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) 110 flags.mv = 1; 111 domove(); 112 return; 113 } 114 if (movecmd(lowc(*cmd))) { 115 flags.run = 1; 116 rush: 117 if (firsttime) { 118 if (!multi) 119 multi = COLNO; 120 u.last_str_turn = 0; 121 } 122 flags.mv = 1; 123 #ifdef QUEST 124 if (flags.run >= 4) 125 finddir(); 126 if (firsttime) { 127 u.ux0 = u.ux + u.dx; 128 u.uy0 = u.uy + u.dy; 129 } 130 #endif /* QUEST */ 131 domove(); 132 return; 133 } 134 if ((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) { 135 flags.run = 2; 136 goto rush; 137 } 138 if (*cmd == 'F' && movecmd(lowc(cmd[1]))) { 139 flags.run = 3; 140 goto rush; 141 } 142 if (*cmd == 'm' && movecmd(cmd[1])) { 143 flags.run = 0; 144 flags.nopick = 1; 145 goto walk; 146 } 147 if (*cmd == 'M' && movecmd(lowc(cmd[1]))) { 148 flags.run = 1; 149 flags.nopick = 1; 150 goto rush; 151 } 152 #ifdef QUEST 153 if (*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) { 154 flags.run = 4; 155 if (*cmd == 'F') 156 flags.run += 2; 157 if (cmd[2] == '-') 158 flags.run += 1; 159 goto rush; 160 } 161 #endif /* QUEST */ 162 while (tlist->f_char) { 163 if (*cmd == tlist->f_char) { 164 res = (*(tlist->f_funct))(); 165 if (!res) { 166 flags.move = 0; 167 multi = 0; 168 } 169 return; 170 } 171 tlist++; 172 } 173 { 174 char expcmd[10]; 175 char *cp = expcmd; 176 while (*cmd && cp - expcmd < (int)sizeof(expcmd) - 2) { 177 if (*cmd >= 040 && *cmd < 0177) 178 *cp++ = *cmd++; 179 else { 180 *cp++ = '^'; 181 *cp++ = *cmd++ ^ 0100; 182 } 183 } 184 *cp++ = 0; 185 pline("Unknown command '%s'.", expcmd); 186 } 187 multi = flags.move = 0; 188 } 189 190 static int 191 doextcmd(void) /* here after # - now read a full-word command */ 192 { 193 char buf[BUFSZ]; 194 struct ext_func_tab *efp = extcmdlist; 195 196 pline("# "); 197 getlin(buf); 198 clrlin(); 199 if (buf[0] == '\033') 200 return (0); 201 while (efp->ef_txt) { 202 if (!strcmp(efp->ef_txt, buf)) 203 return ((*(efp->ef_funct))()); 204 efp++; 205 } 206 pline("%s: unknown command.", buf); 207 return (0); 208 } 209 210 static char 211 lowc(char sym) 212 { 213 return ((sym >= 'A' && sym <= 'Z') ? sym + 'a' - 'A' : sym); 214 } 215 216 static char 217 unctrl(char sym) 218 { 219 return ((sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym); 220 } 221 222 /* 'rogue'-like direction commands */ 223 char sdir[] = "hykulnjb><"; 224 schar xdir[10] = { -1, -1, 0, 1, 1, 1, 0, -1, 0, 0 }; 225 schar ydir[10] = { 0, -1, -1, -1, 0, 1, 1, 1, 0, 0 }; 226 schar zdir[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 1, -1 }; 227 228 bool 229 movecmd(char sym) /* also sets u.dz, but returns false for <> */ 230 { 231 char *dp; 232 233 u.dz = 0; 234 if (!(dp = strchr(sdir, sym))) 235 return (0); 236 u.dx = xdir[dp - sdir]; 237 u.dy = ydir[dp - sdir]; 238 u.dz = zdir[dp - sdir]; 239 return (!u.dz); 240 } 241 242 bool 243 getdir(bool s) 244 { 245 char dirsym; 246 247 if (s) 248 pline("In what direction?"); 249 dirsym = readchar(); 250 if (!movecmd(dirsym) && !u.dz) { 251 if (!strchr(quitchars, dirsym)) 252 pline("What a strange direction!"); 253 return (0); 254 } 255 if (Confusion && !u.dz) 256 confdir(); 257 return (1); 258 } 259 260 void 261 confdir(void) 262 { 263 int x = rn2(8); 264 265 u.dx = xdir[x]; 266 u.dy = ydir[x]; 267 } 268 269 #ifdef QUEST 270 void 271 finddir(void) 272 { 273 int i, ui = u.di; 274 275 for (i = 0; i <= 8; i++) { 276 if (flags.run & 1) 277 ui++; 278 else 279 ui += 7; 280 ui %= 8; 281 if (i == 8) { 282 pline("Not near a wall."); 283 flags.move = multi = 0; 284 return; 285 } 286 if (!isroom(u.ux + xdir[ui], u.uy + ydir[ui])) 287 break; 288 } 289 for (i = 0; i <= 8; i++) { 290 if (flags.run & 1) 291 ui += 7; 292 else 293 ui++; 294 ui %= 8; 295 if (i == 8) { 296 pline("Not near a room."); 297 flags.move = multi = 0; 298 return; 299 } 300 if (isroom(u.ux + xdir[ui], u.uy + ydir[ui])) 301 break; 302 } 303 u.di = ui; 304 u.dx = xdir[ui]; 305 u.dy = ydir[ui]; 306 } 307 308 static bool 309 isroom(int x, int y) 310 { /* what about POOL? */ 311 return (isok(x, y) && (levl[x][y].typ == ROOM || 312 (levl[x][y].typ >= LDOOR && flags.run >= 6))); 313 } 314 #endif /* QUEST */ 315 316 bool 317 isok(int x, int y) 318 { 319 /* x corresponds to curx, so x==1 is the first column. Ach. %% */ 320 return (x >= 1 && x <= COLNO - 1 && y >= 0 && y <= ROWNO - 1); 321 } 322 323 /* 324 * done2 is a function that fits into cmdlist[] (int func(void)) 325 * and calls done1 which discards its argument. 326 */ 327 static int 328 done2(void) 329 { 330 done1(0); 331 return (0); 332 } 333