1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
3 | |
3 | * |
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4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | |
7 | * |
7 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. |
11 | * (at your option) any later version. |
11 | |
12 | * |
12 | This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
16 | |
17 | * |
17 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | |
21 | * |
21 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | /* |
25 | /* |
25 | * General convenience functions for crossfire. |
26 | * General convenience functions for crossfire. |
26 | */ |
27 | */ |
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28 | |
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29 | #include <cstdlib> |
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30 | #include <sys/types.h> |
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31 | #include <unistd.h> |
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32 | #include <sys/time.h> |
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33 | #include <time.h> |
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34 | #include <signal.h> |
27 | |
35 | |
28 | #include <global.h> |
36 | #include <global.h> |
29 | #include <funcpoint.h> |
37 | #include <funcpoint.h> |
30 | #include <material.h> |
38 | #include <material.h> |
31 | |
39 | |
… | |
… | |
193 | return (min); |
201 | return (min); |
194 | |
202 | |
195 | return (RANDOM () % diff + min); |
203 | return (RANDOM () % diff + min); |
196 | } |
204 | } |
197 | |
205 | |
198 | /* decay and destroy persihable items in a map */ |
206 | /* decay and destroy perishable items in a map */ |
199 | |
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200 | void |
207 | void |
201 | decay_objects (maptile *m) |
208 | maptile::decay_objects () |
202 | { |
209 | { |
203 | int x, y, destroy; |
210 | if (!spaces) |
204 | object *op, *otmp; |
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205 | |
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206 | if (m->unique) |
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207 | return; |
211 | return; |
208 | |
212 | |
209 | for (x = 0; x < MAP_WIDTH (m); x++) |
213 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
210 | for (y = 0; y < MAP_HEIGHT (m); y++) |
214 | for (object *above, *op = ms->bot; op; op = above) |
211 | for (op = get_map_ob (m, x, y); op; op = otmp) |
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212 | { |
215 | { |
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216 | above = op->above; |
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217 | |
213 | destroy = 0; |
218 | bool destroy = 0; |
214 | otmp = op->above; |
219 | |
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220 | // do not decay anything above unique floor tiles (yet :) |
215 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
221 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
216 | break; |
222 | break; |
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223 | |
217 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) || |
224 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
218 | QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) || |
225 | || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
219 | QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) || |
226 | || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
220 | QUERY_FLAG (op, FLAG_UNIQUE) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) || QUERY_FLAG (op, FLAG_UNPAID) || IS_LIVE (op)) |
227 | || QUERY_FLAG (op, FLAG_UNIQUE) |
221 | continue; |
228 | || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
222 | /* otherwise, we decay and destroy */ |
229 | || QUERY_FLAG (op, FLAG_UNPAID) |
223 | if (IS_WEAPON (op)) |
230 | || op->is_alive ()) |
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231 | ; // do not decay |
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232 | else if (op->is_weapon ()) |
224 | { |
233 | { |
225 | op->stats.dam--; |
234 | op->stats.dam--; |
226 | if (op->stats.dam < 0) |
235 | if (op->stats.dam < 0) |
227 | destroy = 1; |
236 | destroy = 1; |
228 | } |
237 | } |
229 | else if (IS_ARMOR (op)) |
238 | else if (op->is_armor ()) |
230 | { |
239 | { |
231 | op->stats.ac--; |
240 | op->stats.ac--; |
232 | if (op->stats.ac < 0) |
241 | if (op->stats.ac < 0) |
233 | destroy = 1; |
242 | destroy = 1; |
234 | } |
243 | } |
235 | else if (op->type == FOOD) |
244 | else if (op->type == FOOD) |
236 | { |
245 | { |
237 | op->stats.food -= rndm (5, 20); |
246 | op->stats.food -= rndm (5, 20); |
238 | if (op->stats.food < 0) |
247 | if (op->stats.food < 0) |
239 | destroy = 1; |
248 | destroy = 1; |
240 | } |
249 | } |
241 | else |
250 | else |
242 | { |
251 | { |
243 | if (op->material & M_PAPER || op->material & M_LEATHER || |
252 | int mat = op->material; |
244 | op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID) |
253 | |
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254 | if (mat & M_PAPER |
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255 | || mat & M_LEATHER |
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256 | || mat & M_WOOD |
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257 | || mat & M_ORGANIC |
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258 | || mat & M_CLOTH |
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259 | || mat & M_LIQUID |
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260 | || (mat & M_IRON && rndm (1, 5) == 1) |
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261 | || (mat & M_GLASS && rndm (1, 2) == 1) |
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262 | || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) |
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263 | || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) |
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264 | || (mat & M_ICE && temp > 32)) |
245 | destroy = 1; |
265 | destroy = 1; |
246 | if (op->material & M_IRON && rndm (1, 5) == 1) |
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247 | destroy = 1; |
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248 | if (op->material & M_GLASS && rndm (1, 2) == 1) |
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249 | destroy = 1; |
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250 | if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1) |
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251 | destroy = 1; |
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252 | if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1) |
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253 | destroy = 1; |
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254 | if (op->material & M_ICE && MAP_TEMP (m) > 32) |
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255 | destroy = 1; |
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256 | } |
266 | } |
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267 | |
257 | /* adjust overall chance below */ |
268 | /* adjust overall chance below */ |
258 | if (destroy && rndm (0, 1)) |
269 | if (destroy && rndm (0, 1)) |
259 | { |
270 | op->destroy (); |
260 | remove_ob (op); |
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261 | free_object (op); |
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262 | } |
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263 | } |
271 | } |
264 | } |
272 | } |
265 | |
273 | |
266 | /* convert materialname to materialtype_t */ |
274 | /* convert materialname to materialtype_t */ |
267 | |
275 | |
268 | materialtype_t * |
276 | materialtype_t * |
… | |
… | |
296 | return; |
304 | return; |
297 | |
305 | |
298 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
306 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
299 | return; |
307 | return; |
300 | |
308 | |
301 | if (!IS_ARMOR (op)) |
309 | if (!op->is_armor ()) |
302 | return; |
310 | return; |
303 | |
311 | |
304 | mt = name_to_material (op->materialname); |
312 | mt = name_to_material (op->materialname); |
305 | if (!mt) |
313 | if (!mt) |
306 | { |
314 | { |
… | |
… | |
352 | { |
360 | { |
353 | if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
361 | if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
354 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
362 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
355 | { |
363 | { |
356 | lmt = mt; |
364 | lmt = mt; |
357 | if (!(IS_WEAPON (op) || IS_ARMOR (op))) |
365 | if (!(op->is_weapon () || op->is_armor ())) |
358 | break; |
366 | break; |
359 | } |
367 | } |
360 | } |
368 | } |
361 | #endif |
369 | #endif |
362 | } |
370 | } |
… | |
… | |
370 | #ifndef NEW_MATERIAL_CODE |
378 | #ifndef NEW_MATERIAL_CODE |
371 | op->materialname = lmt->name; |
379 | op->materialname = lmt->name; |
372 | return; |
380 | return; |
373 | #else |
381 | #else |
374 | |
382 | |
375 | if (op->stats.dam && IS_WEAPON (op)) |
383 | if (op->stats.dam && op->is_weapon ()) |
376 | { |
384 | { |
377 | op->stats.dam += lmt->damage; |
385 | op->stats.dam += lmt->damage; |
378 | if (op->stats.dam < 1) |
386 | if (op->stats.dam < 1) |
379 | op->stats.dam = 1; |
387 | op->stats.dam = 1; |
380 | } |
388 | } |
381 | if (op->stats.sp && op->type == BOW) |
389 | if (op->stats.sp && op->type == BOW) |
382 | op->stats.sp += lmt->sp; |
390 | op->stats.sp += lmt->sp; |
383 | if (op->stats.wc && IS_WEAPON (op)) |
391 | if (op->stats.wc && op->is_weapon ()) |
384 | op->stats.wc += lmt->wc; |
392 | op->stats.wc += lmt->wc; |
385 | if (IS_ARMOR (op)) |
393 | if (op->is_armor ()) |
386 | { |
394 | { |
387 | if (op->stats.ac) |
395 | if (op->stats.ac) |
388 | op->stats.ac += lmt->ac; |
396 | op->stats.ac += lmt->ac; |
389 | for (j = 0; j < NROFATTACKS; j++) |
397 | for (j = 0; j < NROFATTACKS; j++) |
390 | if (op->resist[j] != 0) |
398 | if (op->resist[j] != 0) |
… | |
… | |
396 | op->resist[j] = -100; |
404 | op->resist[j] = -100; |
397 | } |
405 | } |
398 | } |
406 | } |
399 | op->materialname = add_string (lmt->name); |
407 | op->materialname = add_string (lmt->name); |
400 | /* dont make it unstackable if it doesn't need to be */ |
408 | /* dont make it unstackable if it doesn't need to be */ |
401 | if (IS_WEAPON (op) || IS_ARMOR (op)) |
409 | if (op->is_weapon () || op->is_armor ()) |
402 | { |
410 | { |
403 | op->weight = (op->weight * lmt->weight) / 100; |
411 | op->weight = (op->weight * lmt->weight) / 100; |
404 | op->value = (op->value * lmt->value) / 100; |
412 | op->value = (op->value * lmt->value) / 100; |
405 | } |
413 | } |
406 | #endif |
414 | #endif |
… | |
… | |
541 | return; |
549 | return; |
542 | } |
550 | } |
543 | |
551 | |
544 | ///////////////////////////////////////////////////////////////////////////// |
552 | ///////////////////////////////////////////////////////////////////////////// |
545 | |
553 | |
546 | #if 0 |
554 | void |
547 | refcounted *refcounted::rc_first; |
555 | fork_abort (const char *msg) |
548 | |
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549 | refcounted::refcounted () |
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550 | { |
556 | { |
551 | refcnt = 0; |
557 | if (!fork ()) |
552 | rc_next = rc_first; |
558 | { |
553 | rc_first = this; |
559 | signal (SIGABRT, SIG_DFL); |
554 | } |
560 | abort (); |
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561 | } |
555 | |
562 | |
556 | refcounted::~refcounted () |
563 | LOG (llevError, "fork abort: %s\n", msg); |
557 | { |
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558 | assert (!rc_next); |
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559 | assert (!refcnt); |
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560 | } |
564 | } |
561 | #endif |
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562 | |
565 | |
563 | void *alloc (int s) throw (std::bad_alloc) |
566 | void *salloc_ (int n) throw (std::bad_alloc) |
564 | { |
567 | { |
565 | void *p = g_slice_alloc (s); |
568 | void *ptr = g_slice_alloc (n); |
566 | |
569 | |
567 | if (!p) |
570 | if (!ptr) |
568 | throw std::bad_alloc (); |
571 | throw std::bad_alloc (); |
569 | |
572 | |
570 | return p; |
573 | return ptr; |
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574 | } |
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575 | |
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576 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
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577 | { |
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578 | void *ptr = salloc_ (n); |
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579 | |
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580 | if (src) |
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581 | memcpy (ptr, src, n); |
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582 | else |
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583 | memset (ptr, 0, n); |
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584 | |
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585 | return ptr; |
571 | } |
586 | } |
572 | |
587 | |
573 | void assign (char *dst, const char *src, int maxlen) |
588 | void assign (char *dst, const char *src, int maxlen) |
574 | { |
589 | { |
575 | if (!src) |
590 | if (!src) |
… | |
… | |
592 | } |
607 | } |
593 | else |
608 | else |
594 | memcpy (dst, src, len + 1); |
609 | memcpy (dst, src, len + 1); |
595 | } |
610 | } |
596 | |
611 | |
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612 | tstamp now () |
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613 | { |
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614 | struct timeval tv; |
597 | |
615 | |
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616 | gettimeofday (&tv, 0); |
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617 | return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
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618 | } |
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619 | |
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620 | int |
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621 | similar_direction (int a, int b) |
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622 | { |
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623 | if (!a || !b) |
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624 | return 0; |
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625 | |
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626 | int diff = (b - a) & 7; |
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627 | return diff <= 1 || diff >= 7; |
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628 | } |
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629 | |