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