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Comparing deliantra/server/common/map.C (file contents):
Revision 1.79 by root, Sat Jan 20 22:09:51 2007 UTC vs.
Revision 1.203 by root, Sat Apr 23 04:56:46 2011 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001-2003 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24 24
25#include <global.h>
26#include <funcpoint.h>
27
28#include <loader.h>
29#include <unistd.h> 25#include <unistd.h>
30 26
27#include "global.h"
31#include "path.h" 28#include "path.h"
32 29
33/* 30//+GPL
34 * This makes a path absolute outside the world of Crossfire.
35 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
36 * and returns the pointer to a static array containing the result.
37 * it really should be called create_mapname
38 */
39const char *
40create_pathname (const char *name)
41{
42 static char buf[8192];
43 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
44 return buf;
45}
46 31
47/* 32sint8 maptile::outdoor_darkness;
48 * This function checks if a file with the given path exists.
49 * -1 is returned if it fails, otherwise the mode of the file
50 * is returned.
51 * It tries out all the compression suffixes listed in the uncomp[] array.
52 *
53 * If prepend_dir is set, then we call create_pathname (which prepends
54 * libdir & mapdir). Otherwise, we assume the name given is fully
55 * complete.
56 * Only the editor actually cares about the writablity of this -
57 * the rest of the code only cares that the file is readable.
58 * when the editor goes away, the call to stat should probably be
59 * replaced by an access instead (similar to the windows one, but
60 * that seems to be missing the prepend_dir processing
61 */
62int
63check_path (const char *name, int prepend_dir)
64{
65 char buf[MAX_BUF];
66
67 char *endbuf;
68 struct stat statbuf;
69 int mode = 0;
70
71 if (prepend_dir)
72 strcpy (buf, create_pathname (name));
73 else
74 strcpy (buf, name);
75
76 /* old method (strchr(buf, '\0')) seemd very odd to me -
77 * this method should be equivalant and is clearer.
78 * Can not use strcat because we need to cycle through
79 * all the names.
80 */
81 endbuf = buf + strlen (buf);
82
83 if (stat (buf, &statbuf))
84 return -1;
85 if (!S_ISREG (statbuf.st_mode))
86 return (-1);
87
88 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
89 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
90 mode |= 4;
91
92 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
93 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
94 mode |= 2;
95
96 return (mode);
97}
98 33
99/* This rolls up wall, blocks_magic, blocks_view, etc, all into 34/* This rolls up wall, blocks_magic, blocks_view, etc, all into
100 * one function that just returns a P_.. value (see map.h) 35 * one function that just returns a P_.. value (see map.h)
101 * it will also do map translation for tiled maps, returning 36 * it will also do map translation for tiled maps, returning
102 * new values into newmap, nx, and ny. Any and all of those 37 * new values into newmap, nx, and ny. Any and all of those
137 * by the caller. 72 * by the caller.
138 */ 73 */
139int 74int
140blocked_link (object *ob, maptile *m, int sx, int sy) 75blocked_link (object *ob, maptile *m, int sx, int sy)
141{ 76{
142 object *tmp;
143 int mflags, blocked;
144
145 /* Make sure the coordinates are valid - they should be, as caller should 77 /* Make sure the coordinates are valid - they should be, as caller should
146 * have already checked this. 78 * have already checked this.
147 */ 79 */
148 if (OUT_OF_REAL_MAP (m, sx, sy)) 80 if (OUT_OF_REAL_MAP (m, sx, sy))
149 { 81 {
150 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n"); 82 LOG (llevError | logBacktrace, "blocked_link: Passed map, x, y coordinates outside of map\n");
151 return 1; 83 return 1;
152 } 84 }
153 85
154 /* Save some cycles - instead of calling get_map_flags(), just get the value 86 mapspace &ms = m->at (sx, sy);
155 * directly.
156 */
157 mflags = m->at (sx, sy).flags ();
158 87
159 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy); 88 int mflags = ms.flags ();
89 int blocked = ms.move_block;
160 90
161 /* If space is currently not blocked by anything, no need to 91 /* If space is currently not blocked by anything, no need to
162 * go further. Not true for players - all sorts of special 92 * go further. Not true for players - all sorts of special
163 * things we need to do for players. 93 * things we need to do for players.
164 */ 94 */
165 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0)) 95 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && blocked == 0)
166 return 0; 96 return 0;
167 97
168 /* if there isn't anytyhing alive on this space, and this space isn't 98 /* if there isn't anything alive on this space, and this space isn't
169 * otherwise blocked, we can return now. Only if there is a living 99 * otherwise blocked, we can return now. Only if there is a living
170 * creature do we need to investigate if it is part of this creature 100 * creature do we need to investigate if it is part of this creature
171 * or another. Likewise, only if something is blocking us do we 101 * or another. Likewise, only if something is blocking us do we
172 * need to investigate if there is a special circumstance that would 102 * need to investigate if there is a special circumstance that would
173 * let the player through (inventory checkers for example) 103 * let the player through (inventory checkers for example)
174 */ 104 */
175 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked)) 105 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
176 return 0; 106 return 0;
177 107
178 if (ob->head != NULL)
179 ob = ob->head; 108 ob = ob->head_ ();
180 109
181 /* We basically go through the stack of objects, and if there is 110 /* We basically go through the stack of objects, and if there is
182 * some other object that has NO_PASS or FLAG_ALIVE set, return 111 * some other object that has NO_PASS or FLAG_ALIVE set, return
183 * true. If we get through the entire stack, that must mean 112 * true. If we get through the entire stack, that must mean
184 * ob is blocking it, so return 0. 113 * ob is blocking it, so return 0.
185 */ 114 */
186 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above) 115 for (object *tmp = ms.top; tmp; tmp = tmp->below)
187 { 116 {
188 117 if (OB_MOVE_BLOCK (ob, tmp))
189 /* This must be before the checks below. Code for inventory checkers. */
190 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
191 { 118 {
192 /* If last_sp is set, the player/monster needs an object, 119 if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
193 * so we check for it. If they don't have it, they can't 120 if (RESULT_INT (0))
194 * pass through this space. 121 return 1;
195 */ 122 else
196 if (tmp->last_sp) 123 continue;
124
125 if (tmp->type == CHECK_INV)
197 { 126 {
198 if (check_inv_recursive (ob, tmp) == NULL) 127 bool have = check_inv_recursive (ob, tmp);
128
129 // last_sp set means we block if we don't have.
130 if (logical_xor (have, tmp->last_sp))
199 return 1; 131 return 1;
200 else 132 }
201 continue; 133 else if (tmp->type == T_MATCH)
134 {
135 // T_MATCH allows "entrance" iff the match is true
136 // == blocks if the match fails
137
138 // we could have used an INVOKE_OBJECT, but decided against it, as we
139 // assume that T_MATCH is relatively common.
140 if (!match (tmp->slaying, ob, tmp, ob))
141 return 1;
202 } 142 }
203 else 143 else
204 { 144 return 1; // unconditional block
205 /* In this case, the player must not have the object - 145
206 * if they do, they can't pass through.
207 */
208 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
209 return 1;
210 else
211 continue;
212 }
213 } /* if check_inv */
214 else 146 } else {
215 { 147 // space does not block the ob, directly, but
216 /* Broke apart a big nasty if into several here to make 148 // anything alive that is not a door still
217 * this more readable. first check - if the space blocks 149 // blocks anything
218 * movement, can't move here. 150
219 * second - if a monster, can't move there, unles it is a 151 if (tmp->flag [FLAG_ALIVE]
220 * hidden dm 152 && tmp->type != DOOR
221 */ 153 && tmp->head_ () != ob) //TODO: maybe move these check up?
222 if (OB_MOVE_BLOCK (ob, tmp))
223 return 1;
224 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
225 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))
226 return 1; 154 return 1;
227 } 155 }
228
229 } 156 }
157
230 return 0; 158 return 0;
231} 159}
232 160
233/* 161/*
234 * Returns true if the given object can't fit in the given spot. 162 * Returns the blocking object if the given object can't fit in the given
235 * This is meant for multi space objects - for single space objecs, 163 * spot. This is meant for multi space objects - for single space objecs,
236 * just calling get_map_blocked and checking that against movement type 164 * just calling get_map_blocked and checking that against movement type
237 * of object. This function goes through all the parts of the 165 * of object. This function goes through all the parts of the multipart
238 * multipart object and makes sure they can be inserted. 166 * object and makes sure they can be inserted.
239 * 167 *
240 * While this doesn't call out of map, the get_map_flags does. 168 * While this doesn't call out of map, the get_map_flags does.
241 * 169 *
242 * This function has been used to deprecate arch_out_of_map - 170 * This function has been used to deprecate arch_out_of_map -
243 * this function also does that check, and since in most cases, 171 * this function also does that check, and since in most cases,
254 * 182 *
255 * Note this used to be arch_blocked, but with new movement 183 * Note this used to be arch_blocked, but with new movement
256 * code, we need to have actual object to check its move_type 184 * code, we need to have actual object to check its move_type
257 * against the move_block values. 185 * against the move_block values.
258 */ 186 */
259int 187bool
260ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y) 188object::blocked (maptile *m, int x, int y) const
261{ 189{
262 archetype *tmp; 190 for (archetype *tmp = arch; tmp; tmp = (archetype *)tmp->more)
263 int flag;
264 maptile *m1;
265 sint16 sx, sy;
266
267 if (!ob)
268 {
269 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
270 if (flag & P_OUT_OF_MAP)
271 return P_OUT_OF_MAP;
272
273 /* don't have object, so don't know what types would block */
274 return m1->at (sx, sy).move_block;
275 } 191 {
192 mapxy pos (m, x + tmp->x, y + tmp->y);
276 193
277 for (tmp = ob->arch; tmp; tmp = tmp->more) 194 if (!pos.normalise ())
278 { 195 return 1;
279 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
280 196
281 if (flag & P_OUT_OF_MAP) 197 mapspace &ms = *pos;
282 return P_OUT_OF_MAP; 198
283 if (flag & P_IS_ALIVE) 199 if (ms.flags () & P_IS_ALIVE)
284 return P_IS_ALIVE; 200 return 1;
285 201
286 mapspace &ms = m1->at (sx, sy); 202 /* However, often ob doesn't have any move type
287 203 * (signifying non-moving objects)
288 /* find_first_free_spot() calls this function. However, often
289 * ob doesn't have any move type (when used to place exits)
290 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 204 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
291 */ 205 */
292
293 if (ob->move_type == 0 && ms.move_block != MOVE_ALL) 206 if (!move_type && ms.move_block != MOVE_ALL)
294 continue; 207 continue;
295 208
296 /* Note it is intentional that we check ob - the movement type of the 209 /* Note it is intentional that we check ob - the movement type of the
297 * head of the object should correspond for the entire object. 210 * head of the object should correspond for the entire object.
298 */ 211 */
299 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block)) 212 if (ms.blocks (move_type))
300 return P_NO_PASS; 213 return 1;
301 } 214 }
302 215
303 return 0; 216 return 0;
304} 217}
305 218
306/* When the map is loaded, load_object does not actually insert objects 219//-GPL
307 * into inventory, but just links them. What this does is go through
308 * and insert them properly.
309 * The object 'container' is the object that contains the inventory.
310 * This is needed so that we can update the containers weight.
311 */
312void
313fix_container (object *container)
314{
315 object *tmp = container->inv, *next;
316
317 container->inv = 0;
318 while (tmp)
319 {
320 next = tmp->below;
321 if (tmp->inv)
322 fix_container (tmp);
323
324 insert_ob_in_ob (tmp, container);
325 tmp = next;
326 }
327
328 /* sum_weight will go through and calculate what all the containers are
329 * carrying.
330 */
331 sum_weight (container);
332}
333 220
334void 221void
335maptile::set_object_flag (int flag, int value) 222maptile::set_object_flag (int flag, int value)
336{ 223{
337 if (!spaces) 224 if (!spaces)
340 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 227 for (mapspace *ms = spaces + size (); ms-- > spaces; )
341 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 228 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
342 tmp->flag [flag] = value; 229 tmp->flag [flag] = value;
343} 230}
344 231
232void
233maptile::post_load_original ()
234{
235 if (!spaces)
236 return;
237
238 set_object_flag (FLAG_OBJ_ORIGINAL);
239
240 for (mapspace *ms = spaces + size (); ms-- > spaces; )
241 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
242 INVOKE_OBJECT (RESET, tmp);
243}
244
245void
246maptile::post_load ()
247{
248#if 0
249 if (!spaces)
250 return;
251
252 for (mapspace *ms = spaces + size (); ms-- > spaces; )
253 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
254 ; // nop
255#endif
256}
257
258//+GPL
259
345/* link_multipart_objects go through all the objects on the map looking 260/* link_multipart_objects go through all the objects on the map looking
346 * for objects whose arch says they are multipart yet according to the 261 * for objects whose arch says they are multipart yet according to the
347 * info we have, they only have the head (as would be expected when 262 * info we have, they only have the head (as would be expected when
348 * they are saved). We do have to look for the old maps that did save 263 * they are saved).
349 * the more sections and not re-add sections for them.
350 */ 264 */
351void 265void
352maptile::link_multipart_objects () 266maptile::link_multipart_objects ()
353{ 267{
354 if (!spaces) 268 if (!spaces)
355 return; 269 return;
356 270
357 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 271 for (mapspace *ms = spaces + size (); ms-- > spaces; )
358 for (object *tmp = ms->bot; tmp; ) 272 {
273 object *op = ms->bot;
274 while (op)
359 { 275 {
360 object *above = tmp->above;
361
362 /* already multipart - don't do anything more */ 276 /* already multipart - don't do anything more */
363 if (!tmp->head && !tmp->more) 277 if (op->head_ () == op && !op->more && op->arch->more)
364 {
365 /* If there is nothing more to this object, this for loop
366 * won't do anything.
367 */
368 archetype *at;
369 object *last, *op;
370 for (at = tmp->arch->more, last = tmp;
371 at;
372 at = at->more, last = op)
373 { 278 {
374 op = arch_to_object (at); 279 op->remove ();
280 op->expand_tail ();
375 281
376 /* update x,y coordinates */ 282 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
377 op->x += tmp->x; 283 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
378 op->y += tmp->y; 284 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
379 op->head = tmp;
380 op->map = this;
381 last->more = op;
382 op->name = tmp->name;
383 op->title = tmp->title;
384
385 /* we could link all the parts onto tmp, and then just
386 * call insert_ob_in_map once, but the effect is the same,
387 * as insert_ob_in_map will call itself with each part, and
388 * the coding is simpler to just to it here with each part.
389 */
390 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); 285 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
286
287 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
288 // so we have to reset the iteration through the mapspace
391 } 289 }
290 else
291 op = op->above;
392 } 292 }
393
394 tmp = above;
395 } 293 }
396} 294}
295
296//-GPL
397 297
398/* 298/*
399 * Loads (ands parses) the objects into a given map from the specified 299 * Loads (ands parses) the objects into a given map from the specified
400 * file pointer. 300 * file pointer.
401 * mapflags is the same as we get with load_original_map
402 */ 301 */
403bool 302bool
404maptile::_load_objects (object_thawer &thawer) 303maptile::_load_objects (object_thawer &f)
405{ 304{
406 int unique; 305 for (;;)
407 object *op, *prev = NULL, *last_more = NULL, *otmp;
408
409 op = object::create ();
410 op->map = this; /* To handle buttons correctly */
411
412 while (int i = load_object (thawer, op, 0))
413 { 306 {
414 /* if the archetype for the object is null, means that we 307 coroapi::cede_to_tick (); // cede once in a while
415 * got an invalid object. Don't do anything with it - the game 308
416 * or editor will not be able to do anything with it either. 309 switch (f.kw)
417 */
418 if (op->arch == NULL)
419 { 310 {
420 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); 311 case KW_arch:
312 if (object *op = object::read (f, this))
313 {
314 // TODO: why?
315 if (op->inv)
316 {
317 op->carrying = 0;
318 op->update_weight ();
319 }
320
321 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
322 {
323 // we insert manually because
324 // a) its way faster
325 // b) we remove manually, too, and there are good reasons for that
326 // c) it's correct
327 mapspace &ms = at (op->x, op->y);
328
329 op->flag [FLAG_REMOVED] = false;
330
331 op->above = 0;
332 op->below = ms.top;
333
334 *(ms.top ? &ms.top->above : &ms.bot) = op;
335
336 ms.top = op;
337 ms.flags_ = 0;
338 }
339 else
340 {
341 f.parse_warn (format ("object %s out of range", op->debug_desc ()));
342 op->destroy ();
343 }
344 }
345
421 continue; 346 continue;
422 }
423 347
424 switch (i)
425 {
426 case LL_NORMAL:
427 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
428
429 if (op->inv)
430 sum_weight (op);
431
432 prev = op, last_more = op;
433 break;
434
435 case LL_MORE: 348 case KW_EOF:
436 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 349 return true;
437 op->head = prev, last_more->more = op, last_more = op; 350
351 default:
352 if (!f.parse_error ("map file"))
353 return false;
438 break; 354 break;
439 } 355 }
440 356
441 op = object::create (); 357 f.next ();
442 op->map = this;
443 }
444
445 op->destroy ();
446
447#if 0
448 for (i = 0; i < width; i++)
449 for (j = 0; j < height; j++)
450 {
451 unique = 0;
452 /* check for unique items, or unique squares */
453 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
454 {
455 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
456 unique = 1;
457
458 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
459 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
460 }
461 } 358 }
462#endif
463 359
464 return true; 360 return true;
465} 361}
466 362
467void 363void
468maptile::activate () 364maptile::activate ()
469{ 365{
470 if (!spaces) 366 if (spaces)
471 return;
472
473 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 367 for (mapspace *ms = spaces + size (); ms-- > spaces; )
474 for (object *op = ms->bot; op; op = op->above) 368 for (object *op = ms->bot; op; op = op->above)
475 op->activate_recursive (); 369 op->activate_recursive ();
476} 370}
477 371
478void 372void
479maptile::deactivate () 373maptile::deactivate ()
480{ 374{
481 if (!spaces) 375 if (spaces)
482 return;
483
484 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 376 for (mapspace *ms = spaces + size (); ms-- > spaces; )
485 for (object *op = ms->bot; op; op = op->above) 377 for (object *op = ms->bot; op; op = op->above)
486 op->deactivate_recursive (); 378 op->deactivate_recursive ();
487} 379}
488 380
489bool 381bool
490maptile::_save_objects (object_freezer &freezer, int flags) 382maptile::_save_objects (object_freezer &f, int flags)
491{ 383{
492 static int cede_count = 0; 384 coroapi::cede_to_tick ();
493 385
494 if (flags & IO_HEADER) 386 if (flags & IO_HEADER)
495 _save_header (freezer); 387 _save_header (f);
496 388
497 if (!spaces) 389 if (!spaces)
498 return false; 390 return false;
499 391
500 for (int i = 0; i < size (); ++i) 392 for (int i = 0; i < size (); ++i)
501 { 393 {
502#if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D
503 if (cede_count >= 500)
504 {
505 cede_count = 0;
506 coroapi::cede ();
507 }
508#endif
509
510 int unique = 0; 394 bool unique = 0;
395
511 for (object *op = spaces [i].bot; op; op = op->above) 396 for (object *op = spaces [i].bot; op; op = op->above)
512 { 397 {
513 // count per-object, but cede only when modification-safe
514 cede_count++;
515
516 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) 398 unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
517 unique = 1;
518 399
519 if (!op->can_map_save ()) 400 if (expect_false (!op->can_map_save ()))
520 continue; 401 continue;
521 402
522 if (unique || op->flag [FLAG_UNIQUE]) 403 if (expect_false (unique || op->flag [FLAG_UNIQUE]))
523 { 404 {
524 if (flags & IO_UNIQUES) 405 if (flags & IO_UNIQUES)
525 save_object (freezer, op, 1); 406 op->write (f);
526 } 407 }
527 else if (flags & IO_OBJECTS) 408 else if (expect_true (flags & IO_OBJECTS))
528 save_object (freezer, op, 1); 409 op->write (f);
529 } 410 }
530 } 411 }
531 412
413 coroapi::cede_to_tick ();
414
532 return true; 415 return true;
533}
534
535bool
536maptile::_load_objects (const char *path, bool skip_header)
537{
538 object_thawer thawer (path);
539
540 if (!thawer)
541 return false;
542
543 if (skip_header)
544 for (;;)
545 {
546 keyword kw = thawer.get_kv ();
547
548 if (kw == KW_end)
549 break;
550
551 thawer.skip_kv (kw);
552 }
553
554 return _load_objects (thawer);
555} 416}
556 417
557bool 418bool
558maptile::_save_objects (const char *path, int flags) 419maptile::_save_objects (const char *path, int flags)
559{ 420{
563 return false; 424 return false;
564 425
565 return freezer.save (path); 426 return freezer.save (path);
566} 427}
567 428
568maptile::maptile () 429void
430maptile::init ()
569{ 431{
570 in_memory = MAP_SWAPPED; 432 in_memory = MAP_SWAPPED;
571 433
572 /* The maps used to pick up default x and y values from the 434 /* The maps used to pick up default x and y values from the
573 * map archetype. Mimic that behaviour. 435 * map archetype. Mimic that behaviour.
574 */ 436 */
575 width = 16; 437 width = 16;
576 height = 16; 438 height = 16;
439 timeout = 300;
440 max_items = MAX_ITEM_PER_ACTION;
441 max_volume = 2000000; // 2m³
577 reset_timeout = 0; 442 reset_timeout = 0;
578 timeout = 300;
579 enter_x = 0; 443 enter_x = 0;
580 enter_y = 0; 444 enter_y = 0;
581} 445}
582 446
447maptile::maptile ()
448{
449 init ();
450}
451
583maptile::maptile (int w, int h) 452maptile::maptile (int w, int h)
584{ 453{
585 in_memory = MAP_SWAPPED; 454 init ();
586 455
587 width = w; 456 width = w;
588 height = h; 457 height = h;
589 reset_timeout = 0;
590 timeout = 300;
591 enter_x = 0;
592 enter_y = 0;
593 458
594 alloc (); 459 alloc ();
595} 460}
596 461
597/* 462/*
605 if (spaces) 470 if (spaces)
606 return; 471 return;
607 472
608 spaces = salloc0<mapspace> (size ()); 473 spaces = salloc0<mapspace> (size ());
609} 474}
475
476//+GPL
610 477
611/* Takes a string from a map definition and outputs a pointer to the array of shopitems 478/* Takes a string from a map definition and outputs a pointer to the array of shopitems
612 * corresponding to that string. Memory is allocated for this, it must be freed 479 * corresponding to that string. Memory is allocated for this, it must be freed
613 * at a later date. 480 * at a later date.
614 * Called by parse_map_headers below. 481 * Called by parse_map_headers below.
691 return items; 558 return items;
692} 559}
693 560
694/* opposite of parse string, this puts the string that was originally fed in to 561/* opposite of parse string, this puts the string that was originally fed in to
695 * the map (or something equivilent) into output_string. */ 562 * the map (or something equivilent) into output_string. */
696static void 563static const char *
697print_shop_string (maptile *m, char *output_string) 564print_shop_string (maptile *m)
698{ 565{
699 int i; 566 static dynbuf_text buf; buf.clear ();
700 char tmp[MAX_BUF]; 567 bool first = true;
701 568
702 strcpy (output_string, "");
703 for (i = 0; i < m->shopitems[0].index; i++) 569 for (int i = 0; i < m->shopitems[0].index; i++)
704 { 570 {
571 if (!first)
572 buf << ';';
573
574 first = false;
575
705 if (m->shopitems[i].typenum) 576 if (m->shopitems[i].typenum)
706 { 577 {
707 if (m->shopitems[i].strength) 578 if (m->shopitems[i].strength)
708 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 579 buf.printf ("%s:%d", m->shopitems[i].name, m->shopitems[i].strength);
709 else 580 else
710 sprintf (tmp, "%s;", m->shopitems[i].name); 581 buf.printf ("%s", m->shopitems[i].name);
711 } 582 }
712 else 583 else
713 { 584 {
714 if (m->shopitems[i].strength) 585 if (m->shopitems[i].strength)
715 sprintf (tmp, "*:%d;", m->shopitems[i].strength); 586 buf.printf ("*:%d", m->shopitems[i].strength);
716 else 587 else
717 sprintf (tmp, "*"); 588 buf.printf ("*");
718 } 589 }
719
720 strcat (output_string, tmp);
721 } 590 }
591
592 return buf;
722} 593}
594
595//-GPL
723 596
724/* This loads the header information of the map. The header 597/* This loads the header information of the map. The header
725 * contains things like difficulty, size, timeout, etc. 598 * contains things like difficulty, size, timeout, etc.
726 * this used to be stored in the map object, but with the 599 * this used to be stored in the map object, but with the
727 * addition of tiling, fields beyond that easily named in an 600 * addition of tiling, fields beyond that easily named in an
735bool 608bool
736maptile::_load_header (object_thawer &thawer) 609maptile::_load_header (object_thawer &thawer)
737{ 610{
738 for (;;) 611 for (;;)
739 { 612 {
740 keyword kw = thawer.get_kv ();
741
742 switch (kw) 613 switch (thawer.kw)
743 { 614 {
744 case KW_EOF:
745 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
746 return false;
747
748 case KW_end:
749 return true;
750
751 default:
752 case KW_ERROR:
753 LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword);
754 break;
755
756 case KW_msg: 615 case KW_msg:
757 thawer.get_ml (KW_endmsg, msg); 616 thawer.get_ml (KW_endmsg, msg);
758 break; 617 break;
759 618
760 case KW_lore: // CF+ extension 619 case KW_lore: // deliantra extension
761 thawer.get_ml (KW_endlore, maplore); 620 thawer.get_ml (KW_endlore, maplore);
762 break; 621 break;
763 622
764 case KW_maplore: 623 case KW_maplore:
765 thawer.get_ml (KW_endmaplore, maplore); 624 thawer.get_ml (KW_endmaplore, maplore);
782 case KW_shopgreed: thawer.get (shopgreed); break; 641 case KW_shopgreed: thawer.get (shopgreed); break;
783 case KW_shopmin: thawer.get (shopmin); break; 642 case KW_shopmin: thawer.get (shopmin); break;
784 case KW_shopmax: thawer.get (shopmax); break; 643 case KW_shopmax: thawer.get (shopmax); break;
785 case KW_shoprace: thawer.get (shoprace); break; 644 case KW_shoprace: thawer.get (shoprace); break;
786 case KW_outdoor: thawer.get (outdoor); break; 645 case KW_outdoor: thawer.get (outdoor); break;
787 case KW_temp: thawer.get (temp); break;
788 case KW_pressure: thawer.get (pressure); break;
789 case KW_humid: thawer.get (humid); break;
790 case KW_windspeed: thawer.get (windspeed); break;
791 case KW_winddir: thawer.get (winddir); break;
792 case KW_sky: thawer.get (sky); break;
793 646
794 case KW_per_player: thawer.get (per_player); break; 647 case KW_per_player: thawer.get (per_player); break;
795 case KW_per_party: thawer.get (per_party); break; 648 case KW_per_party: thawer.get (per_party); break;
649 case KW_no_reset: thawer.get (no_reset); break;
650 case KW_no_drop: thawer.get (no_drop); break;
796 651
797 case KW_region: get_region_by_name (thawer.get_str ()); break; 652 case KW_region: thawer.get (default_region); break;
798 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; 653 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
799 654
800 // old names new names 655 // old names new names
801 case KW_hp: case KW_enter_x: thawer.get (enter_x); break; 656 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
802 case KW_sp: case KW_enter_y: thawer.get (enter_y); break; 657 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
810 665
811 case KW_tile_path_1: thawer.get (tile_path [0]); break; 666 case KW_tile_path_1: thawer.get (tile_path [0]); break;
812 case KW_tile_path_2: thawer.get (tile_path [1]); break; 667 case KW_tile_path_2: thawer.get (tile_path [1]); break;
813 case KW_tile_path_3: thawer.get (tile_path [2]); break; 668 case KW_tile_path_3: thawer.get (tile_path [2]); break;
814 case KW_tile_path_4: thawer.get (tile_path [3]); break; 669 case KW_tile_path_4: thawer.get (tile_path [3]); break;
670 case KW_tile_path_5: thawer.get (tile_path [4]); break;
671 case KW_tile_path_6: thawer.get (tile_path [5]); break;
672
673 case KW_ERROR:
674 set_key_text (thawer.kw_str, thawer.value);
675 break;
676
677 case KW_end:
678 thawer.next ();
679 return true;
680
681 default:
682 if (!thawer.parse_error ("map"))
683 return false;
684 break;
815 } 685 }
686
687 thawer.next ();
816 } 688 }
817 689
818 abort (); 690 abort ();
819} 691}
820 692
821bool 693//+GPL
822maptile::_load_header (const char *path)
823{
824 object_thawer thawer (path);
825
826 if (!thawer)
827 return false;
828
829 return _load_header (thawer);
830}
831 694
832/****************************************************************************** 695/******************************************************************************
833 * This is the start of unique map handling code 696 * This is the start of unique map handling code
834 *****************************************************************************/ 697 *****************************************************************************/
835 698
842 int unique = 0; 705 int unique = 0;
843 for (object *op = spaces [i].bot; op; ) 706 for (object *op = spaces [i].bot; op; )
844 { 707 {
845 object *above = op->above; 708 object *above = op->above;
846 709
847 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 710 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
848 unique = 1; 711 unique = 1;
849 712
850 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) 713 if (op->head_ () == op && (op->flag [FLAG_UNIQUE] || unique))
851 {
852 op->destroy_inv (false);
853 op->destroy (); 714 op->destroy ();
854 }
855 715
856 op = above; 716 op = above;
857 } 717 }
858 } 718 }
859} 719}
860 720
721//-GPL
722
861bool 723bool
862maptile::_save_header (object_freezer &freezer) 724maptile::_save_header (object_freezer &freezer)
863{ 725{
864#define MAP_OUT(k) freezer.put (KW_ ## k, k) 726#define MAP_OUT(k) freezer.put (KW(k), k)
865#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) 727#define MAP_OUT2(k,v) freezer.put (KW(k), v)
866 728
867 MAP_OUT2 (arch, "map"); 729 MAP_OUT2 (arch, CS(map));
868 730
869 if (name) MAP_OUT (name); 731 if (name) MAP_OUT (name);
870 MAP_OUT (swap_time); 732 MAP_OUT (swap_time);
871 MAP_OUT (reset_time); 733 MAP_OUT (reset_time);
872 MAP_OUT (reset_timeout); 734 MAP_OUT (reset_timeout);
873 MAP_OUT (fixed_resettime); 735 MAP_OUT (fixed_resettime);
736 MAP_OUT (no_reset);
737 MAP_OUT (no_drop);
874 MAP_OUT (difficulty); 738 MAP_OUT (difficulty);
875
876 if (region) MAP_OUT2 (region, region->name); 739 if (default_region) MAP_OUT2 (region, default_region->name);
877 740
878 if (shopitems) 741 if (shopitems) MAP_OUT2 (shopitems, print_shop_string (this));
879 {
880 char shop[MAX_BUF];
881 print_shop_string (this, shop);
882 MAP_OUT2 (shopitems, shop);
883 }
884
885 MAP_OUT (shopgreed); 742 MAP_OUT (shopgreed);
886 MAP_OUT (shopmin); 743 MAP_OUT (shopmin);
887 MAP_OUT (shopmax); 744 MAP_OUT (shopmax);
888 if (shoprace) MAP_OUT (shoprace); 745 if (shoprace) MAP_OUT (shoprace);
889 MAP_OUT (darkness); 746
890 MAP_OUT (width); 747 MAP_OUT (width);
891 MAP_OUT (height); 748 MAP_OUT (height);
892 MAP_OUT (enter_x); 749 MAP_OUT (enter_x);
893 MAP_OUT (enter_y); 750 MAP_OUT (enter_y);
894 751 MAP_OUT (darkness);
895 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
896 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
897
898 MAP_OUT (outdoor); 752 MAP_OUT (outdoor);
899 MAP_OUT (temp); 753
900 MAP_OUT (pressure); 754 if (msg) freezer.put (KW(msg) , KW(endmsg) , msg);
901 MAP_OUT (humid); 755 if (maplore) freezer.put (KW(maplore), KW(endmaplore), maplore);
902 MAP_OUT (windspeed);
903 MAP_OUT (winddir);
904 MAP_OUT (sky);
905 756
906 MAP_OUT (per_player); 757 MAP_OUT (per_player);
907 MAP_OUT (per_party); 758 MAP_OUT (per_party);
908 759
909 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]); 760 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
910 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]); 761 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
911 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]); 762 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
912 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]); 763 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
764 if (tile_path [4]) MAP_OUT2 (tile_path_5, tile_path [4]);
765 if (tile_path [5]) MAP_OUT2 (tile_path_6, tile_path [5]);
913 766
914 freezer.put (this); 767 freezer.put (this);
915 freezer.put (KW_end); 768 freezer.put (KW(end));
916 769
917 return true; 770 return true;
918} 771}
919 772
920bool 773bool
926 return false; 779 return false;
927 780
928 return freezer.save (path); 781 return freezer.save (path);
929} 782}
930 783
784//+GPL
785
931/* 786/*
932 * Remove and free all objects in the given map. 787 * Remove and free all objects in the given map.
933 */ 788 */
934void 789void
935maptile::clear () 790maptile::clear ()
936{ 791{
937 if (!spaces) 792 if (spaces)
938 return; 793 {
939
940 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 794 for (mapspace *ms = spaces + size (); ms-- > spaces; )
941 while (object *op = ms->bot) 795 while (object *op = ms->bot)
942 { 796 {
797 // manually remove, as to not trigger anything
798 if (ms->bot = op->above)
799 ms->bot->below = 0;
800
801 op->flag [FLAG_REMOVED] = true;
802
803 object *head = op->head_ ();
943 if (op->head) 804 if (op == head)
944 op = op->head;
945
946 op->destroy_inv (false);
947 op->destroy (); 805 op->destroy ();
806 else if (head->map != op->map)
807 {
808 LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
809 head->destroy ();
810 }
811 }
812
813 sfree0 (spaces, size ());
948 } 814 }
949
950 sfree (spaces, size ()), spaces = 0;
951 815
952 if (buttons) 816 if (buttons)
953 free_objectlinkpt (buttons), buttons = 0; 817 free_objectlinkpt (buttons), buttons = 0;
818
819 sfree0 (regions, size ());
820 delete [] regionmap; regionmap = 0;
954} 821}
955 822
956void 823void
957maptile::clear_header () 824maptile::clear_header ()
958{ 825{
960 msg = 0; 827 msg = 0;
961 maplore = 0; 828 maplore = 0;
962 shoprace = 0; 829 shoprace = 0;
963 delete [] shopitems, shopitems = 0; 830 delete [] shopitems, shopitems = 0;
964 831
965 for (int i = 0; i < 4; i++) 832 for (int i = 0; i < TILE_NUM; i++)
966 tile_path [i] = 0; 833 tile_path [i] = 0;
967} 834}
968 835
969maptile::~maptile () 836maptile::~maptile ()
970{ 837{
990 attachable::do_destroy (); 857 attachable::do_destroy ();
991 858
992 clear (); 859 clear ();
993} 860}
994 861
995/* 862/* decay and destroy perishable items in a map */
996 * Updates every button on the map (by calling update_button() for them). 863// TODO: should be done regularly, not on map load?
997 */
998void 864void
999maptile::update_buttons () 865maptile::do_decay_objects ()
1000{ 866{
1001 for (oblinkpt *obp = buttons; obp; obp = obp->next) 867 if (!spaces)
1002 for (objectlink *ol = obp->link; ol; ol = ol->next) 868 return;
869
870 for (mapspace *ms = spaces + size (); ms-- > spaces; )
871 for (object *above, *op = ms->bot; op; op = above)
1003 { 872 {
1004 if (!ol->ob) 873 above = op->above;
874
875 // do not decay anything above unique floor tiles (yet :)
876 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
877 break;
878
879 bool destroy = 0;
880
881 if (op->flag [FLAG_IS_FLOOR]
882 || op->flag [FLAG_OBJ_ORIGINAL]
883 || op->flag [FLAG_UNIQUE]
884 || op->flag [FLAG_OVERLAY_FLOOR]
885 || op->flag [FLAG_UNPAID]
886 || op->is_alive ())
887 ; // do not decay
888 else if (op->is_weapon ())
1005 { 889 {
1006 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n", 890 op->stats.dam--;
1007 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value); 891 if (op->stats.dam < 0)
1008 continue; 892 destroy = 1;
1009 } 893 }
1010 894 else if (op->is_armor ())
1011 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1012 { 895 {
1013 update_button (ol->ob); 896 op->stats.ac--;
1014 break; 897 if (op->stats.ac < 0)
898 destroy = 1;
1015 } 899 }
900 else if (op->type == FOOD)
901 {
902 op->stats.food -= rndm (5, 20);
903 if (op->stats.food < 0)
904 destroy = 1;
905 }
906 else
907 {
908 int mat = op->materials;
909
910 if (mat & M_PAPER
911 || mat & M_LEATHER
912 || mat & M_WOOD
913 || mat & M_ORGANIC
914 || mat & M_CLOTH
915 || mat & M_LIQUID
916 || (mat & M_IRON && rndm (1, 5) == 1)
917 || (mat & M_GLASS && rndm (1, 2) == 1)
918 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
919 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
920 //|| (mat & M_ICE && temp > 32)
921 )
922 destroy = 1;
923 }
924
925 /* adjust overall chance below */
926 if (destroy && rndm (0, 1))
927 op->destroy ();
1016 } 928 }
1017} 929}
1018 930
1019/* 931/*
1020 * This routine is supposed to find out the difficulty of the map. 932 * This routine is supposed to find out the difficulty of the map.
1021 * difficulty does not have a lot to do with character level, 933 * difficulty does not have a lot to do with character level,
1022 * but does have a lot to do with treasure on the map. 934 * but does have a lot to do with treasure on the map.
1023 * 935 *
1024 * Difficulty can now be set by the map creature. If the value stored 936 * Difficulty can now be set by the map creator. If the value stored
1025 * in the map is zero, then use this routine. Maps should really 937 * in the map is zero, then use this routine. Maps should really
1026 * have a difficulty set than using this function - human calculation 938 * have a difficulty set rather than using this function - human calculation
1027 * is much better than this functions guesswork. 939 * is much better than this function's guesswork.
1028 */ 940 */
1029int 941int
1030maptile::estimate_difficulty () const 942maptile::estimate_difficulty () const
1031{ 943{
1032 long monster_cnt = 0; 944 long monster_cnt = 0;
1034 sint64 total_exp = 0; 946 sint64 total_exp = 0;
1035 947
1036 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 948 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1037 for (object *op = ms->bot; op; op = op->above) 949 for (object *op = ms->bot; op; op = op->above)
1038 { 950 {
1039 if (QUERY_FLAG (op, FLAG_MONSTER)) 951 if (op->flag [FLAG_MONSTER])
1040 { 952 {
1041 total_exp += op->stats.exp; 953 total_exp += op->stats.exp;
1042 monster_cnt++; 954 monster_cnt++;
1043 } 955 }
1044 956
1045 if (QUERY_FLAG (op, FLAG_GENERATOR)) 957 if (op->flag [FLAG_GENERATOR])
1046 { 958 {
1047 total_exp += op->stats.exp; 959 total_exp += op->stats.exp;
1048 960
1049 if (archetype *at = type_to_archetype (GENERATE_TYPE (op))) 961 if (archetype *at = op->other_arch)
962 {
1050 total_exp += at->clone.stats.exp * 8; 963 total_exp += at->stats.exp * 8;
1051
1052 monster_cnt++; 964 monster_cnt++;
965 }
966
967 for (object *inv = op->inv; inv; inv = inv->below)
968 {
969 total_exp += op->stats.exp * 8;
970 monster_cnt++;
971 }
1053 } 972 }
1054 } 973 }
1055 974
1056 avgexp = (double) total_exp / monster_cnt; 975 avgexp = (double) total_exp / monster_cnt;
1057 976
1070 * postive values make it darker, negative make it brighter 989 * postive values make it darker, negative make it brighter
1071 */ 990 */
1072int 991int
1073maptile::change_map_light (int change) 992maptile::change_map_light (int change)
1074{ 993{
1075 int new_level = darkness + change;
1076
1077 /* Nothing to do */ 994 /* Nothing to do */
1078 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS)) 995 if (!change)
1079 return 0; 996 return 0;
1080 997
1081 /* inform all players on the map */ 998 /* inform all players on the map */
1082 if (change > 0) 999 if (change > 0)
1083 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker."); 1000 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1084 else 1001 else
1085 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter."); 1002 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1086 1003
1087 /* Do extra checking. since darkness is a unsigned value, 1004 darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1088 * we need to be extra careful about negative values.
1089 * In general, the checks below are only needed if change
1090 * is not +/-1
1091 */
1092 if (new_level < 0)
1093 darkness = 0;
1094 else if (new_level >= MAX_DARKNESS)
1095 darkness = MAX_DARKNESS;
1096 else
1097 darkness = new_level;
1098 1005
1099 /* All clients need to get re-updated for the change */ 1006 /* All clients need to get re-updated for the change */
1100 update_all_map_los (this); 1007 update_all_map_los (this);
1008
1101 return 1; 1009 return 1;
1102} 1010}
1103 1011
1104/* 1012/*
1105 * This function updates various attributes about a specific space 1013 * This function updates various attributes about a specific space
1108 * through, etc) 1016 * through, etc)
1109 */ 1017 */
1110void 1018void
1111mapspace::update_ () 1019mapspace::update_ ()
1112{ 1020{
1113 object *tmp, *last = 0; 1021 object *last = 0;
1114 uint8 flags = P_UPTODATE, light = 0, anywhere = 0; 1022 uint8 flags = P_UPTODATE;
1115 facetile *top, *floor, *middle; 1023 sint8 light = 0;
1116 object *top_obj, *floor_obj, *middle_obj;
1117 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1024 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1025 uint64_t volume = 0;
1026 uint32_t items = 0;
1027 object *anywhere = 0;
1028 uint8_t middle_visibility = 0;
1118 1029
1119 middle = blank_face; 1030 //object *middle = 0;
1120 top = blank_face; 1031 //object *top = 0;
1121 floor = blank_face; 1032 //object *floor = 0;
1033 // this seems to generate better code than using locals, above
1034 object *&top = faces_obj[0] = 0;
1035 object *&middle = faces_obj[1] = 0;
1036 object *&floor = faces_obj[2] = 0;
1122 1037
1123 middle_obj = 0; 1038 object::flags_t allflags; // all flags of all objects or'ed together
1124 top_obj = 0;
1125 floor_obj = 0;
1126 1039
1127 for (tmp = bot; tmp; last = tmp, tmp = tmp->above) 1040 for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1128 { 1041 {
1129 /* This could be made additive I guess (two lights better than 1042 // Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1130 * one). But if so, it shouldn't be a simple additive - 2
1131 * light bulbs do not illuminate twice as far as once since
1132 * it is a dissapation factor that is cubed.
1133 */
1134 if (tmp->glow_radius > light)
1135 light = tmp->glow_radius; 1043 light += tmp->glow_radius;
1136 1044
1137 /* This call is needed in order to update objects the player 1045 /* This call is needed in order to update objects the player
1138 * is standing in that have animations (ie, grass, fire, etc). 1046 * is standing in that have animations (ie, grass, fire, etc).
1139 * However, it also causes the look window to be re-drawn 1047 * However, it also causes the look window to be re-drawn
1140 * 3 times each time the player moves, because many of the 1048 * 3 times each time the player moves, because many of the
1141 * functions the move_player calls eventualy call this. 1049 * functions the move_player calls eventualy call this.
1142 * 1050 *
1143 * Always put the player down for drawing. 1051 * Always put the player down for drawing.
1144 */ 1052 */
1145 if (!tmp->invisible) 1053 if (expect_true (!tmp->invisible))
1146 { 1054 {
1147 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER))) 1055 if (expect_false (tmp->type == PLAYER || tmp->flag [FLAG_MONSTER]))
1148 {
1149 top = tmp->face;
1150 top_obj = tmp; 1056 top = tmp;
1151 } 1057 else if (expect_false (tmp->flag [FLAG_IS_FLOOR]))
1152 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1153 { 1058 {
1154 /* If we got a floor, that means middle and top were below it, 1059 /* If we got a floor, that means middle and top were below it,
1155 * so should not be visible, so we clear them. 1060 * so should not be visible, so we clear them.
1156 */ 1061 */
1157 middle = blank_face; 1062 middle = 0;
1158 top = blank_face; 1063 top = 0;
1159 floor = tmp->face;
1160 floor_obj = tmp; 1064 floor = tmp;
1065 volume = 0;
1066 items = 0;
1161 } 1067 }
1162 /* Flag anywhere have high priority */ 1068 else
1163 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1164 { 1069 {
1165 middle = tmp->face; 1070 if (expect_true (!tmp->flag [FLAG_NO_PICK]))
1071 {
1072 ++items;
1073 volume += tmp->volume ();
1074 }
1166 1075
1167 middle_obj = tmp; 1076 /* Flag anywhere have high priority */
1077 if (expect_false (tmp->flag [FLAG_SEE_ANYWHERE]))
1168 anywhere = 1; 1078 anywhere = tmp;
1079
1080 /* Find the highest visible face around. If equal
1081 * visibilities, we still want the one nearer to the
1082 * top
1083 */
1084 if (expect_false (::faces [tmp->face].visibility >= middle_visibility))
1085 {
1086 middle_visibility = ::faces [tmp->face].visibility;
1087 middle = tmp;
1088 }
1169 } 1089 }
1170 /* Find the highest visible face around. If equal
1171 * visibilities, we still want the one nearer to the
1172 * top
1173 */
1174 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere))
1175 {
1176 middle = tmp->face;
1177 middle_obj = tmp;
1178 }
1179 }
1180
1181 if (tmp == tmp->above)
1182 {
1183 LOG (llevError, "Error in structure of map\n");
1184 exit (-1);
1185 } 1090 }
1186 1091
1187 move_slow |= tmp->move_slow; 1092 move_slow |= tmp->move_slow;
1188 move_block |= tmp->move_block; 1093 move_block |= tmp->move_block;
1189 move_on |= tmp->move_on; 1094 move_on |= tmp->move_on;
1190 move_off |= tmp->move_off; 1095 move_off |= tmp->move_off;
1191 move_allow |= tmp->move_allow; 1096 move_allow |= tmp->move_allow;
1192 1097
1193 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW; 1098 allflags |= tmp->flag;
1194 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC; 1099
1195 if (tmp->type == PLAYER) flags |= P_PLAYER; 1100 if (tmp->type == PLAYER) flags |= P_PLAYER;
1196 if (tmp->type == SAFE_GROUND) flags |= P_SAFE; 1101 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1197 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1198 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1199 } 1102 }
1200 1103
1201 this->light = light; 1104 // FLAG_SEE_ANYWHERE takes precedence
1105 if (anywhere)
1106 middle = anywhere;
1107
1108 // ORing all flags together and checking them here is much faster
1109 if (allflags [FLAG_BLOCKSVIEW]) flags |= P_BLOCKSVIEW;
1110 if (allflags [FLAG_NO_MAGIC] ) flags |= P_NO_MAGIC;
1111 if (allflags [FLAG_ALIVE] ) flags |= P_IS_ALIVE;
1112 if (allflags [FLAG_DAMNED] ) flags |= P_NO_CLERIC;
1113
1114 this->light = min (light, MAX_LIGHT_RADIUS);
1202 this->flags_ = flags; 1115 this->flags_ = flags;
1203 this->move_block = move_block & ~move_allow; 1116 this->move_block = move_block & ~move_allow;
1204 this->move_on = move_on; 1117 this->move_on = move_on;
1205 this->move_off = move_off; 1118 this->move_off = move_off;
1206 this->move_slow = move_slow; 1119 this->move_slow = move_slow;
1120 this->volume_ = (volume + 1023) / 1024;
1121 this->items_ = upos_min (items, 65535); // assume nrof <= 2**31
1207 1122
1208 /* At this point, we have a floor face (if there is a floor), 1123 /* At this point, we have a floor face (if there is a floor),
1209 * and the floor is set - we are not going to touch it at 1124 * and the floor is set - we are not going to touch it at
1210 * this point. 1125 * this point.
1211 * middle contains the highest visibility face. 1126 * middle contains the highest visibility face.
1218 * middle face. This should not happen, as we already have the 1133 * middle face. This should not happen, as we already have the
1219 * else statement above so middle should not get set. OTOH, it 1134 * else statement above so middle should not get set. OTOH, it
1220 * may be possible for the faces to match but be different objects. 1135 * may be possible for the faces to match but be different objects.
1221 */ 1136 */
1222 if (top == middle) 1137 if (top == middle)
1223 middle = blank_face; 1138 middle = 0;
1224 1139
1225 /* There are three posibilities at this point: 1140 /* There are three posibilities at this point:
1226 * 1) top face is set, need middle to be set. 1141 * 1) top face is set, need middle to be set.
1227 * 2) middle is set, need to set top. 1142 * 2) middle is set, need to set top.
1228 * 3) neither middle or top is set - need to set both. 1143 * 3) neither middle or top is set - need to set both.
1229 */ 1144 */
1230 1145
1231 for (tmp = last; tmp; tmp = tmp->below) 1146 for (object *tmp = last; tmp; tmp = tmp->below)
1232 { 1147 {
1233 /* Once we get to a floor, stop, since we already have a floor object */ 1148 /* Once we get to a floor, stop, since we already have a floor object */
1234 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1149 if (tmp->flag [FLAG_IS_FLOOR])
1235 break; 1150 break;
1236 1151
1237 /* If two top faces are already set, quit processing */ 1152 /* If two top faces are already set, quit processing */
1238 if ((top != blank_face) && (middle != blank_face)) 1153 if (top && middle)
1239 break; 1154 break;
1240 1155
1241 /* Only show visible faces */ 1156 /* Only show visible faces */
1242 if (!tmp->invisible) 1157 if (!tmp->invisible)
1243 { 1158 {
1244 /* Fill in top if needed */ 1159 /* Fill in top if needed */
1245 if (top == blank_face) 1160 if (!top)
1246 { 1161 {
1247 top = tmp->face;
1248 top_obj = tmp; 1162 top = tmp;
1249 if (top == middle) 1163 if (top == middle)
1250 middle = blank_face; 1164 middle = 0;
1251 } 1165 }
1252 else 1166 else
1253 { 1167 {
1254 /* top is already set - we should only get here if 1168 /* top is already set - we should only get here if
1255 * middle is not set 1169 * middle is not set
1256 * 1170 *
1257 * Set the middle face and break out, since there is nothing 1171 * Set the middle face and break out, since there is nothing
1258 * more to fill in. We don't check visiblity here, since 1172 * more to fill in. We don't check visiblity here, since
1259 * 1173 *
1260 */ 1174 */
1261 if (tmp->face != top) 1175 if (tmp != top)
1262 { 1176 {
1263 middle = tmp->face;
1264 middle_obj = tmp; 1177 middle = tmp;
1265 break; 1178 break;
1266 } 1179 }
1267 } 1180 }
1268 } 1181 }
1269 } 1182 }
1270 1183
1271 if (middle == floor) 1184 if (middle == floor)
1272 middle = blank_face; 1185 middle = 0;
1273 1186
1274 if (top == middle) 1187 if (top == middle)
1275 middle = blank_face; 1188 middle = 0;
1276 1189
1277 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; 1190#if 0
1278 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; 1191 faces_obj [0] = top;
1279 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; 1192 faces_obj [1] = middle;
1193 faces_obj [2] = floor;
1194#endif
1280} 1195}
1281 1196
1282/* this updates the orig_map->tile_map[tile_num] value after finding 1197maptile *
1283 * the map. It also takes care of linking back the freshly found 1198maptile::tile_available (int dir, bool load)
1284 * maps tile_map values if it tiles back to this one. It returns
1285 * the value of orig_map->tile_map[tile_num].
1286 */
1287static inline maptile *
1288find_and_link (maptile *orig_map, int tile_num)
1289{ 1199{
1290 maptile *mp = orig_map->tile_map [tile_num]; 1200 if (tile_path[dir])
1291
1292 if (!mp)
1293 {
1294 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1295
1296 if (!mp)
1297 {
1298 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1299 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1300 &orig_map->tile_path[tile_num], &orig_map->path);
1301 mp = new maptile (1, 1);
1302 mp->alloc ();
1303 mp->in_memory = MAP_IN_MEMORY;
1304 }
1305 } 1201 {
1202 // map is there and we don't need to load it OR it's loaded => return what we have
1203 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1204 return tile_map[dir];
1306 1205
1307 int dest_tile = (tile_num + 2) % 4; 1206 // well, try to locate it then, if possible - maybe it's there already
1207 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1208 return tile_map[dir];
1209 }
1308 1210
1309 orig_map->tile_map [tile_num] = mp;
1310
1311 // optimisation: back-link map to origin map if euclidean
1312 //TODO: non-euclidean maps MUST GO
1313 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1314 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1315
1316 return mp; 1211 return 0;
1317}
1318
1319static inline void
1320load_and_link (maptile *orig_map, int tile_num)
1321{
1322 find_and_link (orig_map, tile_num)->load_sync ();
1323} 1212}
1324 1213
1325/* this returns TRUE if the coordinates (x,y) are out of 1214/* this returns TRUE if the coordinates (x,y) are out of
1326 * map m. This function also takes into account any 1215 * map m. This function also takes into account any
1327 * tiling considerations, loading adjacant maps as needed. 1216 * tiling considerations, loading adjacant maps as needed.
1340 if (!m) 1229 if (!m)
1341 return 0; 1230 return 0;
1342 1231
1343 if (x < 0) 1232 if (x < 0)
1344 { 1233 {
1345 if (!m->tile_path[3]) 1234 if (!m->tile_available (3))
1346 return 1; 1235 return 1;
1347 1236
1348 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1349 find_and_link (m, 3);
1350
1351 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); 1237 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1352 } 1238 }
1353 1239
1354 if (x >= m->width) 1240 if (x >= m->width)
1355 { 1241 {
1356 if (!m->tile_path[1]) 1242 if (!m->tile_available (1))
1357 return 1; 1243 return 1;
1358 1244
1359 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1360 find_and_link (m, 1);
1361
1362 return out_of_map (m->tile_map[1], x - m->width, y); 1245 return out_of_map (m->tile_map[1], x - m->width, y);
1363 } 1246 }
1364 1247
1365 if (y < 0) 1248 if (y < 0)
1366 { 1249 {
1367 if (!m->tile_path[0]) 1250 if (!m->tile_available (0))
1368 return 1; 1251 return 1;
1369 1252
1370 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1371 find_and_link (m, 0);
1372
1373 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); 1253 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1374 } 1254 }
1375 1255
1376 if (y >= m->height) 1256 if (y >= m->height)
1377 { 1257 {
1378 if (!m->tile_path[2]) 1258 if (!m->tile_available (2))
1379 return 1; 1259 return 1;
1380
1381 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1382 find_and_link (m, 2);
1383 1260
1384 return out_of_map (m->tile_map[2], x, y - m->height); 1261 return out_of_map (m->tile_map[2], x, y - m->height);
1385 } 1262 }
1386 1263
1387 /* Simple case - coordinates are within this local 1264 /* Simple case - coordinates are within this local
1401maptile * 1278maptile *
1402maptile::xy_find (sint16 &x, sint16 &y) 1279maptile::xy_find (sint16 &x, sint16 &y)
1403{ 1280{
1404 if (x < 0) 1281 if (x < 0)
1405 { 1282 {
1406 if (!tile_path[3]) 1283 if (!tile_available (3))
1407 return 0; 1284 return 0;
1408 1285
1409 find_and_link (this, 3);
1410 x += tile_map[3]->width; 1286 x += tile_map[3]->width;
1411 return tile_map[3]->xy_find (x, y); 1287 return tile_map[3]->xy_find (x, y);
1412 } 1288 }
1413 1289
1414 if (x >= width) 1290 if (x >= width)
1415 { 1291 {
1416 if (!tile_path[1]) 1292 if (!tile_available (1))
1417 return 0; 1293 return 0;
1418 1294
1419 find_and_link (this, 1);
1420 x -= width; 1295 x -= width;
1421 return tile_map[1]->xy_find (x, y); 1296 return tile_map[1]->xy_find (x, y);
1422 } 1297 }
1423 1298
1424 if (y < 0) 1299 if (y < 0)
1425 { 1300 {
1426 if (!tile_path[0]) 1301 if (!tile_available (0))
1427 return 0; 1302 return 0;
1428 1303
1429 find_and_link (this, 0);
1430 y += tile_map[0]->height; 1304 y += tile_map[0]->height;
1431 return tile_map[0]->xy_find (x, y); 1305 return tile_map[0]->xy_find (x, y);
1432 } 1306 }
1433 1307
1434 if (y >= height) 1308 if (y >= height)
1435 { 1309 {
1436 if (!tile_path[2]) 1310 if (!tile_available (2))
1437 return 0; 1311 return 0;
1438 1312
1439 find_and_link (this, 2);
1440 y -= height; 1313 y -= height;
1441 return tile_map[2]->xy_find (x, y); 1314 return tile_map[2]->xy_find (x, y);
1442 } 1315 }
1443 1316
1444 /* Simple case - coordinates are within this local 1317 /* Simple case - coordinates are within this local
1449 1322
1450/** 1323/**
1451 * Return whether map2 is adjacent to map1. If so, store the distance from 1324 * Return whether map2 is adjacent to map1. If so, store the distance from
1452 * map1 to map2 in dx/dy. 1325 * map1 to map2 in dx/dy.
1453 */ 1326 */
1454static int 1327int
1455adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1328adjacent_map (maptile *map1, maptile *map2, int *dx, int *dy)
1456{ 1329{
1457 if (!map1 || !map2) 1330 if (!map1 || !map2)
1458 return 0; 1331 return 0;
1459 1332
1460 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded 1333 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
1461 //fix: compare paths instead (this is likely faster, too!) 1334 //fix: compare paths instead (this is likely faster, too!)
1462 if (map1 == map2) 1335 if (map1 == map2)
1463 { 1336 {
1464 *dx = 0; 1337 *dx = 0;
1465 *dy = 0; 1338 *dy = 0;
1466 } 1339 }
1467 else if (map1->tile_map[0] == map2) 1340 else if (map1->tile_available (TILE_NORTH, false) == map2)
1468 { /* up */ 1341 {
1469 *dx = 0; 1342 *dx = 0;
1470 *dy = -map2->height; 1343 *dy = -map2->height;
1471 } 1344 }
1472 else if (map1->tile_map[1] == map2) 1345 else if (map1->tile_available (TILE_EAST , false) == map2)
1473 { /* right */ 1346 {
1474 *dx = map1->width; 1347 *dx = map1->width;
1475 *dy = 0; 1348 *dy = 0;
1476 } 1349 }
1477 else if (map1->tile_map[2] == map2) 1350 else if (map1->tile_available (TILE_SOUTH, false) == map2)
1478 { /* down */ 1351 {
1479 *dx = 0; 1352 *dx = 0;
1480 *dy = map1->height; 1353 *dy = map1->height;
1481 } 1354 }
1482 else if (map1->tile_map[3] == map2) 1355 else if (map1->tile_available (TILE_WEST , false) == map2)
1483 { /* left */ 1356 {
1484 *dx = -map2->width; 1357 *dx = -map2->width;
1485 *dy = 0; 1358 *dy = 0;
1486 } 1359 }
1487 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) 1360 else if (map1->tile_map[TILE_NORTH] && map1->tile_map[TILE_NORTH]->tile_available (TILE_EAST , false) == map2)
1488 { /* up right */ 1361 { /* up right */
1489 *dx = map1->tile_map[0]->width; 1362 *dx = +map1->tile_map[TILE_NORTH]->width;
1490 *dy = -map1->tile_map[0]->height; 1363 *dy = -map1->tile_map[TILE_NORTH]->height;
1491 } 1364 }
1492 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) 1365 else if (map1->tile_map[TILE_NORTH] && map1->tile_map[TILE_NORTH]->tile_available (TILE_WEST , false) == map2)
1493 { /* up left */ 1366 { /* up left */
1494 *dx = -map2->width; 1367 *dx = -map2->width;
1495 *dy = -map1->tile_map[0]->height; 1368 *dy = -map1->tile_map[TILE_NORTH]->height;
1496 } 1369 }
1497 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) 1370 else if (map1->tile_map[TILE_EAST ] && map1->tile_map[TILE_EAST ]->tile_available (TILE_NORTH, false) == map2)
1498 { /* right up */ 1371 { /* right up */
1499 *dx = map1->width; 1372 *dx = +map1->width;
1500 *dy = -map2->height; 1373 *dy = -map2->height;
1501 } 1374 }
1502 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) 1375 else if (map1->tile_map[TILE_EAST ] && map1->tile_map[TILE_EAST ]->tile_available (TILE_SOUTH, false) == map2)
1503 { /* right down */ 1376 { /* right down */
1504 *dx = map1->width; 1377 *dx = +map1->width;
1505 *dy = map1->tile_map[1]->height; 1378 *dy = +map1->tile_map[TILE_EAST]->height;
1506 } 1379 }
1507 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) 1380 else if (map1->tile_map[TILE_SOUTH] && map1->tile_map[TILE_SOUTH]->tile_available (TILE_EAST , false) == map2)
1508 { /* down right */ 1381 { /* down right */
1509 *dx = map1->tile_map[2]->width; 1382 *dx = +map1->tile_map[TILE_SOUTH]->width;
1510 *dy = map1->height; 1383 *dy = +map1->height;
1511 } 1384 }
1512 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) 1385 else if (map1->tile_map[TILE_SOUTH] && map1->tile_map[TILE_SOUTH]->tile_available (TILE_WEST , false) == map2)
1513 { /* down left */ 1386 { /* down left */
1514 *dx = -map2->width; 1387 *dx = -map2->width;
1515 *dy = map1->height; 1388 *dy = +map1->height;
1516 } 1389 }
1517 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) 1390 else if (map1->tile_map[TILE_WEST ] && map1->tile_map[TILE_WEST ]->tile_available (TILE_NORTH, false) == map2)
1518 { /* left up */ 1391 { /* left up */
1519 *dx = -map1->tile_map[3]->width; 1392 *dx = -map1->tile_map[TILE_WEST]->width;
1520 *dy = -map2->height; 1393 *dy = -map2->height;
1521 } 1394 }
1522 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) 1395 else if (map1->tile_map[TILE_WEST ] && map1->tile_map[TILE_WEST ]->tile_available (TILE_SOUTH, false) == map2)
1523 { /* left down */ 1396 { /* left down */
1524 *dx = -map1->tile_map[3]->width; 1397 *dx = -map1->tile_map[TILE_WEST]->width;
1525 *dy = map1->tile_map[3]->height; 1398 *dy = +map1->tile_map[TILE_WEST]->height;
1526 } 1399 }
1527 else 1400 else
1528 return 0; 1401 return 0;
1529 1402
1530 return 1; 1403 return 1;
1566 * 1439 *
1567 * currently, the only flag supported (0x1) is don't translate for 1440 * currently, the only flag supported (0x1) is don't translate for
1568 * closest body part of 'op1' 1441 * closest body part of 'op1'
1569 */ 1442 */
1570void 1443void
1571get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1444get_rangevector (object *op1, object *op2, rv_vector *retval, int flags)
1572{ 1445{
1573 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1446 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1574 { 1447 {
1575 /* be conservative and fill in _some_ data */ 1448 /* be conservative and fill in _some_ data */
1576 retval->distance = 100000; 1449 retval->distance = 10000;
1577 retval->distance_x = 32767; 1450 retval->distance_x = 10000;
1578 retval->distance_y = 32767; 1451 retval->distance_y = 10000;
1579 retval->direction = 0; 1452 retval->direction = 0;
1580 retval->part = 0; 1453 retval->part = 0;
1581 } 1454 }
1582 else 1455 else
1583 { 1456 {
1584 object *best;
1585
1586 retval->distance_x += op2->x - op1->x; 1457 retval->distance_x += op2->x - op1->x;
1587 retval->distance_y += op2->y - op1->y; 1458 retval->distance_y += op2->y - op1->y;
1588 1459
1589 best = op1; 1460 object *best = op1;
1461
1590 /* If this is multipart, find the closest part now */ 1462 /* If this is multipart, find the closest part now */
1591 if (!(flags & 0x1) && op1->more) 1463 if (!(flags & 1) && op1->more)
1592 { 1464 {
1593 object *tmp; 1465 int best_distance = idistance (retval->distance_x, retval->distance_y);
1594 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
1595 1466
1596 /* we just take the offset of the piece to head to figure 1467 /* we just take the offset of the piece to head to figure
1597 * distance instead of doing all that work above again 1468 * distance instead of doing all that work above again
1598 * since the distance fields we set above are positive in the 1469 * since the distance fields we set above are positive in the
1599 * same axis as is used for multipart objects, the simply arithmetic 1470 * same axis as is used for multipart objects, the simply arithmetic
1600 * below works. 1471 * below works.
1601 */ 1472 */
1602 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) 1473 for (object *tmp = op1->more; tmp; tmp = tmp->more)
1603 { 1474 {
1604 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + 1475 int tmpi = idistance (op1->x - tmp->x + retval->distance_x, op1->y - tmp->y + retval->distance_y);
1605 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); 1476
1606 if (tmpi < best_distance) 1477 if (tmpi < best_distance)
1607 { 1478 {
1608 best_distance = tmpi; 1479 best_distance = tmpi;
1609 best = tmp; 1480 best = tmp;
1610 } 1481 }
1611 } 1482 }
1612 1483
1613 if (best != op1) 1484 if (best != op1)
1614 { 1485 {
1615 retval->distance_x += op1->x - best->x; 1486 retval->distance_x += op1->x - best->x;
1616 retval->distance_y += op1->y - best->y; 1487 retval->distance_y += op1->y - best->y;
1617 } 1488 }
1618 } 1489 }
1619 1490
1620 retval->part = best; 1491 retval->part = best;
1621 retval->distance = idistance (retval->distance_x, retval->distance_y); 1492 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1622 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1493 retval->direction = find_dir_2 (retval->distance_x, retval->distance_y);
1623 } 1494 }
1624} 1495}
1625 1496
1626/* this is basically the same as get_rangevector above, but instead of 1497/* this is basically the same as get_rangevector above, but instead of
1627 * the first parameter being an object, it instead is the map 1498 * the first parameter being an object, it instead is the map
1631 * flags has no meaning for this function at this time - I kept it in to 1502 * flags has no meaning for this function at this time - I kept it in to
1632 * be more consistant with the above function and also in case they are needed 1503 * be more consistant with the above function and also in case they are needed
1633 * for something in the future. Also, since no object is pasted, the best 1504 * for something in the future. Also, since no object is pasted, the best
1634 * field of the rv_vector is set to NULL. 1505 * field of the rv_vector is set to NULL.
1635 */ 1506 */
1636
1637void 1507void
1638get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) 1508get_rangevector_from_mapcoord (maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
1639{ 1509{
1640 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) 1510 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1641 { 1511 {
1642 /* be conservative and fill in _some_ data */ 1512 /* be conservative and fill in _some_ data */
1643 retval->distance = 100000; 1513 retval->distance = 100000;
1644 retval->distance_x = 32767; 1514 retval->distance_x = 32767;
1645 retval->distance_y = 32767; 1515 retval->distance_y = 32767;
1646 retval->direction = 0; 1516 retval->direction = 0;
1647 retval->part = 0; 1517 retval->part = 0;
1648 } 1518 }
1649 else 1519 else
1650 { 1520 {
1651 retval->distance_x += op2->x - x; 1521 retval->distance_x += op2->x - x;
1652 retval->distance_y += op2->y - y; 1522 retval->distance_y += op2->y - y;
1653 1523
1654 retval->part = NULL; 1524 retval->part = 0;
1655 retval->distance = idistance (retval->distance_x, retval->distance_y); 1525 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1656 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1526 retval->direction = find_dir_2 (retval->distance_x, retval->distance_y);
1657 } 1527 }
1658} 1528}
1659 1529
1660/* Returns true of op1 and op2 are effectively on the same map 1530/* Returns true of op1 and op2 are effectively on the same map
1661 * (as related to map tiling). Note that this looks for a path from 1531 * (as related to map tiling). Note that this looks for a path from
1671 int dx, dy; 1541 int dx, dy;
1672 1542
1673 return adjacent_map (op1->map, op2->map, &dx, &dy); 1543 return adjacent_map (op1->map, op2->map, &dx, &dy);
1674} 1544}
1675 1545
1546//-GPL
1547
1676object * 1548object *
1677maptile::insert (object *op, int x, int y, object *originator, int flags) 1549maptile::insert (object *op, int x, int y, object *originator, int flags)
1678{ 1550{
1679 if (!op->flag [FLAG_REMOVED])
1680 op->remove ();
1681
1682 return insert_ob_in_map_at (op, this, originator, flags, x, y); 1551 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1683} 1552}
1684 1553
1554region *
1555maptile::region (int x, int y) const
1556{
1557 if (regions
1558 && regionmap
1559 && !OUT_OF_REAL_MAP (this, x, y))
1560 if (struct region *reg = regionmap [regions [y * width + x]])
1561 return reg;
1562
1563 if (default_region)
1564 return default_region;
1565
1566 return ::region::default_region ();
1567}
1568
1569//+GPL
1570
1571/* picks a random object from a style map.
1572 */
1573object *
1574maptile::pick_random_object (rand_gen &gen) const
1575{
1576 /* while returning a null object will result in a crash, that
1577 * is actually preferable to an infinite loop. That is because
1578 * most servers will automatically restart in case of crash.
1579 * Change the logic on getting the random space - shouldn't make
1580 * any difference, but this seems clearer to me.
1581 */
1582 for (int i = 1000; --i;)
1583 {
1584 object *pick = at (gen (width), gen (height)).bot;
1585
1586 // must be head: do not prefer big monsters just because they are big.
1587 if (pick && pick->is_head ())
1588 return pick;
1589 }
1590
1591 // instead of crashing in the unlikely(?) case, try to return *something*
1592 return archetype::find (shstr_bug);
1593}
1594
1595//-GPL
1596
1597void
1598maptile::play_sound (faceidx sound, int x, int y) const
1599{
1600 if (!sound)
1601 return;
1602
1603 for_all_players_on_map (pl, this)
1604 if (client *ns = pl->ns)
1605 {
1606 int dx = x - pl->ob->x;
1607 int dy = y - pl->ob->y;
1608
1609 int distance = idistance (dx, dy);
1610
1611 if (distance <= MAX_SOUND_DISTANCE)
1612 ns->play_sound (sound, dx, dy);
1613 }
1614}
1615
1616void
1617maptile::say_msg (const char *msg, int x, int y) const
1618{
1619 for_all_players (pl)
1620 if (client *ns = pl->ns)
1621 {
1622 int dx = x - pl->ob->x;
1623 int dy = y - pl->ob->y;
1624
1625 int distance = idistance (dx, dy);
1626
1627 if (distance <= MAX_SOUND_DISTANCE)
1628 ns->send_msg (NDI_GREY | NDI_DEF, SAY_CHANNEL, msg);
1629 }
1630}
1631
1632dynbuf mapwalk_buf (sizeof (maprect) * 25, sizeof (maprect) * 25);
1633
1634static void
1635split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
1636{
1637 // clip to map to the left
1638 if (x0 < 0)
1639 {
1640 if (maptile *tile = m->tile_available (TILE_WEST, 1))
1641 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
1642
1643 if (x1 < 0) // entirely to the left
1644 return;
1645
1646 x0 = 0;
1647 }
1648
1649 // clip to map to the right
1650 if (x1 > m->width)
1651 {
1652 if (maptile *tile = m->tile_available (TILE_EAST, 1))
1653 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
1654
1655 if (x0 > m->width) // entirely to the right
1656 return;
1657
1658 x1 = m->width;
1659 }
1660
1661 // clip to map above
1662 if (y0 < 0)
1663 {
1664 if (maptile *tile = m->tile_available (TILE_NORTH, 1))
1665 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
1666
1667 if (y1 < 0) // entirely above
1668 return;
1669
1670 y0 = 0;
1671 }
1672
1673 // clip to map below
1674 if (y1 > m->height)
1675 {
1676 if (maptile *tile = m->tile_available (TILE_SOUTH, 1))
1677 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
1678
1679 if (y0 > m->height) // entirely below
1680 return;
1681
1682 y1 = m->height;
1683 }
1684
1685 // if we get here, the rect is within the current map
1686 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1687
1688 r->m = m;
1689 r->x0 = x0;
1690 r->y0 = y0;
1691 r->x1 = x1;
1692 r->y1 = y1;
1693 r->dx = dx;
1694 r->dy = dy;
1695}
1696
1697maprect *
1698maptile::split_to_tiles (dynbuf &buf, int x0, int y0, int x1, int y1)
1699{
1700 buf.clear ();
1701
1702 ::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
1703
1704 // add end marker
1705 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1706 r->m = 0;
1707
1708 return (maprect *)buf.linearise ();
1709}
1710

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