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Comparing deliantra/server/common/map.C (file contents):
Revision 1.8 by root, Sat Aug 26 08:44:04 2006 UTC vs.
Revision 1.114 by root, Thu Jul 26 00:27:07 2007 UTC

1/* 1/*
2 * static char *rcsid_map_c = 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 * "$Id: map.C,v 1.8 2006/08/26 08:44:04 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5
6/*
7 CrossFire, A Multiplayer game for X-windows
8
9 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
11 7 *
12 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software: you can redistribute it and/or modify
13 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
14 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
15 (at your option) any later version. 11 * (at your option) any later version.
16 12 *
17 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,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details. 16 * GNU General Public License for more details.
21 17 *
22 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
23 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
25 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
26 The authors can be reached via e-mail at crossfire-devel@real-time.com
27*/ 22 */
28 23
29
30#include <global.h>
31#include <funcpoint.h>
32
33#include <loader.h>
34#ifndef WIN32 /* ---win32 exclude header */
35#include <unistd.h> 24#include <unistd.h>
36#endif /* win32 */ 25
26#include "global.h"
27#include "funcpoint.h"
28
29#include "loader.h"
37 30
38#include "path.h" 31#include "path.h"
39
40
41extern int nrofallocobjects,nroffreeobjects;
42
43/*
44 * Returns the mapstruct which has a name matching the given argument.
45 * return NULL if no match is found.
46 */
47
48mapstruct *has_been_loaded (const char *name) {
49 mapstruct *map;
50
51 if (!name || !*name)
52 return 0;
53 for (map = first_map; map; map = map->next)
54 if (!strcmp (name, map->path))
55 break;
56 return (map);
57}
58
59/*
60 * This makes a path absolute outside the world of Crossfire.
61 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
62 * and returns the pointer to a static array containing the result.
63 * it really should be called create_mapname
64 */
65
66const char *create_pathname (const char *name) {
67 static char buf[MAX_BUF];
68
69 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
70 * someplace else in the code? msw 2-17-97
71 */
72 if (*name == '/')
73 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
74 else
75 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);
76 return (buf);
77}
78
79/*
80 * same as create_pathname, but for the overlay maps.
81 */
82
83const char *create_overlay_pathname (const char *name) {
84 static char buf[MAX_BUF];
85
86 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
87 * someplace else in the code? msw 2-17-97
88 */
89 if (*name == '/')
90 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
91 else
92 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
93 return (buf);
94}
95
96/*
97 * same as create_pathname, but for the template maps.
98 */
99
100const char *create_template_pathname (const char *name) {
101 static char buf[MAX_BUF];
102
103 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
104 * someplace else in the code? msw 2-17-97
105 */
106 if (*name == '/')
107 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
108 else
109 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
110 return (buf);
111}
112
113/*
114 * This makes absolute path to the itemfile where unique objects
115 * will be saved. Converts '/' to '@'. I think it's essier maintain
116 * files than full directory structure, but if this is problem it can
117 * be changed.
118 */
119static const char *create_items_path (const char *s) {
120 static char buf[MAX_BUF];
121 char *t;
122
123 if (*s == '/')
124 s++;
125
126 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
127
128 for (t=buf+strlen(buf); *s; s++,t++)
129 if (*s == '/')
130 *t = '@';
131 else
132 *t = *s;
133 *t = 0;
134 return (buf);
135}
136
137
138/*
139 * This function checks if a file with the given path exists.
140 * -1 is returned if it fails, otherwise the mode of the file
141 * is returned.
142 * It tries out all the compression suffixes listed in the uncomp[] array.
143 *
144 * If prepend_dir is set, then we call create_pathname (which prepends
145 * libdir & mapdir). Otherwise, we assume the name given is fully
146 * complete.
147 * Only the editor actually cares about the writablity of this -
148 * the rest of the code only cares that the file is readable.
149 * when the editor goes away, the call to stat should probably be
150 * replaced by an access instead (similar to the windows one, but
151 * that seems to be missing the prepend_dir processing
152 */
153
154int check_path (const char *name, int prepend_dir)
155{
156 char buf[MAX_BUF];
157#ifndef WIN32
158 char *endbuf;
159 struct stat statbuf;
160 int mode = 0, i;
161#endif
162
163 if (prepend_dir)
164 strcpy (buf, create_pathname(name));
165 else
166 strcpy(buf, name);
167#ifdef WIN32 /* ***win32: check this sucker in windows style. */
168 return(_access(buf,0));
169#else
170
171 /* old method (strchr(buf, '\0')) seemd very odd to me -
172 * this method should be equivalant and is clearer.
173 * Can not use strcat because we need to cycle through
174 * all the names.
175 */
176 endbuf = buf + strlen(buf);
177
178 for (i = 0; i < NROF_COMPRESS_METHODS; i++) {
179 if (uncomp[i][0])
180 strcpy(endbuf, uncomp[i][0]);
181 else
182 *endbuf = '\0';
183 if (!stat (buf, &statbuf))
184 break;
185 }
186 if (i == NROF_COMPRESS_METHODS)
187 return (-1);
188 if (!S_ISREG (statbuf.st_mode))
189 return (-1);
190
191 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) ||
192 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) ||
193 (statbuf.st_mode & S_IROTH))
194 mode |= 4;
195
196 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) ||
197 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) ||
198 (statbuf.st_mode & S_IWOTH))
199 mode |= 2;
200
201 return (mode);
202#endif
203}
204
205/*
206 * Prints out debug-information about a map.
207 * Dumping these at llevError doesn't seem right, but is
208 * necessary to make sure the information is in fact logged.
209 */
210
211void dump_map(const mapstruct *m) {
212 LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory);
213 LOG(llevError,"Size: %dx%d Start: %d,%d\n",
214 MAP_WIDTH(m), MAP_HEIGHT(m),
215 MAP_ENTER_X(m), MAP_ENTER_Y(m));
216
217 if(m->msg!=NULL)
218 LOG(llevError,"Message:\n%s",m->msg);
219
220 if(m->maplore!=NULL)
221 LOG(llevError,"Lore:\n%s",m->maplore);
222
223 if(m->tmpname!=NULL)
224 LOG(llevError,"Tmpname: %s\n",m->tmpname);
225
226 LOG(llevError,"Difficulty: %d\n",m->difficulty);
227 LOG(llevError,"Darkness: %d\n",m->darkness);
228}
229
230/*
231 * Prints out debug-information about all maps.
232 * This basically just goes through all the maps and calls
233 * dump_map on each one.
234 */
235
236void dump_all_maps(void) {
237 mapstruct *m;
238 for(m=first_map;m!=NULL;m=m->next) {
239 dump_map(m);
240 }
241}
242 32
243/* This rolls up wall, blocks_magic, blocks_view, etc, all into 33/* This rolls up wall, blocks_magic, blocks_view, etc, all into
244 * one function that just returns a P_.. value (see map.h) 34 * one function that just returns a P_.. value (see map.h)
245 * it will also do map translation for tiled maps, returning 35 * it will also do map translation for tiled maps, returning
246 * new values into newmap, nx, and ny. Any and all of those 36 * new values into newmap, nx, and ny. Any and all of those
… …
248 * by a P_NEW_MAP value, another call to get_map_from_coord 38 * by a P_NEW_MAP value, another call to get_map_from_coord
249 * is needed. The case of not passing values is if we're just 39 * is needed. The case of not passing values is if we're just
250 * checking for the existence of something on those spaces, but 40 * checking for the existence of something on those spaces, but
251 * don't expect to insert/remove anything from those spaces. 41 * don't expect to insert/remove anything from those spaces.
252 */ 42 */
43int
253int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 44get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
254{ 45{
255 sint16 newx, newy;
256 int retval=0;
257 mapstruct *mp;
258
259 if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP;
260 newx = x; 46 sint16 newx = x;
261 newy = y; 47 sint16 newy = y;
48
262 mp = get_map_from_coord(oldmap, &newx, &newy); 49 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
263 if (mp != oldmap) 50
264 retval |= P_NEW_MAP; 51 if (!mp)
52 return P_OUT_OF_MAP;
53
265 if (newmap) *newmap = mp; 54 if (newmap) *newmap = mp;
266 if (nx) *nx = newx; 55 if (nx) *nx = newx;
267 if (ny) *ny = newy; 56 if (ny) *ny = newy;
268 retval |= mp->spaces[newx + mp->width * newy].flags;
269 57
270 if (retval & P_SAFE) 58 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
271 retval |= P_NO_MAGIC | P_NO_CLERIC; // P_SAFE does imply these
272
273 return retval;
274} 59}
275
276 60
277/* 61/*
278 * Returns true if the given coordinate is blocked except by the 62 * Returns true if the given coordinate is blocked except by the
279 * object passed is not blocking. This is used with 63 * object passed is not blocking. This is used with
280 * multipart monsters - if we want to see if a 2x2 monster 64 * multipart monsters - if we want to see if a 2x2 monster
… …
284 * monster. 68 * monster.
285 * m, x, y are the target map/coordinates - needed for map tiling. 69 * m, x, y are the target map/coordinates - needed for map tiling.
286 * the coordinates & map passed in should have been updated for tiling 70 * the coordinates & map passed in should have been updated for tiling
287 * by the caller. 71 * by the caller.
288 */ 72 */
289 73int
290int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 74blocked_link (object *ob, maptile *m, int sx, int sy)
75{
291 object *tmp; 76 object *tmp;
292 int mflags, blocked; 77 int mflags, blocked;
293 78
294 /* Make sure the coordinates are valid - they should be, as caller should 79 /* Make sure the coordinates are valid - they should be, as caller should
295 * have already checked this. 80 * have already checked this.
296 */ 81 */
297 if (OUT_OF_REAL_MAP(m, sx, sy)) { 82 if (OUT_OF_REAL_MAP (m, sx, sy))
83 {
298 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 84 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
299 return 1; 85 return 1;
300 } 86 }
301 87
302 /* Save some cycles - instead of calling get_map_flags(), just get the value 88 /* Save some cycles - instead of calling get_map_flags(), just get the value
303 * directly. 89 * directly.
304 */ 90 */
305 mflags = m->spaces[sx + m->width * sy].flags; 91 mflags = m->at (sx, sy).flags ();
306 92
307 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 93 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
308 94
309 /* If space is currently not blocked by anything, no need to 95 /* If space is currently not blocked by anything, no need to
310 * go further. Not true for players - all sorts of special 96 * go further. Not true for players - all sorts of special
311 * things we need to do for players. 97 * things we need to do for players.
312 */ 98 */
313 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 99 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
314
315 /* if there isn't anytyhing alive on this space, and this space isn't
316 * otherwise blocked, we can return now. Only if there is a living
317 * creature do we need to investigate if it is part of this creature
318 * or another. Likewise, only if something is blocking us do we
319 * need to investigate if there is a special circumstance that would
320 * let the player through (inventory checkers for example)
321 */
322 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0;
323
324 if(ob->head != NULL)
325 ob=ob->head;
326
327 /* We basically go through the stack of objects, and if there is
328 * some other object that has NO_PASS or FLAG_ALIVE set, return
329 * true. If we get through the entire stack, that must mean
330 * ob is blocking it, so return 0.
331 */
332 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) {
333
334 /* This must be before the checks below. Code for inventory checkers. */
335 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) {
336 /* If last_sp is set, the player/monster needs an object,
337 * so we check for it. If they don't have it, they can't
338 * pass through this space.
339 */
340 if (tmp->last_sp) {
341 if (check_inv_recursive(ob,tmp)==NULL)
342 return 1;
343 else
344 continue;
345 } else {
346 /* In this case, the player must not have the object -
347 * if they do, they can't pass through.
348 */
349 if (check_inv_recursive(ob,tmp)!=NULL) /* player has object */
350 return 1;
351 else
352 continue;
353 }
354 } /* if check_inv */
355 else {
356 /* Broke apart a big nasty if into several here to make
357 * this more readable. first check - if the space blocks
358 * movement, can't move here.
359 * second - if a monster, can't move there, unles it is a
360 * hidden dm
361 */
362 if (OB_MOVE_BLOCK(ob, tmp)) return 1;
363 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
364 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden))
365 return 1;
366 }
367
368 }
369 return 0; 100 return 0;
370}
371 101
102 /* if there isn't anytyhing alive on this space, and this space isn't
103 * otherwise blocked, we can return now. Only if there is a living
104 * creature do we need to investigate if it is part of this creature
105 * or another. Likewise, only if something is blocking us do we
106 * need to investigate if there is a special circumstance that would
107 * let the player through (inventory checkers for example)
108 */
109 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
110 return 0;
111
112 ob = ob->head_ ();
113
114 /* We basically go through the stack of objects, and if there is
115 * some other object that has NO_PASS or FLAG_ALIVE set, return
116 * true. If we get through the entire stack, that must mean
117 * ob is blocking it, so return 0.
118 */
119 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
120 {
121
122 /* This must be before the checks below. Code for inventory checkers. */
123 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
124 {
125 /* If last_sp is set, the player/monster needs an object,
126 * so we check for it. If they don't have it, they can't
127 * pass through this space.
128 */
129 if (tmp->last_sp)
130 {
131 if (check_inv_recursive (ob, tmp) == NULL)
132 return 1;
133 else
134 continue;
135 }
136 else
137 {
138 /* In this case, the player must not have the object -
139 * if they do, they can't pass through.
140 */
141 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
142 return 1;
143 else
144 continue;
145 }
146 } /* if check_inv */
147 else
148 {
149 /* Broke apart a big nasty if into several here to make
150 * this more readable. first check - if the space blocks
151 * movement, can't move here.
152 * second - if a monster, can't move there, unless it is a
153 * hidden dm
154 */
155 if (OB_MOVE_BLOCK (ob, tmp))
156 return 1;
157
158 if (tmp->flag [FLAG_ALIVE]
159 && tmp->head_ () != ob
160 && tmp != ob
161 && tmp->type != DOOR
162 && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
163 return 1;
164 }
165
166 }
167 return 0;
168}
372 169
373/* 170/*
374 * Returns true if the given object can't fit in the given spot. 171 * Returns true if the given object can't fit in the given spot.
375 * This is meant for multi space objects - for single space objecs, 172 * This is meant for multi space objects - for single space objecs,
376 * just calling get_map_blocked and checking that against movement type 173 * just calling get_map_blocked and checking that against movement type
… …
394 * 191 *
395 * Note this used to be arch_blocked, but with new movement 192 * Note this used to be arch_blocked, but with new movement
396 * code, we need to have actual object to check its move_type 193 * code, we need to have actual object to check its move_type
397 * against the move_block values. 194 * against the move_block values.
398 */ 195 */
399 196int
400int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 197ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
198{
401 archetype *tmp; 199 archetype *tmp;
402 int flag; 200 int flag;
403 mapstruct *m1; 201 maptile *m1;
404 sint16 sx, sy; 202 sint16 sx, sy;
405 203
406 if(ob==NULL) { 204 if (!ob)
205 {
407 flag= get_map_flags(m,&m1, x,y, &sx, &sy); 206 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
408 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 207 if (flag & P_OUT_OF_MAP)
208 return P_OUT_OF_MAP;
409 209
410 /* don't have object, so don't know what types would block */ 210 /* don't have object, so don't know what types would block */
411 return(GET_MAP_MOVE_BLOCK(m1, sx, sy)); 211 return m1->at (sx, sy).move_block;
212 }
213
214 for (tmp = ob->arch; tmp; tmp = (archetype *)tmp->more)
412 } 215 {
413
414 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) {
415 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 216 flag = get_map_flags (m, &m1, x + tmp->x, y + tmp->y, &sx, &sy);
416 217
417 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 218 if (flag & P_OUT_OF_MAP)
418 if (flag & P_IS_ALIVE) return P_IS_ALIVE; 219 return P_OUT_OF_MAP;
220 if (flag & P_IS_ALIVE)
221 return P_IS_ALIVE;
419 222
223 mapspace &ms = m1->at (sx, sy);
224
420 /* find_first_free_spot() calls this function. However, often 225 /* find_first_free_spot() calls this function. However, often
421 * ob doesn't have any move type (when used to place exits) 226 * ob doesn't have any move type (when used to place exits)
422 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 227 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
423 */ 228 */
424 229
425 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue; 230 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
231 continue;
426 232
427 /* Note it is intentional that we check ob - the movement type of the 233 /* Note it is intentional that we check ob - the movement type of the
428 * head of the object should correspond for the entire object. 234 * head of the object should correspond for the entire object.
429 */ 235 */
430 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 236 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
431 return AB_NO_PASS; 237 return P_NO_PASS;
432
433 } 238 }
239
434 return 0; 240 return 0;
435} 241}
436 242
437/* When the map is loaded, load_object does not actually insert objects 243/* When the map is loaded, load_object does not actually insert objects
438 * into inventory, but just links them. What this does is go through 244 * into inventory, but just links them. What this does is go through
439 * and insert them properly. 245 * and insert them properly.
440 * The object 'container' is the object that contains the inventory. 246 * The object 'container' is the object that contains the inventory.
441 * This is needed so that we can update the containers weight. 247 * This is needed so that we can update the containers weight.
442 */ 248 */
443 249void
444void fix_container(object *container) 250fix_container (object *container)
445{ 251{
446 object *tmp=container->inv, *next; 252 object *tmp = container->inv, *next;
447 253
448 container->inv=NULL; 254 container->inv = 0;
449 while (tmp!=NULL) { 255 while (tmp)
256 {
450 next = tmp->below; 257 next = tmp->below;
451 if (tmp->inv) 258 if (tmp->inv)
452 fix_container(tmp); 259 fix_container (tmp);
260
453 (void) insert_ob_in_ob(tmp,container); 261 insert_ob_in_ob (tmp, container);
454 tmp = next; 262 tmp = next;
455 } 263 }
264
456 /* sum_weight will go through and calculate what all the containers are 265 /* sum_weight will go through and calculate what all the containers are
457 * carrying. 266 * carrying.
458 */ 267 */
459 sum_weight(container); 268 sum_weight (container);
269}
270
271void
272maptile::set_object_flag (int flag, int value)
273{
274 if (!spaces)
275 return;
276
277 for (mapspace *ms = spaces + size (); ms-- > spaces; )
278 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
279 tmp->flag [flag] = value;
460} 280}
461 281
462/* link_multipart_objects go through all the objects on the map looking 282/* link_multipart_objects go through all the objects on the map looking
463 * for objects whose arch says they are multipart yet according to the 283 * for objects whose arch says they are multipart yet according to the
464 * info we have, they only have the head (as would be expected when 284 * info we have, they only have the head (as would be expected when
465 * they are saved). We do have to look for the old maps that did save 285 * they are saved).
466 * the more sections and not re-add sections for them.
467 */ 286 */
468 287void
469static void link_multipart_objects(mapstruct *m) 288maptile::link_multipart_objects ()
470{ 289{
471 int x,y; 290 if (!spaces)
472 object *tmp, *op, *last, *above; 291 return;
473 archetype *at;
474 292
475 for(x=0;x<MAP_WIDTH(m);x++) 293 for (mapspace *ms = spaces + size (); ms-- > spaces; )
476 for(y=0;y<MAP_HEIGHT(m);y++) 294 {
477 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 295 object *op = ms->bot;
478 above=tmp->above; 296 while (op)
479 297 {
480 /* already multipart - don't do anything more */ 298 /* already multipart - don't do anything more */
481 if (tmp->head || tmp->more) continue; 299 if (op->head_ () == op && !op->more && op->arch->more)
300 {
301 op->remove ();
302 op->expand_tail ();
482 303
483 /* If there is nothing more to this object, this for loop 304 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
484 * won't do anything. 305 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
485 */ 306 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
486 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) { 307 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
487 op = arch_to_object(at);
488 308
489 /* update x,y coordinates */ 309 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
490 op->x += tmp->x; 310 // so we have to reset the iteration through the mapspace
491 op->y += tmp->y; 311 }
492 op->head = tmp; 312 else
493 op->map = m; 313 op = op->above;
494 last->more = op; 314 }
495 if (tmp->name != op->name) {
496 if (op->name) free_string(op->name);
497 op->name = add_string(tmp->name);
498 } 315 }
499 if (tmp->title != op->title) {
500 if (op->title) free_string(op->title);
501 op->title = add_string(tmp->title);
502 }
503 /* we could link all the parts onto tmp, and then just
504 * call insert_ob_in_map once, but the effect is the same,
505 * as insert_ob_in_map will call itself with each part, and
506 * the coding is simpler to just to it here with each part.
507 */
508 insert_ob_in_map(op, op->map, tmp,INS_NO_MERGE|INS_ABOVE_FLOOR_ONLY|INS_NO_WALK_ON);
509 } /* for at = tmp->arch->more */
510 } /* for objects on this space */
511} 316}
512
513
514 317
515/* 318/*
516 * Loads (ands parses) the objects into a given map from the specified 319 * Loads (ands parses) the objects into a given map from the specified
517 * file pointer. 320 * file pointer.
518 * mapflags is the same as we get with load_original_map
519 */
520
521void load_objects (mapstruct *m, FILE *fp, int mapflags) {
522 int i,j,bufstate=LO_NEWFILE;
523 int unique;
524 object *op, *prev=NULL,*last_more=NULL, *otmp;
525
526 op=get_object();
527 op->map = m; /* To handle buttons correctly */
528
529 while((i=load_object(fp,op,bufstate, mapflags))) {
530 /* Since the loading of the map header does not load an object
531 * anymore, we need to pass LO_NEWFILE for the first object loaded,
532 * and then switch to LO_REPEAT for faster loading.
533 */ 321 */
534 bufstate = LO_REPEAT; 322bool
323maptile::_load_objects (object_thawer &f)
324{
325 for (;;)
326 {
327 coroapi::cede_to_tick_every (100); // cede once in a while
535 328
536 /* if the archetype for the object is null, means that we 329 switch (f.kw)
537 * got an invalid object. Don't do anything with it - the game 330 {
538 * or editor will not be able to do anything with it either. 331 case KW_arch:
539 */ 332 if (object *op = object::read (f, this))
540 if (op->arch==NULL) { 333 {
541 LOG(llevDebug,"Discarding object without arch: %s\n", op->name?op->name:"(null)"); 334 if (op->inv)
542 continue; 335 sum_weight (op);
543 }
544 336
545
546 switch(i) {
547 case LL_NORMAL:
548 /* if we are loading an overlay, put the floors on the bottom */
549 if ((QUERY_FLAG(op, FLAG_IS_FLOOR) ||
550 QUERY_FLAG(op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
551 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
552 else
553 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); 337 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
338 }
554 339
555 if (op->inv) 340 continue;
556 sum_weight(op);
557 341
558 prev=op,last_more=op; 342 case KW_EOF:
559 break; 343 return true;
560 344
561 case LL_MORE: 345 default:
562 insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 346 if (!f.parse_error ("map file"))
563 op->head=prev,last_more->more=op,last_more=op; 347 return false;
564 break; 348 break;
565 } 349 }
566 if (mapflags & MAP_STYLE) { 350
567 remove_from_active_list(op); 351 f.next ();
568 } 352 }
569 op=get_object(); 353
570 op->map = m; 354 return true;
355}
356
357void
358maptile::activate ()
359{
360 active = true;
361
362 if (spaces)
363 for (mapspace *ms = spaces + size (); ms-- > spaces; )
364 for (object *op = ms->bot; op; op = op->above)
365 op->activate_recursive ();
366}
367
368void
369maptile::deactivate ()
370{
371 active = false;
372
373 if (spaces)
374 for (mapspace *ms = spaces + size (); ms-- > spaces; )
375 for (object *op = ms->bot; op; op = op->above)
376 op->deactivate_recursive ();
377}
378
379bool
380maptile::_save_objects (object_freezer &f, int flags)
381{
382 coroapi::cede_to_tick ();
383
384 if (flags & IO_HEADER)
385 _save_header (f);
386
387 if (!spaces)
388 return false;
389
390 for (int i = 0; i < size (); ++i)
571 } 391 {
572 for (i=0;i<m->width;i++){ 392 int unique = 0;
573 for (j=0;j<m->height;j++){ 393 for (object *op = spaces [i].bot; op; op = op->above)
394 {
395 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
574 unique =0; 396 unique = 1;
575 /* check for unique items, or unique squares */ 397
576 for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) { 398 if (!op->can_map_save ())
577 if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL)) 399 continue;
578 unique = 1; 400
579 if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique)) 401 if (unique || op->flag [FLAG_UNIQUE])
580 SET_FLAG(otmp, FLAG_OBJ_ORIGINAL); 402 {
403 if (flags & IO_UNIQUES)
404 op->write (f);
405 }
406 else if (flags & IO_OBJECTS)
407 op->write (f);
408 }
581 } 409 }
582 } 410
411 coroapi::cede_to_tick ();
412
413 return true;
414}
415
416bool
417maptile::_load_objects (const char *path, bool skip_header)
418{
419 object_thawer f (path);
420
421 if (!f)
422 return false;
423
424 f.next ();
425
426 if (skip_header)
427 for (;;)
428 {
429 keyword kw = f.kw;
430 f.skip ();
431 if (kw == KW_end)
432 break;
583 } 433 }
584 free_object(op);
585 link_multipart_objects(m);
586}
587 434
588/* This saves all the objects on the map in a non destructive fashion. 435 return _load_objects (f);
589 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 436}
590 * and we only save the head of multi part objects - this is needed 437
591 * in order to do map tiling properly. 438bool
439maptile::_save_objects (const char *path, int flags)
440{
441 object_freezer freezer;
442
443 if (!_save_objects (freezer, flags))
444 return false;
445
446 return freezer.save (path);
447}
448
449maptile::maptile ()
450{
451 in_memory = MAP_SWAPPED;
452
453 /* The maps used to pick up default x and y values from the
454 * map archetype. Mimic that behaviour.
592 */ 455 */
593void save_objects (mapstruct *m, FILE *fp, FILE *fp2, int flag) { 456 width = 16;
594 int i, j = 0,unique=0; 457 height = 16;
595 object *op; 458 timeout = 300;
596 /* first pass - save one-part objects */ 459 max_nrof = 1000; // 1000 items of anything
597 for(i = 0; i < MAP_WIDTH(m); i++) 460 max_volume = 2000000; // 2m³
598 for (j = 0; j < MAP_HEIGHT(m); j++) { 461}
599 unique=0;
600 for(op = get_map_ob (m, i, j); op; op = op->above) {
601 if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE))
602 unique=1;
603 462
604 if(op->type == PLAYER) { 463maptile::maptile (int w, int h)
605 LOG(llevDebug, "Player on map that is being saved\n"); 464{
606 continue; 465 in_memory = MAP_SWAPPED;
607 }
608 466
609 if (op->head || op->owner) 467 width = w;
610 continue; 468 height = h;
469 reset_timeout = 0;
470 timeout = 300;
471 enter_x = 0;
472 enter_y = 0;
611 473
612 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 474 alloc ();
613 save_object( fp2 , op, 3);
614 else
615 if (flag == 0 ||
616 (flag == 2 && (!QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) &&
617 !QUERY_FLAG(op, FLAG_UNPAID))))
618 save_object(fp, op, 3);
619
620 } /* for this space */
621 } /* for this j */
622} 475}
623 476
624/* 477/*
625 * Allocates, initialises, and returns a pointer to a mapstruct.
626 * Modified to no longer take a path option which was not being
627 * used anyways. MSW 2001-07-01
628 */
629
630mapstruct *get_linked_map(void) {
631 mapstruct *map=(mapstruct *) calloc(1,sizeof(mapstruct));
632 mapstruct *mp;
633
634 if(map==NULL)
635 fatal(OUT_OF_MEMORY);
636
637 for(mp=first_map;mp!=NULL&&mp->next!=NULL;mp=mp->next);
638 if(mp==NULL)
639 first_map=map;
640 else
641 mp->next=map;
642
643 map->in_memory=MAP_SWAPPED;
644 /* The maps used to pick up default x and y values from the
645 * map archetype. Mimic that behaviour.
646 */
647 MAP_WIDTH(map)=16;
648 MAP_HEIGHT(map)=16;
649 MAP_RESET_TIMEOUT(map)=0;
650 MAP_TIMEOUT(map)=300;
651 MAP_ENTER_X(map)=0;
652 MAP_ENTER_Y(map)=0;
653 /*set part to -1 indicating conversion to weather map not yet done*/
654 MAP_WORLDPARTX(map)=-1;
655 MAP_WORLDPARTY(map)=-1;
656 return map;
657}
658
659/*
660 * Allocates the arrays contained in a mapstruct. 478 * Allocates the arrays contained in a maptile.
661 * This basically allocates the dynamic array of spaces for the 479 * This basically allocates the dynamic array of spaces for the
662 * map. 480 * map.
663 */ 481 */
664 482void
665void allocate_map(mapstruct *m) { 483maptile::alloc ()
666 m->in_memory = MAP_IN_MEMORY; 484{
667 /* Log this condition and free the storage. We could I suppose
668 * realloc, but if the caller is presuming the data will be intact,
669 * that is their poor assumption.
670 */
671 if (m->spaces) { 485 if (spaces)
672 LOG(llevError,"allocate_map called with already allocated map (%s)\n", m->path);
673 free(m->spaces);
674 }
675
676 m->spaces = (MapSpace *) calloc(1, MAP_WIDTH(m) * MAP_HEIGHT(m) * sizeof(MapSpace));
677
678 if(m->spaces==NULL)
679 fatal(OUT_OF_MEMORY);
680}
681
682/* Create and returns a map of the specific size. Used
683 * in random map code and the editor.
684 */
685mapstruct *get_empty_map(int sizex, int sizey) {
686 mapstruct *m = get_linked_map();
687 m->width = sizex;
688 m->height = sizey;
689 m->in_memory = MAP_SWAPPED;
690 allocate_map(m);
691 return m; 486 return;
487
488 spaces = salloc0<mapspace> (size ());
692} 489}
693 490
694/* Takes a string from a map definition and outputs a pointer to the array of shopitems 491/* Takes a string from a map definition and outputs a pointer to the array of shopitems
695 * corresponding to that string. Memory is allocated for this, it must be freed 492 * corresponding to that string. Memory is allocated for this, it must be freed
696 * at a later date. 493 * at a later date.
697 * Called by parse_map_headers below. 494 * Called by parse_map_headers below.
698 */ 495 */
699 496static shopitems *
700static shopitems *parse_shop_string (const char *input_string) { 497parse_shop_string (const char *input_string)
498{
701 char *shop_string, *p, *q, *next_semicolon, *next_colon; 499 char *shop_string, *p, *q, *next_semicolon, *next_colon;
702 shopitems *items=NULL; 500 shopitems *items = NULL;
703 int i=0, number_of_entries=0; 501 int i = 0, number_of_entries = 0;
704 const typedata *current_type; 502 const typedata *current_type;
705 503
706 shop_string=strdup_local(input_string); 504 shop_string = strdup (input_string);
707 p=shop_string; 505 p = shop_string;
708 /* first we'll count the entries, we'll need that for allocating the array shortly */ 506 /* first we'll count the entries, we'll need that for allocating the array shortly */
709 while (p) { 507 while (p)
508 {
710 p=strchr(p, ';'); 509 p = strchr (p, ';');
711 number_of_entries++; 510 number_of_entries++;
712 if (p) p++; 511 if (p)
512 p++;
713 } 513 }
514
714 p=shop_string; 515 p = shop_string;
715 strip_endline(p); 516 strip_endline (p);
716 items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); 517 items = new shopitems[number_of_entries + 1];
717 memset(items, 0, (sizeof(shopitems) * number_of_entries+1));
718 for (i=0; i<number_of_entries; i++) { 518 for (i = 0; i < number_of_entries; i++)
719 if (!p) { 519 {
520 if (!p)
521 {
720 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 522 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
721 break; 523 break;
722 }
723 next_semicolon=strchr(p, ';');
724 next_colon=strchr(p, ':');
725 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
726 if (next_colon &&( !next_semicolon || next_colon<next_semicolon))
727 items[i].strength=atoi(strchr(p,':')+1);
728
729 if (isdigit(*p) || *p=='*') {
730 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */
731 current_type=get_typedata(items[i].typenum);
732 if (current_type) {
733 items[i].name=current_type->name;
734 items[i].name_pl=current_type->name_pl;
735 }
736 }
737 else { /*we have a named type, let's figure out what it is */
738 q=strpbrk(p,";:");
739 if (q) *q='\0';
740
741 current_type=get_typedata_by_name(p);
742 if (current_type) {
743 items[i].name=current_type->name;
744 items[i].typenum=current_type->number;
745 items[i].name_pl=current_type->name_pl;
746 }
747 else { /* oh uh, something's wrong, let's free up this one, and try
748 * the next entry while we're at it, better print a warning
749 */
750 LOG(llevError, "invalid type %s defined in shopitems in string %s\n",
751 p, input_string);
752 }
753 } 524 }
525
526 next_semicolon = strchr (p, ';');
527 next_colon = strchr (p, ':');
528 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
529 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
530 items[i].strength = atoi (strchr (p, ':') + 1);
531
532 if (isdigit (*p) || *p == '*')
533 {
534 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
535 current_type = get_typedata (items[i].typenum);
536 if (current_type)
537 {
538 items[i].name = current_type->name;
539 items[i].name_pl = current_type->name_pl;
540 }
541 }
542 else
543 { /*we have a named type, let's figure out what it is */
544 q = strpbrk (p, ";:");
545 if (q)
546 *q = '\0';
547
548 current_type = get_typedata_by_name (p);
549 if (current_type)
550 {
551 items[i].name = current_type->name;
552 items[i].typenum = current_type->number;
553 items[i].name_pl = current_type->name_pl;
554 }
555 else
556 { /* oh uh, something's wrong, let's free up this one, and try
557 * the next entry while we're at it, better print a warning
558 */
559 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
560 }
561 }
562
754 items[i].index=number_of_entries; 563 items[i].index = number_of_entries;
755 if (next_semicolon) p=++next_semicolon; 564 if (next_semicolon)
756 else p=NULL; 565 p = ++next_semicolon;
566 else
567 p = NULL;
757 } 568 }
569
758 free(shop_string); 570 free (shop_string);
759 return items; 571 return items;
760} 572}
761 573
762/* opposite of parse string, this puts the string that was originally fed in to 574/* opposite of parse string, this puts the string that was originally fed in to
763 * the map (or something equivilent) into output_string. */ 575 * the map (or something equivilent) into output_string. */
576static void
764static void print_shop_string(mapstruct *m, char *output_string) { 577print_shop_string (maptile *m, char *output_string)
578{
765 int i; 579 int i;
766 char tmp[MAX_BUF]; 580 char tmp[MAX_BUF];
581
767 strcpy(output_string, ""); 582 strcpy (output_string, "");
768 for (i=0; i< m->shopitems[0].index; i++) { 583 for (i = 0; i < m->shopitems[0].index; i++)
584 {
769 if (m->shopitems[i].typenum) { 585 if (m->shopitems[i].typenum)
586 {
770 if (m->shopitems[i].strength) { 587 if (m->shopitems[i].strength)
771 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 588 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
772 } 589 else
773 else sprintf(tmp, "%s;", m->shopitems[i].name); 590 sprintf (tmp, "%s;", m->shopitems[i].name);
774 } 591 }
775 else { 592 else
593 {
776 if (m->shopitems[i].strength) { 594 if (m->shopitems[i].strength)
777 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 595 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
778 } 596 else
779 else sprintf(tmp, "*"); 597 sprintf (tmp, "*");
780 } 598 }
599
781 strcat(output_string, tmp); 600 strcat (output_string, tmp);
782 } 601 }
783} 602}
784 603
785/* This loads the header information of the map. The header 604/* This loads the header information of the map. The header
786 * contains things like difficulty, size, timeout, etc. 605 * contains things like difficulty, size, timeout, etc.
… …
790 * put all the stuff in the map object so that names actually make 609 * put all the stuff in the map object so that names actually make
791 * sense. 610 * sense.
792 * This could be done in lex (like the object loader), but I think 611 * This could be done in lex (like the object loader), but I think
793 * currently, there are few enough fields this is not a big deal. 612 * currently, there are few enough fields this is not a big deal.
794 * MSW 2001-07-01 613 * MSW 2001-07-01
795 * return 0 on success, 1 on failure.
796 */ 614 */
797 615bool
798static int load_map_header(FILE *fp, mapstruct *m) 616maptile::_load_header (object_thawer &thawer)
799{ 617{
800 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 618 for (;;)
801 int msgpos=0; 619 {
802 int maplorepos=0; 620 thawer.next ();
803 621
804 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 622 switch (thawer.kw)
805 buf[HUGE_BUF-1] = 0; 623 {
806 key = buf; 624 case KW_msg:
807 while (isspace(*key)) key++; 625 thawer.get_ml (KW_endmsg, msg);
808 if (*key == 0) continue; /* empty line */ 626 break;
809 value = strchr(key, ' '); 627
810 if (!value) { 628 case KW_lore: // CF+ extension
811 end = strchr(key, '\n'); 629 thawer.get_ml (KW_endlore, maplore);
812 if (end != NULL) { 630 break;
813 *end = 0; 631
632 case KW_maplore:
633 thawer.get_ml (KW_endmaplore, maplore);
634 break;
635
636 case KW_arch:
637 if (strcmp (thawer.get_str (), "map"))
638 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
639 break;
640
641 case KW_oid:
642 thawer.get (this, thawer.get_sint32 ());
643 break;
644
645 case KW_file_format_version: break; // nop
646
647 case KW_name: thawer.get (name); break;
648 case KW_attach: thawer.get (attach); break;
649 case KW_reset_time: thawer.get (reset_time); break;
650 case KW_shopgreed: thawer.get (shopgreed); break;
651 case KW_shopmin: thawer.get (shopmin); break;
652 case KW_shopmax: thawer.get (shopmax); break;
653 case KW_shoprace: thawer.get (shoprace); break;
654 case KW_outdoor: thawer.get (outdoor); break;
655 case KW_temp: thawer.get (temp); break;
656 case KW_pressure: thawer.get (pressure); break;
657 case KW_humid: thawer.get (humid); break;
658 case KW_windspeed: thawer.get (windspeed); break;
659 case KW_winddir: thawer.get (winddir); break;
660 case KW_sky: thawer.get (sky); break;
661
662 case KW_per_player: thawer.get (per_player); break;
663 case KW_per_party: thawer.get (per_party); break;
664 case KW_no_reset: thawer.get (no_reset); break;
665
666 case KW_region: default_region = region::find (thawer.get_str ()); break;
667 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
668
669 // old names new names
670 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
671 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
672 case KW_x: case KW_width: thawer.get (width); break;
673 case KW_y: case KW_height: thawer.get (height); break;
674 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
675 case KW_value: case KW_swap_time: thawer.get (timeout); break;
676 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
677 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
678 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
679
680 case KW_tile_path_1: thawer.get (tile_path [0]); break;
681 case KW_tile_path_2: thawer.get (tile_path [1]); break;
682 case KW_tile_path_3: thawer.get (tile_path [2]); break;
683 case KW_tile_path_4: thawer.get (tile_path [3]); break;
684
685 case KW_ERROR:
686 set_key (thawer.kw_str, thawer.value);
687 break;
688
689 case KW_end:
690 return true;
691
692 default:
693 if (!thawer.parse_error ("map", 0))
694 return false;
695 break;
696 }
814 } 697 }
815 } else {
816 *value = 0;
817 value++;
818 end = strchr(value, '\n');
819 while (isspace(*value)) {
820 value++;
821 if (*value == '\0' || value == end) {
822 /* Nothing but spaces. */
823 value = NULL;
824 break;
825 }
826 }
827 }
828 if (!end) {
829 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n",
830 buf);
831 return 1;
832 }
833
834 698
835 /* key is the field name, value is what it should be set 699 abort ();
836 * to. We've already done the work to null terminate key, 700}
837 * and strip off any leading spaces for both of these.
838 * We have not touched the newline at the end of the line -
839 * these are needed for some values. the end pointer
840 * points to the first of the newlines.
841 * value could be NULL! It would be easy enough to just point
842 * this to "" to prevent cores, but that would let more errors slide
843 * through.
844 *
845 * First check for entries that do not use the value parameter, then
846 * validate that value is given and check for the remaining entries
847 * that use the parameter.
848 */
849 701
850 if (!strcmp(key,"msg")) { 702bool
851 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 703maptile::_load_header (const char *path)
852 if (!strcmp(buf,"endmsg\n")) break; 704{
853 else { 705 object_thawer thawer (path);
854 /* slightly more efficient than strcat */
855 strcpy(msgbuf+msgpos, buf);
856 msgpos += strlen(buf);
857 }
858 }
859 /* There are lots of maps that have empty messages (eg, msg/endmsg
860 * with nothing between). There is no reason in those cases to
861 * keep the empty message. Also, msgbuf contains garbage data
862 * when msgpos is zero, so copying it results in crashes
863 */
864 if (msgpos != 0)
865 m->msg = strdup_local(msgbuf);
866 }
867 else if (!strcmp(key,"maplore")) {
868 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
869 if (!strcmp(buf,"endmaplore\n")) break;
870 else {
871 /* slightly more efficient than strcat */
872 strcpy(maplorebuf+maplorepos, buf);
873 maplorepos += strlen(buf);
874 }
875 }
876 if (maplorepos != 0)
877 m->maplore = strdup_local(maplorebuf);
878 }
879 else if (!strcmp(key,"end")) {
880 break;
881 }
882 else if (value == NULL) {
883 LOG(llevError, "Got '%s' line without parameter in map header\n", key);
884 }
885 else if (!strcmp(key, "arch")) {
886 /* This is an oddity, but not something we care about much. */
887 if (strcmp(value,"map\n"))
888 LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value);
889 }
890 else if (!strcmp(key,"name")) {
891 *end=0;
892 m->name = strdup_local(value);
893 }
894 /* first strcmp value on these are old names supported
895 * for compatibility reasons. The new values (second) are
896 * what really should be used.
897 */
898 else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) {
899 m->enter_x = atoi(value);
900 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) {
901 m->enter_y = atoi(value);
902 } else if (!strcmp(key,"x") || !strcmp(key, "width")) {
903 m->width = atoi(value);
904 } else if (!strcmp(key,"y") || !strcmp(key, "height")) {
905 m->height = atoi(value);
906 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) {
907 m->reset_timeout = atoi(value);
908 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) {
909 m->timeout = atoi(value);
910 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) {
911 m->difficulty = atoi(value);
912 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) {
913 m->darkness = atoi(value);
914 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) {
915 m->fixed_resettime = atoi(value);
916 } else if (!strcmp(key,"unique")) {
917 m->unique = atoi(value);
918 } else if (!strcmp(key,"template")) {
919 m->templatemap = atoi(value);
920 } else if (!strcmp(key,"region")) {
921 m->region = get_region_by_name(value);
922 } else if (!strcmp(key,"shopitems")) {
923 *end=0;
924 m->shopitems = parse_shop_string(value);
925 } else if (!strcmp(key,"shopgreed")) {
926 m->shopgreed = atof(value);
927 } else if (!strcmp(key,"shopmin")) {
928 m->shopmin = atol(value);
929 } else if (!strcmp(key,"shopmax")) {
930 m->shopmax = atol(value);
931 } else if (!strcmp(key,"shoprace")) {
932 *end=0;
933 m->shoprace = strdup_local(value);
934 } else if (!strcmp(key,"outdoor")) {
935 m->outdoor = atoi(value);
936 } else if (!strcmp(key, "temp")) {
937 m->temp = atoi(value);
938 } else if (!strcmp(key, "pressure")) {
939 m->pressure = atoi(value);
940 } else if (!strcmp(key, "humid")) {
941 m->humid = atoi(value);
942 } else if (!strcmp(key, "windspeed")) {
943 m->windspeed = atoi(value);
944 } else if (!strcmp(key, "winddir")) {
945 m->winddir = atoi(value);
946 } else if (!strcmp(key, "sky")) {
947 m->sky = atoi(value);
948 } else if (!strcmp(key, "nosmooth")) {
949 m->nosmooth = atoi(value);
950 } else if (!strcmp(key, "safe_map")) {
951 m->safe_map = atoi(value);
952 }
953 else if (!strncmp(key,"tile_path_", 10)) {
954 int tile=atoi(key+10);
955 706
956 if (tile<1 || tile>4) { 707 if (!thawer)
957 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n",
958 tile, m->path);
959 } else {
960 char *path;
961
962 *end = 0;
963
964 if (m->tile_path[tile-1]) {
965 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n",
966 tile, m->path);
967 free(m->tile_path[tile-1]);
968 m->tile_path[tile-1] = NULL;
969 }
970
971 if (check_path(value, 1) != -1) {
972 /* The unadorned path works. */
973 path = value;
974 } else {
975 /* Try again; it could be a relative exit. */
976
977 path = path_combine_and_normalize(m->path, value);
978
979 if (check_path(path, 1) == -1) {
980 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
981 path = NULL;
982 }
983 }
984
985 if (editor) {
986 /* Use the value as in the file. */
987 m->tile_path[tile-1] = strdup_local(value);
988 } else if (path != NULL) {
989 /* Use the normalized value. */
990 m->tile_path[tile-1] = strdup_local(path);
991 }
992 } /* end if tile direction (in)valid */
993 }
994 else {
995 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value);
996 }
997 }
998 if (!key || strcmp(key,"end")) {
999 LOG(llevError,"Got premature eof on map header!\n");
1000 return 1;
1001 }
1002 return 0; 708 return false;
1003}
1004 709
1005/* 710 return _load_header (thawer);
1006 * Opens the file "filename" and reads information about the map
1007 * from the given file, and stores it in a newly allocated
1008 * mapstruct. A pointer to this structure is returned, or NULL on failure.
1009 * flags correspond to those in map.h. Main ones used are
1010 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1011 * MAP_BLOCK, in which case we block on this load. This happens in all
1012 * cases, no matter if this flag is set or not.
1013 * MAP_STYLE: style map - don't add active objects, don't add to server
1014 * managed map list.
1015 */
1016
1017mapstruct *load_original_map(const char *filename, int flags) {
1018 FILE *fp;
1019 mapstruct *m;
1020 int comp;
1021 char pathname[MAX_BUF];
1022
1023 LOG(llevDebug, "load_original_map: %s (%x)\n", filename,flags);
1024 if (flags & MAP_PLAYER_UNIQUE)
1025 strcpy(pathname, filename);
1026 else if (flags & MAP_OVERLAY)
1027 strcpy(pathname, create_overlay_pathname(filename));
1028 else
1029 strcpy(pathname, create_pathname(filename));
1030
1031 if((fp=open_and_uncompress(pathname, 0, &comp))==NULL) {
1032 LOG(llevError, "Can't open %s: %s\n", pathname, strerror_local(errno));
1033 return (NULL);
1034 }
1035
1036 m = get_linked_map();
1037
1038 strcpy (m->path, filename);
1039 if (load_map_header(fp, m)) {
1040 LOG(llevError,"Error loading map header for %s, flags=%d\n",
1041 filename, flags);
1042 delete_map(m);
1043 return NULL;
1044 }
1045
1046 allocate_map(m);
1047 m->compressed = comp;
1048
1049 m->in_memory=MAP_LOADING;
1050 load_objects (m, fp, flags & (MAP_BLOCK|MAP_STYLE));
1051 close_and_delete(fp, comp);
1052 m->in_memory=MAP_IN_MEMORY;
1053 if (!MAP_DIFFICULTY(m))
1054 MAP_DIFFICULTY(m)=calculate_difficulty(m);
1055 set_map_reset_time(m);
1056 INVOKE_MAP (LOAD, m);
1057 return (m);
1058}
1059
1060/*
1061 * Loads a map, which has been loaded earlier, from file.
1062 * Return the map object we load into (this can change from the passed
1063 * option if we can't find the original map)
1064 */
1065
1066static mapstruct *load_temporary_map(mapstruct *m) {
1067 FILE *fp;
1068 int comp;
1069 char buf[MAX_BUF];
1070
1071 if (!m->tmpname) {
1072 LOG(llevError, "No temporary filename for map %s\n", m->path);
1073 strcpy(buf, m->path);
1074 delete_map(m);
1075 m = load_original_map(buf, 0);
1076 if(m==NULL) return NULL;
1077 fix_auto_apply(m); /* Chests which open as default */
1078 return m;
1079 }
1080
1081 if((fp=open_and_uncompress(m->tmpname,0, &comp))==NULL) {
1082 LOG(llevError, "Cannot open %s: %s\n",m->tmpname, strerror_local(errno));
1083 strcpy(buf, m->path);
1084 delete_map(m);
1085 m = load_original_map(buf, 0);
1086 if(m==NULL) return NULL;
1087 fix_auto_apply(m); /* Chests which open as default */
1088 return m;
1089 }
1090
1091
1092 if (load_map_header(fp, m)) {
1093 LOG(llevError,"Error loading map header for %s (%s)\n",
1094 m->path, m->tmpname);
1095 delete_map(m);
1096 m = load_original_map(m->path, 0);
1097 return NULL;
1098 }
1099 m->compressed = comp;
1100 allocate_map(m);
1101
1102 m->in_memory=MAP_LOADING;
1103 load_objects (m, fp, 0);
1104 close_and_delete(fp, comp);
1105 m->in_memory=MAP_IN_MEMORY;
1106 INVOKE_MAP (SWAPIN, m);
1107 return m;
1108}
1109
1110/*
1111 * Loads a map, which has been loaded earlier, from file.
1112 * Return the map object we load into (this can change from the passed
1113 * option if we can't find the original map)
1114 */
1115
1116mapstruct *load_overlay_map(const char *filename, mapstruct *m) {
1117 FILE *fp;
1118 int comp;
1119 char pathname[MAX_BUF];
1120
1121 strcpy(pathname, create_overlay_pathname(filename));
1122
1123 if((fp=open_and_uncompress(pathname, 0, &comp))==NULL) {
1124/* LOG(llevDebug,"Can't open overlay %s\n", pathname);*/
1125 return m;
1126 }
1127
1128 if (load_map_header(fp, m)) {
1129 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1130 m->path, pathname);
1131 delete_map(m);
1132 m = load_original_map(m->path, 0);
1133 return NULL;
1134 }
1135 m->compressed = comp;
1136 /*allocate_map(m);*/
1137
1138 m->in_memory=MAP_LOADING;
1139 load_objects (m, fp, MAP_OVERLAY);
1140 close_and_delete(fp, comp);
1141 m->in_memory=MAP_IN_MEMORY;
1142 return m;
1143} 711}
1144 712
1145/****************************************************************************** 713/******************************************************************************
1146 * This is the start of unique map handling code 714 * This is the start of unique map handling code
1147 *****************************************************************************/ 715 *****************************************************************************/
1148 716
1149/* This goes through map 'm' and removed any unique items on the map. */ 717/* This goes through the maptile and removed any unique items on the map. */
1150static void delete_unique_items(mapstruct *m) 718void
719maptile::clear_unique_items ()
1151{ 720{
721 for (int i = 0; i < size (); ++i)
722 {
1152 int i,j,unique; 723 int unique = 0;
1153 object *op, *next; 724 for (object *op = spaces [i].bot; op; )
725 {
726 object *above = op->above;
1154 727
1155 for(i=0; i<MAP_WIDTH(m); i++)
1156 for(j=0; j<MAP_HEIGHT(m); j++) {
1157 unique=0;
1158 for (op=get_map_ob(m, i, j); op; op=next) {
1159 next = op->above;
1160 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 728 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1161 unique=1; 729 unique = 1;
730
1162 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 731 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1163 clean_object(op); 732 {
1164 if (QUERY_FLAG(op, FLAG_IS_LINKED)) 733 op->destroy_inv (false);
1165 remove_button_link(op); 734 op->destroy ();
1166 remove_ob(op); 735 }
1167 free_object(op); 736
1168 } 737 op = above;
738 }
1169 } 739 }
1170 }
1171} 740}
1172 741
742bool
743maptile::_save_header (object_freezer &freezer)
744{
745#define MAP_OUT(k) freezer.put (KW_ ## k, k)
746#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
1173 747
1174/* 748 MAP_OUT2 (arch, "map");
1175 * Loads unique objects from file(s) into the map which is in memory
1176 * m is the map to load unique items into.
1177 */
1178static void load_unique_objects(mapstruct *m) {
1179 FILE *fp;
1180 int comp,count;
1181 char firstname[MAX_BUF];
1182 749
1183 for (count=0; count<10; count++) { 750 if (name) MAP_OUT (name);
1184 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count); 751 MAP_OUT (swap_time);
1185 if (!access(firstname, R_OK)) break; 752 MAP_OUT (reset_time);
1186 } 753 MAP_OUT (reset_timeout);
1187 /* If we get here, we did not find any map */ 754 MAP_OUT (fixed_resettime);
1188 if (count==10) return; 755 MAP_OUT (no_reset);
756 MAP_OUT (difficulty);
1189 757
1190 if ((fp=open_and_uncompress(firstname, 0, &comp))==NULL) { 758 if (default_region) MAP_OUT2 (region, default_region->name);
1191 /* There is no expectation that every map will have unique items, but this
1192 * is debug output, so leave it in.
1193 */
1194 LOG(llevDebug, "Can't open unique items file for %s\n", create_items_path(m->path));
1195 return;
1196 }
1197 759
1198 m->in_memory=MAP_LOADING; 760 if (shopitems)
1199 if (m->tmpname == NULL) /* if we have loaded unique items from */
1200 delete_unique_items(m); /* original map before, don't duplicate them */
1201 load_object(fp, NULL, LO_NOREAD,0);
1202 load_objects (m, fp, 0);
1203 close_and_delete(fp, comp);
1204 m->in_memory=MAP_IN_MEMORY;
1205}
1206
1207
1208/*
1209 * Saves a map to file. If flag is set, it is saved into the same
1210 * file it was (originally) loaded from. Otherwise a temporary
1211 * filename will be genarated, and the file will be stored there.
1212 * The temporary filename will be stored in the mapstructure.
1213 * If the map is unique, we also save to the filename in the map
1214 * (this should have been updated when first loaded)
1215 */
1216
1217int new_save_map(mapstruct *m, int flag) {
1218 FILE *fp, *fp2;
1219 char filename[MAX_BUF],buf[MAX_BUF], buf_s[MAX_BUF],
1220 shop[MAX_BUF], filename_s[MAX_BUF];
1221 int i;
1222 761 {
1223 if (flag && !*m->path) { 762 char shop[MAX_BUF];
1224 LOG(llevError,"Tried to save map without path.\n");
1225 return -1;
1226 }
1227
1228 if (flag || (m->unique) || (m->templatemap)) {
1229 if (!m->unique && !m->templatemap) { /* flag is set */
1230 if (flag == 2)
1231 strcpy(filename, create_overlay_pathname(m->path));
1232 else
1233 strcpy (filename, create_pathname (m->path));
1234 } else
1235 strcpy (filename, m->path);
1236
1237 /* If the compression suffix already exists on the filename, don't
1238 * put it on again. This nasty looking strcmp checks to see if the
1239 * compression suffix is at the end of the filename already.
1240 */
1241 if (m->compressed &&
1242 strcmp((filename + strlen(filename)-strlen(uncomp[m->compressed][0])),
1243 uncomp[m->compressed][0]))
1244 strcat(filename, uncomp[m->compressed][0]);
1245 make_path_to_file(filename);
1246 } else {
1247 if (!m->tmpname)
1248 m->tmpname = tempnam_local(settings.tmpdir,NULL);
1249 strcpy(filename, m->tmpname);
1250 }
1251 LOG(llevDebug,"Saving map %s to %s\n", m->path, filename);
1252 m->in_memory = MAP_SAVING;
1253
1254 sprintf (filename_s, "%s~", filename);
1255
1256 /* Compress if it isn't a temporary save. Do compress if unique */
1257 if (m->compressed && (m->unique || m->templatemap || flag)) {
1258 char buf[MAX_BUF];
1259 strcpy(buf, uncomp[m->compressed][2]);
1260 strcat(buf, " > ");
1261 strcat(buf, filename_s);
1262 fp = popen(buf, "w");
1263 } else
1264 fp = fopen(filename_s, "w");
1265
1266 if(fp == NULL) {
1267 LOG(llevError, "Cannot write %s: %s\n", filename_s, strerror_local(errno));
1268 return -1;
1269 }
1270
1271 /* legacy */
1272 fprintf(fp,"arch map\n");
1273 if (m->name) fprintf(fp,"name %s\n", m->name);
1274 if (!flag) fprintf(fp,"swap_time %d\n", m->swap_time);
1275 if (m->reset_timeout) fprintf(fp,"reset_timeout %d\n", m->reset_timeout);
1276 if (m->fixed_resettime) fprintf(fp,"fixed_resettime %d\n", m->fixed_resettime);
1277 /* we unfortunately have no idea if this is a value the creator set
1278 * or a difficulty value we generated when the map was first loaded
1279 */
1280 if (m->difficulty) fprintf(fp,"difficulty %d\n", m->difficulty);
1281 if (m->region) fprintf(fp,"region %s\n", m->region->name);
1282 if (m->shopitems) {
1283 print_shop_string(m, shop); 763 print_shop_string (this, shop);
1284 fprintf(fp,"shopitems %s\n", shop); 764 MAP_OUT2 (shopitems, shop);
1285 }
1286 if (m->shopgreed) fprintf(fp,"shopgreed %f\n", m->shopgreed);
1287#ifndef WIN32
1288 if (m->shopmin) fprintf(fp,"shopmin %llu\n", m->shopmin);
1289 if (m->shopmax) fprintf(fp,"shopmax %llu\n", m->shopmax);
1290#else
1291 if (m->shopmin) fprintf(fp,"shopmin %I64u\n", m->shopmin);
1292 if (m->shopmax) fprintf(fp,"shopmax %I64u\n", m->shopmax);
1293#endif
1294 if (m->shoprace) fprintf(fp,"shoprace %s\n", m->shoprace);
1295 if (m->darkness) fprintf(fp,"darkness %d\n", m->darkness);
1296 if (m->width) fprintf(fp,"width %d\n", m->width);
1297 if (m->height) fprintf(fp,"height %d\n", m->height);
1298 if (m->enter_x) fprintf(fp,"enter_x %d\n", m->enter_x);
1299 if (m->enter_y) fprintf(fp,"enter_y %d\n", m->enter_y);
1300 if (m->msg) fprintf(fp,"msg\n%sendmsg\n", m->msg);
1301 if (m->maplore) fprintf(fp,"maplore\n%sendmaplore\n", m->maplore);
1302 if (m->unique) fprintf(fp,"unique %d\n", m->unique);
1303 if (m->templatemap) fprintf(fp,"template %d\n", m->templatemap);
1304 if (m->outdoor) fprintf(fp,"outdoor %d\n", m->outdoor);
1305 if (m->temp) fprintf(fp, "temp %d\n", m->temp);
1306 if (m->pressure) fprintf(fp, "pressure %d\n", m->pressure);
1307 if (m->humid) fprintf(fp, "humid %d\n", m->humid);
1308 if (m->windspeed) fprintf(fp, "windspeed %d\n", m->windspeed);
1309 if (m->winddir) fprintf(fp, "winddir %d\n", m->winddir);
1310 if (m->sky) fprintf(fp, "sky %d\n", m->sky);
1311 if (m->nosmooth) fprintf(fp, "nosmooth %d\n", m->nosmooth);
1312 if (m->safe_map) fprintf(fp, "safe_map %d\n", m->safe_map);
1313
1314 /* Save any tiling information, except on overlays */
1315 if (flag != 2)
1316 for (i=0; i<4; i++)
1317 if (m->tile_path[i])
1318 fprintf(fp,"tile_path_%d %s\n", i+1, m->tile_path[i]);
1319
1320 fprintf(fp,"end\n");
1321
1322 /* In the game save unique items in the different file, but
1323 * in the editor save them to the normal map file.
1324 * If unique map, save files in the proper destination (set by
1325 * player)
1326 */
1327 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap) {
1328 sprintf (buf,"%s.v00",create_items_path (m->path));
1329 sprintf (buf_s, "%s~", buf);
1330 if ((fp2 = fopen (buf_s, "w")) == NULL) {
1331 LOG(llevError, "Can't open unique items file %s\n", buf_s);
1332 }
1333 if (flag == 2)
1334 save_objects(m, fp, fp2, 2);
1335 else
1336 save_objects (m, fp, fp2, 0);
1337 if (fp2 != NULL) {
1338 if (ftell (fp2) == 0) {
1339 fclose (fp2);
1340 rename (buf_s, buf);
1341 unlink (buf);
1342 } else {
1343 fclose (fp2);
1344 rename (buf_s, buf);
1345 chmod (buf, SAVE_MODE);
1346 } 765 }
1347 }
1348 } else { /* save same file when not playing, like in editor */
1349 save_objects(m, fp, fp, 0);
1350 }
1351 766
1352 if (m->compressed && (m->unique || m->templatemap || flag)) 767 MAP_OUT (shopgreed);
1353 pclose(fp); 768 MAP_OUT (shopmin);
1354 else 769 MAP_OUT (shopmax);
1355 fclose(fp); 770 if (shoprace) MAP_OUT (shoprace);
771 MAP_OUT (darkness);
772 MAP_OUT (width);
773 MAP_OUT (height);
774 MAP_OUT (enter_x);
775 MAP_OUT (enter_y);
1356 776
1357 rename (filename_s, filename); 777 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
778 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
1358 779
1359 chmod (filename, SAVE_MODE); 780 MAP_OUT (outdoor);
781 MAP_OUT (temp);
782 MAP_OUT (pressure);
783 MAP_OUT (humid);
784 MAP_OUT (windspeed);
785 MAP_OUT (winddir);
786 MAP_OUT (sky);
787
788 MAP_OUT (per_player);
789 MAP_OUT (per_party);
790
791 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
792 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
793 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
794 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
795
796 freezer.put (this);
797 freezer.put (KW_end);
798
799 return true;
800}
801
802bool
803maptile::_save_header (const char *path)
804{
805 object_freezer freezer;
806
807 if (!_save_header (freezer))
1360 return 0; 808 return false;
1361}
1362 809
1363 810 return freezer.save (path);
1364/*
1365 * Remove and free all objects in the inventory of the given object.
1366 * object.c ?
1367 */
1368
1369void clean_object(object *op)
1370{
1371 object *tmp, *next;
1372
1373 for(tmp = op->inv; tmp; tmp = next)
1374 {
1375 next = tmp->below;
1376 clean_object(tmp);
1377 if (QUERY_FLAG(tmp, FLAG_IS_LINKED))
1378 remove_button_link(tmp);
1379 remove_ob(tmp);
1380 free_object(tmp);
1381 }
1382} 811}
1383 812
1384/* 813/*
1385 * Remove and free all objects in the given map. 814 * Remove and free all objects in the given map.
1386 */ 815 */
816void
817maptile::clear ()
818{
819 sfree (regions, size ()); regions = 0;
820 delete [] regionmap; regionmap = 0;
1387 821
1388void free_all_objects(mapstruct *m) { 822 if (spaces)
1389 int i,j; 823 {
1390 object *op; 824 for (mapspace *ms = spaces + size (); ms-- > spaces; )
825 while (object *op = ms->bot)
826 {
827 op = op->head_ ();
828 op->destroy_inv (false);
829 op->destroy ();
830 }
1391 831
1392 for(i=0;i<MAP_WIDTH(m);i++) 832 sfree (spaces, size ()), spaces = 0;
1393 for(j=0;j<MAP_HEIGHT(m);j++) {
1394 object *previous_obj=NULL;
1395 while((op=GET_MAP_OB(m,i,j))!=NULL) {
1396 if (op==previous_obj) {
1397 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n");
1398 break;
1399 }
1400 previous_obj=op;
1401 if(op->head!=NULL)
1402 op = op->head;
1403
1404 /* If the map isn't in memory, free_object will remove and
1405 * free objects in op's inventory. So let it do the job.
1406 */
1407 if (m->in_memory==MAP_IN_MEMORY)
1408 clean_object(op);
1409 remove_ob(op);
1410 free_object(op);
1411 } 833 }
1412 } 834
1413#ifdef MANY_CORES 835 if (buttons)
1414 /* I see periodic cores on metalforge where a map has been swapped out, but apparantly 836 free_objectlinkpt (buttons), buttons = 0;
1415 * an item on that map was not saved - look for that condition and die as appropriate - 837}
1416 * this leaves more of the map data intact for better debugging. 838
839void
840maptile::clear_header ()
841{
842 name = 0;
843 msg = 0;
844 maplore = 0;
845 shoprace = 0;
846 delete [] shopitems, shopitems = 0;
847
848 for (int i = 0; i < 4; i++)
849 tile_path [i] = 0;
850}
851
852maptile::~maptile ()
853{
854 assert (destroyed ());
855}
856
857void
858maptile::clear_links_to (maptile *m)
859{
860 /* We need to look through all the maps and see if any maps
861 * are pointing at this one for tiling information. Since
862 * tiling can be asymetric, we just can not look to see which
863 * maps this map tiles with and clears those.
1417 */ 864 */
1418 for (op=objects; op!=NULL; op=op->next) { 865 for (int i = 0; i < 4; i++)
1419 if (!QUERY_FLAG(op, FLAG_REMOVED) && op->map == m) { 866 if (tile_map[i] == m)
1420 LOG(llevDebug,"free_all_objects: object %s still on map after it should have been freed\n", op->name); 867 tile_map[i] = 0;
1421 abort(); 868}
1422 } 869
870void
871maptile::do_destroy ()
872{
873 attachable::do_destroy ();
874
875 clear ();
876}
877
878/* decay and destroy perishable items in a map */
879void
880maptile::do_decay_objects ()
881{
882 if (!spaces)
883 return;
884
885 for (mapspace *ms = spaces + size (); ms-- > spaces; )
886 for (object *above, *op = ms->bot; op; op = above)
887 {
888 above = op->above;
889
890 bool destroy = 0;
891
892 // do not decay anything above unique floor tiles (yet :)
893 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
894 break;
895
896 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
897 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
898 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
899 || QUERY_FLAG (op, FLAG_UNIQUE)
900 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
901 || QUERY_FLAG (op, FLAG_UNPAID)
902 || op->is_alive ())
903 ; // do not decay
904 else if (op->is_weapon ())
905 {
906 op->stats.dam--;
907 if (op->stats.dam < 0)
908 destroy = 1;
909 }
910 else if (op->is_armor ())
911 {
912 op->stats.ac--;
913 if (op->stats.ac < 0)
914 destroy = 1;
915 }
916 else if (op->type == FOOD)
917 {
918 op->stats.food -= rndm (5, 20);
919 if (op->stats.food < 0)
920 destroy = 1;
921 }
922 else
923 {
924 int mat = op->materials;
925
926 if (mat & M_PAPER
927 || mat & M_LEATHER
928 || mat & M_WOOD
929 || mat & M_ORGANIC
930 || mat & M_CLOTH
931 || mat & M_LIQUID
932 || (mat & M_IRON && rndm (1, 5) == 1)
933 || (mat & M_GLASS && rndm (1, 2) == 1)
934 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
935 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
936 || (mat & M_ICE && temp > 32))
937 destroy = 1;
938 }
939
940 /* adjust overall chance below */
941 if (destroy && rndm (0, 1))
942 op->destroy ();
1423 } 943 }
1424#endif
1425} 944}
1426 945
1427/* 946/*
1428 * Frees everything allocated by the given mapstructure. 947 * Updates every button on the map (by calling update_button() for them).
1429 * don't free tmpname - our caller is left to do that
1430 */
1431
1432void free_map(mapstruct *m,int flag) {
1433 int i;
1434
1435 if (!m->in_memory) {
1436 LOG(llevError,"Trying to free freed map.\n");
1437 return;
1438 }
1439 if (flag && m->spaces) free_all_objects(m);
1440 if (m->name) FREE_AND_CLEAR(m->name);
1441 if (m->spaces) FREE_AND_CLEAR(m->spaces);
1442 if (m->msg) FREE_AND_CLEAR(m->msg);
1443 if (m->maplore) FREE_AND_CLEAR(m->maplore);
1444 if (m->shopitems) FREE_AND_CLEAR(m->shopitems);
1445 if (m->shoprace) FREE_AND_CLEAR(m->shoprace);
1446 if (m->buttons)
1447 free_objectlinkpt(m->buttons);
1448 m->buttons = NULL;
1449 for (i=0; i<4; i++) {
1450 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]);
1451 m->tile_map[i] = NULL;
1452 }
1453 m->in_memory = MAP_SWAPPED;
1454}
1455
1456/*
1457 * function: vanish mapstruct
1458 * m : pointer to mapstruct, if NULL no action
1459 * this deletes all the data on the map (freeing pointers)
1460 * and then removes this map from the global linked list of maps.
1461 */
1462
1463void delete_map(mapstruct *m) {
1464 mapstruct *tmp, *last;
1465 int i;
1466
1467 if (!m)
1468 return;
1469 if (m->in_memory == MAP_IN_MEMORY) {
1470 /* change to MAP_SAVING, even though we are not,
1471 * so that remove_ob doesn't do as much work.
1472 */ 948 */
1473 m->in_memory = MAP_SAVING; 949void
1474 free_map (m, 1); 950maptile::update_buttons ()
951{
952 for (oblinkpt *obp = buttons; obp; obp = obp->next)
953 for (objectlink *ol = obp->link; ol; ol = ol->next)
954 {
955 if (!ol->ob)
956 {
957 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
958 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
959 continue;
960 }
961
962 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
963 {
964 update_button (ol->ob);
965 break;
966 }
1475 } 967 }
1476 /* move this out of free_map, since tmpname can still be needed if
1477 * the map is swapped out.
1478 */
1479 if (m->tmpname) {
1480 free(m->tmpname);
1481 m->tmpname=NULL;
1482 }
1483 last = NULL;
1484 /* We need to look through all the maps and see if any maps
1485 * are pointing at this one for tiling information. Since
1486 * tiling can be assymetric, we just can not look to see which
1487 * maps this map tiles with and clears those.
1488 */
1489 for (tmp = first_map; tmp != NULL; tmp = tmp->next) {
1490 if (tmp->next == m) last = tmp;
1491
1492 /* This should hopefully get unrolled on a decent compiler */
1493 for (i=0; i<4; i++)
1494 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL;
1495 }
1496
1497 /* If last is null, then this should be the first map in the list */
1498 if (!last) {
1499 if (m == first_map)
1500 first_map = m->next;
1501 else
1502 /* m->path is a static char, so should hopefully still have
1503 * some useful data in it.
1504 */
1505 LOG(llevError,"delete_map: Unable to find map %s in list\n",
1506 m->path);
1507 }
1508 else
1509 last->next = m->next;
1510
1511 free (m);
1512} 968}
1513
1514
1515
1516/*
1517 * Makes sure the given map is loaded and swapped in.
1518 * name is path name of the map.
1519 * flags meaning:
1520 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1521 * and don't do unique items or the like.
1522 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1523 * dont do any more name translation on it.
1524 *
1525 * Returns a pointer to the given map.
1526 */
1527
1528mapstruct *ready_map_name(const char *name, int flags) {
1529 mapstruct *m;
1530
1531 if (!name)
1532 return (NULL);
1533
1534 /* Have we been at this level before? */
1535 m = has_been_loaded (name);
1536
1537 /* Map is good to go, so just return it */
1538 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) {
1539 return m;
1540 }
1541
1542 /* unique maps always get loaded from their original location, and never
1543 * a temp location. Likewise, if map_flush is set, or we have never loaded
1544 * this map, load it now. I removed the reset checking from here -
1545 * it seems the probability of a player trying to enter a map that should
1546 * reset but hasn't yet is quite low, and removing that makes this function
1547 * a bit cleaner (and players probably shouldn't rely on exact timing for
1548 * resets in any case - if they really care, they should use the 'maps command.
1549 */
1550 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) {
1551
1552 /* first visit or time to reset */
1553 if (m) {
1554 clean_tmp_map(m); /* Doesn't make much difference */
1555 delete_map(m);
1556 }
1557
1558 /* create and load a map */
1559 if (flags & MAP_PLAYER_UNIQUE)
1560 LOG(llevDebug, "Trying to load map %s.\n", name);
1561 else
1562 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name));
1563
1564 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE))))
1565 return (NULL);
1566
1567 fix_auto_apply(m); /* Chests which open as default */
1568
1569 /* If a player unique map, no extra unique object file to load.
1570 * if from the editor, likewise.
1571 */
1572 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)))
1573 load_unique_objects(m);
1574
1575 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) {
1576 m=load_overlay_map(name, m);
1577 if (m==NULL)
1578 return NULL;
1579 }
1580
1581 } else {
1582 /* If in this loop, we found a temporary map, so load it up. */
1583
1584 m=load_temporary_map (m);
1585 if(m==NULL) return NULL;
1586 load_unique_objects(m);
1587
1588 clean_tmp_map(m);
1589 m->in_memory = MAP_IN_MEMORY;
1590 /* tempnam() on sun systems (probably others) uses malloc
1591 * to allocated space for the string. Free it here.
1592 * In some cases, load_temporary_map above won't find the
1593 * temporary map, and so has reloaded a new map. If that
1594 * is the case, tmpname is now null
1595 */
1596 if (m->tmpname) free(m->tmpname);
1597 m->tmpname = NULL;
1598 /* It's going to be saved anew anyway */
1599 }
1600
1601 /* Below here is stuff common to both first time loaded maps and
1602 * temp maps.
1603 */
1604
1605 decay_objects(m); /* start the decay */
1606 /* In case other objects press some buttons down */
1607 update_buttons(m);
1608 if (m->outdoor)
1609 set_darkness_map(m);
1610 /* run the weather over this map */
1611 weather_effect(name);
1612 return m;
1613}
1614
1615 969
1616/* 970/*
1617 * This routine is supposed to find out the difficulty of the map. 971 * This routine is supposed to find out the difficulty of the map.
1618 * difficulty does not have a lot to do with character level, 972 * difficulty does not have a lot to do with character level,
1619 * but does have a lot to do with treasure on the map. 973 * but does have a lot to do with treasure on the map.
… …
1621 * Difficulty can now be set by the map creature. If the value stored 975 * Difficulty can now be set by the map creature. If the value stored
1622 * in the map is zero, then use this routine. Maps should really 976 * in the map is zero, then use this routine. Maps should really
1623 * have a difficulty set than using this function - human calculation 977 * have a difficulty set than using this function - human calculation
1624 * is much better than this functions guesswork. 978 * is much better than this functions guesswork.
1625 */ 979 */
1626 980int
1627int calculate_difficulty(mapstruct *m) { 981maptile::estimate_difficulty () const
1628 object *op; 982{
1629 archetype *at;
1630 int x, y, i, diff;
1631 long monster_cnt = 0; 983 long monster_cnt = 0;
1632 double avgexp = 0; 984 double avgexp = 0;
1633 sint64 total_exp = 0; 985 sint64 total_exp = 0;
1634 986
1635 if (MAP_DIFFICULTY (m)) 987 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1636 { 988 for (object *op = ms->bot; op; op = op->above)
1637 LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1638 return MAP_DIFFICULTY (m);
1639 }
1640
1641 for(x = 0; x < MAP_WIDTH(m); x++)
1642 for(y = 0; y < MAP_HEIGHT(m); y++)
1643 for(op = get_map_ob(m, x, y); op != NULL; op = op->above)
1644 { 989 {
1645 if(QUERY_FLAG (op, FLAG_MONSTER)) 990 if (QUERY_FLAG (op, FLAG_MONSTER))
1646 { 991 {
1647 total_exp += op->stats.exp; 992 total_exp += op->stats.exp;
1648 monster_cnt++; 993 monster_cnt++;
1649 } 994 }
1650 995
1651 if(QUERY_FLAG (op, FLAG_GENERATOR)) 996 if (QUERY_FLAG (op, FLAG_GENERATOR))
1652 { 997 {
1653 total_exp += op->stats.exp; 998 total_exp += op->stats.exp;
999
1654 at = type_to_archetype(GENERATE_TYPE (op)); 1000 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1655
1656 if(at != NULL)
1657 total_exp += at->clone.stats.exp * 8; 1001 total_exp += at->stats.exp * 8;
1658 1002
1659 monster_cnt++; 1003 monster_cnt++;
1660 } 1004 }
1661 } 1005 }
1662 1006
1663 avgexp = (double) total_exp / monster_cnt; 1007 avgexp = (double) total_exp / monster_cnt;
1664 1008
1665 for (i = 1; i <= settings.max_level; i++) 1009 for (int i = 1; i <= settings.max_level; i++)
1666 {
1667 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 1010 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1668 {
1669 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1670 return i; 1011 return i;
1671 }
1672 }
1673 1012
1674 return 1; 1013 return 1;
1675}
1676
1677void clean_tmp_map(mapstruct *m) {
1678 if(m->tmpname == NULL)
1679 return;
1680 INVOKE_MAP (CLEAN, m);
1681 (void) unlink(m->tmpname);
1682}
1683
1684void free_all_maps(void)
1685{
1686 int real_maps=0;
1687
1688 while (first_map) {
1689 /* I think some of the callers above before it gets here set this to be
1690 * saving, but we still want to free this data
1691 */
1692 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY;
1693 delete_map(first_map);
1694 real_maps++;
1695 }
1696 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps);
1697} 1014}
1698 1015
1699/* change_map_light() - used to change map light level (darkness) 1016/* change_map_light() - used to change map light level (darkness)
1700 * up or down. Returns true if successful. It should now be 1017 * up or down. Returns true if successful. It should now be
1701 * possible to change a value by more than 1. 1018 * possible to change a value by more than 1.
1702 * Move this from los.c to map.c since this is more related 1019 * Move this from los.c to map.c since this is more related
1703 * to maps than los. 1020 * to maps than los.
1704 * postive values make it darker, negative make it brighter 1021 * postive values make it darker, negative make it brighter
1705 */ 1022 */
1706 1023int
1707int change_map_light(mapstruct *m, int change) { 1024maptile::change_map_light (int change)
1025{
1708 int new_level = m->darkness + change; 1026 int new_level = darkness + change;
1709 1027
1710 /* Nothing to do */ 1028 /* Nothing to do */
1711 if(!change || (new_level <= 0 && m->darkness == 0) || 1029 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1712 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) {
1713 return 0; 1030 return 0;
1714 }
1715 1031
1716 /* inform all players on the map */ 1032 /* inform all players on the map */
1717 if (change>0) 1033 if (change > 0)
1718 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 1034 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1719 else 1035 else
1720 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 1036 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1721 1037
1722 /* Do extra checking. since m->darkness is a unsigned value, 1038 /* Do extra checking. since darkness is a unsigned value,
1723 * we need to be extra careful about negative values. 1039 * we need to be extra careful about negative values.
1724 * In general, the checks below are only needed if change 1040 * In general, the checks below are only needed if change
1725 * is not +/-1 1041 * is not +/-1
1726 */ 1042 */
1727 if (new_level < 0) m->darkness = 0; 1043 if (new_level < 0)
1728 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS; 1044 darkness = 0;
1045 else if (new_level >= MAX_DARKNESS)
1046 darkness = MAX_DARKNESS;
1047 else
1729 else m->darkness=new_level; 1048 darkness = new_level;
1730 1049
1731 /* All clients need to get re-updated for the change */ 1050 /* All clients need to get re-updated for the change */
1732 update_all_map_los(m); 1051 update_all_map_los (this);
1733 return 1; 1052 return 1;
1734} 1053}
1735
1736 1054
1737/* 1055/*
1738 * This function updates various attributes about a specific space 1056 * This function updates various attributes about a specific space
1739 * on the map (what it looks like, whether it blocks magic, 1057 * on the map (what it looks like, whether it blocks magic,
1740 * has a living creatures, prevents people from passing 1058 * has a living creatures, prevents people from passing
1741 * through, etc) 1059 * through, etc)
1742 */ 1060 */
1743void update_position (mapstruct *m, int x, int y) { 1061void
1062mapspace::update_ ()
1063{
1744 object *tmp, *last = NULL; 1064 object *tmp, *last = 0;
1745 uint8 flags = 0, oldflags, light=0, anywhere=0; 1065 uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1746 New_Face *top,*floor, *middle;
1747 object *top_obj, *floor_obj, *middle_obj;
1748 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1066 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1749 1067
1750 oldflags = GET_MAP_FLAGS(m,x,y); 1068 //object *middle = 0;
1751 if (!(oldflags & P_NEED_UPDATE)) { 1069 //object *top = 0;
1752 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", 1070 //object *floor = 0;
1753 m->path, x, y); 1071 // this seems to generate better code than using locals, above
1754 return; 1072 object *&top = faces_obj[0] = 0;
1755 } 1073 object *&middle = faces_obj[1] = 0;
1074 object *&floor = faces_obj[2] = 0;
1756 1075
1757 middle=blank_face;
1758 top=blank_face;
1759 floor=blank_face;
1760
1761 middle_obj = NULL;
1762 top_obj = NULL;
1763 floor_obj = NULL;
1764
1765 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) { 1076 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1766 1077 {
1767 /* This could be made additive I guess (two lights better than 1078 /* This could be made additive I guess (two lights better than
1768 * one). But if so, it shouldn't be a simple additive - 2 1079 * one). But if so, it shouldn't be a simple additive - 2
1769 * light bulbs do not illuminate twice as far as once since 1080 * light bulbs do not illuminate twice as far as once since
1770 * it is a disapation factor that is squared (or is it cubed?) 1081 * it is a dissapation factor that is cubed.
1771 */ 1082 */
1772 if (tmp->glow_radius > light) light = tmp->glow_radius; 1083 if (tmp->glow_radius > light)
1084 light = tmp->glow_radius;
1773 1085
1774 /* This call is needed in order to update objects the player 1086 /* This call is needed in order to update objects the player
1775 * is standing in that have animations (ie, grass, fire, etc). 1087 * is standing in that have animations (ie, grass, fire, etc).
1776 * However, it also causes the look window to be re-drawn 1088 * However, it also causes the look window to be re-drawn
1777 * 3 times each time the player moves, because many of the 1089 * 3 times each time the player moves, because many of the
1778 * functions the move_player calls eventualy call this. 1090 * functions the move_player calls eventualy call this.
1779 * 1091 *
1780 * Always put the player down for drawing. 1092 * Always put the player down for drawing.
1781 */ 1093 */
1782 if (!tmp->invisible) { 1094 if (!tmp->invisible)
1095 {
1783 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1096 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1784 top = tmp->face; 1097 top = tmp;
1785 top_obj = tmp;
1786 }
1787 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1098 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1099 {
1788 /* If we got a floor, that means middle and top were below it, 1100 /* If we got a floor, that means middle and top were below it,
1789 * so should not be visible, so we clear them. 1101 * so should not be visible, so we clear them.
1790 */ 1102 */
1791 middle=blank_face; 1103 middle = 0;
1792 top=blank_face; 1104 top = 0;
1793 floor = tmp->face; 1105 floor = tmp;
1794 floor_obj = tmp; 1106 }
1795 }
1796 /* Flag anywhere have high priority */ 1107 /* Flag anywhere have high priority */
1797 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 1108 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1798 middle = tmp->face; 1109 {
1799 1110 middle = tmp;
1800 middle_obj = tmp; 1111 anywhere = 1;
1801 anywhere =1; 1112 }
1802 }
1803 /* Find the highest visible face around. If equal 1113 /* Find the highest visible face around. If equal
1804 * visibilities, we still want the one nearer to the 1114 * visibilities, we still want the one nearer to the
1805 * top 1115 * top
1806 */ 1116 */
1807 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) { 1117 else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1808 middle = tmp->face; 1118 middle = tmp;
1809 middle_obj = tmp; 1119 }
1810 } 1120
1811 }
1812 if (tmp==tmp->above) { 1121 if (tmp == tmp->above)
1122 {
1813 LOG(llevError, "Error in structure of map\n"); 1123 LOG (llevError, "Error in structure of map\n");
1814 exit (-1); 1124 exit (-1);
1815 }
1816 1125 }
1126
1817 move_slow |= tmp->move_slow; 1127 move_slow |= tmp->move_slow;
1818 move_block |= tmp->move_block; 1128 move_block |= tmp->move_block;
1819 move_on |= tmp->move_on; 1129 move_on |= tmp->move_on;
1820 move_off |= tmp->move_off; 1130 move_off |= tmp->move_off;
1821 move_allow |= tmp->move_allow; 1131 move_allow |= tmp->move_allow;
1822 1132
1823 if (QUERY_FLAG(tmp,FLAG_ALIVE)) 1133 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1824 flags |= P_IS_ALIVE; 1134 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1825 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC)) 1135 if (tmp->type == PLAYER) flags |= P_PLAYER;
1826 flags |= P_NO_MAGIC; 1136 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1827 if (QUERY_FLAG(tmp,FLAG_DAMNED)) 1137 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1828 flags |= P_NO_CLERIC; 1138 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1829 if (tmp->type == SAFE_GROUND)
1830 flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC;
1831
1832 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW))
1833 flags |= P_BLOCKSVIEW;
1834 } /* for stack of objects */
1835
1836 /* we don't want to rely on this function to have accurate flags, but
1837 * since we're already doing the work, we calculate them here.
1838 * if they don't match, logic is broken someplace.
1839 */
1840 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) &&
1841 (!(oldflags & P_NO_ERROR))) {
1842 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1843 m->path, x, y,
1844 (oldflags & ~P_NEED_UPDATE), flags);
1845 } 1139 }
1846 SET_MAP_FLAGS(m, x, y, flags);
1847 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow);
1848 SET_MAP_MOVE_ON(m, x, y, move_on);
1849 SET_MAP_MOVE_OFF(m, x, y, move_off);
1850 SET_MAP_MOVE_SLOW(m, x, y, move_slow);
1851 1140
1141 this->light = light;
1142 this->flags_ = flags;
1143 this->move_block = move_block & ~move_allow;
1144 this->move_on = move_on;
1145 this->move_off = move_off;
1146 this->move_slow = move_slow;
1147
1852 /* At this point, we have a floor face (if there is a floor), 1148 /* At this point, we have a floor face (if there is a floor),
1853 * and the floor is set - we are not going to touch it at 1149 * and the floor is set - we are not going to touch it at
1854 * this point. 1150 * this point.
1855 * middle contains the highest visibility face. 1151 * middle contains the highest visibility face.
1856 * top contains a player/monster face, if there is one. 1152 * top contains a player/monster face, if there is one.
1857 * 1153 *
1858 * We now need to fill in top.face and/or middle.face. 1154 * We now need to fill in top.face and/or middle.face.
1859 */ 1155 */
1860 1156
1861 /* If the top face also happens to be high visibility, re-do our 1157 /* If the top face also happens to be high visibility, re-do our
1862 * middle face. This should not happen, as we already have the 1158 * middle face. This should not happen, as we already have the
1863 * else statement above so middle should not get set. OTOH, it 1159 * else statement above so middle should not get set. OTOH, it
1864 * may be possible for the faces to match but be different objects. 1160 * may be possible for the faces to match but be different objects.
1865 */ 1161 */
1866 if (top == middle) middle=blank_face; 1162 if (top == middle)
1163 middle = 0;
1867 1164
1868 /* There are three posibilities at this point: 1165 /* There are three posibilities at this point:
1869 * 1) top face is set, need middle to be set. 1166 * 1) top face is set, need middle to be set.
1870 * 2) middle is set, need to set top. 1167 * 2) middle is set, need to set top.
1871 * 3) neither middle or top is set - need to set both. 1168 * 3) neither middle or top is set - need to set both.
1872 */ 1169 */
1873 1170
1874 for (tmp=last; tmp; tmp=tmp->below) { 1171 for (tmp = last; tmp; tmp = tmp->below)
1172 {
1875 /* Once we get to a floor, stop, since we already have a floor object */ 1173 /* Once we get to a floor, stop, since we already have a floor object */
1876 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break; 1174 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1175 break;
1877 1176
1878 /* If two top faces are already set, quit processing */ 1177 /* If two top faces are already set, quit processing */
1879 if ((top != blank_face) && (middle != blank_face)) break; 1178 if (top && middle)
1179 break;
1880 1180
1881 /* Only show visible faces, unless its the editor - show all */ 1181 /* Only show visible faces */
1882 if (!tmp->invisible || editor) { 1182 if (!tmp->invisible)
1183 {
1883 /* Fill in top if needed */ 1184 /* Fill in top if needed */
1884 if (top == blank_face) { 1185 if (!top)
1885 top = tmp->face; 1186 {
1886 top_obj = tmp; 1187 top = tmp;
1887 if (top == middle) middle=blank_face; 1188 if (top == middle)
1888 } else { 1189 middle = 0;
1190 }
1191 else
1192 {
1889 /* top is already set - we should only get here if 1193 /* top is already set - we should only get here if
1890 * middle is not set 1194 * middle is not set
1891 * 1195 *
1892 * Set the middle face and break out, since there is nothing 1196 * Set the middle face and break out, since there is nothing
1893 * more to fill in. We don't check visiblity here, since 1197 * more to fill in. We don't check visiblity here, since
1894 * 1198 *
1895 */ 1199 */
1896 if (tmp->face != top ) { 1200 if (tmp != top)
1897 middle = tmp->face; 1201 {
1898 middle_obj = tmp; 1202 middle = tmp;
1899 break; 1203 break;
1900 } 1204 }
1205 }
1206 }
1901 } 1207 }
1902 }
1903 }
1904 if (middle == floor) middle = blank_face;
1905 if (top == middle) middle = blank_face;
1906 SET_MAP_FACE(m,x,y,top,0);
1907 if(top != blank_face)
1908 SET_MAP_FACE_OBJ(m,x,y,top_obj,0);
1909 else
1910 SET_MAP_FACE_OBJ(m,x,y,NULL,0);
1911 SET_MAP_FACE(m,x,y,middle,1);
1912 if(middle != blank_face)
1913 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1);
1914 else
1915 SET_MAP_FACE_OBJ(m,x,y,NULL,1);
1916 SET_MAP_FACE(m,x,y,floor,2);
1917 if(floor != blank_face)
1918 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2);
1919 else
1920 SET_MAP_FACE_OBJ(m,x,y,NULL,2);
1921 SET_MAP_LIGHT(m,x,y,light);
1922}
1923 1208
1209 if (middle == floor)
1210 middle = 0;
1924 1211
1925void set_map_reset_time(mapstruct *map) { 1212 if (top == middle)
1926 int timeout; 1213 middle = 0;
1927 1214
1928 timeout = MAP_RESET_TIMEOUT(map); 1215#if 0
1929 if (timeout <= 0) 1216 faces_obj [0] = top;
1930 timeout = MAP_DEFAULTRESET; 1217 faces_obj [1] = middle;
1931 if (timeout >= MAP_MAXRESET) 1218 faces_obj [2] = floor;
1932 timeout = MAP_MAXRESET; 1219#endif
1933 MAP_WHEN_RESET(map) = seconds()+timeout;
1934} 1220}
1935 1221
1222uint64
1223mapspace::volume () const
1224{
1225 uint64 vol = 0;
1226
1227 for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1228 vol += op->volume ();
1229
1230 return vol;
1231}
1232
1936/* this updates the orig_map->tile_map[tile_num] value after loading 1233/* this updates the orig_map->tile_map[tile_num] value after finding
1937 * the map. It also takes care of linking back the freshly loaded 1234 * the map. It also takes care of linking back the freshly found
1938 * maps tile_map values if it tiles back to this one. It returns 1235 * maps tile_map values if it tiles back to this one. It returns
1939 * the value of orig_map->tile_map[tile_num]. It really only does this 1236 * the value of orig_map->tile_map[tile_num].
1940 * so that it is easier for calling functions to verify success.
1941 */ 1237 */
1942 1238static inline maptile *
1943static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) 1239find_and_link (maptile *orig_map, int tile_num)
1944{ 1240{
1241 maptile *mp = orig_map->tile_map [tile_num];
1242
1243 if (!mp)
1244 {
1245 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1246
1247 if (!mp)
1248 {
1249 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1250 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1251 &orig_map->tile_path[tile_num], &orig_map->path);
1252 mp = new maptile (1, 1);
1253 mp->alloc ();
1254 mp->in_memory = MAP_IN_MEMORY;
1255 }
1256 }
1257
1945 int dest_tile = (tile_num +2) % 4; 1258 int dest_tile = (tile_num + 2) % 4;
1946 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]);
1947 1259
1948 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 1260 orig_map->tile_map [tile_num] = mp;
1949 1261
1950 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1262 // optimisation: back-link map to origin map if euclidean
1951 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 1263 //TODO: non-euclidean maps MUST GO
1952 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path)) 1264 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1953 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 1265 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1954 1266
1955 return orig_map->tile_map[tile_num]; 1267 return mp;
1268}
1269
1270static inline void
1271load_and_link (maptile *orig_map, int tile_num)
1272{
1273 find_and_link (orig_map, tile_num)->load_sync ();
1956} 1274}
1957 1275
1958/* this returns TRUE if the coordinates (x,y) are out of 1276/* this returns TRUE if the coordinates (x,y) are out of
1959 * map m. This function also takes into account any 1277 * map m. This function also takes into account any
1960 * tiling considerations, loading adjacant maps as needed. 1278 * tiling considerations, loading adjacant maps as needed.
1961 * This is the function should always be used when it 1279 * This is the function should always be used when it
1962 * necessary to check for valid coordinates. 1280 * necessary to check for valid coordinates.
1963 * This function will recursively call itself for the 1281 * This function will recursively call itself for the
1964 * tiled maps. 1282 * tiled maps.
1965 * 1283 */
1966 * 1284int
1967 */
1968int out_of_map(mapstruct *m, int x, int y) 1285out_of_map (maptile *m, int x, int y)
1969{ 1286{
1970
1971 /* If we get passed a null map, this is obviously the 1287 /* If we get passed a null map, this is obviously the
1972 * case. This generally shouldn't happen, but if the 1288 * case. This generally shouldn't happen, but if the
1973 * map loads fail below, it could happen. 1289 * map loads fail below, it could happen.
1974 */ 1290 */
1975 if (!m) return 0; 1291 if (!m)
1976
1977 if (x<0) {
1978 if (!m->tile_path[3]) return 1;
1979 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1980 load_and_link_tiled_map(m, 3);
1981 }
1982 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1983 }
1984 if (x>=MAP_WIDTH(m)) {
1985 if (!m->tile_path[1]) return 1;
1986 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1987 load_and_link_tiled_map(m, 1);
1988 }
1989 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1990 }
1991 if (y<0) {
1992 if (!m->tile_path[0]) return 1;
1993 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1994 load_and_link_tiled_map(m, 0);
1995 }
1996 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1997 }
1998 if (y>=MAP_HEIGHT(m)) {
1999 if (!m->tile_path[2]) return 1;
2000 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
2001 load_and_link_tiled_map(m, 2);
2002 }
2003 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
2004 }
2005
2006 /* Simple case - coordinates are within this local
2007 * map.
2008 */
2009 return 0; 1292 return 0;
1293
1294 if (x < 0)
1295 {
1296 if (!m->tile_path[3])
1297 return 1;
1298
1299 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1300 find_and_link (m, 3);
1301
1302 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1303 }
1304
1305 if (x >= m->width)
1306 {
1307 if (!m->tile_path[1])
1308 return 1;
1309
1310 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1311 find_and_link (m, 1);
1312
1313 return out_of_map (m->tile_map[1], x - m->width, y);
1314 }
1315
1316 if (y < 0)
1317 {
1318 if (!m->tile_path[0])
1319 return 1;
1320
1321 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1322 find_and_link (m, 0);
1323
1324 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1325 }
1326
1327 if (y >= m->height)
1328 {
1329 if (!m->tile_path[2])
1330 return 1;
1331
1332 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1333 find_and_link (m, 2);
1334
1335 return out_of_map (m->tile_map[2], x, y - m->height);
1336 }
1337
1338 /* Simple case - coordinates are within this local
1339 * map.
1340 */
1341 return 0;
2010} 1342}
2011 1343
2012/* This is basically the same as out_of_map above, but 1344/* This is basically the same as out_of_map above, but
2013 * instead we return NULL if no map is valid (coordinates 1345 * instead we return NULL if no map is valid (coordinates
2014 * out of bounds and no tiled map), otherwise it returns 1346 * out of bounds and no tiled map), otherwise it returns
2015 * the map as that the coordinates are really on, and 1347 * the map as that the coordinates are really on, and
2016 * updates x and y to be the localized coordinates. 1348 * updates x and y to be the localised coordinates.
2017 * Using this is more efficient of calling out_of_map 1349 * Using this is more efficient of calling out_of_map
2018 * and then figuring out what the real map is 1350 * and then figuring out what the real map is
2019 */ 1351 */
2020mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 1352maptile *
1353maptile::xy_find (sint16 &x, sint16 &y)
2021{ 1354{
2022 1355 if (x < 0)
2023 if (*x<0) {
2024 if (!m->tile_path[3]) return NULL;
2025 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2026 load_and_link_tiled_map(m, 3);
2027
2028 *x += MAP_WIDTH(m->tile_map[3]);
2029 return (get_map_from_coord(m->tile_map[3], x, y));
2030 } 1356 {
2031 if (*x>=MAP_WIDTH(m)) { 1357 if (!tile_path[3])
2032 if (!m->tile_path[1]) return NULL; 1358 return 0;
2033 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2034 load_and_link_tiled_map(m, 1);
2035 1359
2036 *x -= MAP_WIDTH(m); 1360 find_and_link (this, 3);
2037 return (get_map_from_coord(m->tile_map[1], x, y)); 1361 x += tile_map[3]->width;
1362 return tile_map[3]->xy_find (x, y);
1363 }
1364
1365 if (x >= width)
2038 } 1366 {
2039 if (*y<0) { 1367 if (!tile_path[1])
2040 if (!m->tile_path[0]) return NULL; 1368 return 0;
2041 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2042 load_and_link_tiled_map(m, 0);
2043 1369
2044 *y += MAP_HEIGHT(m->tile_map[0]); 1370 find_and_link (this, 1);
2045 return (get_map_from_coord(m->tile_map[0], x, y)); 1371 x -= width;
1372 return tile_map[1]->xy_find (x, y);
1373 }
1374
1375 if (y < 0)
2046 } 1376 {
2047 if (*y>=MAP_HEIGHT(m)) { 1377 if (!tile_path[0])
2048 if (!m->tile_path[2]) return NULL; 1378 return 0;
2049 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2050 load_and_link_tiled_map(m, 2);
2051 1379
2052 *y -= MAP_HEIGHT(m); 1380 find_and_link (this, 0);
2053 return (get_map_from_coord(m->tile_map[2], x, y)); 1381 y += tile_map[0]->height;
1382 return tile_map[0]->xy_find (x, y);
1383 }
1384
1385 if (y >= height)
2054 } 1386 {
1387 if (!tile_path[2])
1388 return 0;
2055 1389
1390 find_and_link (this, 2);
1391 y -= height;
1392 return tile_map[2]->xy_find (x, y);
1393 }
1394
2056 /* Simple case - coordinates are within this local 1395 /* Simple case - coordinates are within this local
2057 * map. 1396 * map.
2058 */ 1397 */
2059 1398 return this;
2060 return m;
2061} 1399}
2062 1400
2063/** 1401/**
2064 * Return whether map2 is adjacent to map1. If so, store the distance from 1402 * Return whether map2 is adjacent to map1. If so, store the distance from
2065 * map1 to map2 in dx/dy. 1403 * map1 to map2 in dx/dy.
2066 */ 1404 */
1405int
2067static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 1406adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1407{
2068 if (!map1 || !map2) 1408 if (!map1 || !map2)
2069 return 0; 1409 return 0;
2070 1410
1411 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded
1412 //fix: compare paths instead (this is likely faster, too!)
2071 if (map1 == map2) { 1413 if (map1 == map2)
1414 {
2072 *dx = 0; 1415 *dx = 0;
2073 *dy = 0; 1416 *dy = 0;
2074 1417 }
2075 } else if (map1->tile_map[0] == map2) { /* up */ 1418 else if (map1->tile_map[0] == map2)
1419 { /* up */
2076 *dx = 0; 1420 *dx = 0;
2077 *dy = -MAP_HEIGHT(map2); 1421 *dy = -map2->height;
1422 }
2078 } else if (map1->tile_map[1] == map2) { /* right */ 1423 else if (map1->tile_map[1] == map2)
2079 *dx = MAP_WIDTH(map1); 1424 { /* right */
1425 *dx = map1->width;
2080 *dy = 0; 1426 *dy = 0;
1427 }
2081 } else if (map1->tile_map[2] == map2) { /* down */ 1428 else if (map1->tile_map[2] == map2)
1429 { /* down */
2082 *dx = 0; 1430 *dx = 0;
2083 *dy = MAP_HEIGHT(map1); 1431 *dy = map1->height;
1432 }
2084 } else if (map1->tile_map[3] == map2) { /* left */ 1433 else if (map1->tile_map[3] == map2)
2085 *dx = -MAP_WIDTH(map2); 1434 { /* left */
1435 *dx = -map2->width;
2086 *dy = 0; 1436 *dy = 0;
2087 1437 }
2088 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ 1438 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
1439 { /* up right */
2089 *dx = MAP_WIDTH(map1->tile_map[0]); 1440 *dx = map1->tile_map[0]->width;
2090 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1441 *dy = -map1->tile_map[0]->height;
1442 }
2091 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ 1443 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2092 *dx = -MAP_WIDTH(map2); 1444 { /* up left */
2093 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1445 *dx = -map2->width;
1446 *dy = -map1->tile_map[0]->height;
1447 }
2094 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ 1448 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2095 *dx = MAP_WIDTH(map1); 1449 { /* right up */
2096 *dy = -MAP_HEIGHT(map2); 1450 *dx = map1->width;
1451 *dy = -map2->height;
1452 }
2097 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ 1453 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2098 *dx = MAP_WIDTH(map1); 1454 { /* right down */
2099 *dy = MAP_HEIGHT(map1->tile_map[1]); 1455 *dx = map1->width;
1456 *dy = map1->tile_map[1]->height;
1457 }
2100 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ 1458 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
1459 { /* down right */
2101 *dx = MAP_WIDTH(map1->tile_map[2]); 1460 *dx = map1->tile_map[2]->width;
2102 *dy = MAP_HEIGHT(map1); 1461 *dy = map1->height;
1462 }
2103 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ 1463 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2104 *dx = -MAP_WIDTH(map2); 1464 { /* down left */
2105 *dy = MAP_HEIGHT(map1); 1465 *dx = -map2->width;
1466 *dy = map1->height;
1467 }
2106 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ 1468 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
1469 { /* left up */
2107 *dx = -MAP_WIDTH(map1->tile_map[3]); 1470 *dx = -map1->tile_map[3]->width;
2108 *dy = -MAP_HEIGHT(map2); 1471 *dy = -map2->height;
1472 }
2109 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ 1473 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
1474 { /* left down */
2110 *dx = -MAP_WIDTH(map1->tile_map[3]); 1475 *dx = -map1->tile_map[3]->width;
2111 *dy = MAP_HEIGHT(map1->tile_map[3]); 1476 *dy = map1->tile_map[3]->height;
2112
2113 } else { /* not "adjacent" enough */
2114 return 0;
2115 } 1477 }
2116 1478 else
2117 return 1; 1479 return 0;
1480
1481 return 1;
1482}
1483
1484maptile *
1485maptile::xy_load (sint16 &x, sint16 &y)
1486{
1487 maptile *map = xy_find (x, y);
1488
1489 if (map)
1490 map->load_sync ();
1491
1492 return map;
1493}
1494
1495maptile *
1496get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1497{
1498 return m->xy_load (*x, *y);
2118} 1499}
2119 1500
2120/* From map.c 1501/* From map.c
2121 * This is used by get_player to determine where the other 1502 * This is used by get_player to determine where the other
2122 * creature is. get_rangevector takes into account map tiling, 1503 * creature is. get_rangevector takes into account map tiling,
2123 * so you just can not look the the map coordinates and get the 1504 * so you just can not look the the map coordinates and get the
2124 * righte value. distance_x/y are distance away, which 1505 * righte value. distance_x/y are distance away, which
2125 * can be negativbe. direction is the crossfire direction scheme 1506 * can be negative. direction is the crossfire direction scheme
2126 * that the creature should head. part is the part of the 1507 * that the creature should head. part is the part of the
2127 * monster that is closest. 1508 * monster that is closest.
2128 * 1509 *
2129 * get_rangevector looks at op1 and op2, and fills in the 1510 * get_rangevector looks at op1 and op2, and fills in the
2130 * structure for op1 to get to op2. 1511 * structure for op1 to get to op2.
… …
2135 * be unexpected 1516 * be unexpected
2136 * 1517 *
2137 * currently, the only flag supported (0x1) is don't translate for 1518 * currently, the only flag supported (0x1) is don't translate for
2138 * closest body part of 'op1' 1519 * closest body part of 'op1'
2139 */ 1520 */
2140 1521void
2141void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 1522get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
1523{
2142 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 1524 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1525 {
2143 /* be conservative and fill in _some_ data */ 1526 /* be conservative and fill in _some_ data */
2144 retval->distance = 100000; 1527 retval->distance = 10000;
2145 retval->distance_x = 32767; 1528 retval->distance_x = 10000;
2146 retval->distance_y = 32767; 1529 retval->distance_y = 10000;
2147 retval->direction = 0; 1530 retval->direction = 0;
2148 retval->part = 0; 1531 retval->part = 0;
2149 } else { 1532 }
1533 else
1534 {
2150 object *best; 1535 object *best;
2151 1536
2152 retval->distance_x += op2->x-op1->x; 1537 retval->distance_x += op2->x - op1->x;
2153 retval->distance_y += op2->y-op1->y; 1538 retval->distance_y += op2->y - op1->y;
2154 1539
2155 best = op1; 1540 best = op1;
2156 /* If this is multipart, find the closest part now */ 1541 /* If this is multipart, find the closest part now */
2157 if (!(flags&0x1) && op1->more) { 1542 if (!(flags & 0x1) && op1->more)
2158 object *tmp; 1543 {
2159 int best_distance = retval->distance_x*retval->distance_x+ 1544 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2160 retval->distance_y*retval->distance_y, tmpi;
2161 1545
2162 /* we just take the offset of the piece to head to figure 1546 /* we just take the offset of the piece to head to figure
2163 * distance instead of doing all that work above again 1547 * distance instead of doing all that work above again
2164 * since the distance fields we set above are positive in the 1548 * since the distance fields we set above are positive in the
2165 * same axis as is used for multipart objects, the simply arithmetic 1549 * same axis as is used for multipart objects, the simply arithmetic
2166 * below works. 1550 * below works.
2167 */ 1551 */
2168 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 1552 for (object *tmp = op1->more; tmp; tmp = tmp->more)
1553 {
2169 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 1554 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2170 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 1555 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2171 if (tmpi < best_distance) { 1556 if (tmpi < best_distance)
1557 {
2172 best_distance = tmpi; 1558 best_distance = tmpi;
2173 best = tmp; 1559 best = tmp;
2174 } 1560 }
2175 } 1561 }
1562
2176 if (best != op1) { 1563 if (best != op1)
1564 {
2177 retval->distance_x += op1->x-best->x; 1565 retval->distance_x += op1->x - best->x;
2178 retval->distance_y += op1->y-best->y; 1566 retval->distance_y += op1->y - best->y;
2179 } 1567 }
2180 } 1568 }
1569
2181 retval->part = best; 1570 retval->part = best;
2182 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1571 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2183 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1572 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2184 } 1573 }
2185} 1574}
2186 1575
2187/* this is basically the same as get_rangevector above, but instead of 1576/* this is basically the same as get_rangevector above, but instead of
2188 * the first parameter being an object, it instead is the map 1577 * the first parameter being an object, it instead is the map
… …
2192 * flags has no meaning for this function at this time - I kept it in to 1581 * flags has no meaning for this function at this time - I kept it in to
2193 * be more consistant with the above function and also in case they are needed 1582 * be more consistant with the above function and also in case they are needed
2194 * for something in the future. Also, since no object is pasted, the best 1583 * for something in the future. Also, since no object is pasted, the best
2195 * field of the rv_vector is set to NULL. 1584 * field of the rv_vector is set to NULL.
2196 */ 1585 */
2197 1586void
2198void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 1587get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
1588{
2199 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 1589 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1590 {
2200 /* be conservative and fill in _some_ data */ 1591 /* be conservative and fill in _some_ data */
2201 retval->distance = 100000; 1592 retval->distance = 100000;
2202 retval->distance_x = 32767; 1593 retval->distance_x = 32767;
2203 retval->distance_y = 32767; 1594 retval->distance_y = 32767;
2204 retval->direction = 0; 1595 retval->direction = 0;
2205 retval->part = 0; 1596 retval->part = 0;
2206 } else { 1597 }
1598 else
1599 {
2207 retval->distance_x += op2->x-x; 1600 retval->distance_x += op2->x - x;
2208 retval->distance_y += op2->y-y; 1601 retval->distance_y += op2->y - y;
2209 1602
2210 retval->part = NULL; 1603 retval->part = NULL;
2211 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1604 retval->distance = idistance (retval->distance_x, retval->distance_y);
2212 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1605 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2213 } 1606 }
2214} 1607}
2215 1608
2216/* Returns true of op1 and op2 are effectively on the same map 1609/* Returns true of op1 and op2 are effectively on the same map
2217 * (as related to map tiling). Note that this looks for a path from 1610 * (as related to map tiling). Note that this looks for a path from
2218 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1611 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2219 * to op1, this will still return false. 1612 * to op1, this will still return false.
2220 * Note we only look one map out to keep the processing simple 1613 * Note we only look one map out to keep the processing simple
2221 * and efficient. This could probably be a macro. 1614 * and efficient. This could probably be a macro.
2222 * MSW 2001-08-05 1615 * MSW 2001-08-05
2223 */ 1616 */
1617int
2224int on_same_map(const object *op1, const object *op2) { 1618on_same_map (const object *op1, const object *op2)
1619{
2225 int dx, dy; 1620 int dx, dy;
2226 1621
2227 return adjacent_map(op1->map, op2->map, &dx, &dy); 1622 return adjacent_map (op1->map, op2->map, &dx, &dy);
2228} 1623}
1624
1625object *
1626maptile::insert (object *op, int x, int y, object *originator, int flags)
1627{
1628 if (!op->flag [FLAG_REMOVED])
1629 op->remove ();
1630
1631 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1632}
1633
1634region *
1635maptile::region (int x, int y) const
1636{
1637 if (regions
1638 && regionmap
1639 && !OUT_OF_REAL_MAP (this, x, y))
1640 if (struct region *reg = regionmap [regions [y * width + x]])
1641 return reg;
1642
1643 if (default_region)
1644 return default_region;
1645
1646 return ::region::default_region ();
1647}
1648
1649/* picks a random object from a style map.
1650 * Redone by MSW so it should be faster and not use static
1651 * variables to generate tables.
1652 */
1653object *
1654maptile::pick_random_object () const
1655{
1656 /* while returning a null object will result in a crash, that
1657 * is actually preferable to an infinite loop. That is because
1658 * most servers will automatically restart in case of crash.
1659 * Change the logic on getting the random space - shouldn't make
1660 * any difference, but this seems clearer to me.
1661 */
1662 for (int i = 1000; --i;)
1663 {
1664 object *pick = at (rndm (width), rndm (height)).bot;
1665
1666 // do not prefer big monsters just because they are big.
1667 if (pick && pick->head_ () == pick)
1668 return pick->head_ ();
1669 }
1670
1671 // instead of crashing in the unlikely(?) case, try to return *something*
1672 return get_archetype ("blocked");
1673}
1674
1675/**
1676 * Maximum distance a player may hear a sound from.
1677 * This is only used for new client/server sound. If the sound source
1678 * on the map is farther away than this, we don't sent it to the client.
1679 */
1680#define MAX_SOUND_DISTANCE 10
1681
1682void
1683maptile::play_sound (faceidx sound, int x, int y) const
1684{
1685 if (!sound)
1686 return;
1687
1688 for_all_players (pl)
1689 if (pl->ob->map == this)
1690 if (client *ns = pl->ns)
1691 {
1692 int dx = x - pl->ob->x;
1693 int dy = y - pl->ob->y;
1694
1695 int distance = idistance (dx, dy);
1696
1697 if (distance <= MAX_SOUND_DISTANCE)
1698 ns->play_sound (sound, dx, dy);
1699 }
1700}
1701

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