1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 2 /* hack.cmd.c - version 1.0.3 */ 3 /* $FreeBSD: src/games/hack/hack.cmd.c,v 1.4 1999/11/16 10:26:35 marcel Exp $ */ 4 /* $DragonFly: src/games/hack/hack.cmd.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */ 5 6 #include "hack.h" 7 #include "def.func_tab.h" 8 9 static int doextcmd(void); 10 static char lowc(char); 11 static char unctrl(char); 12 #ifdef QUEST 13 static bool isroom(int, int); 14 #endif 15 static int done2(void); 16 17 struct func_tab cmdlist[]={ 18 { '\020', doredotopl }, 19 { '\022', doredraw }, 20 { '\024', dotele }, 21 #ifdef SUSPEND 22 { '\032', dosuspend }, 23 #endif /* SUSPEND */ 24 { 'a', doapply }, 25 /* 'A' : UNUSED */ 26 /* 'b', 'B' : go sw */ 27 { 'c', ddocall }, 28 { 'C', do_mname }, 29 { 'd', dodrop }, 30 { 'D', doddrop }, 31 { 'e', doeat }, 32 { 'E', doengrave }, 33 /* 'f', 'F' : multiple go (might become 'fight') */ 34 /* 'g', 'G' : UNUSED */ 35 /* 'h', 'H' : go west */ 36 { 'I', dotypeinv }, /* Robert Viduya */ 37 { 'i', ddoinv }, 38 /* 'j', 'J', 'k', 'K', 'l', 'L', 'm', 'M', 'n', 'N' : move commands */ 39 /* 'o', doopen, */ 40 { 'O', doset }, 41 { 'p', dopay }, 42 { 'P', dowearring }, 43 { 'q', dodrink }, 44 { 'Q', done2 }, 45 { 'r', doread }, 46 { 'R', doremring }, 47 { 's', dosearch }, 48 { 'S', dosave }, 49 { 't', dothrow }, 50 { 'T', doremarm }, 51 /* 'u', 'U' : go ne */ 52 { 'v', doversion }, 53 /* 'V' : UNUSED */ 54 { 'w', dowield }, 55 { 'W', doweararm }, 56 /* 'x', 'X' : UNUSED */ 57 /* 'y', 'Y' : go nw */ 58 { 'z', dozap }, 59 /* 'Z' : UNUSED */ 60 { '<', doup }, 61 { '>', dodown }, 62 { '/', dowhatis }, 63 { '?', dohelp }, 64 #ifdef SHELL 65 { '!', dosh }, 66 #endif /* SHELL */ 67 { '.', donull }, 68 { ' ', donull }, 69 { ',', dopickup }, 70 { ':', dolook }, 71 { '^', doidtrap }, 72 { '\\', dodiscovered }, /* Robert Viduya */ 73 { WEAPON_SYM, doprwep }, 74 { ARMOR_SYM, doprarm }, 75 { RING_SYM, doprring }, 76 { '$', doprgold }, 77 { '#', doextcmd }, 78 { 0, 0 } 79 }; 80 81 struct ext_func_tab extcmdlist[] = { 82 { "dip", dodip }, 83 { "pray", dopray }, 84 { NULL, donull } 85 }; 86 87 extern char quitchars[]; 88 89 void 90 rhack(const char *cmd) 91 { 92 struct func_tab *tlist = cmdlist; 93 boolean firsttime = FALSE; 94 int res; 95 96 if(!cmd) { 97 firsttime = TRUE; 98 flags.nopick = 0; 99 cmd = parse(); 100 } 101 if(!*cmd || (*cmd & 0377) == 0377 || 102 (flags.no_rest_on_space && *cmd == ' ')){ 103 bell(); 104 flags.move = 0; 105 return; /* probably we just had an interrupt */ 106 } 107 if(movecmd(*cmd)) { 108 walk: 109 if(multi) flags.mv = 1; 110 domove(); 111 return; 112 } 113 if(movecmd(lowc(*cmd))) { 114 flags.run = 1; 115 rush: 116 if(firsttime){ 117 if(!multi) multi = COLNO; 118 u.last_str_turn = 0; 119 } 120 flags.mv = 1; 121 #ifdef QUEST 122 if(flags.run >= 4) finddir(); 123 if(firsttime){ 124 u.ux0 = u.ux + u.dx; 125 u.uy0 = u.uy + u.dy; 126 } 127 #endif /* QUEST */ 128 domove(); 129 return; 130 } 131 if((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) { 132 flags.run = 2; 133 goto rush; 134 } 135 if(*cmd == 'F' && movecmd(lowc(cmd[1]))) { 136 flags.run = 3; 137 goto rush; 138 } 139 if(*cmd == 'm' && movecmd(cmd[1])) { 140 flags.run = 0; 141 flags.nopick = 1; 142 goto walk; 143 } 144 if(*cmd == 'M' && movecmd(lowc(cmd[1]))) { 145 flags.run = 1; 146 flags.nopick = 1; 147 goto rush; 148 } 149 #ifdef QUEST 150 if(*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) { 151 flags.run = 4; 152 if(*cmd == 'F') flags.run += 2; 153 if(cmd[2] == '-') flags.run += 1; 154 goto rush; 155 } 156 #endif /* QUEST */ 157 while(tlist->f_char) { 158 if(*cmd == tlist->f_char){ 159 res = (*(tlist->f_funct))(); 160 if(!res) { 161 flags.move = 0; 162 multi = 0; 163 } 164 return; 165 } 166 tlist++; 167 } 168 { char expcmd[10]; 169 char *cp = expcmd; 170 while(*cmd && cp-expcmd < (int)sizeof(expcmd)-2) { 171 if(*cmd >= 040 && *cmd < 0177) 172 *cp++ = *cmd++; 173 else { 174 *cp++ = '^'; 175 *cp++ = *cmd++ ^ 0100; 176 } 177 } 178 *cp++ = 0; 179 pline("Unknown command '%s'.", expcmd); 180 } 181 multi = flags.move = 0; 182 } 183 184 static int 185 doextcmd(void) /* here after # - now read a full-word command */ 186 { 187 char buf[BUFSZ]; 188 struct ext_func_tab *efp = extcmdlist; 189 190 pline("# "); 191 getlin(buf); 192 clrlin(); 193 if(buf[0] == '\033') 194 return(0); 195 while(efp->ef_txt) { 196 if(!strcmp(efp->ef_txt, buf)) 197 return((*(efp->ef_funct))()); 198 efp++; 199 } 200 pline("%s: unknown command.", buf); 201 return(0); 202 } 203 204 static char 205 lowc(char sym) 206 { 207 return( (sym >= 'A' && sym <= 'Z') ? sym+'a'-'A' : sym ); 208 } 209 210 static char 211 unctrl(char sym) 212 { 213 return( (sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym ); 214 } 215 216 /* 'rogue'-like direction commands */ 217 char sdir[] = "hykulnjb><"; 218 schar xdir[10] = { -1,-1, 0, 1, 1, 1, 0,-1, 0, 0 }; 219 schar ydir[10] = { 0,-1,-1,-1, 0, 1, 1, 1, 0, 0 }; 220 schar zdir[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 1,-1 }; 221 222 bool 223 movecmd(char sym) /* also sets u.dz, but returns false for <> */ 224 { 225 char *dp; 226 227 u.dz = 0; 228 if(!(dp = index(sdir, sym))) return(0); 229 u.dx = xdir[dp-sdir]; 230 u.dy = ydir[dp-sdir]; 231 u.dz = zdir[dp-sdir]; 232 return(!u.dz); 233 } 234 235 bool 236 getdir(bool s) 237 { 238 char dirsym; 239 240 if(s) pline("In what direction?"); 241 dirsym = readchar(); 242 if(!movecmd(dirsym) && !u.dz) { 243 if(!index(quitchars, dirsym)) 244 pline("What a strange direction!"); 245 return(0); 246 } 247 if(Confusion && !u.dz) 248 confdir(); 249 return(1); 250 } 251 252 void 253 confdir(void) 254 { 255 int x = rn2(8); 256 u.dx = xdir[x]; 257 u.dy = ydir[x]; 258 } 259 260 #ifdef QUEST 261 void 262 finddir(void) 263 { 264 int i, ui = u.di; 265 for(i = 0; i <= 8; i++){ 266 if(flags.run & 1) ui++; else ui += 7; 267 ui %= 8; 268 if(i == 8){ 269 pline("Not near a wall."); 270 flags.move = multi = 0; 271 return; 272 } 273 if(!isroom(u.ux+xdir[ui], u.uy+ydir[ui])) 274 break; 275 } 276 for(i = 0; i <= 8; i++){ 277 if(flags.run & 1) ui += 7; else ui++; 278 ui %= 8; 279 if(i == 8){ 280 pline("Not near a room."); 281 flags.move = multi = 0; 282 return; 283 } 284 if(isroom(u.ux+xdir[ui], u.uy+ydir[ui])) 285 break; 286 } 287 u.di = ui; 288 u.dx = xdir[ui]; 289 u.dy = ydir[ui]; 290 } 291 292 static bool 293 isroom(int x, int y) 294 { /* what about POOL? */ 295 return(isok(x,y) && (levl[x][y].typ == ROOM || 296 (levl[x][y].typ >= LDOOR && flags.run >= 6))); 297 } 298 #endif /* QUEST */ 299 300 bool 301 isok(int x, int y) 302 { 303 /* x corresponds to curx, so x==1 is the first column. Ach. %% */ 304 return(x >= 1 && x <= COLNO-1 && y >= 0 && y <= ROWNO-1); 305 } 306 307 /* 308 * done2 is a function that fits into cmdlist[] (int func(void)) 309 * and calls done1 which discards its argument. 310 */ 311 static int 312 done2(void) 313 { 314 done1(0); 315 return(0); 316 } 317