1 /* $OpenBSD: hack.cmd.c,v 1.7 2009/10/27 23:59:25 deraadt 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 #include "hack.h" 65 #include "def.func_tab.h" 66 #include <ctype.h> 67 68 struct func_tab cmdlist[]={ 69 { '\020', doredotopl }, 70 { '\022', doredraw }, 71 { '\024', dotele }, 72 #ifdef SUSPEND 73 { '\032', dosuspend }, 74 #endif /* SUSPEND */ 75 { 'a', doapply }, 76 /* 'A' : UNUSED */ 77 /* 'b', 'B' : go sw */ 78 { 'c', ddocall }, 79 { 'C', do_mname }, 80 { 'd', dodrop }, 81 { 'D', doddrop }, 82 { 'e', doeat }, 83 { 'E', doengrave }, 84 /* 'f', 'F' : multiple go (might become 'fight') */ 85 /* 'g', 'G' : UNUSED */ 86 /* 'h', 'H' : go west */ 87 { 'I', dotypeinv }, /* Robert Viduya */ 88 { 'i', ddoinv }, 89 /* 'j', 'J', 'k', 'K', 'l', 'L', 'm', 'M', 'n', 'N' : move commands */ 90 /* 'o', doopen, */ 91 { 'O', doset }, 92 { 'p', dopay }, 93 { 'P', dowearring }, 94 { 'q', dodrink }, 95 { 'Q', done2 }, 96 { 'r', doread }, 97 { 'R', doremring }, 98 { 's', dosearch }, 99 { 'S', dosave }, 100 { 't', dothrow }, 101 { 'T', doremarm }, 102 /* 'u', 'U' : go ne */ 103 { 'v', doversion }, 104 /* 'V' : UNUSED */ 105 { 'w', dowield }, 106 { 'W', doweararm }, 107 /* 'x', 'X' : UNUSED */ 108 /* 'y', 'Y' : go nw */ 109 { 'z', dozap }, 110 /* 'Z' : UNUSED */ 111 { '<', doup }, 112 { '>', dodown }, 113 { '/', dowhatis }, 114 { '?', dohelp }, 115 #ifdef SHELL 116 { '!', dosh }, 117 #endif /* SHELL */ 118 { '.', donull }, 119 { ' ', donull }, 120 { ',', dopickup }, 121 { ':', dolook }, 122 { '^', doidtrap }, 123 { '\\', dodiscovered }, /* Robert Viduya */ 124 { WEAPON_SYM, doprwep }, 125 { ARMOR_SYM, doprarm }, 126 { RING_SYM, doprring }, 127 { '$', doprgold }, 128 { '#', doextcmd }, 129 { '\0', NULL } 130 }; 131 132 struct ext_func_tab extcmdlist[] = { 133 { "dip", dodip }, 134 { "pray", dopray }, 135 { NULL, donull} 136 }; 137 138 extern char quitchars[]; 139 140 static char unctrl(char); 141 142 void 143 rhack(char *cmd) 144 { 145 struct func_tab *tlist = cmdlist; 146 boolean firsttime = FALSE; 147 int res; 148 149 if(!cmd) { 150 firsttime = TRUE; 151 flags.nopick = 0; 152 cmd = parse(); 153 } 154 if(!*cmd || (*cmd & 0377) == 0377 || 155 (flags.no_rest_on_space && *cmd == ' ')){ 156 hackbell(); 157 flags.move = 0; 158 return; /* probably we just had an interrupt */ 159 } 160 if(movecmd(*cmd)) { 161 walk: 162 if(multi) flags.mv = 1; 163 domove(); 164 return; 165 } 166 if(movecmd(tolower(*cmd))) { 167 flags.run = 1; 168 rush: 169 if(firsttime){ 170 if(!multi) multi = COLNO; 171 u.last_str_turn = 0; 172 } 173 flags.mv = 1; 174 #ifdef QUEST 175 if(flags.run >= 4) finddir(); 176 if(firsttime){ 177 u.ux0 = u.ux + u.dx; 178 u.uy0 = u.uy + u.dy; 179 } 180 #endif /* QUEST */ 181 domove(); 182 return; 183 } 184 if((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) { 185 flags.run = 2; 186 goto rush; 187 } 188 if(*cmd == 'F' && movecmd(tolower(cmd[1]))) { 189 flags.run = 3; 190 goto rush; 191 } 192 if(*cmd == 'm' && movecmd(cmd[1])) { 193 flags.run = 0; 194 flags.nopick = 1; 195 goto walk; 196 } 197 if(*cmd == 'M' && movecmd(tolower(cmd[1]))) { 198 flags.run = 1; 199 flags.nopick = 1; 200 goto rush; 201 } 202 #ifdef QUEST 203 if(*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) { 204 flags.run = 4; 205 if(*cmd == 'F') flags.run += 2; 206 if(cmd[2] == '-') flags.run += 1; 207 goto rush; 208 } 209 #endif /* QUEST */ 210 while(tlist->f_char) { 211 if(*cmd == tlist->f_char){ 212 res = (*(tlist->f_funct))(); 213 if(!res) { 214 flags.move = 0; 215 multi = 0; 216 } 217 return; 218 } 219 tlist++; 220 } 221 { char expcmd[10]; 222 char *cp = expcmd; 223 while(*cmd && cp-expcmd < sizeof(expcmd)-2) { 224 if(*cmd >= 040 && *cmd < 0177) 225 *cp++ = *cmd++; 226 else { 227 *cp++ = '^'; 228 *cp++ = *cmd++ ^ 0100; 229 } 230 } 231 *cp++ = 0; 232 pline("Unknown command '%s'.", expcmd); 233 } 234 multi = flags.move = 0; 235 } 236 237 int 238 doextcmd() /* here after # - now read a full-word command */ 239 { 240 char buf[BUFSZ]; 241 struct ext_func_tab *efp = extcmdlist; 242 243 pline("# "); 244 getlin(buf); 245 clrlin(); 246 if(buf[0] == '\033') 247 return(0); 248 while(efp->ef_txt) { 249 if(!strcmp(efp->ef_txt, buf)) 250 return((*(efp->ef_funct))()); 251 efp++; 252 } 253 pline("%s: unknown command.", buf); 254 return(0); 255 } 256 257 static char 258 unctrl(char sym) 259 { 260 return( (sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym ); 261 } 262 263 /* 'rogue'-like direction commands */ 264 char sdir[] = "hykulnjb><"; 265 schar xdir[10] = { -1,-1, 0, 1, 1, 1, 0,-1, 0, 0 }; 266 schar ydir[10] = { 0,-1,-1,-1, 0, 1, 1, 1, 0, 0 }; 267 schar zdir[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 1,-1 }; 268 269 int 270 movecmd(char sym) /* also sets u.dz, but returns false for <> */ 271 { 272 char *dp; 273 274 u.dz = 0; 275 if(!(dp = strchr(sdir, sym))) return(0); 276 u.dx = xdir[dp-sdir]; 277 u.dy = ydir[dp-sdir]; 278 u.dz = zdir[dp-sdir]; 279 return(!u.dz); 280 } 281 282 int 283 getdir(boolean s) 284 { 285 char dirsym; 286 287 if(s) pline("In what direction?"); 288 dirsym = readchar(); 289 if(!movecmd(dirsym) && !u.dz) { 290 if(!strchr(quitchars, dirsym)) 291 pline("What a strange direction!"); 292 return(0); 293 } 294 if(Confusion && !u.dz) 295 confdir(); 296 return(1); 297 } 298 299 void 300 confdir() 301 { 302 int x = rn2(8); 303 u.dx = xdir[x]; 304 u.dy = ydir[x]; 305 } 306 307 #ifdef QUEST 308 void 309 finddir() 310 { 311 int i, ui = u.di; 312 313 for(i = 0; i <= 8; i++){ 314 if(flags.run & 1) ui++; else ui += 7; 315 ui %= 8; 316 if(i == 8){ 317 pline("Not near a wall."); 318 flags.move = multi = 0; 319 return; 320 } 321 if(!isroom(u.ux+xdir[ui], u.uy+ydir[ui])) 322 break; 323 } 324 for(i = 0; i <= 8; i++){ 325 if(flags.run & 1) ui += 7; else ui++; 326 ui %= 8; 327 if(i == 8){ 328 pline("Not near a room."); 329 flags.move = multi = 0; 330 return; 331 } 332 if(isroom(u.ux+xdir[ui], u.uy+ydir[ui])) 333 break; 334 } 335 u.di = ui; 336 u.dx = xdir[ui]; 337 u.dy = ydir[ui]; 338 } 339 340 int 341 isroom(int x, int y) 342 { /* what about POOL? */ 343 return(isok(x,y) && (levl[x][y].typ == ROOM || 344 (levl[x][y].typ >= LDOOR && flags.run >= 6))); 345 } 346 #endif /* QUEST */ 347 348 int 349 isok(int x, int y) 350 { 351 /* x corresponds to curx, so x==1 is the first column. Ach. %% */ 352 return(x >= 1 && x <= COLNO-1 && y >= 0 && y <= ROWNO-1); 353 } 354