1 /* $NetBSD: extern.h,v 1.20 2001/01/04 01:56:27 jwise Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)externs.h 8.1 (Berkeley) 5/31/93 36 */ 37 38 #include <stdio.h> 39 #include <signal.h> 40 #include <string.h> 41 #include <ctype.h> 42 #include <setjmp.h> 43 #include <sys/types.h> 44 #include "machdep.h" 45 46 /* program mode */ 47 extern int mode; 48 extern jmp_buf restart; 49 #define MODE_PLAYER 1 50 #define MODE_DRIVER 2 51 #define MODE_LOGGER 3 52 53 /* command line flags */ 54 extern char randomize; /* -x, give first available ship */ 55 extern char longfmt; /* -l, print score in long format */ 56 extern char nobells; /* -b, don't ring bell before Signal */ 57 58 /* other initial modes */ 59 extern gid_t gid; 60 extern gid_t egid; 61 62 #define dieroll() ((random()) % 6 + 1) 63 #define sqr(a) ((a) * (a)) 64 #define abs(a) ((a) > 0 ? (a) : -(a)) 65 #define min(a,b) ((a) < (b) ? (a) : (b)) 66 67 #define grappled(a) ((a)->file->ngrap) 68 #define fouled(a) ((a)->file->nfoul) 69 #define snagged(a) (grappled(a) + fouled(a)) 70 71 #define grappled2(a, b) ((a)->file->grap[(b)->file->index].sn_count) 72 #define fouled2(a, b) ((a)->file->foul[(b)->file->index].sn_count) 73 #define snagged2(a, b) (grappled2(a, b) + fouled2(a, b)) 74 75 #define Xgrappled2(a, b) ((a)->file->grap[(b)->file->index].sn_turn < turn-1 ? grappled2(a, b) : 0) 76 #define Xfouled2(a, b) ((a)->file->foul[(b)->file->index].sn_turn < turn-1 ? fouled2(a, b) : 0) 77 #define Xsnagged2(a, b) (Xgrappled2(a, b) + Xfouled2(a, b)) 78 79 #define cleangrapple(a, b, c) Cleansnag(a, b, c, 1) 80 #define cleanfoul(a, b, c) Cleansnag(a, b, c, 2) 81 #define cleansnag(a, b, c) Cleansnag(a, b, c, 3) 82 83 #define sterncolour(sp) ((sp)->file->stern+'0'-((sp)->file->captured?10:0)) 84 #define sternrow(sp) ((sp)->file->row + dr[(sp)->file->dir]) 85 #define sterncol(sp) ((sp)->file->col + dc[(sp)->file->dir]) 86 87 #define capship(sp) ((sp)->file->captured?(sp)->file->captured:(sp)) 88 89 #define readyname(r) ((r) & R_LOADING ? '*' : ((r) & R_INITIAL ? '!' : ' ')) 90 91 /* loadL and loadR, should match loadname[] */ 92 #define L_EMPTY 0 /* should be 0, don't change */ 93 #define L_GRAPE 1 94 #define L_CHAIN 2 95 #define L_ROUND 3 96 #define L_DOUBLE 4 97 #define L_EXPLODE 5 98 99 /* 100 * readyL and readyR, these are bits, except R_EMPTY 101 */ 102 #define R_EMPTY 0 /* not loaded and not loading */ 103 #define R_LOADING 1 /* loading */ 104 #define R_DOUBLE 2 /* loading double */ 105 #define R_LOADED 4 /* loaded */ 106 #define R_INITIAL 8 /* loaded initial */ 107 108 #define HULL 0 109 #define RIGGING 1 110 111 #define W_CAPTAIN 1 112 #define W_CAPTURED 2 113 #define W_CLASS 3 114 #define W_CREW 4 115 #define W_DBP 5 116 #define W_DRIFT 6 117 #define W_EXPLODE 7 118 #define W_FILE 8 119 #define W_FOUL 9 120 #define W_GUNL 10 121 #define W_GUNR 11 122 #define W_HULL 12 123 #define W_MOVE 13 124 #define W_OBP 14 125 #define W_PCREW 15 126 #define W_UNFOUL 16 127 #define W_POINTS 17 128 #define W_QUAL 18 129 #define W_UNGRAP 19 130 #define W_RIGG 20 131 #define W_COL 21 132 #define W_DIR 22 133 #define W_ROW 23 134 #define W_SIGNAL 24 135 #define W_SINK 25 136 #define W_STRUCK 26 137 #define W_TA 27 138 #define W_ALIVE 28 139 #define W_TURN 29 140 #define W_WIND 30 141 #define W_FS 31 142 #define W_GRAP 32 143 #define W_RIG1 33 144 #define W_RIG2 34 145 #define W_RIG3 35 146 #define W_RIG4 36 147 #define W_BEGIN 37 148 #define W_END 38 149 #define W_DDEAD 39 150 151 #define NLOG 10 152 struct logs { 153 char l_name[20]; 154 int l_uid; 155 int l_shipnum; 156 int l_gamenum; 157 int l_netpoints; 158 }; 159 160 struct BP { 161 short turnsent; 162 struct ship *toship; 163 short mensent; 164 }; 165 166 struct snag { 167 short sn_count; 168 short sn_turn; 169 }; 170 171 #define NSCENE nscene 172 #define NSHIP 10 173 #define NBP 3 174 175 #define NNATION 8 176 #define N_A 0 177 #define N_B 1 178 #define N_S 2 179 #define N_F 3 180 #define N_J 4 181 #define N_D 5 182 #define N_K 6 183 #define N_O 7 184 185 struct File { 186 int index; 187 char captain[20]; /* 0 */ 188 short points; /* 20 */ 189 unsigned char loadL; /* 22 */ 190 unsigned char loadR; /* 24 */ 191 unsigned char readyL; /* 26 */ 192 unsigned char readyR; /* 28 */ 193 struct BP OBP[NBP]; /* 30 */ 194 struct BP DBP[NBP]; /* 48 */ 195 char struck; /* 66 */ 196 struct ship *captured; /* 68 */ 197 short pcrew; /* 70 */ 198 char movebuf[10]; /* 72 */ 199 char drift; /* 82 */ 200 short nfoul; 201 short ngrap; 202 struct snag foul[NSHIP]; /* 84 */ 203 struct snag grap[NSHIP]; /* 124 */ 204 char RH; /* 224 */ 205 char RG; /* 226 */ 206 char RR; /* 228 */ 207 char FS; /* 230 */ 208 char explode; /* 232 */ 209 char sink; /* 234 */ 210 unsigned char dir; 211 short col; 212 short row; 213 char loadwith; 214 char stern; 215 }; 216 217 struct ship { 218 const char *shipname; /* 0 */ 219 struct shipspecs *specs; /* 2 */ 220 unsigned char nationality; /* 4 */ 221 short shiprow; /* 6 */ 222 short shipcol; /* 8 */ 223 char shipdir; /* 10 */ 224 struct File *file; /* 12 */ 225 }; 226 227 struct scenario { 228 char winddir; /* 0 */ 229 char windspeed; /* 2 */ 230 char windchange; /* 4 */ 231 unsigned char vessels; /* 12 */ 232 const char *name; /* 14 */ 233 struct ship ship[NSHIP]; /* 16 */ 234 }; 235 extern struct scenario scene[]; 236 extern int nscene; 237 238 struct shipspecs { 239 char bs; 240 char fs; 241 char ta; 242 short guns; 243 unsigned char class; 244 char hull; 245 unsigned char qual; 246 char crew1; 247 char crew2; 248 char crew3; 249 char gunL; 250 char gunR; 251 char carL; 252 char carR; 253 int rig1; 254 int rig2; 255 int rig3; 256 int rig4; 257 short pts; 258 }; 259 extern struct shipspecs specs[]; 260 261 extern struct scenario *cc; /* the current scenario */ 262 extern struct ship *ls; /* &cc->ship[cc->vessels] */ 263 264 #define SHIP(s) (&cc->ship[s]) 265 #define foreachship(sp) for ((sp) = cc->ship; (sp) < ls; (sp)++) 266 267 struct windeffects { 268 char A, B, C, D; 269 }; 270 extern const struct windeffects WET[7][6]; 271 272 struct Tables { 273 char H, G, C, R; 274 }; 275 extern const struct Tables RigTable[11][6]; 276 extern const struct Tables HullTable[11][6]; 277 278 extern const char AMMO[9][4]; 279 extern const char HDT[9][10]; 280 extern const char HDTrake[9][10]; 281 extern const char QUAL[9][5]; 282 extern const char MT[9][3]; 283 284 extern const char *const countryname[]; 285 extern const char *const classname[]; 286 extern const char *const directionname[]; 287 extern const char *const qualname[]; 288 extern const char loadname[]; 289 290 extern const char rangeofshot[]; 291 292 extern const char dr[], dc[]; 293 294 extern int winddir; 295 extern int windspeed; 296 extern int turn; 297 extern int game; 298 extern int alive; 299 extern int people; 300 extern char hasdriver; 301 302 /* assorted.c */ 303 void table (int, int, int, struct ship *, struct ship *, int); 304 void Cleansnag (struct ship *, struct ship *, int, int); 305 306 /* dr_1.c */ 307 void unfoul (void); 308 void boardcomp (void); 309 void resolve (void); 310 void compcombat (void); 311 int next (void); 312 313 /* dr_2.c */ 314 void thinkofgrapples (void); 315 void checkup (void); 316 void prizecheck (void); 317 void closeon (struct ship *, struct ship *, char *, int, int, int); 318 319 /* dr_3.c */ 320 void moveall (void); 321 void sendbp (struct ship *, struct ship *, int, int); 322 int is_toughmelee (struct ship *, struct ship *, int, int); 323 void reload (void); 324 void checksails (void); 325 326 /* dr_4.c */ 327 void ungrap (struct ship *, struct ship *); 328 void grap (struct ship *, struct ship *); 329 330 /* dr_5.c */ 331 void subtract (struct ship *, int, int [3], struct ship *, int); 332 int mensent (struct ship *, struct ship *, int[3], struct ship **, int *, 333 int); 334 335 /* dr_main.c */ 336 int dr_main (void); 337 338 /* game.c */ 339 int maxturns (struct ship *, char *); 340 int maxmove (struct ship *, int, int); 341 342 /* lo_main.c */ 343 int lo_main (void); 344 345 /* misc.c */ 346 int range (struct ship *, struct ship *); 347 struct ship *closestenemy (struct ship *, int, int); 348 int angle (int, int); 349 int gunsbear (struct ship *, struct ship *); 350 int portside (struct ship *, struct ship *, int); 351 int colours (struct ship *); 352 void logger (struct ship *); 353 354 /* parties.c */ 355 int meleeing (struct ship *, struct ship *); 356 int boarding (struct ship *, int); 357 void unboard (struct ship *, struct ship *, int); 358 359 /* pl_1.c */ 360 void leave (int) __attribute__((__noreturn__)); 361 void choke (int) __attribute__((__noreturn__)); 362 void child (int); 363 364 /* pl_2.c */ 365 void play (void) __attribute__((__noreturn__)); 366 367 /* pl_3.c */ 368 void acceptcombat (void); 369 void grapungrap (void); 370 void unfoulplayer (void); 371 372 /* pl_4.c */ 373 void changesail (void); 374 void acceptsignal (void); 375 void lookout (void); 376 const char *saywhat (struct ship *, int); 377 void eyeball (struct ship *); 378 379 /* pl_5.c */ 380 void acceptmove (void); 381 void acceptboard (void); 382 void parties (int[3], struct ship *, int, int); 383 384 /* pl_6.c */ 385 void repair (void); 386 int turned (void); 387 void loadplayer (void); 388 389 /* pl_7.c */ 390 void initscreen (void); 391 void cleanupscreen (void); 392 void newturn (int); 393 void Signal (const char *, struct ship *, ...) 394 __attribute__((__format__(__printf__,1,3))); 395 void Msg (const char *, ...) 396 __attribute__((__format__(__printf__,1,2))); 397 void Scroll (void); 398 void prompt (const char *, struct ship *); 399 void endprompt (int); 400 int sgetch (const char *, struct ship *, int); 401 void sgetstr (const char *, char *, int); 402 void draw_screen (void); 403 void draw_view (void); 404 void draw_turn (void); 405 void draw_stat (void); 406 void draw_slot (void); 407 void draw_board (void); 408 void centerview (void); 409 void upview (void); 410 void downview (void); 411 void leftview (void); 412 void rightview (void); 413 void adjustview (void); 414 415 /* pl_main.c */ 416 int pl_main (void); 417 void initialize (void); 418 419 /* sync.c */ 420 void fmtship (char *, size_t, const char *, struct ship *); 421 void makesignal (struct ship *, const char *, struct ship *, ...) 422 __attribute__((__format__(__printf__,2,4))); 423 void makemsg (struct ship *, const char *, ...) 424 __attribute__((__format__(__printf__,2,3))); 425 int sync_exists (int); 426 int sync_open (void); 427 void sync_close (int); 428 void Write (int, struct ship *, long, long, long, long); 429 void Writestr (int, struct ship *, const char *); 430 int Sync (void); 431 int sync_update (int, struct ship *, const char *, long, long, long, long); 432