1 /* $NetBSD: hack.cmd.c,v 1.12 2011/08/06 20:42:43 dholland 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 1.12 2011/08/06 20:42:43 dholland 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 { NULL, donull }
143 };
144
145 static char lowc(int);
146 static char unctrl(int);
147
148 void
rhack(const char * cmd)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
doextcmd(void)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
lowc(int sym)271 lowc(int sym)
272 {
273 return ((sym >= 'A' && sym <= 'Z') ? sym + 'a' - 'A' : sym);
274 }
275
276 static char
unctrl(int sym)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
movecmd(int sym)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
getdir(boolean s)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
confdir(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
finddir(void)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
isroom(int x,int y)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
isok(int x,int y)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