day); rxi[0] += dmulscale12(sinang,day,-cosang,dax); //Get other 3 corners dax = xspan*tspr->xrepeat; day = yspan*tspr->yrepeat; rzi[1] = rzi[0]-mulscale12(sinang,dax); rxi[1] = rxi[0]+mulscale12(cosang,dax); dax = -mulscale12(cosang,day); day = -mulscale12(sinang,day); rzi[2] = rzi[1]+dax; rxi[2] = rxi[1]+day; rzi[3] = rzi[0]+dax; rxi[3] = rxi[0]+day; //Put all points on same z ryi[0] = scale((tspr->z-globalposz),yxaspect,320<<8); if (ryi[0] == 0) return; ryi[1] = ryi[2] = ryi[3] = ryi[0]; if ((cstat&4) == 0) { z = 0; z1 = 1; z2 = 3; } else { z = 1; z1 = 0; z2 = 2; } dax = rzi[z1]-rzi[z]; day = rxi[z1]-rxi[z]; bot = dmulscale8(dax,dax,day,day); if (((klabs(dax)>>13) >= bot) || ((klabs(day)>>13) >= bot)) return; globalx1 = divscale18(dax,bot); globalx2 = divscale18(day,bot); dax = rzi[z2]-rzi[z]; day = rxi[z2]-rxi[z]; bot = dmulscale8(dax,dax,day,day); if (((klabs(dax)>>13) >= bot) || ((klabs(day)>>13) >= bot)) return; globaly1 = divscale18(dax,bot); globaly2 = divscale18(day,bot); //Calculate globals for hline texture mapping function globalxpanning = (rxi[z]<<12); globalypanning = (rzi[z]<<12); globalzd = (ryi[z]<<12); rzi[0] = mulscale16(rzi[0],viewingrange); rzi[1] = mulscale16(rzi[1],viewingrange); rzi[2] = mulscale16(rzi[2],viewingrange); rzi[3] = mulscale16(rzi[3],viewingrange); if (ryi[0] < 0) //If ceilsprite is above you, reverse order of points { i = rxi[1]; rxi[1] = rxi[3]; rxi[3] = i; i = rzi[1]; rzi[1] = rzi[3]; rzi[3] = i; } //Clip polygon in 3-space npoints = 4; //Clip edge 1 npoints2 = 0; zzsgn = rxi[0]+rzi[0]; for(z=0;z= 0) { rxi2[npoints2] = rxi[z]; ryi2[npoints2] = ryi[z]; rzi2[npoints2] = rzi[z]; npoints2++; } if ((zsgn^zzsgn) < 0) { t = divscale30(zsgn,zsgn-zzsgn); rxi2[npoints2] = rxi[z] + mulscale30(t,rxi[zz]-rxi[z]); ryi2[npoints2] = ryi[z] + mulscale30(t,ryi[zz]-ryi[z]); rzi2[npoints2] = rzi[z] + mulscale30(t,rzi[zz]-rzi[z]); npoints2++; } } if (npoints2 <= 2) return; //Clip edge 2 npoints = 0; zzsgn = rxi2[0]-rzi2[0]; for(z=0;z= 0) { rxi2[npoints2] = rxi[z]; ryi2[npoints2] = ryi[z]; rzi2[npoints2] = rzi[z]; npoints2++; } if ((zsgn^zzsgn) < 0) { t = divscale30(zsgn,zsgn-zzsgn); rxi2[npoints2] = rxi[z] + mulscale30(t,rxi[zz]-rxi[z]); ryi2[npoints2] = ryi[z] + mulscale30(t,ryi[zz]-ryi[z]); rzi2[npoints2] = rzi[z] + mulscale30(t,rzi[zz]-rzi[z]); npoints2++; } } if (npoints2 <= 2) return; //Clip edge 4 npoints = 0; zzsgn = ryi2[0]*halfxdimen + (rzi2[0]*(globalhoriz-ydimen)); for(z=0;z (xdimen<<16)) xsi[z] = (xdimen<<16); if (ysi[z] < ((int)0<<16)) ysi[z] = ((int)0<<16); if (ysi[z] > ((int)ydimen<<16)) ysi[z] = ((int)ydimen<<16); if (xsi[z] < lmax) lmax = xsi[z], lpoint = z; if (xsi[z] > rmax) rmax = xsi[z], rpoint = z; } //Get uwall arrays for(z=lpoint;z!=rpoint;z=zz) { zz = z+1; if (zz == npoints) zz = 0; dax1 = ((xsi[z]+65535)>>16); dax2 = ((xsi[zz]+65535)>>16); if (dax2 > dax1) { yinc = divscale16(ysi[zz]-ysi[z],xsi[zz]-xsi[z]); y = ysi[z] + mulscale16((dax1<<16)-xsi[z],yinc); qinterpolatedown16short(&uwall[dax1],dax2-dax1,y,yinc); } } //Get dwall arrays for(;z!=lpoint;z=zz) { zz = z+1; if (zz == npoints) zz = 0; dax1 = ((xsi[zz]+65535)>>16); dax2 = ((xsi[z]+65535)>>16); if (dax2 > dax1) { yinc = divscale16(ysi[zz]-ysi[z],xsi[zz]-xsi[z]); y = ysi[zz] + mulscale16((dax1<<16)-xsi[zz],yinc); qinterpolatedown16short(&dwall[dax1],dax2-dax1,y,yinc); } } lx = ((lmax+65535)>>16); rx = ((rmax+65535)>>16); for(x=lx;x<=rx;x++) { uwall[x] = max(uwall[x],startumost[x+windowx1]-windowy1); dwall[x] = min(dwall[x],startdmost[x+windowx1]-windowy1); } //Additional uwall/dwall clipping goes here for(i=smostwallcnt-1;i>=0;i--) { j = smostwall[i]; if ((xb1[j] > rx) || (xb2[j] < lx)) continue; if ((yp <= yb1[j]) && (yp <= yb2[j])) continue; //if (spritewallfront(tspr,thewall[j]) == 0) x = thewall[j]; xp1 = wall[x].x; yp1 = wall[x].y; x = wall[x].point2; xp2 = wall[x].x; yp2 = wall[x].y; x = (xp2-xp1)*(tspr->y-yp1)-(tspr->x-xp1)*(yp2-yp1); if ((yp > yb1[j]) && (yp > yb2[j])) x = -1; if ((x >= 0) && ((x != 0) || (wall[thewall[j]].nextsector != tspr->sectnum))) continue; dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx); switch(smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == lx) && (darx2 == rx)) return; //clearbufbyte(&dwall[dalx2],(darx2-dalx2+1)*sizeof(dwall[0]),0L); for (x=dalx2; x<=darx2; x++) dwall[x] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; break; } } //sprite if ((searchit >= 1) && (searchx >= lx) && (searchx <= rx)) if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx])) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } globalorientation = cstat; globalpicnum = tilenum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; //if (picanm[globalpicnum]&192) globalpicnum += animateoffs((short)globalpicnum,spritenum+32768); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); setgotpic(globalpicnum); globalbufplc = waloff[globalpicnum]; globvis = mulscale16(globalhisibility,viewingrange); if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); x = picsiz[globalpicnum]; y = ((x>>4)&15); x &= 15; if (pow2long[x] != xspan) { x++; globalx1 = mulscale(globalx1,xspan,x); globalx2 = mulscale(globalx2,xspan,x); } dax = globalxpanning; day = globalypanning; globalxpanning = -dmulscale6(globalx1,day,globalx2,dax); globalypanning = -dmulscale6(globaly1,day,globaly2,dax); globalx2 = mulscale16(globalx2,viewingrange); globaly2 = mulscale16(globaly2,viewingrange); globalzd = mulscale16(globalzd,viewingrangerecip); globalx1 = (globalx1-globalx2)*halfxdimen; globaly1 = (globaly1-globaly2)*halfxdimen; if ((cstat&2) == 0) msethlineshift(x,y); else tsethlineshift(x,y); //Draw it! ceilspritescan(lx,rx-1); } else if ((cstat&48) == 48) { int nxrepeat, nyrepeat; lx = 0; rx = xdim-1; for(x=lx;x<=rx;x++) { lwall[x] = (int)startumost[x+windowx1]-windowy1; swall[x] = (int)startdmost[x+windowx1]-windowy1; } for(i=smostwallcnt-1;i>=0;i--) { j = smostwall[i]; if ((xb1[j] > rx) || (xb2[j] < lx)) continue; if ((yp <= yb1[j]) && (yp <= yb2[j])) continue; if (spritewallfront(tspr,(int)thewall[j]) && ((yp <= yb1[j]) || (yp <= yb2[j]))) continue; dalx2 = max(xb1[j],lx); darx2 = min(xb2[j],rx); switch(smostwalltype[i]) { case 0: if (dalx2 <= darx2) { if ((dalx2 == lx) && (darx2 == rx)) return; //clearbufbyte(&swall[dalx2],(darx2-dalx2+1)*sizeof(swall[0]),0L); for (x=dalx2; x<=darx2; x++) swall[x] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] > lwall[x]) lwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for(x=dalx2;x<=darx2;x++) if (smost[k+x] < swall[x]) swall[x] = smost[k+x]; break; } } if (lwall[rx] >= swall[rx]) { for(x=lx;xxrepeat)<<16); nyrepeat = (((int)tspr->yrepeat)<<16); } else { nxrepeat = ((int)tspr->xrepeat)*voxscale[vtilenum]; nyrepeat = ((int)tspr->yrepeat)*voxscale[vtilenum]; } if (!(cstat&128)) tspr->z -= mulscale22(B_LITTLE32(longptr[5]),nyrepeat); yoff = (int)((signed char)((picanm[sprite[tspr->owner].picnum]>>16)&255))+((int)tspr->yoffset); tspr->z -= mulscale14(yoff,nyrepeat); globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); if ((searchit >= 1) && (yp > (4<<8)) && (searchy >= lwall[searchx]) && (searchy < swall[searchx])) { siz = divscale19(xdimenscale,yp); xv = mulscale16(nxrepeat,xyaspect); xspan = ((B_LITTLE32(longptr[0])+B_LITTLE32(longptr[1]))>>1); yspan = B_LITTLE32(longptr[2]); xsiz = mulscale30(siz,xv*xspan); ysiz = mulscale30(siz,nyrepeat*yspan); //Watch out for divscale overflow if (((xspan>>11) < xsiz) && (yspan < (ysiz>>1))) { x1 = xb-(xsiz>>1); if (xspan&1) x1 += mulscale31(siz,xv); //Odd xspans i = mulscale30(siz,xv*xoff); if ((cstat&4) == 0) x1 -= i; else x1 += i; y1 = mulscale16(tspr->z-globalposz,siz); //y1 -= mulscale30(siz,nyrepeat*yoff); y1 += (globalhoriz<<8)-ysiz; //if (cstat&128) //Already fixed up above y1 += (ysiz>>1); x2 = x1+xsiz-1; y2 = y1+ysiz-1; if (((y1|255) < (y2|255)) && (searchx >= (x1>>8)+1) && (searchx <= (x2>>8))) { if ((sec->ceilingstat&3) == 0) startum = globalhoriz+mulscale24(siz,sec->ceilingz-globalposz)-1; else startum = 0; if ((sec->floorstat&3) == 0) startdm = globalhoriz+mulscale24(siz,sec->floorz-globalposz)+1; else startdm = 0x7fffffff; //sprite if ((searchy >= max(startum,(y1>>8))) && (searchy < min(startdm,(y2>>8)))) { searchsector = sectnum; searchwall = spritenum; searchstat = 3; searchit = 1; } } } } i = (int)tspr->ang+1536; #if USE_POLYMOST && USE_OPENGL i += spriteext[tspr->owner].angoff; #endif drawvox(tspr->x,tspr->y,tspr->z,i,(int)tspr->xrepeat,(int)tspr->yrepeat,vtilenum,tspr->shade,tspr->pal,lwall,swall); } if (automapping == 1) show2dsprite[spritenum>>3] |= pow2char[spritenum&7]; } // // drawmaskwall (internal) // static void drawmaskwall(short damaskwallcnt) { int i, j, k, x, z, sectnum, z1, z2, lx, rx; sectortype *sec, *nsec; walltype *wal; //============================================================================= //POLYMOST BEGINS #if USE_POLYMOST if (rendmode) { polymost_drawmaskwall(damaskwallcnt); return; } #endif //============================================================================= //POLYMOST ENDS z = maskwall[damaskwallcnt]; wal = &wall[thewall[z]]; sectnum = thesector[z]; sec = §or[sectnum]; nsec = §or[wal->nextsector]; z1 = max(nsec->ceilingz,sec->ceilingz); z2 = min(nsec->floorz,sec->floorz); wallmost(uwall,z,sectnum,(char)0); wallmost(uplc,z,(int)wal->nextsector,(char)0); for(x=xb1[z];x<=xb2[z];x++) if (uplc[x] > uwall[x]) uwall[x] = uplc[x]; wallmost(dwall,z,sectnum,(char)1); wallmost(dplc,z,(int)wal->nextsector,(char)1); for(x=xb1[z];x<=xb2[z];x++) if (dplc[x] < dwall[x]) dwall[x] = dplc[x]; prepwall(z,wal); globalorientation = (int)wal->cstat; globalpicnum = wal->overpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; globalxpanning = (int)wal->xpanning; globalypanning = (int)wal->ypanning; if (picanm[globalpicnum]&192) globalpicnum += animateoffs(globalpicnum,(short)thewall[z]+16384); globalshade = (int)wal->shade; globvis = globalvisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalpal = (int)wal->pal; if (palookup[globalpal] == 0) globalpal = 0; globalshiftval = (picsiz[globalpicnum]>>4); if (pow2long[globalshiftval] != tilesizy[globalpicnum]) globalshiftval++; globalshiftval = 32-globalshiftval; globalyscale = (wal->yrepeat<<(globalshiftval-19)); if ((globalorientation&4) == 0) globalzd = (((globalposz-z1)*globalyscale)<<8); else globalzd = (((globalposz-z2)*globalyscale)<<8); globalzd += (globalypanning<<24); if (globalorientation&256) globalyscale = -globalyscale, globalzd = -globalzd; for(i=smostwallcnt-1;i>=0;i--) { j = smostwall[i]; if ((xb1[j] > xb2[z]) || (xb2[j] < xb1[z])) continue; if (wallfront(j,z)) continue; lx = max(xb1[j],xb1[z]); rx = min(xb2[j],xb2[z]); switch(smostwalltype[i]) { case 0: if (lx <= rx) { if ((lx == xb1[z]) && (rx == xb2[z])) return; //clearbufbyte(&dwall[lx],(rx-lx+1)*sizeof(dwall[0]),0L); for (x=lx; x<=rx; x++) dwall[x] = 0; } break; case 1: k = smoststart[i] - xb1[j]; for(x=lx;x<=rx;x++) if (smost[k+x] > uwall[x]) uwall[x] = smost[k+x]; break; case 2: k = smoststart[i] - xb1[j]; for(x=lx;x<=rx;x++) if (smost[k+x] < dwall[x]) dwall[x] = smost[k+x]; break; } } //maskwall if ((searchit >= 1) && (searchx >= xb1[z]) && (searchx <= xb2[z])) if ((searchy >= uwall[searchx]) && (searchy <= dwall[searchx])) { searchsector = sectnum; searchwall = thewall[z]; searchstat = 4; searchit = 1; } if ((globalorientation&128) == 0) maskwallscan(xb1[z],xb2[z],uwall,dwall,swall,lwall); else { if (globalorientation&128) { if (globalorientation&512) settransreverse(); else settransnormal(); } transmaskwallscan(xb1[z],xb2[z]); } } // // fillpolygon (internal) // static void fillpolygon(int npoints) { int z, zz, x1, y1, x2, y2, miny, maxy, y, xinc, cnt; int ox, oy, bx, by, day1, day2; intptr_t p; short *ptr, *ptr2; #if USE_POLYMOST && USE_OPENGL if (rendmode == 3) { polymost_fillpolygon(npoints); return; } #endif miny = 0x7fffffff; maxy = 0x80000000; for(z=npoints-1;z>=0;z--) { y = ry1[z]; miny = min(miny,y); maxy = max(maxy,y); } miny = (miny>>12); maxy = (maxy>>12); if (miny < 0) miny = 0; if (maxy >= ydim) maxy = ydim-1; ptr = smost; //They're pointers! - watch how you optimize this thing for(y=miny;y<=maxy;y++) { dotp1[y] = ptr; dotp2[y] = ptr+(MAXNODESPERLINE>>1); ptr += MAXNODESPERLINE; } for(z=npoints-1;z>=0;z--) { zz = xb1[z]; y1 = ry1[z]; day1 = (y1>>12); y2 = ry1[zz]; day2 = (y2>>12); if (day1 != day2) { x1 = rx1[z]; x2 = rx1[zz]; xinc = divscale12(x2-x1,y2-y1); if (day2 > day1) { x1 += mulscale12((day1<<12)+4095-y1,xinc); for(y=day1;y>12); x1 += xinc; } } else { x2 += mulscale12((day2<<12)+4095-y2,xinc); for(y=day2;y>12); x2 += xinc; } } } } globalx1 = mulscale16(globalx1,xyaspect); globaly2 = mulscale16(globaly2,xyaspect); oy = miny+1-(ydim>>1); globalposx += oy*globalx1; globalposy += oy*globaly2; setuphlineasm4(asm1,asm2); ptr = smost; for(y=miny;y<=maxy;y++) { cnt = dotp1[y]-ptr; ptr2 = ptr+(MAXNODESPERLINE>>1); for(z=cnt-1;z>=0;z--) { day1 = 0; day2 = 0; for(zz=z;zz>0;zz--) { if (ptr[zz] < ptr[day1]) day1 = zz; if (ptr2[zz] < ptr2[day2]) day2 = zz; } x1 = ptr[day1]; ptr[day1] = ptr[z]; x2 = ptr2[day2]-1; ptr2[day2] = ptr2[z]; if (x1 > x2) continue; if (globalpolytype < 1) { //maphline ox = x2+1-(xdim>>1); bx = ox*asm1 + globalposx; by = ox*asm2 - globalposy; p = ylookup[y]+x2+frameplace; hlineasm4(x2-x1,-1L,globalshade<<8,by,bx,(void *)p); } else { //maphline ox = x1+1-(xdim>>1); bx = ox*asm1 + globalposx; by = ox*asm2 - globalposy; p = ylookup[y]+x1+frameplace; if (globalpolytype == 1) mhline((void *)globalbufplc,bx,(x2-x1)<<16,0L,by,(void *)p); else { thline((void *)globalbufplc,bx,(x2-x1)<<16,0L,by,(void *)p); } } } globalposx += globalx1; globalposy += globaly2; ptr += MAXNODESPERLINE; } faketimerhandler(); } // // clippoly (internal) // static int clippoly(int npoints, int clipstat) { int z, zz, s1, s2, t, npoints2, start2, z1, z2, z3, z4, splitcnt; int cx1, cy1, cx2, cy2; cx1 = windowx1; cy1 = windowy1; cx2 = windowx2+1; cy2 = windowy2+1; cx1 <<= 12; cy1 <<= 12; cx2 <<= 12; cy2 <<= 12; if (clipstat&0xa) //Need to clip top or left { npoints2 = 0; start2 = 0; z = 0; splitcnt = 0; do { s2 = cx1-rx1[z]; do { zz = xb1[z]; xb1[z] = -1; s1 = s2; s2 = cx1-rx1[zz]; if (s1 < 0) { rx2[npoints2] = rx1[z]; ry2[npoints2] = ry1[z]; xb2[npoints2] = npoints2+1; npoints2++; } if ((s1^s2) < 0) { rx2[npoints2] = rx1[z]+scale(rx1[zz]-rx1[z],s1,s1-s2); ry2[npoints2] = ry1[z]+scale(ry1[zz]-ry1[z],s1,s1-s2); if (s1 < 0) p2[splitcnt++] = npoints2; xb2[npoints2] = npoints2+1; npoints2++; } z = zz; } while (xb1[z] >= 0); if (npoints2 >= start2+3) xb2[npoints2-1] = start2, start2 = npoints2; else npoints2 = start2; z = 1; while ((z < npoints) && (xb1[z] < 0)) z++; } while (z < npoints); if (npoints2 <= 2) return(0); for(z=1;z= 0); if (npoints >= start2+3) xb1[npoints-1] = start2, start2 = npoints; else npoints = start2; z = 1; while ((z < npoints2) && (xb2[z] < 0)) z++; } while (z < npoints2); if (npoints <= 2) return(0); for(z=1;z= 0); if (npoints2 >= start2+3) xb2[npoints2-1] = start2, start2 = npoints2; else npoints2 = start2; z = 1; while ((z < npoints) && (xb1[z] < 0)) z++; } while (z < npoints); if (npoints2 <= 2) return(0); for(z=1;z= 0); if (npoints >= start2+3) xb1[npoints-1] = start2, start2 = npoints; else npoints = start2; z = 1; while ((z < npoints2) && (xb2[z] < 0)) z++; } while (z < npoints2); if (npoints <= 2) return(0); for(z=1;z xres-1) cx2 = xres-1; if (cy2 > yres-1) cy2 = yres-1; xsiz = tilesizx[picnum]; ysiz = tilesizy[picnum]; if (dastat&16) { xoff = 0; yoff = 0; } else { xoff = (int)((signed char)((picanm[picnum]>>8)&255))+(xsiz>>1); yoff = (int)((signed char)((picanm[picnum]>>16)&255))+(ysiz>>1); } if (dastat&4) yoff = ysiz-yoff; cosang = sintable[(a+512)&2047]; sinang = sintable[a&2047]; if ((dastat&2) != 0) //Auto window size scaling { if ((dastat&8) == 0) { if (widescreen) { x = ydimenscale; //= scale(xdimen,yxaspect,320); sx = ((cx1+cx2+2)<<15)+scale(sx-(320<<15),ydimen<<16,200*pixelaspect); } else { x = xdimenscale; //= scale(xdimen,yxaspect,320); sx = ((cx1+cx2+2)<<15)+scale(sx-(320<<15),xdimen,320); } sy = ((cy1+cy2+2)<<15)+mulscale16(sy-(200<<15),x); } else { //If not clipping to startmosts, & auto-scaling on, as a //hard-coded bonus, scale to full screen instead if (widescreen) { x = scale(ydim<<16,yxaspect,200*pixelaspect); sx = (xdim<<15)+32768+scale(sx-(320<<15),ydim<<16,200*pixelaspect); } else { x = scale(xdim,yxaspect,320); sx = (xdim<<15)+32768+scale(sx-(320<<15),xdim,320); } sy = (ydim<<15)+32768+mulscale16(sy-(200<<15),x); } z = mulscale16(z,x); } xv = mulscale14(cosang,z); yv = mulscale14(sinang,z); if (((dastat&2) != 0) || ((dastat&8) == 0)) //Don't aspect unscaled perms { xv2 = mulscale16(xv,xyaspect); yv2 = mulscale16(yv,xyaspect); } else { xv2 = xv; yv2 = yv; } nry1[0] = sy - (yv*xoff + xv*yoff); nry1[1] = nry1[0] + yv*xsiz; nry1[3] = nry1[0] + xv*ysiz; nry1[2] = nry1[1]+nry1[3]-nry1[0]; i = (cy1<<16); if ((nry1[0]i) && (nry1[1]>i) && (nry1[2]>i) && (nry1[3]>i)) return; nrx1[0] = sx - (xv2*xoff - yv2*yoff); nrx1[1] = nrx1[0] + xv2*xsiz; nrx1[3] = nrx1[0] - yv2*ysiz; nrx1[2] = nrx1[1]+nrx1[3]-nrx1[0]; i = (cx1<<16); if ((nrx1[0]i) && (nrx1[1]>i) && (nrx1[2]>i) && (nrx1[3]>i)) return; gx1 = nrx1[0]; gy1 = nry1[0]; //back up these before clipping if ((npoints = clippoly4(cx1<<16,cy1<<16,(cx2+1)<<16,(cy2+1)<<16)) < 3) return; lx = nrx1[0]; rx = nrx1[0]; nextv = 0; for(v=npoints-1;v>=0;v--) { x1 = nrx1[v]; x2 = nrx1[nextv]; dax1 = (x1>>16); if (x1 < lx) lx = x1; dax2 = (x2>>16); if (x1 > rx) rx = x1; if (dax1 != dax2) { y1 = nry1[v]; y2 = nry1[nextv]; yinc = divscale16(y2-y1,x2-x1); if (dax2 > dax1) { yplc = y1 + mulscale16((dax1<<16)+65535-x1,yinc); qinterpolatedown16short(&uplc[dax1],dax2-dax1,yplc,yinc); } else { yplc = y2 + mulscale16((dax2<<16)+65535-x2,yinc); qinterpolatedown16short(&dplc[dax2],dax1-dax2,yplc,yinc); } } nextv = v; } if (waloff[picnum] == 0) loadtile(picnum); setgotpic(picnum); bufplc = waloff[picnum]; palookupoffs = (intptr_t)palookup[dapalnum] + (getpalookup(0L,(int)dashade)<<8); i = divscale32(1L,z); xv = mulscale14(sinang,i); yv = mulscale14(cosang,i); if (((dastat&2) != 0) || ((dastat&8) == 0)) //Don't aspect unscaled perms { yv2 = mulscale16(-xv,yxaspect); xv2 = mulscale16(yv,yxaspect); } else { yv2 = -xv; xv2 = yv; } x1 = (lx>>16); x2 = (rx>>16); oy = 0; x = (x1<<16)-1-gx1; y = (oy<<16)+65535-gy1; bx = dmulscale16(x,xv2,y,xv); by = dmulscale16(x,yv2,y,yv); if (dastat&4) { yv = -yv; yv2 = -yv2; by = (ysiz<<16)-1-by; } /* if (origbuffermode == 0) { if (dastat&128) { obuffermode = buffermode; buffermode = 0; setactivepage(activepage); } } else if (dastat&8) permanentupdate = 1; */ #ifndef ENGINE_USING_A_C if ((dastat&1) == 0) { if (((a&1023) == 0) && (ysiz <= 256)) //vlineasm4 has 256 high limit! { if (dastat&64) setupvlineasm(24L); else setupmvlineasm(24L); by <<= 8; yv <<= 8; yv2 <<= 8; palookupoffse[0] = palookupoffse[1] = palookupoffse[2] = palookupoffse[3] = palookupoffs; vince[0] = vince[1] = vince[2] = vince[3] = yv; for(x=x1;x y1) y1 = startumost[x+xx]; if (startdmost[x+xx] < y2) y2 = startdmost[x+xx]; } if (y2 <= y1) continue; by += yv*(y1-oy); oy = y1; bufplce[xx] = (bx>>16)*ysiz+bufplc; vplce[xx] = by; y1ve[xx] = y1; y2ve[xx] = y2-1; bad &= ~pow2char[xx]; } p = x+frameplace; u4 = max(max(y1ve[0],y1ve[1]),max(y1ve[2],y1ve[3])); d4 = min(min(y2ve[0],y2ve[1]),min(y2ve[2],y2ve[3])); if (dastat&64) { if ((bad != 0) || (u4 >= d4)) { if (!(bad&1)) prevlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+p+0)); if (!(bad&2)) prevlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+p+1)); if (!(bad&4)) prevlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+p+2)); if (!(bad&8)) prevlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+p+3)); continue; } if (u4 > y1ve[0]) vplce[0] = prevlineasm1(vince[0],(void *)palookupoffse[0],u4-y1ve[0]-1,vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+p+0)); if (u4 > y1ve[1]) vplce[1] = prevlineasm1(vince[1],(void *)palookupoffse[1],u4-y1ve[1]-1,vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+p+1)); if (u4 > y1ve[2]) vplce[2] = prevlineasm1(vince[2],(void *)palookupoffse[2],u4-y1ve[2]-1,vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+p+2)); if (u4 > y1ve[3]) vplce[3] = prevlineasm1(vince[3],(void *)palookupoffse[3],u4-y1ve[3]-1,vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+p+3)); if (d4 >= u4) vlineasm4(d4-u4+1,(void *)(ylookup[u4]+p)); i = p+ylookup[d4+1]; if (y2ve[0] > d4) prevlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-d4-1,vplce[0],(void *)bufplce[0],(void *)(i+0)); if (y2ve[1] > d4) prevlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-d4-1,vplce[1],(void *)bufplce[1],(void *)(i+1)); if (y2ve[2] > d4) prevlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-d4-1,vplce[2],(void *)bufplce[2],(void *)(i+2)); if (y2ve[3] > d4) prevlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-d4-1,vplce[3],(void *)bufplce[3],(void *)(i+3)); } else { if ((bad != 0) || (u4 >= d4)) { if (!(bad&1)) mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-y1ve[0],vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+p+0)); if (!(bad&2)) mvlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-y1ve[1],vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+p+1)); if (!(bad&4)) mvlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-y1ve[2],vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+p+2)); if (!(bad&8)) mvlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-y1ve[3],vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+p+3)); continue; } if (u4 > y1ve[0]) vplce[0] = mvlineasm1(vince[0],(void *)palookupoffse[0],u4-y1ve[0]-1,vplce[0],(void *)bufplce[0],(void *)(ylookup[y1ve[0]]+p+0)); if (u4 > y1ve[1]) vplce[1] = mvlineasm1(vince[1],(void *)palookupoffse[1],u4-y1ve[1]-1,vplce[1],(void *)bufplce[1],(void *)(ylookup[y1ve[1]]+p+1)); if (u4 > y1ve[2]) vplce[2] = mvlineasm1(vince[2],(void *)palookupoffse[2],u4-y1ve[2]-1,vplce[2],(void *)bufplce[2],(void *)(ylookup[y1ve[2]]+p+2)); if (u4 > y1ve[3]) vplce[3] = mvlineasm1(vince[3],(void *)palookupoffse[3],u4-y1ve[3]-1,vplce[3],(void *)bufplce[3],(void *)(ylookup[y1ve[3]]+p+3)); if (d4 >= u4) mvlineasm4(d4-u4+1,(void *)(ylookup[u4]+p)); i = p+ylookup[d4+1]; if (y2ve[0] > d4) mvlineasm1(vince[0],(void *)palookupoffse[0],y2ve[0]-d4-1,vplce[0],(void *)bufplce[0],(void *)(i+0)); if (y2ve[1] > d4) mvlineasm1(vince[1],(void *)palookupoffse[1],y2ve[1]-d4-1,vplce[1],(void *)bufplce[1],(void *)(i+1)); if (y2ve[2] > d4) mvlineasm1(vince[2],(void *)palookupoffse[2],y2ve[2]-d4-1,vplce[2],(void *)bufplce[2],(void *)(i+2)); if (y2ve[3] > d4) mvlineasm1(vince[3],(void *)palookupoffse[3],y2ve[3]-d4-1,vplce[3],(void *)bufplce[3],(void *)(i+3)); } faketimerhandler(); } } else { if (dastat&64) { if ((xv2&0x0000ffff) == 0) { qlinemode = 1; setupqrhlineasm4(0L,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),(void *)palookupoffs,0L,0L); } else { qlinemode = 0; setuprhlineasm4(xv2<<16,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),(void *)palookupoffs,ysiz,0L); } } else setuprmhlineasm4(xv2<<16,yv2<<16,(xv2>>16)*ysiz+(yv2>>16),(void *)palookupoffs,ysiz,0L); y1 = uplc[x1]; if (((dastat&8) == 0) && (startumost[x1] > y1)) y1 = startumost[x1]; y2 = y1; for(x=x1;x ny1) ny1 = startumost[x]-1; if (startdmost[x] < ny2) ny2 = startdmost[x]; } if (ny1 < ny2-1) { if (ny1 >= y2) { while (y1 < y2-1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,0L ,by<<16,(void *)(ylookup[y1]+x+frameplace)); else rhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x+frameplace)); } else rmhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x+frameplace)); } y1 = ny1; } else { while (y1 < ny1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,0L ,by<<16,(void *)(ylookup[y1]+x+frameplace)); else rhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x+frameplace)); } else rmhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x+frameplace)); } while (y1 > ny1) lastx[y1--] = x; } while (y2 > ny2) { y2--; if ((y2&31) == 0) faketimerhandler(); //x,y2 bx += xv*(y2-oy); by += yv*(y2-oy); oy = y2; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y2],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,0L ,by<<16,(void *)(ylookup[y2]+x+frameplace)); else rhlineasm4(x-lastx[y2],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y2]+x+frameplace)); } else rmhlineasm4(x-lastx[y2],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y2]+x+frameplace)); } while (y2 < ny2) lastx[y2++] = x; } else { while (y1 < y2-1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,0L ,by<<16,(void *)(ylookup[y1]+x+frameplace)); else rhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x+frameplace)); } else rmhlineasm4(x-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x+frameplace)); } if (x == x2-1) { bx += xv2; by += yv2; break; } y1 = uplc[x+1]; if (((dastat&8) == 0) && (startumost[x+1] > y1)) y1 = startumost[x+1]; y2 = y1; } bx += xv2; by += yv2; } while (y1 < y2-1) { y1++; if ((y1&31) == 0) faketimerhandler(); //x2,y1 bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; if (dastat&64) { if (qlinemode) qrhlineasm4(x2-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,0L,by<<16,(void *)(ylookup[y1]+x2+frameplace)); else rhlineasm4(x2-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x2+frameplace)); } else rmhlineasm4(x2-lastx[y1],(void *)((bx>>16)*ysiz+(by>>16)+bufplc),0L,bx<<16,by<<16,(void *)(ylookup[y1]+x2+frameplace)); } } } else { if ((dastat&1) == 0) { if (dastat&64) setupspritevline((void *)palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); else msetupspritevline((void *)palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); } else { tsetupspritevline((void *)palookupoffs,(xv>>16)*ysiz,xv<<16,ysiz,yv,0L); if (dastat&32) settransreverse(); else settransnormal(); } for(x=x1;x y1) y1 = startumost[x]; if (startdmost[x] < y2) y2 = startdmost[x]; } if (y2 <= y1) continue; switch(y1-oy) { case -1: bx -= xv; by -= yv; oy = y1; break; case 0: break; case 1: bx += xv; by += yv; oy = y1; break; default: bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; break; } p = ylookup[y1]+x+frameplace; if ((dastat&1) == 0) { if (dastat&64) spritevline(0L,by<<16,y2-y1+1,bx<<16,(void *)((bx>>16)*ysiz+(by>>16)+bufplc),(void *)p); else mspritevline(0L,by<<16,y2-y1+1,bx<<16,(void *)((bx>>16)*ysiz+(by>>16)+bufplc),(void *)p); } else { tspritevline(0L,by<<16,y2-y1+1,bx<<16,(void *)((bx>>16)*ysiz+(by>>16)+bufplc),(void *)p); } faketimerhandler(); } } #else // ENGINE_USING_A_C if ((dastat&1) == 0) { if (dastat&64) setupspritevline((void *)palookupoffs,xv,yv,ysiz); else msetupspritevline((void *)palookupoffs,xv,yv,ysiz); } else { tsetupspritevline((void *)palookupoffs,xv,yv,ysiz); if (dastat&32) settransreverse(); else settransnormal(); } for(x=x1;x y1) y1 = startumost[x]; if (startdmost[x] < y2) y2 = startdmost[x]; } if (y2 <= y1) continue; switch(y1-oy) { case -1: bx -= xv; by -= yv; oy = y1; break; case 0: break; case 1: bx += xv; by += yv; oy = y1; break; default: bx += xv*(y1-oy); by += yv*(y1-oy); oy = y1; break; } p = ylookup[y1]+x+frameplace; if ((dastat&1) == 0) { if (dastat&64) spritevline(bx&65535,by&65535,y2-y1+1,(void *)((bx>>16)*ysiz+(by>>16)+bufplc),(void *)p); else mspritevline(bx&65535,by&65535,y2-y1+1,(void *)((bx>>16)*ysiz+(by>>16)+bufplc),(void *)p); } else { tspritevline(bx&65535,by&65535,y2-y1+1,(void *)((bx>>16)*ysiz+(by>>16)+bufplc),(void *)p); //transarea += (y2-y1); } faketimerhandler(); } #endif /* if ((dastat&128) && (origbuffermode == 0)) { buffermode = obuffermode; setactivepage(activepage); }*/ } // // initksqrt (internal) // static void initksqrt(void) { int i, j, k; j = 1; k = 0; for(i=0;i<4096;i++) { if (i >= j) { j <<= 2; k++; } sqrtable[i] = (unsigned short)(msqrtasm((i<<18)+131072)<<1); shlookup[i] = (k<<1)+((10-k)<<8); if (i < 256) shlookup[i+4096] = ((k+6)<<1)+((10-(k+6))<<8); } } // // dosetaspect // static void dosetaspect(void) { int i, j, k, x, xinc,a; if (xyaspect != oxyaspect) { oxyaspect = xyaspect; j = xyaspect*320; horizlookup2[horizycent-1] = divscale26(131072,j); for(i=ydim*4-1;i>=0;i--) if (i != (horizycent-1)) { horizlookup[i] = divscale28(1,i-(horizycent-1)); horizlookup2[i] = divscale14(klabs(horizlookup[i]),j); } } if ((xdimen != oxdimen) || (viewingrange != oviewingrange)) { oxdimen = xdimen; oviewingrange = viewingrange; xinc = mulscale32(viewingrange*320,xdimenrecip); x = (640<<16)-mulscale1(xinc,xdimen); for(i=0;i>16); x += xinc; if (j != 0) j = mulscale16((int)radarang[k+1]-(int)radarang[k],j); radarang2[i] = (short)(((int)radarang[k]+j)>>6); } for(i=1;i<65536;i++) distrecip[i] = divscale20(xdimen,i); nytooclose = xdimen*2100; nytoofar = 65536*16384-1048576; } } // // loadtables (internal) // static void calcbritable(void) { int i,j; double a,b; for(i=0;i<16;i++) { a = (double)8 / ((double)i+8); b = (double)255 / pow((double)255,a); for(j=0;j<256;j++) // JBF 20040207: full 8bit precision britable[i][j] = (unsigned char)(pow((double)j,a)*b); } } static int loadtables(void) { int i; initksqrt(); for(i=0;i<2048;i++) { sintable[i] = (short)(16384*sin((double)i*3.14159265358979/1024)); reciptable[i] = divscale30(2048L,i+2048); } for(i=0;i<640;i++) { radarang[i] = (short)(atan(((double)i-639.5)/160)*64*1024/3.14159265358979); radarang[1279-i] = -radarang[i]; } calcbritable(); if (crc32once((unsigned char *)sintable, sizeof(sintable)) != 0xee1e7aba) { engineerrstr = "Calculation of sintable yielded unexpected results."; return 1; } if (crc32once((unsigned char *)radarang, sizeof(radarang)/2) != 0xee893d92) { engineerrstr = "Calculation of radarang yielded unexpected results."; return 1; } return 0; } // // initfastcolorlookup (internal) // static void initfastcolorlookup(int rscale, int gscale, int bscale) { int i, j, x, y, z; unsigned char *pal1; j = 0; for(i=64;i>=0;i--) { //j = (i-64)*(i-64); rdist[i] = rdist[128-i] = j*rscale; gdist[i] = gdist[128-i] = j*gscale; bdist[i] = bdist[128-i] = j*bscale; j += 129-(i<<1); } //clearbufbyte(colhere,sizeof(colhere),0L); //clearbufbyte(colhead,sizeof(colhead),0L); Bmemset(colhere,0,sizeof(colhere)); Bmemset(colhead,0,sizeof(colhead)); pal1 = &palette[768-3]; for(i=255;i>=0;i--,pal1-=3) { j = (pal1[0]>>3)*FASTPALGRIDSIZ*FASTPALGRIDSIZ+(pal1[1]>>3)*FASTPALGRIDSIZ+(pal1[2]>>3)+FASTPALGRIDSIZ*FASTPALGRIDSIZ+FASTPALGRIDSIZ+1; if (colhere[j>>3]&pow2char[j&7]) colnext[i] = colhead[j]; else colnext[i] = -1; colhead[j] = i; colhere[j>>3] |= pow2char[j&7]; } i = 0; for(x=-FASTPALGRIDSIZ*FASTPALGRIDSIZ;x<=FASTPALGRIDSIZ*FASTPALGRIDSIZ;x+=FASTPALGRIDSIZ*FASTPALGRIDSIZ) for(y=-FASTPALGRIDSIZ;y<=FASTPALGRIDSIZ;y+=FASTPALGRIDSIZ) for(z=-1;z<=1;z++) colscan[i++] = x+y+z; i = colscan[13]; colscan[13] = colscan[26]; colscan[26] = i; } // // loadpalette (internal) // static int loadpalette(void) { int fil = -1, flen, i; if ((fil = kopen4load("palette.dat",0)) < 0) goto badpalette; flen = kfilelength(fil); if (kread(fil,palette,768) != 768) { buildputs("loadpalette: truncated palette\n"); goto badpalette; } if ((flen - 65536 - 2 - 768) % 256 == 0) { // Map format 7+ palette. if (kread(fil,&numpalookups,2) != 2) { buildputs("loadpalette: read error\n"); goto badpalette; } numpalookups = B_LITTLE16(numpalookups); } else if ((flen - 32640 - 768) % 256 == 0) { // Old format palette. numpalookups = (flen - 32640 - 768) >> 8; buildprintf("loadpalette: old format palette (%d shades)\n", numpalookups); goto badpalette; } else { buildprintf("loadpalette: damaged palette\n"); goto badpalette; } if ((palookup[0] = kmalloc(numpalookups<<8)) == NULL) { engineerrstr = "Failed to allocate palette memory"; kclose(fil); return 1; } if ((transluc = kmalloc(65536L)) == NULL) { engineerrstr = "Failed to allocate translucency memory"; kclose(fil); return 1; } globalpalwritten = palookup[0]; globalpal = 0; setpalookupaddress(globalpalwritten); fixtransluscence(transluc); kread(fil,palookup[globalpal],numpalookups<<8); kread(fil,transluc,65536); kclose(fil); initfastcolorlookup(30L,59L,11L); return 0; badpalette: engineerrstr = "Failed to load PALETTE.DAT!"; if (fil >= 0) kclose(fil); return 1; } // // getclosestcol // int getclosestcol(int r, int g, int b) { int i, j, k, dist, mindist, retcol; unsigned char *pal1; j = (r>>3)*FASTPALGRIDSIZ*FASTPALGRIDSIZ+(g>>3)*FASTPALGRIDSIZ+(b>>3)+FASTPALGRIDSIZ*FASTPALGRIDSIZ+FASTPALGRIDSIZ+1; mindist = min(rdist[coldist[r&7]+64+8],gdist[coldist[g&7]+64+8]); mindist = min(mindist,bdist[coldist[b&7]+64+8]); mindist++; r = 64-r; g = 64-g; b = 64-b; retcol = -1; for(k=26;k>=0;k--) { i = colscan[k]+j; if ((colhere[i>>3]&pow2char[i&7]) == 0) continue; i = colhead[i]; do { pal1 = &palette[i*3]; dist = gdist[pal1[1]+g]; if (dist < mindist) { dist += rdist[pal1[0]+r]; if (dist < mindist) { dist += bdist[pal1[2]+b]; if (dist < mindist) { mindist = dist; retcol = i; } } } i = colnext[i]; } while (i >= 0); } if (retcol >= 0) return(retcol); mindist = 0x7fffffff; pal1 = &palette[768-3]; for(i=255;i>=0;i--,pal1-=3) { dist = gdist[pal1[1]+g]; if (dist >= mindist) continue; dist += rdist[pal1[0]+r]; if (dist >= mindist) continue; dist += bdist[pal1[2]+b]; if (dist >= mindist) continue; mindist = dist; retcol = i; } return(retcol); } // // insertspritesect (internal) // static int insertspritesect(short sectnum) { short blanktouse; if ((sectnum >= MAXSECTORS) || (headspritesect[MAXSECTORS] == -1)) return(-1); //list full blanktouse = headspritesect[MAXSECTORS]; headspritesect[MAXSECTORS] = nextspritesect[blanktouse]; if (headspritesect[MAXSECTORS] >= 0) prevspritesect[headspritesect[MAXSECTORS]] = -1; prevspritesect[blanktouse] = -1; nextspritesect[blanktouse] = headspritesect[sectnum]; if (headspritesect[sectnum] >= 0) prevspritesect[headspritesect[sectnum]] = blanktouse; headspritesect[sectnum] = blanktouse; sprite[blanktouse].sectnum = sectnum; return(blanktouse); } // // insertspritestat (internal) // static int insertspritestat(short statnum) { short blanktouse; if ((statnum >= MAXSTATUS) || (headspritestat[MAXSTATUS] == -1)) return(-1); //list full blanktouse = headspritestat[MAXSTATUS]; headspritestat[MAXSTATUS] = nextspritestat[blanktouse]; if (headspritestat[MAXSTATUS] >= 0) prevspritestat[headspritestat[MAXSTATUS]] = -1; prevspritestat[blanktouse] = -1; nextspritestat[blanktouse] = headspritestat[statnum]; if (headspritestat[statnum] >= 0) prevspritestat[headspritestat[statnum]] = blanktouse; headspritestat[statnum] = blanktouse; sprite[blanktouse].statnum = statnum; return(blanktouse); } // // deletespritesect (internal) // static int deletespritesect(short deleteme) { if (sprite[deleteme].sectnum == MAXSECTORS) return(-1); if (headspritesect[sprite[deleteme].sectnum] == deleteme) headspritesect[sprite[deleteme].sectnum] = nextspritesect[deleteme]; if (prevspritesect[deleteme] >= 0) nextspritesect[prevspritesect[deleteme]] = nextspritesect[deleteme]; if (nextspritesect[deleteme] >= 0) prevspritesect[nextspritesect[deleteme]] = prevspritesect[deleteme]; if (headspritesect[MAXSECTORS] >= 0) prevspritesect[headspritesect[MAXSECTORS]] = deleteme; prevspritesect[deleteme] = -1; nextspritesect[deleteme] = headspritesect[MAXSECTORS]; headspritesect[MAXSECTORS] = deleteme; sprite[deleteme].sectnum = MAXSECTORS; return(0); } // // deletespritestat (internal) // static int deletespritestat(short deleteme) { if (sprite[deleteme].statnum == MAXSTATUS) return(-1); if (headspritestat[sprite[deleteme].statnum] == deleteme) headspritestat[sprite[deleteme].statnum] = nextspritestat[deleteme]; if (prevspritestat[deleteme] >= 0) nextspritestat[prevspritestat[deleteme]] = nextspritestat[deleteme]; if (nextspritestat[deleteme] >= 0) prevspritestat[nextspritestat[deleteme]] = prevspritestat[deleteme]; if (headspritestat[MAXSTATUS] >= 0) prevspritestat[headspritestat[MAXSTATUS]] = deleteme; prevspritestat[deleteme] = -1; nextspritestat[deleteme] = headspritestat[MAXSTATUS]; headspritestat[MAXSTATUS] = deleteme; sprite[deleteme].statnum = MAXSTATUS; return(0); } // // lintersect (internal) // static int lintersect(int x1, int y1, int z1, int x2, int y2, int z2, int x3, int y3, int x4, int y4, int *intx, int *inty, int *intz) { //p1 to p2 is a line segment int x21, y21, x34, y34, x31, y31, bot, topt, topu, t; x21 = x2-x1; x34 = x3-x4; y21 = y2-y1; y34 = y3-y4; bot = x21*y34 - y21*x34; if (bot >= 0) { if (bot == 0) return(0); x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if ((topt < 0) || (topt >= bot)) return(0); topu = x21*y31 - y21*x31; if ((topu < 0) || (topu >= bot)) return(0); } else { x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if ((topt > 0) || (topt <= bot)) return(0); topu = x21*y31 - y21*x31; if ((topu > 0) || (topu <= bot)) return(0); } t = divscale24(topt,bot); *intx = x1 + mulscale24(x21,t); *inty = y1 + mulscale24(y21,t); *intz = z1 + mulscale24(z2-z1,t); return(1); } // // rintersect (internal) // static int rintersect(int x1, int y1, int z1, int vx, int vy, int vz, int x3, int y3, int x4, int y4, int *intx, int *inty, int *intz) { //p1 towards p2 is a ray int x34, y34, x31, y31, bot, topt, topu, t; x34 = x3-x4; y34 = y3-y4; bot = vx*y34 - vy*x34; if (bot >= 0) { if (bot == 0) return(0); x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if (topt < 0) return(0); topu = vx*y31 - vy*x31; if ((topu < 0) || (topu >= bot)) return(0); } else { x31 = x3-x1; y31 = y3-y1; topt = x31*y34 - y31*x34; if (topt > 0) return(0); topu = vx*y31 - vy*x31; if ((topu > 0) || (topu <= bot)) return(0); } t = divscale16(topt,bot); *intx = x1 + mulscale16(vx,t); *inty = y1 + mulscale16(vy,t); *intz = z1 + mulscale16(vz,t); return(1); } // // keepaway (internal) // static void keepaway (int *x, int *y, int w) { int dx, dy, ox, oy, x1, y1; char first; x1 = clipit[w].x1; dx = clipit[w].x2-x1; y1 = clipit[w].y1; dy = clipit[w].y2-y1; ox = ksgn(-dy); oy = ksgn(dx); first = (klabs(dx) <= klabs(dy)); while (1) { if (dx*(*y-y1) > (*x-x1)*dy) return; if (first == 0) *x += ox; else *y += oy; first ^= 1; } } // // raytrace (internal) // static int raytrace(int x3, int y3, int *x4, int *y4) { int x1, y1, x2, y2, bot, topu, nintx, ninty, cnt, z, hitwall; int x21, y21, x43, y43; hitwall = -1; for(z=clipnum-1;z>=0;z--) { x1 = clipit[z].x1; x2 = clipit[z].x2; x21 = x2-x1; y1 = clipit[z].y1; y2 = clipit[z].y2; y21 = y2-y1; topu = x21*(y3-y1) - (x3-x1)*y21; if (topu <= 0) continue; if (x21*(*y4-y1) > (*x4-x1)*y21) continue; x43 = *x4-x3; y43 = *y4-y3; if (x43*(y1-y3) > (x1-x3)*y43) continue; if (x43*(y2-y3) <= (x2-x3)*y43) continue; bot = x43*y21 - x21*y43; if (bot == 0) continue; cnt = 256; do { cnt--; if (cnt < 0) { *x4 = x3; *y4 = y3; return(z); } nintx = x3 + scale(x43,topu,bot); ninty = y3 + scale(y43,topu,bot); topu--; } while (x21*(ninty-y1) <= (nintx-x1)*y21); if (klabs(x3-nintx)+klabs(y3-ninty) < klabs(x3-*x4)+klabs(y3-*y4)) { *x4 = nintx; *y4 = ninty; hitwall = z; } } return(hitwall); } // // Exported Engine Functions // #if !defined _WIN32 && defined DEBUGGINGAIDS #include static void sighandler(int sig, siginfo_t *info, void *ctx) { const char *s; switch (sig) { case SIGFPE: switch (info->si_code) { case FPE_INTDIV: s = "FPE_INTDIV (integer divide by zero)"; break; case FPE_INTOVF: s = "FPE_INTOVF (integer overflow)"; break; case FPE_FLTDIV: s = "FPE_FLTDIV (floating-point divide by zero)"; break; case FPE_FLTOVF: s = "FPE_FLTOVF (floating-point overflow)"; break; case FPE_FLTUND: s = "FPE_FLTUND (floating-point underflow)"; break; case FPE_FLTRES: s = "FPE_FLTRES (floating-point inexact result)"; break; case FPE_FLTINV: s = "FPE_FLTINV (floating-point invalid operation)"; break; case FPE_FLTSUB: s = "FPE_FLTSUB (floating-point subscript out of range)"; break; default: s = "?! (unknown)"; break; } fprintf(stderr, "Caught SIGFPE at address %p, code %s. Aborting.\n", info->si_addr, s); break; default: break; } abort(); } #endif // // preinitengine // static int preinitcalled = 0; int preinitengine(void) { char *e; char compiler[30] = "an unidentified compiler"; #if defined(_MSC_VER) sprintf(compiler, "MS Visual C++ %d.%02d", _MSC_VER/100, _MSC_VER%100); #elif defined(__clang__) sprintf(compiler, "Clang %d.%d", __clang_major__, __clang_minor__); #elif defined(__GNUC__) sprintf(compiler, "GCC %d.%d", __GNUC__, __GNUC_MINOR__); #endif buildprintf("\nBUILD engine by Ken Silverman (http://www.advsys.net/ken)\n" "Additional improvements by Jonathon Fowler (http://www.jonof.id.au)\n" "and other contributors. See BUILDLIC.TXT for terms.\n\n" "Version %s.\nBuilt %s %s using %s.\n%d-bit word size.\n\n", build_version, build_date, build_time, compiler, (int)(sizeof(intptr_t)<<3)); // Detect anomalous structure packing. assert(sizeof(sectortype) == 40); assert((intptr_t)§or[1] - (intptr_t)§or[0] == sizeof(sectortype)); assert(sizeof(walltype) == 32); assert((intptr_t)&wall[1] - (intptr_t)&wall[0] == sizeof(walltype)); assert(sizeof(spritetype) == 44); assert((intptr_t)&sprite[1] - (intptr_t)&sprite[0] == sizeof(spritetype)); assert(sizeof(spriteexttype) == 12); assert((intptr_t)&spriteext[1] - (intptr_t)&spriteext[0] == sizeof(spriteexttype)); if (initsystem()) exit(1); makeasmwriteable(); if ((e = Bgetenv("BUILD_NOP6")) != NULL) if (!Bstrcasecmp(e, "TRUE")) { buildprintf("Disabling P6 optimizations.\n"); dommxoverlay = 0; } if (dommxoverlay) mmxoverlay(); validmodecnt = 0; getvalidmodes(); initcrc32table(); preinitcalled = 1; return 0; } // // initengine // int initengine(void) { int i, j; #if !defined _WIN32 && defined DEBUGGINGAIDS struct sigaction sigact, oldact; memset(&sigact, 0, sizeof(sigact)); sigact.sa_sigaction = sighandler; sigact.sa_flags = SA_SIGINFO; sigaction(SIGFPE, &sigact, &oldact); #endif if (!preinitcalled) { i = preinitengine(); if (i) return i; } xyaspect = -1; pskyoff[0] = 0; pskybits = 0; parallaxtype = 2; parallaxyoffs = 0L; parallaxyscale = 65536; showinvisibility = 0; for(i=1;i<1024;i++) lowrecip[i] = ((1<<24)-1)/i; for(i=0;i>2,65536L); #if USE_POLYMOST polymost_initosdfuncs(); #endif searchit = 0; searchstat = -1; for(i=0;i>5),0L); clearbuf(&show2dsprite[0],(int)((MAXSPRITES+3)>>5),0L); clearbuf(&show2dwall[0],(int)((MAXWALLS+3)>>5),0L); automapping = 0; pointhighlight = -1; linehighlight = -1; highlightcnt = 0; totalclock = 0; visibility = 512; parallaxvisibility = 512; captureformat = 0; if (loadtables()) return 1; if (loadpalette()) return 1; #if USE_POLYMOST && USE_OPENGL if (!hicfirstinit) hicinit(); if (!mdinited) mdinit(); PTCacheLoadIndex(); #endif return 0; } // // uninitengine // void uninitengine(void) { int i; //buildprintf("cacheresets = %d, cacheinvalidates = %d\n", cacheresets, cacheinvalidates); #if USE_POLYMOST && USE_OPENGL polymost_glreset(); PTClear(); PTCacheUnloadIndex(); hicinit(); freeallmodels(); #endif uninitsystem(); if (logfile) Bfclose(logfile); logfile = NULL; if (artfil != -1) kclose(artfil); if (transluc != NULL) { kfree(transluc); transluc = NULL; } if (pic != NULL) { kfree(pic); pic = NULL; } if (lookups != NULL) { kfree(lookups); lookups = NULL; } for(i=0;i>1); globaluclip = (0-globalhoriz)*xdimscale; globaldclip = (ydimen-globalhoriz)*xdimscale; i = mulscale16(xdimenscale,viewingrangerecip); globalpisibility = mulscale16(parallaxvisibility,i); globalvisibility = mulscale16(visibility,i); globalhisibility = mulscale16(globalvisibility,xyaspect); globalcisibility = mulscale8(globalhisibility,320); globalcursectnum = dacursectnum; totalclocklock = totalclock; cosglobalang = sintable[(globalang+512)&2047]; singlobalang = sintable[globalang&2047]; cosviewingrangeglobalang = mulscale16(cosglobalang,viewingrange); sinviewingrangeglobalang = mulscale16(singlobalang,viewingrange); if ((xyaspect != oxyaspect) || (xdimen != oxdimen) || (viewingrange != oviewingrange)) dosetaspect(); //clearbufbyte(&gotsector[0],(int)((numsectors+7)>>3),0L); Bmemset(&gotsector[0],0,(int)((numsectors+7)>>3)); shortptr1 = (short *)&startumost[windowx1]; shortptr2 = (short *)&startdmost[windowx1]; i = xdimen-1; do { umost[i] = shortptr1[i]-windowy1; dmost[i] = shortptr2[i]-windowy1; i--; } while (i != 0); umost[0] = shortptr1[0]-windowy1; dmost[0] = shortptr2[0]-windowy1; //============================================================================= //POLYMOST BEGINS #if USE_POLYMOST polymost_drawrooms(); if (rendmode) { return; } #endif //============================================================================= //POLYMOST ENDS begindrawing(); //{{{ frameoffset = frameplace + windowy1*bytesperline + windowx1; numhits = xdimen; numscans = 0; numbunches = 0; maskwallcnt = 0; smostwallcnt = 0; smostcnt = 0; spritesortcnt = 0; if (globalcursectnum >= MAXSECTORS) globalcursectnum -= MAXSECTORS; else { i = globalcursectnum; updatesector(globalposx,globalposy,&globalcursectnum); if (globalcursectnum < 0) globalcursectnum = i; } globparaceilclip = 1; globparaflorclip = 1; getzsofslope(globalcursectnum,globalposx,globalposy,&cz,&fz); if (globalposz < cz) globparaceilclip = 0; if (globalposz > fz) globparaflorclip = 0; scansector(globalcursectnum); if (inpreparemirror) { inpreparemirror = 0; mirrorsx1 = xdimen-1; mirrorsx2 = 0; for(i=numscans-1;i>=0;i--) { if (wall[thewall[i]].nextsector < 0) continue; if (xb1[i] < mirrorsx1) mirrorsx1 = xb1[i]; if (xb2[i] > mirrorsx2) mirrorsx2 = xb2[i]; } for(i=0;i 0) && (numhits > 0)) { clearbuf(&tempbuf[0],(int)((numbunches+3)>>2),0L); tempbuf[0] = 1; closest = 0; //Almost works, but not quite :( for(i=1;i=0;z=p2[z]) show2dwall[thewall[z]>>3] |= pow2char[thewall[z]&7]; } numbunches--; bunchfirst[closest] = bunchfirst[numbunches]; bunchlast[closest] = bunchlast[numbunches]; } enddrawing(); //}}} } // // drawmasks // void drawmasks(void) { int i, j, k, l, gap, xs, ys, xp, yp, yoff, yspan; for(i=spritesortcnt-1;i>=0;i--) tspriteptr[i] = &tsprite[i]; for(i=spritesortcnt-1;i>=0;i--) { xs = tspriteptr[i]->x-globalposx; ys = tspriteptr[i]->y-globalposy; yp = dmulscale6(xs,cosviewingrangeglobalang,ys,sinviewingrangeglobalang); if (yp > (4<<8)) { xp = dmulscale6(ys,cosglobalang,-xs,singlobalang); if (mulscale24(labs(xp+yp),xdimen) >= yp) goto killsprite; spritesx[i] = scale(xp+yp,xdimen<<7,yp); } else if ((tspriteptr[i]->cstat&48) == 0) { killsprite: spritesortcnt--; //Delete face sprite if on wrong side! if (i != spritesortcnt) { tspriteptr[i] = tspriteptr[spritesortcnt]; spritesx[i] = spritesx[spritesortcnt]; spritesy[i] = spritesy[spritesortcnt]; } continue; } spritesy[i] = yp; } gap = 1; while (gap < spritesortcnt) gap = (gap<<1)+1; for(gap>>=1;gap>0;gap>>=1) //Sort sprite list for(i=0;i=0;l-=gap) { if (spritesy[l] <= spritesy[l+gap]) break; swaplong(&tspriteptr[l],&tspriteptr[l+gap]); swaplong(&spritesx[l],&spritesx[l+gap]); swaplong(&spritesy[l],&spritesy[l+gap]); } if (spritesortcnt > 0) spritesy[spritesortcnt] = (spritesy[spritesortcnt-1]^1); ys = spritesy[0]; i = 0; for(j=1;j<=spritesortcnt;j++) { if (spritesy[j] == ys) continue; ys = spritesy[j]; if (j > i+1) { for(k=i;kz; if ((tspriteptr[k]->cstat&48) != 32) { yoff = (int)((signed char)((picanm[tspriteptr[k]->picnum]>>16)&255))+((int)tspriteptr[k]->yoffset); spritesz[k] -= ((yoff*tspriteptr[k]->yrepeat)<<2); yspan = (tilesizy[tspriteptr[k]->picnum]*tspriteptr[k]->yrepeat<<2); if (!(tspriteptr[k]->cstat&128)) spritesz[k] -= (yspan>>1); if (klabs(spritesz[k]-globalposz) < (yspan>>1)) spritesz[k] = globalposz; } } for(k=i+1;kstatnum < tspriteptr[l]->statnum) { swaplong(&tspriteptr[k],&tspriteptr[l]); swaplong(&spritesx[k],&spritesx[l]); swaplong(&spritesy[k],&spritesy[l]); } } i = j; } begindrawing(); //{{{ /*for(i=spritesortcnt-1;i>=0;i--) { xs = tspriteptr[i].x-globalposx; ys = tspriteptr[i].y-globalposy; zs = tspriteptr[i].z-globalposz; xp = ys*cosglobalang-xs*singlobalang; yp = (zs<<1); zp = xs*cosglobalang+ys*singlobalang; xs = scale(xp,halfxdimen<<12,zp)+((halfxdimen+windowx1)<<12); ys = scale(yp,xdimenscale<<12,zp)+((globalhoriz+windowy1)<<12); drawline256(xs-65536,ys-65536,xs+65536,ys+65536,31); drawline256(xs+65536,ys-65536,xs-65536,ys+65536,31); }*/ #if USE_POLYMOST //Hack to make it draw all opaque quads first. This should reduce the chances of //bad sorting causing transparent quads knocking out opaque quads behind it. // //Need to store alpha flag with all textures before this works right! if (rendmode > 0) { for(i=spritesortcnt-1;i>=0;i--) if ((!(tspriteptr[i]->cstat&2)) #if USE_OPENGL && (!polymost_texmayhavealpha(tspriteptr[i]->picnum,tspriteptr[i]->pal)) #endif ) { drawsprite(i); tspriteptr[i] = 0; } //draw only if it is fully opaque for(i=j=0;i=0;i--) { k = thewall[maskwall[i]]; if ((!(wall[k].cstat&128)) #if USE_OPENGL && (!polymost_texmayhavealpha(wall[k].overpicnum,wall[k].pal)) #endif ) { drawmaskwall(i); maskwall[i] = -1; } //draw only if it is fully opaque } for(i=j=0;i 0) && (maskwallcnt > 0)) //While BOTH > 0 { j = maskwall[maskwallcnt-1]; if (spritewallfront(tspriteptr[spritesortcnt-1],(int)thewall[j]) == 0) drawsprite(--spritesortcnt); else { //Check to see if any sprites behind the masked wall... k = -1; gap = 0; for(i=spritesortcnt-2;i>=0;i--) { #if USE_POLYMOST if (rendmode > 0) l = dxb1[j] <= (double)spritesx[i]/256.0 && (double)spritesx[i]/256.0 <= dxb2[j]; else #endif l = xb1[j] <= (spritesx[i]>>8) && (spritesx[i]>>8) <= xb2[j]; if (l && spritewallfront(tspriteptr[i],(int)thewall[j]) == 0) { drawsprite(i); tspriteptr[i]->owner = -1; k = i; gap++; } } if (k >= 0) //remove holes in sprite list { for(i=k;iowner >= 0) { if (i > k) { tspriteptr[k] = tspriteptr[i]; spritesx[k] = spritesx[i]; spritesy[k] = spritesy[i]; } k++; } spritesortcnt -= gap; } //finally safe to draw the masked wall drawmaskwall(--maskwallcnt); } } while (spritesortcnt > 0) drawsprite(--spritesortcnt); while (maskwallcnt > 0) drawmaskwall(--maskwallcnt); enddrawing(); //}}} } // // drawmapview // void drawmapview(int dax, int day, int zoome, short ang) { walltype *wal; sectortype *sec; spritetype *spr; int tilenum, xoff, yoff, i, j, k, l, cosang, sinang, xspan, yspan; int xrepeat, yrepeat, x, y, x1, y1, x2, y2, x3, y3, x4, y4, bakx1, baky1; int s, w, ox, oy, startwall, cx1, cy1, cx2, cy2; int bakgxvect, bakgyvect, sortnum, gap, npoints; int xvect, yvect, xvect2, yvect2, daslope; beforedrawrooms = 0; clearbuf(&gotsector[0],(int)((numsectors+31)>>5),0L); cx1 = (windowx1<<12); cy1 = (windowy1<<12); cx2 = ((windowx2+1)<<12)-1; cy2 = ((windowy2+1)<<12)-1; zoome <<= 8; bakgxvect = divscale28(sintable[(1536-ang)&2047],zoome); bakgyvect = divscale28(sintable[(2048-ang)&2047],zoome); xvect = mulscale8(sintable[(2048-ang)&2047],zoome); yvect = mulscale8(sintable[(1536-ang)&2047],zoome); xvect2 = mulscale16(xvect,yxaspect); yvect2 = mulscale16(yvect,yxaspect); sortnum = 0; begindrawing(); //{{{ for(s=0,sec=§or[s];s>3]&pow2char[s&7]) { npoints = 0; i = 0; startwall = sec->wallptr; #if 0 for(w=sec->wallnum,wal=&wall[startwall];w>0;w--,wal++) { ox = wal->x - dax; oy = wal->y - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[npoints] = x; ry1[npoints] = y; xb1[npoints] = wal->point2 - startwall; npoints++; } #else j = startwall; l = 0; for(w=sec->wallnum,wal=&wall[startwall];w>0;w--,wal++,j++) { k = lastwall(j); if ((k > j) && (npoints > 0)) { xb1[npoints-1] = l; l = npoints; } //overwrite point2 //wall[k].x wal->x wall[wal->point2].x //wall[k].y wal->y wall[wal->point2].y if (!dmulscale1(wal->x-wall[k].x,wall[wal->point2].y-wal->y,-(wal->y-wall[k].y),wall[wal->point2].x-wal->x)) continue; ox = wal->x - dax; oy = wal->y - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[npoints] = x; ry1[npoints] = y; xb1[npoints] = npoints+1; npoints++; } if (npoints > 0) xb1[npoints-1] = l; //overwrite point2 #endif if ((i&0xf0) != 0xf0) continue; bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11); if (i&0x0f) { npoints = clippoly(npoints,i); if (npoints < 3) continue; } //Collect floor sprites to draw for(i=headspritesect[s];i>=0;i=nextspritesect[i]) if ((sprite[i].cstat&48) == 32) { if ((sprite[i].cstat&(64+8)) == (64+8)) continue; tsprite[sortnum++].owner = i; } gotsector[s>>3] |= pow2char[s&7]; globalorientation = (int)sec->floorstat; if ((globalorientation&1) != 0) continue; globalpal = sec->floorpal; if (palookup[sec->floorpal] != globalpalwritten) { globalpalwritten = palookup[sec->floorpal]; if (!globalpalwritten) globalpalwritten = palookup[0]; // JBF: fixes null-pointer crash setpalookupaddress(globalpalwritten); } globalpicnum = sec->floorpicnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue; if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((short)globalpicnum,s); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; globalshade = max(min(sec->floorshade,numpalookups-1),0); globvis = globalhisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalpolytype = 0; if ((globalorientation&64) == 0) { globalposx = dax; globalx1 = bakgxvect; globaly1 = bakgyvect; globalposy = day; globalx2 = bakgxvect; globaly2 = bakgyvect; } else { ox = wall[wall[startwall].point2].x - wall[startwall].x; oy = wall[wall[startwall].point2].y - wall[startwall].y; i = nsqrtasm(ox*ox+oy*oy); if (i == 0) continue; i = 1048576/i; globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i); globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i); ox = (bakx1>>4)-(xdim<<7); oy = (baky1>>4)-(ydim<<7); globalposx = dmulscale28(-oy,globalx1,-ox,globaly1); globalposy = dmulscale28(-ox,globalx1,oy,globaly1); globalx2 = -globalx1; globaly2 = -globaly1; daslope = sector[s].floorheinum; i = nsqrtasm(daslope*daslope+16777216); globalposy = mulscale12(globalposy,i); globalx2 = mulscale12(globalx2,i); globaly2 = mulscale12(globaly2,i); } globalxshift = (8-(picsiz[globalpicnum]&15)); globalyshift = (8-(picsiz[globalpicnum]>>4)); if (globalorientation&8) {globalxshift++; globalyshift++; } sethlinesizes(picsiz[globalpicnum]&15,picsiz[globalpicnum]>>4,(void *)globalbufplc); if ((globalorientation&0x4) > 0) { i = globalposx; globalposx = -globalposy; globalposy = -i; i = globalx2; globalx2 = globaly1; globaly1 = i; i = globalx1; globalx1 = -globaly2; globaly2 = -i; } if ((globalorientation&0x10) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx; if ((globalorientation&0x20) > 0) globalx2 = -globalx2, globaly2 = -globaly2, globalposy = -globalposy; asm1 = (globaly1<floorxpanning)<<24); globalposy = (globalposy<<(20+globalyshift))-(((int)sec->floorypanning)<<24); fillpolygon(npoints); } //Sort sprite list gap = 1; while (gap < sortnum) gap = (gap<<1)+1; for(gap>>=1;gap>0;gap>>=1) for(i=0;i=0;j-=gap) { if (sprite[tsprite[j].owner].z <= sprite[tsprite[j+gap].owner].z) break; swapshort(&tsprite[j].owner,&tsprite[j+gap].owner); } for(s=sortnum-1;s>=0;s--) { spr = &sprite[tsprite[s].owner]; if ((spr->cstat&48) == 32) { npoints = 0; tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); yoff = (int)((signed char)((picanm[tilenum]>>16)&255))+((int)spr->yoffset); if ((spr->cstat&4) > 0) xoff = -xoff; if ((spr->cstat&8) > 0) yoff = -yoff; k = spr->ang; cosang = sintable[(k+512)&2047]; sinang = sintable[k]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; ox = ((xspan>>1)+xoff)*xrepeat; oy = ((yspan>>1)+yoff)*yrepeat; x1 = spr->x + mulscale(sinang,ox,16) + mulscale(cosang,oy,16); y1 = spr->y + mulscale(sinang,oy,16) - mulscale(cosang,ox,16); l = xspan*xrepeat; x2 = x1 - mulscale(sinang,l,16); y2 = y1 + mulscale(cosang,l,16); l = yspan*yrepeat; k = -mulscale(cosang,l,16); x3 = x2+k; x4 = x1+k; k = -mulscale(sinang,l,16); y3 = y2+k; y4 = y1+k; xb1[0] = 1; xb1[1] = 2; xb1[2] = 3; xb1[3] = 0; npoints = 4; i = 0; ox = x1 - dax; oy = y1 - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[0] = x; ry1[0] = y; ox = x2 - dax; oy = y2 - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[1] = x; ry1[1] = y; ox = x3 - dax; oy = y3 - day; x = dmulscale16(ox,xvect,-oy,yvect) + (xdim<<11); y = dmulscale16(oy,xvect2,ox,yvect2) + (ydim<<11); i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[2] = x; ry1[2] = y; x = rx1[0]+rx1[2]-rx1[1]; y = ry1[0]+ry1[2]-ry1[1]; i |= getclipmask(x-cx1,cx2-x,y-cy1,cy2-y); rx1[3] = x; ry1[3] = y; if ((i&0xf0) != 0xf0) continue; bakx1 = rx1[0]; baky1 = mulscale16(ry1[0]-(ydim<<11),xyaspect)+(ydim<<11); if (i&0x0f) { npoints = clippoly(npoints,i); if (npoints < 3) continue; } globalpicnum = spr->picnum; if ((unsigned)globalpicnum >= (unsigned)MAXTILES) globalpicnum = 0; setgotpic(globalpicnum); if ((tilesizx[globalpicnum] <= 0) || (tilesizy[globalpicnum] <= 0)) continue; if ((picanm[globalpicnum]&192) != 0) globalpicnum += animateoffs((short)globalpicnum,s); if (waloff[globalpicnum] == 0) loadtile(globalpicnum); globalbufplc = waloff[globalpicnum]; if ((sector[spr->sectnum].ceilingstat&1) > 0) globalshade = ((int)sector[spr->sectnum].ceilingshade); else globalshade = ((int)sector[spr->sectnum].floorshade); globalshade = max(min(globalshade+spr->shade+6,numpalookups-1),0); asm3 = (intptr_t)palookup[spr->pal]+(globalshade<<8); globvis = globalhisibility; if (sec->visibility != 0) globvis = mulscale4(globvis,(int)((unsigned char)(sec->visibility+16))); globalpolytype = ((spr->cstat&2)>>1)+1; //relative alignment stuff ox = x2-x1; oy = y2-y1; i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i; globalx1 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i); globaly1 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i); ox = y1-y4; oy = x4-x1; i = ox*ox+oy*oy; if (i == 0) continue; i = (65536*16384)/i; globalx2 = mulscale10(dmulscale10(ox,bakgxvect,oy,bakgyvect),i); globaly2 = mulscale10(dmulscale10(ox,bakgyvect,-oy,bakgxvect),i); ox = picsiz[globalpicnum]; oy = ((ox>>4)&15); ox &= 15; if (pow2long[ox] != xspan) { ox++; globalx1 = mulscale(globalx1,xspan,ox); globaly1 = mulscale(globaly1,xspan,ox); } bakx1 = (bakx1>>4)-(xdim<<7); baky1 = (baky1>>4)-(ydim<<7); globalposx = dmulscale28(-baky1,globalx1,-bakx1,globaly1); globalposy = dmulscale28(bakx1,globalx2,-baky1,globaly2); if ((spr->cstat&2) == 0) msethlineshift(ox,oy); else { if (spr->cstat&512) settransreverse(); else settransnormal(); tsethlineshift(ox,oy); } if ((spr->cstat&0x4) > 0) globalx1 = -globalx1, globaly1 = -globaly1, globalposx = -globalposx; asm1 = (globaly1<<2); globalx1 <<= 2; globalposx <<= (20+2); asm2 = (globalx2<<2); globaly2 <<= 2; globalposy <<= (20+2); globalorientation = ((spr->cstat&2)<<7) | ((spr->cstat&512)>>2); // so polymost can get the translucency. ignored in software mode. fillpolygon(npoints); } } enddrawing(); //}}} } // // loadboard // int loadboard(char *filename, char fromwhere, int *daposx, int *daposy, int *daposz, short *daang, short *dacursectnum) { short fil, i, numsprites; i = strlen(filename)-1; if ((unsigned char)filename[i] == 255) { filename[i] = 0; fromwhere = 1; } // JBF 20040119: "compatibility" if ((fil = kopen4load(filename,fromwhere)) == -1) { mapversion = 7L; return(-1); } kread(fil,&mapversion,4); mapversion = B_LITTLE32(mapversion); if (mapversion != 7L && mapversion != 8L) { kclose(fil); return(-2); } /* // Enable this for doing map checksum tests clearbufbyte(&wall, sizeof(wall), 0); clearbufbyte(§or, sizeof(sector), 0); clearbufbyte(&sprite, sizeof(sprite), 0); */ initspritelists(); #define MYMAXSECTORS (mapversion==7l?MAXSECTORSV7:MAXSECTORSV8) #define MYMAXWALLS (mapversion==7l?MAXWALLSV7:MAXWALLSV8) #define MYMAXSPRITES (mapversion==7l?MAXSPRITESV7:MAXSPRITESV8) clearbuf(&show2dsector[0],(int)((MAXSECTORS+3)>>5),0L); clearbuf(&show2dsprite[0],(int)((MAXSPRITES+3)>>5),0L); clearbuf(&show2dwall[0],(int)((MAXWALLS+3)>>5),0L); kread(fil,daposx,4); *daposx = B_LITTLE32(*daposx); kread(fil,daposy,4); *daposy = B_LITTLE32(*daposy); kread(fil,daposz,4); *daposz = B_LITTLE32(*daposz); kread(fil,daang,2); *daang = B_LITTLE16(*daang); kread(fil,dacursectnum,2); *dacursectnum = B_LITTLE16(*dacursectnum); kread(fil,&numsectors,2); numsectors = B_LITTLE16(numsectors); if (numsectors > MYMAXSECTORS) { kclose(fil); return(-1); } kread(fil,§or[0],sizeof(sectortype)*numsectors); for (i=numsectors-1; i>=0; i--) { sector[i].wallptr = B_LITTLE16(sector[i].wallptr); sector[i].wallnum = B_LITTLE16(sector[i].wallnum); sector[i].ceilingz = B_LITTLE32(sector[i].ceilingz); sector[i].floorz = B_LITTLE32(sector[i].floorz); sector[i].ceilingstat = B_LITTLE16(sector[i].ceilingstat); sector[i].floorstat = B_LITTLE16(sector[i].floorstat); sector[i].ceilingpicnum = B_LITTLE16(sector[i].ceilingpicnum); sector[i].ceilingheinum = B_LITTLE16(sector[i].ceilingheinum); sector[i].floorpicnum = B_LITTLE16(sector[i].floorpicnum); sector[i].floorheinum = B_LITTLE16(sector[i].floorheinum); sector[i].lotag = B_LITTLE16(sector[i].lotag); sector[i].hitag = B_LITTLE16(sector[i].hitag); sector[i].extra = B_LITTLE16(sector[i].extra); } kread(fil,&numwalls,2); numwalls = B_LITTLE16(numwalls); if (numwalls > MYMAXWALLS) { kclose(fil); return(-1); } kread(fil,&wall[0],sizeof(walltype)*numwalls); for (i=numwalls-1; i>=0; i--) { wall[i].x = B_LITTLE32(wall[i].x); wall[i].y = B_LITTLE32(wall[i].y); wall[i].point2 = B_LITTLE16(wall[i].point2); wall[i].nextwall = B_LITTLE16(wall[i].nextwall); wall[i].nextsector = B_LITTLE16(wall[i].nextsector); wall[i].cstat = B_LITTLE16(wall[i].cstat); wall[i].picnum = B_LITTLE16(wall[i].picnum); wall[i].overpicnum = B_LITTLE16(wall[i].overpicnum); wall[i].lotag = B_LITTLE16(wall[i].lotag); wall[i].hitag = B_LITTLE16(wall[i].hitag); wall[i].extra = B_LITTLE16(wall[i].extra); } kread(fil,&numsprites,2); numsprites = B_LITTLE16(numsprites); if (numsprites > MYMAXSPRITES) { kclose(fil); return(-1); } kread(fil,&sprite[0],sizeof(spritetype)*numsprites); for (i=numsprites-1; i>=0; i--) { sprite[i].x = B_LITTLE32(sprite[i].x); sprite[i].y = B_LITTLE32(sprite[i].y); sprite[i].z = B_LITTLE32(sprite[i].z); sprite[i].cstat = B_LITTLE16(sprite[i].cstat); sprite[i].picnum = B_LITTLE16(sprite[i].picnum); sprite[i].sectnum = B_LITTLE16(sprite[i].sectnum); sprite[i].statnum = B_LITTLE16(sprite[i].statnum); sprite[i].ang = B_LITTLE16(sprite[i].ang); sprite[i].owner = B_LITTLE16(sprite[i].owner); sprite[i].xvel = B_LITTLE16(sprite[i].xvel); sprite[i].yvel = B_LITTLE16(sprite[i].yvel); sprite[i].zvel = B_LITTLE16(sprite[i].zvel); sprite[i].lotag = B_LITTLE16(sprite[i].lotag); sprite[i].hitag = B_LITTLE16(sprite[i].hitag); sprite[i].extra = B_LITTLE16(sprite[i].extra); } for(i=0;i= startwall) && (theline <= endwall)) { sucksect = i; break; } } return(sucksect); } static int readv5sect(int fil, struct sectortypev5 *sect) { if (kread(fil, §->wallptr, 2) != 2) return -1; if (kread(fil, §->wallnum, 2) != 2) return -1; if (kread(fil, §->ceilingpicnum, 2) != 2) return -1; if (kread(fil, §->floorpicnum, 2) != 2) return -1; if (kread(fil, §->ceilingheinum, 2) != 2) return -1; if (kread(fil, §->floorheinum, 2) != 2) return -1; if (kread(fil, §->ceilingz, 4) != 4) return -1; if (kread(fil, §->floorz, 4) != 4) return -1; if (kread(fil, §->ceilingshade, 1) != 1) return -1; if (kread(fil, §->floorshade, 1) != 1) return -1; if (kread(fil, §->ceilingxpanning, 1) != 1) return -1; if (kread(fil, §->floorxpanning, 1) != 1) return -1; if (kread(fil, §->ceilingypanning, 1) != 1) return -1; if (kread(fil, §->floorypanning, 1) != 1) return -1; if (kread(fil, §->ceilingstat, 1) != 1) return -1; if (kread(fil, §->floorstat, 1) != 1) return -1; if (kread(fil, §->ceilingpal, 1) != 1) return -1; if (kread(fil, §->floorpal, 1) != 1) return -1; if (kread(fil, §->visibility, 1) != 1) return -1; if (kread(fil, §->lotag, 2) != 2) return -1; if (kread(fil, §->hitag, 2) != 2) return -1; if (kread(fil, §->extra, 2) != 2) return -1; sect->wallptr = B_LITTLE16(sect->wallptr); sect->wallnum = B_LITTLE16(sect->wallnum); sect->ceilingpicnum = B_LITTLE16(sect->ceilingpicnum); sect->floorpicnum = B_LITTLE16(sect->floorpicnum); sect->ceilingheinum = B_LITTLE16(sect->ceilingheinum); sect->floorheinum = B_LITTLE16(sect->floorheinum); sect->ceilingz = B_LITTLE32(sect->ceilingz); sect->floorz = B_LITTLE32(sect->floorz); sect->lotag = B_LITTLE16(sect->lotag); sect->hitag = B_LITTLE16(sect->hitag); sect->extra = B_LITTLE16(sect->extra); return 0; } static int writev5sect(int fil, struct sectortypev5 *sect) { uint32_t tl; uint16_t ts; ts = B_LITTLE16(sect->wallptr); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->wallnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->ceilingpicnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->floorpicnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->ceilingheinum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->floorheinum); if (Bwrite(fil, &ts, 2) != 2) return -1; tl = B_LITTLE32(sect->ceilingz); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(sect->floorz); if (Bwrite(fil, &tl, 4) != 4) return -1; if (Bwrite(fil, §->ceilingshade, 1) != 1) return -1; if (Bwrite(fil, §->floorshade, 1) != 1) return -1; if (Bwrite(fil, §->ceilingxpanning, 1) != 1) return -1; if (Bwrite(fil, §->floorxpanning, 1) != 1) return -1; if (Bwrite(fil, §->ceilingypanning, 1) != 1) return -1; if (Bwrite(fil, §->floorypanning, 1) != 1) return -1; if (Bwrite(fil, §->ceilingstat, 1) != 1) return -1; if (Bwrite(fil, §->floorstat, 1) != 1) return -1; if (Bwrite(fil, §->ceilingpal, 1) != 1) return -1; if (Bwrite(fil, §->floorpal, 1) != 1) return -1; if (Bwrite(fil, §->visibility, 1) != 1) return -1; ts = B_LITTLE16(sect->lotag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->hitag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->extra); if (Bwrite(fil, &ts, 2) != 2) return -1; return 0; } static void convertv5sectv6(struct sectortypev5 *from, struct sectortypev6 *to) { to->wallptr = from->wallptr; to->wallnum = from->wallnum; to->ceilingpicnum = from->ceilingpicnum; to->floorpicnum = from->floorpicnum; to->ceilingheinum = from->ceilingheinum; to->floorheinum = from->floorheinum; to->ceilingz = from->ceilingz; to->floorz = from->floorz; to->ceilingshade = from->ceilingshade; to->floorshade = from->floorshade; to->ceilingxpanning = from->ceilingxpanning; to->floorxpanning = from->floorxpanning; to->ceilingypanning = from->ceilingypanning; to->floorypanning = from->floorypanning; to->ceilingstat = from->ceilingstat; to->floorstat = from->floorstat; to->ceilingpal = from->ceilingpal; to->floorpal = from->floorpal; to->visibility = from->visibility; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv6sectv5(struct sectortypev6 *from, struct sectortypev5 *to) { to->wallptr = from->wallptr; to->wallnum = from->wallnum; to->ceilingpicnum = from->ceilingpicnum; to->floorpicnum = from->floorpicnum; to->ceilingheinum = from->ceilingheinum; to->floorheinum = from->floorheinum; to->ceilingz = from->ceilingz; to->floorz = from->floorz; to->ceilingshade = from->ceilingshade; to->floorshade = from->floorshade; to->ceilingxpanning = from->ceilingxpanning; to->floorxpanning = from->floorxpanning; to->ceilingypanning = from->ceilingypanning; to->floorypanning = from->floorypanning; to->ceilingstat = from->ceilingstat; to->floorstat = from->floorstat; to->ceilingpal = from->ceilingpal; to->floorpal = from->floorpal; to->visibility = from->visibility; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static int readv5wall(int fil, struct walltypev5 *wall) { if (kread(fil, &wall->x, 4) != 4) return -1; if (kread(fil, &wall->y, 4) != 4) return -1; if (kread(fil, &wall->point2, 2) != 2) return -1; if (kread(fil, &wall->picnum, 2) != 2) return -1; if (kread(fil, &wall->overpicnum, 2) != 2) return -1; if (kread(fil, &wall->shade, 1) != 1) return -1; if (kread(fil, &wall->cstat, 2) != 2) return -1; if (kread(fil, &wall->xrepeat, 1) != 1) return -1; if (kread(fil, &wall->yrepeat, 1) != 1) return -1; if (kread(fil, &wall->xpanning, 1) != 1) return -1; if (kread(fil, &wall->ypanning, 1) != 1) return -1; if (kread(fil, &wall->nextsector1, 2) != 2) return -1; if (kread(fil, &wall->nextwall1, 2) != 2) return -1; if (kread(fil, &wall->nextsector2, 2) != 2) return -1; if (kread(fil, &wall->nextwall2, 2) != 2) return -1; if (kread(fil, &wall->lotag, 2) != 2) return -1; if (kread(fil, &wall->hitag, 2) != 2) return -1; if (kread(fil, &wall->extra, 2) != 2) return -1; wall->x = B_LITTLE32(wall->x); wall->y = B_LITTLE32(wall->y); wall->point2 = B_LITTLE16(wall->point2); wall->picnum = B_LITTLE16(wall->picnum); wall->overpicnum = B_LITTLE16(wall->overpicnum); wall->cstat = B_LITTLE16(wall->cstat); wall->nextsector1 = B_LITTLE16(wall->nextsector1); wall->nextwall1 = B_LITTLE16(wall->nextwall1); wall->nextsector2 = B_LITTLE16(wall->nextsector2); wall->nextwall2 = B_LITTLE16(wall->nextwall2); wall->lotag = B_LITTLE16(wall->lotag); wall->hitag = B_LITTLE16(wall->hitag); wall->extra = B_LITTLE16(wall->extra); return 0; } static int writev5wall(int fil, struct walltypev5 *wall) { uint32_t tl; uint16_t ts; tl = B_LITTLE32(wall->x); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(wall->y); if (Bwrite(fil, &tl, 4) != 4) return -1; ts = B_LITTLE16(wall->point2); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->picnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->overpicnum); if (Bwrite(fil, &ts, 2) != 2) return -1; if (Bwrite(fil, &wall->shade, 1) != 1) return -1; ts = B_LITTLE16(wall->cstat); if (Bwrite(fil, &ts, 2) != 2) return -1; if (Bwrite(fil, &wall->xrepeat, 1) != 1) return -1; if (Bwrite(fil, &wall->yrepeat, 1) != 1) return -1; if (Bwrite(fil, &wall->xpanning, 1) != 1) return -1; if (Bwrite(fil, &wall->ypanning, 1) != 1) return -1; ts = B_LITTLE16(wall->nextsector1); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->nextwall1); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->nextsector2); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->nextwall2); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->lotag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->hitag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->extra); if (Bwrite(fil, &ts, 2) != 2) return -1; return 0; } static void convertv5wallv6(struct walltypev5 *from, struct walltypev6 *to, int i) { to->x = from->x; to->y = from->y; to->point2 = from->point2; to->nextsector = from->nextsector1; to->nextwall = from->nextwall1; to->picnum = from->picnum; to->overpicnum = from->overpicnum; to->shade = from->shade; to->pal = sector[sectorofwallv5((short)i)].floorpal; to->cstat = from->cstat; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xpanning = from->xpanning; to->ypanning = from->ypanning; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv6wallv5(struct walltypev6 *from, struct walltypev5 *to) { to->x = from->x; to->y = from->y; to->point2 = from->point2; to->nextsector1 = from->nextsector; to->nextwall1 = from->nextwall; to->nextsector2 = -1; to->nextwall2 = -1; to->picnum = from->picnum; to->overpicnum = from->overpicnum; to->shade = from->shade; to->cstat = from->cstat; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xpanning = from->xpanning; to->ypanning = from->ypanning; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static int readv5sprite(int fil, struct spritetypev5 *spr) { if (kread(fil, &spr->x, 4) != 4) return -1; if (kread(fil, &spr->y, 4) != 4) return -1; if (kread(fil, &spr->z, 4) != 4) return -1; if (kread(fil, &spr->cstat, 1) != 1) return -1; if (kread(fil, &spr->shade, 1) != 1) return -1; if (kread(fil, &spr->xrepeat, 1) != 1) return -1; if (kread(fil, &spr->yrepeat, 1) != 1) return -1; if (kread(fil, &spr->picnum, 2) != 2) return -1; if (kread(fil, &spr->ang, 2) != 2) return -1; if (kread(fil, &spr->xvel, 2) != 2) return -1; if (kread(fil, &spr->yvel, 2) != 2) return -1; if (kread(fil, &spr->zvel, 2) != 2) return -1; if (kread(fil, &spr->owner, 2) != 2) return -1; if (kread(fil, &spr->sectnum, 2) != 2) return -1; if (kread(fil, &spr->statnum, 2) != 2) return -1; if (kread(fil, &spr->lotag, 2) != 2) return -1; if (kread(fil, &spr->hitag, 2) != 2) return -1; if (kread(fil, &spr->extra, 2) != 2) return -1; spr->x = B_LITTLE32(spr->x); spr->y = B_LITTLE32(spr->y); spr->z = B_LITTLE32(spr->z); spr->picnum = B_LITTLE16(spr->picnum); spr->ang = B_LITTLE16(spr->ang); spr->xvel = B_LITTLE16(spr->xvel); spr->yvel = B_LITTLE16(spr->yvel); spr->zvel = B_LITTLE16(spr->zvel); spr->owner = B_LITTLE16(spr->owner); spr->sectnum = B_LITTLE16(spr->sectnum); spr->statnum = B_LITTLE16(spr->statnum); spr->lotag = B_LITTLE16(spr->lotag); spr->hitag = B_LITTLE16(spr->hitag); spr->extra = B_LITTLE16(spr->extra); return 0; } static int writev5sprite(int fil, struct spritetypev5 *spr) { uint32_t tl; uint16_t ts; tl = B_LITTLE32(spr->x); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(spr->y); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(spr->z); if (Bwrite(fil, &tl, 4) != 4) return -1; if (Bwrite(fil, &spr->cstat, 1) != 1) return -1; if (Bwrite(fil, &spr->shade, 1) != 1) return -1; if (Bwrite(fil, &spr->xrepeat, 1) != 1) return -1; if (Bwrite(fil, &spr->yrepeat, 1) != 1) return -1; ts = B_LITTLE16(spr->picnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->ang); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->xvel); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->yvel); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->zvel); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->owner); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->sectnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->statnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->lotag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->hitag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->extra); if (Bwrite(fil, &ts, 2) != 2) return -1; return 0; } static void convertv5sprv6(struct spritetypev5 *from, struct spritetypev6 *to) { short j; to->x = from->x; to->y = from->y; to->z = from->z; to->cstat = from->cstat; to->shade = from->shade; j = from->sectnum; if ((sector[j].ceilingstat&1) > 0) to->pal = sector[j].ceilingpal; else to->pal = sector[j].floorpal; to->clipdist = 32; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xoffset = 0; to->yoffset = 0; to->picnum = from->picnum; to->ang = from->ang; to->xvel = from->xvel; to->yvel = from->yvel; to->zvel = from->zvel; to->owner = from->owner; to->sectnum = from->sectnum; to->statnum = from->statnum; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv6sprv5(struct spritetypev6 *from, struct spritetypev5 *to) { to->x = from->x; to->y = from->y; to->z = from->z; to->cstat = (unsigned char)from->cstat; to->shade = from->shade; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->picnum = from->picnum; to->ang = from->ang; to->xvel = from->xvel; to->yvel = from->yvel; to->zvel = from->zvel; to->owner = from->owner; to->sectnum = from->sectnum; to->statnum = from->statnum; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static int readv6sect(int fil, struct sectortypev6 *sect) { if (kread(fil, §->wallptr, 2) != 2) return -1; if (kread(fil, §->wallnum, 2) != 2) return -1; if (kread(fil, §->ceilingpicnum, 2) != 2) return -1; if (kread(fil, §->floorpicnum, 2) != 2) return -1; if (kread(fil, §->ceilingheinum, 2) != 2) return -1; if (kread(fil, §->floorheinum, 2) != 2) return -1; if (kread(fil, §->ceilingz, 4) != 4) return -1; if (kread(fil, §->floorz, 4) != 4) return -1; if (kread(fil, §->ceilingshade, 1) != 1) return -1; if (kread(fil, §->floorshade, 1) != 1) return -1; if (kread(fil, §->ceilingxpanning, 1) != 1) return -1; if (kread(fil, §->floorxpanning, 1) != 1) return -1; if (kread(fil, §->ceilingypanning, 1) != 1) return -1; if (kread(fil, §->floorypanning, 1) != 1) return -1; if (kread(fil, §->ceilingstat, 1) != 1) return -1; if (kread(fil, §->floorstat, 1) != 1) return -1; if (kread(fil, §->ceilingpal, 1) != 1) return -1; if (kread(fil, §->floorpal, 1) != 1) return -1; if (kread(fil, §->visibility, 1) != 1) return -1; if (kread(fil, §->lotag, 2) != 2) return -1; if (kread(fil, §->hitag, 2) != 2) return -1; if (kread(fil, §->extra, 2) != 2) return -1; sect->wallptr = B_LITTLE16(sect->wallptr); sect->wallnum = B_LITTLE16(sect->wallnum); sect->ceilingpicnum = B_LITTLE16(sect->ceilingpicnum); sect->floorpicnum = B_LITTLE16(sect->floorpicnum); sect->ceilingheinum = B_LITTLE16(sect->ceilingheinum); sect->floorheinum = B_LITTLE16(sect->floorheinum); sect->ceilingz = B_LITTLE32(sect->ceilingz); sect->floorz = B_LITTLE32(sect->floorz); sect->lotag = B_LITTLE16(sect->lotag); sect->hitag = B_LITTLE16(sect->hitag); sect->extra = B_LITTLE16(sect->extra); return 0; } static int writev6sect(int fil, struct sectortypev6 *sect) { uint32_t tl; uint16_t ts; ts = B_LITTLE16(sect->wallptr); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->wallnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->ceilingpicnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->floorpicnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->ceilingheinum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->floorheinum); if (Bwrite(fil, &ts, 2) != 2) return -1; tl = B_LITTLE32(sect->ceilingz); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(sect->floorz); if (Bwrite(fil, &tl, 4) != 4) return -1; if (Bwrite(fil, §->ceilingshade, 1) != 1) return -1; if (Bwrite(fil, §->floorshade, 1) != 1) return -1; if (Bwrite(fil, §->ceilingxpanning, 1) != 1) return -1; if (Bwrite(fil, §->floorxpanning, 1) != 1) return -1; if (Bwrite(fil, §->ceilingypanning, 1) != 1) return -1; if (Bwrite(fil, §->floorypanning, 1) != 1) return -1; if (Bwrite(fil, §->ceilingstat, 1) != 1) return -1; if (Bwrite(fil, §->floorstat, 1) != 1) return -1; if (Bwrite(fil, §->ceilingpal, 1) != 1) return -1; if (Bwrite(fil, §->floorpal, 1) != 1) return -1; if (Bwrite(fil, §->visibility, 1) != 1) return -1; ts = B_LITTLE16(sect->lotag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->hitag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(sect->extra); if (Bwrite(fil, &ts, 2) != 2) return -1; return 0; } static void convertv6sectv7(struct sectortypev6 *from, sectortype *to) { to->ceilingz = from->ceilingz; to->floorz = from->floorz; to->wallptr = from->wallptr; to->wallnum = from->wallnum; to->ceilingpicnum = from->ceilingpicnum; to->ceilingheinum = max(min(((int)from->ceilingheinum)<<5,32767),-32768); if ((from->ceilingstat&2) == 0) to->ceilingheinum = 0; to->ceilingshade = from->ceilingshade; to->ceilingpal = from->ceilingpal; to->ceilingxpanning = from->ceilingxpanning; to->ceilingypanning = from->ceilingypanning; to->floorpicnum = from->floorpicnum; to->floorheinum = max(min(((int)from->floorheinum)<<5,32767),-32768); if ((from->floorstat&2) == 0) to->floorheinum = 0; to->floorshade = from->floorshade; to->floorpal = from->floorpal; to->floorxpanning = from->floorxpanning; to->floorypanning = from->floorypanning; to->ceilingstat = from->ceilingstat; to->floorstat = from->floorstat; to->visibility = from->visibility; to->filler = 0; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv7sectv6(sectortype *from, struct sectortypev6 *to) { to->ceilingz = from->ceilingz; to->floorz = from->floorz; to->wallptr = from->wallptr; to->wallnum = from->wallnum; to->ceilingpicnum = from->ceilingpicnum; to->ceilingheinum = (((int)from->ceilingheinum)>>5); to->ceilingshade = from->ceilingshade; to->ceilingpal = from->ceilingpal; to->ceilingxpanning = from->ceilingxpanning; to->ceilingypanning = from->ceilingypanning; to->floorpicnum = from->floorpicnum; to->floorheinum = (((int)from->floorheinum)>>5); to->floorshade = from->floorshade; to->floorpal = from->floorpal; to->floorxpanning = from->floorxpanning; to->floorypanning = from->floorypanning; to->ceilingstat = from->ceilingstat; if (to->ceilingheinum == 0) to->ceilingstat &= ~2; to->floorstat = from->floorstat; if (to->floorheinum == 0) to->floorstat &= ~2; to->visibility = from->visibility; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static int readv6wall(int fil, struct walltypev6 *wall) { if (kread(fil, &wall->x, 4) != 4) return -1; if (kread(fil, &wall->y, 4) != 4) return -1; if (kread(fil, &wall->point2, 2) != 2) return -1; if (kread(fil, &wall->nextsector, 2) != 2) return -1; if (kread(fil, &wall->nextwall, 2) != 2) return -1; if (kread(fil, &wall->picnum, 2) != 2) return -1; if (kread(fil, &wall->overpicnum, 2) != 2) return -1; if (kread(fil, &wall->shade, 1) != 1) return -1; if (kread(fil, &wall->pal, 1) != 1) return -1; if (kread(fil, &wall->cstat, 2) != 2) return -1; if (kread(fil, &wall->xrepeat, 1) != 1) return -1; if (kread(fil, &wall->yrepeat, 1) != 1) return -1; if (kread(fil, &wall->xpanning, 1) != 1) return -1; if (kread(fil, &wall->ypanning, 1) != 1) return -1; if (kread(fil, &wall->lotag, 2) != 2) return -1; if (kread(fil, &wall->hitag, 2) != 2) return -1; if (kread(fil, &wall->extra, 2) != 2) return -1; wall->x = B_LITTLE32(wall->x); wall->y = B_LITTLE32(wall->y); wall->point2 = B_LITTLE16(wall->point2); wall->nextsector = B_LITTLE16(wall->nextsector); wall->nextwall = B_LITTLE16(wall->nextwall); wall->picnum = B_LITTLE16(wall->picnum); wall->overpicnum = B_LITTLE16(wall->overpicnum); wall->cstat = B_LITTLE16(wall->cstat); wall->lotag = B_LITTLE16(wall->lotag); wall->hitag = B_LITTLE16(wall->hitag); wall->extra = B_LITTLE16(wall->extra); return 0; } static int writev6wall(int fil, struct walltypev6 *wall) { uint32_t tl; uint16_t ts; tl = B_LITTLE32(wall->x); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(wall->y); if (Bwrite(fil, &tl, 4) != 4) return -1; ts = B_LITTLE16(wall->point2); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->nextsector); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->nextwall); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->picnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->overpicnum); if (Bwrite(fil, &ts, 2) != 2) return -1; if (Bwrite(fil, &wall->shade, 1) != 1) return -1; if (Bwrite(fil, &wall->pal, 1) != 1) return -1; ts = B_LITTLE16(wall->cstat); if (Bwrite(fil, &ts, 2) != 2) return -1; if (Bwrite(fil, &wall->xrepeat, 1) != 1) return -1; if (Bwrite(fil, &wall->yrepeat, 1) != 1) return -1; if (Bwrite(fil, &wall->xpanning, 1) != 1) return -1; if (Bwrite(fil, &wall->ypanning, 1) != 1) return -1; ts = B_LITTLE16(wall->lotag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->hitag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(wall->extra); if (Bwrite(fil, &ts, 2) != 2) return -1; return 0; } static void convertv6wallv7(struct walltypev6 *from, walltype *to) { to->x = from->x; to->y = from->y; to->point2 = from->point2; to->nextwall = from->nextwall; to->nextsector = from->nextsector; to->cstat = from->cstat; to->picnum = from->picnum; to->overpicnum = from->overpicnum; to->shade = from->shade; to->pal = from->pal; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xpanning = from->xpanning; to->ypanning = from->ypanning; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv7wallv6(walltype *from, struct walltypev6 *to) { to->x = from->x; to->y = from->y; to->point2 = from->point2; to->nextwall = from->nextwall; to->nextsector = from->nextsector; to->cstat = from->cstat; to->picnum = from->picnum; to->overpicnum = from->overpicnum; to->shade = from->shade; to->pal = from->pal; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xpanning = from->xpanning; to->ypanning = from->ypanning; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static int readv6sprite(int fil, struct spritetypev6 *spr) { if (kread(fil, &spr->x, 4) != 4) return -1; if (kread(fil, &spr->y, 4) != 4) return -1; if (kread(fil, &spr->z, 4) != 4) return -1; if (kread(fil, &spr->cstat, 2) != 2) return -1; if (kread(fil, &spr->shade, 1) != 1) return -1; if (kread(fil, &spr->pal, 1) != 1) return -1; if (kread(fil, &spr->clipdist, 1) != 1) return -1; if (kread(fil, &spr->xrepeat, 1) != 1) return -1; if (kread(fil, &spr->yrepeat, 1) != 1) return -1; if (kread(fil, &spr->xoffset, 1) != 1) return -1; if (kread(fil, &spr->yoffset, 1) != 1) return -1; if (kread(fil, &spr->picnum, 2) != 2) return -1; if (kread(fil, &spr->ang, 2) != 2) return -1; if (kread(fil, &spr->xvel, 2) != 2) return -1; if (kread(fil, &spr->yvel, 2) != 2) return -1; if (kread(fil, &spr->zvel, 2) != 2) return -1; if (kread(fil, &spr->owner, 2) != 2) return -1; if (kread(fil, &spr->sectnum, 2) != 2) return -1; if (kread(fil, &spr->statnum, 2) != 2) return -1; if (kread(fil, &spr->lotag, 2) != 2) return -1; if (kread(fil, &spr->hitag, 2) != 2) return -1; if (kread(fil, &spr->extra, 2) != 2) return -1; spr->x = B_LITTLE32(spr->x); spr->y = B_LITTLE32(spr->y); spr->z = B_LITTLE32(spr->z); spr->cstat = B_LITTLE16(spr->cstat); spr->picnum = B_LITTLE16(spr->picnum); spr->ang = B_LITTLE16(spr->ang); spr->xvel = B_LITTLE16(spr->xvel); spr->yvel = B_LITTLE16(spr->yvel); spr->zvel = B_LITTLE16(spr->zvel); spr->owner = B_LITTLE16(spr->owner); spr->sectnum = B_LITTLE16(spr->sectnum); spr->statnum = B_LITTLE16(spr->statnum); spr->lotag = B_LITTLE16(spr->lotag); spr->hitag = B_LITTLE16(spr->hitag); spr->extra = B_LITTLE16(spr->extra); return 0; } static int writev6sprite(int fil, struct spritetypev6 *spr) { uint32_t tl; uint16_t ts; tl = B_LITTLE32(spr->x); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(spr->y); if (Bwrite(fil, &tl, 4) != 4) return -1; tl = B_LITTLE32(spr->z); if (Bwrite(fil, &tl, 4) != 4) return -1; ts = B_LITTLE16(spr->cstat); if (Bwrite(fil, &ts, 2) != 2) return -1; if (Bwrite(fil, &spr->shade, 1) != 1) return -1; if (Bwrite(fil, &spr->pal, 1) != 1) return -1; if (Bwrite(fil, &spr->clipdist, 1) != 1) return -1; if (Bwrite(fil, &spr->xrepeat, 1) != 1) return -1; if (Bwrite(fil, &spr->yrepeat, 1) != 1) return -1; if (Bwrite(fil, &spr->xoffset, 1) != 1) return -1; if (Bwrite(fil, &spr->yoffset, 1) != 1) return -1; ts = B_LITTLE16(spr->picnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->ang); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->xvel); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->yvel); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->zvel); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->owner); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->sectnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->statnum); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->lotag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->hitag); if (Bwrite(fil, &ts, 2) != 2) return -1; ts = B_LITTLE16(spr->extra); if (Bwrite(fil, &ts, 2) != 2) return -1; return 0; } static void convertv6sprv7(struct spritetypev6 *from, spritetype *to) { to->x = from->x; to->y = from->y; to->z = from->z; to->cstat = from->cstat; to->picnum = from->picnum; to->shade = from->shade; to->pal = from->pal; to->clipdist = from->clipdist; to->filler = 0; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xoffset = from->xoffset; to->yoffset = from->yoffset; to->sectnum = from->sectnum; to->statnum = from->statnum; to->ang = from->ang; to->owner = from->owner; to->xvel = from->xvel; to->yvel = from->yvel; to->zvel = from->zvel; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } static void convertv7sprv6(spritetype *from, struct spritetypev6 *to) { to->x = from->x; to->y = from->y; to->z = from->z; to->cstat = from->cstat; to->picnum = from->picnum; to->shade = from->shade; to->pal = from->pal; to->clipdist = from->clipdist; to->xrepeat = from->xrepeat; to->yrepeat = from->yrepeat; to->xoffset = from->xoffset; to->yoffset = from->yoffset; to->sectnum = from->sectnum; to->statnum = from->statnum; to->ang = from->ang; to->owner = from->owner; to->xvel = from->xvel; to->yvel = from->yvel; to->zvel = from->zvel; to->lotag = from->lotag; to->hitag = from->hitag; to->extra = from->extra; } // Powerslave uses v6 // Witchaven 1 and TekWar use v5 int loadoldboard(char *filename, char fromwhere, int *daposx, int *daposy, int *daposz, short *daang, short *dacursectnum) { short fil, i, numsprites; struct sectortypev5 v5sect; struct walltypev5 v5wall; struct spritetypev5 v5spr; struct sectortypev6 v6sect; struct walltypev6 v6wall; struct spritetypev6 v6spr; i = strlen(filename)-1; if ((unsigned char)filename[i] == 255) { filename[i] = 0; fromwhere = 1; } // JBF 20040119: "compatibility" if ((fil = kopen4load(filename,fromwhere)) == -1) { mapversion = 5L; return(-1); } if (kread(fil,&mapversion,4) != 4) goto readerror; mapversion = B_LITTLE32(mapversion); if (mapversion != 5L && mapversion != 6L) { kclose(fil); return(-2); } initspritelists(); clearbuf(&show2dsector[0],(int)((MAXSECTORS+3)>>5),0L); clearbuf(&show2dsprite[0],(int)((MAXSPRITES+3)>>5),0L); clearbuf(&show2dwall[0],(int)((MAXWALLS+3)>>5),0L); if (kread(fil,daposx,4) != 4) goto readerror; if (kread(fil,daposy,4) != 4) goto readerror; if (kread(fil,daposz,4) != 4) goto readerror; if (kread(fil,daang,2) != 2) goto readerror; if (kread(fil,dacursectnum,2) != 2) goto readerror; *daposx = B_LITTLE32(*daposx); *daposy = B_LITTLE32(*daposy); *daposz = B_LITTLE32(*daposz); *daang = B_LITTLE16(*daang); *dacursectnum = B_LITTLE16(*dacursectnum); if (kread(fil,&numsectors,2) != 2) goto readerror; numsectors = B_LITTLE16(numsectors); if (numsectors > MAXSECTORS) { kclose(fil); return(-1); } for (i=0; i MAXWALLS) { kclose(fil); return(-1); } for (i=0; i MAXSPRITES) { kclose(fil); return(-1); } for (i=0; iltextptr; switch (legaltokens[i].tokenid) { case 0: // sprite if (scriptfile_getnumber(script, &whichsprite)) break; if ((unsigned)whichsprite >= (unsigned)MAXSPRITES) { // sprite number out of range buildprintf("Sprite number out of range 0-%d on line %s:%d\n", MAXSPRITES-1,script->filename, scriptfile_getlinum(script,cmdtokptr)); whichsprite = -1; break; } break; case 1: // angoff { int ang; if (scriptfile_getnumber(script, &ang)) break; if (whichsprite < 0) { // no sprite directive preceeding buildprintf("Ignoring angle offset directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].angoff = (short)ang; } break; case 2: // notmd if (whichsprite < 0) { // no sprite directive preceeding buildprintf("Ignoring not-MD2/MD3 directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].flags |= SPREXT_NOTMD; break; case 3: // nomdanim if (whichsprite < 0) { // no sprite directive preceeding buildprintf("Ignoring no-MD2/MD3-anim directive because of absent/invalid sprite number on line %s:%d\n", script->filename, scriptfile_getlinum(script,cmdtokptr)); break; } spriteext[whichsprite].flags |= SPREXT_NOMDANIM; break; default: // unrecognised token break; } } scriptfile_close(script); #endif //USE_POLYMOST && USE_OPENGL return 0; } // // saveboard // int saveboard(char *filename, int *daposx, int *daposy, int *daposz, short *daang, short *dacursectnum) { short fil, i, j, numsprites, ts; int tl; sectortype tsect; walltype twall; spritetype tspri; if ((fil = Bopen(filename,BO_BINARY|BO_TRUNC|BO_CREAT|BO_WRONLY,BS_IREAD|BS_IWRITE)) == -1) return(-1); numsprites = 0; for(j=0;j MAXSECTORSV7 || numwalls > MAXWALLSV7 || numsprites > MAXSPRITESV7) mapversion = 8; else mapversion = 7; tl = B_LITTLE32(mapversion); Bwrite(fil,&tl,4); tl = B_LITTLE32(*daposx); Bwrite(fil,&tl,4); tl = B_LITTLE32(*daposy); Bwrite(fil,&tl,4); tl = B_LITTLE32(*daposz); Bwrite(fil,&tl,4); ts = B_LITTLE16(*daang); Bwrite(fil,&ts,2); ts = B_LITTLE16(*dacursectnum); Bwrite(fil,&ts,2); ts = B_LITTLE16(numsectors); Bwrite(fil,&ts,2); for (i=0; i MAXSECTORSV5 || numwalls > MAXWALLSV5 || numsprites > MAXSPRITESV5) { buildprintf("saveoldboard: too many sectors/walls/sprites for map version 5 (%d/%d, %d/%d, %d/%d)\n", numsectors, MAXSECTORSV5, numwalls, MAXWALLSV5, numsprites, MAXSPRITESV5); return -2; } break; case 6: if (numsectors > MAXSECTORSV6 || numwalls > MAXWALLSV6 || numsprites > MAXSPRITESV6) { buildprintf("saveoldboard: too many sectors/walls/sprites for map version 6 (%d/%d, %d/%d, %d/%d)\n", numsectors, MAXSECTORSV6, numwalls, MAXWALLSV6, numsprites, MAXSPRITESV6); return -2; } break; } if ((fil = Bopen(filename,BO_BINARY|BO_TRUNC|BO_CREAT|BO_WRONLY,BS_IREAD|BS_IWRITE)) == -1) return(-1); tl = B_LITTLE32(mapversion); if (Bwrite(fil,&tl,4) != 4) goto writeerror; tl = B_LITTLE32(*daposx); if (Bwrite(fil,&tl,4) != 4) goto writeerror; tl = B_LITTLE32(*daposy); if (Bwrite(fil,&tl,4) != 4) goto writeerror; tl = B_LITTLE32(*daposz); if (Bwrite(fil,&tl,4) != 4) goto writeerror; ts = B_LITTLE16(*daang); if (Bwrite(fil,&ts,2) != 2) goto writeerror; ts = B_LITTLE16(*dacursectnum); if (Bwrite(fil,&ts,2) != 2) goto writeerror; ts = B_LITTLE16(numsectors); if (Bwrite(fil,&ts,2) != 2) goto writeerror; for (i=0; i 8) rendmode = 3; // GL renderer else if (dabpp == 8 && oldbpp != 8) rendmode = 0; // going from GL to software activates classic #endif xdim = daxdim; ydim = daydim; // determine the corrective factor for pixel-squareness. Build // is built around the non-square pixels of Mode 13h, so to get // things back square on VGA screens, things need to be "compressed" // vertically a little. widescreen = 0; tallscreen = 0; if ((xdim == 320 && ydim == 200) || (xdim == 640 && ydim == 400)) { pixelaspect = 65536; } else { int ratio = divscale16(ydim*320, xdim*240); pixelaspect = divscale16(240*320L,320*200L); if (ratio < 65536) { widescreen = 1; } else if (ratio > 65536) { tallscreen = 1; // let tall screens (eg. 1280x1024) stretch the 2D elements // vertically a little until something better is thought of pixelaspect = divscale16(ydim*320L,xdim*200L); } } j = ydim*4*sizeof(int); //Leave room for horizlookup&horizlookup2 if (lookups != NULL) { kfree((void *)lookups); lookups = NULL; } if ((lookups = kmalloc(j<<1)) == NULL) { engineerrstr = "Failed to allocate lookups memory"; return -1; } horizlookup = (int *)(lookups); horizlookup2 = (int *)((intptr_t)lookups+j); horizycent = ((ydim*4)>>1); //Force drawrooms to call dosetaspect & recalculate stuff oxyaspect = oxdimen = oviewingrange = -1; setvlinebpl(bytesperline); j = 0; for(i=0;i<=ydim;i++) ylookup[i] = j, j += bytesperline; setview(0L,0L,xdim-1,ydim-1); #if USE_POLYMOST && USE_OPENGL if (rendmode == 3) { polymost_glreset(); polymost_glinit(); } #endif setbrightness(curbrightness,&palette[0],0); clearallviews(0L); if (searchx < 0) { searchx = halfxdimen; searchy = (ydimen>>1); } qsetmode = 200; //memset(ratelimitlast,0,sizeof(ratelimitlast)); //ratelimitn = 0; return(0); } // // nextpage // void nextpage(void) { int i; permfifotype *per; //char snotbuf[32]; //j = 0; k = 0; //for(i=0;i<4096;i++) // if (waloff[i] != 0) // { // sprintf(snotbuf,"%ld-%ld",i,tilesizx[i]*tilesizy[i]); // printext256((j>>5)*40+32,(j&31)*6,walock[i]>>3,-1,snotbuf,1); // k += tilesizx[i]*tilesizy[i]; // j++; // } //sprintf(snotbuf,"Total: %ld",k); //printext256((j>>5)*40+32,(j&31)*6,31,-1,snotbuf,1); switch(qsetmode) { case 200: begindrawing(); //{{{ for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1))) { per = &permfifo[i]; if ((per->pagesleft > 0) && (per->pagesleft <= numpages)) dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum, per->dashade,per->dapalnum,per->dastat, per->cx1,per->cy1,per->cx2,per->cy2,per->uniqid); } enddrawing(); //}}} OSD_Draw(); #if USE_POLYMOST polymost_nextpage(); #endif if (captureatnextpage) { if (captureformat == 0) screencapture_tga(capturename,captureatnextpage&1); else screencapture_pcx(capturename,captureatnextpage&1); captureatnextpage = 0; } showframe(); #if USE_POLYMOST && USE_OPENGL polymost_aftershowframe(); #endif /* if (ratelimit > 0) { int delaytime; unsigned int thisticks, thist; ratelimitlast[ ratelimitn++ & 31 ] = thist = getusecticks(); delaytime = 0; if (ratelimitn >= 32) { for (i=1;i<32;i++) delaytime += ratelimitlast[i] - ratelimitlast[i-1]; delaytime = (1000000/ratelimit) - (delaytime/31); } #ifdef _WIN32 while (delaytime > 0) { Sleep(1); thisticks = getusecticks(); delaytime -= (thisticks - thist); thist = thisticks; } #endif } */ begindrawing(); //{{{ for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1))) { per = &permfifo[i]; if (per->pagesleft >= 130) dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum, per->dashade,per->dapalnum,per->dastat, per->cx1,per->cy1,per->cx2,per->cy2,per->uniqid); if ((per->pagesleft&127) && (numpages < 127)) per->pagesleft--; if (((per->pagesleft&127) == 0) && (i == permtail)) permtail = ((permtail+1)&(MAXPERMS-1)); } enddrawing(); //}}} break; case 350: case 480: break; } faketimerhandler(); if ((totalclock >= lastageclock+8) || (totalclock < lastageclock)) { lastageclock = totalclock; agecache(); } #if USE_POLYMOST && USE_OPENGL omdtims = mdtims; mdtims = getticks(); if (((unsigned int)(mdtims-omdtims)) > 10000) omdtims = mdtims; #endif beforedrawrooms = 1; numframes++; } // // loadpics // int loadpics(char *filename, int askedsize) { int offscount, localtilestart, localtileend, dasiz; short fil, i, j, k; Bstrcpy(artfilename,filename); for(i=0;i>5),0L); //try dpmi_DETERMINEMAXREALALLOC! //cachesize = min((int)((Bgetsysmemsize()/100)*60),max(artsize,askedsize)); if (Bgetsysmemsize() <= (unsigned int)askedsize) cachesize = (Bgetsysmemsize()/100)*60; else cachesize = askedsize; while ((pic = kmalloc(cachesize)) == NULL) { cachesize -= 65536L; if (cachesize < 65536) return(-1); } initcache(pic, cachesize); for(i=0;i 1) && (pow2long[j] > tilesizx[i])) j--; picsiz[i] = ((unsigned char)j); j = 15; while ((j > 1) && (pow2long[j] > tilesizy[i])) j--; picsiz[i] += ((unsigned char)(j<<4)); } artfil = -1; artfilnum = -1; artfilplc = 0L; return(0); } // // loadtile // char cachedebug = 0; void loadtile(short tilenume) { char *ptr; int i, dasiz; if ((unsigned)tilenume >= (unsigned)MAXTILES) return; dasiz = tilesizx[tilenume]*tilesizy[tilenume]; if (dasiz <= 0) return; i = tilefilenum[tilenume]; if (i != artfilnum) { if (artfil != -1) kclose(artfil); artfilnum = i; artfilplc = 0L; artfilename[7] = (i%10)+48; artfilename[6] = ((i/10)%10)+48; artfilename[5] = ((i/100)%10)+48; artfil = kopen4load(artfilename,0); faketimerhandler(); } if (cachedebug) buildprintf("Tile:%d\n",tilenume); if (waloff[tilenume] == 0) { walock[tilenume] = 199; allocache((void **)&waloff[tilenume],dasiz,&walock[tilenume]); } if (artfilplc != tilefileoffs[tilenume]) { klseek(artfil,tilefileoffs[tilenume]-artfilplc,BSEEK_CUR); faketimerhandler(); } ptr = (char *)waloff[tilenume]; kread(artfil,ptr,dasiz); faketimerhandler(); artfilplc = tilefileoffs[tilenume]+dasiz; } // // allocatepermanenttile // int allocatepermanenttile(short tilenume, int xsiz, int ysiz) { int j, dasiz; if ((xsiz <= 0) || (ysiz <= 0) || ((unsigned)tilenume >= (unsigned)MAXTILES)) return(0); dasiz = xsiz*ysiz; walock[tilenume] = 255; allocache((void **)&waloff[tilenume],dasiz,&walock[tilenume]); tilesizx[tilenume] = xsiz; tilesizy[tilenume] = ysiz; picanm[tilenume] = 0; j = 15; while ((j > 1) && (pow2long[j] > xsiz)) j--; picsiz[tilenume] = ((unsigned char)j); j = 15; while ((j > 1) && (pow2long[j] > ysiz)) j--; picsiz[tilenume] += ((unsigned char)(j<<4)); return(waloff[tilenume]); } // // copytilepiece // void copytilepiece(int tilenume1, int sx1, int sy1, int xsiz, int ysiz, int tilenume2, int sx2, int sy2) { unsigned char *ptr1, *ptr2, dat; int xsiz1, ysiz1, xsiz2, ysiz2, i, j, x1, y1, x2, y2; xsiz1 = tilesizx[tilenume1]; ysiz1 = tilesizy[tilenume1]; xsiz2 = tilesizx[tilenume2]; ysiz2 = tilesizy[tilenume2]; if ((xsiz1 > 0) && (ysiz1 > 0) && (xsiz2 > 0) && (ysiz2 > 0)) { if (waloff[tilenume1] == 0) loadtile(tilenume1); if (waloff[tilenume2] == 0) loadtile(tilenume2); x1 = sx1; for(i=0;i= 0) && (y2 >= 0) && (x2 < xsiz2) && (y2 < ysiz2)) { ptr1 = (unsigned char *)(waloff[tilenume1] + x1*ysiz1 + y1); ptr2 = (unsigned char *)(waloff[tilenume2] + x2*ysiz2 + y2); dat = *ptr1; if (dat != 255) *ptr2 = *ptr1; } y1++; if (y1 >= ysiz1) y1 = 0; } x1++; if (x1 >= xsiz1) x1 = 0; } } } // // qloadkvx // int qloadkvx(int voxindex, char *filename) { int i, fil, dasiz, lengcnt, lengtot; unsigned char *ptr; if ((fil = kopen4load(filename,0)) == -1) return -1; lengcnt = 0; lengtot = kfilelength(fil); for(i=0;i= lengtot-768) break; } kclose(fil); #if USE_POLYMOST && USE_OPENGL if (voxmodels[voxindex]) { voxfree(voxmodels[voxindex]); voxmodels[voxindex] = NULL; } voxmodels[voxindex] = voxload(filename); #endif return 0; } // // clipinsidebox // int clipinsidebox(int x, int y, short wallnum, int walldist) { walltype *wal; int x1, y1, x2, y2, r; r = (walldist<<1); wal = &wall[wallnum]; x1 = wal->x+walldist-x; y1 = wal->y+walldist-y; wal = &wall[wal->point2]; x2 = wal->x+walldist-x; y2 = wal->y+walldist-y; if ((x1 < 0) && (x2 < 0)) return(0); if ((y1 < 0) && (y2 < 0)) return(0); if ((x1 >= r) && (x2 >= r)) return(0); if ((y1 >= r) && (y2 >= r)) return(0); x2 -= x1; y2 -= y1; if (x2*(walldist-y1) >= y2*(walldist-x1)) //Front { if (x2 > 0) x2 *= (0-y1); else x2 *= (r-y1); if (y2 > 0) y2 *= (r-x1); else y2 *= (0-x1); return(x2 < y2); } if (x2 > 0) x2 *= (r-y1); else x2 *= (0-y1); if (y2 > 0) y2 *= (0-x1); else y2 *= (r-x1); return((x2 >= y2)<<1); } // // clipinsideboxline // int clipinsideboxline(int x, int y, int x1, int y1, int x2, int y2, int walldist) { int r; r = (walldist<<1); x1 += walldist-x; x2 += walldist-x; if ((x1 < 0) && (x2 < 0)) return(0); if ((x1 >= r) && (x2 >= r)) return(0); y1 += walldist-y; y2 += walldist-y; if ((y1 < 0) && (y2 < 0)) return(0); if ((y1 >= r) && (y2 >= r)) return(0); x2 -= x1; y2 -= y1; if (x2*(walldist-y1) >= y2*(walldist-x1)) //Front { if (x2 > 0) x2 *= (0-y1); else x2 *= (r-y1); if (y2 > 0) y2 *= (r-x1); else y2 *= (0-x1); return(x2 < y2); } if (x2 > 0) x2 *= (r-y1); else x2 *= (0-y1); if (y2 > 0) y2 *= (0-x1); else y2 *= (r-x1); return((x2 >= y2)<<1); } // // inside // int inside(int x, int y, short sectnum) { walltype *wal; int i, x1, y1, x2, y2; unsigned int cnt; if ((sectnum < 0) || (sectnum >= numsectors)) return(-1); cnt = 0; wal = &wall[sector[sectnum].wallptr]; i = sector[sectnum].wallnum; do { y1 = wal->y-y; y2 = wall[wal->point2].y-y; if ((y1^y2) < 0) { x1 = wal->x-x; x2 = wall[wal->point2].x-x; if ((x1^x2) >= 0) cnt ^= x1; else cnt ^= (x1*y2-x2*y1)^y2; } wal++; i--; } while (i); return(cnt>>31); } // // getangle // int getangle(int xvect, int yvect) { if ((xvect|yvect) == 0) return(0); if (xvect == 0) return(512+((yvect<0)<<10)); if (yvect == 0) return(((xvect<0)<<10)); if (xvect == yvect) return(256+((xvect<0)<<10)); if (xvect == -yvect) return(768+((xvect>0)<<10)); if (klabs(xvect) > klabs(yvect)) return(((radarang[640+scale(160,yvect,xvect)]>>6)+((xvect<0)<<10))&2047); return(((radarang[640-scale(160,xvect,yvect)]>>6)+512+((yvect<0)<<10))&2047); } // // ksqrt // int ksqrt(int num) { return(nsqrtasm(num)); } // // krecip // int krecip(int num) { return(krecipasm(num)); } // // setsprite // int setsprite(short spritenum, int newx, int newy, int newz) { short tempsectnum; sprite[spritenum].x = newx; sprite[spritenum].y = newy; sprite[spritenum].z = newz; tempsectnum = sprite[spritenum].sectnum; updatesector(newx,newy,&tempsectnum); if (tempsectnum < 0) return(-1); if (tempsectnum != sprite[spritenum].sectnum) changespritesect(spritenum,tempsectnum); return(0); } // // setspritez // int setspritez(short spritenum, int newx, int newy, int newz) { short tempsectnum; sprite[spritenum].x = newx; sprite[spritenum].y = newy; sprite[spritenum].z = newz; tempsectnum = sprite[spritenum].sectnum; updatesectorz(newx,newy,newz,&tempsectnum); if (tempsectnum < 0) return(-1); if (tempsectnum != sprite[spritenum].sectnum) changespritesect(spritenum,tempsectnum); return(0); } // // insertsprite // int insertsprite(short sectnum, short statnum) { insertspritestat(statnum); return(insertspritesect(sectnum)); } // // deletesprite // int deletesprite(short spritenum) { deletespritestat(spritenum); return(deletespritesect(spritenum)); } // // changespritesect // int changespritesect(short spritenum, short newsectnum) { if ((newsectnum < 0) || (newsectnum > MAXSECTORS)) return(-1); if (sprite[spritenum].sectnum == newsectnum) return(0); if (sprite[spritenum].sectnum == MAXSECTORS) return(-1); if (deletespritesect(spritenum) < 0) return(-1); insertspritesect(newsectnum); return(0); } // // changespritestat // int changespritestat(short spritenum, short newstatnum) { if ((newstatnum < 0) || (newstatnum > MAXSTATUS)) return(-1); if (sprite[spritenum].statnum == newstatnum) return(0); if (sprite[spritenum].statnum == MAXSTATUS) return(-1); if (deletespritestat(spritenum) < 0) return(-1); insertspritestat(newstatnum); return(0); } // // nextsectorneighborz // int nextsectorneighborz(short sectnum, int thez, short topbottom, short direction) { walltype *wal; int i, testz, nextz; short sectortouse; if (direction == 1) nextz = 0x7fffffff; else nextz = 0x80000000; sectortouse = -1; wal = &wall[sector[sectnum].wallptr]; i = sector[sectnum].wallnum; do { if (wal->nextsector >= 0) { if (topbottom == 1) { testz = sector[wal->nextsector].floorz; if (direction == 1) { if ((testz > thez) && (testz < nextz)) { nextz = testz; sectortouse = wal->nextsector; } } else { if ((testz < thez) && (testz > nextz)) { nextz = testz; sectortouse = wal->nextsector; } } } else { testz = sector[wal->nextsector].ceilingz; if (direction == 1) { if ((testz > thez) && (testz < nextz)) { nextz = testz; sectortouse = wal->nextsector; } } else { if ((testz < thez) && (testz > nextz)) { nextz = testz; sectortouse = wal->nextsector; } } } } wal++; i--; } while (i != 0); return(sectortouse); } // // cansee // int cansee(int x1, int y1, int z1, short sect1, int x2, int y2, int z2, short sect2) { sectortype *sec; walltype *wal, *wal2; int i, cnt, nexts, x, y, z, cz, fz, dasectnum, dacnt, danum; int x21, y21, z21, x31, y31, x34, y34, bot, t; if ((x1 == x2) && (y1 == y2)) return(sect1 == sect2); x21 = x2-x1; y21 = y2-y1; z21 = z2-z1; clipsectorlist[0] = sect1; danum = 1; for(dacnt=0;dacntwallnum,wal=&wall[sec->wallptr];cnt>0;cnt--,wal++) { wal2 = &wall[wal->point2]; x31 = wal->x-x1; x34 = wal->x-wal2->x; y31 = wal->y-y1; y34 = wal->y-wal2->y; bot = y21*x34-x21*y34; if (bot <= 0) continue; t = y21*x31-x21*y31; if ((unsigned)t >= (unsigned)bot) continue; t = y31*x34-x31*y34; if ((unsigned)t >= (unsigned)bot) continue; nexts = wal->nextsector; if ((nexts < 0) || (wal->cstat&32)) return(0); t = divscale24(t,bot); x = x1 + mulscale24(x21,t); y = y1 + mulscale24(y21,t); z = z1 + mulscale24(z21,t); getzsofslope((short)dasectnum,x,y,&cz,&fz); if ((z <= cz) || (z >= fz)) return(0); getzsofslope((short)nexts,x,y,&cz,&fz); if ((z <= cz) || (z >= fz)) return(0); for(i=danum-1;i>=0;i--) if (clipsectorlist[i] == nexts) break; if (i < 0) clipsectorlist[danum++] = nexts; } } for(i=danum-1;i>=0;i--) if (clipsectorlist[i] == sect2) return(1); return(0); } // // hitscan // int hitscan(int xs, int ys, int zs, short sectnum, int vx, int vy, int vz, short *hitsect, short *hitwall, short *hitsprite, int *hitx, int *hity, int *hitz, unsigned int cliptype) { sectortype *sec; walltype *wal, *wal2; spritetype *spr; int z, zz, x1, y1=0, z1=0, x2, y2, x3, y3, x4, y4, intx, inty, intz; int topt, topu, bot, dist, offx, offy, cstat; int i, j, k, l, tilenum, xoff, yoff, dax, day, daz, daz2; int ang, cosang, sinang, xspan, yspan, xrepeat, yrepeat; int dawalclipmask, dasprclipmask; short tempshortcnt, tempshortnum, dasector, startwall, endwall; short nextsector; unsigned char clipyou; *hitsect = -1; *hitwall = -1; *hitsprite = -1; if (sectnum < 0) return(-1); *hitx = hitscangoalx; *hity = hitscangoaly; dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); clipsectorlist[0] = sectnum; tempshortcnt = 0; tempshortnum = 1; do { dasector = clipsectorlist[tempshortcnt]; sec = §or[dasector]; x1 = 0x7fffffff; if (sec->ceilingstat&2) { wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2]; dax = wal2->x-wal->x; day = wal2->y-wal->y; i = nsqrtasm(dax*dax+day*day); if (i == 0) continue; i = divscale15(sec->ceilingheinum,i); dax *= i; day *= i; j = (vz<<8)-dmulscale15(dax,vy,-day,vx); if (j != 0) { i = ((sec->ceilingz-zs)<<8)+dmulscale15(dax,ys-wal->y,-day,xs-wal->x); if (((i^j) >= 0) && ((klabs(i)>>1) < klabs(j))) { i = divscale30(i,j); x1 = xs + mulscale30(vx,i); y1 = ys + mulscale30(vy,i); z1 = zs + mulscale30(vz,i); } } } else if ((vz < 0) && (zs >= sec->ceilingz)) { z1 = sec->ceilingz; i = z1-zs; if ((klabs(i)>>1) < -vz) { i = divscale30(i,vz); x1 = xs + mulscale30(vx,i); y1 = ys + mulscale30(vy,i); } } if ((x1 != 0x7fffffff) && (klabs(x1-xs)+klabs(y1-ys) < klabs((*hitx)-xs)+klabs((*hity)-ys))) if (inside(x1,y1,dasector) != 0) { *hitsect = dasector; *hitwall = -1; *hitsprite = -1; *hitx = x1; *hity = y1; *hitz = z1; } x1 = 0x7fffffff; if (sec->floorstat&2) { wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2]; dax = wal2->x-wal->x; day = wal2->y-wal->y; i = nsqrtasm(dax*dax+day*day); if (i == 0) continue; i = divscale15(sec->floorheinum,i); dax *= i; day *= i; j = (vz<<8)-dmulscale15(dax,vy,-day,vx); if (j != 0) { i = ((sec->floorz-zs)<<8)+dmulscale15(dax,ys-wal->y,-day,xs-wal->x); if (((i^j) >= 0) && ((klabs(i)>>1) < klabs(j))) { i = divscale30(i,j); x1 = xs + mulscale30(vx,i); y1 = ys + mulscale30(vy,i); z1 = zs + mulscale30(vz,i); } } } else if ((vz > 0) && (zs <= sec->floorz)) { z1 = sec->floorz; i = z1-zs; if ((klabs(i)>>1) < vz) { i = divscale30(i,vz); x1 = xs + mulscale30(vx,i); y1 = ys + mulscale30(vy,i); } } if ((x1 != 0x7fffffff) && (klabs(x1-xs)+klabs(y1-ys) < klabs((*hitx)-xs)+klabs((*hity)-ys))) if (inside(x1,y1,dasector) != 0) { *hitsect = dasector; *hitwall = -1; *hitsprite = -1; *hitx = x1; *hity = y1; *hitz = z1; } startwall = sec->wallptr; endwall = startwall + sec->wallnum; for(z=startwall,wal=&wall[startwall];zpoint2]; x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y; if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue; if (rintersect(xs,ys,zs,vx,vy,vz,x1,y1,x2,y2,&intx,&inty,&intz) == 0) continue; if (klabs(intx-xs)+klabs(inty-ys) >= klabs((*hitx)-xs)+klabs((*hity)-ys)) continue; nextsector = wal->nextsector; if ((nextsector < 0) || (wal->cstat&dawalclipmask)) { *hitsect = dasector; *hitwall = z; *hitsprite = -1; *hitx = intx; *hity = inty; *hitz = intz; continue; } getzsofslope(nextsector,intx,inty,&daz,&daz2); if ((intz <= daz) || (intz >= daz2)) { *hitsect = dasector; *hitwall = z; *hitsprite = -1; *hitx = intx; *hity = inty; *hitz = intz; continue; } for(zz=tempshortnum-1;zz>=0;zz--) if (clipsectorlist[zz] == nextsector) break; if (zz < 0) clipsectorlist[tempshortnum++] = nextsector; } for(z=headspritesect[dasector];z>=0;z=nextspritesect[z]) { spr = &sprite[z]; cstat = spr->cstat; #if USE_POLYMOST if (!hitallsprites) #endif if ((cstat&dasprclipmask) == 0) continue; x1 = spr->x; y1 = spr->y; z1 = spr->z; switch(cstat&48) { case 0: topt = vx*(x1-xs) + vy*(y1-ys); if (topt <= 0) continue; bot = vx*vx + vy*vy; if (bot == 0) continue; intz = zs+scale(vz,topt,bot); i = (tilesizy[spr->picnum]*spr->yrepeat<<2); if (cstat&128) z1 += (i>>1); if (picanm[spr->picnum]&0x00ff0000) z1 -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if ((intz > z1) || (intz < z1-i)) continue; topu = vx*(y1-ys) - vy*(x1-xs); offx = scale(vx,topu,bot); offy = scale(vy,topu,bot); dist = offx*offx + offy*offy; i = tilesizx[spr->picnum]*spr->xrepeat; i *= i; if (dist > (i>>7)) continue; intx = xs + scale(vx,topt,bot); inty = ys + scale(vy,topt,bot); if (klabs(intx-xs)+klabs(inty-ys) > klabs((*hitx)-xs)+klabs((*hity)-ys)) continue; *hitsect = dasector; *hitwall = -1; *hitsprite = z; *hitx = intx; *hity = inty; *hitz = intz; break; case 16: //These lines get the 2 points of the rotated sprite //Given: (x1, y1) starts out as the center point tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); if ((cstat&4) > 0) xoff = -xoff; k = spr->ang; l = spr->xrepeat; dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l; l = tilesizx[tilenum]; k = (l>>1)+xoff; x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l); y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l); if ((cstat&64) != 0) //back side of 1-way sprite if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue; if (rintersect(xs,ys,zs,vx,vy,vz,x1,y1,x2,y2,&intx,&inty,&intz) == 0) continue; if (klabs(intx-xs)+klabs(inty-ys) > klabs((*hitx)-xs)+klabs((*hity)-ys)) continue; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if ((intz < daz) && (intz > daz-k)) { *hitsect = dasector; *hitwall = -1; *hitsprite = z; *hitx = intx; *hity = inty; *hitz = intz; } break; case 32: if (vz == 0) continue; intz = z1; if (((intz-zs)^vz) < 0) continue; if ((cstat&64) != 0) if ((zs > intz) == ((cstat&8)==0)) continue; intx = xs+scale(intz-zs,vx,vz); inty = ys+scale(intz-zs,vy,vz); if (klabs(intx-xs)+klabs(inty-ys) > klabs((*hitx)-xs)+klabs((*hity)-ys)) continue; tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); yoff = (int)((signed char)((picanm[tilenum]>>16)&255))+((int)spr->yoffset); if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; ang = spr->ang; cosang = sintable[(ang+512)&2047]; sinang = sintable[ang]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat; x1 += dmulscale16(sinang,dax,cosang,day)-intx; y1 += dmulscale16(sinang,day,-cosang,dax)-inty; l = xspan*xrepeat; x2 = x1 - mulscale16(sinang,l); y2 = y1 + mulscale16(cosang,l); l = yspan*yrepeat; k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k; k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k; clipyou = 0; if ((y1^y2) < 0) { if ((x1^x2) < 0) clipyou ^= (x1*y2= 0) clipyou ^= 1; } if ((y2^y3) < 0) { if ((x2^x3) < 0) clipyou ^= (x2*y3= 0) clipyou ^= 1; } if ((y3^y4) < 0) { if ((x3^x4) < 0) clipyou ^= (x3*y4= 0) clipyou ^= 1; } if ((y4^y1) < 0) { if ((x4^x1) < 0) clipyou ^= (x4*y1= 0) clipyou ^= 1; } if (clipyou != 0) { *hitsect = dasector; *hitwall = -1; *hitsprite = z; *hitx = intx; *hity = inty; *hitz = intz; } break; } } tempshortcnt++; } while (tempshortcnt < tempshortnum); return(0); } // // neartag // int neartag(int xs, int ys, int zs, short sectnum, short ange, short *neartagsector, short *neartagwall, short *neartagsprite, int *neartaghitdist, int neartagrange, unsigned char tagsearch) { walltype *wal, *wal2; spritetype *spr; int i, z, zz, xe, ye, ze, x1, y1, z1, x2, y2, intx, inty, intz; int topt, topu, bot, dist, offx, offy, vx, vy, vz; short tempshortcnt, tempshortnum, dasector, startwall, endwall; short nextsector, good; *neartagsector = -1; *neartagwall = -1; *neartagsprite = -1; *neartaghitdist = 0; if (sectnum < 0) return(0); if ((tagsearch < 1) || (tagsearch > 3)) return(0); vx = mulscale14(sintable[(ange+2560)&2047],neartagrange); xe = xs+vx; vy = mulscale14(sintable[(ange+2048)&2047],neartagrange); ye = ys+vy; vz = 0; ze = 0; clipsectorlist[0] = sectnum; tempshortcnt = 0; tempshortnum = 1; do { dasector = clipsectorlist[tempshortcnt]; startwall = sector[dasector].wallptr; endwall = startwall + sector[dasector].wallnum - 1; for(z=startwall,wal=&wall[startwall];z<=endwall;z++,wal++) { wal2 = &wall[wal->point2]; x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y; nextsector = wal->nextsector; good = 0; if (nextsector >= 0) { if ((tagsearch&1) && sector[nextsector].lotag) good |= 1; if ((tagsearch&2) && sector[nextsector].hitag) good |= 1; } if ((tagsearch&1) && wal->lotag) good |= 2; if ((tagsearch&2) && wal->hitag) good |= 2; if ((good == 0) && (nextsector < 0)) continue; if ((x1-xs)*(y2-ys) < (x2-xs)*(y1-ys)) continue; if (lintersect(xs,ys,zs,xe,ye,ze,x1,y1,x2,y2,&intx,&inty,&intz) == 1) { if (good != 0) { if (good&1) *neartagsector = nextsector; if (good&2) *neartagwall = z; *neartaghitdist = dmulscale14(intx-xs,sintable[(ange+2560)&2047],inty-ys,sintable[(ange+2048)&2047]); xe = intx; ye = inty; ze = intz; } if (nextsector >= 0) { for(zz=tempshortnum-1;zz>=0;zz--) if (clipsectorlist[zz] == nextsector) break; if (zz < 0) clipsectorlist[tempshortnum++] = nextsector; } } } for(z=headspritesect[dasector];z>=0;z=nextspritesect[z]) { spr = &sprite[z]; good = 0; if ((tagsearch&1) && spr->lotag) good |= 1; if ((tagsearch&2) && spr->hitag) good |= 1; if (good != 0) { x1 = spr->x; y1 = spr->y; z1 = spr->z; topt = vx*(x1-xs) + vy*(y1-ys); if (topt > 0) { bot = vx*vx + vy*vy; if (bot != 0) { intz = zs+scale(vz,topt,bot); i = tilesizy[spr->picnum]*spr->yrepeat; if (spr->cstat&128) z1 += (i<<1); if (picanm[spr->picnum]&0x00ff0000) z1 -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if ((intz <= z1) && (intz >= z1-(i<<2))) { topu = vx*(y1-ys) - vy*(x1-xs); offx = scale(vx,topu,bot); offy = scale(vy,topu,bot); dist = offx*offx + offy*offy; i = (tilesizx[spr->picnum]*spr->xrepeat); i *= i; if (dist <= (i>>7)) { intx = xs + scale(vx,topt,bot); inty = ys + scale(vy,topt,bot); if (klabs(intx-xs)+klabs(inty-ys) < klabs(xe-xs)+klabs(ye-ys)) { *neartagsprite = z; *neartaghitdist = dmulscale14(intx-xs,sintable[(ange+2560)&2047],inty-ys,sintable[(ange+2048)&2047]); xe = intx; ye = inty; ze = intz; } } } } } } } tempshortcnt++; } while (tempshortcnt < tempshortnum); return(0); } // // dragpoint // void dragpoint(short pointhighlight, int dax, int day) { short cnt, tempshort; wall[pointhighlight].x = dax; wall[pointhighlight].y = day; cnt = MAXWALLS; tempshort = pointhighlight; //search points CCW do { if (wall[tempshort].nextwall >= 0) { tempshort = wall[wall[tempshort].nextwall].point2; wall[tempshort].x = dax; wall[tempshort].y = day; } else { tempshort = pointhighlight; //search points CW if not searched all the way around do { if (wall[lastwall(tempshort)].nextwall >= 0) { tempshort = wall[lastwall(tempshort)].nextwall; wall[tempshort].x = dax; wall[tempshort].y = day; } else { break; } cnt--; } while ((tempshort != pointhighlight) && (cnt > 0)); break; } cnt--; } while ((tempshort != pointhighlight) && (cnt > 0)); } // // lastwall // int lastwall(short point) { int i, j, cnt; if ((point > 0) && (wall[point-1].point2 == point)) return(point-1); i = point; cnt = MAXWALLS; do { j = wall[i].point2; if (j == point) return(i); i = j; cnt--; } while (cnt > 0); return(point); } #define addclipline(dax1, day1, dax2, day2, daoval) \ { \ if (clipnum < MAXCLIPNUM) { \ clipit[clipnum].x1 = dax1; clipit[clipnum].y1 = day1; \ clipit[clipnum].x2 = dax2; clipit[clipnum].y2 = day2; \ clipobjectval[clipnum] = daoval; \ clipnum++; \ } \ } \ int clipmoveboxtracenum = 3; // // clipmove // int clipmove (int *x, int *y, int *z, short *sectnum, int xvect, int yvect, int walldist, int ceildist, int flordist, unsigned int cliptype) { walltype *wal, *wal2; spritetype *spr; sectortype *sec, *sec2; int i, j, templong1, templong2; int oxvect, oyvect, goalx, goaly, intx, inty, lx, ly, retval; int k, l, clipsectcnt, startwall, endwall, cstat, dasect; int x1, y1, x2, y2, cx, cy, rad, xmin, ymin, xmax, ymax, daz, daz2; int bsz, dax, day, xoff, yoff, xspan, yspan, cosang, sinang, tilenum; int xrepeat, yrepeat, gx, gy, dx, dy, dasprclipmask, dawalclipmask; int hitwall, cnt, clipyou; if (((xvect|yvect) == 0) || (*sectnum < 0)) return(0); retval = 0; oxvect = xvect; oyvect = yvect; goalx = (*x) + (xvect>>14); goaly = (*y) + (yvect>>14); clipnum = 0; cx = (((*x)+goalx)>>1); cy = (((*y)+goaly)>>1); //Extra walldist for sprites on sector lines gx = goalx-(*x); gy = goaly-(*y); rad = nsqrtasm(gx*gx + gy*gy) + MAXCLIPDIST+walldist + 8; xmin = cx-rad; ymin = cy-rad; xmax = cx+rad; ymax = cy+rad; dawalclipmask = (cliptype&65535); //CLIPMASK0 = 0x00010001 dasprclipmask = (cliptype>>16); //CLIPMASK1 = 0x01000040 clipsectorlist[0] = (*sectnum); clipsectcnt = 0; clipsectnum = 1; do { dasect = clipsectorlist[clipsectcnt++]; sec = §or[dasect]; startwall = sec->wallptr; endwall = startwall + sec->wallnum; for(j=startwall,wal=&wall[startwall];jpoint2]; if ((wal->x < xmin) && (wal2->x < xmin)) continue; if ((wal->x > xmax) && (wal2->x > xmax)) continue; if ((wal->y < ymin) && (wal2->y < ymin)) continue; if ((wal->y > ymax) && (wal2->y > ymax)) continue; x1 = wal->x; y1 = wal->y; x2 = wal2->x; y2 = wal2->y; dx = x2-x1; dy = y2-y1; if (dx*((*y)-y1) < ((*x)-x1)*dy) continue; //If wall's not facing you if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1); if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1); if (dax >= day) continue; clipyou = 0; if ((wal->nextsector < 0) || (wal->cstat&dawalclipmask)) clipyou = 1; else if (editstatus == 0) { if (rintersect(*x,*y,0,gx,gy,0,x1,y1,x2,y2,&dax,&day,&daz) == 0) dax = *x, day = *y; daz = getflorzofslope((short)dasect,dax,day); daz2 = getflorzofslope(wal->nextsector,dax,day); sec2 = §or[wal->nextsector]; if (daz2 < daz-(1<<8)) if ((sec2->floorstat&1) == 0) if ((*z) >= daz2-(flordist-1)) clipyou = 1; if (clipyou == 0) { daz = getceilzofslope((short)dasect,dax,day); daz2 = getceilzofslope(wal->nextsector,dax,day); if (daz2 > daz+(1<<8)) if ((sec2->ceilingstat&1) == 0) if ((*z) <= daz2+(ceildist-1)) clipyou = 1; } } if (clipyou) { //Add 2 boxes at endpoints bsz = walldist; if (gx < 0) bsz = -bsz; addclipline(x1-bsz,y1-bsz,x1-bsz,y1+bsz,(short)j+32768); addclipline(x2-bsz,y2-bsz,x2-bsz,y2+bsz,(short)j+32768); bsz = walldist; if (gy < 0) bsz = -bsz; addclipline(x1+bsz,y1-bsz,x1-bsz,y1-bsz,(short)j+32768); addclipline(x2+bsz,y2-bsz,x2-bsz,y2-bsz,(short)j+32768); dax = walldist; if (dy > 0) dax = -dax; day = walldist; if (dx < 0) day = -day; addclipline(x1+dax,y1+day,x2+dax,y2+day,(short)j+32768); } else { for(i=clipsectnum-1;i>=0;i--) if (wal->nextsector == clipsectorlist[i]) break; if (i < 0) clipsectorlist[clipsectnum++] = wal->nextsector; } } for(j=headspritesect[dasect];j>=0;j=nextspritesect[j]) { spr = &sprite[j]; cstat = spr->cstat; if ((cstat&dasprclipmask) == 0) continue; x1 = spr->x; y1 = spr->y; switch(cstat&48) { case 0: if ((x1 >= xmin) && (x1 <= xmax) && (y1 >= ymin) && (y1 <= ymax)) { k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if (((*z) < daz+ceildist) && ((*z) > daz-k-flordist)) { bsz = (spr->clipdist<<2)+walldist; if (gx < 0) bsz = -bsz; addclipline(x1-bsz,y1-bsz,x1-bsz,y1+bsz,(short)j+49152); bsz = (spr->clipdist<<2)+walldist; if (gy < 0) bsz = -bsz; addclipline(x1+bsz,y1-bsz,x1-bsz,y1-bsz,(short)j+49152); } } break; case 16: k = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (cstat&128) daz = spr->z+(k>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); daz2 = daz-k; daz += ceildist; daz2 -= flordist; if (((*z) < daz) && ((*z) > daz2)) { //These lines get the 2 points of the rotated sprite //Given: (x1, y1) starts out as the center point tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); if ((cstat&4) > 0) xoff = -xoff; k = spr->ang; l = spr->xrepeat; dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l; l = tilesizx[tilenum]; k = (l>>1)+xoff; x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l); y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l); if (clipinsideboxline(cx,cy,x1,y1,x2,y2,rad) != 0) { dax = mulscale14(sintable[(spr->ang+256+512)&2047],walldist); day = mulscale14(sintable[(spr->ang+256)&2047],walldist); if ((x1-(*x))*(y2-(*y)) >= (x2-(*x))*(y1-(*y))) //Front { addclipline(x1+dax,y1+day,x2+day,y2-dax,(short)j+49152); } else { if ((cstat&64) != 0) continue; addclipline(x2-dax,y2-day,x1-day,y1+dax,(short)j+49152); } //Side blocker if ((x2-x1)*((*x)-x1) + (y2-y1)*((*y)-y1) < 0) { addclipline(x1-day,y1+dax,x1+dax,y1+day,(short)j+49152); } else if ((x1-x2)*((*x)-x2) + (y1-y2)*((*y)-y2) < 0) { addclipline(x2+day,y2-dax,x2-dax,y2-day,(short)j+49152); } } } break; case 32: daz = spr->z+ceildist; daz2 = spr->z-flordist; if (((*z) < daz) && ((*z) > daz2)) { if ((cstat&64) != 0) if (((*z) > spr->z) == ((cstat&8)==0)) continue; tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); yoff = (int)((signed char)((picanm[tilenum]>>16)&255))+((int)spr->yoffset); if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; k = spr->ang; cosang = sintable[(k+512)&2047]; sinang = sintable[k]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat; rxi[0] = x1 + dmulscale16(sinang,dax,cosang,day); ryi[0] = y1 + dmulscale16(sinang,day,-cosang,dax); l = xspan*xrepeat; rxi[1] = rxi[0] - mulscale16(sinang,l); ryi[1] = ryi[0] + mulscale16(cosang,l); l = yspan*yrepeat; k = -mulscale16(cosang,l); rxi[2] = rxi[1]+k; rxi[3] = rxi[0]+k; k = -mulscale16(sinang,l); ryi[2] = ryi[1]+k; ryi[3] = ryi[0]+k; dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist); day = mulscale14(sintable[(spr->ang-256)&2047],walldist); if ((rxi[0]-(*x))*(ryi[1]-(*y)) < (rxi[1]-(*x))*(ryi[0]-(*y))) { if (clipinsideboxline(cx,cy,rxi[1],ryi[1],rxi[0],ryi[0],rad) != 0) addclipline(rxi[1]-day,ryi[1]+dax,rxi[0]+dax,ryi[0]+day,(short)j+49152); } else if ((rxi[2]-(*x))*(ryi[3]-(*y)) < (rxi[3]-(*x))*(ryi[2]-(*y))) { if (clipinsideboxline(cx,cy,rxi[3],ryi[3],rxi[2],ryi[2],rad) != 0) addclipline(rxi[3]+day,ryi[3]-dax,rxi[2]-dax,ryi[2]-day,(short)j+49152); } if ((rxi[1]-(*x))*(ryi[2]-(*y)) < (rxi[2]-(*x))*(ryi[1]-(*y))) { if (clipinsideboxline(cx,cy,rxi[2],ryi[2],rxi[1],ryi[1],rad) != 0) addclipline(rxi[2]-dax,ryi[2]-day,rxi[1]-day,ryi[1]+dax,(short)j+49152); } else if ((rxi[3]-(*x))*(ryi[0]-(*y)) < (rxi[0]-(*x))*(ryi[3]-(*y))) { if (clipinsideboxline(cx,cy,rxi[0],ryi[0],rxi[3],ryi[3],rad) != 0) addclipline(rxi[0]+dax,ryi[0]+day,rxi[3]+day,ryi[3]-dax,(short)j+49152); } } break; } } } while (clipsectcnt < clipsectnum); hitwall = 0; cnt = clipmoveboxtracenum; do { intx = goalx; inty = goaly; if ((hitwall = raytrace(*x, *y, &intx, &inty)) >= 0) { lx = clipit[hitwall].x2-clipit[hitwall].x1; ly = clipit[hitwall].y2-clipit[hitwall].y1; templong2 = lx*lx + ly*ly; if (templong2 > 0) { templong1 = (goalx-intx)*lx + (goaly-inty)*ly; if ((klabs(templong1)>>11) < templong2) i = divscale20(templong1,templong2); else i = 0; goalx = mulscale20(lx,i)+intx; goaly = mulscale20(ly,i)+inty; } templong1 = dmulscale6(lx,oxvect,ly,oyvect); for(i=cnt+1;i<=clipmoveboxtracenum;i++) { j = hitwalls[i]; templong2 = dmulscale6(clipit[j].x2-clipit[j].x1,oxvect,clipit[j].y2-clipit[j].y1,oyvect); if ((templong1^templong2) < 0) { updatesector(*x,*y,sectnum); return(retval); } } keepaway(&goalx, &goaly, hitwall); xvect = ((goalx-intx)<<14); yvect = ((goaly-inty)<<14); if (cnt == clipmoveboxtracenum) retval = clipobjectval[hitwall]; hitwalls[cnt] = hitwall; } cnt--; *x = intx; *y = inty; } while (((xvect|yvect) != 0) && (hitwall >= 0) && (cnt > 0)); for(j=0;j=0;j--) if (inside(*x,*y,j) == 1) { if (sector[j].ceilingstat&2) templong2 = (getceilzofslope((short)j,*x,*y)-(*z)); else templong2 = (sector[j].ceilingz-(*z)); if (templong2 > 0) { if (templong2 < templong1) { *sectnum = j; templong1 = templong2; } } else { if (sector[j].floorstat&2) templong2 = ((*z)-getflorzofslope((short)j,*x,*y)); else templong2 = ((*z)-sector[j].floorz); if (templong2 <= 0) { *sectnum = j; return(retval); } if (templong2 < templong1) { *sectnum = j; templong1 = templong2; } } } return(retval); } // // pushmove // int pushmove (int *x, int *y, int *z, short *sectnum, int walldist, int ceildist, int flordist, unsigned int cliptype) { sectortype *sec, *sec2; walltype *wal, *wal2; spritetype *spr; int i, j, k, t, dx, dy, dax, day, daz, daz2, bad, dir; int dasprclipmask, dawalclipmask; short startwall, endwall, clipsectcnt; char bad2; if ((*sectnum) < 0) return(-1); dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); k = 32; dir = 1; do { bad = 0; clipsectorlist[0] = *sectnum; clipsectcnt = 0; clipsectnum = 1; do { /*Push FACE sprites for(i=headspritesect[clipsectorlist[clipsectcnt]];i>=0;i=nextspritesect[i]) { spr = &sprite[i]; if (((spr->cstat&48) != 0) && ((spr->cstat&48) != 48)) continue; if ((spr->cstat&dasprclipmask) == 0) continue; dax = (*x)-spr->x; day = (*y)-spr->y; t = (spr->clipdist<<2)+walldist; if ((klabs(dax) < t) && (klabs(day) < t)) { t = ((tilesizy[spr->picnum]*spr->yrepeat)<<2); if (spr->cstat&128) daz = spr->z+(t>>1); else daz = spr->z; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); if (((*z) < daz+ceildist) && ((*z) > daz-t-flordist)) { t = (spr->clipdist<<2)+walldist; j = getangle(dax,day); dx = (sintable[(j+512)&2047]>>11); dy = (sintable[(j)&2047]>>11); bad2 = 16; do { *x = (*x) + dx; *y = (*y) + dy; bad2--; if (bad2 == 0) break; } while ((klabs((*x)-spr->x) < t) && (klabs((*y)-spr->y) < t)); bad = -1; k--; if (k <= 0) return(bad); updatesector(*x,*y,sectnum); } } }*/ sec = §or[clipsectorlist[clipsectcnt]]; if (dir > 0) startwall = sec->wallptr, endwall = startwall + sec->wallnum; else endwall = sec->wallptr, startwall = endwall + sec->wallnum; for(i=startwall,wal=&wall[startwall];i!=endwall;i+=dir,wal+=dir) if (clipinsidebox(*x,*y,i,walldist-4) == 1) { j = 0; if (wal->nextsector < 0) j = 1; if (wal->cstat&dawalclipmask) j = 1; if (j == 0) { sec2 = §or[wal->nextsector]; //Find closest point on wall (dax, day) to (*x, *y) dax = wall[wal->point2].x-wal->x; day = wall[wal->point2].y-wal->y; daz = dax*((*x)-wal->x) + day*((*y)-wal->y); if (daz <= 0) t = 0; else { daz2 = dax*dax+day*day; if (daz >= daz2) t = (1<<30); else t = divscale30(daz,daz2); } dax = wal->x + mulscale30(dax,t); day = wal->y + mulscale30(day,t); daz = getflorzofslope(clipsectorlist[clipsectcnt],dax,day); daz2 = getflorzofslope(wal->nextsector,dax,day); if ((daz2 < daz-(1<<8)) && ((sec2->floorstat&1) == 0)) if (*z >= daz2-(flordist-1)) j = 1; daz = getceilzofslope(clipsectorlist[clipsectcnt],dax,day); daz2 = getceilzofslope(wal->nextsector,dax,day); if ((daz2 > daz+(1<<8)) && ((sec2->ceilingstat&1) == 0)) if (*z <= daz2+(ceildist-1)) j = 1; } if (j != 0) { j = getangle(wall[wal->point2].x-wal->x,wall[wal->point2].y-wal->y); dx = (sintable[(j+1024)&2047]>>11); dy = (sintable[(j+512)&2047]>>11); bad2 = 16; do { *x = (*x) + dx; *y = (*y) + dy; bad2--; if (bad2 == 0) break; } while (clipinsidebox(*x,*y,i,walldist-4) != 0); bad = -1; k--; if (k <= 0) return(bad); updatesector(*x,*y,sectnum); } else { for(j=clipsectnum-1;j>=0;j--) if (wal->nextsector == clipsectorlist[j]) break; if (j < 0) clipsectorlist[clipsectnum++] = wal->nextsector; } } clipsectcnt++; } while (clipsectcnt < clipsectnum); dir = -dir; } while (bad != 0); return(bad); } // // updatesector[z] // void updatesector(int x, int y, short *sectnum) { walltype *wal; int i, j; if (inside(x,y,*sectnum) == 1) return; if ((*sectnum >= 0) && (*sectnum < numsectors)) { wal = &wall[sector[*sectnum].wallptr]; j = sector[*sectnum].wallnum; do { i = wal->nextsector; if (i >= 0) if (inside(x,y,(short)i) == 1) { *sectnum = i; return; } wal++; j--; } while (j != 0); } for(i=numsectors-1;i>=0;i--) if (inside(x,y,(short)i) == 1) { *sectnum = i; return; } *sectnum = -1; } void updatesectorz(int x, int y, int z, short *sectnum) { walltype *wal; int i, j, cz, fz; getzsofslope(*sectnum, x, y, &cz, &fz); if ((z >= cz) && (z <= fz)) if (inside(x,y,*sectnum) != 0) return; if ((*sectnum >= 0) && (*sectnum < numsectors)) { wal = &wall[sector[*sectnum].wallptr]; j = sector[*sectnum].wallnum; do { i = wal->nextsector; if (i >= 0) { getzsofslope(i, x, y, &cz, &fz); if ((z >= cz) && (z <= fz)) if (inside(x,y,(short)i) == 1) { *sectnum = i; return; } } wal++; j--; } while (j != 0); } for (i=numsectors-1;i>=0;i--) { getzsofslope(i, x, y, &cz, &fz); if ((z >= cz) && (z <= fz)) if (inside(x,y,(short)i) == 1) { *sectnum = i; return; } } *sectnum = -1; } // // rotatepoint // void rotatepoint(int xpivot, int ypivot, int x, int y, short daang, int *x2, int *y2) { int dacos, dasin; dacos = sintable[(daang+2560)&2047]; dasin = sintable[(daang+2048)&2047]; x -= xpivot; y -= ypivot; *x2 = dmulscale14(x,dacos,-y,dasin) + xpivot; *y2 = dmulscale14(y,dacos,x,dasin) + ypivot; } // // getmousevalues // void getmousevalues(int *mousx, int *mousy, int *bstatus) { readmousexy(mousx,mousy); readmousebstatus(bstatus); } // // krand // int krand(void) { randomseed = (randomseed*27584621)+1; return(((unsigned int)randomseed)>>16); } // // getzrange // void getzrange(int x, int y, int z, short sectnum, int *ceilz, int *ceilhit, int *florz, int *florhit, int walldist, unsigned int cliptype) { sectortype *sec; walltype *wal, *wal2; spritetype *spr; int clipsectcnt, startwall, endwall, tilenum, xoff, yoff, dax, day; int xmin, ymin, xmax, ymax, i, j, k, l, daz, daz2, dx, dy; int x1, y1, x2, y2, x3, y3, x4, y4, ang, cosang, sinang; int xspan, yspan, xrepeat, yrepeat, dasprclipmask, dawalclipmask; short cstat; unsigned char clipyou; if (sectnum < 0) { *ceilz = 0x80000000; *ceilhit = -1; *florz = 0x7fffffff; *florhit = -1; return; } //Extra walldist for sprites on sector lines i = walldist+MAXCLIPDIST+1; xmin = x-i; ymin = y-i; xmax = x+i; ymax = y+i; getzsofslope(sectnum,x,y,ceilz,florz); *ceilhit = sectnum+16384; *florhit = sectnum+16384; dawalclipmask = (cliptype&65535); dasprclipmask = (cliptype>>16); clipsectorlist[0] = sectnum; clipsectcnt = 0; clipsectnum = 1; do //Collect sectors inside your square first { sec = §or[clipsectorlist[clipsectcnt]]; startwall = sec->wallptr; endwall = startwall + sec->wallnum; for(j=startwall,wal=&wall[startwall];jnextsector; if (k >= 0) { wal2 = &wall[wal->point2]; x1 = wal->x; x2 = wal2->x; if ((x1 < xmin) && (x2 < xmin)) continue; if ((x1 > xmax) && (x2 > xmax)) continue; y1 = wal->y; y2 = wal2->y; if ((y1 < ymin) && (y2 < ymin)) continue; if ((y1 > ymax) && (y2 > ymax)) continue; dx = x2-x1; dy = y2-y1; if (dx*(y-y1) < (x-x1)*dy) continue; //back if (dx > 0) dax = dx*(ymin-y1); else dax = dx*(ymax-y1); if (dy > 0) day = dy*(xmax-x1); else day = dy*(xmin-x1); if (dax >= day) continue; if (wal->cstat&dawalclipmask) continue; sec = §or[k]; if (editstatus == 0) { if (((sec->ceilingstat&1) == 0) && (z <= sec->ceilingz+(3<<8))) continue; if (((sec->floorstat&1) == 0) && (z >= sec->floorz-(3<<8))) continue; } for(i=clipsectnum-1;i>=0;i--) if (clipsectorlist[i] == k) break; if (i < 0) clipsectorlist[clipsectnum++] = k; if ((x1 < xmin+MAXCLIPDIST) && (x2 < xmin+MAXCLIPDIST)) continue; if ((x1 > xmax-MAXCLIPDIST) && (x2 > xmax-MAXCLIPDIST)) continue; if ((y1 < ymin+MAXCLIPDIST) && (y2 < ymin+MAXCLIPDIST)) continue; if ((y1 > ymax-MAXCLIPDIST) && (y2 > ymax-MAXCLIPDIST)) continue; if (dx > 0) dax += dx*MAXCLIPDIST; else dax -= dx*MAXCLIPDIST; if (dy > 0) day -= dy*MAXCLIPDIST; else day += dy*MAXCLIPDIST; if (dax >= day) continue; //It actually got here, through all the continue's!!! getzsofslope((short)k,x,y,&daz,&daz2); if (daz > *ceilz) { *ceilz = daz; *ceilhit = k+16384; } if (daz2 < *florz) { *florz = daz2; *florhit = k+16384; } } } clipsectcnt++; } while (clipsectcnt < clipsectnum); for(i=0;i=0;j=nextspritesect[j]) { spr = &sprite[j]; cstat = spr->cstat; if (cstat&dasprclipmask) { x1 = spr->x; y1 = spr->y; clipyou = 0; switch(cstat&48) { case 0: k = walldist+(spr->clipdist<<2)+1; if ((klabs(x1-x) <= k) && (klabs(y1-y) <= k)) { daz = spr->z; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1); if (cstat&128) daz += k; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); daz2 = daz - (k<<1); clipyou = 1; } break; case 16: tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); if ((cstat&4) > 0) xoff = -xoff; k = spr->ang; l = spr->xrepeat; dax = sintable[k&2047]*l; day = sintable[(k+1536)&2047]*l; l = tilesizx[tilenum]; k = (l>>1)+xoff; x1 -= mulscale16(dax,k); x2 = x1+mulscale16(dax,l); y1 -= mulscale16(day,k); y2 = y1+mulscale16(day,l); if (clipinsideboxline(x,y,x1,y1,x2,y2,walldist+1) != 0) { daz = spr->z; k = ((tilesizy[spr->picnum]*spr->yrepeat)<<1); if (cstat&128) daz += k; if (picanm[spr->picnum]&0x00ff0000) daz -= ((int)((signed char)((picanm[spr->picnum]>>16)&255))*spr->yrepeat<<2); daz2 = daz-(k<<1); clipyou = 1; } break; case 32: daz = spr->z; daz2 = daz; if ((cstat&64) != 0) if ((z > daz) == ((cstat&8)==0)) continue; tilenum = spr->picnum; xoff = (int)((signed char)((picanm[tilenum]>>8)&255))+((int)spr->xoffset); yoff = (int)((signed char)((picanm[tilenum]>>16)&255))+((int)spr->yoffset); if ((cstat&4) > 0) xoff = -xoff; if ((cstat&8) > 0) yoff = -yoff; ang = spr->ang; cosang = sintable[(ang+512)&2047]; sinang = sintable[ang]; xspan = tilesizx[tilenum]; xrepeat = spr->xrepeat; yspan = tilesizy[tilenum]; yrepeat = spr->yrepeat; dax = ((xspan>>1)+xoff)*xrepeat; day = ((yspan>>1)+yoff)*yrepeat; x1 += dmulscale16(sinang,dax,cosang,day)-x; y1 += dmulscale16(sinang,day,-cosang,dax)-y; l = xspan*xrepeat; x2 = x1 - mulscale16(sinang,l); y2 = y1 + mulscale16(cosang,l); l = yspan*yrepeat; k = -mulscale16(cosang,l); x3 = x2+k; x4 = x1+k; k = -mulscale16(sinang,l); y3 = y2+k; y4 = y1+k; dax = mulscale14(sintable[(spr->ang-256+512)&2047],walldist+4); day = mulscale14(sintable[(spr->ang-256)&2047],walldist+4); x1 += dax; x2 -= day; x3 -= dax; x4 += day; y1 += day; y2 += dax; y3 -= day; y4 -= dax; if ((y1^y2) < 0) { if ((x1^x2) < 0) clipyou ^= (x1*y2= 0) clipyou ^= 1; } if ((y2^y3) < 0) { if ((x2^x3) < 0) clipyou ^= (x2*y3= 0) clipyou ^= 1; } if ((y3^y4) < 0) { if ((x3^x4) < 0) clipyou ^= (x3*y4= 0) clipyou ^= 1; } if ((y4^y1) < 0) { if ((x4^x1) < 0) clipyou ^= (x4*y1= 0) clipyou ^= 1; } break; } if (clipyou != 0) { if ((z > daz) && (daz > *ceilz)) { *ceilz = daz; *ceilhit = j+49152; } if ((z < daz2) && (daz2 < *florz)) { *florz = daz2; *florhit = j+49152; } } } } } } // // setview // void setview(int x1, int y1, int x2, int y2) { int i; float xfov; xfov = ((float)xdim / (float)ydim) / (4.f / 3.f); windowx1 = x1; wx1 = (x1<<12); windowy1 = y1; wy1 = (y1<<12); windowx2 = x2; wx2 = ((x2+1)<<12); windowy2 = y2; wy2 = ((y2+1)<<12); xdimen = (x2-x1)+1; halfxdimen = (xdimen>>1); xdimenrecip = divscale32(1L,xdimen); ydimen = (y2-y1)+1; setaspect((int)(65536.f * xfov), pixelaspect); for(i=0;i cx2) || (cy1 > cy2)) return; if (z <= 16) return; if (picanm[picnum]&192) picnum += animateoffs(picnum,(short)0xc000); if ((tilesizx[picnum] <= 0) || (tilesizy[picnum] <= 0)) return; if (((dastat&128) == 0) || (numpages < 2) || (beforedrawrooms != 0)) { begindrawing(); //{{{ dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2,guniqhudid); enddrawing(); //}}} } if ((dastat&64) && (cx1 <= 0) && (cy1 <= 0) && (cx2 >= xdim-1) && (cy2 >= ydim-1) && (sx == (160<<16)) && (sy == (100<<16)) && (z == 65536L) && (a == 0) && ((dastat&1) == 0)) permhead = permtail = 0; if ((dastat&128) == 0) return; if (numpages >= 2) { if (((permhead+1)&(MAXPERMS-1)) == permtail) { for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1))) { if ((permfifo[i].pagesleft&127) == 0) { if (gap < 0) gap = i; } else if (gap >= 0) { copybufbyte(&permfifo[i], &permfifo[gap], sizeof(permfifotype)); permfifo[i].pagesleft = 0; for (;gap!=i;gap=((gap+1)&(MAXPERMS-1))) if ((permfifo[gap].pagesleft&127) == 0) break; if (gap==i) gap = -1; } } if (gap >= 0) permhead = gap; else permtail = ((permtail+1)&(MAXPERMS-1)); } per = &permfifo[permhead]; per->sx = sx; per->sy = sy; per->z = z; per->a = a; per->picnum = picnum; per->dashade = dashade; per->dapalnum = dapalnum; per->dastat = dastat; per->pagesleft = numpages+((beforedrawrooms&1)<<7); per->cx1 = cx1; per->cy1 = cy1; per->cx2 = cx2; per->cy2 = cy2; per->uniqid = guniqhudid; //JF extension //Would be better to optimize out true bounding boxes if (dastat&64) //If non-masking write, checking for overlapping cases { for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1))) { per2 = &permfifo[i]; if ((per2->pagesleft&127) == 0) continue; if (per2->sx != per->sx) continue; if (per2->sy != per->sy) continue; if (per2->z != per->z) continue; if (per2->a != per->a) continue; if (tilesizx[per2->picnum] > tilesizx[per->picnum]) continue; if (tilesizy[per2->picnum] > tilesizy[per->picnum]) continue; if (per2->cx1 < per->cx1) continue; if (per2->cy1 < per->cy1) continue; if (per2->cx2 > per->cx2) continue; if (per2->cy2 > per->cy2) continue; per2->pagesleft = 0; } if (per->a == 0) for(i=permtail;i!=permhead;i=((i+1)&(MAXPERMS-1))) { per2 = &permfifo[i]; if ((per2->pagesleft&127) == 0) continue; if (per2->z != per->z) continue; if (per2->a != 0) continue; if (per2->cx1 < per->cx1) continue; if (per2->cy1 < per->cy1) continue; if (per2->cx2 > per->cx2) continue; if (per2->cy2 > per->cy2) continue; if ((per2->sx>>16) < (per->sx>>16)) continue; if ((per2->sy>>16) < (per->sy>>16)) continue; if (per2->sx+(tilesizx[per2->picnum]*per2->z) > per->sx+(tilesizx[per->picnum]*per->z)) continue; if (per2->sy+(tilesizy[per2->picnum]*per2->z) > per->sy+(tilesizy[per->picnum]*per->z)) continue; per2->pagesleft = 0; } } permhead = ((permhead+1)&(MAXPERMS-1)); } } // // makepalookup // int makepalookup(int palnum, unsigned char *remapbuf, signed char r, signed char g, signed char b, unsigned char dastat) { int i, j, palscale; unsigned char *ptr, *ptr2; if (palookup[palnum] == NULL) { //Allocate palookup buffer if ((palookup[palnum] = kmalloc(numpalookups<<8)) == NULL) { engineerrstr = "Failed to allocate palette lookup memory"; return 1; } } if (dastat == 0) return 0; if ((r|g|b|63) != 63) return 0; if ((r|g|b) == 0) { for(i=0;i<256;i++) { ptr = (unsigned char *)((intptr_t)palookup[0]+remapbuf[i]); ptr2 = (unsigned char *)((intptr_t)palookup[palnum]+i); for(j=0;j> 6 ) ) >> 2; tempbuf[k++] = (curpalettefaded[i].g = p.g + ( ( ( (int)palfadergb.g - (int)p.g ) * (int)offset ) >> 6 ) ) >> 2; tempbuf[k++] = (curpalettefaded[i].r = p.r + ( ( ( (int)palfadergb.r - (int)p.r ) * (int)offset ) >> 6 ) ) >> 2; tempbuf[k++] = curpalettefaded[i].f = 0; } setpalette(0,256,(unsigned char*)tempbuf); } // // clearview // void clearview(int dacol) { int y, dx; intptr_t p; if (qsetmode != 200) return; #if USE_POLYMOST && USE_OPENGL if (rendmode == 3) { palette_t p; if (gammabrightness) p = curpalette[dacol]; else { p.r = britable[curbrightness][ curpalette[dacol].r ]; p.g = britable[curbrightness][ curpalette[dacol].g ]; p.b = britable[curbrightness][ curpalette[dacol].b ]; } glfunc.glClearColor(((float)p.r)/255.0, ((float)p.g)/255.0, ((float)p.b)/255.0, 0); glfunc.glScissor(windowx1,yres-(windowy2+1),windowx2-windowx1+1,windowy2-windowy1+1); glfunc.glEnable(GL_SCISSOR_TEST); glfunc.glClear(GL_COLOR_BUFFER_BIT); glfunc.glDisable(GL_SCISSOR_TEST); return; } #endif begindrawing(); //{{{ dx = windowx2-windowx1+1; //dacol += (dacol<<8); dacol += (dacol<<16); p = frameplace+ylookup[windowy1]+windowx1; for(y=windowy1;y<=windowy2;y++) { //clearbufbyte((void*)p,dx,dacol); Bmemset((void*)p,dacol,dx); p += ylookup[1]; } enddrawing(); //}}} faketimerhandler(); } // // clearallviews // void clearallviews(int dacol) { if (qsetmode != 200) return; //dacol += (dacol<<8); dacol += (dacol<<16); #if USE_POLYMOST && USE_OPENGL if (rendmode == 3) { palette_t p; if (gammabrightness) p = curpalette[dacol]; else { p.r = britable[curbrightness][ curpalette[dacol].r ]; p.g = britable[curbrightness][ curpalette[dacol].g ]; p.b = britable[curbrightness][ curpalette[dacol].b ]; } glfunc.glViewport(0,0,xdim,ydim); glox1 = -1; glfunc.glClearColor(((float)p.r)/255.0, ((float)p.g)/255.0, ((float)p.b)/255.0, 0); glfunc.glClear(GL_COLOR_BUFFER_BIT); return; } #endif begindrawing(); //{{{ //clearbufbyte((void*)frameplace,imageSize,0L); Bmemset((void*)frameplace,dacol,imageSize); enddrawing(); //}}} //nextpage(); faketimerhandler(); } // // plotpixel // void plotpixel(int x, int y, unsigned char col) { #if USE_POLYMOST && USE_OPENGL if (!polymost_plotpixel(x,y,col)) return; #endif begindrawing(); //{{{ drawpixel((void*)(ylookup[y]+x+frameplace),(int)col); enddrawing(); //}}} } // // getpixel // unsigned char getpixel(int x, int y) { unsigned char r; #if USE_POLYMOST && USE_OPENGL if (rendmode == 3 && qsetmode == 200) return 0; #endif begindrawing(); //{{{ r = readpixel((void*)(ylookup[y]+x+frameplace)); enddrawing(); //}}} return(r); } //MUST USE RESTOREFORDRAWROOMS AFTER DRAWING // // setviewtotile // void setviewtotile(short tilenume, int xsiz, int ysiz) { int i, j; //DRAWROOMS TO TILE BACKUP&SET CODE tilesizx[tilenume] = xsiz; tilesizy[tilenume] = ysiz; bakxsiz[setviewcnt] = xsiz; bakysiz[setviewcnt] = ysiz; bakframeplace[setviewcnt] = frameplace; frameplace = waloff[tilenume]; bakwindowx1[setviewcnt] = windowx1; bakwindowy1[setviewcnt] = windowy1; bakwindowx2[setviewcnt] = windowx2; bakwindowy2[setviewcnt] = windowy2; #if USE_POLYMOST if (setviewcnt == 0) { bakrendmode = rendmode; baktile = tilenume; } rendmode = 0;//2; #endif copybufbyte(&startumost[windowx1],&bakumost[windowx1],(windowx2-windowx1+1)*sizeof(bakumost[0])); copybufbyte(&startdmost[windowx1],&bakdmost[windowx1],(windowx2-windowx1+1)*sizeof(bakdmost[0])); setviewcnt++; offscreenrendering = 1; setview(0,0,ysiz-1,xsiz-1); setaspect(65536,65536); j = 0; for(i=0;i<=xsiz;i++) { ylookup[i] = j, j += ysiz; } setvlinebpl(ysiz); } // // setviewback // extern char modechange; void setviewback(void) { int i, j, k; if (setviewcnt <= 0) return; setviewcnt--; offscreenrendering = (setviewcnt>0); #if USE_POLYMOST if (setviewcnt == 0) { rendmode = bakrendmode; #if USE_OPENGL invalidatetile(baktile,-1,-1); #endif } #endif setview(bakwindowx1[setviewcnt],bakwindowy1[setviewcnt], bakwindowx2[setviewcnt],bakwindowy2[setviewcnt]); copybufbyte(&bakumost[windowx1],&startumost[windowx1],(windowx2-windowx1+1)*sizeof(startumost[0])); copybufbyte(&bakdmost[windowx1],&startdmost[windowx1],(windowx2-windowx1+1)*sizeof(startdmost[0])); frameplace = bakframeplace[setviewcnt]; if (setviewcnt == 0) k = bakxsiz[0]; else k = max(bakxsiz[setviewcnt-1],bakxsiz[setviewcnt]); j = 0; for(i=0;i<=k;i++) ylookup[i] = j, j += bytesperline; setvlinebpl(bytesperline); modechange=1; } // // squarerotatetile // void squarerotatetile(short tilenume) { int i, j, k, xsiz, ysiz; unsigned char *ptr1, *ptr2; xsiz = tilesizx[tilenume]; ysiz = tilesizy[tilenume]; //supports square tiles only for rotation part if (xsiz == ysiz) { k = (xsiz<<1); for(i=xsiz-1;i>=0;i--) { ptr1 = (unsigned char *)(waloff[tilenume]+i*(xsiz+1)); ptr2 = ptr1; if ((i&1) != 0) { ptr1--; ptr2 -= xsiz; swapchar(ptr1,ptr2); } for(j=(i>>1)-1;j>=0;j--) { ptr1 -= 2; ptr2 -= k; swapchar2(ptr1,ptr2,xsiz); } } } } // // preparemirror // void preparemirror(int dax, int day, int daz, short daang, int dahoriz, short dawall, short dasector, int *tposx, int *tposy, short *tang) { int i, j, x, y, dx, dy; x = wall[dawall].x; dx = wall[wall[dawall].point2].x-x; y = wall[dawall].y; dy = wall[wall[dawall].point2].y-y; j = dx*dx + dy*dy; if (j == 0) return; i = (((dax-x)*dx + (day-y)*dy)<<1); *tposx = (x<<1) + scale(dx,i,j) - dax; *tposy = (y<<1) + scale(dy,i,j) - day; *tang = (((getangle(dx,dy)<<1)-daang)&2047); inpreparemirror = 1; } // // completemirror // void completemirror(void) { int i, dy; intptr_t p; #if USE_POLYMOST if (rendmode) return; #endif //Can't reverse with uninitialized data if (inpreparemirror) { inpreparemirror = 0; return; } if (mirrorsx1 > 0) mirrorsx1--; if (mirrorsx2 < windowx2-windowx1-1) mirrorsx2++; if (mirrorsx2 < mirrorsx1) return; begindrawing(); p = frameplace+ylookup[windowy1+mirrorsy1]+windowx1+mirrorsx1; i = windowx2-windowx1-mirrorsx2-mirrorsx1; mirrorsx2 -= mirrorsx1; for(dy=mirrorsy2-mirrorsy1-1;dy>=0;dy--) { copybufbyte((void*)(p+1),tempbuf,mirrorsx2+1); tempbuf[mirrorsx2] = tempbuf[mirrorsx2-1]; copybufreverse(&tempbuf[mirrorsx2],(void*)(p+i),mirrorsx2+1); p += ylookup[1]; faketimerhandler(); } enddrawing(); } // // sectorofwall // int sectorofwall(short theline) { int i, gap; if ((theline < 0) || (theline >= numwalls)) return(-1); i = wall[theline].nextwall; if (i >= 0) return(wall[i].nextsector); gap = (numsectors>>1); i = gap; while (gap > 1) { gap >>= 1; if (sector[i].wallptr < theline) i += gap; else i -= gap; } while (sector[i].wallptr > theline) i--; while (sector[i].wallptr+sector[i].wallnum <= theline) i++; return(i); } // // getceilzofslope // int getceilzofslope(short sectnum, int dax, int day) { int dx, dy, i, j; walltype *wal; if (!(sector[sectnum].ceilingstat&2)) return(sector[sectnum].ceilingz); wal = &wall[sector[sectnum].wallptr]; dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y; i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].ceilingz); j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x); return(sector[sectnum].ceilingz+scale(sector[sectnum].ceilingheinum,j,i)); } // // getflorzofslope // int getflorzofslope(short sectnum, int dax, int day) { int dx, dy, i, j; walltype *wal; if (!(sector[sectnum].floorstat&2)) return(sector[sectnum].floorz); wal = &wall[sector[sectnum].wallptr]; dx = wall[wal->point2].x-wal->x; dy = wall[wal->point2].y-wal->y; i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return(sector[sectnum].floorz); j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x); return(sector[sectnum].floorz+scale(sector[sectnum].floorheinum,j,i)); } // // getzsofslope // void getzsofslope(short sectnum, int dax, int day, int *ceilz, int *florz) { int dx, dy, i, j; walltype *wal, *wal2; sectortype *sec; sec = §or[sectnum]; *ceilz = sec->ceilingz; *florz = sec->floorz; if ((sec->ceilingstat|sec->floorstat)&2) { wal = &wall[sec->wallptr]; wal2 = &wall[wal->point2]; dx = wal2->x-wal->x; dy = wal2->y-wal->y; i = (nsqrtasm(dx*dx+dy*dy)<<5); if (i == 0) return; j = dmulscale3(dx,day-wal->y,-dy,dax-wal->x); if (sec->ceilingstat&2) *ceilz = (*ceilz)+scale(sec->ceilingheinum,j,i); if (sec->floorstat&2) *florz = (*florz)+scale(sec->floorheinum,j,i); } } // // alignceilslope // void alignceilslope(short dasect, int x, int y, int z) { int i, dax, day; walltype *wal; wal = &wall[sector[dasect].wallptr]; dax = wall[wal->point2].x-wal->x; day = wall[wal->point2].y-wal->y; i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return; sector[dasect].ceilingheinum = scale((z-sector[dasect].ceilingz)<<8, nsqrtasm(dax*dax+day*day),i); if (sector[dasect].ceilingheinum == 0) sector[dasect].ceilingstat &= ~2; else sector[dasect].ceilingstat |= 2; } // // alignflorslope // void alignflorslope(short dasect, int x, int y, int z) { int i, dax, day; walltype *wal; wal = &wall[sector[dasect].wallptr]; dax = wall[wal->point2].x-wal->x; day = wall[wal->point2].y-wal->y; i = (y-wal->y)*dax - (x-wal->x)*day; if (i == 0) return; sector[dasect].floorheinum = scale((z-sector[dasect].floorz)<<8, nsqrtasm(dax*dax+day*day),i); if (sector[dasect].floorheinum == 0) sector[dasect].floorstat &= ~2; else sector[dasect].floorstat |= 2; } // // loopnumofsector // int loopnumofsector(short sectnum, short wallnum) { int i, numloops, startwall, endwall; numloops = 0; startwall = sector[sectnum].wallptr; endwall = startwall + sector[sectnum].wallnum; for(i=startwall;i= startwall+danumwalls)) return; for(i=0;i 0) { j = 0; while (loopnumofsector(sectnum,j+startwall) != dagoalloop) j++; for(i=0;i= danumwalls) k -= danumwalls; Bmemcpy(&wall[startwall+i],&wall[numwalls+k],sizeof(walltype)); wall[startwall+i].point2 += danumwalls-startwall-j; if (wall[startwall+i].point2 >= danumwalls) wall[startwall+i].point2 -= danumwalls; wall[startwall+i].point2 += startwall; } newfirstwall += danumwalls-j; if (newfirstwall >= startwall+danumwalls) newfirstwall -= danumwalls; } for(i=0;i= numwallsofloop) k -= numwallsofloop; Bmemcpy(&wall[startwall+i],&wall[numwalls+k],sizeof(walltype)); wall[startwall+i].point2 += numwallsofloop-newfirstwall; if (wall[startwall+i].point2 >= numwallsofloop) wall[startwall+i].point2 -= numwallsofloop; wall[startwall+i].point2 += startwall; } for(i=startwall;i= 0) wall[wall[i].nextwall].nextwall = i; } // // drawline256 // void drawline256(int x1, int y1, int x2, int y2, unsigned char col) { int dx, dy, i, j, inc, daend; intptr_t p, plc; col = palookup[0][col]; dx = x2-x1; dy = y2-y1; if (dx >= 0) { if ((x1 >= wx2) || (x2 < wx1)) return; if (x1 < wx1) y1 += scale(wx1-x1,dy,dx), x1 = wx1; if (x2 > wx2) y2 += scale(wx2-x2,dy,dx), x2 = wx2; } else { if ((x2 >= wx2) || (x1 < wx1)) return; if (x2 < wx1) y2 += scale(wx1-x2,dy,dx), x2 = wx1; if (x1 > wx2) y1 += scale(wx2-x1,dy,dx), x1 = wx2; } if (dy >= 0) { if ((y1 >= wy2) || (y2 < wy1)) return; if (y1 < wy1) x1 += scale(wy1-y1,dx,dy), y1 = wy1; if (y2 > wy2) x2 += scale(wy2-y2,dx,dy), y2 = wy2; } else { if ((y2 >= wy2) || (y1 < wy1)) return; if (y2 < wy1) x2 += scale(wy1-y2,dx,dy), y2 = wy1; if (y1 > wy2) x1 += scale(wy2-y1,dx,dy), y1 = wy2; } #if USE_POLYMOST && USE_OPENGL if (!polymost_drawline256(x1,y1,x2,y2,col)) return; #endif if (klabs(dx) >= klabs(dy)) { if (dx == 0) return; if (dx < 0) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; x1+=4096; x2+=4096; } inc = divscale12(dy,dx); plc = y1+mulscale12((2047-x1)&4095,inc); i = ((x1+2048)>>12); daend = ((x2+2048)>>12); begindrawing(); //{{{ for(;i>12); if ((j >= startumost[i]) && (j < startdmost[i])) drawpixel((void*)(frameplace+ylookup[j]+i),col); plc += inc; } enddrawing(); //}}} } else { if (dy < 0) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; y1+=4096; y2+=4096; } inc = divscale12(dx,dy); plc = x1+mulscale12((2047-y1)&4095,inc); i = ((y1+2048)>>12); daend = ((y2+2048)>>12); begindrawing(); //{{{ p = ylookup[i]+frameplace; for(;i>12); if ((i >= startumost[j]) && (i < startdmost[j])) drawpixel((void*)(j+p),col); plc += inc; p += ylookup[1]; } enddrawing(); //}}} } } // // drawline16 // // JBF: Had to add extra tests to make sure x-coordinates weren't winding up -'ve // after clipping or crashes would ensue unsigned int drawlinepat = 0xffffffff; void drawline16(int x1, int y1, int x2, int y2, unsigned char col) { int i, dx, dy, pinc, d; intptr_t p; unsigned int patc=0; dx = x2-x1; dy = y2-y1; if (dx >= 0) { if ((x1 >= xres) || (x2 < 0)) return; if (x1 < 0) { if (dy) y1 += scale(0-x1,dy,dx); x1 = 0; } if (x2 >= xres) { if (dy) y2 += scale(xres-1-x2,dy,dx); x2 = xres-1; } } else { if ((x2 >= xres) || (x1 < 0)) return; if (x2 < 0) { if (dy) y2 += scale(0-x2,dy,dx); x2 = 0; } if (x1 >= xres) { if (dy) y1 += scale(xres-1-x1,dy,dx); x1 = xres-1; } } if (dy >= 0) { if ((y1 >= ydim16) || (y2 < 0)) return; if (y1 < 0) { if (dx) x1 += scale(0-y1,dx,dy); y1 = 0; if (x1 < 0) x1 = 0; } if (y2 >= ydim16) { if (dx) x2 += scale(ydim16-1-y2,dx,dy); y2 = ydim16-1; if (x2 < 0) x2 = 0; } } else { if ((y2 >= ydim16) || (y1 < 0)) return; if (y2 < 0) { if (dx) x2 += scale(0-y2,dx,dy); y2 = 0; if (x2 < 0) x2 = 0; } if (y1 >= ydim16) { if (dx) x1 += scale(ydim16-1-y1,dx,dy); y1 = ydim16-1; if (x1 < 0) x1 = 0; } } dx = klabs(x2-x1)+1; dy = klabs(y2-y1)+1; if (dx >= dy) { if (x2 < x1) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; } d = 0; if (y2 > y1) pinc = bytesperline; else pinc = -bytesperline; begindrawing(); //{{{ p = (y1*bytesperline)+x1+frameplace; if (dy == 0 && drawlinepat == 0xffffffff) { i = ((int)col<<24)|((int)col<<16)|((int)col<<8)|col; clearbufbyte((void *)p, dx, i); } else for(i=dx;i>0;i--) { if (drawlinepat & pow2long[(patc++)&31]) drawpixel((void *)p, col); d += dy; if (d >= dx) { d -= dx; p += pinc; } p++; } enddrawing(); //}}} return; } if (y2 < y1) { i = x1; x1 = x2; x2 = i; i = y1; y1 = y2; y2 = i; } d = 0; if (x2 > x1) pinc = 1; else pinc = -1; begindrawing(); //{{{ p = (y1*bytesperline)+x1+frameplace; for(i=dy;i>0;i--) { if (drawlinepat & pow2long[(patc++)&31]) drawpixel((void *)p, col); d += dx; if (d >= dy) { d -= dy; p += pinc; } p += bytesperline; } enddrawing(); //}}} } void drawcircle16(int x1, int y1, int r, unsigned char col) { #if 1 int xp, yp, xpbpl, ypbpl, d, de, dse, patc=0; intptr_t p; if (r < 0) r = -r; if (x1+r < 0 || x1-r >= xres) return; if (y1+r < 0 || y1-r >= ydim16) return; /* * d * 6 | 7 * \ | / * 5 \|/ 8 * c----+----a * 4 /|\ 1 * / | \ * 3 | 2 * b */ xp = 0; yp = r; d = 1 - r; de = 2; dse = 5 - (r << 1); begindrawing(); p = (y1*bytesperline)+x1+frameplace; if (drawlinepat & pow2long[(patc++)&31]) { if ((unsigned int)y1 < (unsigned int)ydim16 && (unsigned int)(x1+r) < (unsigned int)xres ) drawpixel((void *)(p+r), col); // a if ((unsigned int)x1 < (unsigned int)xres && (unsigned int)(y1+r) < (unsigned int)ydim16) drawpixel((void *)(p+(r*bytesperline)), col); // b if ((unsigned int)y1 < (unsigned int)ydim16 && (unsigned int)(x1-r) < (unsigned int)xres ) drawpixel((void *)(p-r), col); // c if ((unsigned int)x1 < (unsigned int)xres && (unsigned int)(y1-r) < (unsigned int)ydim16) drawpixel((void *)(p-(r*bytesperline)), col); // d } while (yp > xp) { if (d < 0) { d += de; de += 2; dse += 2; xp++; } else { d += dse; de += 2; dse += 4; xp++; yp--; } ypbpl = yp*bytesperline; xpbpl = xp*bytesperline; if (drawlinepat & pow2long[(patc++)&31]) { if ((unsigned int)(x1+yp) < (unsigned int)xres && (unsigned int)(y1+xp) < (unsigned int)ydim16) drawpixel((void *)(p+yp+xpbpl), col); // 1 if ((unsigned int)(x1+xp) < (unsigned int)xres && (unsigned int)(y1+yp) < (unsigned int)ydim16) drawpixel((void *)(p+xp+ypbpl), col); // 2 if ((unsigned int)(x1-xp) < (unsigned int)xres && (unsigned int)(y1+yp) < (unsigned int)ydim16) drawpixel((void *)(p-xp+ypbpl), col); // 3 if ((unsigned int)(x1-yp) < (unsigned int)xres && (unsigned int)(y1+xp) < (unsigned int)ydim16) drawpixel((void *)(p-yp+xpbpl), col); // 4 if ((unsigned int)(x1-yp) < (unsigned int)xres && (unsigned int)(y1-xp) < (unsigned int)ydim16) drawpixel((void *)(p-yp-xpbpl), col); // 5 if ((unsigned int)(x1-xp) < (unsigned int)xres && (unsigned int)(y1-yp) < (unsigned int)ydim16) drawpixel((void *)(p-xp-ypbpl), col); // 6 if ((unsigned int)(x1+xp) < (unsigned int)xres && (unsigned int)(y1-yp) < (unsigned int)ydim16) drawpixel((void *)(p+xp-ypbpl), col); // 7 if ((unsigned int)(x1+yp) < (unsigned int)xres && (unsigned int)(y1-xp) < (unsigned int)ydim16) drawpixel((void *)(p+yp-xpbpl), col); // 8 } } enddrawing(); #else // JonoF's rough approximation of a circle int l,spx,spy,lpx,lpy,px,py; spx = lpx = x1+mulscale14(r,sintable[0]); spy = lpy = y1+mulscale14(r,sintable[512]); for (l=64;l<2048;l+=64) { px = x1+mulscale14(r,sintable[l]); py = y1+mulscale14(r,sintable[(l+512)&2047]); drawline16(lpx,lpy,px,py,col); lpx = px; lpy = py; } drawline16(lpx,lpy,spx,spy,col); #endif } // // qsetmode640350 // void qsetmode640350(void) { if (qsetmode != 350) { if (setvideomode(640, 350, 8, fullscreen) < 0) { //fprintf(stderr, "Couldn't set 640x350 video mode for some reason.\n"); return; } xdim = xres; ydim = yres; pixelaspect = 65536; setvgapalette(); ydim16 = 350; halfxdim16 = 320; midydim16 = 146; begindrawing(); //{{{ clearbuf((void *)frameplace, (bytesperline*350L) >> 2, 0); enddrawing(); //}}} } qsetmode = 350; } // // qsetmode640480 // void qsetmode640480(void) { if (qsetmode != 480) { if (setvideomode(640, 480, 8, fullscreen) < 0) { //fprintf(stderr, "Couldn't set 640x480 video mode for some reason.\n"); return; } xdim = xres; ydim = yres; pixelaspect = 65536; setvgapalette(); ydim16 = 336; halfxdim16 = 320; midydim16 = 200; begindrawing(); //{{{ clearbuf((void *)(frameplace + (336l*bytesperline)), (bytesperline*144L) >> 2, 0x08080808l); clearbuf((void *)frameplace, (bytesperline*336L) >> 2, 0L); enddrawing(); //}}} } qsetmode = 480; } // // qsetmodeany // void qsetmodeany(int daxdim, int daydim) { if (daxdim < 640) daxdim = 640; if (daydim < 480) daydim = 480; if (qsetmode != ((daxdim<<16)|(daydim&0xffff))) { if (setvideomode(daxdim, daydim, 8, fullscreen) < 0) return; xdim = xres; ydim = yres; pixelaspect = 65536; setvgapalette(); ydim16 = yres - STATUS2DSIZ; halfxdim16 = xres >> 1; midydim16 = scale(200,yres,480); begindrawing(); //{{{ clearbuf((void *)(frameplace + (ydim16*bytesperline)), (bytesperline*STATUS2DSIZ) >> 2, 0x08080808l); clearbuf((void *)frameplace, (ydim16*bytesperline) >> 2, 0L); enddrawing(); //}}} } qsetmode = ((daxdim<<16)|(daydim&0xffff)); } // // clear2dscreen // void clear2dscreen(void) { int clearsz; begindrawing(); //{{{ if (qsetmode == 350) clearsz = 350; else { if (ydim16 <= yres-STATUS2DSIZ) clearsz = yres - STATUS2DSIZ; else clearsz = yres; } clearbuf((void *)frameplace, (bytesperline*clearsz) >> 2, 0); enddrawing(); //}}} } // // draw2dgrid // void draw2dgrid(int posxe, int posye, short ange, int zoome, short gride) { int i, xp1, yp1, xp2=0, yp2, tempy; if (gride > 0) { begindrawing(); //{{{ yp1 = midydim16-mulscale14(posye+editorgridextent,zoome); if (yp1 < 0) yp1 = 0; yp2 = midydim16-mulscale14(posye-editorgridextent,zoome); if (yp2 >= ydim16) yp2 = ydim16-1; if ((yp1 < ydim16) && (yp2 >= 0) && (yp2 >= yp1)) { xp1 = halfxdim16-mulscale14(posxe+editorgridextent,zoome); for(i=-editorgridextent;i<=editorgridextent;i+=(2048>>gride)) { xp2 = xp1; xp1 = halfxdim16-mulscale14(posxe-i,zoome); if (xp1 >= xdim) break; if (xp1 >= 0) { if (xp1 != xp2) { drawline16(xp1,yp1,xp1,yp2,8); } } } if ((i >= editorgridextent) && (xp1 < xdim)) xp2 = xp1; if ((xp2 >= 0) && (xp2 < xdim)) { drawline16(xp2,yp1,xp2,yp2,8); } } xp1 = mulscale14(posxe+editorgridextent,zoome); xp2 = mulscale14(posxe-editorgridextent,zoome); tempy = 0x80000000l; for(i=-editorgridextent;i<=editorgridextent;i+=(2048>>gride)) { yp1 = (((posye-i)*zoome)>>14); if (yp1 != tempy) { if ((yp1 > midydim16-ydim16) && (yp1 <= midydim16)) { drawline16(halfxdim16-xp1,midydim16-yp1,halfxdim16-xp2,midydim16-yp1,8); tempy = yp1; } } } enddrawing(); //}}} } } // // draw2dscreen // void draw2dscreen(int posxe, int posye, short ange, int zoome, short gride) { walltype *wal; int i, j, k, xp1, yp1, xp2, yp2, tempy; intptr_t templong; unsigned char col, mask; if (qsetmode == 200) return; begindrawing(); //{{{ if (editstatus == 0) { faketimerhandler(); clear2dscreen(); faketimerhandler(); draw2dgrid(posxe,posye,ange,zoome,gride); } faketimerhandler(); for(i=numwalls-1,wal=&wall[i];i>=0;i--,wal--) { if (editstatus == 0) { if ((show2dwall[i>>3]&pow2char[i&7]) == 0) continue; j = wal->nextwall; if ((j >= 0) && (i > j)) if ((show2dwall[j>>3]&pow2char[j&7]) > 0) continue; } else { j = wal->nextwall; if ((j >= 0) && (i > j)) continue; } if (j < 0) { col = 7; if (i == linehighlight) if (totalclock & 8) col += (2<<2); } else { col = 4; if ((wal->cstat&1) != 0) col = 5; if ((i == linehighlight) || ((linehighlight >= 0) && (i == wall[linehighlight].nextwall))) if (totalclock & 8) col += (2<<2); } xp1 = mulscale14(wal->x-posxe,zoome); yp1 = mulscale14(wal->y-posye,zoome); xp2 = mulscale14(wall[wal->point2].x-posxe,zoome); yp2 = mulscale14(wall[wal->point2].y-posye,zoome); if ((wal->cstat&64) > 0) { if (klabs(xp2-xp1) >= klabs(yp2-yp1)) { drawline16(halfxdim16+xp1,midydim16+yp1+1,halfxdim16+xp2,midydim16+yp2+1,col); drawline16(halfxdim16+xp1,midydim16+yp1-1,halfxdim16+xp2,midydim16+yp2-1,col); } else { drawline16(halfxdim16+xp1+1,midydim16+yp1,halfxdim16+xp2+1,midydim16+yp2,col); drawline16(halfxdim16+xp1-1,midydim16+yp1,halfxdim16+xp2-1,midydim16+yp2,col); } col += 8; } drawline16(halfxdim16+xp1,midydim16+yp1,halfxdim16+xp2,midydim16+yp2,col); if ((zoome >= 256) && (editstatus == 1)) if (((halfxdim16+xp1) >= 2) && ((halfxdim16+xp1) <= xdim-3)) if (((midydim16+yp1) >= 2) && ((midydim16+yp1) <= ydim16-3)) { col = 2; if (i == pointhighlight) { if (totalclock & 8) col += (2<<2); // JBF 20040116: two braces is all this needed. man I'm a fool sometimes. } else if ((highlightcnt > 0) && (editstatus == 1)) { if (show2dwall[i>>3]&pow2char[i&7]) if (totalclock & 8) col += (2<<2); } templong = ((midydim16+yp1)*bytesperline)+(halfxdim16+xp1)+frameplace; drawpixel((void *)(templong-2-(bytesperline<<1)), col); drawpixel((void *)(templong-1-(bytesperline<<1)), col); drawpixel((void *)(templong+0-(bytesperline<<1)), col); drawpixel((void *)(templong+1-(bytesperline<<1)), col); drawpixel((void *)(templong+2-(bytesperline<<1)), col); drawpixel((void *)(templong-2+(bytesperline<<1)), col); drawpixel((void *)(templong-1+(bytesperline<<1)), col); drawpixel((void *)(templong+0+(bytesperline<<1)), col); drawpixel((void *)(templong+1+(bytesperline<<1)), col); drawpixel((void *)(templong+2+(bytesperline<<1)), col); drawpixel((void *)(templong-2-bytesperline), col); drawpixel((void *)(templong-2+0), col); drawpixel((void *)(templong-2+bytesperline), col); drawpixel((void *)(templong+2-bytesperline), col); drawpixel((void *)(templong+2+0), col); drawpixel((void *)(templong+2+bytesperline), col); } } faketimerhandler(); if ((zoome >= 256) || (editstatus == 0)) for(i=0;i=0;j=nextspritesect[j]) if ((editstatus == 1) || (show2dsprite[j>>3]&pow2char[j&7])) { col = 3; if ((sprite[j].cstat&1) > 0) col = 5; if (editstatus == 1) { if (j+16384 == pointhighlight) { if (totalclock & 8) col += (2<<2); } else if ((highlightcnt > 0) && (editstatus == 1)) { if (show2dsprite[j>>3]&pow2char[j&7]) if (totalclock & 8) col += (2<<2); } } xp1 = mulscale14(sprite[j].x-posxe,zoome); yp1 = mulscale14(sprite[j].y-posye,zoome); if (((halfxdim16+xp1) >= 2) && ((halfxdim16+xp1) <= xdim-3)) if (((midydim16+yp1) >= 2) && ((midydim16+yp1) <= ydim16-3)) { templong = ((midydim16+yp1)*bytesperline)+(halfxdim16+xp1)+frameplace; drawpixel((void *)(templong-1-(bytesperline<<1)), col); drawpixel((void *)(templong+0-(bytesperline<<1)), col); drawpixel((void *)(templong+1-(bytesperline<<1)), col); drawpixel((void *)(templong-1+(bytesperline<<1)), col); drawpixel((void *)(templong+0+(bytesperline<<1)), col); drawpixel((void *)(templong+1+(bytesperline<<1)), col); drawpixel((void *)(templong-2-bytesperline), col); drawpixel((void *)(templong-2+0), col); drawpixel((void *)(templong-2+bytesperline), col); drawpixel((void *)(templong+2-bytesperline), col); drawpixel((void *)(templong+2+0), col); drawpixel((void *)(templong+2+bytesperline), col); drawpixel((void *)(templong+1+bytesperline), col); drawpixel((void *)(templong-1+bytesperline), col); drawpixel((void *)(templong+1-bytesperline), col); drawpixel((void *)(templong-1-bytesperline), col); /* * JBF 20050103: A little something intended for TerminX. It draws a box * indicating the extents of a floor-aligned sprite in the 2D view of the editor. * if ((sprite[j].cstat&32) > 0) { int fx = mulscale6(tilesizx[sprite[j].picnum], sprite[j].xrepeat); int fy = mulscale6(tilesizy[sprite[j].picnum], sprite[j].yrepeat); int co[4][2], ii; int sinang = sintable[(sprite[j].ang+512+1024)&2047]; int cosang = sintable[(sprite[j].ang+1024)&2047]; int r,s; fx = mulscale10(fx,zoome) >> 1; fy = mulscale10(fy,zoome) >> 1; co[0][0] = -fx; co[0][1] = -fy; co[1][0] = fx; co[1][1] = -fy; co[2][0] = fx; co[2][1] = fy; co[3][0] = -fx; co[3][1] = fy; for (ii=0;ii<4;ii++) { r = mulscale14(cosang,co[ii][0]) - mulscale14(sinang,co[ii][1]); s = mulscale14(sinang,co[ii][0]) + mulscale14(cosang,co[ii][1]); co[ii][0] = r; co[ii][1] = s; } drawlinepat = 0xcccccccc; for (ii=0;ii<4;ii++) { drawline16(halfxdim16 + xp1 + co[ii][0], midydim16 + yp1 - co[ii][1], halfxdim16 + xp1 + co[(ii+1)&3][0], midydim16 + yp1 - co[(ii+1)&3][1], col); } drawlinepat = 0xffffffff; } */ xp2 = mulscale11(sintable[(sprite[j].ang+2560)&2047],zoome) / 768; yp2 = mulscale11(sintable[(sprite[j].ang+2048)&2047],zoome) / 768; if ((sprite[j].cstat&256) > 0) { if (((sprite[j].ang+256)&512) == 0) { drawline16(halfxdim16+xp1,midydim16+yp1-1,halfxdim16+xp1+xp2,midydim16+yp1+yp2-1,col); drawline16(halfxdim16+xp1,midydim16+yp1+1,halfxdim16+xp1+xp2,midydim16+yp1+yp2+1,col); } else { drawline16(halfxdim16+xp1-1,midydim16+yp1,halfxdim16+xp1+xp2-1,midydim16+yp1+yp2,col); drawline16(halfxdim16+xp1+1,midydim16+yp1,halfxdim16+xp1+xp2+1,midydim16+yp1+yp2,col); } col += 8; } drawline16(halfxdim16+xp1,midydim16+yp1,halfxdim16+xp1+xp2,midydim16+yp1+yp2,col); } } faketimerhandler(); xp1 = mulscale11(sintable[(ange+2560)&2047],zoome) / 768; //Draw white arrow yp1 = mulscale11(sintable[(ange+2048)&2047],zoome) / 768; drawline16(halfxdim16+xp1,midydim16+yp1,halfxdim16-xp1,midydim16-yp1,15); drawline16(halfxdim16+xp1,midydim16+yp1,halfxdim16+yp1,midydim16-xp1,15); drawline16(halfxdim16+xp1,midydim16+yp1,halfxdim16-yp1,midydim16+xp1,15); enddrawing(); //}}} } // // printext16 // void printext16(int xpos, int ypos, short col, short backcol, const char *name, char fontsize) { int stx, i, x, y, charxsiz; unsigned char *fontptr, *letptr, *ptr; stx = xpos; if (fontsize) { fontptr = smalltextfont; charxsiz = 4; } else { fontptr = textfont; charxsiz = 8; } begindrawing(); //{{{ for(i=0;name[i];i++) { letptr = &fontptr[((int)(unsigned char)name[i])<<3]; ptr = (unsigned char *)(bytesperline*(ypos+7)+(stx-fontsize)+frameplace); for(y=7;y>=0;y--) { for(x=charxsiz-1;x>=0;x--) { if (letptr[y]&pow2char[7-fontsize-x]) ptr[x] = (unsigned char)col; else if (backcol >= 0) ptr[x] = (unsigned char)backcol; } ptr -= bytesperline; } stx += charxsiz; } enddrawing(); //}}} } // // printext256 // void printext256(int xpos, int ypos, short col, short backcol, const char *name, char fontsize) { int stx, i, x, y, charxsiz; unsigned char *fontptr, *letptr, *ptr; stx = xpos; if (fontsize) { fontptr = smalltextfont; charxsiz = 4; } else { fontptr = textfont; charxsiz = 8; } #if USE_POLYMOST && USE_OPENGL if (!polymost_printext256(xpos,ypos,col,backcol,name,fontsize)) return; #endif begindrawing(); //{{{ for(i=0;name[i];i++) { letptr = &fontptr[name[i]<<3]; ptr = (unsigned char *)(ylookup[ypos+7]+(stx-fontsize)+frameplace); for(y=7;y>=0;y--) { for(x=charxsiz-1;x>=0;x--) { if (letptr[y]&pow2char[7-fontsize-x]) ptr[x] = (unsigned char)col; else if (backcol >= 0) ptr[x] = (unsigned char)backcol; } ptr -= ylookup[1]; } stx += charxsiz; } enddrawing(); //}}} } // // screencapture // static int screencapture_tga(char *filename, char inverseit) { int i,j; unsigned char *ptr, head[18] = { 0,1,1,0,0,0,1,24,0,0,0,0,0/*wlo*/,0/*whi*/,0/*hlo*/,0/*hhi*/,8,0 }; //char palette[4*256]; char *fn = Bstrdup(filename), *inversebuf, c; BFILE *fil; do { // JBF 2004022: So we don't overwrite existing screenshots if (capturecount > 9999) { Bfree(fn); return -1; } i = Bstrrchr(fn,'.')-fn-4; fn[i++] = ((capturecount/1000)%10)+48; fn[i++] = ((capturecount/100)%10)+48; fn[i++] = ((capturecount/10)%10)+48; fn[i++] = (capturecount%10)+48; i++; fn[i++] = 't'; fn[i++] = 'g'; fn[i++] = 'a'; if ((fil = Bfopen(fn,"rb")) == NULL) break; Bfclose(fil); capturecount++; } while (1); fil = Bfopen(fn,"wb"); if (fil == NULL) { Bfree(fn); return -1; } #if USE_POLYMOST && USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { head[1] = 0; // no colourmap head[2] = 2; // uncompressed truecolour head[3] = 0; // (low) first colourmap index head[4] = 0; // (high) first colourmap index head[5] = 0; // (low) number colourmap entries head[6] = 0; // (high) number colourmap entries head[7] = 0; // colourmap entry size head[16] = 24; // 24 bits per pixel } #endif head[12] = xdim & 0xff; head[13] = (xdim >> 8) & 0xff; head[14] = ydim & 0xff; head[15] = (ydim >> 8) & 0xff; Bfwrite(head, 18, 1, fil); begindrawing(); //{{{ ptr = (unsigned char *)frameplace; // palette first #if USE_POLYMOST && USE_OPENGL if (rendmode < 3 || (rendmode == 3 && qsetmode != 200)) { #endif //getpalette(0,256,palette); for (i=0; i<256; i++) { Bfputc(curpalettefaded[i].b, fil); // b Bfputc(curpalettefaded[i].g, fil); // g Bfputc(curpalettefaded[i].r, fil); // r } #if USE_POLYMOST && USE_OPENGL } #endif // targa renders bottom to top, from left to right if (inverseit && qsetmode != 200) { inversebuf = kmalloc(bytesperline); if (inversebuf) { for (i=ydim-1; i>=0; i--) { copybuf(ptr+i*bytesperline, inversebuf, xdim >> 2); for (j=0; j < (bytesperline>>2); j++) ((int *)inversebuf)[j] ^= 0x0f0f0f0fL; Bfwrite(inversebuf, xdim, 1, fil); } kfree(inversebuf); } } else { #if USE_POLYMOST && USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { // 24bit inversebuf = kmalloc(xdim*ydim*3); if (inversebuf) { glfunc.glReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,inversebuf); j = xdim*ydim*3; for (i=0; i=0; i--) Bfwrite(ptr+i*bytesperline, xdim, 1, fil); #if USE_POLYMOST && USE_OPENGL } #endif } enddrawing(); //}}} Bfclose(fil); buildprintf("Saved screenshot to %s\n", fn); Bfree(fn); capturecount++; return(0); } // PCX is nasty, which is why I've lifted these functions from the PCX spec by ZSoft static int writepcxbyte(unsigned char colour, unsigned char count, BFILE *fp) { if (!count) return 0; if (count == 1 && (colour & 0xc0) != 0xc0) { Bfputc(colour, fp); return 1; } else { Bfputc(0xc0 | count, fp); Bfputc(colour, fp); return 2; } } static void writepcxline(unsigned char *buf, int bytes, int step, BFILE *fp) { unsigned char ths, last; int srcIndex, i; unsigned char runCount; runCount = 1; last = *buf; for (srcIndex=1; srcIndex 9999) { Bfree(fn); return -1; } i = Bstrrchr(fn,'.')-fn-4; fn[i++] = ((capturecount/1000)%10)+48; fn[i++] = ((capturecount/100)%10)+48; fn[i++] = ((capturecount/10)%10)+48; fn[i++] = (capturecount%10)+48; i++; fn[i++] = 'p'; fn[i++] = 'c'; fn[i++] = 'x'; if ((fil = Bfopen(fn,"rb")) == NULL) break; Bfclose(fil); capturecount++; } while (1); fil = Bfopen(fn,"wb"); if (fil == NULL) { Bfree(fn); return -1; } memset(head,0,128); head[0] = 10; head[1] = 5; head[2] = 1; head[3] = 8; head[12] = 72; head[13] = 0; head[14] = 72; head[15] = 0; head[65] = 1; // 8-bit head[68] = 1; #if USE_POLYMOST && USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { head[65] = 3; // 24-bit } #endif head[8] = (xdim-1) & 0xff; head[9] = ((xdim-1) >> 8) & 0xff; head[10] = (ydim-1) & 0xff; head[11] = ((ydim-1) >> 8) & 0xff; bpl = xdim + (xdim&1); head[66] = bpl & 0xff; head[67] = (bpl >> 8) & 0xff; Bfwrite(head, 128, 1, fil); begindrawing(); //{{{ ptr = (unsigned char *)frameplace; // targa renders bottom to top, from left to right if (inverseit && qsetmode != 200) { inversebuf = kmalloc(bytesperline); if (inversebuf) { for (i=0; i> 2); for (j=0; j < (bytesperline>>2); j++) ((int *)inversebuf)[j] ^= 0x0f0f0f0fL; writepcxline(inversebuf, xdim, 1, fil); } kfree(inversebuf); } } else { #if USE_POLYMOST && USE_OPENGL if (rendmode >= 3 && qsetmode == 200) { // 24bit inversebuf = kmalloc(xdim*ydim*3); if (inversebuf) { glfunc.glReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,inversebuf); for (i=ydim-1; i>=0; i--) { writepcxline(inversebuf+i*xdim*3, xdim, 3, fil); writepcxline(inversebuf+i*xdim*3+1, xdim, 3, fil); writepcxline(inversebuf+i*xdim*3+2, xdim, 3, fil); } kfree(inversebuf); } } else { #endif for (i=0; i 2) renderer = 2; } else { renderer = 3; } rendmode = renderer; return 0; } // // getrendermode // int getrendermode(void) { return rendmode; } // // setrollangle // void setrollangle(int rolla) { if (rolla == 0) gtang = 0.0; else gtang = PI * (double)rolla / 1024.0; } #endif //USE_POLYMOST #if USE_POLYMOST && USE_OPENGL // // invalidatetile // pal: pass -1 to invalidate all palettes for the tile, or >=0 for a particular palette // how: pass -1 to invalidate all instances of the tile in texture memory, or a bitfield // bit 0: opaque or masked (non-translucent) texture, using repeating // bit 1: ignored // bit 2: ignored (33% translucence, using repeating) // bit 3: ignored (67% translucence, using repeating) // bit 4: opaque or masked (non-translucent) texture, using clamping // bit 5: ignored // bit 6: ignored (33% translucence, using clamping) // bit 7: ignored (67% translucence, using clamping) // clamping is for sprites, repeating is for walls // void invalidatetile(short tilenume, int pal, int how) { int numpal, firstpal, np; int hp; if (rendmode < 3) return; if (pal < 0) { numpal = MAXPALOOKUPS; firstpal = 0; } else { numpal = 1; firstpal = pal % MAXPALOOKUPS; } for (hp = 0; hp < 8; hp+=4) { if (!(how & pow2long[hp])) continue; for (np = firstpal; np < firstpal+numpal; np++) { polymost_texinvalidate(tilenume, np, hp); } } } // // setpolymost2dview // Sets OpenGL for 2D drawing // void setpolymost2dview(void) { if (rendmode < 3) return; if (gloy1 != -1) { glfunc.glViewport(0,0,xres,yres); } gloy1 = -1; glfunc.glDisable(GL_DEPTH_TEST); glfunc.glDisable(GL_BLEND); } #endif //USE_POLYMOST && USE_OPENGL void buildprintf(const char *fmt, ...) { char tmpstr[1024]; va_list va, vac; va_start(va, fmt); va_copy(vac, va); vfprintf(stdout, fmt, vac); va_end(vac); if (logfile) { va_copy(vac, va); vfprintf(logfile, fmt, vac); va_end(vac); } va_copy(vac, va); Bvsnprintf(tmpstr, sizeof(tmpstr)-1, fmt, vac); tmpstr[sizeof(tmpstr)-1] = 0; va_end(vac); initputs(tmpstr); OSD_Puts(tmpstr); va_end(va); } void buildputs(const char *str) { fputs(str, stdout); if (logfile) fputs(str, logfile); initputs(str); // the startup window OSD_Puts(str); // the onscreen-display } void buildsetlogfile(const char *fn) { if (logfile) Bfclose(logfile); logfile = NULL; if (fn) logfile = Bfopen(fn,"w"); if (logfile) setvbuf(logfile, (char*)NULL, _IONBF, 0); } /* * vim:ts=8: */