1 /* $NetBSD: hack.cmd.c,v 1.11 2010/02/03 15:34:38 roy 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 <sys/cdefs.h> 65 #ifndef lint 66 __RCSID("$NetBSD: hack.cmd.c,v 1.11 2010/02/03 15:34:38 roy Exp $"); 67 #endif /* not lint */ 68 69 #include "hack.h" 70 #include "extern.h" 71 #include "def.func_tab.h" 72 73 static int doextcmd(void); 74 75 static const struct func_tab cmdlist[] = { 76 { '\020', doredotopl }, 77 { '\022', doredraw }, 78 { '\024', dotele }, 79 #ifdef SUSPEND 80 { '\032', dosuspend }, 81 #endif /* SUSPEND */ 82 { 'a', doapply }, 83 /* 'A' : UNUSED */ 84 /* 'b', 'B' : go sw */ 85 { 'c', ddocall }, 86 { 'C', do_mname }, 87 { 'd', dodrop }, 88 { 'D', doddrop }, 89 { 'e', doeat }, 90 { 'E', doengrave }, 91 /* 'f', 'F' : multiple go (might become 'fight') */ 92 /* 'g', 'G' : UNUSED */ 93 /* 'h', 'H' : go west */ 94 { 'I', dotypeinv }, /* Robert Viduya */ 95 { 'i', ddoinv }, 96 /* 'j', 'J', 'k', 'K', 'l', 'L', 'm', 'M', 'n', 'N' : move commands */ 97 /* 'o', doopen, */ 98 { 'O', doset }, 99 { 'p', dopay }, 100 { 'P', dowearring }, 101 { 'q', dodrink }, 102 { 'Q', dodone }, 103 { 'r', doread }, 104 { 'R', doremring }, 105 { 's', dosearch }, 106 { 'S', dosave }, 107 { 't', dothrow }, 108 { 'T', doremarm }, 109 /* 'u', 'U' : go ne */ 110 { 'v', doversion }, 111 /* 'V' : UNUSED */ 112 { 'w', dowield }, 113 { 'W', doweararm }, 114 /* 'x', 'X' : UNUSED */ 115 /* 'y', 'Y' : go nw */ 116 { 'z', dozap }, 117 /* 'Z' : UNUSED */ 118 { '<', doup }, 119 { '>', dodown }, 120 { '/', dowhatis }, 121 { '?', dohelp }, 122 #ifdef SHELL 123 { '!', dosh }, 124 #endif /* SHELL */ 125 { '.', donull }, 126 { ' ', donull }, 127 { ',', dopickup }, 128 { ':', dolook }, 129 { '^', doidtrap }, 130 { '\\', dodiscovered }, /* Robert Viduya */ 131 { WEAPON_SYM, doprwep }, 132 { ARMOR_SYM, doprarm }, 133 { RING_SYM, doprring }, 134 { '$', doprgold }, 135 { '#', doextcmd }, 136 { 0, 0 } 137 }; 138 139 static const struct ext_func_tab extcmdlist[] = { 140 { "dip", dodip }, 141 { "pray", dopray }, 142 { (char *) 0, donull } 143 }; 144 145 static char lowc(int); 146 static char unctrl(int); 147 148 void 149 rhack(const char *cmd) 150 { 151 const struct func_tab *tlist = cmdlist; 152 boolean firsttime = FALSE; 153 int res; 154 155 if (!cmd) { 156 firsttime = TRUE; 157 flags.nopick = 0; 158 cmd = parse(); 159 } 160 if (!*cmd || (*cmd & 0377) == 0377 || 161 (flags.no_rest_on_space && *cmd == ' ')) { 162 sound_bell(); 163 flags.move = 0; 164 return; /* probably we just had an interrupt */ 165 } 166 if (movecmd(*cmd)) { 167 walk: 168 if (multi) 169 flags.mv = 1; 170 domove(); 171 return; 172 } 173 if (movecmd(lowc(*cmd))) { 174 flags.run = 1; 175 rush: 176 if (firsttime) { 177 if (!multi) 178 multi = COLNO; 179 u.last_str_turn = 0; 180 } 181 flags.mv = 1; 182 #ifdef QUEST 183 if (flags.run >= 4) 184 finddir(); 185 if (firsttime) { 186 u.ux0 = u.ux + u.dx; 187 u.uy0 = u.uy + u.dy; 188 } 189 #endif /* QUEST */ 190 domove(); 191 return; 192 } 193 if ((*cmd == 'f' && movecmd(cmd[1])) || movecmd(unctrl(*cmd))) { 194 flags.run = 2; 195 goto rush; 196 } 197 if (*cmd == 'F' && movecmd(lowc(cmd[1]))) { 198 flags.run = 3; 199 goto rush; 200 } 201 if (*cmd == 'm' && movecmd(cmd[1])) { 202 flags.run = 0; 203 flags.nopick = 1; 204 goto walk; 205 } 206 if (*cmd == 'M' && movecmd(lowc(cmd[1]))) { 207 flags.run = 1; 208 flags.nopick = 1; 209 goto rush; 210 } 211 #ifdef QUEST 212 if (*cmd == cmd[1] && (*cmd == 'f' || *cmd == 'F')) { 213 flags.run = 4; 214 if (*cmd == 'F') 215 flags.run += 2; 216 if (cmd[2] == '-') 217 flags.run += 1; 218 goto rush; 219 } 220 #endif /* QUEST */ 221 while (tlist->f_char) { 222 if (*cmd == tlist->f_char) { 223 res = (*(tlist->f_funct)) (); 224 if (!res) { 225 flags.move = 0; 226 multi = 0; 227 } 228 return; 229 } 230 tlist++; 231 } 232 { 233 char expcmd[10]; 234 char *cp = expcmd; 235 while (*cmd && cp - expcmd < (int)sizeof(expcmd) - 2) { 236 if (*cmd >= 040 && *cmd < 0177) 237 *cp++ = *cmd++; 238 else { 239 *cp++ = '^'; 240 *cp++ = *cmd++ ^ 0100; 241 } 242 } 243 *cp++ = 0; 244 pline("Unknown command '%s'.", expcmd); 245 } 246 multi = flags.move = 0; 247 } 248 249 static int 250 doextcmd(void) 251 { /* here after # - now read a full-word 252 * command */ 253 char buf[BUFSZ]; 254 const struct ext_func_tab *efp = extcmdlist; 255 256 pline("# "); 257 getlin(buf); 258 clrlin(); 259 if (buf[0] == '\033') 260 return (0); 261 while (efp->ef_txt) { 262 if (!strcmp(efp->ef_txt, buf)) 263 return ((*(efp->ef_funct)) ()); 264 efp++; 265 } 266 pline("%s: unknown command.", buf); 267 return (0); 268 } 269 270 static char 271 lowc(int sym) 272 { 273 return ((sym >= 'A' && sym <= 'Z') ? sym + 'a' - 'A' : sym); 274 } 275 276 static char 277 unctrl(int sym) 278 { 279 return ((sym >= ('A' & 037) && sym <= ('Z' & 037)) ? sym + 0140 : sym); 280 } 281 282 /* 'rogue'-like direction commands */ 283 char sdir[] = "hykulnjb><"; 284 schar xdir[10] = {-1, -1, 0, 1, 1, 1, 0, -1, 0, 0}; 285 schar ydir[10] = {0, -1, -1, -1, 0, 1, 1, 1, 0, 0}; 286 static schar zdir[10] = {0, 0, 0, 0, 0, 0, 0, 0, 1, -1}; 287 288 int 289 movecmd(int sym) /* also sets u.dz, but returns false for <> */ 290 { 291 char *dp; 292 293 u.dz = 0; 294 if (!(dp = strchr(sdir, sym))) 295 return (0); 296 u.dx = xdir[dp - sdir]; 297 u.dy = ydir[dp - sdir]; 298 u.dz = zdir[dp - sdir]; 299 return (!u.dz); 300 } 301 302 int 303 getdir(boolean s) 304 { 305 char dirsym; 306 307 if (s) 308 pline("In what direction?"); 309 dirsym = readchar(); 310 if (!movecmd(dirsym) && !u.dz) { 311 if (!strchr(quitchars, dirsym)) 312 pline("What a strange direction!"); 313 return (0); 314 } 315 if (Confusion && !u.dz) 316 confdir(); 317 return (1); 318 } 319 320 void 321 confdir(void) 322 { 323 int x = rn2(8); 324 u.dx = xdir[x]; 325 u.dy = ydir[x]; 326 } 327 328 #ifdef QUEST 329 int 330 finddir(void) 331 { 332 int i, ui = u.di; 333 for (i = 0; i <= 8; i++) { 334 if (flags.run & 1) 335 ui++; 336 else 337 ui += 7; 338 ui %= 8; 339 if (i == 8) { 340 pline("Not near a wall."); 341 flags.move = multi = 0; 342 return (0); 343 } 344 if (!isroom(u.ux + xdir[ui], u.uy + ydir[ui])) 345 break; 346 } 347 for (i = 0; i <= 8; i++) { 348 if (flags.run & 1) 349 ui += 7; 350 else 351 ui++; 352 ui %= 8; 353 if (i == 8) { 354 pline("Not near a room."); 355 flags.move = multi = 0; 356 return (0); 357 } 358 if (isroom(u.ux + xdir[ui], u.uy + ydir[ui])) 359 break; 360 } 361 u.di = ui; 362 u.dx = xdir[ui]; 363 u.dy = ydir[ui]; 364 return 0; 365 } 366 367 int 368 isroom(int x, int y) 369 { /* what about POOL? */ 370 return (isok(x, y) && (levl[x][y].typ == ROOM || 371 (levl[x][y].typ >= LDOOR && flags.run >= 6))); 372 } 373 #endif /* QUEST */ 374 375 int 376 isok(int x, int y) 377 { 378 /* x corresponds to curx, so x==1 is the first column. Ach. %% */ 379 return (x >= 1 && x <= COLNO - 1 && y >= 0 && y <= ROWNO - 1); 380 } 381