1 /* $OpenBSD: hack.cmd.c,v 1.6 2003/05/19 06:30:56 pjanzen Exp $ */ 2 3 /* 4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica, 5 * Amsterdam 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * - Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * - Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * - Neither the name of the Stichting Centrum voor Wiskunde en 20 * Informatica, nor the names of its contributors may be used to endorse or 21 * promote products derived from this software without specific prior 22 * written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 /* 38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org> 39 * All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. The name of the author may not be used to endorse or promote products 50 * derived from this software without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 */ 63 64 #ifndef lint 65 static const char rcsid[] = "$OpenBSD: hack.cmd.c,v 1.6 2003/05/19 06:30:56 pjanzen Exp $"; 66 #endif /* not lint */ 67 68 #include "hack.h" 69 #include "def.func_tab.h" 70 #include <ctype.h> 71 72 struct func_tab cmdlist[]={ 73 { '\020', doredotopl }, 74 { '\022', doredraw }, 75 { '\024', dotele }, 76 #ifdef SUSPEND 77 { '\032', dosuspend }, 78 #endif /* SUSPEND */ 79 { 'a', doapply }, 80 /* 'A' : UNUSED */ 81 /* 'b', 'B' : go sw */ 82 { 'c', ddocall }, 83 { 'C', do_mname }, 84 { 'd', dodrop }, 85 { 'D', doddrop }, 86 { 'e', doeat }, 87 { 'E', doengrave }, 88 /* 'f', 'F' : multiple go (might become 'fight') */ 89 /* 'g', 'G' : UNUSED */ 90 /* 'h', 'H' : go west */ 91 { 'I', dotypeinv }, /* Robert Viduya */ 92 { 'i', ddoinv }, 93 /* 'j', 'J', 'k', 'K', 'l', 'L', 'm', 'M', 'n', 'N' : move commands */ 94 /* 'o', doopen, */ 95 { 'O', doset }, 96 { 'p', dopay }, 97 { 'P', dowearring }, 98 { 'q', dodrink }, 99 { 'Q', done2 }, 100 { 'r', doread }, 101 { 'R', doremring }, 102 { 's', dosearch }, 103 { 'S', dosave }, 104 { 't', dothrow }, 105 { 'T', doremarm }, 106 /* 'u', 'U' : go ne */ 107 { 'v', doversion }, 108 /* 'V' : UNUSED */ 109 { 'w', dowield }, 110 { 'W', doweararm }, 111 /* 'x', 'X' : UNUSED */ 112 /* 'y', 'Y' : go nw */ 113 { 'z', dozap }, 114 /* 'Z' : UNUSED */ 115 { '<', doup }, 116 { '>', dodown }, 117 { '/', dowhatis }, 118 { '?', dohelp }, 119 #ifdef SHELL 120 { '!', dosh }, 121 #endif /* SHELL */ 122 { '.', donull }, 123 { ' ', donull }, 124 { ',', dopickup }, 125 { ':', dolook }, 126 { '^', doidtrap }, 127 { '\\', dodiscovered }, /* Robert Viduya */ 128 { WEAPON_SYM, doprwep }, 129 { ARMOR_SYM, doprarm }, 130 { RING_SYM, doprring }, 131 { '$', doprgold }, 132 { '#', doextcmd }, 133 { '\0', NULL } 134 }; 135 136 struct ext_func_tab extcmdlist[] = { 137 { "dip", dodip }, 138 { "pray", dopray }, 139 { NULL, donull} 140 }; 141 142 extern char quitchars[]; 143 144 static char unctrl(char); 145 146 void 147 rhack(char *cmd) 148 { 149 struct func_tab *tlist = cmdlist; 150 boolean firsttime = FALSE; 151 int res; 152 153 if(!cmd) { 154 firsttime = TRUE; 155 flags.nopick = 0; 156 cmd = parse(); 157 } 158 if(!*cmd || (*cmd & 0377) == 0377 || 159 (flags.no_rest_on_space && *cmd == ' ')){ 160 hackbell(); 161 flags.move = 0; 162 return; /* probably we just had an interrupt */ 163 } 164 if(movecmd(*cmd)) { 165 walk: 166 if(multi) flags.mv = 1; 167 domove(); 168 return; 169 } 170 if(movecmd(tolower(*cmd))) { 171 flags.run = 1; 172 rush: 173 if(firsttime){ 174 if(!multi) multi = COLNO; 175 u.last_str_turn = 0; 176 } 177 flags.mv = 1; 178 #ifdef QUEST 179 if(flags.run >= 4) finddir(); 180 if(firsttime){ 181 u.ux0 = u.ux + u.dx; 182 u.uy0 = u.uy + u.dy; 183 } 184 #endif /* QUEST */ 185 domove(); 186 return; 187 } 188 if((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) { 189 flags.run = 2; 190 goto rush; 191 } 192 if(*cmd == 'F' && movecmd(tolower(cmd[1]))) { 193 flags.run = 3; 194 goto rush; 195 } 196 if(*cmd == 'm' && movecmd(cmd[1])) { 197 flags.run = 0; 198 flags.nopick = 1; 199 goto walk; 200 } 201 if(*cmd == 'M' && movecmd(tolower(cmd[1]))) { 202 flags.run = 1; 203 flags.nopick = 1; 204 goto rush; 205 } 206 #ifdef QUEST 207 if(*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) { 208 flags.run = 4; 209 if(*cmd == 'F') flags.run += 2; 210 if(cmd[2] == '-') flags.run += 1; 211 goto rush; 212 } 213 #endif /* QUEST */ 214 while(tlist->f_char) { 215 if(*cmd == tlist->f_char){ 216 res = (*(tlist->f_funct))(); 217 if(!res) { 218 flags.move = 0; 219 multi = 0; 220 } 221 return; 222 } 223 tlist++; 224 } 225 { char expcmd[10]; 226 char *cp = expcmd; 227 while(*cmd && cp-expcmd < sizeof(expcmd)-2) { 228 if(*cmd >= 040 && *cmd < 0177) 229 *cp++ = *cmd++; 230 else { 231 *cp++ = '^'; 232 *cp++ = *cmd++ ^ 0100; 233 } 234 } 235 *cp++ = 0; 236 pline("Unknown command '%s'.", expcmd); 237 } 238 multi = flags.move = 0; 239 } 240 241 int 242 doextcmd() /* here after # - now read a full-word command */ 243 { 244 char buf[BUFSZ]; 245 struct ext_func_tab *efp = extcmdlist; 246 247 pline("# "); 248 getlin(buf); 249 clrlin(); 250 if(buf[0] == '\033') 251 return(0); 252 while(efp->ef_txt) { 253 if(!strcmp(efp->ef_txt, buf)) 254 return((*(efp->ef_funct))()); 255 efp++; 256 } 257 pline("%s: unknown command.", buf); 258 return(0); 259 } 260 261 static char 262 unctrl(char sym) 263 { 264 return( (sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym ); 265 } 266 267 /* 'rogue'-like direction commands */ 268 char sdir[] = "hykulnjb><"; 269 schar xdir[10] = { -1,-1, 0, 1, 1, 1, 0,-1, 0, 0 }; 270 schar ydir[10] = { 0,-1,-1,-1, 0, 1, 1, 1, 0, 0 }; 271 schar zdir[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 1,-1 }; 272 273 int 274 movecmd(char sym) /* also sets u.dz, but returns false for <> */ 275 { 276 char *dp; 277 278 u.dz = 0; 279 if(!(dp = strchr(sdir, sym))) return(0); 280 u.dx = xdir[dp-sdir]; 281 u.dy = ydir[dp-sdir]; 282 u.dz = zdir[dp-sdir]; 283 return(!u.dz); 284 } 285 286 int 287 getdir(boolean s) 288 { 289 char dirsym; 290 291 if(s) pline("In what direction?"); 292 dirsym = readchar(); 293 if(!movecmd(dirsym) && !u.dz) { 294 if(!strchr(quitchars, dirsym)) 295 pline("What a strange direction!"); 296 return(0); 297 } 298 if(Confusion && !u.dz) 299 confdir(); 300 return(1); 301 } 302 303 void 304 confdir() 305 { 306 int x = rn2(8); 307 u.dx = xdir[x]; 308 u.dy = ydir[x]; 309 } 310 311 #ifdef QUEST 312 void 313 finddir() 314 { 315 int i, ui = u.di; 316 317 for(i = 0; i <= 8; i++){ 318 if(flags.run & 1) ui++; else ui += 7; 319 ui %= 8; 320 if(i == 8){ 321 pline("Not near a wall."); 322 flags.move = multi = 0; 323 return; 324 } 325 if(!isroom(u.ux+xdir[ui], u.uy+ydir[ui])) 326 break; 327 } 328 for(i = 0; i <= 8; i++){ 329 if(flags.run & 1) ui += 7; else ui++; 330 ui %= 8; 331 if(i == 8){ 332 pline("Not near a room."); 333 flags.move = multi = 0; 334 return; 335 } 336 if(isroom(u.ux+xdir[ui], u.uy+ydir[ui])) 337 break; 338 } 339 u.di = ui; 340 u.dx = xdir[ui]; 341 u.dy = ydir[ui]; 342 } 343 344 int 345 isroom(int x, int y) 346 { /* what about POOL? */ 347 return(isok(x,y) && (levl[x][y].typ == ROOM || 348 (levl[x][y].typ >= LDOOR && flags.run >= 6))); 349 } 350 #endif /* QUEST */ 351 352 int 353 isok(int x, int y) 354 { 355 /* x corresponds to curx, so x==1 is the first column. Ach. %% */ 356 return(x >= 1 && x <= COLNO-1 && y >= 0 && y <= ROWNO-1); 357 } 358