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Comparing deliantra/server/common/map.C (file contents):
Revision 1.1 by elmex, Sun Aug 13 17:16:00 2006 UTC vs.
Revision 1.75 by root, Mon Jan 15 01:25:41 2007 UTC

1/*
2 * static char *rcsid_map_c =
3 * "$Id: map.C,v 1.1 2006/08/13 17:16:00 elmex Exp $";
4 */
5
6/* 1/*
7 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
8 3
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
9 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 6 Copyright (C) 1992 Frank Tore Johansen
11 7
12 This program is free software; you can redistribute it and/or modify 8 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by 9 it under the terms of the GNU General Public License as published by
… …
21 17
22 You should have received a copy of the GNU General Public License 18 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software 19 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 21
26 The authors can be reached via e-mail at crossfire-devel@real-time.com 22 The authors can be reached via e-mail at <crossfire@schmorp.de>
27*/ 23*/
28
29 24
30#include <global.h> 25#include <global.h>
31#include <funcpoint.h> 26#include <funcpoint.h>
32 27
33#include <loader.h> 28#include <loader.h>
34#ifndef WIN32 /* ---win32 exclude header */
35#include <unistd.h> 29#include <unistd.h>
36#endif /* win32 */
37 30
38#include "path.h" 31#include "path.h"
39
40
41extern int nrofallocobjects,nroffreeobjects;
42
43void (*load_original_map_callback)(mapstruct *map);
44void (*load_temporary_map_callback)(mapstruct *map);
45void (*clean_temporary_map_callback)(mapstruct *map);
46
47/*
48 * Returns the mapstruct which has a name matching the given argument.
49 * return NULL if no match is found.
50 */
51
52mapstruct *has_been_loaded (const char *name) {
53 mapstruct *map;
54
55 if (!name || !*name)
56 return 0;
57 for (map = first_map; map; map = map->next)
58 if (!strcmp (name, map->path))
59 break;
60 return (map);
61}
62 32
63/* 33/*
64 * This makes a path absolute outside the world of Crossfire. 34 * This makes a path absolute outside the world of Crossfire.
65 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 35 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
66 * and returns the pointer to a static array containing the result. 36 * and returns the pointer to a static array containing the result.
67 * it really should be called create_mapname 37 * it really should be called create_mapname
68 */ 38 */
69 39const char *
70const char *create_pathname (const char *name) { 40create_pathname (const char *name)
41{
71 static char buf[MAX_BUF]; 42 static char buf[8192];
72
73 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
74 * someplace else in the code? msw 2-17-97
75 */
76 if (*name == '/')
77 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
78 else
79 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); 43 snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name);
80 return (buf); 44 return buf;
81} 45}
82
83/*
84 * same as create_pathname, but for the overlay maps.
85 */
86
87const char *create_overlay_pathname (const char *name) {
88 static char buf[MAX_BUF];
89
90 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
91 * someplace else in the code? msw 2-17-97
92 */
93 if (*name == '/')
94 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
95 else
96 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
97 return (buf);
98}
99
100/*
101 * same as create_pathname, but for the template maps.
102 */
103
104const char *create_template_pathname (const char *name) {
105 static char buf[MAX_BUF];
106
107 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
108 * someplace else in the code? msw 2-17-97
109 */
110 if (*name == '/')
111 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
112 else
113 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
114 return (buf);
115}
116
117/*
118 * This makes absolute path to the itemfile where unique objects
119 * will be saved. Converts '/' to '@'. I think it's essier maintain
120 * files than full directory structure, but if this is problem it can
121 * be changed.
122 */
123static const char *create_items_path (const char *s) {
124 static char buf[MAX_BUF];
125 char *t;
126
127 if (*s == '/')
128 s++;
129
130 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
131
132 for (t=buf+strlen(buf); *s; s++,t++)
133 if (*s == '/')
134 *t = '@';
135 else
136 *t = *s;
137 *t = 0;
138 return (buf);
139}
140
141 46
142/* 47/*
143 * This function checks if a file with the given path exists. 48 * This function checks if a file with the given path exists.
144 * -1 is returned if it fails, otherwise the mode of the file 49 * -1 is returned if it fails, otherwise the mode of the file
145 * is returned. 50 * is returned.
… …
152 * the rest of the code only cares that the file is readable. 57 * the rest of the code only cares that the file is readable.
153 * when the editor goes away, the call to stat should probably be 58 * when the editor goes away, the call to stat should probably be
154 * replaced by an access instead (similar to the windows one, but 59 * replaced by an access instead (similar to the windows one, but
155 * that seems to be missing the prepend_dir processing 60 * that seems to be missing the prepend_dir processing
156 */ 61 */
157 62int
158int check_path (const char *name, int prepend_dir) 63check_path (const char *name, int prepend_dir)
159{ 64{
160 char buf[MAX_BUF]; 65 char buf[MAX_BUF];
161#ifndef WIN32 66
162 char *endbuf; 67 char *endbuf;
163 struct stat statbuf; 68 struct stat statbuf;
164 int mode = 0, i; 69 int mode = 0;
165#endif
166 70
167 if (prepend_dir) 71 if (prepend_dir)
168 strcpy (buf, create_pathname(name)); 72 strcpy (buf, create_pathname (name));
169 else 73 else
170 strcpy(buf, name); 74 strcpy (buf, name);
171#ifdef WIN32 /* ***win32: check this sucker in windows style. */
172 return(_access(buf,0));
173#else
174 75
175 /* old method (strchr(buf, '\0')) seemd very odd to me - 76 /* old method (strchr(buf, '\0')) seemd very odd to me -
176 * this method should be equivalant and is clearer. 77 * this method should be equivalant and is clearer.
177 * Can not use strcat because we need to cycle through 78 * Can not use strcat because we need to cycle through
178 * all the names. 79 * all the names.
179 */ 80 */
180 endbuf = buf + strlen(buf); 81 endbuf = buf + strlen (buf);
181 82
182 for (i = 0; i < NROF_COMPRESS_METHODS; i++) {
183 if (uncomp[i][0])
184 strcpy(endbuf, uncomp[i][0]);
185 else
186 *endbuf = '\0';
187 if (!stat (buf, &statbuf)) 83 if (stat (buf, &statbuf))
188 break;
189 }
190 if (i == NROF_COMPRESS_METHODS)
191 return (-1); 84 return -1;
192 if (!S_ISREG (statbuf.st_mode)) 85 if (!S_ISREG (statbuf.st_mode))
193 return (-1); 86 return (-1);
194 87
195 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) || 88 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
196 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) || 89 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
197 (statbuf.st_mode & S_IROTH))
198 mode |= 4; 90 mode |= 4;
199 91
200 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) || 92 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
201 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) || 93 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
202 (statbuf.st_mode & S_IWOTH))
203 mode |= 2; 94 mode |= 2;
204 95
205 return (mode); 96 return (mode);
206#endif
207}
208
209/*
210 * Prints out debug-information about a map.
211 * Dumping these at llevError doesn't seem right, but is
212 * necessary to make sure the information is in fact logged.
213 */
214
215void dump_map(const mapstruct *m) {
216 LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory);
217 LOG(llevError,"Size: %dx%d Start: %d,%d\n",
218 MAP_WIDTH(m), MAP_HEIGHT(m),
219 MAP_ENTER_X(m), MAP_ENTER_Y(m));
220
221 if(m->msg!=NULL)
222 LOG(llevError,"Message:\n%s",m->msg);
223
224 if(m->maplore!=NULL)
225 LOG(llevError,"Lore:\n%s",m->maplore);
226
227 if(m->tmpname!=NULL)
228 LOG(llevError,"Tmpname: %s\n",m->tmpname);
229
230 LOG(llevError,"Difficulty: %d\n",m->difficulty);
231 LOG(llevError,"Darkness: %d\n",m->darkness);
232}
233
234/*
235 * Prints out debug-information about all maps.
236 * This basically just goes through all the maps and calls
237 * dump_map on each one.
238 */
239
240void dump_all_maps(void) {
241 mapstruct *m;
242 for(m=first_map;m!=NULL;m=m->next) {
243 dump_map(m);
244 }
245} 97}
246 98
247/* This rolls up wall, blocks_magic, blocks_view, etc, all into 99/* This rolls up wall, blocks_magic, blocks_view, etc, all into
248 * one function that just returns a P_.. value (see map.h) 100 * one function that just returns a P_.. value (see map.h)
249 * it will also do map translation for tiled maps, returning 101 * it will also do map translation for tiled maps, returning
… …
252 * by a P_NEW_MAP value, another call to get_map_from_coord 104 * by a P_NEW_MAP value, another call to get_map_from_coord
253 * is needed. The case of not passing values is if we're just 105 * is needed. The case of not passing values is if we're just
254 * checking for the existence of something on those spaces, but 106 * checking for the existence of something on those spaces, but
255 * don't expect to insert/remove anything from those spaces. 107 * don't expect to insert/remove anything from those spaces.
256 */ 108 */
109int
257int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 110get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
258{ 111{
259 sint16 newx, newy;
260 int retval=0;
261 mapstruct *mp;
262
263 if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP;
264 newx = x; 112 sint16 newx = x;
265 newy = y; 113 sint16 newy = y;
114
266 mp = get_map_from_coord(oldmap, &newx, &newy); 115 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
267 if (mp != oldmap) 116
268 retval |= P_NEW_MAP; 117 if (!mp)
118 return P_OUT_OF_MAP;
119
269 if (newmap) *newmap = mp; 120 if (newmap) *newmap = mp;
270 if (nx) *nx = newx; 121 if (nx) *nx = newx;
271 if (ny) *ny = newy; 122 if (ny) *ny = newy;
272 retval |= mp->spaces[newx + mp->width * newy].flags;
273 return retval;
274}
275 123
124 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
125}
276 126
277/* 127/*
278 * Returns true if the given coordinate is blocked except by the 128 * Returns true if the given coordinate is blocked except by the
279 * object passed is not blocking. This is used with 129 * object passed is not blocking. This is used with
280 * multipart monsters - if we want to see if a 2x2 monster 130 * multipart monsters - if we want to see if a 2x2 monster
… …
284 * monster. 134 * monster.
285 * m, x, y are the target map/coordinates - needed for map tiling. 135 * m, x, y are the target map/coordinates - needed for map tiling.
286 * the coordinates & map passed in should have been updated for tiling 136 * the coordinates & map passed in should have been updated for tiling
287 * by the caller. 137 * by the caller.
288 */ 138 */
289 139int
290int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 140blocked_link (object *ob, maptile *m, int sx, int sy)
141{
291 object *tmp; 142 object *tmp;
292 int mflags, blocked; 143 int mflags, blocked;
293 144
294 /* Make sure the coordinates are valid - they should be, as caller should 145 /* Make sure the coordinates are valid - they should be, as caller should
295 * have already checked this. 146 * have already checked this.
296 */ 147 */
297 if (OUT_OF_REAL_MAP(m, sx, sy)) { 148 if (OUT_OF_REAL_MAP (m, sx, sy))
149 {
298 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 150 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
299 return 1; 151 return 1;
300 } 152 }
301 153
302 /* Save some cycles - instead of calling get_map_flags(), just get the value 154 /* Save some cycles - instead of calling get_map_flags(), just get the value
303 * directly. 155 * directly.
304 */ 156 */
305 mflags = m->spaces[sx + m->width * sy].flags; 157 mflags = m->at (sx, sy).flags ();
306 158
307 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 159 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
308 160
309 /* If space is currently not blocked by anything, no need to 161 /* If space is currently not blocked by anything, no need to
310 * go further. Not true for players - all sorts of special 162 * go further. Not true for players - all sorts of special
311 * things we need to do for players. 163 * things we need to do for players.
312 */ 164 */
313 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 165 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
314
315 /* if there isn't anytyhing alive on this space, and this space isn't
316 * otherwise blocked, we can return now. Only if there is a living
317 * creature do we need to investigate if it is part of this creature
318 * or another. Likewise, only if something is blocking us do we
319 * need to investigate if there is a special circumstance that would
320 * let the player through (inventory checkers for example)
321 */
322 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0;
323
324 if(ob->head != NULL)
325 ob=ob->head;
326
327 /* We basically go through the stack of objects, and if there is
328 * some other object that has NO_PASS or FLAG_ALIVE set, return
329 * true. If we get through the entire stack, that must mean
330 * ob is blocking it, so return 0.
331 */
332 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) {
333
334 /* This must be before the checks below. Code for inventory checkers. */
335 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) {
336 /* If last_sp is set, the player/monster needs an object,
337 * so we check for it. If they don't have it, they can't
338 * pass through this space.
339 */
340 if (tmp->last_sp) {
341 if (check_inv_recursive(ob,tmp)==NULL)
342 return 1;
343 else
344 continue;
345 } else {
346 /* In this case, the player must not have the object -
347 * if they do, they can't pass through.
348 */
349 if (check_inv_recursive(ob,tmp)!=NULL) /* player has object */
350 return 1;
351 else
352 continue;
353 }
354 } /* if check_inv */
355 else {
356 /* Broke apart a big nasty if into several here to make
357 * this more readable. first check - if the space blocks
358 * movement, can't move here.
359 * second - if a monster, can't move there, unles it is a
360 * hidden dm
361 */
362 if (OB_MOVE_BLOCK(ob, tmp)) return 1;
363 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
364 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden))
365 return 1;
366 }
367
368 }
369 return 0; 166 return 0;
167
168 /* if there isn't anytyhing alive on this space, and this space isn't
169 * otherwise blocked, we can return now. Only if there is a living
170 * creature do we need to investigate if it is part of this creature
171 * or another. Likewise, only if something is blocking us do we
172 * need to investigate if there is a special circumstance that would
173 * let the player through (inventory checkers for example)
174 */
175 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
176 return 0;
177
178 if (ob->head != NULL)
179 ob = ob->head;
180
181 /* We basically go through the stack of objects, and if there is
182 * some other object that has NO_PASS or FLAG_ALIVE set, return
183 * true. If we get through the entire stack, that must mean
184 * ob is blocking it, so return 0.
185 */
186 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
187 {
188
189 /* This must be before the checks below. Code for inventory checkers. */
190 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
191 {
192 /* If last_sp is set, the player/monster needs an object,
193 * so we check for it. If they don't have it, they can't
194 * pass through this space.
195 */
196 if (tmp->last_sp)
197 {
198 if (check_inv_recursive (ob, tmp) == NULL)
199 return 1;
200 else
201 continue;
202 }
203 else
204 {
205 /* In this case, the player must not have the object -
206 * if they do, they can't pass through.
207 */
208 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
209 return 1;
210 else
211 continue;
212 }
213 } /* if check_inv */
214 else
215 {
216 /* Broke apart a big nasty if into several here to make
217 * this more readable. first check - if the space blocks
218 * movement, can't move here.
219 * second - if a monster, can't move there, unles it is a
220 * hidden dm
221 */
222 if (OB_MOVE_BLOCK (ob, tmp))
223 return 1;
224 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
225 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))
226 return 1;
227 }
228
229 }
230 return 0;
370} 231}
371 232
372 233
373/* 234/*
374 * Returns true if the given object can't fit in the given spot. 235 * Returns true if the given object can't fit in the given spot.
… …
394 * 255 *
395 * Note this used to be arch_blocked, but with new movement 256 * Note this used to be arch_blocked, but with new movement
396 * code, we need to have actual object to check its move_type 257 * code, we need to have actual object to check its move_type
397 * against the move_block values. 258 * against the move_block values.
398 */ 259 */
399 260int
400int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 261ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
262{
401 archetype *tmp; 263 archetype *tmp;
402 int flag; 264 int flag;
403 mapstruct *m1; 265 maptile *m1;
404 sint16 sx, sy; 266 sint16 sx, sy;
405 267
406 if(ob==NULL) { 268 if (!ob)
269 {
407 flag= get_map_flags(m,&m1, x,y, &sx, &sy); 270 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
408 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 271 if (flag & P_OUT_OF_MAP)
272 return P_OUT_OF_MAP;
409 273
410 /* don't have object, so don't know what types would block */ 274 /* don't have object, so don't know what types would block */
411 return(GET_MAP_MOVE_BLOCK(m1, sx, sy)); 275 return m1->at (sx, sy).move_block;
412 } 276 }
413 277
414 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { 278 for (tmp = ob->arch; tmp; tmp = tmp->more)
279 {
415 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 280 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
416 281
417 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 282 if (flag & P_OUT_OF_MAP)
418 if (flag & P_IS_ALIVE) return P_IS_ALIVE; 283 return P_OUT_OF_MAP;
284 if (flag & P_IS_ALIVE)
285 return P_IS_ALIVE;
419 286
287 mapspace &ms = m1->at (sx, sy);
288
420 /* find_first_free_spot() calls this function. However, often 289 /* find_first_free_spot() calls this function. However, often
421 * ob doesn't have any move type (when used to place exits) 290 * 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. 291 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
423 */ 292 */
424 293
425 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue; 294 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
295 continue;
426 296
427 /* Note it is intentional that we check ob - the movement type of the 297 /* Note it is intentional that we check ob - the movement type of the
428 * head of the object should correspond for the entire object. 298 * head of the object should correspond for the entire object.
429 */ 299 */
430 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 300 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
431 return AB_NO_PASS; 301 return P_NO_PASS;
432
433 } 302 }
303
434 return 0; 304 return 0;
435} 305}
436 306
437/* When the map is loaded, load_object does not actually insert objects 307/* 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 308 * into inventory, but just links them. What this does is go through
439 * and insert them properly. 309 * and insert them properly.
440 * The object 'container' is the object that contains the inventory. 310 * The object 'container' is the object that contains the inventory.
441 * This is needed so that we can update the containers weight. 311 * This is needed so that we can update the containers weight.
442 */ 312 */
443 313void
444void fix_container(object *container) 314fix_container (object *container)
445{ 315{
446 object *tmp=container->inv, *next; 316 object *tmp = container->inv, *next;
447 317
448 container->inv=NULL; 318 container->inv = 0;
449 while (tmp!=NULL) { 319 while (tmp)
320 {
450 next = tmp->below; 321 next = tmp->below;
451 if (tmp->inv) 322 if (tmp->inv)
452 fix_container(tmp); 323 fix_container (tmp);
324
453 (void) insert_ob_in_ob(tmp,container); 325 insert_ob_in_ob (tmp, container);
454 tmp = next; 326 tmp = next;
455 } 327 }
328
456 /* sum_weight will go through and calculate what all the containers are 329 /* sum_weight will go through and calculate what all the containers are
457 * carrying. 330 * carrying.
458 */ 331 */
459 sum_weight(container); 332 sum_weight (container);
333}
334
335void
336maptile::set_object_flag (int flag, int value)
337{
338 if (!spaces)
339 return;
340
341 for (mapspace *ms = spaces + size (); ms-- > spaces; )
342 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
343 tmp->flag [flag] = value;
460} 344}
461 345
462/* link_multipart_objects go through all the objects on the map looking 346/* 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 347 * 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 348 * 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 349 * 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. 350 * the more sections and not re-add sections for them.
467 */ 351 */
468 352void
469static void link_multipart_objects(mapstruct *m) 353maptile::link_multipart_objects ()
470{ 354{
471 int x,y; 355 if (!spaces)
472 object *tmp, *op, *last, *above; 356 return;
473 archetype *at;
474 357
475 for(x=0;x<MAP_WIDTH(m);x++) 358 for (mapspace *ms = spaces + size (); ms-- > spaces; )
476 for(y=0;y<MAP_HEIGHT(m);y++) 359 for (object *tmp = ms->bot; tmp; )
477 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 360 {
478 above=tmp->above; 361 object *above = tmp->above;
479 362
480 /* already multipart - don't do anything more */ 363 /* already multipart - don't do anything more */
481 if (tmp->head || tmp->more) continue; 364 if (!tmp->head && !tmp->more)
482 365 {
483 /* If there is nothing more to this object, this for loop 366 /* If there is nothing more to this object, this for loop
484 * won't do anything. 367 * won't do anything.
485 */ 368 */
486 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) { 369 archetype *at;
370 object *last, *op;
371 for (at = tmp->arch->more, last = tmp;
372 at;
373 at = at->more, last = op)
374 {
487 op = arch_to_object(at); 375 op = arch_to_object (at);
488 376
489 /* update x,y coordinates */ 377 /* update x,y coordinates */
490 op->x += tmp->x; 378 op->x += tmp->x;
491 op->y += tmp->y; 379 op->y += tmp->y;
492 op->head = tmp; 380 op->head = tmp;
493 op->map = m; 381 op->map = this;
494 last->more = op; 382 last->more = op;
495 if (tmp->name != op->name) { 383 op->name = tmp->name;
496 if (op->name) free_string(op->name); 384 op->title = tmp->title;
497 op->name = add_string(tmp->name); 385
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 386 /* we could link all the parts onto tmp, and then just
504 * call insert_ob_in_map once, but the effect is the same, 387 * 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 388 * 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. 389 * the coding is simpler to just to it here with each part.
507 */ 390 */
508 insert_ob_in_map(op, op->map, tmp,INS_NO_MERGE|INS_ABOVE_FLOOR_ONLY|INS_NO_WALK_ON); 391 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 */ 392 }
510 } /* for objects on this space */ 393 }
394
395 tmp = above;
396 }
511} 397}
512
513
514 398
515/* 399/*
516 * Loads (ands parses) the objects into a given map from the specified 400 * Loads (ands parses) the objects into a given map from the specified
517 * file pointer. 401 * file pointer.
518 * mapflags is the same as we get with load_original_map 402 * mapflags is the same as we get with load_original_map
519 */ 403 */
520 404bool
521void load_objects (mapstruct *m, FILE *fp, int mapflags) { 405maptile::_load_objects (object_thawer &thawer)
522 int i,j,bufstate=LO_NEWFILE; 406{
523 int unique; 407 int unique;
524 object *op, *prev=NULL,*last_more=NULL, *otmp; 408 object *op, *prev = NULL, *last_more = NULL, *otmp;
525 409
526 op=get_object(); 410 op = object::create ();
527 op->map = m; /* To handle buttons correctly */ 411 op->map = this; /* To handle buttons correctly */
528 412
529 while((i=load_object(fp,op,bufstate, mapflags))) { 413 while (int i = load_object (thawer, op, 0))
530 /* Since the loading of the map header does not load an object 414 {
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 415 /* if the archetype for the object is null, means that we
537 * got an invalid object. Don't do anything with it - the game 416 * 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. 417 * or editor will not be able to do anything with it either.
539 */ 418 */
540 if (op->arch==NULL) { 419 if (op->arch == NULL)
420 {
541 LOG(llevDebug,"Discarding object without arch: %s\n", op->name?op->name:"(null)"); 421 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
542 continue; 422 continue;
543 } 423 }
544 424
545 425 switch (i)
546 switch(i) { 426 {
547 case LL_NORMAL: 427 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); 428 insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
554 429
555 if (op->inv) 430 if (op->inv)
556 sum_weight(op); 431 sum_weight (op);
557 432
558 prev=op,last_more=op; 433 prev = op, last_more = op;
559 break; 434 break;
560 435
561 case LL_MORE: 436 case LL_MORE:
562 insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 437 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; 438 op->head = prev, last_more->more = op, last_more = op;
564 break; 439 break;
565 } 440 }
566 if (mapflags & MAP_STYLE) { 441
567 remove_from_active_list(op); 442 op = object::create ();
568 }
569 op=get_object();
570 op->map = m; 443 op->map = this;
571 } 444 }
445
446 op->destroy ();
447
448#if 0
572 for (i=0;i<m->width;i++){ 449 for (i = 0; i < width; i++)
573 for (j=0;j<m->height;j++){ 450 for (j = 0; j < height; j++)
451 {
574 unique =0; 452 unique = 0;
575 /* check for unique items, or unique squares */ 453 /* check for unique items, or unique squares */
576 for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) { 454 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
455 {
577 if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL)) 456 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
578 unique = 1; 457 unique = 1;
458
579 if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique)) 459 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
580 SET_FLAG(otmp, FLAG_OBJ_ORIGINAL); 460 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
461 }
462 }
463#endif
464
465 return true;
466}
467
468void
469maptile::activate ()
470{
471 if (!spaces)
472 return;
473
474 for (mapspace *ms = spaces + size (); ms-- > spaces; )
475 for (object *op = ms->bot; op; op = op->above)
476 op->activate_recursive ();
477}
478
479void
480maptile::deactivate ()
481{
482 if (!spaces)
483 return;
484
485 for (mapspace *ms = spaces + size (); ms-- > spaces; )
486 for (object *op = ms->bot; op; op = op->above)
487 op->deactivate_recursive ();
488}
489
490bool
491maptile::_save_objects (object_freezer &freezer, int flags)
492{
493 static int cede_count = 0;
494
495 if (flags & IO_HEADER)
496 _save_header (freezer);
497
498 if (!spaces)
499 return false;
500
501 for (int i = 0; i < size (); ++i)
502 {
503#if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D
504 if (cede_count >= 500)
505 {
506 cede_count = 0;
507 coroapi::cede ();
508 }
509#endif
510
511 int unique = 0;
512 for (object *op = spaces [i].bot; op; op = op->above)
513 {
514 // count per-object, but cede only when modification-safe
515 cede_count++;
516
517 if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR])
518 unique = 1;
519
520 if (!op->can_map_save ())
521 continue;
522
523 if (unique || op->flag [FLAG_UNIQUE])
524 {
525 if (flags & IO_UNIQUES)
526 save_object (freezer, op, 1);
527 }
528 else if (flags & IO_OBJECTS)
529 save_object (freezer, op, 1);
530 }
581 } 531 }
582 } 532
533 return true;
534}
535
536bool
537maptile::_load_objects (const char *path, bool skip_header)
538{
539 object_thawer thawer (path);
540
541 if (!thawer)
542 return false;
543
544 if (skip_header)
545 for (;;)
546 {
547 keyword kw = thawer.get_kv ();
548
549 if (kw == KW_end)
550 break;
551
552 thawer.skip_kv (kw);
583 } 553 }
584 free_object(op);
585 link_multipart_objects(m);
586}
587 554
588/* This saves all the objects on the map in a non destructive fashion. 555 return _load_objects (thawer);
589 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 556}
590 * and we only save the head of multi part objects - this is needed 557
591 * in order to do map tiling properly. 558bool
559maptile::_save_objects (const char *path, int flags)
560{
561 object_freezer freezer;
562
563 if (!_save_objects (freezer, flags))
564 return false;
565
566 return freezer.save (path);
567}
568
569maptile::maptile ()
570{
571 in_memory = MAP_SWAPPED;
572
573 /* The maps used to pick up default x and y values from the
574 * map archetype. Mimic that behaviour.
592 */ 575 */
593void save_objects (mapstruct *m, FILE *fp, FILE *fp2, int flag) { 576 width = 16;
594 int i, j = 0,unique=0; 577 height = 16;
595 object *op; 578 reset_timeout = 0;
596 /* first pass - save one-part objects */ 579 timeout = 300;
597 for(i = 0; i < MAP_WIDTH(m); i++) 580 enter_x = 0;
598 for (j = 0; j < MAP_HEIGHT(m); j++) { 581 enter_y = 0;
599 unique=0; 582}
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;
603 583
604 if(op->type == PLAYER) { 584maptile::maptile (int w, int h)
605 LOG(llevDebug, "Player on map that is being saved\n"); 585{
606 continue; 586 in_memory = MAP_SWAPPED;
607 }
608 587
609 if (op->head || op->owner) 588 width = w;
610 continue; 589 height = h;
590 reset_timeout = 0;
591 timeout = 300;
592 enter_x = 0;
593 enter_y = 0;
611 594
612 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 595 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} 596}
623 597
624/* 598/*
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. 599 * Allocates the arrays contained in a maptile.
661 * This basically allocates the dynamic array of spaces for the 600 * This basically allocates the dynamic array of spaces for the
662 * map. 601 * map.
663 */ 602 */
664 603void
665void allocate_map(mapstruct *m) { 604maptile::alloc ()
666 m->in_memory = MAP_IN_MEMORY; 605{
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) { 606 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; 607 return;
608
609 spaces = salloc0<mapspace> (size ());
692} 610}
693 611
694/* Takes a string from a map definition and outputs a pointer to the array of shopitems 612/* 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 613 * corresponding to that string. Memory is allocated for this, it must be freed
696 * at a later date. 614 * at a later date.
697 * Called by parse_map_headers below. 615 * Called by parse_map_headers below.
698 */ 616 */
699 617static shopitems *
700static shopitems *parse_shop_string (const char *input_string) { 618parse_shop_string (const char *input_string)
619{
701 char *shop_string, *p, *q, *next_semicolon, *next_colon; 620 char *shop_string, *p, *q, *next_semicolon, *next_colon;
702 shopitems *items=NULL; 621 shopitems *items = NULL;
703 int i=0, number_of_entries=0; 622 int i = 0, number_of_entries = 0;
704 const typedata *current_type; 623 const typedata *current_type;
705 624
706 shop_string=strdup_local(input_string); 625 shop_string = strdup (input_string);
707 p=shop_string; 626 p = shop_string;
708 /* first we'll count the entries, we'll need that for allocating the array shortly */ 627 /* first we'll count the entries, we'll need that for allocating the array shortly */
709 while (p) { 628 while (p)
629 {
710 p=strchr(p, ';'); 630 p = strchr (p, ';');
711 number_of_entries++; 631 number_of_entries++;
712 if (p) p++; 632 if (p)
633 p++;
713 } 634 }
635
714 p=shop_string; 636 p = shop_string;
715 strip_endline(p); 637 strip_endline (p);
716 items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); 638 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++) { 639 for (i = 0; i < number_of_entries; i++)
719 if (!p) { 640 {
641 if (!p)
642 {
720 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 643 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
721 break; 644 break;
722 }
723 next_semicolon=strchr(p, ';');
724 next_colon=strchr(p, ':');
725 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
726 if (next_colon &&( !next_semicolon || next_colon<next_semicolon))
727 items[i].strength=atoi(strchr(p,':')+1);
728
729 if (isdigit(*p) || *p=='*') {
730 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */
731 current_type=get_typedata(items[i].typenum);
732 if (current_type) {
733 items[i].name=current_type->name;
734 items[i].name_pl=current_type->name_pl;
735 }
736 }
737 else { /*we have a named type, let's figure out what it is */
738 q=strpbrk(p,";:");
739 if (q) *q='\0';
740
741 current_type=get_typedata_by_name(p);
742 if (current_type) {
743 items[i].name=current_type->name;
744 items[i].typenum=current_type->number;
745 items[i].name_pl=current_type->name_pl;
746 }
747 else { /* oh uh, something's wrong, let's free up this one, and try
748 * the next entry while we're at it, better print a warning
749 */
750 LOG(llevError, "invalid type %s defined in shopitems in string %s\n",
751 p, input_string);
752 }
753 } 645 }
646
647 next_semicolon = strchr (p, ';');
648 next_colon = strchr (p, ':');
649 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
650 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
651 items[i].strength = atoi (strchr (p, ':') + 1);
652
653 if (isdigit (*p) || *p == '*')
654 {
655 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
656 current_type = get_typedata (items[i].typenum);
657 if (current_type)
658 {
659 items[i].name = current_type->name;
660 items[i].name_pl = current_type->name_pl;
661 }
662 }
663 else
664 { /*we have a named type, let's figure out what it is */
665 q = strpbrk (p, ";:");
666 if (q)
667 *q = '\0';
668
669 current_type = get_typedata_by_name (p);
670 if (current_type)
671 {
672 items[i].name = current_type->name;
673 items[i].typenum = current_type->number;
674 items[i].name_pl = current_type->name_pl;
675 }
676 else
677 { /* oh uh, something's wrong, let's free up this one, and try
678 * the next entry while we're at it, better print a warning
679 */
680 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
681 }
682 }
683
754 items[i].index=number_of_entries; 684 items[i].index = number_of_entries;
755 if (next_semicolon) p=++next_semicolon; 685 if (next_semicolon)
756 else p=NULL; 686 p = ++next_semicolon;
687 else
688 p = NULL;
757 } 689 }
690
758 free(shop_string); 691 free (shop_string);
759 return items; 692 return items;
760} 693}
761 694
762/* opposite of parse string, this puts the string that was originally fed in to 695/* opposite of parse string, this puts the string that was originally fed in to
763 * the map (or something equivilent) into output_string. */ 696 * the map (or something equivilent) into output_string. */
697static void
764static void print_shop_string(mapstruct *m, char *output_string) { 698print_shop_string (maptile *m, char *output_string)
699{
765 int i; 700 int i;
766 char tmp[MAX_BUF]; 701 char tmp[MAX_BUF];
702
767 strcpy(output_string, ""); 703 strcpy (output_string, "");
768 for (i=0; i< m->shopitems[0].index; i++) { 704 for (i = 0; i < m->shopitems[0].index; i++)
705 {
769 if (m->shopitems[i].typenum) { 706 if (m->shopitems[i].typenum)
707 {
770 if (m->shopitems[i].strength) { 708 if (m->shopitems[i].strength)
771 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 709 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
772 } 710 else
773 else sprintf(tmp, "%s;", m->shopitems[i].name); 711 sprintf (tmp, "%s;", m->shopitems[i].name);
774 } 712 }
775 else { 713 else
714 {
776 if (m->shopitems[i].strength) { 715 if (m->shopitems[i].strength)
777 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 716 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
778 } 717 else
779 else sprintf(tmp, "*"); 718 sprintf (tmp, "*");
780 } 719 }
720
781 strcat(output_string, tmp); 721 strcat (output_string, tmp);
782 } 722 }
783} 723}
784 724
785/* This loads the header information of the map. The header 725/* This loads the header information of the map. The header
786 * contains things like difficulty, size, timeout, etc. 726 * contains things like difficulty, size, timeout, etc.
… …
790 * put all the stuff in the map object so that names actually make 730 * put all the stuff in the map object so that names actually make
791 * sense. 731 * sense.
792 * This could be done in lex (like the object loader), but I think 732 * 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. 733 * currently, there are few enough fields this is not a big deal.
794 * MSW 2001-07-01 734 * MSW 2001-07-01
795 * return 0 on success, 1 on failure.
796 */ 735 */
797 736bool
798static int load_map_header(FILE *fp, mapstruct *m) 737maptile::_load_header (object_thawer &thawer)
799{ 738{
800 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 739 for (;;)
801 int msgpos=0; 740 {
802 int maplorepos=0; 741 keyword kw = thawer.get_kv ();
803 742
804 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 743 switch (kw)
805 buf[HUGE_BUF-1] = 0; 744 {
806 key = buf; 745 case KW_EOF:
807 while (isspace(*key)) key++; 746 LOG (llevError, "%s: end of file while reading map header, aborting header load.\n", &path);
808 if (*key == 0) continue; /* empty line */ 747 return false;
809 value = strchr(key, ' '); 748
810 if (!value) { 749 case KW_end:
811 end = strchr(key, '\n'); 750 return true;
812 if (end != NULL) { 751
813 *end = 0; 752 default:
753 case KW_ERROR:
754 LOG (llevError, "%s: skipping errornous line (%s) while reading map header.\n", &path, thawer.last_keyword);
755 break;
756
757 case KW_msg:
758 thawer.get_ml (KW_endmsg, msg);
759 break;
760
761 case KW_lore: // CF+ extension
762 thawer.get_ml (KW_endlore, maplore);
763 break;
764
765 case KW_maplore:
766 thawer.get_ml (KW_endmaplore, maplore);
767 break;
768
769 case KW_arch:
770 if (strcmp (thawer.get_str (), "map"))
771 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
772 break;
773
774 case KW_oid:
775 thawer.get (this, thawer.get_sint32 ());
776 break;
777
778 case KW_file_format_version: break; // nop
779
780 case KW_name: thawer.get (name); break;
781 case KW_attach: thawer.get (attach); break;
782 case KW_reset_time: thawer.get (reset_time); break;
783 case KW_shopgreed: thawer.get (shopgreed); break;
784 case KW_shopmin: thawer.get (shopmin); break;
785 case KW_shopmax: thawer.get (shopmax); break;
786 case KW_shoprace: thawer.get (shoprace); break;
787 case KW_outdoor: thawer.get (outdoor); break;
788 case KW_temp: thawer.get (temp); break;
789 case KW_pressure: thawer.get (pressure); break;
790 case KW_humid: thawer.get (humid); break;
791 case KW_windspeed: thawer.get (windspeed); break;
792 case KW_winddir: thawer.get (winddir); break;
793 case KW_sky: thawer.get (sky); break;
794
795 case KW_per_player: thawer.get (per_player); break;
796 case KW_per_party: thawer.get (per_party); break;
797
798 case KW_region: get_region_by_name (thawer.get_str ()); break;
799 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
800
801 // old names new names
802 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
803 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
804 case KW_x: case KW_width: thawer.get (width); break;
805 case KW_y: case KW_height: thawer.get (height); break;
806 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
807 case KW_value: case KW_swap_time: thawer.get (timeout); break;
808 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
809 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
810 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
811
812 case KW_tile_path_1: thawer.get (tile_path [0]); break;
813 case KW_tile_path_2: thawer.get (tile_path [1]); break;
814 case KW_tile_path_3: thawer.get (tile_path [2]); break;
815 case KW_tile_path_4: thawer.get (tile_path [3]); break;
816 }
814 } 817 }
815 } else {
816 *value = 0;
817 value++;
818 end = strchr(value, '\n');
819 while (isspace(*value)) {
820 value++;
821 if (*value == '\0' || value == end) {
822 /* Nothing but spaces. */
823 value = NULL;
824 break;
825 }
826 }
827 }
828 if (!end) {
829 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n",
830 buf);
831 return 1;
832 }
833
834 818
835 /* key is the field name, value is what it should be set 819 abort ();
836 * to. We've already done the work to null terminate key, 820}
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 */
849 821
850 if (!strcmp(key,"msg")) { 822bool
851 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 823maptile::_load_header (const char *path)
852 if (!strcmp(buf,"endmsg\n")) break; 824{
853 else { 825 object_thawer thawer (path);
854 /* slightly more efficient than strcat */
855 strcpy(msgbuf+msgpos, buf);
856 msgpos += strlen(buf);
857 }
858 }
859 /* There are lots of maps that have empty messages (eg, msg/endmsg
860 * with nothing between). There is no reason in those cases to
861 * keep the empty message. Also, msgbuf contains garbage data
862 * when msgpos is zero, so copying it results in crashes
863 */
864 if (msgpos != 0)
865 m->msg = strdup_local(msgbuf);
866 }
867 else if (!strcmp(key,"maplore")) {
868 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
869 if (!strcmp(buf,"endmaplore\n")) break;
870 else {
871 /* slightly more efficient than strcat */
872 strcpy(maplorebuf+maplorepos, buf);
873 maplorepos += strlen(buf);
874 }
875 }
876 if (maplorepos != 0)
877 m->maplore = strdup_local(maplorebuf);
878 }
879 else if (!strcmp(key,"end")) {
880 break;
881 }
882 else if (value == NULL) {
883 LOG(llevError, "Got '%s' line without parameter in map header\n", key);
884 }
885 else if (!strcmp(key, "arch")) {
886 /* This is an oddity, but not something we care about much. */
887 if (strcmp(value,"map\n"))
888 LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value);
889 }
890 else if (!strcmp(key,"name")) {
891 *end=0;
892 m->name = strdup_local(value);
893 }
894 /* first strcmp value on these are old names supported
895 * for compatibility reasons. The new values (second) are
896 * what really should be used.
897 */
898 else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) {
899 m->enter_x = atoi(value);
900 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) {
901 m->enter_y = atoi(value);
902 } else if (!strcmp(key,"x") || !strcmp(key, "width")) {
903 m->width = atoi(value);
904 } else if (!strcmp(key,"y") || !strcmp(key, "height")) {
905 m->height = atoi(value);
906 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) {
907 m->reset_timeout = atoi(value);
908 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) {
909 m->timeout = atoi(value);
910 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) {
911 m->difficulty = atoi(value);
912 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) {
913 m->darkness = atoi(value);
914 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) {
915 m->fixed_resettime = atoi(value);
916 } else if (!strcmp(key,"unique")) {
917 m->unique = atoi(value);
918 } else if (!strcmp(key,"template")) {
919 m->templatemap = atoi(value);
920 } else if (!strcmp(key,"region")) {
921 m->region = get_region_by_name(value);
922 } else if (!strcmp(key,"shopitems")) {
923 *end=0;
924 m->shopitems = parse_shop_string(value);
925 } else if (!strcmp(key,"shopgreed")) {
926 m->shopgreed = atof(value);
927 } else if (!strcmp(key,"shopmin")) {
928 m->shopmin = atol(value);
929 } else if (!strcmp(key,"shopmax")) {
930 m->shopmax = atol(value);
931 } else if (!strcmp(key,"shoprace")) {
932 *end=0;
933 m->shoprace = strdup_local(value);
934 } else if (!strcmp(key,"outdoor")) {
935 m->outdoor = atoi(value);
936 } else if (!strcmp(key, "temp")) {
937 m->temp = atoi(value);
938 } else if (!strcmp(key, "pressure")) {
939 m->pressure = atoi(value);
940 } else if (!strcmp(key, "humid")) {
941 m->humid = atoi(value);
942 } else if (!strcmp(key, "windspeed")) {
943 m->windspeed = atoi(value);
944 } else if (!strcmp(key, "winddir")) {
945 m->winddir = atoi(value);
946 } else if (!strcmp(key, "sky")) {
947 m->sky = atoi(value);
948 } else if (!strcmp(key, "nosmooth")) {
949 m->nosmooth = atoi(value);
950 }
951 else if (!strncmp(key,"tile_path_", 10)) {
952 int tile=atoi(key+10);
953 826
954 if (tile<1 || tile>4) { 827 if (!thawer)
955 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n",
956 tile, m->path);
957 } else {
958 char *path;
959
960 *end = 0;
961
962 if (m->tile_path[tile-1]) {
963 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n",
964 tile, m->path);
965 free(m->tile_path[tile-1]);
966 m->tile_path[tile-1] = NULL;
967 }
968
969 if (check_path(value, 1) != -1) {
970 /* The unadorned path works. */
971 path = value;
972 } else {
973 /* Try again; it could be a relative exit. */
974
975 path = path_combine_and_normalize(m->path, value);
976
977 if (check_path(path, 1) == -1) {
978 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
979 path = NULL;
980 }
981 }
982
983 if (editor) {
984 /* Use the value as in the file. */
985 m->tile_path[tile-1] = strdup_local(value);
986 } else if (path != NULL) {
987 /* Use the normalized value. */
988 m->tile_path[tile-1] = strdup_local(path);
989 }
990 } /* end if tile direction (in)valid */
991 }
992 else {
993 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value);
994 }
995 }
996 if (!key || strcmp(key,"end")) {
997 LOG(llevError,"Got premature eof on map header!\n");
998 return 1;
999 }
1000 return 0; 828 return false;
1001}
1002 829
1003/* 830 return _load_header (thawer);
1004 * Opens the file "filename" and reads information about the map
1005 * from the given file, and stores it in a newly allocated
1006 * mapstruct. A pointer to this structure is returned, or NULL on failure.
1007 * flags correspond to those in map.h. Main ones used are
1008 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1009 * MAP_BLOCK, in which case we block on this load. This happens in all
1010 * cases, no matter if this flag is set or not.
1011 * MAP_STYLE: style map - don't add active objects, don't add to server
1012 * managed map list.
1013 */
1014
1015mapstruct *load_original_map(const char *filename, int flags) {
1016 FILE *fp;
1017 mapstruct *m;
1018 int comp;
1019 char pathname[MAX_BUF];
1020
1021 LOG(llevDebug, "load_original_map: %s (%x)\n", filename,flags);
1022 if (flags & MAP_PLAYER_UNIQUE)
1023 strcpy(pathname, filename);
1024 else if (flags & MAP_OVERLAY)
1025 strcpy(pathname, create_overlay_pathname(filename));
1026 else
1027 strcpy(pathname, create_pathname(filename));
1028
1029 if((fp=open_and_uncompress(pathname, 0, &comp))==NULL) {
1030 LOG(llevError, "Can't open %s: %s\n", pathname, strerror_local(errno));
1031 return (NULL);
1032 }
1033
1034 m = get_linked_map();
1035
1036 strcpy (m->path, filename);
1037 if (load_map_header(fp, m)) {
1038 LOG(llevError,"Error loading map header for %s, flags=%d\n",
1039 filename, flags);
1040 delete_map(m);
1041 return NULL;
1042 }
1043
1044 allocate_map(m);
1045 m->compressed = comp;
1046
1047 m->in_memory=MAP_LOADING;
1048 load_objects (m, fp, flags & (MAP_BLOCK|MAP_STYLE));
1049 close_and_delete(fp, comp);
1050 m->in_memory=MAP_IN_MEMORY;
1051 if (!MAP_DIFFICULTY(m))
1052 MAP_DIFFICULTY(m)=calculate_difficulty(m);
1053 set_map_reset_time(m);
1054 if (load_original_map_callback)
1055 load_original_map_callback(m);
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 FILE *fp;
1067 int comp;
1068 char buf[MAX_BUF];
1069
1070 if (!m->tmpname) {
1071 LOG(llevError, "No temporary filename for map %s\n", m->path);
1072 strcpy(buf, m->path);
1073 delete_map(m);
1074 m = load_original_map(buf, 0);
1075 if(m==NULL) return NULL;
1076 fix_auto_apply(m); /* Chests which open as default */
1077 return m;
1078 }
1079
1080 if((fp=open_and_uncompress(m->tmpname,0, &comp))==NULL) {
1081 LOG(llevError, "Cannot open %s: %s\n",m->tmpname, strerror_local(errno));
1082 strcpy(buf, m->path);
1083 delete_map(m);
1084 m = load_original_map(buf, 0);
1085 if(m==NULL) return NULL;
1086 fix_auto_apply(m); /* Chests which open as default */
1087 return m;
1088 }
1089
1090
1091 if (load_map_header(fp, 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 m->compressed = comp;
1099 allocate_map(m);
1100
1101 m->in_memory=MAP_LOADING;
1102 load_objects (m, fp, 0);
1103 close_and_delete(fp, comp);
1104 m->in_memory=MAP_IN_MEMORY;
1105 if (load_temporary_map_callback)
1106 load_temporary_map_callback(m);
1107 return m;
1108}
1109
1110/*
1111 * Loads a map, which has been loaded earlier, from file.
1112 * Return the map object we load into (this can change from the passed
1113 * option if we can't find the original map)
1114 */
1115
1116mapstruct *load_overlay_map(const char *filename, mapstruct *m) {
1117 FILE *fp;
1118 int comp;
1119 char pathname[MAX_BUF];
1120
1121 strcpy(pathname, create_overlay_pathname(filename));
1122
1123 if((fp=open_and_uncompress(pathname, 0, &comp))==NULL) {
1124/* LOG(llevDebug,"Can't open overlay %s\n", pathname);*/
1125 return m;
1126 }
1127
1128 if (load_map_header(fp, m)) {
1129 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1130 m->path, pathname);
1131 delete_map(m);
1132 m = load_original_map(m->path, 0);
1133 return NULL;
1134 }
1135 m->compressed = comp;
1136 /*allocate_map(m);*/
1137
1138 m->in_memory=MAP_LOADING;
1139 load_objects (m, fp, MAP_OVERLAY);
1140 close_and_delete(fp, comp);
1141 m->in_memory=MAP_IN_MEMORY;
1142 return m;
1143} 831}
1144 832
1145/****************************************************************************** 833/******************************************************************************
1146 * This is the start of unique map handling code 834 * This is the start of unique map handling code
1147 *****************************************************************************/ 835 *****************************************************************************/
1148 836
1149/* This goes through map 'm' and removed any unique items on the map. */ 837/* This goes through the maptile and removed any unique items on the map. */
1150static void delete_unique_items(mapstruct *m) 838void
839maptile::clear_unique_items ()
1151{ 840{
841 for (int i = 0; i < size (); ++i)
842 {
1152 int i,j,unique; 843 int unique = 0;
1153 object *op, *next; 844 for (object *op = spaces [i].bot; op; )
845 {
846 object *above = op->above;
1154 847
1155 for(i=0; i<MAP_WIDTH(m); i++)
1156 for(j=0; j<MAP_HEIGHT(m); j++) {
1157 unique=0;
1158 for (op=get_map_ob(m, i, j); op; op=next) {
1159 next = op->above;
1160 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 848 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1161 unique=1; 849 unique = 1;
850
1162 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 851 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1163 clean_object(op); 852 {
1164 if (QUERY_FLAG(op, FLAG_IS_LINKED)) 853 op->destroy_inv (false);
1165 remove_button_link(op); 854 op->destroy ();
1166 remove_ob(op); 855 }
1167 free_object(op); 856
1168 } 857 op = above;
858 }
1169 } 859 }
1170 }
1171} 860}
1172 861
862bool
863maptile::_save_header (object_freezer &freezer)
864{
865#define MAP_OUT(k) freezer.put (KW_ ## k, k)
866#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
1173 867
1174/* 868 MAP_OUT2 (arch, "map");
1175 * Loads unique objects from file(s) into the map which is in memory
1176 * m is the map to load unique items into.
1177 */
1178static void load_unique_objects(mapstruct *m) {
1179 FILE *fp;
1180 int comp,count;
1181 char firstname[MAX_BUF];
1182 869
1183 for (count=0; count<10; count++) { 870 if (name) MAP_OUT (name);
1184 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count); 871 MAP_OUT (swap_time);
1185 if (!access(firstname, R_OK)) break; 872 MAP_OUT (reset_time);
1186 } 873 MAP_OUT (reset_timeout);
1187 /* If we get here, we did not find any map */ 874 MAP_OUT (fixed_resettime);
1188 if (count==10) return; 875 MAP_OUT (difficulty);
1189 876
1190 if ((fp=open_and_uncompress(firstname, 0, &comp))==NULL) { 877 if (region) MAP_OUT2 (region, region->name);
1191 /* There is no expectation that every map will have unique items, but this
1192 * is debug output, so leave it in.
1193 */
1194 LOG(llevDebug, "Can't open unique items file for %s\n", create_items_path(m->path));
1195 return;
1196 }
1197 878
1198 m->in_memory=MAP_LOADING; 879 if (shopitems)
1199 if (m->tmpname == NULL) /* if we have loaded unique items from */
1200 delete_unique_items(m); /* original map before, don't duplicate them */
1201 load_object(fp, NULL, LO_NOREAD,0);
1202 load_objects (m, fp, 0);
1203 close_and_delete(fp, comp);
1204 m->in_memory=MAP_IN_MEMORY;
1205}
1206
1207
1208/*
1209 * Saves a map to file. If flag is set, it is saved into the same
1210 * file it was (originally) loaded from. Otherwise a temporary
1211 * filename will be genarated, and the file will be stored there.
1212 * The temporary filename will be stored in the mapstructure.
1213 * If the map is unique, we also save to the filename in the map
1214 * (this should have been updated when first loaded)
1215 */
1216
1217int new_save_map(mapstruct *m, int flag) {
1218 FILE *fp, *fp2;
1219 char filename[MAX_BUF],buf[MAX_BUF], shop[MAX_BUF];
1220 int i;
1221 880 {
1222 if (flag && !*m->path) { 881 char shop[MAX_BUF];
1223 LOG(llevError,"Tried to save map without path.\n");
1224 return -1;
1225 }
1226
1227 if (flag || (m->unique) || (m->templatemap)) {
1228 if (!m->unique && !m->templatemap) { /* flag is set */
1229 if (flag == 2)
1230 strcpy(filename, create_overlay_pathname(m->path));
1231 else
1232 strcpy (filename, create_pathname (m->path));
1233 } else
1234 strcpy (filename, m->path);
1235
1236 /* If the compression suffix already exists on the filename, don't
1237 * put it on again. This nasty looking strcmp checks to see if the
1238 * compression suffix is at the end of the filename already.
1239 */
1240 if (m->compressed &&
1241 strcmp((filename + strlen(filename)-strlen(uncomp[m->compressed][0])),
1242 uncomp[m->compressed][0]))
1243 strcat(filename, uncomp[m->compressed][0]);
1244 make_path_to_file(filename);
1245 } else {
1246 if (!m->tmpname)
1247 m->tmpname = tempnam_local(settings.tmpdir,NULL);
1248 strcpy(filename, m->tmpname);
1249 }
1250 LOG(llevDebug,"Saving map %s\n",m->path);
1251 m->in_memory = MAP_SAVING;
1252
1253 unlink (filename); // do not overwrite backups if done via hardlinks
1254
1255 /* Compress if it isn't a temporary save. Do compress if unique */
1256 if (m->compressed && (m->unique || m->templatemap || flag)) {
1257 char buf[MAX_BUF];
1258 strcpy(buf, uncomp[m->compressed][2]);
1259 strcat(buf, " > ");
1260 strcat(buf, filename);
1261 fp = popen(buf, "w");
1262 } else
1263 fp = fopen(filename, "w");
1264
1265 if(fp == NULL) {
1266 LOG(llevError, "Cannot write %s: %s\n", filename, strerror_local(errno));
1267 return -1;
1268 }
1269
1270 /* legacy */
1271 fprintf(fp,"arch map\n");
1272 if (m->name) fprintf(fp,"name %s\n", m->name);
1273 if (!flag) fprintf(fp,"swap_time %d\n", m->swap_time);
1274 if (m->reset_timeout) fprintf(fp,"reset_timeout %d\n", m->reset_timeout);
1275 if (m->fixed_resettime) fprintf(fp,"fixed_resettime %d\n", m->fixed_resettime);
1276 /* we unfortunately have no idea if this is a value the creator set
1277 * or a difficulty value we generated when the map was first loaded
1278 */
1279 if (m->difficulty) fprintf(fp,"difficulty %d\n", m->difficulty);
1280 if (m->region) fprintf(fp,"region %s\n", m->region->name);
1281 if (m->shopitems) {
1282 print_shop_string(m, shop); 882 print_shop_string (this, shop);
1283 fprintf(fp,"shopitems %s\n", shop); 883 MAP_OUT2 (shopitems, shop);
1284 }
1285 if (m->shopgreed) fprintf(fp,"shopgreed %f\n", m->shopgreed);
1286#ifndef WIN32
1287 if (m->shopmin) fprintf(fp,"shopmin %llu\n", m->shopmin);
1288 if (m->shopmax) fprintf(fp,"shopmax %llu\n", m->shopmax);
1289#else
1290 if (m->shopmin) fprintf(fp,"shopmin %I64u\n", m->shopmin);
1291 if (m->shopmax) fprintf(fp,"shopmax %I64u\n", m->shopmax);
1292#endif
1293 if (m->shoprace) fprintf(fp,"shoprace %s\n", m->shoprace);
1294 if (m->darkness) fprintf(fp,"darkness %d\n", m->darkness);
1295 if (m->width) fprintf(fp,"width %d\n", m->width);
1296 if (m->height) fprintf(fp,"height %d\n", m->height);
1297 if (m->enter_x) fprintf(fp,"enter_x %d\n", m->enter_x);
1298 if (m->enter_y) fprintf(fp,"enter_y %d\n", m->enter_y);
1299 if (m->msg) fprintf(fp,"msg\n%sendmsg\n", m->msg);
1300 if (m->maplore) fprintf(fp,"maplore\n%sendmaplore\n", m->maplore);
1301 if (m->unique) fprintf(fp,"unique %d\n", m->unique);
1302 if (m->templatemap) fprintf(fp,"template %d\n", m->templatemap);
1303 if (m->outdoor) fprintf(fp,"outdoor %d\n", m->outdoor);
1304 if (m->temp) fprintf(fp, "temp %d\n", m->temp);
1305 if (m->pressure) fprintf(fp, "pressure %d\n", m->pressure);
1306 if (m->humid) fprintf(fp, "humid %d\n", m->humid);
1307 if (m->windspeed) fprintf(fp, "windspeed %d\n", m->windspeed);
1308 if (m->winddir) fprintf(fp, "winddir %d\n", m->winddir);
1309 if (m->sky) fprintf(fp, "sky %d\n", m->sky);
1310 if (m->nosmooth) fprintf(fp, "nosmooth %d\n", m->nosmooth);
1311
1312 /* Save any tiling information, except on overlays */
1313 if (flag != 2)
1314 for (i=0; i<4; i++)
1315 if (m->tile_path[i])
1316 fprintf(fp,"tile_path_%d %s\n", i+1, m->tile_path[i]);
1317
1318 fprintf(fp,"end\n");
1319
1320 /* In the game save unique items in the different file, but
1321 * in the editor save them to the normal map file.
1322 * If unique map, save files in the proper destination (set by
1323 * player)
1324 */
1325 fp2 = fp; /* save unique items into fp2 */
1326 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap) {
1327 sprintf (buf,"%s.v00",create_items_path (m->path));
1328 if ((fp2 = fopen (buf, "w")) == NULL) {
1329 LOG(llevError, "Can't open unique items file %s\n", buf);
1330 }
1331 if (flag == 2)
1332 save_objects(m, fp, fp2, 2);
1333 else
1334 save_objects (m, fp, fp2, 0);
1335 if (fp2 != NULL) {
1336 if (ftell (fp2) == 0) {
1337 fclose (fp2);
1338 unlink (buf);
1339 } else {
1340 fclose (fp2);
1341 chmod (buf, SAVE_MODE);
1342 } 884 }
1343 }
1344 } else { /* save same file when not playing, like in editor */
1345 save_objects(m, fp, fp, 0);
1346 }
1347 885
1348 if (m->compressed && (m->unique || m->templatemap || flag)) 886 MAP_OUT (shopgreed);
1349 pclose(fp); 887 MAP_OUT (shopmin);
1350 else 888 MAP_OUT (shopmax);
1351 fclose(fp); 889 if (shoprace) MAP_OUT (shoprace);
890 MAP_OUT (darkness);
891 MAP_OUT (width);
892 MAP_OUT (height);
893 MAP_OUT (enter_x);
894 MAP_OUT (enter_y);
1352 895
1353 chmod (filename, SAVE_MODE); 896 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
897 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
898
899 MAP_OUT (outdoor);
900 MAP_OUT (temp);
901 MAP_OUT (pressure);
902 MAP_OUT (humid);
903 MAP_OUT (windspeed);
904 MAP_OUT (winddir);
905 MAP_OUT (sky);
906
907 MAP_OUT (per_player);
908 MAP_OUT (per_party);
909
910 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
911 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
912 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
913 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
914
915 freezer.put (this);
916 freezer.put (KW_end);
917
918 return true;
919}
920
921bool
922maptile::_save_header (const char *path)
923{
924 object_freezer freezer;
925
926 if (!_save_header (freezer))
1354 return 0; 927 return false;
1355}
1356 928
1357 929 return freezer.save (path);
1358/*
1359 * Remove and free all objects in the inventory of the given object.
1360 * object.c ?
1361 */
1362
1363void clean_object(object *op)
1364{
1365 object *tmp, *next;
1366
1367 for(tmp = op->inv; tmp; tmp = next)
1368 {
1369 next = tmp->below;
1370 clean_object(tmp);
1371 if (QUERY_FLAG(tmp, FLAG_IS_LINKED))
1372 remove_button_link(tmp);
1373 remove_ob(tmp);
1374 free_object(tmp);
1375 }
1376} 930}
1377 931
1378/* 932/*
1379 * Remove and free all objects in the given map. 933 * Remove and free all objects in the given map.
1380 */ 934 */
935void
936maptile::clear ()
937{
938 if (!spaces)
939 return;
1381 940
1382void free_all_objects(mapstruct *m) { 941 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1383 int i,j; 942 while (object *op = ms->bot)
1384 object *op; 943 {
1385 944 if (op->head)
1386 for(i=0;i<MAP_WIDTH(m);i++)
1387 for(j=0;j<MAP_HEIGHT(m);j++) {
1388 object *previous_obj=NULL;
1389 while((op=GET_MAP_OB(m,i,j))!=NULL) {
1390 if (op==previous_obj) {
1391 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n");
1392 break;
1393 }
1394 previous_obj=op;
1395 if(op->head!=NULL)
1396 op = op->head; 945 op = op->head;
1397 946
1398 /* If the map isn't in memory, free_object will remove and 947 op->destroy_inv (false);
1399 * free objects in op's inventory. So let it do the job. 948 op->destroy ();
1400 */
1401 if (m->in_memory==MAP_IN_MEMORY)
1402 clean_object(op);
1403 remove_ob(op);
1404 free_object(op);
1405 }
1406 }
1407#ifdef MANY_CORES
1408 /* I see periodic cores on metalforge where a map has been swapped out, but apparantly
1409 * an item on that map was not saved - look for that condition and die as appropriate -
1410 * this leaves more of the map data intact for better debugging.
1411 */
1412 for (op=objects; op!=NULL; op=op->next) {
1413 if (!QUERY_FLAG(op, FLAG_REMOVED) && op->map == m) {
1414 LOG(llevDebug,"free_all_objects: object %s still on map after it should have been freed\n", op->name);
1415 abort();
1416 }
1417 } 949 }
1418#endif 950
951 sfree (spaces, size ()), spaces = 0;
952
953 if (buttons)
954 free_objectlinkpt (buttons), buttons = 0;
955}
956
957void
958maptile::clear_header ()
959{
960 name = 0;
961 msg = 0;
962 maplore = 0;
963 shoprace = 0;
964 delete [] shopitems, shopitems = 0;
965
966 for (int i = 0; i < 4; i++)
967 tile_path [i] = 0;
968}
969
970maptile::~maptile ()
971{
972 assert (destroyed ());
973}
974
975void
976maptile::clear_links_to (maptile *m)
977{
978 /* We need to look through all the maps and see if any maps
979 * are pointing at this one for tiling information. Since
980 * tiling can be asymetric, we just can not look to see which
981 * maps this map tiles with and clears those.
982 */
983 for (int i = 0; i < 4; i++)
984 if (tile_map[i] == m)
985 tile_map[i] = 0;
986}
987
988void
989maptile::do_destroy ()
990{
991 attachable::do_destroy ();
992
993 clear ();
1419} 994}
1420 995
1421/* 996/*
1422 * Frees everything allocated by the given mapstructure. 997 * Updates every button on the map (by calling update_button() for them).
1423 * don't free tmpname - our caller is left to do that
1424 */
1425
1426void free_map(mapstruct *m,int flag) {
1427 int i;
1428
1429 if (!m->in_memory) {
1430 LOG(llevError,"Trying to free freed map.\n");
1431 return;
1432 }
1433 if (flag && m->spaces) free_all_objects(m);
1434 if (m->name) FREE_AND_CLEAR(m->name);
1435 if (m->spaces) FREE_AND_CLEAR(m->spaces);
1436 if (m->msg) FREE_AND_CLEAR(m->msg);
1437 if (m->maplore) FREE_AND_CLEAR(m->maplore);
1438 if (m->shopitems) FREE_AND_CLEAR(m->shopitems);
1439 if (m->shoprace) FREE_AND_CLEAR(m->shoprace);
1440 if (m->buttons)
1441 free_objectlinkpt(m->buttons);
1442 m->buttons = NULL;
1443 for (i=0; i<4; i++) {
1444 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]);
1445 m->tile_map[i] = NULL;
1446 }
1447 m->in_memory = MAP_SWAPPED;
1448}
1449
1450/*
1451 * function: vanish mapstruct
1452 * m : pointer to mapstruct, if NULL no action
1453 * this deletes all the data on the map (freeing pointers)
1454 * and then removes this map from the global linked list of maps.
1455 */
1456
1457void delete_map(mapstruct *m) {
1458 mapstruct *tmp, *last;
1459 int i;
1460
1461 if (!m)
1462 return;
1463 if (m->in_memory == MAP_IN_MEMORY) {
1464 /* change to MAP_SAVING, even though we are not,
1465 * so that remove_ob doesn't do as much work.
1466 */ 998 */
1467 m->in_memory = MAP_SAVING; 999void
1468 free_map (m, 1); 1000maptile::update_buttons ()
1001{
1002 for (oblinkpt *obp = buttons; obp; obp = obp->next)
1003 for (objectlink *ol = obp->link; ol; ol = ol->next)
1004 {
1005 if (!ol->ob)
1006 {
1007 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
1008 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
1009 continue;
1010 }
1011
1012 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
1013 {
1014 update_button (ol->ob);
1015 break;
1016 }
1469 } 1017 }
1470 /* move this out of free_map, since tmpname can still be needed if
1471 * the map is swapped out.
1472 */
1473 if (m->tmpname) {
1474 free(m->tmpname);
1475 m->tmpname=NULL;
1476 }
1477 last = NULL;
1478 /* We need to look through all the maps and see if any maps
1479 * are pointing at this one for tiling information. Since
1480 * tiling can be assymetric, we just can not look to see which
1481 * maps this map tiles with and clears those.
1482 */
1483 for (tmp = first_map; tmp != NULL; tmp = tmp->next) {
1484 if (tmp->next == m) last = tmp;
1485
1486 /* This should hopefully get unrolled on a decent compiler */
1487 for (i=0; i<4; i++)
1488 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL;
1489 }
1490
1491 /* If last is null, then this should be the first map in the list */
1492 if (!last) {
1493 if (m == first_map)
1494 first_map = m->next;
1495 else
1496 /* m->path is a static char, so should hopefully still have
1497 * some useful data in it.
1498 */
1499 LOG(llevError,"delete_map: Unable to find map %s in list\n",
1500 m->path);
1501 }
1502 else
1503 last->next = m->next;
1504
1505 free (m);
1506} 1018}
1507
1508
1509
1510/*
1511 * Makes sure the given map is loaded and swapped in.
1512 * name is path name of the map.
1513 * flags meaning:
1514 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1515 * and don't do unique items or the like.
1516 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1517 * dont do any more name translation on it.
1518 *
1519 * Returns a pointer to the given map.
1520 */
1521
1522mapstruct *ready_map_name(const char *name, int flags) {
1523 mapstruct *m;
1524
1525 if (!name)
1526 return (NULL);
1527
1528 /* Have we been at this level before? */
1529 m = has_been_loaded (name);
1530
1531 /* Map is good to go, so just return it */
1532 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) {
1533 return m;
1534 }
1535
1536 /* unique maps always get loaded from their original location, and never
1537 * a temp location. Likewise, if map_flush is set, or we have never loaded
1538 * this map, load it now. I removed the reset checking from here -
1539 * it seems the probability of a player trying to enter a map that should
1540 * reset but hasn't yet is quite low, and removing that makes this function
1541 * a bit cleaner (and players probably shouldn't rely on exact timing for
1542 * resets in any case - if they really care, they should use the 'maps command.
1543 */
1544 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) {
1545
1546 /* first visit or time to reset */
1547 if (m) {
1548 clean_tmp_map(m); /* Doesn't make much difference */
1549 delete_map(m);
1550 }
1551
1552 /* create and load a map */
1553 if (flags & MAP_PLAYER_UNIQUE)
1554 LOG(llevDebug, "Trying to load map %s.\n", name);
1555 else
1556 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name));
1557
1558 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE))))
1559 return (NULL);
1560
1561 fix_auto_apply(m); /* Chests which open as default */
1562
1563 /* If a player unique map, no extra unique object file to load.
1564 * if from the editor, likewise.
1565 */
1566 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)))
1567 load_unique_objects(m);
1568
1569 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) {
1570 m=load_overlay_map(name, m);
1571 if (m==NULL)
1572 return NULL;
1573 }
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 }
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}
1608
1609 1019
1610/* 1020/*
1611 * This routine is supposed to find out the difficulty of the map. 1021 * This routine is supposed to find out the difficulty of the map.
1612 * difficulty does not have a lot to do with character level, 1022 * difficulty does not have a lot to do with character level,
1613 * but does have a lot to do with treasure on the map. 1023 * 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 1025 * 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 1026 * in the map is zero, then use this routine. Maps should really
1617 * have a difficulty set than using this function - human calculation 1027 * have a difficulty set than using this function - human calculation
1618 * is much better than this functions guesswork. 1028 * is much better than this functions guesswork.
1619 */ 1029 */
1620 1030int
1621int calculate_difficulty(mapstruct *m) { 1031maptile::estimate_difficulty () const
1622 object *op; 1032{
1623 archetype *at;
1624 int x, y, i, diff;
1625 long monster_cnt = 0; 1033 long monster_cnt = 0;
1626 double avgexp = 0; 1034 double avgexp = 0;
1627 sint64 total_exp = 0; 1035 sint64 total_exp = 0;
1628 1036
1629 if (MAP_DIFFICULTY (m)) 1037 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1630 { 1038 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 { 1039 {
1639 if(QUERY_FLAG (op, FLAG_MONSTER)) 1040 if (QUERY_FLAG (op, FLAG_MONSTER))
1640 { 1041 {
1641 total_exp += op->stats.exp; 1042 total_exp += op->stats.exp;
1642 monster_cnt++; 1043 monster_cnt++;
1643 } 1044 }
1644 1045
1645 if(QUERY_FLAG (op, FLAG_GENERATOR)) 1046 if (QUERY_FLAG (op, FLAG_GENERATOR))
1646 { 1047 {
1647 total_exp += op->stats.exp; 1048 total_exp += op->stats.exp;
1049
1648 at = type_to_archetype(GENERATE_TYPE (op)); 1050 if (archetype *at = type_to_archetype (GENERATE_TYPE (op)))
1649
1650 if(at != NULL)
1651 total_exp += at->clone.stats.exp * 8; 1051 total_exp += at->clone.stats.exp * 8;
1652 1052
1653 monster_cnt++; 1053 monster_cnt++;
1654 } 1054 }
1655 } 1055 }
1656 1056
1657 avgexp = (double) total_exp / monster_cnt; 1057 avgexp = (double) total_exp / monster_cnt;
1658 1058
1659 for (i = 1; i <= settings.max_level; i++) 1059 for (int i = 1; i <= settings.max_level; i++)
1660 {
1661 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 1060 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; 1061 return i;
1665 }
1666 }
1667 1062
1668 return 1; 1063 return 1;
1669}
1670
1671void clean_tmp_map(mapstruct *m) {
1672 if(m->tmpname == NULL)
1673 return;
1674 if (clean_temporary_map_callback)
1675 clean_temporary_map_callback (m);
1676 (void) unlink(m->tmpname);
1677}
1678
1679void free_all_maps(void)
1680{
1681 int real_maps=0;
1682
1683 while (first_map) {
1684 /* I think some of the callers above before it gets here set this to be
1685 * saving, but we still want to free this data
1686 */
1687 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY;
1688 delete_map(first_map);
1689 real_maps++;
1690 }
1691 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps);
1692} 1064}
1693 1065
1694/* change_map_light() - used to change map light level (darkness) 1066/* change_map_light() - used to change map light level (darkness)
1695 * up or down. Returns true if successful. It should now be 1067 * up or down. Returns true if successful. It should now be
1696 * possible to change a value by more than 1. 1068 * possible to change a value by more than 1.
1697 * Move this from los.c to map.c since this is more related 1069 * Move this from los.c to map.c since this is more related
1698 * to maps than los. 1070 * to maps than los.
1699 * postive values make it darker, negative make it brighter 1071 * postive values make it darker, negative make it brighter
1700 */ 1072 */
1701 1073int
1702int change_map_light(mapstruct *m, int change) { 1074maptile::change_map_light (int change)
1075{
1703 int new_level = m->darkness + change; 1076 int new_level = darkness + change;
1704 1077
1705 /* Nothing to do */ 1078 /* Nothing to do */
1706 if(!change || (new_level <= 0 && m->darkness == 0) || 1079 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
1707 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) {
1708 return 0; 1080 return 0;
1709 }
1710 1081
1711 /* inform all players on the map */ 1082 /* inform all players on the map */
1712 if (change>0) 1083 if (change > 0)
1713 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 1084 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1714 else 1085 else
1715 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 1086 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1716 1087
1717 /* Do extra checking. since m->darkness is a unsigned value, 1088 /* Do extra checking. since darkness is a unsigned value,
1718 * we need to be extra careful about negative values. 1089 * we need to be extra careful about negative values.
1719 * In general, the checks below are only needed if change 1090 * In general, the checks below are only needed if change
1720 * is not +/-1 1091 * is not +/-1
1721 */ 1092 */
1722 if (new_level < 0) m->darkness = 0; 1093 if (new_level < 0)
1723 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS; 1094 darkness = 0;
1095 else if (new_level >= MAX_DARKNESS)
1096 darkness = MAX_DARKNESS;
1097 else
1724 else m->darkness=new_level; 1098 darkness = new_level;
1725 1099
1726 /* All clients need to get re-updated for the change */ 1100 /* All clients need to get re-updated for the change */
1727 update_all_map_los(m); 1101 update_all_map_los (this);
1728 return 1; 1102 return 1;
1729} 1103}
1730
1731 1104
1732/* 1105/*
1733 * This function updates various attributes about a specific space 1106 * This function updates various attributes about a specific space
1734 * on the map (what it looks like, whether it blocks magic, 1107 * on the map (what it looks like, whether it blocks magic,
1735 * has a living creatures, prevents people from passing 1108 * has a living creatures, prevents people from passing
1736 * through, etc) 1109 * through, etc)
1737 */ 1110 */
1738void update_position (mapstruct *m, int x, int y) { 1111void
1112mapspace::update_ ()
1113{
1739 object *tmp, *last = NULL; 1114 object *tmp, *last = 0;
1740 uint8 flags = 0, oldflags, light=0, anywhere=0; 1115 uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
1741 New_Face *top,*floor, *middle; 1116 New_Face *top, *floor, *middle;
1742 object *top_obj, *floor_obj, *middle_obj; 1117 object *top_obj, *floor_obj, *middle_obj;
1743 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1118 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1744 1119
1745 oldflags = GET_MAP_FLAGS(m,x,y);
1746 if (!(oldflags & P_NEED_UPDATE)) {
1747 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n",
1748 m->path, x, y);
1749 return;
1750 }
1751
1752 middle=blank_face; 1120 middle = blank_face;
1753 top=blank_face; 1121 top = blank_face;
1754 floor=blank_face; 1122 floor = blank_face;
1755 1123
1756 middle_obj = NULL; 1124 middle_obj = 0;
1757 top_obj = NULL; 1125 top_obj = 0;
1758 floor_obj = NULL; 1126 floor_obj = 0;
1759 1127
1760 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) { 1128 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1761 1129 {
1762 /* This could be made additive I guess (two lights better than 1130 /* This could be made additive I guess (two lights better than
1763 * one). But if so, it shouldn't be a simple additive - 2 1131 * one). But if so, it shouldn't be a simple additive - 2
1764 * light bulbs do not illuminate twice as far as once since 1132 * light bulbs do not illuminate twice as far as once since
1765 * it is a disapation factor that is squared (or is it cubed?) 1133 * it is a dissapation factor that is cubed.
1766 */ 1134 */
1767 if (tmp->glow_radius > light) light = tmp->glow_radius; 1135 if (tmp->glow_radius > light)
1136 light = tmp->glow_radius;
1768 1137
1769 /* This call is needed in order to update objects the player 1138 /* This call is needed in order to update objects the player
1770 * is standing in that have animations (ie, grass, fire, etc). 1139 * is standing in that have animations (ie, grass, fire, etc).
1771 * However, it also causes the look window to be re-drawn 1140 * However, it also causes the look window to be re-drawn
1772 * 3 times each time the player moves, because many of the 1141 * 3 times each time the player moves, because many of the
1773 * functions the move_player calls eventualy call this. 1142 * functions the move_player calls eventualy call this.
1774 * 1143 *
1775 * Always put the player down for drawing. 1144 * Always put the player down for drawing.
1776 */ 1145 */
1777 if (!tmp->invisible) { 1146 if (!tmp->invisible)
1147 {
1778 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1148 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1779 top = tmp->face; 1149 {
1780 top_obj = tmp; 1150 top = tmp->face;
1781 } 1151 top_obj = tmp;
1152 }
1782 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1153 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1154 {
1783 /* If we got a floor, that means middle and top were below it, 1155 /* If we got a floor, that means middle and top were below it,
1784 * so should not be visible, so we clear them. 1156 * so should not be visible, so we clear them.
1785 */ 1157 */
1786 middle=blank_face; 1158 middle = blank_face;
1787 top=blank_face; 1159 top = blank_face;
1788 floor = tmp->face; 1160 floor = tmp->face;
1789 floor_obj = tmp; 1161 floor_obj = tmp;
1790 } 1162 }
1791 /* Flag anywhere have high priority */ 1163 /* Flag anywhere have high priority */
1792 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 1164 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1793 middle = tmp->face; 1165 {
1166 middle = tmp->face;
1794 1167
1795 middle_obj = tmp; 1168 middle_obj = tmp;
1796 anywhere =1; 1169 anywhere = 1;
1797 } 1170 }
1798 /* Find the highest visible face around. If equal 1171 /* Find the highest visible face around. If equal
1799 * visibilities, we still want the one nearer to the 1172 * visibilities, we still want the one nearer to the
1800 * top 1173 * top
1801 */ 1174 */
1802 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) { 1175 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere))
1176 {
1803 middle = tmp->face; 1177 middle = tmp->face;
1804 middle_obj = tmp; 1178 middle_obj = tmp;
1805 } 1179 }
1806 } 1180 }
1181
1807 if (tmp==tmp->above) { 1182 if (tmp == tmp->above)
1183 {
1808 LOG(llevError, "Error in structure of map\n"); 1184 LOG (llevError, "Error in structure of map\n");
1809 exit (-1); 1185 exit (-1);
1810 }
1811 1186 }
1187
1812 move_slow |= tmp->move_slow; 1188 move_slow |= tmp->move_slow;
1813 move_block |= tmp->move_block; 1189 move_block |= tmp->move_block;
1814 move_on |= tmp->move_on; 1190 move_on |= tmp->move_on;
1815 move_off |= tmp->move_off; 1191 move_off |= tmp->move_off;
1816 move_allow |= tmp->move_allow; 1192 move_allow |= tmp->move_allow;
1817 1193
1818 if (QUERY_FLAG(tmp,FLAG_ALIVE)) 1194 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1819 flags |= P_IS_ALIVE; 1195 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1820 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC)) 1196 if (tmp->type == PLAYER) flags |= P_PLAYER;
1821 flags |= P_NO_MAGIC; 1197 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1822 if (QUERY_FLAG(tmp,FLAG_DAMNED)) 1198 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1823 flags |= P_NO_CLERIC; 1199 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1824
1825 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW))
1826 flags |= P_BLOCKSVIEW;
1827 } /* for stack of objects */
1828
1829 /* we don't want to rely on this function to have accurate flags, but
1830 * since we're already doing the work, we calculate them here.
1831 * if they don't match, logic is broken someplace.
1832 */
1833 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) &&
1834 (!(oldflags & P_NO_ERROR))) {
1835 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1836 m->path, x, y,
1837 (oldflags & ~P_NEED_UPDATE), flags);
1838 } 1200 }
1839 SET_MAP_FLAGS(m, x, y, flags);
1840 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow);
1841 SET_MAP_MOVE_ON(m, x, y, move_on);
1842 SET_MAP_MOVE_OFF(m, x, y, move_off);
1843 SET_MAP_MOVE_SLOW(m, x, y, move_slow);
1844 1201
1202 this->light = light;
1203 this->flags_ = flags;
1204 this->move_block = move_block & ~move_allow;
1205 this->move_on = move_on;
1206 this->move_off = move_off;
1207 this->move_slow = move_slow;
1208
1845 /* At this point, we have a floor face (if there is a floor), 1209 /* At this point, we have a floor face (if there is a floor),
1846 * and the floor is set - we are not going to touch it at 1210 * and the floor is set - we are not going to touch it at
1847 * this point. 1211 * this point.
1848 * middle contains the highest visibility face. 1212 * middle contains the highest visibility face.
1849 * top contains a player/monster face, if there is one. 1213 * top contains a player/monster face, if there is one.
1850 * 1214 *
1851 * We now need to fill in top.face and/or middle.face. 1215 * We now need to fill in top.face and/or middle.face.
1852 */ 1216 */
1853 1217
1854 /* If the top face also happens to be high visibility, re-do our 1218 /* If the top face also happens to be high visibility, re-do our
1855 * middle face. This should not happen, as we already have the 1219 * middle face. This should not happen, as we already have the
1856 * else statement above so middle should not get set. OTOH, it 1220 * else statement above so middle should not get set. OTOH, it
1857 * may be possible for the faces to match but be different objects. 1221 * may be possible for the faces to match but be different objects.
1858 */ 1222 */
1859 if (top == middle) middle=blank_face; 1223 if (top == middle)
1224 middle = blank_face;
1860 1225
1861 /* There are three posibilities at this point: 1226 /* There are three posibilities at this point:
1862 * 1) top face is set, need middle to be set. 1227 * 1) top face is set, need middle to be set.
1863 * 2) middle is set, need to set top. 1228 * 2) middle is set, need to set top.
1864 * 3) neither middle or top is set - need to set both. 1229 * 3) neither middle or top is set - need to set both.
1865 */ 1230 */
1866 1231
1867 for (tmp=last; tmp; tmp=tmp->below) { 1232 for (tmp = last; tmp; tmp = tmp->below)
1233 {
1868 /* Once we get to a floor, stop, since we already have a floor object */ 1234 /* Once we get to a floor, stop, since we already have a floor object */
1869 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break; 1235 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1236 break;
1870 1237
1871 /* If two top faces are already set, quit processing */ 1238 /* If two top faces are already set, quit processing */
1872 if ((top != blank_face) && (middle != blank_face)) break; 1239 if ((top != blank_face) && (middle != blank_face))
1240 break;
1873 1241
1874 /* Only show visible faces, unless its the editor - show all */ 1242 /* Only show visible faces */
1875 if (!tmp->invisible || editor) { 1243 if (!tmp->invisible)
1244 {
1876 /* Fill in top if needed */ 1245 /* Fill in top if needed */
1877 if (top == blank_face) { 1246 if (top == blank_face)
1878 top = tmp->face; 1247 {
1879 top_obj = tmp; 1248 top = tmp->face;
1880 if (top == middle) middle=blank_face; 1249 top_obj = tmp;
1881 } else { 1250 if (top == middle)
1251 middle = blank_face;
1252 }
1253 else
1254 {
1882 /* top is already set - we should only get here if 1255 /* top is already set - we should only get here if
1883 * middle is not set 1256 * middle is not set
1884 * 1257 *
1885 * Set the middle face and break out, since there is nothing 1258 * Set the middle face and break out, since there is nothing
1886 * more to fill in. We don't check visiblity here, since 1259 * more to fill in. We don't check visiblity here, since
1887 * 1260 *
1888 */ 1261 */
1889 if (tmp->face != top ) { 1262 if (tmp->face != top)
1890 middle = tmp->face; 1263 {
1891 middle_obj = tmp; 1264 middle = tmp->face;
1892 break; 1265 middle_obj = tmp;
1893 } 1266 break;
1267 }
1268 }
1269 }
1894 } 1270 }
1895 } 1271
1896 } 1272 if (middle == floor)
1897 if (middle == floor) middle = blank_face;
1898 if (top == middle) middle = blank_face;
1899 SET_MAP_FACE(m,x,y,top,0);
1900 if(top != blank_face)
1901 SET_MAP_FACE_OBJ(m,x,y,top_obj,0);
1902 else
1903 SET_MAP_FACE_OBJ(m,x,y,NULL,0);
1904 SET_MAP_FACE(m,x,y,middle,1);
1905 if(middle != blank_face) 1273 middle = blank_face;
1906 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1);
1907 else
1908 SET_MAP_FACE_OBJ(m,x,y,NULL,1);
1909 SET_MAP_FACE(m,x,y,floor,2);
1910 if(floor != blank_face)
1911 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2);
1912 else
1913 SET_MAP_FACE_OBJ(m,x,y,NULL,2);
1914 SET_MAP_LIGHT(m,x,y,light);
1915}
1916 1274
1275 if (top == middle)
1276 middle = blank_face;
1917 1277
1918void set_map_reset_time(mapstruct *map) { 1278 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
1919 int timeout; 1279 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
1920 1280 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
1921 timeout = MAP_RESET_TIMEOUT(map);
1922 if (timeout <= 0)
1923 timeout = MAP_DEFAULTRESET;
1924 if (timeout >= MAP_MAXRESET)
1925 timeout = MAP_MAXRESET;
1926 MAP_WHEN_RESET(map) = seconds()+timeout;
1927} 1281}
1928 1282
1929/* this updates the orig_map->tile_map[tile_num] value after loading 1283/* this updates the orig_map->tile_map[tile_num] value after finding
1930 * the map. It also takes care of linking back the freshly loaded 1284 * the map. It also takes care of linking back the freshly found
1931 * maps tile_map values if it tiles back to this one. It returns 1285 * maps tile_map values if it tiles back to this one. It returns
1932 * the value of orig_map->tile_map[tile_num]. It really only does this 1286 * the value of orig_map->tile_map[tile_num].
1933 * so that it is easier for calling functions to verify success.
1934 */ 1287 */
1935 1288static inline maptile *
1936static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) 1289find_and_link (maptile *orig_map, int tile_num)
1937{ 1290{
1291 maptile *mp = orig_map->tile_map [tile_num];
1292
1293 if (!mp)
1294 {
1295 mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map);
1296
1297 if (!mp)
1298 {
1299 // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine
1300 LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n",
1301 &orig_map->tile_path[tile_num], &orig_map->path);
1302 mp = new maptile (1, 1);
1303 mp->alloc ();
1304 mp->in_memory = MAP_IN_MEMORY;
1305 }
1306 }
1307
1938 int dest_tile = (tile_num +2) % 4; 1308 int dest_tile = (tile_num + 2) % 4;
1939 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]);
1940 1309
1941 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 1310 orig_map->tile_map [tile_num] = mp;
1942 1311
1943 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1312 // optimisation: back-link map to origin map if euclidean
1944 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 1313 //TODO: non-euclidean maps MUST GO
1945 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path)) 1314 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path)
1946 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 1315 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1947 1316
1948 return orig_map->tile_map[tile_num]; 1317 return mp;
1318}
1319
1320static inline void
1321load_and_link (maptile *orig_map, int tile_num)
1322{
1323 find_and_link (orig_map, tile_num)->load_sync ();
1949} 1324}
1950 1325
1951/* this returns TRUE if the coordinates (x,y) are out of 1326/* this returns TRUE if the coordinates (x,y) are out of
1952 * map m. This function also takes into account any 1327 * map m. This function also takes into account any
1953 * tiling considerations, loading adjacant maps as needed. 1328 * tiling considerations, loading adjacant maps as needed.
1954 * This is the function should always be used when it 1329 * This is the function should always be used when it
1955 * necessary to check for valid coordinates. 1330 * necessary to check for valid coordinates.
1956 * This function will recursively call itself for the 1331 * This function will recursively call itself for the
1957 * tiled maps. 1332 * tiled maps.
1958 * 1333 */
1959 * 1334int
1960 */
1961int out_of_map(mapstruct *m, int x, int y) 1335out_of_map (maptile *m, int x, int y)
1962{ 1336{
1963
1964 /* If we get passed a null map, this is obviously the 1337 /* If we get passed a null map, this is obviously the
1965 * case. This generally shouldn't happen, but if the 1338 * case. This generally shouldn't happen, but if the
1966 * map loads fail below, it could happen. 1339 * map loads fail below, it could happen.
1967 */ 1340 */
1968 if (!m) return 0; 1341 if (!m)
1969
1970 if (x<0) {
1971 if (!m->tile_path[3]) return 1;
1972 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1973 load_and_link_tiled_map(m, 3);
1974 }
1975 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1976 }
1977 if (x>=MAP_WIDTH(m)) {
1978 if (!m->tile_path[1]) return 1;
1979 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1980 load_and_link_tiled_map(m, 1);
1981 }
1982 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1983 }
1984 if (y<0) {
1985 if (!m->tile_path[0]) return 1;
1986 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1987 load_and_link_tiled_map(m, 0);
1988 }
1989 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1990 }
1991 if (y>=MAP_HEIGHT(m)) {
1992 if (!m->tile_path[2]) return 1;
1993 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
1994 load_and_link_tiled_map(m, 2);
1995 }
1996 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
1997 }
1998
1999 /* Simple case - coordinates are within this local
2000 * map.
2001 */
2002 return 0; 1342 return 0;
1343
1344 if (x < 0)
1345 {
1346 if (!m->tile_path[3])
1347 return 1;
1348
1349 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1350 find_and_link (m, 3);
1351
1352 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1353 }
1354
1355 if (x >= m->width)
1356 {
1357 if (!m->tile_path[1])
1358 return 1;
1359
1360 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
1361 find_and_link (m, 1);
1362
1363 return out_of_map (m->tile_map[1], x - m->width, y);
1364 }
1365
1366 if (y < 0)
1367 {
1368 if (!m->tile_path[0])
1369 return 1;
1370
1371 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
1372 find_and_link (m, 0);
1373
1374 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1375 }
1376
1377 if (y >= m->height)
1378 {
1379 if (!m->tile_path[2])
1380 return 1;
1381
1382 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
1383 find_and_link (m, 2);
1384
1385 return out_of_map (m->tile_map[2], x, y - m->height);
1386 }
1387
1388 /* Simple case - coordinates are within this local
1389 * map.
1390 */
1391 return 0;
2003} 1392}
2004 1393
2005/* This is basically the same as out_of_map above, but 1394/* This is basically the same as out_of_map above, but
2006 * instead we return NULL if no map is valid (coordinates 1395 * instead we return NULL if no map is valid (coordinates
2007 * out of bounds and no tiled map), otherwise it returns 1396 * out of bounds and no tiled map), otherwise it returns
2008 * the map as that the coordinates are really on, and 1397 * the map as that the coordinates are really on, and
2009 * updates x and y to be the localized coordinates. 1398 * updates x and y to be the localised coordinates.
2010 * Using this is more efficient of calling out_of_map 1399 * Using this is more efficient of calling out_of_map
2011 * and then figuring out what the real map is 1400 * and then figuring out what the real map is
2012 */ 1401 */
2013mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 1402maptile *
1403maptile::xy_find (sint16 &x, sint16 &y)
2014{ 1404{
2015 1405 if (x < 0)
2016 if (*x<0) {
2017 if (!m->tile_path[3]) return NULL;
2018 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2019 load_and_link_tiled_map(m, 3);
2020
2021 *x += MAP_WIDTH(m->tile_map[3]);
2022 return (get_map_from_coord(m->tile_map[3], x, y));
2023 } 1406 {
2024 if (*x>=MAP_WIDTH(m)) { 1407 if (!tile_path[3])
2025 if (!m->tile_path[1]) return NULL; 1408 return 0;
2026 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2027 load_and_link_tiled_map(m, 1);
2028 1409
2029 *x -= MAP_WIDTH(m); 1410 find_and_link (this, 3);
2030 return (get_map_from_coord(m->tile_map[1], x, y)); 1411 x += tile_map[3]->width;
1412 return tile_map[3]->xy_find (x, y);
1413 }
1414
1415 if (x >= width)
2031 } 1416 {
2032 if (*y<0) { 1417 if (!tile_path[1])
2033 if (!m->tile_path[0]) return NULL; 1418 return 0;
2034 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2035 load_and_link_tiled_map(m, 0);
2036 1419
2037 *y += MAP_HEIGHT(m->tile_map[0]); 1420 find_and_link (this, 1);
2038 return (get_map_from_coord(m->tile_map[0], x, y)); 1421 x -= width;
1422 return tile_map[1]->xy_find (x, y);
1423 }
1424
1425 if (y < 0)
2039 } 1426 {
2040 if (*y>=MAP_HEIGHT(m)) { 1427 if (!tile_path[0])
2041 if (!m->tile_path[2]) return NULL; 1428 return 0;
2042 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2043 load_and_link_tiled_map(m, 2);
2044 1429
2045 *y -= MAP_HEIGHT(m); 1430 find_and_link (this, 0);
2046 return (get_map_from_coord(m->tile_map[2], x, y)); 1431 y += tile_map[0]->height;
1432 return tile_map[0]->xy_find (x, y);
1433 }
1434
1435 if (y >= height)
2047 } 1436 {
1437 if (!tile_path[2])
1438 return 0;
2048 1439
1440 find_and_link (this, 2);
1441 y -= height;
1442 return tile_map[2]->xy_find (x, y);
1443 }
1444
2049 /* Simple case - coordinates are within this local 1445 /* Simple case - coordinates are within this local
2050 * map. 1446 * map.
2051 */ 1447 */
2052 1448 return this;
2053 return m;
2054} 1449}
2055 1450
2056/** 1451/**
2057 * Return whether map2 is adjacent to map1. If so, store the distance from 1452 * Return whether map2 is adjacent to map1. If so, store the distance from
2058 * map1 to map2 in dx/dy. 1453 * map1 to map2 in dx/dy.
2059 */ 1454 */
1455static int
2060static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 1456adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1457{
2061 if (!map1 || !map2) 1458 if (!map1 || !map2)
2062 return 0; 1459 return 0;
2063 1460
1461 //TODO: this doesn't actually check corretcly when intermediate maps are not loaded
1462 //fix: compare paths instead (this is likely faster, too!)
2064 if (map1 == map2) { 1463 if (map1 == map2)
1464 {
2065 *dx = 0; 1465 *dx = 0;
2066 *dy = 0; 1466 *dy = 0;
2067 1467 }
2068 } else if (map1->tile_map[0] == map2) { /* up */ 1468 else if (map1->tile_map[0] == map2)
1469 { /* up */
2069 *dx = 0; 1470 *dx = 0;
2070 *dy = -MAP_HEIGHT(map2); 1471 *dy = -map2->height;
1472 }
2071 } else if (map1->tile_map[1] == map2) { /* right */ 1473 else if (map1->tile_map[1] == map2)
2072 *dx = MAP_WIDTH(map1); 1474 { /* right */
1475 *dx = map1->width;
2073 *dy = 0; 1476 *dy = 0;
1477 }
2074 } else if (map1->tile_map[2] == map2) { /* down */ 1478 else if (map1->tile_map[2] == map2)
1479 { /* down */
2075 *dx = 0; 1480 *dx = 0;
2076 *dy = MAP_HEIGHT(map1); 1481 *dy = map1->height;
1482 }
2077 } else if (map1->tile_map[3] == map2) { /* left */ 1483 else if (map1->tile_map[3] == map2)
2078 *dx = -MAP_WIDTH(map2); 1484 { /* left */
1485 *dx = -map2->width;
2079 *dy = 0; 1486 *dy = 0;
2080 1487 }
2081 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ 1488 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
1489 { /* up right */
2082 *dx = MAP_WIDTH(map1->tile_map[0]); 1490 *dx = map1->tile_map[0]->width;
2083 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1491 *dy = -map1->tile_map[0]->height;
1492 }
2084 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ 1493 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2085 *dx = -MAP_WIDTH(map2); 1494 { /* up left */
2086 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1495 *dx = -map2->width;
1496 *dy = -map1->tile_map[0]->height;
1497 }
2087 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ 1498 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2088 *dx = MAP_WIDTH(map1); 1499 { /* right up */
2089 *dy = -MAP_HEIGHT(map2); 1500 *dx = map1->width;
1501 *dy = -map2->height;
1502 }
2090 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ 1503 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2091 *dx = MAP_WIDTH(map1); 1504 { /* right down */
2092 *dy = MAP_HEIGHT(map1->tile_map[1]); 1505 *dx = map1->width;
1506 *dy = map1->tile_map[1]->height;
1507 }
2093 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ 1508 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
1509 { /* down right */
2094 *dx = MAP_WIDTH(map1->tile_map[2]); 1510 *dx = map1->tile_map[2]->width;
2095 *dy = MAP_HEIGHT(map1); 1511 *dy = map1->height;
1512 }
2096 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ 1513 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2097 *dx = -MAP_WIDTH(map2); 1514 { /* down left */
2098 *dy = MAP_HEIGHT(map1); 1515 *dx = -map2->width;
1516 *dy = map1->height;
1517 }
2099 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ 1518 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
1519 { /* left up */
2100 *dx = -MAP_WIDTH(map1->tile_map[3]); 1520 *dx = -map1->tile_map[3]->width;
2101 *dy = -MAP_HEIGHT(map2); 1521 *dy = -map2->height;
1522 }
2102 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ 1523 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
1524 { /* left down */
2103 *dx = -MAP_WIDTH(map1->tile_map[3]); 1525 *dx = -map1->tile_map[3]->width;
2104 *dy = MAP_HEIGHT(map1->tile_map[3]); 1526 *dy = map1->tile_map[3]->height;
2105
2106 } else { /* not "adjacent" enough */
2107 return 0;
2108 } 1527 }
2109 1528 else
2110 return 1; 1529 return 0;
1530
1531 return 1;
1532}
1533
1534maptile *
1535maptile::xy_load (sint16 &x, sint16 &y)
1536{
1537 maptile *map = xy_find (x, y);
1538
1539 if (map)
1540 map->load_sync ();
1541
1542 return map;
1543}
1544
1545maptile *
1546get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1547{
1548 return m->xy_load (*x, *y);
2111} 1549}
2112 1550
2113/* From map.c 1551/* From map.c
2114 * This is used by get_player to determine where the other 1552 * This is used by get_player to determine where the other
2115 * creature is. get_rangevector takes into account map tiling, 1553 * creature is. get_rangevector takes into account map tiling,
… …
2128 * be unexpected 1566 * be unexpected
2129 * 1567 *
2130 * currently, the only flag supported (0x1) is don't translate for 1568 * currently, the only flag supported (0x1) is don't translate for
2131 * closest body part of 'op1' 1569 * closest body part of 'op1'
2132 */ 1570 */
2133 1571void
2134void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 1572get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
1573{
2135 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 1574 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1575 {
2136 /* be conservative and fill in _some_ data */ 1576 /* be conservative and fill in _some_ data */
2137 retval->distance = 100000; 1577 retval->distance = 100000;
2138 retval->distance_x = 32767; 1578 retval->distance_x = 32767;
2139 retval->distance_y = 32767; 1579 retval->distance_y = 32767;
2140 retval->direction = 0; 1580 retval->direction = 0;
2141 retval->part = 0; 1581 retval->part = 0;
2142 } else { 1582 }
1583 else
1584 {
2143 object *best; 1585 object *best;
2144 1586
2145 retval->distance_x += op2->x-op1->x; 1587 retval->distance_x += op2->x - op1->x;
2146 retval->distance_y += op2->y-op1->y; 1588 retval->distance_y += op2->y - op1->y;
2147 1589
2148 best = op1; 1590 best = op1;
2149 /* If this is multipart, find the closest part now */ 1591 /* If this is multipart, find the closest part now */
2150 if (!(flags&0x1) && op1->more) { 1592 if (!(flags & 0x1) && op1->more)
1593 {
2151 object *tmp; 1594 object *tmp;
2152 int best_distance = retval->distance_x*retval->distance_x+ 1595 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2153 retval->distance_y*retval->distance_y, tmpi;
2154 1596
2155 /* we just take the offset of the piece to head to figure 1597 /* we just take the offset of the piece to head to figure
2156 * distance instead of doing all that work above again 1598 * distance instead of doing all that work above again
2157 * since the distance fields we set above are positive in the 1599 * since the distance fields we set above are positive in the
2158 * same axis as is used for multipart objects, the simply arithmetic 1600 * same axis as is used for multipart objects, the simply arithmetic
2159 * below works. 1601 * below works.
2160 */ 1602 */
2161 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 1603 for (tmp = op1->more; tmp != NULL; tmp = tmp->more)
1604 {
2162 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 1605 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2163 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 1606 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2164 if (tmpi < best_distance) { 1607 if (tmpi < best_distance)
1608 {
2165 best_distance = tmpi; 1609 best_distance = tmpi;
2166 best = tmp; 1610 best = tmp;
2167 } 1611 }
2168 } 1612 }
1613
2169 if (best != op1) { 1614 if (best != op1)
1615 {
2170 retval->distance_x += op1->x-best->x; 1616 retval->distance_x += op1->x - best->x;
2171 retval->distance_y += op1->y-best->y; 1617 retval->distance_y += op1->y - best->y;
2172 } 1618 }
2173 } 1619 }
1620
2174 retval->part = best; 1621 retval->part = best;
2175 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1622 retval->distance = idistance (retval->distance_x, retval->distance_y);
2176 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1623 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2177 } 1624 }
2178} 1625}
2179 1626
2180/* this is basically the same as get_rangevector above, but instead of 1627/* this is basically the same as get_rangevector above, but instead of
2181 * the first parameter being an object, it instead is the map 1628 * the first parameter being an object, it instead is the map
… …
2186 * be more consistant with the above function and also in case they are needed 1633 * be more consistant with the above function and also in case they are needed
2187 * for something in the future. Also, since no object is pasted, the best 1634 * for something in the future. Also, since no object is pasted, the best
2188 * field of the rv_vector is set to NULL. 1635 * field of the rv_vector is set to NULL.
2189 */ 1636 */
2190 1637
1638void
2191void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 1639get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags)
1640{
2192 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 1641 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1642 {
2193 /* be conservative and fill in _some_ data */ 1643 /* be conservative and fill in _some_ data */
2194 retval->distance = 100000; 1644 retval->distance = 100000;
2195 retval->distance_x = 32767; 1645 retval->distance_x = 32767;
2196 retval->distance_y = 32767; 1646 retval->distance_y = 32767;
2197 retval->direction = 0; 1647 retval->direction = 0;
2198 retval->part = 0; 1648 retval->part = 0;
2199 } else { 1649 }
1650 else
1651 {
2200 retval->distance_x += op2->x-x; 1652 retval->distance_x += op2->x - x;
2201 retval->distance_y += op2->y-y; 1653 retval->distance_y += op2->y - y;
2202 1654
2203 retval->part = NULL; 1655 retval->part = NULL;
2204 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1656 retval->distance = idistance (retval->distance_x, retval->distance_y);
2205 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1657 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2206 } 1658 }
2207} 1659}
2208 1660
2209/* Returns true of op1 and op2 are effectively on the same map 1661/* Returns true of op1 and op2 are effectively on the same map
2210 * (as related to map tiling). Note that this looks for a path from 1662 * (as related to map tiling). Note that this looks for a path from
2211 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1663 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2212 * to op1, this will still return false. 1664 * to op1, this will still return false.
2213 * Note we only look one map out to keep the processing simple 1665 * Note we only look one map out to keep the processing simple
2214 * and efficient. This could probably be a macro. 1666 * and efficient. This could probably be a macro.
2215 * MSW 2001-08-05 1667 * MSW 2001-08-05
2216 */ 1668 */
1669int
2217int on_same_map(const object *op1, const object *op2) { 1670on_same_map (const object *op1, const object *op2)
1671{
2218 int dx, dy; 1672 int dx, dy;
2219 1673
2220 return adjacent_map(op1->map, op2->map, &dx, &dy); 1674 return adjacent_map (op1->map, op2->map, &dx, &dy);
2221} 1675}
1676
1677object *
1678maptile::insert (object *op, int x, int y, object *originator, int flags)
1679{
1680 if (!op->flag [FLAG_REMOVED])
1681 op->remove ();
1682
1683 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1684}
1685

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