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Comparing deliantra/server/common/map.C (file contents):
Revision 1.15 by root, Wed Aug 30 08:28:32 2006 UTC vs.
Revision 1.62 by root, Sun Dec 31 22:23:11 2006 UTC

1/*
2 * static char *rcsid_map_c =
3 * "$Id: map.C,v 1.15 2006/08/30 08:28:32 root Exp $";
4 */
5
6/* 1/*
7 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
8 3
9 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
21 16
22 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 20
26 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
27*/ 22*/
28
29 23
30#include <global.h> 24#include <global.h>
31#include <funcpoint.h> 25#include <funcpoint.h>
32 26
33#include <loader.h> 27#include <loader.h>
34#ifndef WIN32 /* ---win32 exclude header */
35#include <unistd.h> 28#include <unistd.h>
36#endif /* win32 */
37 29
38#include "path.h" 30#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 31
59/* 32/*
60 * This makes a path absolute outside the world of Crossfire. 33 * This makes a path absolute outside the world of Crossfire.
61 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 34 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
62 * and returns the pointer to a static array containing the result. 35 * and returns the pointer to a static array containing the result.
63 * it really should be called create_mapname 36 * it really should be called create_mapname
64 */ 37 */
65 38const char *
66const char *create_pathname (const char *name) { 39create_pathname (const char *name)
40{
67 static char buf[MAX_BUF]; 41 static char buf[8192];
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); 42 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
76 return (buf); 43 return buf;
77} 44}
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 45
138/* 46/*
139 * This function checks if a file with the given path exists. 47 * This function checks if a file with the given path exists.
140 * -1 is returned if it fails, otherwise the mode of the file 48 * -1 is returned if it fails, otherwise the mode of the file
141 * is returned. 49 * is returned.
… …
148 * the rest of the code only cares that the file is readable. 56 * 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 57 * when the editor goes away, the call to stat should probably be
150 * replaced by an access instead (similar to the windows one, but 58 * replaced by an access instead (similar to the windows one, but
151 * that seems to be missing the prepend_dir processing 59 * that seems to be missing the prepend_dir processing
152 */ 60 */
153 61int
154int check_path (const char *name, int prepend_dir) 62check_path (const char *name, int prepend_dir)
155{ 63{
156 char buf[MAX_BUF]; 64 char buf[MAX_BUF];
157#ifndef WIN32 65
158 char *endbuf; 66 char *endbuf;
159 struct stat statbuf; 67 struct stat statbuf;
160 int mode = 0, i; 68 int mode = 0;
161#endif
162 69
163 if (prepend_dir) 70 if (prepend_dir)
164 strcpy (buf, create_pathname(name)); 71 strcpy (buf, create_pathname (name));
165 else 72 else
166 strcpy(buf, name); 73 strcpy (buf, name);
167#ifdef WIN32 /* ***win32: check this sucker in windows style. */
168 return(_access(buf,0));
169#else
170 74
171 /* old method (strchr(buf, '\0')) seemd very odd to me - 75 /* old method (strchr(buf, '\0')) seemd very odd to me -
172 * this method should be equivalant and is clearer. 76 * this method should be equivalant and is clearer.
173 * Can not use strcat because we need to cycle through 77 * Can not use strcat because we need to cycle through
174 * all the names. 78 * all the names.
175 */ 79 */
176 endbuf = buf + strlen(buf); 80 endbuf = buf + strlen (buf);
177 81
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)) 82 if (stat (buf, &statbuf))
184 break;
185 }
186 if (i == NROF_COMPRESS_METHODS)
187 return (-1); 83 return -1;
188 if (!S_ISREG (statbuf.st_mode)) 84 if (!S_ISREG (statbuf.st_mode))
189 return (-1); 85 return (-1);
190 86
191 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) || 87 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
192 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) || 88 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
193 (statbuf.st_mode & S_IROTH))
194 mode |= 4; 89 mode |= 4;
195 90
196 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) || 91 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
197 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) || 92 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
198 (statbuf.st_mode & S_IWOTH))
199 mode |= 2; 93 mode |= 2;
200 94
201 return (mode); 95 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} 96}
242 97
243/* This rolls up wall, blocks_magic, blocks_view, etc, all into 98/* This rolls up wall, blocks_magic, blocks_view, etc, all into
244 * one function that just returns a P_.. value (see map.h) 99 * one function that just returns a P_.. value (see map.h)
245 * it will also do map translation for tiled maps, returning 100 * it will also do map translation for tiled maps, returning
… …
248 * by a P_NEW_MAP value, another call to get_map_from_coord 103 * 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 104 * is needed. The case of not passing values is if we're just
250 * checking for the existence of something on those spaces, but 105 * checking for the existence of something on those spaces, but
251 * don't expect to insert/remove anything from those spaces. 106 * don't expect to insert/remove anything from those spaces.
252 */ 107 */
108int
253int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 109get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
254{ 110{
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; 111 sint16 newx = x;
261 newy = y; 112 sint16 newy = y;
113
262 mp = get_map_from_coord(oldmap, &newx, &newy); 114 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
263 if (mp != oldmap) 115
264 retval |= P_NEW_MAP; 116 if (!mp)
117 return P_OUT_OF_MAP;
118
265 if (newmap) *newmap = mp; 119 if (newmap) *newmap = mp;
266 if (nx) *nx = newx; 120 if (nx) *nx = newx;
267 if (ny) *ny = newy; 121 if (ny) *ny = newy;
268 retval |= mp->spaces[newx + mp->width * newy].flags;
269 122
270 if (retval & P_SAFE) 123 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} 124}
275
276 125
277/* 126/*
278 * Returns true if the given coordinate is blocked except by the 127 * Returns true if the given coordinate is blocked except by the
279 * object passed is not blocking. This is used with 128 * object passed is not blocking. This is used with
280 * multipart monsters - if we want to see if a 2x2 monster 129 * multipart monsters - if we want to see if a 2x2 monster
… …
284 * monster. 133 * monster.
285 * m, x, y are the target map/coordinates - needed for map tiling. 134 * m, x, y are the target map/coordinates - needed for map tiling.
286 * the coordinates & map passed in should have been updated for tiling 135 * the coordinates & map passed in should have been updated for tiling
287 * by the caller. 136 * by the caller.
288 */ 137 */
289 138int
290int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 139blocked_link (object *ob, maptile *m, int sx, int sy)
140{
291 object *tmp; 141 object *tmp;
292 int mflags, blocked; 142 int mflags, blocked;
293 143
294 /* Make sure the coordinates are valid - they should be, as caller should 144 /* Make sure the coordinates are valid - they should be, as caller should
295 * have already checked this. 145 * have already checked this.
296 */ 146 */
297 if (OUT_OF_REAL_MAP(m, sx, sy)) { 147 if (OUT_OF_REAL_MAP (m, sx, sy))
148 {
298 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 149 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
299 return 1; 150 return 1;
300 } 151 }
301 152
302 /* Save some cycles - instead of calling get_map_flags(), just get the value 153 /* Save some cycles - instead of calling get_map_flags(), just get the value
303 * directly. 154 * directly.
304 */ 155 */
305 mflags = m->spaces[sx + m->width * sy].flags; 156 mflags = m->at (sx, sy).flags ();
306 157
307 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 158 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
308 159
309 /* If space is currently not blocked by anything, no need to 160 /* If space is currently not blocked by anything, no need to
310 * go further. Not true for players - all sorts of special 161 * go further. Not true for players - all sorts of special
311 * things we need to do for players. 162 * things we need to do for players.
312 */ 163 */
313 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 164 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
165 return 0;
314 166
315 /* if there isn't anytyhing alive on this space, and this space isn't 167 /* 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 168 * 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 169 * 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 170 * or another. Likewise, only if something is blocking us do we
319 * need to investigate if there is a special circumstance that would 171 * need to investigate if there is a special circumstance that would
320 * let the player through (inventory checkers for example) 172 * let the player through (inventory checkers for example)
321 */ 173 */
322 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0; 174 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
175 return 0;
323 176
324 if(ob->head != NULL) 177 if (ob->head != NULL)
325 ob=ob->head; 178 ob = ob->head;
326 179
327 /* We basically go through the stack of objects, and if there is 180 /* 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 181 * some other object that has NO_PASS or FLAG_ALIVE set, return
329 * true. If we get through the entire stack, that must mean 182 * true. If we get through the entire stack, that must mean
330 * ob is blocking it, so return 0. 183 * ob is blocking it, so return 0.
331 */ 184 */
332 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) { 185 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
186 {
333 187
334 /* This must be before the checks below. Code for inventory checkers. */ 188 /* This must be before the checks below. Code for inventory checkers. */
335 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) { 189 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
190 {
336 /* If last_sp is set, the player/monster needs an object, 191 /* 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 192 * so we check for it. If they don't have it, they can't
338 * pass through this space. 193 * pass through this space.
339 */ 194 */
340 if (tmp->last_sp) { 195 if (tmp->last_sp)
196 {
341 if (check_inv_recursive(ob,tmp)==NULL) 197 if (check_inv_recursive (ob, tmp) == NULL)
342 return 1; 198 return 1;
343 else 199 else
344 continue; 200 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 } 201 }
354 } /* if check_inv */
355 else { 202 else
203 {
204 /* In this case, the player must not have the object -
205 * if they do, they can't pass through.
206 */
207 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
208 return 1;
209 else
210 continue;
211 }
212 } /* if check_inv */
213 else
214 {
356 /* Broke apart a big nasty if into several here to make 215 /* Broke apart a big nasty if into several here to make
357 * this more readable. first check - if the space blocks 216 * this more readable. first check - if the space blocks
358 * movement, can't move here. 217 * movement, can't move here.
359 * second - if a monster, can't move there, unles it is a 218 * second - if a monster, can't move there, unles it is a
360 * hidden dm 219 * hidden dm
361 */ 220 */
362 if (OB_MOVE_BLOCK(ob, tmp)) return 1; 221 if (OB_MOVE_BLOCK (ob, tmp))
222 return 1;
363 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob && 223 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
364 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden)) 224 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))
365 return 1; 225 return 1;
366 } 226 }
367 227
368 } 228 }
369 return 0; 229 return 0;
370} 230}
371 231
372 232
373/* 233/*
374 * Returns true if the given object can't fit in the given spot. 234 * Returns true if the given object can't fit in the given spot.
… …
394 * 254 *
395 * Note this used to be arch_blocked, but with new movement 255 * Note this used to be arch_blocked, but with new movement
396 * code, we need to have actual object to check its move_type 256 * code, we need to have actual object to check its move_type
397 * against the move_block values. 257 * against the move_block values.
398 */ 258 */
399 259int
400int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 260ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
261{
401 archetype *tmp; 262 archetype *tmp;
402 int flag; 263 int flag;
403 mapstruct *m1; 264 maptile *m1;
404 sint16 sx, sy; 265 sint16 sx, sy;
405 266
406 if(ob==NULL) { 267 if (!ob)
268 {
407 flag= get_map_flags(m,&m1, x,y, &sx, &sy); 269 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
408 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 270 if (flag & P_OUT_OF_MAP)
271 return P_OUT_OF_MAP;
409 272
410 /* don't have object, so don't know what types would block */ 273 /* don't have object, so don't know what types would block */
411 return(GET_MAP_MOVE_BLOCK(m1, sx, sy)); 274 return m1->at (sx, sy).move_block;
412 } 275 }
413 276
414 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { 277 for (tmp = ob->arch; tmp; tmp = tmp->more)
278 {
415 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 279 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
416 280
417 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 281 if (flag & P_OUT_OF_MAP)
418 if (flag & P_IS_ALIVE) return P_IS_ALIVE; 282 return P_OUT_OF_MAP;
283 if (flag & P_IS_ALIVE)
284 return P_IS_ALIVE;
419 285
286 mapspace &ms = m1->at (sx, sy);
287
420 /* find_first_free_spot() calls this function. However, often 288 /* find_first_free_spot() calls this function. However, often
421 * ob doesn't have any move type (when used to place exits) 289 * 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. 290 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
423 */ 291 */
424 292
425 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue; 293 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
294 continue;
426 295
427 /* Note it is intentional that we check ob - the movement type of the 296 /* Note it is intentional that we check ob - the movement type of the
428 * head of the object should correspond for the entire object. 297 * head of the object should correspond for the entire object.
429 */ 298 */
430 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 299 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
431 return AB_NO_PASS; 300 return P_NO_PASS;
432
433 } 301 }
302
434 return 0; 303 return 0;
435} 304}
436 305
437/* When the map is loaded, load_object does not actually insert objects 306/* 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 307 * into inventory, but just links them. What this does is go through
439 * and insert them properly. 308 * and insert them properly.
440 * The object 'container' is the object that contains the inventory. 309 * The object 'container' is the object that contains the inventory.
441 * This is needed so that we can update the containers weight. 310 * This is needed so that we can update the containers weight.
442 */ 311 */
443 312void
444void fix_container(object *container) 313fix_container (object *container)
445{ 314{
446 object *tmp=container->inv, *next; 315 object *tmp = container->inv, *next;
447 316
448 container->inv=NULL; 317 container->inv = 0;
449 while (tmp!=NULL) { 318 while (tmp)
319 {
450 next = tmp->below; 320 next = tmp->below;
451 if (tmp->inv) 321 if (tmp->inv)
452 fix_container(tmp); 322 fix_container (tmp);
323
453 (void) insert_ob_in_ob(tmp,container); 324 insert_ob_in_ob (tmp, container);
454 tmp = next; 325 tmp = next;
455 } 326 }
327
456 /* sum_weight will go through and calculate what all the containers are 328 /* sum_weight will go through and calculate what all the containers are
457 * carrying. 329 * carrying.
458 */ 330 */
459 sum_weight(container); 331 sum_weight (container);
460} 332}
461 333
462/* link_multipart_objects go through all the objects on the map looking 334/* 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 335 * 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 336 * 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 337 * they are saved). We do have to look for the old maps that did save
466 * the more sections and not re-add sections for them. 338 * the more sections and not re-add sections for them.
467 */ 339 */
468 340void
469static void link_multipart_objects(mapstruct *m) 341maptile::link_multipart_objects ()
470{ 342{
471 int x,y; 343 if (!spaces)
472 object *tmp, *op, *last, *above; 344 return;
473 archetype *at;
474 345
475 for(x=0;x<MAP_WIDTH(m);x++) 346 for (mapspace *ms = spaces + size (); ms-- > spaces; )
476 for(y=0;y<MAP_HEIGHT(m);y++) 347 for (object *tmp = ms->bot; tmp; )
477 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 348 {
478 above=tmp->above; 349 object *above = tmp->above;
479 350
480 /* already multipart - don't do anything more */ 351 /* already multipart - don't do anything more */
481 if (tmp->head || tmp->more) continue; 352 if (!tmp->head && !tmp->more)
482 353 {
483 /* If there is nothing more to this object, this for loop 354 /* If there is nothing more to this object, this for loop
484 * won't do anything. 355 * won't do anything.
356 */
357 archetype *at;
358 object *last, *op;
359 for (at = tmp->arch->more, last = tmp;
360 at;
361 at = at->more, last = op)
362 {
363 op = arch_to_object (at);
364
365 /* update x,y coordinates */
366 op->x += tmp->x;
367 op->y += tmp->y;
368 op->head = tmp;
369 op->map = this;
370 last->more = op;
371 op->name = tmp->name;
372 op->title = tmp->title;
373
374 /* we could link all the parts onto tmp, and then just
375 * call insert_ob_in_map once, but the effect is the same,
376 * as insert_ob_in_map will call itself with each part, and
377 * the coding is simpler to just to it here with each part.
485 */ 378 */
486 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) {
487 op = arch_to_object(at);
488
489 /* update x,y coordinates */
490 op->x += tmp->x;
491 op->y += tmp->y;
492 op->head = tmp;
493 op->map = m;
494 last->more = op;
495 if (tmp->name != op->name) {
496 if (op->name) free_string(op->name);
497 op->name = add_string(tmp->name);
498 }
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); 379 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}
512
513 380 }
381 }
382
383 tmp = above;
384 }
385}
514 386
515/* 387/*
516 * Loads (ands parses) the objects into a given map from the specified 388 * Loads (ands parses) the objects into a given map from the specified
517 * file pointer. 389 * file pointer.
518 * mapflags is the same as we get with load_original_map 390 * mapflags is the same as we get with load_original_map
519 */ 391 */
520 392bool
521void load_objects (mapstruct *m, object_thawer &fp, int mapflags) { 393maptile::load_objects (object_thawer &thawer)
522 int i,j,bufstate=LO_NEWFILE; 394{
523 int unique; 395 int unique;
524 object *op, *prev=NULL,*last_more=NULL, *otmp; 396 object *op, *prev = NULL, *last_more = NULL, *otmp;
525 397
526 op=get_object(); 398 op = object::create ();
527 op->map = m; /* To handle buttons correctly */ 399 op->map = this; /* To handle buttons correctly */
528 400
529 while((i = load_object (fp, op, bufstate, mapflags))) { 401 while (int i = load_object (thawer, op, 0))
530 /* Since the loading of the map header does not load an object 402 {
531 * anymore, we need to pass LO_NEWFILE for the first object loaded,
532 * and then switch to LO_REPEAT for faster loading.
533 */
534 bufstate = LO_REPEAT;
535
536 /* if the archetype for the object is null, means that we 403 /* if the archetype for the object is null, means that we
537 * got an invalid object. Don't do anything with it - the game 404 * got an invalid object. Don't do anything with it - the game
538 * or editor will not be able to do anything with it either. 405 * or editor will not be able to do anything with it either.
539 */ 406 */
540 if (op->arch==NULL) { 407 if (op->arch == NULL)
408 {
541 LOG(llevDebug,"Discarding object without arch: %s\n", op->name?op->name:"(null)"); 409 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
542 continue; 410 continue;
543 } 411 }
544 412
545
546 switch(i) { 413 switch (i)
414 {
547 case LL_NORMAL: 415 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); 416 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
554 417
555 if (op->inv) 418 if (op->inv)
556 sum_weight(op); 419 sum_weight (op);
557 420
558 prev=op,last_more=op; 421 prev = op, last_more = op;
559 break; 422 break;
560 423
561 case LL_MORE: 424 case LL_MORE:
562 insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 425 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);
563 op->head=prev,last_more->more=op,last_more=op; 426 op->head = prev, last_more->more = op, last_more = op;
564 break; 427 break;
565 } 428 }
566 if (mapflags & MAP_STYLE) { 429
567 remove_from_active_list(op); 430 op = object::create ();
431 op->map = this;
432 }
433
434 op->destroy ();
435
436#if 0
437 for (i = 0; i < width; i++)
438 for (j = 0; j < height; j++)
439 {
440 unique = 0;
441 /* check for unique items, or unique squares */
442 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
443 {
444 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
445 unique = 1;
446
447 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
448 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
449 }
450 }
451#endif
452
453 return true;
454}
455
456void
457maptile::activate ()
458{
459 if (!spaces)
460 return;
461
462 for (mapspace *ms = spaces + size (); ms-- > spaces; )
463 for (object *op = ms->bot; op; op = op->above)
464 op->activate_recursive ();
465}
466
467void
468maptile::deactivate ()
469{
470 if (!spaces)
471 return;
472
473 for (mapspace *ms = spaces + size (); ms-- > spaces; )
474 for (object *op = ms->bot; op; op = op->above)
475 op->deactivate_recursive ();
476}
477
478bool
479maptile::save_objects (object_freezer &freezer, int flags)
480{
481 if (flags & IO_HEADER)
482 save_header (freezer);
483
484 if (!spaces)
485 return false;
486
487 for (int i = 0; i < size (); ++i)
488 {
489 int unique = 0;
490 for (object *op = spaces [i].bot; op; op = op->above)
491 {
492 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
493 unique = 1;
494
495 if (!op->can_map_save ())
496 continue;
497
498 if (unique || op->flag [FLAG_UNIQUE])
499 {
500 if (flags & IO_UNIQUES)
501 save_object (freezer, op, 1);
502 }
503 else if (flags & IO_OBJECTS)
504 save_object (freezer, op, 1);
568 } 505 }
569 op=get_object();
570 op->map = m;
571 } 506 }
572 for (i=0;i<m->width;i++){ 507
573 for (j=0;j<m->height;j++){ 508 return true;
574 unique =0; 509}
575 /* check for unique items, or unique squares */ 510
576 for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) { 511bool
577 if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL)) 512maptile::load_objects (const char *path, bool skip_header)
578 unique = 1; 513{
579 if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique)) 514 object_thawer thawer (path);
580 SET_FLAG(otmp, FLAG_OBJ_ORIGINAL); 515
581 } 516 if (!thawer)
517 return false;
518
519 if (skip_header)
520 for (;;)
521 {
522 keyword kw = thawer.get_kv ();
523
524 if (kw == KW_end)
525 break;
526
527 thawer.skip_kv (kw);
582 } 528 }
583 }
584 free_object(op);
585 link_multipart_objects(m);
586}
587 529
588/* This saves all the objects on the map in a non destructive fashion. 530 return load_objects (thawer);
589 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 531}
590 * and we only save the head of multi part objects - this is needed 532
591 * in order to do map tiling properly. 533bool
534maptile::save_objects (const char *path, int flags)
535{
536 object_freezer freezer;
537
538 if (!save_objects (freezer, flags))
539 return false;
540
541 return freezer.save (path);
542}
543
544maptile::maptile ()
545{
546 in_memory = MAP_SWAPPED;
547
548 /* The maps used to pick up default x and y values from the
549 * map archetype. Mimic that behaviour.
592 */ 550 */
593void save_objects (mapstruct *m, object_freezer &fp, object_freezer &fp2, int flag) { 551 width = 16;
594 int i, j = 0,unique=0; 552 height = 16;
595 object *op; 553 reset_timeout = 0;
596 /* first pass - save one-part objects */ 554 timeout = 300;
597 for(i = 0; i < MAP_WIDTH(m); i++) 555 enter_x = 0;
598 for (j = 0; j < MAP_HEIGHT(m); j++) { 556 enter_y = 0;
599 unique=0; 557}
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;
603 558
604 if(op->type == PLAYER) { 559maptile::maptile (int w, int h)
605 LOG(llevDebug, "Player on map that is being saved\n"); 560{
606 continue; 561 in_memory = MAP_SWAPPED;
607 }
608 562
609 if (op->head || op->owner) 563 width = w;
610 continue; 564 height = h;
565 reset_timeout = 0;
566 timeout = 300;
567 enter_x = 0;
568 enter_y = 0;
611 569
612 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 570 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} 571}
623 572
624/* 573/*
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. 574 * Allocates the arrays contained in a maptile.
661 * This basically allocates the dynamic array of spaces for the 575 * This basically allocates the dynamic array of spaces for the
662 * map. 576 * map.
663 */ 577 */
664 578void
665void allocate_map(mapstruct *m) { 579maptile::alloc ()
666 m->in_memory = MAP_IN_MEMORY; 580{
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) { 581 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; 582 return;
583
584 spaces = salloc0<mapspace> (size ());
692} 585}
693 586
694/* Takes a string from a map definition and outputs a pointer to the array of shopitems 587/* 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 588 * corresponding to that string. Memory is allocated for this, it must be freed
696 * at a later date. 589 * at a later date.
697 * Called by parse_map_headers below. 590 * Called by parse_map_headers below.
698 */ 591 */
699 592static shopitems *
700static shopitems *parse_shop_string (const char *input_string) { 593parse_shop_string (const char *input_string)
594{
701 char *shop_string, *p, *q, *next_semicolon, *next_colon; 595 char *shop_string, *p, *q, *next_semicolon, *next_colon;
702 shopitems *items=NULL; 596 shopitems *items = NULL;
703 int i=0, number_of_entries=0; 597 int i = 0, number_of_entries = 0;
704 const typedata *current_type; 598 const typedata *current_type;
705 599
706 shop_string=strdup_local(input_string); 600 shop_string = strdup (input_string);
707 p=shop_string; 601 p = shop_string;
708 /* first we'll count the entries, we'll need that for allocating the array shortly */ 602 /* first we'll count the entries, we'll need that for allocating the array shortly */
709 while (p) { 603 while (p)
604 {
710 p=strchr(p, ';'); 605 p = strchr (p, ';');
711 number_of_entries++; 606 number_of_entries++;
712 if (p) p++; 607 if (p)
608 p++;
713 } 609 }
610
714 p=shop_string; 611 p = shop_string;
715 strip_endline(p); 612 strip_endline (p);
716 items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); 613 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++) { 614 for (i = 0; i < number_of_entries; i++)
615 {
719 if (!p) { 616 if (!p)
617 {
720 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 618 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
721 break; 619 break;
722 } 620 }
621
723 next_semicolon=strchr(p, ';'); 622 next_semicolon = strchr (p, ';');
724 next_colon=strchr(p, ':'); 623 next_colon = strchr (p, ':');
725 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 624 /* 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)) 625 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
727 items[i].strength=atoi(strchr(p,':')+1); 626 items[i].strength = atoi (strchr (p, ':') + 1);
627
628 if (isdigit (*p) || *p == '*')
728 629 {
729 if (isdigit(*p) || *p=='*') {
730 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */ 630 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
731 current_type=get_typedata(items[i].typenum); 631 current_type = get_typedata (items[i].typenum);
732 if (current_type) { 632 if (current_type)
633 {
733 items[i].name=current_type->name; 634 items[i].name = current_type->name;
734 items[i].name_pl=current_type->name_pl; 635 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 } 636 }
753 } 637 }
638 else
639 { /*we have a named type, let's figure out what it is */
640 q = strpbrk (p, ";:");
641 if (q)
642 *q = '\0';
643
644 current_type = get_typedata_by_name (p);
645 if (current_type)
646 {
647 items[i].name = current_type->name;
648 items[i].typenum = current_type->number;
649 items[i].name_pl = current_type->name_pl;
650 }
651 else
652 { /* oh uh, something's wrong, let's free up this one, and try
653 * the next entry while we're at it, better print a warning
654 */
655 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
656 }
657 }
658
754 items[i].index=number_of_entries; 659 items[i].index = number_of_entries;
755 if (next_semicolon) p=++next_semicolon; 660 if (next_semicolon)
661 p = ++next_semicolon;
662 else
756 else p=NULL; 663 p = NULL;
757 } 664 }
665
758 free(shop_string); 666 free (shop_string);
759 return items; 667 return items;
760} 668}
761 669
762/* opposite of parse string, this puts the string that was originally fed in to 670/* opposite of parse string, this puts the string that was originally fed in to
763 * the map (or something equivilent) into output_string. */ 671 * the map (or something equivilent) into output_string. */
672static void
764static void print_shop_string(mapstruct *m, char *output_string) { 673print_shop_string (maptile *m, char *output_string)
674{
765 int i; 675 int i;
766 char tmp[MAX_BUF]; 676 char tmp[MAX_BUF];
677
767 strcpy(output_string, ""); 678 strcpy (output_string, "");
768 for (i=0; i< m->shopitems[0].index; i++) { 679 for (i = 0; i < m->shopitems[0].index; i++)
680 {
769 if (m->shopitems[i].typenum) { 681 if (m->shopitems[i].typenum)
682 {
770 if (m->shopitems[i].strength) { 683 if (m->shopitems[i].strength)
771 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 684 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
772 } 685 else
773 else sprintf(tmp, "%s;", m->shopitems[i].name); 686 sprintf (tmp, "%s;", m->shopitems[i].name);
774 } 687 }
775 else { 688 else
689 {
776 if (m->shopitems[i].strength) { 690 if (m->shopitems[i].strength)
777 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 691 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
778 } 692 else
779 else sprintf(tmp, "*"); 693 sprintf (tmp, "*");
780 } 694 }
695
781 strcat(output_string, tmp); 696 strcat (output_string, tmp);
782 } 697 }
783} 698}
784 699
785/* This loads the header information of the map. The header 700/* This loads the header information of the map. The header
786 * contains things like difficulty, size, timeout, etc. 701 * contains things like difficulty, size, timeout, etc.
… …
790 * put all the stuff in the map object so that names actually make 705 * put all the stuff in the map object so that names actually make
791 * sense. 706 * sense.
792 * This could be done in lex (like the object loader), but I think 707 * 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. 708 * currently, there are few enough fields this is not a big deal.
794 * MSW 2001-07-01 709 * MSW 2001-07-01
795 * return 0 on success, 1 on failure.
796 */ 710 */
797 711bool
798static int load_map_header(object_thawer &fp, mapstruct *m) 712maptile::load_header (object_thawer &thawer)
799{ 713{
800 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 714 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
801 int msgpos=0; 715 int msgpos = 0;
802 int maplorepos=0; 716 int maplorepos = 0;
803 717
804 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 718 for (;;)
805 buf[HUGE_BUF-1] = 0; 719 {
806 key = buf; 720 keyword kw = thawer.get_kv ();
807 while (isspace(*key)) key++; 721
808 if (*key == 0) continue; /* empty line */ 722 switch (kw)
809 value = strchr(key, ' ');
810 if (!value) {
811 end = strchr(key, '\n');
812 if (end != NULL) {
813 *end = 0;
814 }
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 } 723 {
828 if (!end) { 724 case KW_EOF:
829 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", 725 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
830 buf); 726 return false;
727
728 case KW_end:
831 return 1; 729 return true;
832 } 730
731 case KW_msg:
732 thawer.get_ml (KW_endmsg, msg);
833 733 break;
834 734
835 /* key is the field name, value is what it should be set 735 case KW_lore: // CF+ extension
836 * to. We've already done the work to null terminate key, 736 thawer.get_ml (KW_endlore, maplore);
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
850 if (!strcmp(key,"msg")) {
851 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
852 if (!strcmp(buf,"endmsg\n")) break;
853 else {
854 /* slightly more efficient than strcat */
855 strcpy(msgbuf+msgpos, buf);
856 msgpos += strlen(buf);
857 }
858 } 737 break;
859 /* There are lots of maps that have empty messages (eg, msg/endmsg 738
860 * with nothing between). There is no reason in those cases to 739 case KW_maplore:
861 * keep the empty message. Also, msgbuf contains garbage data 740 thawer.get_ml (KW_endmaplore, maplore);
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 } 741 break;
876 if (maplorepos != 0) 742
877 m->maplore = strdup_local(maplorebuf); 743 case KW_arch:
878 } 744 if (strcmp (thawer.get_str (), "map"))
879 else if (!strcmp(key,"end")) { 745 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
746 break;
747
748 case KW_oid:
749 thawer.get (this, thawer.get_sint32 ());
750 break;
751
752 case KW_file_format_version: break; // nop
753
754 case KW_name: thawer.get (name); break;
755 case KW_attach: thawer.get (attach); break;
756 case KW_reset_time: thawer.get (reset_time); break;
757 case KW_shopgreed: thawer.get (shopgreed); break;
758 case KW_shopmin: thawer.get (shopmin); break;
759 case KW_shopmax: thawer.get (shopmax); break;
760 case KW_shoprace: thawer.get (shoprace); break;
761 case KW_outdoor: thawer.get (outdoor); break;
762 case KW_temp: thawer.get (temp); break;
763 case KW_pressure: thawer.get (pressure); break;
764 case KW_humid: thawer.get (humid); break;
765 case KW_windspeed: thawer.get (windspeed); break;
766 case KW_winddir: thawer.get (winddir); break;
767 case KW_sky: thawer.get (sky); break;
768
769 case KW_per_player: thawer.get (per_player); break;
770 case KW_per_party: thawer.get (per_party); break;
771
772 case KW_region: get_region_by_name (thawer.get_str ()); break;
773 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
774
775 // old names new names
776 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
777 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
778 case KW_x: case KW_width: thawer.get (width); break;
779 case KW_y: case KW_height: thawer.get (height); break;
780 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
781 case KW_value: case KW_swap_time: thawer.get (timeout); break;
782 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
783 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
784 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
785
786 case KW_tile_path_1: thawer.get (tile_path [0]); break;
787 case KW_tile_path_2: thawer.get (tile_path [1]); break;
788 case KW_tile_path_3: thawer.get (tile_path [2]); break;
789 case KW_tile_path_4: thawer.get (tile_path [3]); break;
790
791 default:
792 LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]);
880 break; 793 break;
881 } 794 }
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,"oid")) {
899 fp.get (m, atoi(value));
900 } else if (!strcmp(key, "attach")) {
901 m->attach = add_string (value);
902 } else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) {
903 m->enter_x = atoi(value);
904 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) {
905 m->enter_y = atoi(value);
906 } else if (!strcmp(key,"x") || !strcmp(key, "width")) {
907 m->width = atoi(value);
908 } else if (!strcmp(key,"y") || !strcmp(key, "height")) {
909 m->height = atoi(value);
910 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) {
911 m->reset_timeout = atoi(value);
912 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) {
913 m->timeout = atoi(value);
914 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) {
915 m->difficulty = atoi(value);
916 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) {
917 m->darkness = atoi(value);
918 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) {
919 m->fixed_resettime = atoi(value);
920 } else if (!strcmp(key,"unique")) {
921 m->unique = atoi(value);
922 } else if (!strcmp(key,"template")) {
923 m->templatemap = atoi(value);
924 } else if (!strcmp(key,"region")) {
925 m->region = get_region_by_name(value);
926 } else if (!strcmp(key,"shopitems")) {
927 *end=0;
928 m->shopitems = parse_shop_string(value);
929 } else if (!strcmp(key,"shopgreed")) {
930 m->shopgreed = atof(value);
931 } else if (!strcmp(key,"shopmin")) {
932 m->shopmin = atol(value);
933 } else if (!strcmp(key,"shopmax")) {
934 m->shopmax = atol(value);
935 } else if (!strcmp(key,"shoprace")) {
936 *end=0;
937 m->shoprace = strdup_local(value);
938 } else if (!strcmp(key,"outdoor")) {
939 m->outdoor = atoi(value);
940 } else if (!strcmp(key, "temp")) {
941 m->temp = atoi(value);
942 } else if (!strcmp(key, "pressure")) {
943 m->pressure = atoi(value);
944 } else if (!strcmp(key, "humid")) {
945 m->humid = atoi(value);
946 } else if (!strcmp(key, "windspeed")) {
947 m->windspeed = atoi(value);
948 } else if (!strcmp(key, "winddir")) {
949 m->winddir = atoi(value);
950 } else if (!strcmp(key, "sky")) {
951 m->sky = atoi(value);
952 } else if (!strcmp(key, "nosmooth")) {
953 m->nosmooth = atoi(value);
954 }
955 else if (!strncmp(key,"tile_path_", 10)) {
956 int tile=atoi(key+10);
957
958 if (tile<1 || tile>4) {
959 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n",
960 tile, m->path);
961 } else {
962 char *path;
963
964 *end = 0;
965
966 if (m->tile_path[tile-1]) {
967 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n",
968 tile, m->path);
969 free(m->tile_path[tile-1]);
970 m->tile_path[tile-1] = NULL;
971 }
972
973 if (check_path(value, 1) != -1) {
974 /* The unadorned path works. */
975 path = value;
976 } else {
977 /* Try again; it could be a relative exit. */
978
979 path = path_combine_and_normalize(m->path, value);
980
981 if (check_path(path, 1) == -1) {
982 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
983 path = NULL;
984 }
985 }
986
987 if (editor) {
988 /* Use the value as in the file. */
989 m->tile_path[tile-1] = strdup_local(value);
990 } else if (path != NULL) {
991 /* Use the normalized value. */
992 m->tile_path[tile-1] = strdup_local(path);
993 }
994 } /* end if tile direction (in)valid */
995 }
996 else {
997 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value);
998 }
999 }
1000 if (!key || strcmp(key,"end")) {
1001 LOG(llevError,"Got premature eof on map header!\n");
1002 return 1;
1003 }
1004 return 0;
1005}
1006
1007/*
1008 * Opens the file "filename" and reads information about the map
1009 * from the given file, and stores it in a newly allocated
1010 * mapstruct. A pointer to this structure is returned, or NULL on failure.
1011 * flags correspond to those in map.h. Main ones used are
1012 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1013 * MAP_BLOCK, in which case we block on this load. This happens in all
1014 * cases, no matter if this flag is set or not.
1015 * MAP_STYLE: style map - don't add active objects, don't add to server
1016 * managed map list.
1017 */
1018
1019mapstruct *load_original_map(const char *filename, int flags) {
1020 mapstruct *m;
1021 char pathname[MAX_BUF];
1022 795 }
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 796
797 abort ();
798}
799
800bool
801maptile::load_header (const char *path)
802{
1031 object_thawer thawer (pathname); 803 object_thawer thawer (path);
1032 804
1033 if (!thawer) 805 if (!thawer)
1034 return 0;
1035
1036 m = get_linked_map();
1037
1038 strcpy (m->path, filename);
1039 if (load_map_header(thawer, 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
1048 m->in_memory=MAP_LOADING;
1049 load_objects (m, thawer, flags & (MAP_BLOCK|MAP_STYLE));
1050
1051 m->in_memory=MAP_IN_MEMORY;
1052 if (!MAP_DIFFICULTY(m))
1053 MAP_DIFFICULTY(m)=calculate_difficulty(m);
1054 set_map_reset_time(m);
1055 m->instantiate ();
1056 return (m);
1057}
1058
1059/*
1060 * Loads a map, which has been loaded earlier, from file.
1061 * Return the map object we load into (this can change from the passed
1062 * option if we can't find the original map)
1063 */
1064
1065static mapstruct *load_temporary_map(mapstruct *m) {
1066 int comp;
1067 char buf[MAX_BUF];
1068
1069 if (!m->tmpname) {
1070 LOG(llevError, "No temporary filename for map %s\n", m->path);
1071 strcpy(buf, m->path);
1072 delete_map(m);
1073 m = load_original_map(buf, 0);
1074 if(m==NULL) return NULL;
1075 fix_auto_apply(m); /* Chests which open as default */
1076 return m;
1077 }
1078
1079 object_thawer thawer (m->tmpname);
1080
1081 if (!thawer)
1082 {
1083 strcpy (buf, m->path);
1084 delete_map (m);
1085 m = load_original_map (buf, 0);
1086 if (!m) return NULL;
1087 fix_auto_apply (m); /* Chests which open as default */
1088 return m;
1089 }
1090
1091 if (load_map_header(thawer, m)) {
1092 LOG(llevError,"Error loading map header for %s (%s)\n",
1093 m->path, m->tmpname);
1094 delete_map(m);
1095 m = load_original_map(m->path, 0);
1096 return NULL;
1097 }
1098 allocate_map(m);
1099
1100 m->in_memory=MAP_LOADING;
1101 load_objects (m, thawer, 0);
1102
1103 m->in_memory=MAP_IN_MEMORY;
1104 INVOKE_MAP (SWAPIN, m);
1105 return m; 806 return false;
1106}
1107 807
1108/* 808 return load_header (thawer);
1109 * Loads a map, which has been loaded earlier, from file.
1110 * Return the map object we load into (this can change from the passed
1111 * option if we can't find the original map)
1112 */
1113
1114mapstruct *load_overlay_map(const char *filename, mapstruct *m) {
1115 char pathname[MAX_BUF];
1116
1117 strcpy(pathname, create_overlay_pathname(filename));
1118
1119 object_thawer thawer (pathname);
1120
1121 if (!thawer)
1122 return m;
1123
1124 if (load_map_header(thawer, m)) {
1125 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1126 m->path, pathname);
1127 delete_map(m);
1128 m = load_original_map(m->path, 0);
1129 return NULL;
1130 }
1131 /*allocate_map(m);*/
1132
1133 m->in_memory=MAP_LOADING;
1134 load_objects (m, thawer, MAP_OVERLAY);
1135
1136 m->in_memory=MAP_IN_MEMORY;
1137 return m;
1138} 809}
1139 810
1140/****************************************************************************** 811/******************************************************************************
1141 * This is the start of unique map handling code 812 * This is the start of unique map handling code
1142 *****************************************************************************/ 813 *****************************************************************************/
1143 814
1144/* This goes through map 'm' and removed any unique items on the map. */ 815/* This goes through the maptile and removed any unique items on the map. */
1145static void delete_unique_items(mapstruct *m) 816void
817maptile::clear_unique_items ()
1146{ 818{
1147 int i,j,unique; 819 for (int i = 0; i < size (); ++i)
1148 object *op, *next; 820 {
1149
1150 for(i=0; i<MAP_WIDTH(m); i++)
1151 for(j=0; j<MAP_HEIGHT(m); j++) {
1152 unique=0; 821 int unique = 0;
1153 for (op=get_map_ob(m, i, j); op; op=next) { 822 for (object *op = spaces [i].bot; op; )
1154 next = op->above; 823 {
824 object *above = op->above;
825
1155 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 826 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1156 unique=1; 827 unique = 1;
828
1157 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 829 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1158 clean_object(op);
1159 if (QUERY_FLAG(op, FLAG_IS_LINKED))
1160 remove_button_link(op);
1161 remove_ob(op);
1162 free_object(op);
1163 } 830 {
831 op->destroy_inv (false);
832 op->destroy ();
1164 } 833 }
834
835 op = above;
1165 } 836 }
1166}
1167
1168
1169/*
1170 * Loads unique objects from file(s) into the map which is in memory
1171 * m is the map to load unique items into.
1172 */
1173static void load_unique_objects(mapstruct *m) {
1174 int count;
1175 char firstname[MAX_BUF];
1176
1177 for (count=0; count<10; count++) {
1178 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count);
1179 if (!access(firstname, R_OK)) break;
1180 }
1181 /* If we get here, we did not find any map */
1182 if (count==10) return;
1183
1184 object_thawer thawer (firstname);
1185
1186 if (!thawer)
1187 return;
1188
1189 m->in_memory=MAP_LOADING;
1190 if (m->tmpname == NULL) /* if we have loaded unique items from */
1191 delete_unique_items(m); /* original map before, don't duplicate them */
1192 load_object(thawer, NULL, LO_NOREAD,0);
1193 load_objects (m, thawer, 0);
1194
1195 m->in_memory=MAP_IN_MEMORY;
1196}
1197
1198
1199/*
1200 * Saves a map to file. If flag is set, it is saved into the same
1201 * file it was (originally) loaded from. Otherwise a temporary
1202 * filename will be genarated, and the file will be stored there.
1203 * The temporary filename will be stored in the mapstructure.
1204 * If the map is unique, we also save to the filename in the map
1205 * (this should have been updated when first loaded)
1206 */
1207
1208int
1209new_save_map (mapstruct * m, int flag)
1210{
1211 char filename[MAX_BUF], buf[MAX_BUF], buf_s[MAX_BUF], shop[MAX_BUF];
1212 int i;
1213
1214 if (flag && !*m->path)
1215 { 837 }
1216 LOG (llevError, "Tried to save map without path.\n"); 838}
1217 return -1;
1218 }
1219 839
1220 if (flag || (m->unique) || (m->templatemap)) 840bool
1221 { 841maptile::save_header (object_freezer &freezer)
1222 if (!m->unique && !m->templatemap) 842{
1223 { /* flag is set */ 843#define MAP_OUT(k) freezer.put (KW_ ## k, k)
1224 if (flag == 2) 844#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
1225 strcpy (filename, create_overlay_pathname (m->path));
1226 else
1227 strcpy (filename, create_pathname (m->path));
1228 }
1229 else
1230 strcpy (filename, m->path);
1231 845
1232 make_path_to_file (filename); 846 MAP_OUT2 (arch, "map");
1233 }
1234 else
1235 {
1236 if (!m->tmpname)
1237 m->tmpname = tempnam_local (settings.tmpdir, NULL);
1238 strcpy (filename, m->tmpname);
1239 }
1240 847
1241 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename); 848 if (name) MAP_OUT (name);
1242 m->in_memory = MAP_SAVING; 849 MAP_OUT (swap_time);
1243 850 MAP_OUT (reset_time);
1244 object_freezer fp (filename); 851 MAP_OUT (reset_timeout);
1245
1246 /* legacy */
1247 fprintf (fp, "arch map\n");
1248 if (m->name)
1249 fprintf (fp, "name %s\n", m->name);
1250 if (!flag)
1251 fprintf (fp, "swap_time %d\n", m->swap_time);
1252 if (m->reset_timeout)
1253 fprintf (fp, "reset_timeout %d\n", m->reset_timeout);
1254 if (m->fixed_resettime) 852 MAP_OUT (fixed_resettime);
1255 fprintf (fp, "fixed_resettime %d\n", m->fixed_resettime); 853 MAP_OUT (difficulty);
1256 /* we unfortunately have no idea if this is a value the creator set 854
1257 * or a difficulty value we generated when the map was first loaded 855 if (region) MAP_OUT2 (region, region->name);
1258 */ 856
1259 if (m->difficulty)
1260 fprintf (fp, "difficulty %d\n", m->difficulty);
1261 if (m->region)
1262 fprintf (fp, "region %s\n", m->region->name);
1263 if (m->shopitems) 857 if (shopitems)
1264 { 858 {
859 char shop[MAX_BUF];
1265 print_shop_string (m, shop); 860 print_shop_string (this, shop);
1266 fprintf (fp, "shopitems %s\n", shop); 861 MAP_OUT2 (shopitems, shop);
1267 }
1268 if (m->shopgreed)
1269 fprintf (fp, "shopgreed %f\n", m->shopgreed);
1270#ifndef WIN32
1271 if (m->shopmin)
1272 fprintf (fp, "shopmin %llu\n", m->shopmin);
1273 if (m->shopmax)
1274 fprintf (fp, "shopmax %llu\n", m->shopmax);
1275#else
1276 if (m->shopmin)
1277 fprintf (fp, "shopmin %I64u\n", m->shopmin);
1278 if (m->shopmax)
1279 fprintf (fp, "shopmax %I64u\n", m->shopmax);
1280#endif
1281 if (m->shoprace)
1282 fprintf (fp, "shoprace %s\n", m->shoprace);
1283 if (m->darkness)
1284 fprintf (fp, "darkness %d\n", m->darkness);
1285 if (m->width)
1286 fprintf (fp, "width %d\n", m->width);
1287 if (m->height)
1288 fprintf (fp, "height %d\n", m->height);
1289 if (m->enter_x)
1290 fprintf (fp, "enter_x %d\n", m->enter_x);
1291 if (m->enter_y)
1292 fprintf (fp, "enter_y %d\n", m->enter_y);
1293 if (m->msg)
1294 fprintf (fp, "msg\n%sendmsg\n", m->msg);
1295 if (m->maplore)
1296 fprintf (fp, "maplore\n%sendmaplore\n", m->maplore);
1297 if (m->unique)
1298 fprintf (fp, "unique %d\n", m->unique);
1299 if (m->templatemap)
1300 fprintf (fp, "template %d\n", m->templatemap);
1301 if (m->outdoor)
1302 fprintf (fp, "outdoor %d\n", m->outdoor);
1303 if (m->temp)
1304 fprintf (fp, "temp %d\n", m->temp);
1305 if (m->pressure)
1306 fprintf (fp, "pressure %d\n", m->pressure);
1307 if (m->humid)
1308 fprintf (fp, "humid %d\n", m->humid);
1309 if (m->windspeed)
1310 fprintf (fp, "windspeed %d\n", m->windspeed);
1311 if (m->winddir)
1312 fprintf (fp, "winddir %d\n", m->winddir);
1313 if (m->sky)
1314 fprintf (fp, "sky %d\n", m->sky);
1315 if (m->nosmooth)
1316 fprintf (fp, "nosmooth %d\n", m->nosmooth);
1317
1318 /* Save any tiling information, except on overlays */
1319 if (flag != 2)
1320 for (i = 0; i < 4; i++)
1321 if (m->tile_path[i])
1322 fprintf (fp, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1323
1324 fp.put (m);
1325 fprintf (fp, "end\n");
1326
1327 /* In the game save unique items in the different file, but
1328 * in the editor save them to the normal map file.
1329 * If unique map, save files in the proper destination (set by
1330 * player)
1331 */
1332 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1333 { 862 }
1334 sprintf (buf, "%s.v00", create_items_path (m->path));
1335 863
1336 object_freezer fp2 (buf); 864 MAP_OUT (shopgreed);
865 MAP_OUT (shopmin);
866 MAP_OUT (shopmax);
867 if (shoprace) MAP_OUT (shoprace);
868 MAP_OUT (darkness);
869 MAP_OUT (width);
870 MAP_OUT (height);
871 MAP_OUT (enter_x);
872 MAP_OUT (enter_y);
1337 873
1338 if (flag == 2) 874 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
1339 save_objects (m, fp, fp2, 2); 875 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
1340 else
1341 save_objects (m, fp, fp2, 0);
1342 }
1343 else
1344 { /* save same file when not playing, like in editor */
1345 save_objects (m, fp, fp, 0);
1346 }
1347 876
877 MAP_OUT (outdoor);
878 MAP_OUT (temp);
879 MAP_OUT (pressure);
880 MAP_OUT (humid);
881 MAP_OUT (windspeed);
882 MAP_OUT (winddir);
883 MAP_OUT (sky);
884
885 MAP_OUT (per_player);
886 MAP_OUT (per_party);
887
888 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
889 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
890 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
891 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
892
893 freezer.put (KW_end);
894
1348 return 0; 895 return true;
1349} 896}
1350 897
1351 898bool
1352/* 899maptile::save_header (const char *path)
1353 * Remove and free all objects in the inventory of the given object.
1354 * object.c ?
1355 */
1356
1357void clean_object(object *op)
1358{ 900{
1359 object *tmp, *next; 901 object_freezer freezer;
1360 902
1361 for(tmp = op->inv; tmp; tmp = next) 903 if (!save_header (freezer))
1362 { 904 return false;
1363 next = tmp->below; 905
1364 clean_object(tmp); 906 return freezer.save (path);
1365 if (QUERY_FLAG(tmp, FLAG_IS_LINKED))
1366 remove_button_link(tmp);
1367 remove_ob(tmp);
1368 free_object(tmp);
1369 }
1370} 907}
1371 908
1372/* 909/*
1373 * Remove and free all objects in the given map. 910 * Remove and free all objects in the given map.
1374 */ 911 */
912void
913maptile::clear ()
914{
915 if (!spaces)
916 return;
1375 917
1376void free_all_objects(mapstruct *m) { 918 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1377 int i,j; 919 while (object *op = ms->bot)
1378 object *op; 920 {
1379 921 if (op->head)
1380 for(i=0;i<MAP_WIDTH(m);i++)
1381 for(j=0;j<MAP_HEIGHT(m);j++) {
1382 object *previous_obj=NULL;
1383 while((op=GET_MAP_OB(m,i,j))!=NULL) {
1384 if (op==previous_obj) {
1385 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n");
1386 break;
1387 }
1388 previous_obj=op;
1389 if(op->head!=NULL)
1390 op = op->head; 922 op = op->head;
1391 923
1392 /* If the map isn't in memory, free_object will remove and 924 op->destroy_inv (false);
1393 * free objects in op's inventory. So let it do the job. 925 op->destroy ();
1394 */
1395 if (m->in_memory==MAP_IN_MEMORY)
1396 clean_object(op);
1397 remove_ob(op);
1398 free_object(op);
1399 }
1400 } 926 }
1401#ifdef MANY_CORES 927
1402 /* I see periodic cores on metalforge where a map has been swapped out, but apparantly 928 sfree (spaces, size ()), spaces = 0;
1403 * an item on that map was not saved - look for that condition and die as appropriate - 929
1404 * this leaves more of the map data intact for better debugging. 930 if (buttons)
931 free_objectlinkpt (buttons), buttons = 0;
932}
933
934void
935maptile::clear_header ()
936{
937 name = 0;
938 msg = 0;
939 maplore = 0;
940 shoprace = 0;
941 delete [] shopitems, shopitems = 0;
942
943 for (int i = 0; i < 4; i++)
944 tile_path [i] = 0;
945}
946
947maptile::~maptile ()
948{
949 assert (destroyed ());
950}
951
952void
953maptile::clear_links_to (maptile *m)
954{
955 /* We need to look through all the maps and see if any maps
956 * are pointing at this one for tiling information. Since
957 * tiling can be asymetric, we just can not look to see which
958 * maps this map tiles with and clears those.
1405 */ 959 */
1406 for (op=objects; op!=NULL; op=op->next) { 960 for (int i = 0; i < 4; i++)
1407 if (!QUERY_FLAG(op, FLAG_REMOVED) && op->map == m) { 961 if (tile_map[i] == m)
1408 LOG(llevDebug,"free_all_objects: object %s still on map after it should have been freed\n", op->name); 962 tile_map[i] = 0;
1409 abort(); 963}
1410 } 964
1411 } 965void
1412#endif 966maptile::do_destroy ()
967{
968 attachable::do_destroy ();
969
970 clear ();
1413} 971}
1414 972
1415/* 973/*
1416 * Frees everything allocated by the given mapstructure. 974 * Updates every button on the map (by calling update_button() for them).
1417 * don't free tmpname - our caller is left to do that
1418 */ 975 */
1419 976void
1420void free_map(mapstruct *m,int flag) { 977maptile::update_buttons ()
1421 int i; 978{
1422 979 for (oblinkpt *obp = buttons; obp; obp = obp->next)
1423 if (!m->in_memory) { 980 for (objectlink *ol = obp->link; ol; ol = ol->next)
1424 LOG(llevError,"Trying to free freed map.\n"); 981 {
1425 return; 982 if (!ol->ob)
1426 }
1427 if (flag && m->spaces) free_all_objects(m);
1428 if (m->name) FREE_AND_CLEAR(m->name);
1429 if (m->spaces) FREE_AND_CLEAR(m->spaces);
1430 if (m->msg) FREE_AND_CLEAR(m->msg);
1431 if (m->maplore) FREE_AND_CLEAR(m->maplore);
1432 if (m->shopitems) FREE_AND_CLEAR(m->shopitems);
1433 if (m->shoprace) FREE_AND_CLEAR(m->shoprace);
1434 if (m->buttons)
1435 free_objectlinkpt(m->buttons);
1436 m->buttons = NULL;
1437 for (i=0; i<4; i++) {
1438 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]);
1439 m->tile_map[i] = NULL;
1440 }
1441 m->in_memory = MAP_SWAPPED;
1442}
1443
1444/*
1445 * function: vanish mapstruct
1446 * m : pointer to mapstruct, if NULL no action
1447 * this deletes all the data on the map (freeing pointers)
1448 * and then removes this map from the global linked list of maps.
1449 */
1450
1451void delete_map(mapstruct *m) {
1452 mapstruct *tmp, *last;
1453 int i;
1454
1455 if (!m)
1456 return;
1457
1458 m->clear ();
1459
1460 if (m->in_memory == MAP_IN_MEMORY) {
1461 /* change to MAP_SAVING, even though we are not,
1462 * so that remove_ob doesn't do as much work.
1463 */ 983 {
1464 m->in_memory = MAP_SAVING; 984 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1465 free_map (m, 1); 985 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1466 } 986 continue;
1467 /* move this out of free_map, since tmpname can still be needed if
1468 * the map is swapped out.
1469 */
1470 if (m->tmpname) {
1471 free(m->tmpname);
1472 m->tmpname=NULL;
1473 }
1474 last = NULL;
1475 /* We need to look through all the maps and see if any maps
1476 * are pointing at this one for tiling information. Since
1477 * tiling can be assymetric, we just can not look to see which
1478 * maps this map tiles with and clears those.
1479 */
1480 for (tmp = first_map; tmp != NULL; tmp = tmp->next) {
1481 if (tmp->next == m) last = tmp;
1482
1483 /* This should hopefully get unrolled on a decent compiler */
1484 for (i=0; i<4; i++)
1485 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL;
1486 }
1487
1488 /* If last is null, then this should be the first map in the list */
1489 if (!last) {
1490 if (m == first_map)
1491 first_map = m->next;
1492 else
1493 /* m->path is a static char, so should hopefully still have
1494 * some useful data in it.
1495 */
1496 LOG(llevError,"delete_map: Unable to find map %s in list\n",
1497 m->path);
1498 }
1499 else
1500 last->next = m->next;
1501
1502 free (m);
1503}
1504
1505
1506
1507/*
1508 * Makes sure the given map is loaded and swapped in.
1509 * name is path name of the map.
1510 * flags meaning:
1511 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1512 * and don't do unique items or the like.
1513 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1514 * dont do any more name translation on it.
1515 *
1516 * Returns a pointer to the given map.
1517 */
1518
1519mapstruct *ready_map_name(const char *name, int flags) {
1520 mapstruct *m;
1521
1522 if (!name)
1523 return (NULL);
1524
1525 /* Have we been at this level before? */
1526 m = has_been_loaded (name);
1527
1528 /* Map is good to go, so just return it */
1529 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) {
1530 return m;
1531 }
1532
1533 /* unique maps always get loaded from their original location, and never
1534 * a temp location. Likewise, if map_flush is set, or we have never loaded
1535 * this map, load it now. I removed the reset checking from here -
1536 * it seems the probability of a player trying to enter a map that should
1537 * reset but hasn't yet is quite low, and removing that makes this function
1538 * a bit cleaner (and players probably shouldn't rely on exact timing for
1539 * resets in any case - if they really care, they should use the 'maps command.
1540 */
1541 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) {
1542
1543 /* first visit or time to reset */
1544 if (m) {
1545 clean_tmp_map(m); /* Doesn't make much difference */
1546 delete_map(m);
1547 } 987 }
1548 988
1549 /* create and load a map */ 989 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1550 if (flags & MAP_PLAYER_UNIQUE)
1551 LOG(llevDebug, "Trying to load map %s.\n", name);
1552 else
1553 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name));
1554
1555 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE))))
1556 return (NULL);
1557
1558 fix_auto_apply(m); /* Chests which open as default */
1559
1560 /* If a player unique map, no extra unique object file to load.
1561 * if from the editor, likewise.
1562 */ 990 {
1563 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE))) 991 update_button (ol->ob);
1564 load_unique_objects(m); 992 break;
1565
1566 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) {
1567 m=load_overlay_map(name, m);
1568 if (m==NULL)
1569 return NULL;
1570 } 993 }
1571
1572 if (flags & MAP_PLAYER_UNIQUE)
1573 INVOKE_MAP (SWAPIN, m);
1574
1575 } else {
1576 /* If in this loop, we found a temporary map, so load it up. */
1577
1578 m=load_temporary_map (m);
1579 if(m==NULL) return NULL;
1580 load_unique_objects(m);
1581
1582 clean_tmp_map(m);
1583 m->in_memory = MAP_IN_MEMORY;
1584 /* tempnam() on sun systems (probably others) uses malloc
1585 * to allocated space for the string. Free it here.
1586 * In some cases, load_temporary_map above won't find the
1587 * temporary map, and so has reloaded a new map. If that
1588 * is the case, tmpname is now null
1589 */
1590 if (m->tmpname) free(m->tmpname);
1591 m->tmpname = NULL;
1592 /* It's going to be saved anew anyway */
1593 } 994 }
1594
1595 /* Below here is stuff common to both first time loaded maps and
1596 * temp maps.
1597 */
1598
1599 decay_objects(m); /* start the decay */
1600 /* In case other objects press some buttons down */
1601 update_buttons(m);
1602 if (m->outdoor)
1603 set_darkness_map(m);
1604 /* run the weather over this map */
1605 weather_effect(name);
1606 return m;
1607} 995}
1608
1609 996
1610/* 997/*
1611 * This routine is supposed to find out the difficulty of the map. 998 * This routine is supposed to find out the difficulty of the map.
1612 * difficulty does not have a lot to do with character level, 999 * difficulty does not have a lot to do with character level,
1613 * but does have a lot to do with treasure on the map. 1000 * but does have a lot to do with treasure on the map.
… …
1615 * Difficulty can now be set by the map creature. If the value stored 1002 * Difficulty can now be set by the map creature. If the value stored
1616 * in the map is zero, then use this routine. Maps should really 1003 * in the map is zero, then use this routine. Maps should really
1617 * have a difficulty set than using this function - human calculation 1004 * have a difficulty set than using this function - human calculation
1618 * is much better than this functions guesswork. 1005 * is much better than this functions guesswork.
1619 */ 1006 */
1620 1007int
1621int calculate_difficulty(mapstruct *m) { 1008maptile::estimate_difficulty () const
1622 object *op; 1009{
1623 archetype *at;
1624 int x, y, i, diff;
1625 long monster_cnt = 0; 1010 long monster_cnt = 0;
1626 double avgexp = 0; 1011 double avgexp = 0;
1627 sint64 total_exp = 0; 1012 sint64 total_exp = 0;
1628 1013
1629 if (MAP_DIFFICULTY (m)) 1014 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1630 { 1015 for (object *op = ms->bot; op; op = op->above)
1631 LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1632 return MAP_DIFFICULTY (m);
1633 }
1634
1635 for(x = 0; x < MAP_WIDTH(m); x++)
1636 for(y = 0; y < MAP_HEIGHT(m); y++)
1637 for(op = get_map_ob(m, x, y); op != NULL; op = op->above)
1638 { 1016 {
1639 if(QUERY_FLAG (op, FLAG_MONSTER)) 1017 if (QUERY_FLAG (op, FLAG_MONSTER))
1640 { 1018 {
1641 total_exp += op->stats.exp; 1019 total_exp += op->stats.exp;
1642 monster_cnt++; 1020 monster_cnt++;
1643 } 1021 }
1644 1022
1645 if(QUERY_FLAG (op, FLAG_GENERATOR)) 1023 if (QUERY_FLAG (op, FLAG_GENERATOR))
1646 { 1024 {
1647 total_exp += op->stats.exp; 1025 total_exp += op->stats.exp;
1026
1648 at = type_to_archetype(GENERATE_TYPE (op)); 1027 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1649
1650 if(at != NULL)
1651 total_exp += at->clone.stats.exp * 8; 1028 total_exp += at->clone.stats.exp * 8;
1652 1029
1653 monster_cnt++; 1030 monster_cnt++;
1654 } 1031 }
1655 } 1032 }
1656 1033
1657 avgexp = (double) total_exp / monster_cnt; 1034 avgexp = (double) total_exp / monster_cnt;
1658 1035
1659 for (i = 1; i <= settings.max_level; i++) 1036 for (int i = 1; i <= settings.max_level; i++)
1660 {
1661 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 1037 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1662 {
1663 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1664 return i; 1038 return i;
1665 }
1666 }
1667 1039
1668 return 1; 1040 return 1;
1669}
1670
1671void clean_tmp_map(mapstruct *m) {
1672 if(m->tmpname == NULL)
1673 return;
1674 INVOKE_MAP (CLEAN, m);
1675 (void) unlink(m->tmpname);
1676}
1677
1678void free_all_maps(void)
1679{
1680 int real_maps=0;
1681
1682 while (first_map) {
1683 /* I think some of the callers above before it gets here set this to be
1684 * saving, but we still want to free this data
1685 */
1686 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY;
1687 delete_map(first_map);
1688 real_maps++;
1689 }
1690 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps);
1691} 1041}
1692 1042
1693/* change_map_light() - used to change map light level (darkness) 1043/* change_map_light() - used to change map light level (darkness)
1694 * up or down. Returns true if successful. It should now be 1044 * up or down. Returns true if successful. It should now be
1695 * possible to change a value by more than 1. 1045 * possible to change a value by more than 1.
1696 * Move this from los.c to map.c since this is more related 1046 * Move this from los.c to map.c since this is more related
1697 * to maps than los. 1047 * to maps than los.
1698 * postive values make it darker, negative make it brighter 1048 * postive values make it darker, negative make it brighter
1699 */ 1049 */
1700 1050int
1701int change_map_light(mapstruct *m, int change) { 1051maptile::change_map_light (int change)
1052{
1702 int new_level = m->darkness + change; 1053 int new_level = darkness + change;
1703 1054
1704 /* Nothing to do */ 1055 /* Nothing to do */
1705 if(!change || (new_level <= 0 && m->darkness == 0) || 1056 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1706 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) {
1707 return 0; 1057 return 0;
1708 }
1709 1058
1710 /* inform all players on the map */ 1059 /* inform all players on the map */
1711 if (change>0) 1060 if (change > 0)
1712 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 1061 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1713 else 1062 else
1714 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 1063 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1715 1064
1716 /* Do extra checking. since m->darkness is a unsigned value, 1065 /* Do extra checking. since darkness is a unsigned value,
1717 * we need to be extra careful about negative values. 1066 * we need to be extra careful about negative values.
1718 * In general, the checks below are only needed if change 1067 * In general, the checks below are only needed if change
1719 * is not +/-1 1068 * is not +/-1
1720 */ 1069 */
1721 if (new_level < 0) m->darkness = 0; 1070 if (new_level < 0)
1722 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS; 1071 darkness = 0;
1072 else if (new_level >= MAX_DARKNESS)
1073 darkness = MAX_DARKNESS;
1074 else
1723 else m->darkness=new_level; 1075 darkness = new_level;
1724 1076
1725 /* All clients need to get re-updated for the change */ 1077 /* All clients need to get re-updated for the change */
1726 update_all_map_los(m); 1078 update_all_map_los (this);
1727 return 1; 1079 return 1;
1728} 1080}
1729
1730 1081
1731/* 1082/*
1732 * This function updates various attributes about a specific space 1083 * This function updates various attributes about a specific space
1733 * on the map (what it looks like, whether it blocks magic, 1084 * on the map (what it looks like, whether it blocks magic,
1734 * has a living creatures, prevents people from passing 1085 * has a living creatures, prevents people from passing
1735 * through, etc) 1086 * through, etc)
1736 */ 1087 */
1737void update_position (mapstruct *m, int x, int y) { 1088void
1089mapspace::update_ ()
1090{
1738 object *tmp, *last = NULL; 1091 object *tmp, *last = 0;
1739 uint8 flags = 0, oldflags, light=0, anywhere=0; 1092 uint8 flags = 0, light = 0, anywhere = 0;
1740 New_Face *top,*floor, *middle; 1093 New_Face *top, *floor, *middle;
1741 object *top_obj, *floor_obj, *middle_obj; 1094 object *top_obj, *floor_obj, *middle_obj;
1742 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1095 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1743 1096
1744 oldflags = GET_MAP_FLAGS(m,x,y);
1745 if (!(oldflags & P_NEED_UPDATE)) {
1746 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n",
1747 m->path, x, y);
1748 return;
1749 }
1750
1751 middle=blank_face; 1097 middle = blank_face;
1752 top=blank_face; 1098 top = blank_face;
1753 floor=blank_face; 1099 floor = blank_face;
1754 1100
1755 middle_obj = NULL; 1101 middle_obj = 0;
1756 top_obj = NULL; 1102 top_obj = 0;
1757 floor_obj = NULL; 1103 floor_obj = 0;
1758 1104
1759 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) { 1105 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1760 1106 {
1761 /* This could be made additive I guess (two lights better than 1107 /* This could be made additive I guess (two lights better than
1762 * one). But if so, it shouldn't be a simple additive - 2 1108 * one). But if so, it shouldn't be a simple additive - 2
1763 * light bulbs do not illuminate twice as far as once since 1109 * light bulbs do not illuminate twice as far as once since
1764 * it is a disapation factor that is squared (or is it cubed?) 1110 * it is a dissapation factor that is cubed.
1765 */ 1111 */
1766 if (tmp->glow_radius > light) light = tmp->glow_radius; 1112 if (tmp->glow_radius > light)
1113 light = tmp->glow_radius;
1767 1114
1768 /* This call is needed in order to update objects the player 1115 /* This call is needed in order to update objects the player
1769 * is standing in that have animations (ie, grass, fire, etc). 1116 * is standing in that have animations (ie, grass, fire, etc).
1770 * However, it also causes the look window to be re-drawn 1117 * However, it also causes the look window to be re-drawn
1771 * 3 times each time the player moves, because many of the 1118 * 3 times each time the player moves, because many of the
1772 * functions the move_player calls eventualy call this. 1119 * functions the move_player calls eventualy call this.
1773 * 1120 *
1774 * Always put the player down for drawing. 1121 * Always put the player down for drawing.
1775 */ 1122 */
1776 if (!tmp->invisible) { 1123 if (!tmp->invisible)
1124 {
1777 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1125 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1126 {
1778 top = tmp->face; 1127 top = tmp->face;
1779 top_obj = tmp; 1128 top_obj = tmp;
1780 } 1129 }
1781 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1130 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1131 {
1782 /* If we got a floor, that means middle and top were below it, 1132 /* If we got a floor, that means middle and top were below it,
1783 * so should not be visible, so we clear them. 1133 * so should not be visible, so we clear them.
1784 */ 1134 */
1785 middle=blank_face; 1135 middle = blank_face;
1786 top=blank_face; 1136 top = blank_face;
1787 floor = tmp->face; 1137 floor = tmp->face;
1788 floor_obj = tmp; 1138 floor_obj = tmp;
1789 } 1139 }
1790 /* Flag anywhere have high priority */ 1140 /* Flag anywhere have high priority */
1791 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 1141 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1142 {
1792 middle = tmp->face; 1143 middle = tmp->face;
1793 1144
1794 middle_obj = tmp; 1145 middle_obj = tmp;
1795 anywhere =1; 1146 anywhere = 1;
1796 } 1147 }
1797 /* Find the highest visible face around. If equal 1148 /* Find the highest visible face around. If equal
1798 * visibilities, we still want the one nearer to the 1149 * visibilities, we still want the one nearer to the
1799 * top 1150 * top
1800 */ 1151 */
1801 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) { 1152 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere))
1153 {
1802 middle = tmp->face; 1154 middle = tmp->face;
1803 middle_obj = tmp; 1155 middle_obj = tmp;
1804 } 1156 }
1805 } 1157 }
1158
1806 if (tmp==tmp->above) { 1159 if (tmp == tmp->above)
1160 {
1807 LOG(llevError, "Error in structure of map\n"); 1161 LOG (llevError, "Error in structure of map\n");
1808 exit (-1); 1162 exit (-1);
1809 } 1163 }
1810 1164
1811 move_slow |= tmp->move_slow; 1165 move_slow |= tmp->move_slow;
1812 move_block |= tmp->move_block; 1166 move_block |= tmp->move_block;
1813 move_on |= tmp->move_on; 1167 move_on |= tmp->move_on;
1814 move_off |= tmp->move_off; 1168 move_off |= tmp->move_off;
1815 move_allow |= tmp->move_allow; 1169 move_allow |= tmp->move_allow;
1816 1170
1817 if (QUERY_FLAG(tmp,FLAG_ALIVE))
1818 flags |= P_IS_ALIVE;
1819 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC))
1820 flags |= P_NO_MAGIC;
1821 if (QUERY_FLAG(tmp,FLAG_DAMNED))
1822 flags |= P_NO_CLERIC;
1823 if (tmp->type == SAFE_GROUND)
1824 flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC;
1825
1826 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW)) 1171 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1827 flags |= P_BLOCKSVIEW; 1172 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1828 } /* for stack of objects */ 1173 if (tmp->type == PLAYER) flags |= P_PLAYER;
1829 1174 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1830 /* we don't want to rely on this function to have accurate flags, but 1175 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1831 * since we're already doing the work, we calculate them here. 1176 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1832 * if they don't match, logic is broken someplace.
1833 */
1834 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) &&
1835 (!(oldflags & P_NO_ERROR))) {
1836 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1837 m->path, x, y,
1838 (oldflags & ~P_NEED_UPDATE), flags);
1839 } 1177 }
1840 SET_MAP_FLAGS(m, x, y, flags);
1841 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow);
1842 SET_MAP_MOVE_ON(m, x, y, move_on);
1843 SET_MAP_MOVE_OFF(m, x, y, move_off);
1844 SET_MAP_MOVE_SLOW(m, x, y, move_slow);
1845 1178
1179 this->light = light;
1180 this->flags_ = flags;
1181 this->move_block = move_block & ~move_allow;
1182 this->move_on = move_on;
1183 this->move_off = move_off;
1184 this->move_slow = move_slow;
1185
1846 /* At this point, we have a floor face (if there is a floor), 1186 /* At this point, we have a floor face (if there is a floor),
1847 * and the floor is set - we are not going to touch it at 1187 * and the floor is set - we are not going to touch it at
1848 * this point. 1188 * this point.
1849 * middle contains the highest visibility face. 1189 * middle contains the highest visibility face.
1850 * top contains a player/monster face, if there is one. 1190 * top contains a player/monster face, if there is one.
1851 * 1191 *
1852 * We now need to fill in top.face and/or middle.face. 1192 * We now need to fill in top.face and/or middle.face.
1853 */ 1193 */
1854 1194
1855 /* If the top face also happens to be high visibility, re-do our 1195 /* If the top face also happens to be high visibility, re-do our
1856 * middle face. This should not happen, as we already have the 1196 * middle face. This should not happen, as we already have the
1857 * else statement above so middle should not get set. OTOH, it 1197 * else statement above so middle should not get set. OTOH, it
1858 * may be possible for the faces to match but be different objects. 1198 * may be possible for the faces to match but be different objects.
1859 */ 1199 */
1860 if (top == middle) middle=blank_face; 1200 if (top == middle)
1201 middle = blank_face;
1861 1202
1862 /* There are three posibilities at this point: 1203 /* There are three posibilities at this point:
1863 * 1) top face is set, need middle to be set. 1204 * 1) top face is set, need middle to be set.
1864 * 2) middle is set, need to set top. 1205 * 2) middle is set, need to set top.
1865 * 3) neither middle or top is set - need to set both. 1206 * 3) neither middle or top is set - need to set both.
1866 */ 1207 */
1867 1208
1868 for (tmp=last; tmp; tmp=tmp->below) { 1209 for (tmp = last; tmp; tmp = tmp->below)
1210 {
1869 /* Once we get to a floor, stop, since we already have a floor object */ 1211 /* Once we get to a floor, stop, since we already have a floor object */
1870 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break; 1212 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1213 break;
1871 1214
1872 /* If two top faces are already set, quit processing */ 1215 /* If two top faces are already set, quit processing */
1873 if ((top != blank_face) && (middle != blank_face)) break; 1216 if ((top != blank_face) && (middle != blank_face))
1217 break;
1874 1218
1875 /* Only show visible faces, unless its the editor - show all */ 1219 /* Only show visible faces, unless its the editor - show all */
1876 if (!tmp->invisible || editor) { 1220 if (!tmp->invisible || editor)
1221 {
1877 /* Fill in top if needed */ 1222 /* Fill in top if needed */
1878 if (top == blank_face) { 1223 if (top == blank_face)
1224 {
1879 top = tmp->face; 1225 top = tmp->face;
1880 top_obj = tmp; 1226 top_obj = tmp;
1227 if (top == middle)
1881 if (top == middle) middle=blank_face; 1228 middle = blank_face;
1229 }
1882 } else { 1230 else
1231 {
1883 /* top is already set - we should only get here if 1232 /* top is already set - we should only get here if
1884 * middle is not set 1233 * middle is not set
1885 * 1234 *
1886 * Set the middle face and break out, since there is nothing 1235 * Set the middle face and break out, since there is nothing
1887 * more to fill in. We don't check visiblity here, since 1236 * more to fill in. We don't check visiblity here, since
1888 * 1237 *
1889 */ 1238 */
1890 if (tmp->face != top ) { 1239 if (tmp->face != top)
1240 {
1891 middle = tmp->face; 1241 middle = tmp->face;
1892 middle_obj = tmp; 1242 middle_obj = tmp;
1893 break; 1243 break;
1894 } 1244 }
1895 } 1245 }
1896 } 1246 }
1897 } 1247 }
1898 if (middle == floor) middle = blank_face; 1248
1899 if (top == middle) middle = blank_face; 1249 if (middle == floor)
1900 SET_MAP_FACE(m,x,y,top,0);
1901 if(top != blank_face)
1902 SET_MAP_FACE_OBJ(m,x,y,top_obj,0);
1903 else
1904 SET_MAP_FACE_OBJ(m,x,y,NULL,0);
1905 SET_MAP_FACE(m,x,y,middle,1);
1906 if(middle != blank_face) 1250 middle = blank_face;
1907 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1);
1908 else
1909 SET_MAP_FACE_OBJ(m,x,y,NULL,1);
1910 SET_MAP_FACE(m,x,y,floor,2);
1911 if(floor != blank_face)
1912 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2);
1913 else
1914 SET_MAP_FACE_OBJ(m,x,y,NULL,2);
1915 SET_MAP_LIGHT(m,x,y,light);
1916}
1917 1251
1252 if (top == middle)
1253 middle = blank_face;
1918 1254
1919void set_map_reset_time(mapstruct *map) { 1255 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
1920 int timeout; 1256 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
1921 1257 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
1922 timeout = MAP_RESET_TIMEOUT(map);
1923 if (timeout <= 0)
1924 timeout = MAP_DEFAULTRESET;
1925 if (timeout >= MAP_MAXRESET)
1926 timeout = MAP_MAXRESET;
1927 MAP_WHEN_RESET(map) = seconds()+timeout;
1928} 1258}
1929 1259
1930/* this updates the orig_map->tile_map[tile_num] value after loading 1260/* this updates the orig_map->tile_map[tile_num] value after loading
1931 * the map. It also takes care of linking back the freshly loaded 1261 * the map. It also takes care of linking back the freshly loaded
1932 * maps tile_map values if it tiles back to this one. It returns 1262 * maps tile_map values if it tiles back to this one. It returns
1933 * the value of orig_map->tile_map[tile_num]. It really only does this 1263 * the value of orig_map->tile_map[tile_num]. It really only does this
1934 * so that it is easier for calling functions to verify success. 1264 * so that it is easier for calling functions to verify success.
1935 */ 1265 */
1936 1266static maptile *
1937static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) 1267load_and_link_tiled_map (maptile *orig_map, int tile_num)
1938{ 1268{
1269 maptile *mp = orig_map->load_map_sync (orig_map->tile_path [tile_num], orig_map);
1270
1271 if (!mp || mp->in_memory != MAP_IN_MEMORY)
1272 {
1273 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1274 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1275 &orig_map->tile_path[tile_num], &orig_map->path);
1276 mp = new maptile (1, 1);
1277 mp->alloc ();
1278 mp->in_memory = MAP_IN_MEMORY;
1279 }
1280
1939 int dest_tile = (tile_num +2) % 4; 1281 int dest_tile = (tile_num + 2) % 4;
1940 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]);
1941 1282
1942 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 1283 orig_map->tile_map[tile_num] = mp;
1943 1284
1944 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1285 // optimisation: back-link map to origin map if euclidean
1945 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 1286 //TODO: non-euclidean maps MUST GO
1946 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path)) 1287 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1947 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 1288 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1948 1289
1949 return orig_map->tile_map[tile_num]; 1290 return mp;
1950} 1291}
1951 1292
1952/* this returns TRUE if the coordinates (x,y) are out of 1293/* this returns TRUE if the coordinates (x,y) are out of
1953 * map m. This function also takes into account any 1294 * map m. This function also takes into account any
1954 * tiling considerations, loading adjacant maps as needed. 1295 * tiling considerations, loading adjacant maps as needed.
1955 * This is the function should always be used when it 1296 * This is the function should always be used when it
1956 * necessary to check for valid coordinates. 1297 * necessary to check for valid coordinates.
1957 * This function will recursively call itself for the 1298 * This function will recursively call itself for the
1958 * tiled maps. 1299 * tiled maps.
1959 * 1300 */
1960 * 1301int
1961 */
1962int out_of_map(mapstruct *m, int x, int y) 1302out_of_map (maptile *m, int x, int y)
1963{ 1303{
1964
1965 /* If we get passed a null map, this is obviously the 1304 /* If we get passed a null map, this is obviously the
1966 * case. This generally shouldn't happen, but if the 1305 * case. This generally shouldn't happen, but if the
1967 * map loads fail below, it could happen. 1306 * map loads fail below, it could happen.
1968 */ 1307 */
1969 if (!m) return 0; 1308 if (!m)
1970
1971 if (x<0) {
1972 if (!m->tile_path[3]) return 1;
1973 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1974 load_and_link_tiled_map(m, 3);
1975 }
1976 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1977 }
1978 if (x>=MAP_WIDTH(m)) {
1979 if (!m->tile_path[1]) return 1;
1980 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1981 load_and_link_tiled_map(m, 1);
1982 }
1983 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1984 }
1985 if (y<0) {
1986 if (!m->tile_path[0]) return 1;
1987 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1988 load_and_link_tiled_map(m, 0);
1989 }
1990 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1991 }
1992 if (y>=MAP_HEIGHT(m)) {
1993 if (!m->tile_path[2]) return 1;
1994 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
1995 load_and_link_tiled_map(m, 2);
1996 }
1997 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
1998 }
1999
2000 /* Simple case - coordinates are within this local
2001 * map.
2002 */
2003 return 0; 1309 return 0;
1310
1311 if (x < 0)
1312 {
1313 if (!m->tile_path[3])
1314 return 1;
1315
1316 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1317 load_and_link_tiled_map (m, 3);
1318
1319 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1320 }
1321
1322 if (x >= m->width)
1323 {
1324 if (!m->tile_path[1])
1325 return 1;
1326
1327 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1328 load_and_link_tiled_map (m, 1);
1329
1330 return out_of_map (m->tile_map[1], x - m->width, y);
1331 }
1332
1333 if (y < 0)
1334 {
1335 if (!m->tile_path[0])
1336 return 1;
1337
1338 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1339 load_and_link_tiled_map (m, 0);
1340
1341 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1342 }
1343
1344 if (y >= m->height)
1345 {
1346 if (!m->tile_path[2])
1347 return 1;
1348
1349 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1350 load_and_link_tiled_map (m, 2);
1351
1352 return out_of_map (m->tile_map[2], x, y - m->height);
1353 }
1354
1355 /* Simple case - coordinates are within this local
1356 * map.
1357 */
1358 return 0;
2004} 1359}
2005 1360
2006/* This is basically the same as out_of_map above, but 1361/* This is basically the same as out_of_map above, but
2007 * instead we return NULL if no map is valid (coordinates 1362 * instead we return NULL if no map is valid (coordinates
2008 * out of bounds and no tiled map), otherwise it returns 1363 * out of bounds and no tiled map), otherwise it returns
2009 * the map as that the coordinates are really on, and 1364 * the map as that the coordinates are really on, and
2010 * updates x and y to be the localized coordinates. 1365 * updates x and y to be the localized coordinates.
2011 * Using this is more efficient of calling out_of_map 1366 * Using this is more efficient of calling out_of_map
2012 * and then figuring out what the real map is 1367 * and then figuring out what the real map is
2013 */ 1368 */
1369maptile *
2014mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 1370get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
2015{ 1371{
2016
2017 if (*x<0) { 1372 if (*x < 0)
1373 {
2018 if (!m->tile_path[3]) return NULL; 1374 if (!m->tile_path[3])
1375 return 0;
1376
2019 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 1377 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2020 load_and_link_tiled_map(m, 3); 1378 load_and_link_tiled_map (m, 3);
2021 1379
2022 *x += MAP_WIDTH(m->tile_map[3]); 1380 *x += m->tile_map[3]->width;
2023 return (get_map_from_coord(m->tile_map[3], x, y)); 1381 return (get_map_from_coord (m->tile_map[3], x, y));
1382 }
1383
1384 if (*x >= m->width)
2024 } 1385 {
2025 if (*x>=MAP_WIDTH(m)) {
2026 if (!m->tile_path[1]) return NULL; 1386 if (!m->tile_path[1])
1387 return 0;
1388
2027 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 1389 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2028 load_and_link_tiled_map(m, 1); 1390 load_and_link_tiled_map (m, 1);
2029 1391
2030 *x -= MAP_WIDTH(m); 1392 *x -= m->width;
2031 return (get_map_from_coord(m->tile_map[1], x, y)); 1393 return (get_map_from_coord (m->tile_map[1], x, y));
1394 }
1395
1396 if (*y < 0)
2032 } 1397 {
2033 if (*y<0) {
2034 if (!m->tile_path[0]) return NULL; 1398 if (!m->tile_path[0])
1399 return 0;
1400
2035 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 1401 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2036 load_and_link_tiled_map(m, 0); 1402 load_and_link_tiled_map (m, 0);
2037 1403
2038 *y += MAP_HEIGHT(m->tile_map[0]); 1404 *y += m->tile_map[0]->height;
2039 return (get_map_from_coord(m->tile_map[0], x, y)); 1405 return (get_map_from_coord (m->tile_map[0], x, y));
1406 }
1407
1408 if (*y >= m->height)
2040 } 1409 {
2041 if (*y>=MAP_HEIGHT(m)) {
2042 if (!m->tile_path[2]) return NULL; 1410 if (!m->tile_path[2])
1411 return 0;
1412
2043 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 1413 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2044 load_and_link_tiled_map(m, 2); 1414 load_and_link_tiled_map (m, 2);
2045 1415
2046 *y -= MAP_HEIGHT(m); 1416 *y -= m->height;
2047 return (get_map_from_coord(m->tile_map[2], x, y)); 1417 return (get_map_from_coord (m->tile_map[2], x, y));
2048 } 1418 }
2049 1419
2050 /* Simple case - coordinates are within this local 1420 /* Simple case - coordinates are within this local
2051 * map. 1421 * map.
2052 */ 1422 */
2053
2054 return m; 1423 return m;
2055} 1424}
2056 1425
2057/** 1426/**
2058 * Return whether map2 is adjacent to map1. If so, store the distance from 1427 * Return whether map2 is adjacent to map1. If so, store the distance from
2059 * map1 to map2 in dx/dy. 1428 * map1 to map2 in dx/dy.
2060 */ 1429 */
1430static int
2061static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 1431adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1432{
2062 if (!map1 || !map2) 1433 if (!map1 || !map2)
2063 return 0; 1434 return 0;
2064 1435
2065 if (map1 == map2) { 1436 if (map1 == map2)
1437 {
2066 *dx = 0; 1438 *dx = 0;
2067 *dy = 0; 1439 *dy = 0;
2068 1440 }
2069 } else if (map1->tile_map[0] == map2) { /* up */ 1441 else if (map1->tile_map[0] == map2)
1442 { /* up */
2070 *dx = 0; 1443 *dx = 0;
2071 *dy = -MAP_HEIGHT(map2); 1444 *dy = -map2->height;
1445 }
2072 } else if (map1->tile_map[1] == map2) { /* right */ 1446 else if (map1->tile_map[1] == map2)
2073 *dx = MAP_WIDTH(map1); 1447 { /* right */
1448 *dx = map1->width;
2074 *dy = 0; 1449 *dy = 0;
1450 }
2075 } else if (map1->tile_map[2] == map2) { /* down */ 1451 else if (map1->tile_map[2] == map2)
1452 { /* down */
2076 *dx = 0; 1453 *dx = 0;
2077 *dy = MAP_HEIGHT(map1); 1454 *dy = map1->height;
1455 }
2078 } else if (map1->tile_map[3] == map2) { /* left */ 1456 else if (map1->tile_map[3] == map2)
2079 *dx = -MAP_WIDTH(map2); 1457 { /* left */
1458 *dx = -map2->width;
2080 *dy = 0; 1459 *dy = 0;
2081 1460 }
2082 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ 1461 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
1462 { /* up right */
2083 *dx = MAP_WIDTH(map1->tile_map[0]); 1463 *dx = map1->tile_map[0]->width;
2084 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1464 *dy = -map1->tile_map[0]->height;
1465 }
2085 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ 1466 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2086 *dx = -MAP_WIDTH(map2); 1467 { /* up left */
2087 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1468 *dx = -map2->width;
1469 *dy = -map1->tile_map[0]->height;
1470 }
2088 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ 1471 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2089 *dx = MAP_WIDTH(map1); 1472 { /* right up */
2090 *dy = -MAP_HEIGHT(map2); 1473 *dx = map1->width;
1474 *dy = -map2->height;
1475 }
2091 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ 1476 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2092 *dx = MAP_WIDTH(map1); 1477 { /* right down */
2093 *dy = MAP_HEIGHT(map1->tile_map[1]); 1478 *dx = map1->width;
1479 *dy = map1->tile_map[1]->height;
1480 }
2094 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ 1481 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
1482 { /* down right */
2095 *dx = MAP_WIDTH(map1->tile_map[2]); 1483 *dx = map1->tile_map[2]->width;
2096 *dy = MAP_HEIGHT(map1); 1484 *dy = map1->height;
1485 }
2097 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ 1486 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2098 *dx = -MAP_WIDTH(map2); 1487 { /* down left */
2099 *dy = MAP_HEIGHT(map1); 1488 *dx = -map2->width;
1489 *dy = map1->height;
1490 }
2100 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ 1491 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
1492 { /* left up */
2101 *dx = -MAP_WIDTH(map1->tile_map[3]); 1493 *dx = -map1->tile_map[3]->width;
2102 *dy = -MAP_HEIGHT(map2); 1494 *dy = -map2->height;
1495 }
2103 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ 1496 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
1497 { /* left down */
2104 *dx = -MAP_WIDTH(map1->tile_map[3]); 1498 *dx = -map1->tile_map[3]->width;
2105 *dy = MAP_HEIGHT(map1->tile_map[3]); 1499 *dy = map1->tile_map[3]->height;
2106
2107 } else { /* not "adjacent" enough */
2108 return 0;
2109 } 1500 }
2110 1501 else
2111 return 1; 1502 return 0;
1503
1504 return 1;
2112} 1505}
2113 1506
2114/* From map.c 1507/* From map.c
2115 * This is used by get_player to determine where the other 1508 * This is used by get_player to determine where the other
2116 * creature is. get_rangevector takes into account map tiling, 1509 * creature is. get_rangevector takes into account map tiling,
… …
2129 * be unexpected 1522 * be unexpected
2130 * 1523 *
2131 * currently, the only flag supported (0x1) is don't translate for 1524 * currently, the only flag supported (0x1) is don't translate for
2132 * closest body part of 'op1' 1525 * closest body part of 'op1'
2133 */ 1526 */
2134 1527void
2135void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 1528get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
1529{
2136 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 1530 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1531 {
2137 /* be conservative and fill in _some_ data */ 1532 /* be conservative and fill in _some_ data */
2138 retval->distance = 100000; 1533 retval->distance = 100000;
2139 retval->distance_x = 32767; 1534 retval->distance_x = 32767;
2140 retval->distance_y = 32767; 1535 retval->distance_y = 32767;
2141 retval->direction = 0; 1536 retval->direction = 0;
2142 retval->part = 0; 1537 retval->part = 0;
2143 } else { 1538 }
1539 else
1540 {
2144 object *best; 1541 object *best;
2145 1542
2146 retval->distance_x += op2->x-op1->x; 1543 retval->distance_x += op2->x - op1->x;
2147 retval->distance_y += op2->y-op1->y; 1544 retval->distance_y += op2->y - op1->y;
2148 1545
2149 best = op1; 1546 best = op1;
2150 /* If this is multipart, find the closest part now */ 1547 /* If this is multipart, find the closest part now */
2151 if (!(flags&0x1) && op1->more) { 1548 if (!(flags & 0x1) && op1->more)
1549 {
2152 object *tmp; 1550 object *tmp;
2153 int best_distance = retval->distance_x*retval->distance_x+ 1551 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2154 retval->distance_y*retval->distance_y, tmpi;
2155 1552
2156 /* we just take the offset of the piece to head to figure 1553 /* we just take the offset of the piece to head to figure
2157 * distance instead of doing all that work above again 1554 * distance instead of doing all that work above again
2158 * since the distance fields we set above are positive in the 1555 * since the distance fields we set above are positive in the
2159 * same axis as is used for multipart objects, the simply arithmetic 1556 * same axis as is used for multipart objects, the simply arithmetic
2160 * below works. 1557 * below works.
2161 */ 1558 */
2162 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 1559 for (tmp = op1->more; tmp != NULL; tmp = tmp->more)
1560 {
2163 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 1561 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2164 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 1562 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2165 if (tmpi < best_distance) { 1563 if (tmpi < best_distance)
1564 {
2166 best_distance = tmpi; 1565 best_distance = tmpi;
2167 best = tmp; 1566 best = tmp;
2168 } 1567 }
2169 } 1568 }
2170 if (best != op1) { 1569 if (best != op1)
1570 {
2171 retval->distance_x += op1->x-best->x; 1571 retval->distance_x += op1->x - best->x;
2172 retval->distance_y += op1->y-best->y; 1572 retval->distance_y += op1->y - best->y;
2173 } 1573 }
2174 } 1574 }
2175 retval->part = best; 1575 retval->part = best;
2176 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1576 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);
2177 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1577 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2178 } 1578 }
2179} 1579}
2180 1580
2181/* this is basically the same as get_rangevector above, but instead of 1581/* this is basically the same as get_rangevector above, but instead of
2182 * the first parameter being an object, it instead is the map 1582 * the first parameter being an object, it instead is the map
… …
2187 * be more consistant with the above function and also in case they are needed 1587 * be more consistant with the above function and also in case they are needed
2188 * for something in the future. Also, since no object is pasted, the best 1588 * for something in the future. Also, since no object is pasted, the best
2189 * field of the rv_vector is set to NULL. 1589 * field of the rv_vector is set to NULL.
2190 */ 1590 */
2191 1591
1592void
2192void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 1593get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags)
1594{
2193 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 1595 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1596 {
2194 /* be conservative and fill in _some_ data */ 1597 /* be conservative and fill in _some_ data */
2195 retval->distance = 100000; 1598 retval->distance = 100000;
2196 retval->distance_x = 32767; 1599 retval->distance_x = 32767;
2197 retval->distance_y = 32767; 1600 retval->distance_y = 32767;
2198 retval->direction = 0; 1601 retval->direction = 0;
2199 retval->part = 0; 1602 retval->part = 0;
2200 } else { 1603 }
1604 else
1605 {
2201 retval->distance_x += op2->x-x; 1606 retval->distance_x += op2->x - x;
2202 retval->distance_y += op2->y-y; 1607 retval->distance_y += op2->y - y;
2203 1608
2204 retval->part = NULL; 1609 retval->part = NULL;
2205 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1610 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);
2206 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1611 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2207 } 1612 }
2208} 1613}
2209 1614
2210/* Returns true of op1 and op2 are effectively on the same map 1615/* Returns true of op1 and op2 are effectively on the same map
2211 * (as related to map tiling). Note that this looks for a path from 1616 * (as related to map tiling). Note that this looks for a path from
2212 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1617 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2213 * to op1, this will still return false. 1618 * to op1, this will still return false.
2214 * Note we only look one map out to keep the processing simple 1619 * Note we only look one map out to keep the processing simple
2215 * and efficient. This could probably be a macro. 1620 * and efficient. This could probably be a macro.
2216 * MSW 2001-08-05 1621 * MSW 2001-08-05
2217 */ 1622 */
1623int
2218int on_same_map(const object *op1, const object *op2) { 1624on_same_map (const object *op1, const object *op2)
1625{
2219 int dx, dy; 1626 int dx, dy;
2220 1627
2221 return adjacent_map(op1->map, op2->map, &dx, &dy); 1628 return adjacent_map (op1->map, op2->map, &dx, &dy);
2222} 1629}
1630
1631object *
1632maptile::insert (object *op, int x, int y, object *originator, int flags)
1633{
1634 if (!op->flag [FLAG_REMOVED])
1635 op->remove ();
1636
1637 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1638}
1639

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