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Comparing deliantra/server/common/map.C (file contents):
Revision 1.21 by root, Sun Sep 3 22:45:55 2006 UTC vs.
Revision 1.36 by root, Mon Dec 11 02:41:25 2006 UTC

1/*
2 * static char *rcsid_map_c =
3 * "$Id: map.C,v 1.21 2006/09/03 22:45:55 root Exp $";
4 */
5
6/* 1/*
7 CrossFire, A Multiplayer game for X-windows 2 CrossFire, A Multiplayer game for X-windows
8 3
9 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 4 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 5 Copyright (C) 1992 Frank Tore Johansen
… …
21 16
22 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 20
26 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
27*/ 22*/
28 23
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 */ 29#ifndef WIN32 /* ---win32 exclude header */
35#include <unistd.h> 30# include <unistd.h>
36#endif /* win32 */ 31#endif /* win32 */
37 32
38#include "path.h" 33#include "path.h"
39 34
40 35
41extern int nrofallocobjects,nroffreeobjects;
42
43/* 36/*
44 * Returns the mapstruct which has a name matching the given argument. 37 * Returns the maptile which has a name matching the given argument.
45 * return NULL if no match is found. 38 * return NULL if no match is found.
46 */ 39 */
47 40
41maptile *
48mapstruct *has_been_loaded (const char *name) { 42has_been_loaded (const char *name)
49 mapstruct *map; 43{
44 maptile *map;
50 45
51 if (!name || !*name) 46 if (!name || !*name)
52 return 0; 47 return 0;
53 for (map = first_map; map; map = map->next) 48 for (map = first_map; map; map = map->next)
54 if (!strcmp (name, map->path)) 49 if (!strcmp (name, map->path))
55 break; 50 break;
56 return (map); 51 return (map);
57} 52}
58 53
59/* 54/*
60 * This makes a path absolute outside the world of Crossfire. 55 * This makes a path absolute outside the world of Crossfire.
61 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 56 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
62 * and returns the pointer to a static array containing the result. 57 * and returns the pointer to a static array containing the result.
63 * it really should be called create_mapname 58 * it really should be called create_mapname
64 */ 59 */
65 60
61const char *
66const char *create_pathname (const char *name) { 62create_pathname (const char *name)
63{
67 static char buf[MAX_BUF]; 64 static char buf[MAX_BUF];
68 65
69 /* Why? having extra / doesn't confuse unix anyplace? Dependancies 66 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
70 * someplace else in the code? msw 2-17-97 67 * someplace else in the code? msw 2-17-97
71 */ 68 */
72 if (*name == '/') 69 if (*name == '/')
73 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name); 70 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
74 else 71 else
75 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); 72 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);
76 return (buf); 73 return (buf);
77} 74}
78 75
79/* 76/*
80 * same as create_pathname, but for the overlay maps. 77 * same as create_pathname, but for the overlay maps.
81 */ 78 */
82 79
80const char *
83const char *create_overlay_pathname (const char *name) { 81create_overlay_pathname (const char *name)
82{
84 static char buf[MAX_BUF]; 83 static char buf[MAX_BUF];
85 84
86 /* Why? having extra / doesn't confuse unix anyplace? Dependancies 85 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
87 * someplace else in the code? msw 2-17-97 86 * someplace else in the code? msw 2-17-97
88 */ 87 */
89 if (*name == '/') 88 if (*name == '/')
90 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name); 89 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
91 else 90 else
92 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name); 91 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
93 return (buf); 92 return (buf);
94} 93}
95 94
96/* 95/*
97 * same as create_pathname, but for the template maps. 96 * same as create_pathname, but for the template maps.
98 */ 97 */
99 98
99const char *
100const char *create_template_pathname (const char *name) { 100create_template_pathname (const char *name)
101{
101 static char buf[MAX_BUF]; 102 static char buf[MAX_BUF];
102 103
103 /* Why? having extra / doesn't confuse unix anyplace? Dependancies 104 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
104 * someplace else in the code? msw 2-17-97 105 * someplace else in the code? msw 2-17-97
105 */ 106 */
106 if (*name == '/') 107 if (*name == '/')
107 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name); 108 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
108 else 109 else
109 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name); 110 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
110 return (buf); 111 return (buf);
111} 112}
112 113
113/* 114/*
114 * This makes absolute path to the itemfile where unique objects 115 * This makes absolute path to the itemfile where unique objects
115 * will be saved. Converts '/' to '@'. I think it's essier maintain 116 * will be saved. Converts '/' to '@'. I think it's essier maintain
116 * files than full directory structure, but if this is problem it can 117 * files than full directory structure, but if this is problem it can
117 * be changed. 118 * be changed.
118 */ 119 */
120static const char *
119static const char *create_items_path (const char *s) { 121create_items_path (const char *s)
122{
120 static char buf[MAX_BUF]; 123 static char buf[MAX_BUF];
121 char *t; 124 char *t;
122 125
126 if (*s == '/')
127 s++;
128
129 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
130
131 for (t = buf + strlen (buf); *s; s++, t++)
123 if (*s == '/') 132 if (*s == '/')
124 s++;
125
126 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
127
128 for (t=buf+strlen(buf); *s; s++,t++)
129 if (*s == '/')
130 *t = '@'; 133 *t = '@';
131 else 134 else
132 *t = *s; 135 *t = *s;
133 *t = 0; 136 *t = 0;
134 return (buf); 137 return (buf);
135} 138}
136 139
137 140
138/* 141/*
139 * This function checks if a file with the given path exists. 142 * This function checks if a file with the given path exists.
… …
149 * when the editor goes away, the call to stat should probably be 152 * when the editor goes away, the call to stat should probably be
150 * replaced by an access instead (similar to the windows one, but 153 * replaced by an access instead (similar to the windows one, but
151 * that seems to be missing the prepend_dir processing 154 * that seems to be missing the prepend_dir processing
152 */ 155 */
153 156
157int
154int check_path (const char *name, int prepend_dir) 158check_path (const char *name, int prepend_dir)
155{ 159{
156 char buf[MAX_BUF]; 160 char buf[MAX_BUF];
161
157#ifndef WIN32 162#ifndef WIN32
158 char *endbuf; 163 char *endbuf;
159 struct stat statbuf; 164 struct stat statbuf;
160 int mode = 0, i; 165 int mode = 0;
161#endif 166#endif
162 167
163 if (prepend_dir) 168 if (prepend_dir)
164 strcpy (buf, create_pathname(name)); 169 strcpy (buf, create_pathname (name));
165 else 170 else
166 strcpy(buf, name); 171 strcpy (buf, name);
167#ifdef WIN32 /* ***win32: check this sucker in windows style. */ 172#ifdef WIN32 /* ***win32: check this sucker in windows style. */
168 return(_access(buf,0)); 173 return (_access (buf, 0));
169#else 174#else
170 175
171 /* old method (strchr(buf, '\0')) seemd very odd to me - 176 /* old method (strchr(buf, '\0')) seemd very odd to me -
172 * this method should be equivalant and is clearer. 177 * this method should be equivalant and is clearer.
173 * Can not use strcat because we need to cycle through 178 * Can not use strcat because we need to cycle through
174 * all the names. 179 * all the names.
175 */ 180 */
176 endbuf = buf + strlen(buf); 181 endbuf = buf + strlen (buf);
177 182
178 if (stat (buf, &statbuf)) 183 if (stat (buf, &statbuf))
179 return -1; 184 return -1;
180 if (!S_ISREG (statbuf.st_mode)) 185 if (!S_ISREG (statbuf.st_mode))
181 return (-1); 186 return (-1);
182 187
183 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) || 188 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
184 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) || 189 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
185 (statbuf.st_mode & S_IROTH))
186 mode |= 4; 190 mode |= 4;
187 191
188 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) || 192 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
189 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) || 193 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
190 (statbuf.st_mode & S_IWOTH))
191 mode |= 2; 194 mode |= 2;
192 195
193 return (mode); 196 return (mode);
194#endif 197#endif
195} 198}
196 199
197/* 200/*
198 * Prints out debug-information about a map. 201 * Prints out debug-information about a map.
199 * Dumping these at llevError doesn't seem right, but is 202 * Dumping these at llevError doesn't seem right, but is
200 * necessary to make sure the information is in fact logged. 203 * necessary to make sure the information is in fact logged.
201 */ 204 */
202 205
203void dump_map(const mapstruct *m) { 206void
207dump_map (const maptile *m)
208{
204 LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory); 209 LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
205 LOG(llevError,"Size: %dx%d Start: %d,%d\n", 210 LOG (llevError, "Size: %dx%d Start: %d,%d\n", MAP_WIDTH (m), MAP_HEIGHT (m), MAP_ENTER_X (m), MAP_ENTER_Y (m));
206 MAP_WIDTH(m), MAP_HEIGHT(m),
207 MAP_ENTER_X(m), MAP_ENTER_Y(m));
208 211
209 if(m->msg!=NULL) 212 if (m->msg != NULL)
210 LOG(llevError,"Message:\n%s",m->msg); 213 LOG (llevError, "Message:\n%s", m->msg);
211 214
212 if(m->maplore!=NULL) 215 if (m->maplore != NULL)
213 LOG(llevError,"Lore:\n%s",m->maplore); 216 LOG (llevError, "Lore:\n%s", m->maplore);
214 217
215 if(m->tmpname!=NULL) 218 if (m->tmpname != NULL)
216 LOG(llevError,"Tmpname: %s\n",m->tmpname); 219 LOG (llevError, "Tmpname: %s\n", m->tmpname);
217 220
218 LOG(llevError,"Difficulty: %d\n",m->difficulty); 221 LOG (llevError, "Difficulty: %d\n", m->difficulty);
219 LOG(llevError,"Darkness: %d\n",m->darkness); 222 LOG (llevError, "Darkness: %d\n", m->darkness);
220} 223}
221 224
222/* 225/*
223 * Prints out debug-information about all maps. 226 * Prints out debug-information about all maps.
224 * This basically just goes through all the maps and calls 227 * This basically just goes through all the maps and calls
225 * dump_map on each one. 228 * dump_map on each one.
226 */ 229 */
227 230
231void
228void dump_all_maps(void) { 232dump_all_maps (void)
229 mapstruct *m; 233{
234 maptile *m;
235
230 for(m=first_map;m!=NULL;m=m->next) { 236 for (m = first_map; m != NULL; m = m->next)
237 {
231 dump_map(m); 238 dump_map (m);
232 } 239 }
233} 240}
234 241
235/* This rolls up wall, blocks_magic, blocks_view, etc, all into 242/* This rolls up wall, blocks_magic, blocks_view, etc, all into
236 * one function that just returns a P_.. value (see map.h) 243 * one function that just returns a P_.. value (see map.h)
237 * it will also do map translation for tiled maps, returning 244 * it will also do map translation for tiled maps, returning
… …
240 * by a P_NEW_MAP value, another call to get_map_from_coord 247 * by a P_NEW_MAP value, another call to get_map_from_coord
241 * is needed. The case of not passing values is if we're just 248 * is needed. The case of not passing values is if we're just
242 * checking for the existence of something on those spaces, but 249 * checking for the existence of something on those spaces, but
243 * don't expect to insert/remove anything from those spaces. 250 * don't expect to insert/remove anything from those spaces.
244 */ 251 */
252int
245int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 253get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 * nx, sint16 * ny)
246{ 254{
247 sint16 newx, newy; 255 sint16 newx, newy;
248 int retval=0; 256 int retval = 0;
249 mapstruct *mp; 257 maptile *mp;
250 258
251 if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP; 259 if (out_of_map (oldmap, x, y))
260 return P_OUT_OF_MAP;
252 newx = x; 261 newx = x;
253 newy = y; 262 newy = y;
254 mp = get_map_from_coord(oldmap, &newx, &newy); 263 mp = get_map_from_coord (oldmap, &newx, &newy);
255 if (mp != oldmap) 264 if (mp != oldmap)
256 retval |= P_NEW_MAP; 265 retval |= P_NEW_MAP;
257 if (newmap) *newmap = mp; 266 if (newmap)
267 *newmap = mp;
268 if (nx)
258 if (nx) *nx = newx; 269 *nx = newx;
270 if (ny)
259 if (ny) *ny = newy; 271 *ny = newy;
272
260 retval |= mp->spaces[newx + mp->width * newy].flags; 273 retval |= mp->spaces[newx + mp->width * newy].flags;
261 274
262 if (retval & P_SAFE)
263 retval |= P_NO_MAGIC | P_NO_CLERIC; // P_SAFE does imply these
264
265 return retval; 275 return retval;
266} 276}
267
268 277
269/* 278/*
270 * Returns true if the given coordinate is blocked except by the 279 * Returns true if the given coordinate is blocked except by the
271 * object passed is not blocking. This is used with 280 * object passed is not blocking. This is used with
272 * multipart monsters - if we want to see if a 2x2 monster 281 * multipart monsters - if we want to see if a 2x2 monster
… …
276 * monster. 285 * monster.
277 * m, x, y are the target map/coordinates - needed for map tiling. 286 * m, x, y are the target map/coordinates - needed for map tiling.
278 * the coordinates & map passed in should have been updated for tiling 287 * the coordinates & map passed in should have been updated for tiling
279 * by the caller. 288 * by the caller.
280 */ 289 */
281 290int
282int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 291blocked_link (object *ob, maptile *m, int sx, int sy)
292{
283 object *tmp; 293 object *tmp;
284 int mflags, blocked; 294 int mflags, blocked;
285 295
286 /* Make sure the coordinates are valid - they should be, as caller should 296 /* Make sure the coordinates are valid - they should be, as caller should
287 * have already checked this. 297 * have already checked this.
288 */ 298 */
289 if (OUT_OF_REAL_MAP(m, sx, sy)) { 299 if (OUT_OF_REAL_MAP (m, sx, sy))
300 {
290 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 301 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
291 return 1; 302 return 1;
292 } 303 }
293 304
294 /* Save some cycles - instead of calling get_map_flags(), just get the value 305 /* Save some cycles - instead of calling get_map_flags(), just get the value
295 * directly. 306 * directly.
296 */ 307 */
297 mflags = m->spaces[sx + m->width * sy].flags; 308 mflags = m->spaces[sx + m->width * sy].flags;
298 309
299 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 310 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
300 311
301 /* If space is currently not blocked by anything, no need to 312 /* If space is currently not blocked by anything, no need to
302 * go further. Not true for players - all sorts of special 313 * go further. Not true for players - all sorts of special
303 * things we need to do for players. 314 * things we need to do for players.
304 */ 315 */
305 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 316 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
317 return 0;
306 318
307 /* if there isn't anytyhing alive on this space, and this space isn't 319 /* if there isn't anytyhing alive on this space, and this space isn't
308 * otherwise blocked, we can return now. Only if there is a living 320 * otherwise blocked, we can return now. Only if there is a living
309 * creature do we need to investigate if it is part of this creature 321 * creature do we need to investigate if it is part of this creature
310 * or another. Likewise, only if something is blocking us do we 322 * or another. Likewise, only if something is blocking us do we
311 * need to investigate if there is a special circumstance that would 323 * need to investigate if there is a special circumstance that would
312 * let the player through (inventory checkers for example) 324 * let the player through (inventory checkers for example)
313 */ 325 */
314 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0; 326 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
327 return 0;
315 328
316 if(ob->head != NULL) 329 if (ob->head != NULL)
317 ob=ob->head; 330 ob = ob->head;
318 331
319 /* We basically go through the stack of objects, and if there is 332 /* We basically go through the stack of objects, and if there is
320 * some other object that has NO_PASS or FLAG_ALIVE set, return 333 * some other object that has NO_PASS or FLAG_ALIVE set, return
321 * true. If we get through the entire stack, that must mean 334 * true. If we get through the entire stack, that must mean
322 * ob is blocking it, so return 0. 335 * ob is blocking it, so return 0.
323 */ 336 */
324 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) { 337 for (tmp = GET_MAP_OB (m, sx, sy); tmp != NULL; tmp = tmp->above)
338 {
325 339
326 /* This must be before the checks below. Code for inventory checkers. */ 340 /* This must be before the checks below. Code for inventory checkers. */
327 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) { 341 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
342 {
328 /* If last_sp is set, the player/monster needs an object, 343 /* If last_sp is set, the player/monster needs an object,
329 * so we check for it. If they don't have it, they can't 344 * so we check for it. If they don't have it, they can't
330 * pass through this space. 345 * pass through this space.
331 */ 346 */
332 if (tmp->last_sp) { 347 if (tmp->last_sp)
348 {
333 if (check_inv_recursive(ob,tmp)==NULL) 349 if (check_inv_recursive (ob, tmp) == NULL)
334 return 1; 350 return 1;
335 else 351 else
336 continue; 352 continue;
337 } else {
338 /* In this case, the player must not have the object -
339 * if they do, they can't pass through.
340 */
341 if (check_inv_recursive(ob,tmp)!=NULL) /* player has object */
342 return 1;
343 else
344 continue;
345 } 353 }
346 } /* if check_inv */
347 else { 354 else
355 {
356 /* In this case, the player must not have the object -
357 * if they do, they can't pass through.
358 */
359 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
360 return 1;
361 else
362 continue;
363 }
364 } /* if check_inv */
365 else
366 {
348 /* Broke apart a big nasty if into several here to make 367 /* Broke apart a big nasty if into several here to make
349 * this more readable. first check - if the space blocks 368 * this more readable. first check - if the space blocks
350 * movement, can't move here. 369 * movement, can't move here.
351 * second - if a monster, can't move there, unles it is a 370 * second - if a monster, can't move there, unles it is a
352 * hidden dm 371 * hidden dm
353 */ 372 */
354 if (OB_MOVE_BLOCK(ob, tmp)) return 1; 373 if (OB_MOVE_BLOCK (ob, tmp))
374 return 1;
355 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob && 375 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
356 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden)) 376 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))
357 return 1; 377 return 1;
358 } 378 }
359 379
360 } 380 }
361 return 0; 381 return 0;
362} 382}
363 383
364 384
365/* 385/*
366 * Returns true if the given object can't fit in the given spot. 386 * Returns true if the given object can't fit in the given spot.
… …
387 * Note this used to be arch_blocked, but with new movement 407 * Note this used to be arch_blocked, but with new movement
388 * code, we need to have actual object to check its move_type 408 * code, we need to have actual object to check its move_type
389 * against the move_block values. 409 * against the move_block values.
390 */ 410 */
391 411
412int
392int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 413ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
414{
393 archetype *tmp; 415 archetype *tmp;
394 int flag; 416 int flag;
395 mapstruct *m1; 417 maptile *m1;
396 sint16 sx, sy; 418 sint16 sx, sy;
397 419
398 if(ob==NULL) { 420 if (ob == NULL)
421 {
399 flag= get_map_flags(m,&m1, x,y, &sx, &sy); 422 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
400 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 423 if (flag & P_OUT_OF_MAP)
424 return P_OUT_OF_MAP;
401 425
402 /* don't have object, so don't know what types would block */ 426 /* don't have object, so don't know what types would block */
403 return(GET_MAP_MOVE_BLOCK(m1, sx, sy)); 427 return (GET_MAP_MOVE_BLOCK (m1, sx, sy));
404 } 428 }
405 429
406 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { 430 for (tmp = ob->arch; tmp != NULL; tmp = tmp->more)
431 {
407 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 432 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
408 433
409 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 434 if (flag & P_OUT_OF_MAP)
410 if (flag & P_IS_ALIVE) return P_IS_ALIVE; 435 return P_OUT_OF_MAP;
436 if (flag & P_IS_ALIVE)
437 return P_IS_ALIVE;
411 438
412 /* find_first_free_spot() calls this function. However, often 439 /* find_first_free_spot() calls this function. However, often
413 * ob doesn't have any move type (when used to place exits) 440 * ob doesn't have any move type (when used to place exits)
414 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 441 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
415 */ 442 */
416 443
417 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue; 444 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK (m1, sx, sy) != MOVE_ALL)
445 continue;
418 446
419 /* Note it is intentional that we check ob - the movement type of the 447 /* Note it is intentional that we check ob - the movement type of the
420 * head of the object should correspond for the entire object. 448 * head of the object should correspond for the entire object.
421 */ 449 */
422 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 450 if (OB_TYPE_MOVE_BLOCK (ob, GET_MAP_MOVE_BLOCK (m1, sx, sy)))
423 return AB_NO_PASS; 451 return AB_NO_PASS;
424 452
425 } 453 }
426 return 0; 454 return 0;
427} 455}
428 456
429/* When the map is loaded, load_object does not actually insert objects 457/* When the map is loaded, load_object does not actually insert objects
430 * into inventory, but just links them. What this does is go through 458 * into inventory, but just links them. What this does is go through
431 * and insert them properly. 459 * and insert them properly.
432 * The object 'container' is the object that contains the inventory. 460 * The object 'container' is the object that contains the inventory.
433 * This is needed so that we can update the containers weight. 461 * This is needed so that we can update the containers weight.
434 */ 462 */
435 463
464void
436void fix_container(object *container) 465fix_container (object *container)
437{ 466{
438 object *tmp=container->inv, *next; 467 object *tmp = container->inv, *next;
439 468
440 container->inv=NULL; 469 container->inv = NULL;
441 while (tmp!=NULL) { 470 while (tmp != NULL)
471 {
442 next = tmp->below; 472 next = tmp->below;
443 if (tmp->inv) 473 if (tmp->inv)
444 fix_container(tmp); 474 fix_container (tmp);
445 (void) insert_ob_in_ob(tmp,container); 475 (void) insert_ob_in_ob (tmp, container);
446 tmp = next; 476 tmp = next;
447 } 477 }
448 /* sum_weight will go through and calculate what all the containers are 478 /* sum_weight will go through and calculate what all the containers are
449 * carrying. 479 * carrying.
450 */ 480 */
451 sum_weight(container); 481 sum_weight (container);
452} 482}
453 483
454/* link_multipart_objects go through all the objects on the map looking 484/* link_multipart_objects go through all the objects on the map looking
455 * for objects whose arch says they are multipart yet according to the 485 * for objects whose arch says they are multipart yet according to the
456 * info we have, they only have the head (as would be expected when 486 * info we have, they only have the head (as would be expected when
457 * they are saved). We do have to look for the old maps that did save 487 * they are saved). We do have to look for the old maps that did save
458 * the more sections and not re-add sections for them. 488 * the more sections and not re-add sections for them.
459 */ 489 */
460 490
461static void link_multipart_objects(mapstruct *m) 491static void
492link_multipart_objects (maptile *m)
462{ 493{
463 int x,y; 494 int x, y;
464 object *tmp, *op, *last, *above; 495 object *tmp, *op, *last, *above;
465 archetype *at; 496 archetype *at;
466 497
467 for(x=0;x<MAP_WIDTH(m);x++) 498 for (x = 0; x < MAP_WIDTH (m); x++)
468 for(y=0;y<MAP_HEIGHT(m);y++) 499 for (y = 0; y < MAP_HEIGHT (m); y++)
469 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 500 for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = above)
501 {
470 above=tmp->above; 502 above = tmp->above;
471 503
472 /* already multipart - don't do anything more */ 504 /* already multipart - don't do anything more */
473 if (tmp->head || tmp->more) continue; 505 if (tmp->head || tmp->more)
506 continue;
474 507
475 /* If there is nothing more to this object, this for loop 508 /* If there is nothing more to this object, this for loop
476 * won't do anything. 509 * won't do anything.
477 */ 510 */
478 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) { 511 for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)
512 {
479 op = arch_to_object(at); 513 op = arch_to_object (at);
480 514
481 /* update x,y coordinates */ 515 /* update x,y coordinates */
482 op->x += tmp->x; 516 op->x += tmp->x;
483 op->y += tmp->y; 517 op->y += tmp->y;
484 op->head = tmp; 518 op->head = tmp;
485 op->map = m; 519 op->map = m;
486 last->more = op; 520 last->more = op;
487 op->name = tmp->name; 521 op->name = tmp->name;
488 op->title = tmp->title; 522 op->title = tmp->title;
489 /* we could link all the parts onto tmp, and then just 523 /* we could link all the parts onto tmp, and then just
490 * call insert_ob_in_map once, but the effect is the same, 524 * call insert_ob_in_map once, but the effect is the same,
491 * as insert_ob_in_map will call itself with each part, and 525 * as insert_ob_in_map will call itself with each part, and
492 * the coding is simpler to just to it here with each part. 526 * the coding is simpler to just to it here with each part.
493 */ 527 */
494 insert_ob_in_map(op, op->map, tmp,INS_NO_MERGE|INS_ABOVE_FLOOR_ONLY|INS_NO_WALK_ON); 528 insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON);
495 } /* for at = tmp->arch->more */ 529 } /* for at = tmp->arch->more */
496 } /* for objects on this space */ 530 } /* for objects on this space */
497} 531}
498
499
500 532
501/* 533/*
502 * Loads (ands parses) the objects into a given map from the specified 534 * Loads (ands parses) the objects into a given map from the specified
503 * file pointer. 535 * file pointer.
504 * mapflags is the same as we get with load_original_map 536 * mapflags is the same as we get with load_original_map
505 */ 537 */
506 538void
507void load_objects (mapstruct *m, object_thawer &fp, int mapflags) { 539load_objects (maptile *m, object_thawer & fp, int mapflags)
540{
508 int i,j; 541 int i, j;
509 int unique; 542 int unique;
510 object *op, *prev=NULL,*last_more=NULL, *otmp; 543 object *op, *prev = NULL, *last_more = NULL, *otmp;
511 544
512 op=get_object(); 545 op = get_object ();
513 op->map = m; /* To handle buttons correctly */ 546 op->map = m; /* To handle buttons correctly */
514 547
515 while((i = load_object (fp, op, mapflags))) { 548 while ((i = load_object (fp, op, mapflags)))
549 {
516 /* if the archetype for the object is null, means that we 550 /* if the archetype for the object is null, means that we
517 * got an invalid object. Don't do anything with it - the game 551 * got an invalid object. Don't do anything with it - the game
518 * or editor will not be able to do anything with it either. 552 * or editor will not be able to do anything with it either.
519 */ 553 */
520 if (op->arch==NULL) { 554 if (op->arch == NULL)
555 {
521 LOG(llevDebug,"Discarding object without arch: %s\n", op->name?(const char *)op->name:"(null)"); 556 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
522 continue; 557 continue;
558 }
559
560
561 switch (i)
523 } 562 {
524
525
526 switch(i) {
527 case LL_NORMAL: 563 case LL_NORMAL:
528 /* if we are loading an overlay, put the floors on the bottom */ 564 /* if we are loading an overlay, put the floors on the bottom */
529 if ((QUERY_FLAG(op, FLAG_IS_FLOOR) ||
530 QUERY_FLAG(op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY) 565 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
531 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD); 566 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
532 else 567 else
533 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); 568 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
534 569
535 if (op->inv) 570 if (op->inv)
536 sum_weight(op); 571 sum_weight (op);
537 572
538 prev=op,last_more=op; 573 prev = op, last_more = op;
539 break; 574 break;
540 575
541 case LL_MORE: 576 case LL_MORE:
542 insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 577 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);
543 op->head=prev,last_more->more=op,last_more=op; 578 op->head = prev, last_more->more = op, last_more = op;
544 break; 579 break;
545 } 580 }
581
546 if (mapflags & MAP_STYLE) { 582 if (mapflags & MAP_STYLE)
547 remove_from_active_list(op); 583 remove_from_active_list (op);
548 } 584
549 op=get_object(); 585 op = get_object ();
550 op->map = m; 586 op->map = m;
551 } 587 }
588
552 for (i=0;i<m->width;i++){ 589 for (i = 0; i < m->width; i++)
590 {
553 for (j=0;j<m->height;j++){ 591 for (j = 0; j < m->height; j++)
592 {
554 unique =0; 593 unique = 0;
555 /* check for unique items, or unique squares */ 594 /* check for unique items, or unique squares */
556 for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) { 595 for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above)
596 {
557 if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL)) 597 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
558 unique = 1; 598 unique = 1;
559 if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique)) 599 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
560 SET_FLAG(otmp, FLAG_OBJ_ORIGINAL); 600 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
561 } 601 }
562 } 602 }
563 } 603 }
604
564 free_object(op); 605 free_object (op);
565 link_multipart_objects(m); 606 link_multipart_objects (m);
566} 607}
567 608
568/* This saves all the objects on the map in a non destructive fashion. 609/* This saves all the objects on the map in a non destructive fashion.
569 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 610 * Modified by MSW 2001-07-01 to do in a single pass - reduces code,
570 * and we only save the head of multi part objects - this is needed 611 * and we only save the head of multi part objects - this is needed
571 * in order to do map tiling properly. 612 * in order to do map tiling properly.
572 */ 613 */
614void
573void save_objects (mapstruct *m, object_freezer &fp, object_freezer &fp2, int flag) { 615save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
616{
574 int i, j = 0,unique=0; 617 int i, j = 0, unique = 0;
575 object *op; 618 object *op;
619
576 /* first pass - save one-part objects */ 620 /* first pass - save one-part objects */
577 for(i = 0; i < MAP_WIDTH(m); i++) 621 for (i = 0; i < MAP_WIDTH (m); i++)
578 for (j = 0; j < MAP_HEIGHT(m); j++) { 622 for (j = 0; j < MAP_HEIGHT (m); j++)
623 {
579 unique=0; 624 unique = 0;
580 for(op = get_map_ob (m, i, j); op; op = op->above) { 625 for (op = get_map_ob (m, i, j); op; op = op->above)
626 {
581 if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 627 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
582 unique=1; 628 unique = 1;
583 629
584 if(op->type == PLAYER) { 630 if (op->type == PLAYER)
631 {
585 LOG(llevDebug, "Player on map that is being saved\n"); 632 LOG (llevDebug, "Player on map that is being saved\n");
586 continue; 633 continue;
587 } 634 }
588 635
589 if (op->head || op->owner) 636 if (op->head || op->owner)
590 continue; 637 continue;
591 638
592 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 639 if (unique || QUERY_FLAG (op, FLAG_UNIQUE))
593 save_object (fp2, op, 3); 640 save_object (fp2, op, 3);
594 else 641 else if (flag == 0 || (flag == 2 && (!QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) && !QUERY_FLAG (op, FLAG_UNPAID))))
595 if (flag == 0 ||
596 (flag == 2 && (!QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) &&
597 !QUERY_FLAG(op, FLAG_UNPAID))))
598 save_object(fp, op, 3); 642 save_object (fp, op, 3);
599 643
600 } /* for this space */ 644 } /* for this space */
601 } /* for this j */ 645 } /* for this j */
646}
647
648maptile::maptile ()
649{
650 in_memory = MAP_SWAPPED;
651 /* The maps used to pick up default x and y values from the
652 * map archetype. Mimic that behaviour.
653 */
654 MAP_WIDTH (this) = 16;
655 MAP_HEIGHT (this) = 16;
656 MAP_RESET_TIMEOUT (this) = 0;
657 MAP_TIMEOUT (this) = 300;
658 MAP_ENTER_X (this) = 0;
659 MAP_ENTER_Y (this) = 0;
660 /*set part to -1 indicating conversion to weather map not yet done */
661 MAP_WORLDPARTX (this) = -1;
662 MAP_WORLDPARTY (this) = -1;
602} 663}
603 664
604/* 665/*
605 * Allocates, initialises, and returns a pointer to a mapstruct. 666 * Allocates, initialises, and returns a pointer to a maptile.
606 * Modified to no longer take a path option which was not being 667 * Modified to no longer take a path option which was not being
607 * used anyways. MSW 2001-07-01 668 * used anyways. MSW 2001-07-01
608 */ 669 */
670maptile *
671get_linked_map (void)
672{
673 maptile *mp, *map = new maptile;
609 674
610mapstruct *get_linked_map(void) {
611 mapstruct *map = new mapstruct;
612 mapstruct *mp;
613
614 for(mp=first_map;mp!=NULL&&mp->next!=NULL;mp=mp->next); 675 for (mp = first_map; mp && mp->next; mp = mp->next);
676
615 if(mp==NULL) 677 if (mp == NULL)
616 first_map=map; 678 first_map = map;
617 else 679 else
618 mp->next=map; 680 mp->next = map;
619 681
620 map->in_memory=MAP_SWAPPED;
621 /* The maps used to pick up default x and y values from the
622 * map archetype. Mimic that behaviour.
623 */
624 MAP_WIDTH(map)=16;
625 MAP_HEIGHT(map)=16;
626 MAP_RESET_TIMEOUT(map)=0;
627 MAP_TIMEOUT(map)=300;
628 MAP_ENTER_X(map)=0;
629 MAP_ENTER_Y(map)=0;
630 /*set part to -1 indicating conversion to weather map not yet done*/
631 MAP_WORLDPARTX(map)=-1;
632 MAP_WORLDPARTY(map)=-1;
633 return map; 682 return map;
634} 683}
635 684
636/* 685/*
637 * Allocates the arrays contained in a mapstruct. 686 * Allocates the arrays contained in a maptile.
638 * This basically allocates the dynamic array of spaces for the 687 * This basically allocates the dynamic array of spaces for the
639 * map. 688 * map.
640 */ 689 */
641 690void
642void allocate_map(mapstruct *m) { 691maptile::allocate ()
692{
643 m->in_memory = MAP_IN_MEMORY; 693 in_memory = MAP_IN_MEMORY;
694
644 /* Log this condition and free the storage. We could I suppose 695 /* Log this condition and free the storage. We could I suppose
645 * realloc, but if the caller is presuming the data will be intact, 696 * realloc, but if the caller is presuming the data will be intact,
646 * that is their poor assumption. 697 * that is their poor assumption.
647 */ 698 */
648 if (m->spaces) { 699 if (spaces)
700 {
649 LOG(llevError,"allocate_map called with already allocated map (%s)\n", m->path); 701 LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
650 free(m->spaces); 702 free (spaces);
651 } 703 }
652 704
653 m->spaces = (MapSpace *) calloc(1, MAP_WIDTH(m) * MAP_HEIGHT(m) * sizeof(MapSpace)); 705 spaces = (MapSpace *)
706 calloc (1, width * height * sizeof (MapSpace));
654 707
655 if(m->spaces==NULL) 708 if (!spaces)
656 fatal(OUT_OF_MEMORY); 709 fatal (OUT_OF_MEMORY);
657} 710}
658 711
659/* Create and returns a map of the specific size. Used 712/* Create and returns a map of the specific size. Used
660 * in random map code and the editor. 713 * in random map code and the editor.
661 */ 714 */
715maptile *
662mapstruct *get_empty_map(int sizex, int sizey) { 716get_empty_map (int sizex, int sizey)
717{
663 mapstruct *m = get_linked_map(); 718 maptile *m = get_linked_map ();
719
664 m->width = sizex; 720 m->width = sizex;
665 m->height = sizey; 721 m->height = sizey;
666 m->in_memory = MAP_SWAPPED; 722 m->in_memory = MAP_SWAPPED;
667 allocate_map(m); 723 m->allocate ();
724
668 return m; 725 return m;
669} 726}
670 727
671/* Takes a string from a map definition and outputs a pointer to the array of shopitems 728/* Takes a string from a map definition and outputs a pointer to the array of shopitems
672 * corresponding to that string. Memory is allocated for this, it must be freed 729 * corresponding to that string. Memory is allocated for this, it must be freed
673 * at a later date. 730 * at a later date.
674 * Called by parse_map_headers below. 731 * Called by parse_map_headers below.
675 */ 732 */
676 733
734static shopitems *
677static shopitems *parse_shop_string (const char *input_string) { 735parse_shop_string (const char *input_string)
736{
678 char *shop_string, *p, *q, *next_semicolon, *next_colon; 737 char *shop_string, *p, *q, *next_semicolon, *next_colon;
679 shopitems *items=NULL; 738 shopitems *items = NULL;
680 int i=0, number_of_entries=0; 739 int i = 0, number_of_entries = 0;
681 const typedata *current_type; 740 const typedata *current_type;
682 741
683 shop_string=strdup_local(input_string); 742 shop_string = strdup_local (input_string);
684 p=shop_string; 743 p = shop_string;
685 /* first we'll count the entries, we'll need that for allocating the array shortly */ 744 /* first we'll count the entries, we'll need that for allocating the array shortly */
686 while (p) { 745 while (p)
746 {
687 p=strchr(p, ';'); 747 p = strchr (p, ';');
688 number_of_entries++; 748 number_of_entries++;
689 if (p) p++; 749 if (p)
750 p++;
690 } 751 }
691 p=shop_string; 752 p = shop_string;
692 strip_endline(p); 753 strip_endline (p);
693 items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); 754 items = new shopitems[number_of_entries + 1];
694 memset(items, 0, (sizeof(shopitems) * number_of_entries+1));
695 for (i=0; i<number_of_entries; i++) { 755 for (i = 0; i < number_of_entries; i++)
756 {
696 if (!p) { 757 if (!p)
758 {
697 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 759 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
698 break; 760 break;
699 } 761 }
700 next_semicolon=strchr(p, ';'); 762 next_semicolon = strchr (p, ';');
701 next_colon=strchr(p, ':'); 763 next_colon = strchr (p, ':');
702 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 764 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
703 if (next_colon &&( !next_semicolon || next_colon<next_semicolon)) 765 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
704 items[i].strength=atoi(strchr(p,':')+1); 766 items[i].strength = atoi (strchr (p, ':') + 1);
767
768 if (isdigit (*p) || *p == '*')
705 769 {
706 if (isdigit(*p) || *p=='*') {
707 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */ 770 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
708 current_type=get_typedata(items[i].typenum); 771 current_type = get_typedata (items[i].typenum);
709 if (current_type) { 772 if (current_type)
773 {
710 items[i].name=current_type->name; 774 items[i].name = current_type->name;
711 items[i].name_pl=current_type->name_pl; 775 items[i].name_pl = current_type->name_pl;
712 }
713 }
714 else { /*we have a named type, let's figure out what it is */
715 q=strpbrk(p,";:");
716 if (q) *q='\0';
717
718 current_type=get_typedata_by_name(p);
719 if (current_type) {
720 items[i].name=current_type->name;
721 items[i].typenum=current_type->number;
722 items[i].name_pl=current_type->name_pl;
723 } 776 }
724 else { /* oh uh, something's wrong, let's free up this one, and try 777 }
725 * the next entry while we're at it, better print a warning 778 else
726 */ 779 { /*we have a named type, let's figure out what it is */
727 LOG(llevError, "invalid type %s defined in shopitems in string %s\n", 780 q = strpbrk (p, ";:");
728 p, input_string); 781 if (q)
782 *q = '\0';
783
784 current_type = get_typedata_by_name (p);
785 if (current_type)
786 {
787 items[i].name = current_type->name;
788 items[i].typenum = current_type->number;
789 items[i].name_pl = current_type->name_pl;
729 } 790 }
791 else
792 { /* oh uh, something's wrong, let's free up this one, and try
793 * the next entry while we're at it, better print a warning
794 */
795 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
730 } 796 }
797 }
731 items[i].index=number_of_entries; 798 items[i].index = number_of_entries;
732 if (next_semicolon) p=++next_semicolon; 799 if (next_semicolon)
800 p = ++next_semicolon;
801 else
733 else p=NULL; 802 p = NULL;
734 } 803 }
735 free(shop_string); 804 free (shop_string);
736 return items; 805 return items;
737} 806}
738 807
739/* opposite of parse string, this puts the string that was originally fed in to 808/* opposite of parse string, this puts the string that was originally fed in to
740 * the map (or something equivilent) into output_string. */ 809 * the map (or something equivilent) into output_string. */
810static void
741static void print_shop_string(mapstruct *m, char *output_string) { 811print_shop_string (maptile *m, char *output_string)
812{
742 int i; 813 int i;
743 char tmp[MAX_BUF]; 814 char tmp[MAX_BUF];
815
744 strcpy(output_string, ""); 816 strcpy (output_string, "");
745 for (i=0; i< m->shopitems[0].index; i++) { 817 for (i = 0; i < m->shopitems[0].index; i++)
818 {
746 if (m->shopitems[i].typenum) { 819 if (m->shopitems[i].typenum)
820 {
747 if (m->shopitems[i].strength) { 821 if (m->shopitems[i].strength)
822 {
748 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 823 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
749 } 824 }
825 else
750 else sprintf(tmp, "%s;", m->shopitems[i].name); 826 sprintf (tmp, "%s;", m->shopitems[i].name);
827 }
828 else
751 } 829 {
752 else {
753 if (m->shopitems[i].strength) { 830 if (m->shopitems[i].strength)
831 {
754 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 832 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
755 } 833 }
834 else
756 else sprintf(tmp, "*"); 835 sprintf (tmp, "*");
757 } 836 }
758 strcat(output_string, tmp); 837 strcat (output_string, tmp);
759 } 838 }
760} 839}
761 840
762/* This loads the header information of the map. The header 841/* This loads the header information of the map. The header
763 * contains things like difficulty, size, timeout, etc. 842 * contains things like difficulty, size, timeout, etc.
… …
770 * currently, there are few enough fields this is not a big deal. 849 * currently, there are few enough fields this is not a big deal.
771 * MSW 2001-07-01 850 * MSW 2001-07-01
772 * return 0 on success, 1 on failure. 851 * return 0 on success, 1 on failure.
773 */ 852 */
774 853
854static int
775static int load_map_header(object_thawer &fp, mapstruct *m) 855load_map_header (object_thawer & fp, maptile *m)
776{ 856{
777 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 857 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
778 int msgpos=0; 858 int msgpos = 0;
779 int maplorepos=0; 859 int maplorepos = 0;
780 860
781 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 861 while (fgets (buf, HUGE_BUF, fp) != NULL)
862 {
782 buf[HUGE_BUF-1] = 0; 863 buf[HUGE_BUF - 1] = 0;
783 key = buf; 864 key = buf;
865
784 while (isspace(*key)) key++; 866 while (isspace (*key))
785 if (*key == 0) continue; /* empty line */ 867 key++;
868
869 if (*key == 0)
870 continue; /* empty line */
871
786 value = strchr(key, ' '); 872 value = strchr (key, ' ');
873
787 if (!value) { 874 if (!value)
875 {
788 end = strchr(key, '\n'); 876 if (end = strchr (key, '\n'))
789 if (end != NULL) {
790 *end = 0; 877 *end = 0;
791 } 878 }
792 } else { 879 else
880 {
793 *value = 0; 881 *value = 0;
794 value++; 882 value++;
795 end = strchr(value, '\n'); 883 end = strchr (value, '\n');
884
796 while (isspace(*value)) { 885 while (isspace (*value))
886 {
797 value++; 887 value++;
888
798 if (*value == '\0' || value == end) { 889 if (*value == '\0' || value == end)
890 {
799 /* Nothing but spaces. */ 891 /* Nothing but spaces. */
800 value = NULL; 892 value = NULL;
801 break; 893 break;
802 } 894 }
803 } 895 }
804 } 896 }
897
805 if (!end) { 898 if (!end)
899 {
806 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", 900 LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
807 buf);
808 return 1; 901 return 1;
809 }
810 902 }
811 903
812 /* key is the field name, value is what it should be set 904 /* key is the field name, value is what it should be set
813 * to. We've already done the work to null terminate key, 905 * to. We've already done the work to null terminate key,
814 * and strip off any leading spaces for both of these. 906 * and strip off any leading spaces for both of these.
815 * We have not touched the newline at the end of the line - 907 * We have not touched the newline at the end of the line -
816 * these are needed for some values. the end pointer 908 * these are needed for some values. the end pointer
817 * points to the first of the newlines. 909 * points to the first of the newlines.
818 * value could be NULL! It would be easy enough to just point 910 * value could be NULL! It would be easy enough to just point
819 * this to "" to prevent cores, but that would let more errors slide 911 * this to "" to prevent cores, but that would let more errors slide
820 * through. 912 * through.
821 * 913 *
822 * First check for entries that do not use the value parameter, then 914 * First check for entries that do not use the value parameter, then
823 * validate that value is given and check for the remaining entries 915 * validate that value is given and check for the remaining entries
824 * that use the parameter. 916 * that use the parameter.
825 */ 917 */
826 918
827 if (!strcmp(key,"msg")) { 919 if (!strcmp (key, "msg"))
920 {
828 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 921 while (fgets (buf, HUGE_BUF, fp) != NULL)
922 {
829 if (!strcmp(buf,"endmsg\n")) break; 923 if (!strcmp (buf, "endmsg\n"))
924 break;
830 else { 925 else
926 {
831 /* slightly more efficient than strcat */ 927 /* slightly more efficient than strcat */
832 strcpy(msgbuf+msgpos, buf); 928 strcpy (msgbuf + msgpos, buf);
833 msgpos += strlen(buf); 929 msgpos += strlen (buf);
834 } 930 }
835 } 931 }
836 /* There are lots of maps that have empty messages (eg, msg/endmsg 932 /* There are lots of maps that have empty messages (eg, msg/endmsg
837 * with nothing between). There is no reason in those cases to 933 * with nothing between). There is no reason in those cases to
838 * keep the empty message. Also, msgbuf contains garbage data 934 * keep the empty message. Also, msgbuf contains garbage data
839 * when msgpos is zero, so copying it results in crashes 935 * when msgpos is zero, so copying it results in crashes
840 */ 936 */
841 if (msgpos != 0) 937 if (msgpos != 0)
842 m->msg = strdup_local(msgbuf); 938 m->msg = strdup_local (msgbuf);
843 } 939 }
844 else if (!strcmp(key,"maplore")) { 940 else if (!strcmp (key, "maplore"))
941 {
845 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 942 while (fgets (buf, HUGE_BUF, fp) != NULL)
943 {
846 if (!strcmp(buf,"endmaplore\n")) break; 944 if (!strcmp (buf, "endmaplore\n"))
945 break;
847 else { 946 else
947 {
848 /* slightly more efficient than strcat */ 948 /* slightly more efficient than strcat */
849 strcpy(maplorebuf+maplorepos, buf); 949 strcpy (maplorebuf + maplorepos, buf);
850 maplorepos += strlen(buf); 950 maplorepos += strlen (buf);
851 } 951 }
852 } 952 }
853 if (maplorepos != 0) 953 if (maplorepos != 0)
854 m->maplore = strdup_local(maplorebuf); 954 m->maplore = strdup_local (maplorebuf);
855 } 955 }
856 else if (!strcmp(key,"end")) { 956 else if (!strcmp (key, "end"))
957 {
857 break; 958 break;
858 } 959 }
859 else if (value == NULL) { 960 else if (value == NULL)
961 {
860 LOG(llevError, "Got '%s' line without parameter in map header\n", key); 962 LOG (llevError, "Got '%s' line without parameter in map header\n", key);
861 } 963 }
862 else if (!strcmp(key, "arch")) { 964 else if (!strcmp (key, "arch"))
965 {
863 /* This is an oddity, but not something we care about much. */ 966 /* This is an oddity, but not something we care about much. */
864 if (strcmp(value,"map\n")) 967 if (strcmp (value, "map\n"))
865 LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value); 968 LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
866 } 969 }
867 else if (!strcmp(key,"name")) { 970 else if (!strcmp (key, "name"))
971 {
868 *end=0; 972 *end = 0;
869 m->name = strdup_local(value); 973 m->name = strdup_local (value);
870 } 974 }
871 /* first strcmp value on these are old names supported 975 /* first strcmp value on these are old names supported
872 * for compatibility reasons. The new values (second) are 976 * for compatibility reasons. The new values (second) are
873 * what really should be used. 977 * what really should be used.
874 */ 978 */
875 else if (!strcmp(key,"oid")) { 979 else if (!strcmp (key, "oid"))
980 {
876 fp.get (m, atoi(value)); 981 fp.get (m, atoi (value));
982 }
877 } else if (!strcmp(key, "attach")) { 983 else if (!strcmp (key, "attach"))
984 {
878 m->attach = value; 985 m->attach = value;
986 }
879 } else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) { 987 else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
988 {
880 m->enter_x = atoi(value); 989 m->enter_x = atoi (value);
990 }
881 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) { 991 else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
992 {
882 m->enter_y = atoi(value); 993 m->enter_y = atoi (value);
994 }
883 } else if (!strcmp(key,"x") || !strcmp(key, "width")) { 995 else if (!strcmp (key, "x") || !strcmp (key, "width"))
996 {
884 m->width = atoi(value); 997 m->width = atoi (value);
998 }
885 } else if (!strcmp(key,"y") || !strcmp(key, "height")) { 999 else if (!strcmp (key, "y") || !strcmp (key, "height"))
1000 {
886 m->height = atoi(value); 1001 m->height = atoi (value);
1002 }
887 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) { 1003 else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
1004 {
888 m->reset_timeout = atoi(value); 1005 m->reset_timeout = atoi (value);
1006 }
889 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) { 1007 else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
1008 {
890 m->timeout = atoi(value); 1009 m->timeout = atoi (value);
1010 }
891 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) { 1011 else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
1012 {
892 m->difficulty = atoi(value); 1013 m->difficulty = atoi (value);
1014 }
893 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) { 1015 else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
1016 {
894 m->darkness = atoi(value); 1017 m->darkness = atoi (value);
1018 }
895 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) { 1019 else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
1020 {
896 m->fixed_resettime = atoi(value); 1021 m->fixed_resettime = atoi (value);
1022 }
897 } else if (!strcmp(key,"unique")) { 1023 else if (!strcmp (key, "unique"))
1024 {
898 m->unique = atoi(value); 1025 m->unique = atoi (value);
1026 }
899 } else if (!strcmp(key,"template")) { 1027 else if (!strcmp (key, "template"))
1028 {
900 m->templatemap = atoi(value); 1029 m->templatemap = atoi (value);
1030 }
901 } else if (!strcmp(key,"region")) { 1031 else if (!strcmp (key, "region"))
1032 {
902 m->region = get_region_by_name(value); 1033 m->region = get_region_by_name (value);
1034 }
903 } else if (!strcmp(key,"shopitems")) { 1035 else if (!strcmp (key, "shopitems"))
1036 {
904 *end=0; 1037 *end = 0;
905 m->shopitems = parse_shop_string(value); 1038 m->shopitems = parse_shop_string (value);
1039 }
906 } else if (!strcmp(key,"shopgreed")) { 1040 else if (!strcmp (key, "shopgreed"))
1041 {
907 m->shopgreed = atof(value); 1042 m->shopgreed = atof (value);
1043 }
908 } else if (!strcmp(key,"shopmin")) { 1044 else if (!strcmp (key, "shopmin"))
1045 {
909 m->shopmin = atol(value); 1046 m->shopmin = atol (value);
1047 }
910 } else if (!strcmp(key,"shopmax")) { 1048 else if (!strcmp (key, "shopmax"))
1049 {
911 m->shopmax = atol(value); 1050 m->shopmax = atol (value);
1051 }
912 } else if (!strcmp(key,"shoprace")) { 1052 else if (!strcmp (key, "shoprace"))
1053 {
913 *end=0; 1054 *end = 0;
914 m->shoprace = strdup_local(value); 1055 m->shoprace = strdup_local (value);
1056 }
915 } else if (!strcmp(key,"outdoor")) { 1057 else if (!strcmp (key, "outdoor"))
1058 {
916 m->outdoor = atoi(value); 1059 m->outdoor = atoi (value);
1060 }
917 } else if (!strcmp(key, "temp")) { 1061 else if (!strcmp (key, "temp"))
1062 {
918 m->temp = atoi(value); 1063 m->temp = atoi (value);
1064 }
919 } else if (!strcmp(key, "pressure")) { 1065 else if (!strcmp (key, "pressure"))
1066 {
920 m->pressure = atoi(value); 1067 m->pressure = atoi (value);
1068 }
921 } else if (!strcmp(key, "humid")) { 1069 else if (!strcmp (key, "humid"))
1070 {
922 m->humid = atoi(value); 1071 m->humid = atoi (value);
1072 }
923 } else if (!strcmp(key, "windspeed")) { 1073 else if (!strcmp (key, "windspeed"))
1074 {
924 m->windspeed = atoi(value); 1075 m->windspeed = atoi (value);
1076 }
925 } else if (!strcmp(key, "winddir")) { 1077 else if (!strcmp (key, "winddir"))
1078 {
926 m->winddir = atoi(value); 1079 m->winddir = atoi (value);
1080 }
927 } else if (!strcmp(key, "sky")) { 1081 else if (!strcmp (key, "sky"))
1082 {
928 m->sky = atoi(value); 1083 m->sky = atoi (value);
1084 }
929 } else if (!strcmp(key, "nosmooth")) { 1085 else if (!strcmp (key, "nosmooth"))
1086 {
930 m->nosmooth = atoi(value); 1087 m->nosmooth = atoi (value);
931 } 1088 }
932 else if (!strncmp(key,"tile_path_", 10)) { 1089 else if (!strncmp (key, "tile_path_", 10))
1090 {
933 int tile=atoi(key+10); 1091 int tile = atoi (key + 10);
934 1092
935 if (tile<1 || tile>4) { 1093 if (tile < 1 || tile > 4)
1094 {
936 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n", 1095 LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
937 tile, m->path); 1096 }
938 } else { 1097 else
1098 {
939 char *path; 1099 char *path;
940 1100
941 *end = 0; 1101 *end = 0;
942 1102
943 if (m->tile_path[tile-1]) { 1103 if (m->tile_path[tile - 1])
1104 {
944 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n", 1105 LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
945 tile, m->path);
946 free(m->tile_path[tile-1]); 1106 free (m->tile_path[tile - 1]);
947 m->tile_path[tile-1] = NULL; 1107 m->tile_path[tile - 1] = NULL;
948 } 1108 }
949 1109
950 if (check_path(value, 1) != -1) { 1110 if (check_path (value, 1) != -1)
1111 {
951 /* The unadorned path works. */ 1112 /* The unadorned path works. */
952 path = value; 1113 path = value;
1114 }
953 } else { 1115 else
1116 {
954 /* Try again; it could be a relative exit. */ 1117 /* Try again; it could be a relative exit. */
955 1118
956 path = path_combine_and_normalize(m->path, value); 1119 path = path_combine_and_normalize (m->path, value);
957 1120
958 if (check_path(path, 1) == -1) { 1121 if (check_path (path, 1) == -1)
1122 {
959 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value); 1123 LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
960 path = NULL; 1124 path = NULL;
961 } 1125 }
962 } 1126 }
963 1127
964 if (editor) { 1128 if (editor)
1129 {
965 /* Use the value as in the file. */ 1130 /* Use the value as in the file. */
966 m->tile_path[tile-1] = strdup_local(value); 1131 m->tile_path[tile - 1] = strdup_local (value);
967 } else if (path != NULL) {
968 /* Use the normalized value. */
969 m->tile_path[tile-1] = strdup_local(path);
970 } 1132 }
1133 else if (path != NULL)
1134 {
1135 /* Use the normalized value. */
1136 m->tile_path[tile - 1] = strdup_local (path);
1137 }
971 } /* end if tile direction (in)valid */ 1138 } /* end if tile direction (in)valid */
1139 }
1140 else
972 } 1141 {
973 else {
974 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value); 1142 LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
975 } 1143 }
976 } 1144 }
977 if (!key || strcmp(key,"end")) { 1145 if (!key || strcmp (key, "end"))
1146 {
978 LOG(llevError,"Got premature eof on map header!\n"); 1147 LOG (llevError, "Got premature eof on map header!\n");
979 return 1; 1148 return 1;
980 } 1149 }
981 return 0; 1150 return 0;
982} 1151}
983 1152
984/* 1153/*
985 * Opens the file "filename" and reads information about the map 1154 * Opens the file "filename" and reads information about the map
986 * from the given file, and stores it in a newly allocated 1155 * from the given file, and stores it in a newly allocated
987 * mapstruct. A pointer to this structure is returned, or NULL on failure. 1156 * maptile. A pointer to this structure is returned, or NULL on failure.
988 * flags correspond to those in map.h. Main ones used are 1157 * flags correspond to those in map.h. Main ones used are
989 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and 1158 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
990 * MAP_BLOCK, in which case we block on this load. This happens in all 1159 * MAP_BLOCK, in which case we block on this load. This happens in all
991 * cases, no matter if this flag is set or not. 1160 * cases, no matter if this flag is set or not.
992 * MAP_STYLE: style map - don't add active objects, don't add to server 1161 * MAP_STYLE: style map - don't add active objects, don't add to server
993 * managed map list. 1162 * managed map list.
994 */ 1163 */
995 1164
1165maptile *
996mapstruct *load_original_map(const char *filename, int flags) { 1166load_original_map (const char *filename, int flags)
997 mapstruct *m; 1167{
1168 maptile *m;
998 char pathname[MAX_BUF]; 1169 char pathname[MAX_BUF];
999 1170
1000 LOG(llevDebug, "load_original_map: %s (%x)\n", filename,flags);
1001 if (flags & MAP_PLAYER_UNIQUE) 1171 if (flags & MAP_PLAYER_UNIQUE)
1002 strcpy(pathname, filename); 1172 strcpy (pathname, filename);
1003 else if (flags & MAP_OVERLAY) 1173 else if (flags & MAP_OVERLAY)
1004 strcpy(pathname, create_overlay_pathname(filename)); 1174 strcpy (pathname, create_overlay_pathname (filename));
1005 else 1175 else
1006 strcpy(pathname, create_pathname(filename)); 1176 strcpy (pathname, create_pathname (filename));
1007 1177
1178 LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1179
1008 object_thawer thawer (pathname); 1180 object_thawer thawer (pathname);
1009 1181
1010 if (!thawer) 1182 if (!thawer)
1011 return 0; 1183 return 0;
1012 1184
1013 m = get_linked_map(); 1185 m = get_linked_map ();
1014 1186
1015 strcpy (m->path, filename); 1187 strcpy (m->path, filename);
1016 if (load_map_header(thawer, m)) { 1188 if (load_map_header (thawer, m))
1189 {
1017 LOG(llevError,"Error loading map header for %s, flags=%d\n", 1190 LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1018 filename, flags);
1019 delete_map(m); 1191 delete_map (m);
1020 return NULL; 1192 return NULL;
1021 } 1193 }
1022 1194
1023 allocate_map(m); 1195 m->allocate ();
1024 1196
1025 m->in_memory=MAP_LOADING; 1197 m->in_memory = MAP_LOADING;
1026 load_objects (m, thawer, flags & (MAP_BLOCK|MAP_STYLE)); 1198 load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1027 1199
1028 m->in_memory=MAP_IN_MEMORY; 1200 m->in_memory = MAP_IN_MEMORY;
1029 if (!MAP_DIFFICULTY(m)) 1201 if (!MAP_DIFFICULTY (m))
1030 MAP_DIFFICULTY(m)=calculate_difficulty(m); 1202 MAP_DIFFICULTY (m) = calculate_difficulty (m);
1031 set_map_reset_time(m); 1203 set_map_reset_time (m);
1032 m->instantiate (); 1204 m->instantiate ();
1033 return (m); 1205 return (m);
1034} 1206}
1035 1207
1036/* 1208/*
1037 * Loads a map, which has been loaded earlier, from file. 1209 * Loads a map, which has been loaded earlier, from file.
1038 * Return the map object we load into (this can change from the passed 1210 * Return the map object we load into (this can change from the passed
1039 * option if we can't find the original map) 1211 * option if we can't find the original map)
1040 */ 1212 */
1041 1213
1042static mapstruct *load_temporary_map(mapstruct *m) { 1214static maptile *
1043 int comp; 1215load_temporary_map (maptile *m)
1216{
1044 char buf[MAX_BUF]; 1217 char buf[MAX_BUF];
1045 1218
1046 if (!m->tmpname) { 1219 if (!m->tmpname)
1220 {
1047 LOG(llevError, "No temporary filename for map %s\n", m->path); 1221 LOG (llevError, "No temporary filename for map %s\n", m->path);
1048 strcpy(buf, m->path);
1049 delete_map(m);
1050 m = load_original_map(buf, 0);
1051 if(m==NULL) return NULL;
1052 fix_auto_apply(m); /* Chests which open as default */
1053 return m;
1054 }
1055
1056 object_thawer thawer (m->tmpname);
1057
1058 if (!thawer)
1059 {
1060 strcpy (buf, m->path); 1222 strcpy (buf, m->path);
1061 delete_map (m); 1223 delete_map (m);
1062 m = load_original_map (buf, 0); 1224 m = load_original_map (buf, 0);
1063 if (!m) return NULL; 1225 if (m == NULL)
1064 fix_auto_apply (m); /* Chests which open as default */
1065 return m;
1066 }
1067
1068 if (load_map_header(thawer, m)) {
1069 LOG(llevError,"Error loading map header for %s (%s)\n",
1070 m->path, m->tmpname);
1071 delete_map(m);
1072 m = load_original_map(m->path, 0);
1073 return NULL; 1226 return NULL;
1227 fix_auto_apply (m); /* Chests which open as default */
1228 return m;
1229 }
1230
1231 object_thawer thawer (m->tmpname);
1232
1233 if (!thawer)
1074 } 1234 {
1075 allocate_map(m); 1235 strcpy (buf, m->path);
1236 delete_map (m);
1237 m = load_original_map (buf, 0);
1238 if (!m)
1239 return NULL;
1240 fix_auto_apply (m); /* Chests which open as default */
1241 return m;
1242 }
1076 1243
1244 if (load_map_header (thawer, m))
1245 {
1246 LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1247 delete_map (m);
1248 m = load_original_map (m->path, 0);
1249 return NULL;
1250 }
1251
1252 m->allocate ();
1253
1077 m->in_memory=MAP_LOADING; 1254 m->in_memory = MAP_LOADING;
1078 load_objects (m, thawer, 0); 1255 load_objects (m, thawer, 0);
1079 1256
1080 m->in_memory=MAP_IN_MEMORY; 1257 m->in_memory = MAP_IN_MEMORY;
1081 INVOKE_MAP (SWAPIN, m); 1258 INVOKE_MAP (SWAPIN, m);
1082 return m; 1259 return m;
1083} 1260}
1084 1261
1085/* 1262/*
1086 * Loads a map, which has been loaded earlier, from file. 1263 * Loads a map, which has been loaded earlier, from file.
1087 * Return the map object we load into (this can change from the passed 1264 * Return the map object we load into (this can change from the passed
1088 * option if we can't find the original map) 1265 * option if we can't find the original map)
1089 */ 1266 */
1090 1267
1268maptile *
1091mapstruct *load_overlay_map(const char *filename, mapstruct *m) { 1269load_overlay_map (const char *filename, maptile *m)
1270{
1092 char pathname[MAX_BUF]; 1271 char pathname[MAX_BUF];
1093 1272
1094 strcpy(pathname, create_overlay_pathname(filename)); 1273 strcpy (pathname, create_overlay_pathname (filename));
1095 1274
1096 object_thawer thawer (pathname); 1275 object_thawer thawer (pathname);
1097 1276
1098 if (!thawer) 1277 if (!thawer)
1099 return m;
1100
1101 if (load_map_header(thawer, m)) {
1102 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1103 m->path, pathname);
1104 delete_map(m);
1105 m = load_original_map(m->path, 0);
1106 return NULL;
1107 }
1108 /*allocate_map(m);*/
1109
1110 m->in_memory=MAP_LOADING;
1111 load_objects (m, thawer, MAP_OVERLAY);
1112
1113 m->in_memory=MAP_IN_MEMORY;
1114 return m; 1278 return m;
1279
1280 if (load_map_header (thawer, m))
1281 {
1282 LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1283 delete_map (m);
1284 m = load_original_map (m->path, 0);
1285 return NULL;
1286 }
1287 /*m->allocate ();*/
1288
1289 m->in_memory = MAP_LOADING;
1290 load_objects (m, thawer, MAP_OVERLAY);
1291
1292 m->in_memory = MAP_IN_MEMORY;
1293 return m;
1115} 1294}
1116 1295
1117/****************************************************************************** 1296/******************************************************************************
1118 * This is the start of unique map handling code 1297 * This is the start of unique map handling code
1119 *****************************************************************************/ 1298 *****************************************************************************/
1120 1299
1121/* This goes through map 'm' and removed any unique items on the map. */ 1300/* This goes through map 'm' and removed any unique items on the map. */
1122static void delete_unique_items(mapstruct *m) 1301static void
1302delete_unique_items (maptile *m)
1123{ 1303{
1124 int i,j,unique; 1304 int i, j, unique;
1125 object *op, *next; 1305 object *op, *next;
1126 1306
1127 for(i=0; i<MAP_WIDTH(m); i++) 1307 for (i = 0; i < MAP_WIDTH (m); i++)
1128 for(j=0; j<MAP_HEIGHT(m); j++) { 1308 for (j = 0; j < MAP_HEIGHT (m); j++)
1309 {
1129 unique=0; 1310 unique = 0;
1130 for (op=get_map_ob(m, i, j); op; op=next) { 1311 for (op = get_map_ob (m, i, j); op; op = next)
1312 {
1131 next = op->above; 1313 next = op->above;
1132 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 1314 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1133 unique=1; 1315 unique = 1;
1134 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 1316 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1317 {
1135 clean_object(op); 1318 clean_object (op);
1136 if (QUERY_FLAG(op, FLAG_IS_LINKED)) 1319 if (QUERY_FLAG (op, FLAG_IS_LINKED))
1137 remove_button_link(op); 1320 remove_button_link (op);
1138 remove_ob(op); 1321 remove_ob (op);
1139 free_object(op); 1322 free_object (op);
1140 } 1323 }
1141 } 1324 }
1142 } 1325 }
1143} 1326}
1144 1327
1145 1328
1146/* 1329/*
1147 * Loads unique objects from file(s) into the map which is in memory 1330 * Loads unique objects from file(s) into the map which is in memory
1148 * m is the map to load unique items into. 1331 * m is the map to load unique items into.
1149 */ 1332 */
1150static void load_unique_objects(mapstruct *m) { 1333static void
1334load_unique_objects (maptile *m)
1335{
1151 int count; 1336 int count;
1152 char firstname[MAX_BUF]; 1337 char firstname[MAX_BUF];
1153 1338
1154 for (count=0; count<10; count++) { 1339 for (count = 0; count < 10; count++)
1340 {
1155 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count); 1341 sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1156 if (!access(firstname, R_OK)) break; 1342 if (!access (firstname, R_OK))
1343 break;
1157 } 1344 }
1158 /* If we get here, we did not find any map */ 1345 /* If we get here, we did not find any map */
1159 if (count==10) return; 1346 if (count == 10)
1347 return;
1160 1348
1161 object_thawer thawer (firstname); 1349 object_thawer thawer (firstname);
1162 1350
1163 if (!thawer) 1351 if (!thawer)
1164 return; 1352 return;
1165 1353
1166 m->in_memory=MAP_LOADING; 1354 m->in_memory = MAP_LOADING;
1167 if (m->tmpname == NULL) /* if we have loaded unique items from */ 1355 if (m->tmpname == NULL) /* if we have loaded unique items from */
1168 delete_unique_items(m); /* original map before, don't duplicate them */ 1356 delete_unique_items (m); /* original map before, don't duplicate them */
1169 load_objects (m, thawer, 0); 1357 load_objects (m, thawer, 0);
1170 1358
1171 m->in_memory=MAP_IN_MEMORY; 1359 m->in_memory = MAP_IN_MEMORY;
1172} 1360}
1173 1361
1174 1362
1175/* 1363/*
1176 * Saves a map to file. If flag is set, it is saved into the same 1364 * Saves a map to file. If flag is set, it is saved into the same
1177 * file it was (originally) loaded from. Otherwise a temporary 1365 * file it was (originally) loaded from. Otherwise a temporary
1178 * filename will be genarated, and the file will be stored there. 1366 * filename will be genarated, and the file will be stored there.
1179 * The temporary filename will be stored in the mapstructure. 1367 * The temporary filename will be stored in the maptileure.
1180 * If the map is unique, we also save to the filename in the map 1368 * If the map is unique, we also save to the filename in the map
1181 * (this should have been updated when first loaded) 1369 * (this should have been updated when first loaded)
1182 */ 1370 */
1183 1371
1184int 1372int
1185new_save_map (mapstruct * m, int flag) 1373new_save_map (maptile *m, int flag)
1186{ 1374{
1187 char filename[MAX_BUF], buf[MAX_BUF], buf_s[MAX_BUF], shop[MAX_BUF]; 1375 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1188 int i; 1376 int i;
1189 1377
1190 if (flag && !*m->path) 1378 if (flag && !*m->path)
1191 { 1379 {
1192 LOG (llevError, "Tried to save map without path.\n"); 1380 LOG (llevError, "Tried to save map without path.\n");
… …
1194 } 1382 }
1195 1383
1196 if (flag || (m->unique) || (m->templatemap)) 1384 if (flag || (m->unique) || (m->templatemap))
1197 { 1385 {
1198 if (!m->unique && !m->templatemap) 1386 if (!m->unique && !m->templatemap)
1199 { /* flag is set */ 1387 { /* flag is set */
1200 if (flag == 2) 1388 if (flag == 2)
1201 strcpy (filename, create_overlay_pathname (m->path)); 1389 strcpy (filename, create_overlay_pathname (m->path));
1202 else 1390 else
1203 strcpy (filename, create_pathname (m->path)); 1391 strcpy (filename, create_pathname (m->path));
1204 } 1392 }
… …
1318 sprintf (buf, "%s.v00", create_items_path (m->path)); 1506 sprintf (buf, "%s.v00", create_items_path (m->path));
1319 1507
1320 unique.save (buf); 1508 unique.save (buf);
1321 } 1509 }
1322 else 1510 else
1323 { /* save same file when not playing, like in editor */ 1511 { /* save same file when not playing, like in editor */
1324 save_objects (m, freezer, freezer, 0); 1512 save_objects (m, freezer, freezer, 0);
1325 } 1513 }
1326 1514
1327 freezer.save (filename); 1515 freezer.save (filename);
1328 1516
… …
1333/* 1521/*
1334 * Remove and free all objects in the inventory of the given object. 1522 * Remove and free all objects in the inventory of the given object.
1335 * object.c ? 1523 * object.c ?
1336 */ 1524 */
1337 1525
1526void
1338void clean_object(object *op) 1527clean_object (object *op)
1339{ 1528{
1340 object *tmp, *next; 1529 object *tmp, *next;
1341 1530
1342 for(tmp = op->inv; tmp; tmp = next) 1531 for (tmp = op->inv; tmp; tmp = next)
1343 { 1532 {
1344 next = tmp->below; 1533 next = tmp->below;
1345 clean_object(tmp); 1534 clean_object (tmp);
1346 if (QUERY_FLAG(tmp, FLAG_IS_LINKED)) 1535 if (QUERY_FLAG (tmp, FLAG_IS_LINKED))
1347 remove_button_link(tmp); 1536 remove_button_link (tmp);
1348 remove_ob(tmp); 1537 remove_ob (tmp);
1349 free_object(tmp); 1538 free_object (tmp);
1350 } 1539 }
1351} 1540}
1352 1541
1353/* 1542/*
1354 * Remove and free all objects in the given map. 1543 * Remove and free all objects in the given map.
1355 */ 1544 */
1356 1545
1546void
1357void free_all_objects(mapstruct *m) { 1547free_all_objects (maptile *m)
1548{
1358 int i,j; 1549 int i, j;
1359 object *op; 1550 object *op;
1360 1551
1361 for(i=0;i<MAP_WIDTH(m);i++) 1552 for (i = 0; i < MAP_WIDTH (m); i++)
1362 for(j=0;j<MAP_HEIGHT(m);j++) { 1553 for (j = 0; j < MAP_HEIGHT (m); j++)
1554 {
1363 object *previous_obj=NULL; 1555 object *previous_obj = NULL;
1556
1364 while((op=GET_MAP_OB(m,i,j))!=NULL) { 1557 while ((op = GET_MAP_OB (m, i, j)) != NULL)
1558 {
1365 if (op==previous_obj) { 1559 if (op == previous_obj)
1560 {
1366 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n"); 1561 LOG (llevDebug, "free_all_objects: Link error, bailing out.\n");
1367 break; 1562 break;
1368 } 1563 }
1369 previous_obj=op; 1564 previous_obj = op;
1370 if(op->head!=NULL) 1565 if (op->head != NULL)
1371 op = op->head; 1566 op = op->head;
1372 1567
1373 /* If the map isn't in memory, free_object will remove and 1568 /* If the map isn't in memory, free_object will remove and
1374 * free objects in op's inventory. So let it do the job. 1569 * free objects in op's inventory. So let it do the job.
1375 */ 1570 */
1376 if (m->in_memory==MAP_IN_MEMORY) 1571 if (m->in_memory == MAP_IN_MEMORY)
1377 clean_object(op); 1572 clean_object (op);
1378 remove_ob(op); 1573 remove_ob (op);
1379 free_object(op); 1574 free_object (op);
1380 } 1575 }
1381 } 1576 }
1382} 1577}
1383 1578
1384/* 1579/*
1385 * Frees everything allocated by the given mapstructure. 1580 * Frees everything allocated by the given maptileure.
1386 * don't free tmpname - our caller is left to do that 1581 * don't free tmpname - our caller is left to do that
1387 */ 1582 */
1388 1583
1584void
1389void free_map(mapstruct *m,int flag) { 1585free_map (maptile *m, int flag)
1586{
1390 int i; 1587 int i;
1391 1588
1392 if (!m->in_memory) { 1589 if (!m->in_memory)
1590 {
1393 LOG(llevError,"Trying to free freed map.\n"); 1591 LOG (llevError, "Trying to free freed map.\n");
1394 return; 1592 return;
1395 } 1593 }
1396 if (flag && m->spaces) free_all_objects(m); 1594 if (flag && m->spaces)
1595 free_all_objects (m);
1596 if (m->name)
1397 if (m->name) FREE_AND_CLEAR(m->name); 1597 FREE_AND_CLEAR (m->name);
1598 if (m->spaces)
1398 if (m->spaces) FREE_AND_CLEAR(m->spaces); 1599 FREE_AND_CLEAR (m->spaces);
1600 if (m->msg)
1399 if (m->msg) FREE_AND_CLEAR(m->msg); 1601 FREE_AND_CLEAR (m->msg);
1602 if (m->maplore)
1400 if (m->maplore) FREE_AND_CLEAR(m->maplore); 1603 FREE_AND_CLEAR (m->maplore);
1401 if (m->shopitems) FREE_AND_CLEAR(m->shopitems); 1604 if (m->shopitems)
1605 delete[]m->shopitems;
1606 m->shopitems = 0;
1607 if (m->shoprace)
1402 if (m->shoprace) FREE_AND_CLEAR(m->shoprace); 1608 FREE_AND_CLEAR (m->shoprace);
1403 if (m->buttons) 1609 if (m->buttons)
1404 free_objectlinkpt(m->buttons); 1610 free_objectlinkpt (m->buttons);
1405 m->buttons = NULL; 1611 m->buttons = NULL;
1406 for (i=0; i<4; i++) { 1612 for (i = 0; i < 4; i++)
1613 {
1614 if (m->tile_path[i])
1407 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]); 1615 FREE_AND_CLEAR (m->tile_path[i]);
1408 m->tile_map[i] = NULL; 1616 m->tile_map[i] = NULL;
1409 } 1617 }
1410 m->in_memory = MAP_SWAPPED; 1618 m->in_memory = MAP_SWAPPED;
1411} 1619}
1412 1620
1413/* 1621/*
1414 * function: vanish mapstruct 1622 * function: vanish maptile
1415 * m : pointer to mapstruct, if NULL no action 1623 * m : pointer to maptile, if NULL no action
1416 * this deletes all the data on the map (freeing pointers) 1624 * this deletes all the data on the map (freeing pointers)
1417 * and then removes this map from the global linked list of maps. 1625 * and then removes this map from the global linked list of maps.
1418 */ 1626 */
1419 1627
1420void delete_map(mapstruct *m) { 1628void
1629delete_map (maptile *m)
1630{
1421 mapstruct *tmp, *last; 1631 maptile *tmp, *last;
1422 int i; 1632 int i;
1423 1633
1424 if (!m) 1634 if (!m)
1425 return; 1635 return;
1426 1636
1427 m->clear (); 1637 m->clear ();
1428 1638
1429 if (m->in_memory == MAP_IN_MEMORY) { 1639 if (m->in_memory == MAP_IN_MEMORY)
1640 {
1430 /* change to MAP_SAVING, even though we are not, 1641 /* change to MAP_SAVING, even though we are not,
1431 * so that remove_ob doesn't do as much work. 1642 * so that remove_ob doesn't do as much work.
1643 */
1644 m->in_memory = MAP_SAVING;
1645 free_map (m, 1);
1646 }
1647 /* move this out of free_map, since tmpname can still be needed if
1648 * the map is swapped out.
1649 */
1650 if (m->tmpname)
1651 {
1652 free (m->tmpname);
1653 m->tmpname = NULL;
1654 }
1655 last = NULL;
1656 /* We need to look through all the maps and see if any maps
1657 * are pointing at this one for tiling information. Since
1658 * tiling can be assymetric, we just can not look to see which
1659 * maps this map tiles with and clears those.
1660 */
1661 for (tmp = first_map; tmp != NULL; tmp = tmp->next)
1662 {
1663 if (tmp->next == m)
1664 last = tmp;
1665
1666 /* This should hopefully get unrolled on a decent compiler */
1667 for (i = 0; i < 4; i++)
1668 if (tmp->tile_map[i] == m)
1669 tmp->tile_map[i] = NULL;
1670 }
1671
1672 /* If last is null, then this should be the first map in the list */
1673 if (!last)
1674 {
1675 if (m == first_map)
1676 first_map = m->next;
1677 else
1678 /* m->path is a static char, so should hopefully still have
1679 * some useful data in it.
1432 */ 1680 */
1433 m->in_memory = MAP_SAVING;
1434 free_map (m, 1);
1435 }
1436 /* move this out of free_map, since tmpname can still be needed if
1437 * the map is swapped out.
1438 */
1439 if (m->tmpname) {
1440 free(m->tmpname);
1441 m->tmpname=NULL;
1442 }
1443 last = NULL;
1444 /* We need to look through all the maps and see if any maps
1445 * are pointing at this one for tiling information. Since
1446 * tiling can be assymetric, we just can not look to see which
1447 * maps this map tiles with and clears those.
1448 */
1449 for (tmp = first_map; tmp != NULL; tmp = tmp->next) {
1450 if (tmp->next == m) last = tmp;
1451
1452 /* This should hopefully get unrolled on a decent compiler */
1453 for (i=0; i<4; i++)
1454 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL;
1455 }
1456
1457 /* If last is null, then this should be the first map in the list */
1458 if (!last) {
1459 if (m == first_map)
1460 first_map = m->next;
1461 else
1462 /* m->path is a static char, so should hopefully still have
1463 * some useful data in it.
1464 */
1465 LOG(llevError,"delete_map: Unable to find map %s in list\n", 1681 LOG (llevError, "delete_map: Unable to find map %s in list\n", m->path);
1466 m->path);
1467 } 1682 }
1468 else 1683 else
1469 last->next = m->next; 1684 last->next = m->next;
1470 1685
1471 delete m; 1686 delete m;
1472} 1687}
1473 1688
1474 1689
1475 1690
1476/* 1691/*
… …
1483 * dont do any more name translation on it. 1698 * dont do any more name translation on it.
1484 * 1699 *
1485 * Returns a pointer to the given map. 1700 * Returns a pointer to the given map.
1486 */ 1701 */
1487 1702
1703maptile *
1488mapstruct *ready_map_name(const char *name, int flags) { 1704ready_map_name (const char *name, int flags)
1489 mapstruct *m; 1705{
1706 maptile *m;
1490 1707
1491 if (!name) 1708 if (!name)
1492 return (NULL); 1709 return (NULL);
1493 1710
1494 /* Have we been at this level before? */ 1711 /* Have we been at this level before? */
1495 m = has_been_loaded (name); 1712 m = has_been_loaded (name);
1496 1713
1497 /* Map is good to go, so just return it */ 1714 /* Map is good to go, so just return it */
1498 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) { 1715 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1716 {
1499 return m; 1717 return m;
1500 } 1718 }
1501 1719
1502 /* unique maps always get loaded from their original location, and never 1720 /* unique maps always get loaded from their original location, and never
1503 * a temp location. Likewise, if map_flush is set, or we have never loaded 1721 * a temp location. Likewise, if map_flush is set, or we have never loaded
1504 * this map, load it now. I removed the reset checking from here - 1722 * this map, load it now. I removed the reset checking from here -
1505 * it seems the probability of a player trying to enter a map that should 1723 * it seems the probability of a player trying to enter a map that should
1506 * reset but hasn't yet is quite low, and removing that makes this function 1724 * reset but hasn't yet is quite low, and removing that makes this function
1507 * a bit cleaner (and players probably shouldn't rely on exact timing for 1725 * a bit cleaner (and players probably shouldn't rely on exact timing for
1508 * resets in any case - if they really care, they should use the 'maps command. 1726 * resets in any case - if they really care, they should use the 'maps command.
1509 */ 1727 */
1510 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) { 1728 if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1729 {
1511 1730
1512 /* first visit or time to reset */ 1731 /* first visit or time to reset */
1513 if (m) { 1732 if (m)
1733 {
1514 clean_tmp_map(m); /* Doesn't make much difference */ 1734 clean_tmp_map (m); /* Doesn't make much difference */
1515 delete_map(m); 1735 delete_map (m);
1516 } 1736 }
1517 1737
1518 /* create and load a map */ 1738 /* create and load a map */
1519 if (flags & MAP_PLAYER_UNIQUE) 1739 if (flags & MAP_PLAYER_UNIQUE)
1520 LOG(llevDebug, "Trying to load map %s.\n", name); 1740 LOG (llevDebug, "Trying to load map %s.\n", name);
1521 else 1741 else
1522 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name)); 1742 LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1523 1743
1524 //0.427459955215454 /var/crossfire/players/Saladon/_scorn_apartment_apartments
1525 //0.414906024932861
1526 //0.427063941955566
1527 eval_pv ("$x = Event::time", 1);//D 1744 //eval_pv ("$x = Event::time", 1);//D
1528 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE)))) 1745 if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1529 return (NULL); 1746 return (NULL);
1530 eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D 1747 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1531 1748
1532 fix_auto_apply(m); /* Chests which open as default */ 1749 fix_auto_apply (m); /* Chests which open as default */
1533 1750
1534 /* If a player unique map, no extra unique object file to load. 1751 /* If a player unique map, no extra unique object file to load.
1535 * if from the editor, likewise. 1752 * if from the editor, likewise.
1536 */ 1753 */
1537 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE))) 1754 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1538 load_unique_objects(m); 1755 load_unique_objects (m);
1539 1756
1540 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) { 1757 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1758 {
1541 m=load_overlay_map(name, m); 1759 m = load_overlay_map (name, m);
1542 if (m==NULL) 1760 if (m == NULL)
1543 return NULL; 1761 return NULL;
1544 } 1762 }
1545 1763
1546 if (flags & MAP_PLAYER_UNIQUE) 1764 if (flags & MAP_PLAYER_UNIQUE)
1547 INVOKE_MAP (SWAPIN, m); 1765 INVOKE_MAP (SWAPIN, m);
1548 1766
1549 } else { 1767 }
1768 else
1769 {
1550 /* If in this loop, we found a temporary map, so load it up. */ 1770 /* If in this loop, we found a temporary map, so load it up. */
1551 1771
1552 m=load_temporary_map (m); 1772 m = load_temporary_map (m);
1773 if (m == NULL)
1553 if(m==NULL) return NULL; 1774 return NULL;
1554 load_unique_objects(m); 1775 load_unique_objects (m);
1555 1776
1556 clean_tmp_map(m); 1777 clean_tmp_map (m);
1557 m->in_memory = MAP_IN_MEMORY; 1778 m->in_memory = MAP_IN_MEMORY;
1558 /* tempnam() on sun systems (probably others) uses malloc 1779 /* tempnam() on sun systems (probably others) uses malloc
1559 * to allocated space for the string. Free it here. 1780 * to allocated space for the string. Free it here.
1560 * In some cases, load_temporary_map above won't find the 1781 * In some cases, load_temporary_map above won't find the
1561 * temporary map, and so has reloaded a new map. If that 1782 * temporary map, and so has reloaded a new map. If that
1562 * is the case, tmpname is now null 1783 * is the case, tmpname is now null
1563 */ 1784 */
1564 if (m->tmpname) free(m->tmpname); 1785 if (m->tmpname)
1786 free (m->tmpname);
1565 m->tmpname = NULL; 1787 m->tmpname = NULL;
1566 /* It's going to be saved anew anyway */ 1788 /* It's going to be saved anew anyway */
1567 } 1789 }
1568 1790
1569 /* Below here is stuff common to both first time loaded maps and 1791 /* Below here is stuff common to both first time loaded maps and
1570 * temp maps. 1792 * temp maps.
1571 */ 1793 */
1572 1794
1573 decay_objects(m); /* start the decay */ 1795 decay_objects (m); /* start the decay */
1574 /* In case other objects press some buttons down */ 1796 /* In case other objects press some buttons down */
1575 update_buttons(m); 1797 update_buttons (m);
1576 if (m->outdoor) 1798 if (m->outdoor)
1577 set_darkness_map(m); 1799 set_darkness_map (m);
1578 /* run the weather over this map */ 1800 /* run the weather over this map */
1579 weather_effect(name); 1801 weather_effect (name);
1580 return m; 1802 return m;
1581} 1803}
1582 1804
1583 1805
1584/* 1806/*
1585 * This routine is supposed to find out the difficulty of the map. 1807 * This routine is supposed to find out the difficulty of the map.
… …
1590 * in the map is zero, then use this routine. Maps should really 1812 * in the map is zero, then use this routine. Maps should really
1591 * have a difficulty set than using this function - human calculation 1813 * have a difficulty set than using this function - human calculation
1592 * is much better than this functions guesswork. 1814 * is much better than this functions guesswork.
1593 */ 1815 */
1594 1816
1817int
1595int calculate_difficulty(mapstruct *m) { 1818calculate_difficulty (maptile *m)
1819{
1596 object *op; 1820 object *op;
1597 archetype *at; 1821 archetype *at;
1598 int x, y, i, diff; 1822 int x, y, i;
1599 long monster_cnt = 0; 1823 long monster_cnt = 0;
1600 double avgexp = 0; 1824 double avgexp = 0;
1601 sint64 total_exp = 0; 1825 sint64 total_exp = 0;
1602 1826
1603 if (MAP_DIFFICULTY (m)) 1827 if (MAP_DIFFICULTY (m))
1604 { 1828 {
1605 LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m)); 1829 LOG (llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1606 return MAP_DIFFICULTY (m); 1830 return MAP_DIFFICULTY (m);
1607 } 1831 }
1608 1832
1609 for(x = 0; x < MAP_WIDTH(m); x++) 1833 for (x = 0; x < MAP_WIDTH (m); x++)
1610 for(y = 0; y < MAP_HEIGHT(m); y++) 1834 for (y = 0; y < MAP_HEIGHT (m); y++)
1611 for(op = get_map_ob(m, x, y); op != NULL; op = op->above) 1835 for (op = get_map_ob (m, x, y); op != NULL; op = op->above)
1612 { 1836 {
1613 if(QUERY_FLAG (op, FLAG_MONSTER)) 1837 if (QUERY_FLAG (op, FLAG_MONSTER))
1614 { 1838 {
1615 total_exp += op->stats.exp; 1839 total_exp += op->stats.exp;
1616 monster_cnt++; 1840 monster_cnt++;
1617 } 1841 }
1618 1842
1619 if(QUERY_FLAG (op, FLAG_GENERATOR)) 1843 if (QUERY_FLAG (op, FLAG_GENERATOR))
1620 { 1844 {
1621 total_exp += op->stats.exp; 1845 total_exp += op->stats.exp;
1622 at = type_to_archetype(GENERATE_TYPE (op)); 1846 at = type_to_archetype (GENERATE_TYPE (op));
1623 1847
1624 if(at != NULL) 1848 if (at != NULL)
1625 total_exp += at->clone.stats.exp * 8; 1849 total_exp += at->clone.stats.exp * 8;
1626 1850
1627 monster_cnt++; 1851 monster_cnt++;
1628 } 1852 }
1629 } 1853 }
… …
1640 } 1864 }
1641 1865
1642 return 1; 1866 return 1;
1643} 1867}
1644 1868
1645void clean_tmp_map(mapstruct *m) { 1869void
1870clean_tmp_map (maptile *m)
1871{
1646 if(m->tmpname == NULL) 1872 if (m->tmpname == NULL)
1647 return; 1873 return;
1648 INVOKE_MAP (CLEAN, m); 1874 INVOKE_MAP (CLEAN, m);
1649 (void) unlink(m->tmpname); 1875 (void) unlink (m->tmpname);
1650} 1876}
1651 1877
1878void
1652void free_all_maps(void) 1879free_all_maps (void)
1653{ 1880{
1654 int real_maps=0; 1881 int real_maps = 0;
1655 1882
1656 while (first_map) { 1883 while (first_map)
1884 {
1657 /* I think some of the callers above before it gets here set this to be 1885 /* I think some of the callers above before it gets here set this to be
1658 * saving, but we still want to free this data 1886 * saving, but we still want to free this data
1659 */ 1887 */
1660 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY; 1888 if (first_map->in_memory == MAP_SAVING)
1889 first_map->in_memory = MAP_IN_MEMORY;
1661 delete_map(first_map); 1890 delete_map (first_map);
1662 real_maps++; 1891 real_maps++;
1663 } 1892 }
1664 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps); 1893 LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1665} 1894}
1666 1895
1667/* change_map_light() - used to change map light level (darkness) 1896/* change_map_light() - used to change map light level (darkness)
1668 * up or down. Returns true if successful. It should now be 1897 * up or down. Returns true if successful. It should now be
1669 * possible to change a value by more than 1. 1898 * possible to change a value by more than 1.
1670 * Move this from los.c to map.c since this is more related 1899 * Move this from los.c to map.c since this is more related
1671 * to maps than los. 1900 * to maps than los.
1672 * postive values make it darker, negative make it brighter 1901 * postive values make it darker, negative make it brighter
1673 */ 1902 */
1674 1903
1904int
1675int change_map_light(mapstruct *m, int change) { 1905change_map_light (maptile *m, int change)
1906{
1676 int new_level = m->darkness + change; 1907 int new_level = m->darkness + change;
1677 1908
1678 /* Nothing to do */ 1909 /* Nothing to do */
1679 if(!change || (new_level <= 0 && m->darkness == 0) || 1910 if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS))
1680 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) { 1911 {
1681 return 0; 1912 return 0;
1682 } 1913 }
1683 1914
1684 /* inform all players on the map */ 1915 /* inform all players on the map */
1685 if (change>0) 1916 if (change > 0)
1686 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 1917 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");
1687 else 1918 else
1688 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 1919 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");
1689 1920
1690 /* Do extra checking. since m->darkness is a unsigned value, 1921 /* Do extra checking. since m->darkness is a unsigned value,
1691 * we need to be extra careful about negative values. 1922 * we need to be extra careful about negative values.
1692 * In general, the checks below are only needed if change 1923 * In general, the checks below are only needed if change
1693 * is not +/-1 1924 * is not +/-1
1694 */ 1925 */
1695 if (new_level < 0) m->darkness = 0; 1926 if (new_level < 0)
1696 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS; 1927 m->darkness = 0;
1928 else if (new_level >= MAX_DARKNESS)
1929 m->darkness = MAX_DARKNESS;
1930 else
1697 else m->darkness=new_level; 1931 m->darkness = new_level;
1698 1932
1699 /* All clients need to get re-updated for the change */ 1933 /* All clients need to get re-updated for the change */
1700 update_all_map_los(m); 1934 update_all_map_los (m);
1701 return 1; 1935 return 1;
1702} 1936}
1703 1937
1704 1938
1705/* 1939/*
1706 * This function updates various attributes about a specific space 1940 * This function updates various attributes about a specific space
1707 * on the map (what it looks like, whether it blocks magic, 1941 * on the map (what it looks like, whether it blocks magic,
1708 * has a living creatures, prevents people from passing 1942 * has a living creatures, prevents people from passing
1709 * through, etc) 1943 * through, etc)
1710 */ 1944 */
1945void
1711void update_position (mapstruct *m, int x, int y) { 1946update_position (maptile *m, int x, int y)
1947{
1712 object *tmp, *last = NULL; 1948 object *tmp, *last = NULL;
1713 uint8 flags = 0, oldflags, light=0, anywhere=0; 1949 uint8 flags = 0, oldflags, light = 0, anywhere = 0;
1714 New_Face *top,*floor, *middle; 1950 New_Face *top, *floor, *middle;
1715 object *top_obj, *floor_obj, *middle_obj; 1951 object *top_obj, *floor_obj, *middle_obj;
1716 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1952 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1717 1953
1718 oldflags = GET_MAP_FLAGS(m,x,y); 1954 oldflags = GET_MAP_FLAGS (m, x, y);
1719 if (!(oldflags & P_NEED_UPDATE)) { 1955 if (!(oldflags & P_NEED_UPDATE))
1956 {
1720 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", 1957 LOG (llevDebug, "update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", m->path, x, y);
1721 m->path, x, y);
1722 return; 1958 return;
1723 } 1959 }
1724 1960
1725 middle=blank_face; 1961 middle = blank_face;
1726 top=blank_face; 1962 top = blank_face;
1727 floor=blank_face; 1963 floor = blank_face;
1728 1964
1729 middle_obj = NULL; 1965 middle_obj = NULL;
1730 top_obj = NULL; 1966 top_obj = NULL;
1731 floor_obj = NULL; 1967 floor_obj = NULL;
1732 1968
1733 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) { 1969 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above)
1970 {
1734 1971
1735 /* This could be made additive I guess (two lights better than 1972 /* This could be made additive I guess (two lights better than
1736 * one). But if so, it shouldn't be a simple additive - 2 1973 * one). But if so, it shouldn't be a simple additive - 2
1737 * light bulbs do not illuminate twice as far as once since 1974 * light bulbs do not illuminate twice as far as once since
1738 * it is a disapation factor that is squared (or is it cubed?) 1975 * it is a disapation factor that is squared (or is it cubed?)
1739 */ 1976 */
1740 if (tmp->glow_radius > light) light = tmp->glow_radius; 1977 if (tmp->glow_radius > light)
1978 light = tmp->glow_radius;
1741 1979
1742 /* This call is needed in order to update objects the player 1980 /* This call is needed in order to update objects the player
1743 * is standing in that have animations (ie, grass, fire, etc). 1981 * is standing in that have animations (ie, grass, fire, etc).
1744 * However, it also causes the look window to be re-drawn 1982 * However, it also causes the look window to be re-drawn
1745 * 3 times each time the player moves, because many of the 1983 * 3 times each time the player moves, because many of the
1746 * functions the move_player calls eventualy call this. 1984 * functions the move_player calls eventualy call this.
1747 * 1985 *
1748 * Always put the player down for drawing. 1986 * Always put the player down for drawing.
1749 */ 1987 */
1750 if (!tmp->invisible) { 1988 if (!tmp->invisible)
1989 {
1751 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1990 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1991 {
1752 top = tmp->face; 1992 top = tmp->face;
1753 top_obj = tmp; 1993 top_obj = tmp;
1754 } 1994 }
1755 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1995 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1996 {
1756 /* If we got a floor, that means middle and top were below it, 1997 /* If we got a floor, that means middle and top were below it,
1757 * so should not be visible, so we clear them. 1998 * so should not be visible, so we clear them.
1758 */ 1999 */
1759 middle=blank_face; 2000 middle = blank_face;
1760 top=blank_face; 2001 top = blank_face;
1761 floor = tmp->face; 2002 floor = tmp->face;
1762 floor_obj = tmp; 2003 floor_obj = tmp;
1763 } 2004 }
1764 /* Flag anywhere have high priority */ 2005 /* Flag anywhere have high priority */
1765 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 2006 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
2007 {
1766 middle = tmp->face; 2008 middle = tmp->face;
1767 2009
1768 middle_obj = tmp; 2010 middle_obj = tmp;
1769 anywhere =1; 2011 anywhere = 1;
1770 } 2012 }
1771 /* Find the highest visible face around. If equal 2013 /* Find the highest visible face around. If equal
1772 * visibilities, we still want the one nearer to the 2014 * visibilities, we still want the one nearer to the
1773 * top 2015 * top
1774 */ 2016 */
1775 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) { 2017 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere))
2018 {
1776 middle = tmp->face; 2019 middle = tmp->face;
1777 middle_obj = tmp; 2020 middle_obj = tmp;
1778 } 2021 }
1779 } 2022 }
1780 if (tmp==tmp->above) { 2023 if (tmp == tmp->above)
2024 {
1781 LOG(llevError, "Error in structure of map\n"); 2025 LOG (llevError, "Error in structure of map\n");
1782 exit (-1); 2026 exit (-1);
1783 }
1784 2027 }
2028
1785 move_slow |= tmp->move_slow; 2029 move_slow |= tmp->move_slow;
1786 move_block |= tmp->move_block; 2030 move_block |= tmp->move_block;
1787 move_on |= tmp->move_on; 2031 move_on |= tmp->move_on;
1788 move_off |= tmp->move_off; 2032 move_off |= tmp->move_off;
1789 move_allow |= tmp->move_allow; 2033 move_allow |= tmp->move_allow;
1790 2034
1791 if (QUERY_FLAG(tmp,FLAG_ALIVE)) 2035 if (QUERY_FLAG (tmp, FLAG_ALIVE))
1792 flags |= P_IS_ALIVE; 2036 flags |= P_IS_ALIVE;
1793 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC)) 2037 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC))
1794 flags |= P_NO_MAGIC; 2038 flags |= P_NO_MAGIC;
1795 if (QUERY_FLAG(tmp,FLAG_DAMNED)) 2039 if (QUERY_FLAG (tmp, FLAG_DAMNED))
1796 flags |= P_NO_CLERIC; 2040 flags |= P_NO_CLERIC;
1797 if (tmp->type == SAFE_GROUND) 2041 if (tmp->type == SAFE_GROUND)
1798 flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC; 2042 flags |= P_SAFE;
1799 2043
1800 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW)) 2044 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW))
1801 flags |= P_BLOCKSVIEW; 2045 flags |= P_BLOCKSVIEW;
1802 } /* for stack of objects */ 2046 } /* for stack of objects */
1803 2047
1804 /* we don't want to rely on this function to have accurate flags, but 2048 /* we don't want to rely on this function to have accurate flags, but
1805 * since we're already doing the work, we calculate them here. 2049 * since we're already doing the work, we calculate them here.
1806 * if they don't match, logic is broken someplace. 2050 * if they don't match, logic is broken someplace.
1807 */ 2051 */
1808 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) && 2052 if (((oldflags & ~(P_NEED_UPDATE | P_NO_ERROR)) != flags) && (!(oldflags & P_NO_ERROR)))
1809 (!(oldflags & P_NO_ERROR))) { 2053 {
1810 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n", 2054 LOG (llevDebug, "update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1811 m->path, x, y,
1812 (oldflags & ~P_NEED_UPDATE), flags); 2055 m->path, x, y, (oldflags & ~P_NEED_UPDATE), flags);
1813 } 2056 }
1814 SET_MAP_FLAGS(m, x, y, flags); 2057 SET_MAP_FLAGS (m, x, y, flags);
1815 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow); 2058 SET_MAP_MOVE_BLOCK (m, x, y, move_block & ~move_allow);
1816 SET_MAP_MOVE_ON(m, x, y, move_on); 2059 SET_MAP_MOVE_ON (m, x, y, move_on);
1817 SET_MAP_MOVE_OFF(m, x, y, move_off); 2060 SET_MAP_MOVE_OFF (m, x, y, move_off);
1818 SET_MAP_MOVE_SLOW(m, x, y, move_slow); 2061 SET_MAP_MOVE_SLOW (m, x, y, move_slow);
1819 2062
1820 /* At this point, we have a floor face (if there is a floor), 2063 /* At this point, we have a floor face (if there is a floor),
1821 * and the floor is set - we are not going to touch it at 2064 * and the floor is set - we are not going to touch it at
1822 * this point. 2065 * this point.
1823 * middle contains the highest visibility face. 2066 * middle contains the highest visibility face.
1824 * top contains a player/monster face, if there is one. 2067 * top contains a player/monster face, if there is one.
1825 * 2068 *
1826 * We now need to fill in top.face and/or middle.face. 2069 * We now need to fill in top.face and/or middle.face.
1827 */ 2070 */
1828 2071
1829 /* If the top face also happens to be high visibility, re-do our 2072 /* If the top face also happens to be high visibility, re-do our
1830 * middle face. This should not happen, as we already have the 2073 * middle face. This should not happen, as we already have the
1831 * else statement above so middle should not get set. OTOH, it 2074 * else statement above so middle should not get set. OTOH, it
1832 * may be possible for the faces to match but be different objects. 2075 * may be possible for the faces to match but be different objects.
1833 */ 2076 */
1834 if (top == middle) middle=blank_face; 2077 if (top == middle)
2078 middle = blank_face;
1835 2079
1836 /* There are three posibilities at this point: 2080 /* There are three posibilities at this point:
1837 * 1) top face is set, need middle to be set. 2081 * 1) top face is set, need middle to be set.
1838 * 2) middle is set, need to set top. 2082 * 2) middle is set, need to set top.
1839 * 3) neither middle or top is set - need to set both. 2083 * 3) neither middle or top is set - need to set both.
1840 */ 2084 */
1841 2085
1842 for (tmp=last; tmp; tmp=tmp->below) { 2086 for (tmp = last; tmp; tmp = tmp->below)
2087 {
1843 /* Once we get to a floor, stop, since we already have a floor object */ 2088 /* Once we get to a floor, stop, since we already have a floor object */
1844 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break; 2089 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2090 break;
1845 2091
1846 /* If two top faces are already set, quit processing */ 2092 /* If two top faces are already set, quit processing */
1847 if ((top != blank_face) && (middle != blank_face)) break; 2093 if ((top != blank_face) && (middle != blank_face))
2094 break;
1848 2095
1849 /* Only show visible faces, unless its the editor - show all */ 2096 /* Only show visible faces, unless its the editor - show all */
1850 if (!tmp->invisible || editor) { 2097 if (!tmp->invisible || editor)
2098 {
1851 /* Fill in top if needed */ 2099 /* Fill in top if needed */
1852 if (top == blank_face) { 2100 if (top == blank_face)
2101 {
1853 top = tmp->face; 2102 top = tmp->face;
1854 top_obj = tmp; 2103 top_obj = tmp;
2104 if (top == middle)
1855 if (top == middle) middle=blank_face; 2105 middle = blank_face;
2106 }
1856 } else { 2107 else
2108 {
1857 /* top is already set - we should only get here if 2109 /* top is already set - we should only get here if
1858 * middle is not set 2110 * middle is not set
1859 * 2111 *
1860 * Set the middle face and break out, since there is nothing 2112 * Set the middle face and break out, since there is nothing
1861 * more to fill in. We don't check visiblity here, since 2113 * more to fill in. We don't check visiblity here, since
1862 * 2114 *
1863 */ 2115 */
1864 if (tmp->face != top ) { 2116 if (tmp->face != top)
2117 {
1865 middle = tmp->face; 2118 middle = tmp->face;
1866 middle_obj = tmp; 2119 middle_obj = tmp;
1867 break; 2120 break;
1868 } 2121 }
1869 } 2122 }
1870 } 2123 }
1871 } 2124 }
1872 if (middle == floor) middle = blank_face; 2125 if (middle == floor)
1873 if (top == middle) middle = blank_face; 2126 middle = blank_face;
2127 if (top == middle)
2128 middle = blank_face;
1874 SET_MAP_FACE(m,x,y,top,0); 2129 SET_MAP_FACE (m, x, y, top, 0);
1875 if(top != blank_face) 2130 if (top != blank_face)
1876 SET_MAP_FACE_OBJ(m,x,y,top_obj,0); 2131 SET_MAP_FACE_OBJ (m, x, y, top_obj, 0);
1877 else 2132 else
1878 SET_MAP_FACE_OBJ(m,x,y,NULL,0); 2133 SET_MAP_FACE_OBJ (m, x, y, NULL, 0);
1879 SET_MAP_FACE(m,x,y,middle,1); 2134 SET_MAP_FACE (m, x, y, middle, 1);
1880 if(middle != blank_face) 2135 if (middle != blank_face)
1881 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1); 2136 SET_MAP_FACE_OBJ (m, x, y, middle_obj, 1);
1882 else 2137 else
1883 SET_MAP_FACE_OBJ(m,x,y,NULL,1); 2138 SET_MAP_FACE_OBJ (m, x, y, NULL, 1);
1884 SET_MAP_FACE(m,x,y,floor,2); 2139 SET_MAP_FACE (m, x, y, floor, 2);
1885 if(floor != blank_face) 2140 if (floor != blank_face)
1886 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2); 2141 SET_MAP_FACE_OBJ (m, x, y, floor_obj, 2);
1887 else 2142 else
1888 SET_MAP_FACE_OBJ(m,x,y,NULL,2); 2143 SET_MAP_FACE_OBJ (m, x, y, NULL, 2);
1889 SET_MAP_LIGHT(m,x,y,light); 2144 SET_MAP_LIGHT (m, x, y, light);
1890} 2145}
1891 2146
1892 2147
2148void
1893void set_map_reset_time(mapstruct *map) { 2149set_map_reset_time (maptile *map)
2150{
1894 int timeout; 2151 int timeout;
1895 2152
1896 timeout = MAP_RESET_TIMEOUT(map); 2153 timeout = MAP_RESET_TIMEOUT (map);
1897 if (timeout <= 0) 2154 if (timeout <= 0)
1898 timeout = MAP_DEFAULTRESET; 2155 timeout = MAP_DEFAULTRESET;
1899 if (timeout >= MAP_MAXRESET) 2156 if (timeout >= MAP_MAXRESET)
1900 timeout = MAP_MAXRESET; 2157 timeout = MAP_MAXRESET;
1901 MAP_WHEN_RESET(map) = seconds()+timeout; 2158 MAP_WHEN_RESET (map) = seconds () + timeout;
1902} 2159}
1903 2160
1904/* this updates the orig_map->tile_map[tile_num] value after loading 2161/* this updates the orig_map->tile_map[tile_num] value after loading
1905 * the map. It also takes care of linking back the freshly loaded 2162 * the map. It also takes care of linking back the freshly loaded
1906 * maps tile_map values if it tiles back to this one. It returns 2163 * maps tile_map values if it tiles back to this one. It returns
1907 * the value of orig_map->tile_map[tile_num]. It really only does this 2164 * the value of orig_map->tile_map[tile_num]. It really only does this
1908 * so that it is easier for calling functions to verify success. 2165 * so that it is easier for calling functions to verify success.
1909 */ 2166 */
1910 2167
2168static maptile *
1911static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) 2169load_and_link_tiled_map (maptile *orig_map, int tile_num)
1912{ 2170{
1913 int dest_tile = (tile_num +2) % 4; 2171 int dest_tile = (tile_num + 2) % 4;
1914 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]); 2172 char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
1915 2173
1916 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 2174 orig_map->tile_map[tile_num] = ready_map_name (path, 0);
1917 2175
1918 /* need to do a strcmp here as the orig_map->path is not a shared string */ 2176 /* need to do a strcmp here as the orig_map->path is not a shared string */
1919 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 2177 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && !strcmp (orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path))
1920 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path))
1921 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 2178 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1922 2179
1923 return orig_map->tile_map[tile_num]; 2180 return orig_map->tile_map[tile_num];
1924} 2181}
1925 2182
1926/* this returns TRUE if the coordinates (x,y) are out of 2183/* this returns TRUE if the coordinates (x,y) are out of
1927 * map m. This function also takes into account any 2184 * map m. This function also takes into account any
1928 * tiling considerations, loading adjacant maps as needed. 2185 * tiling considerations, loading adjacant maps as needed.
… …
1931 * This function will recursively call itself for the 2188 * This function will recursively call itself for the
1932 * tiled maps. 2189 * tiled maps.
1933 * 2190 *
1934 * 2191 *
1935 */ 2192 */
2193int
1936int out_of_map(mapstruct *m, int x, int y) 2194out_of_map (maptile *m, int x, int y)
1937{ 2195{
1938 2196
1939 /* If we get passed a null map, this is obviously the 2197 /* If we get passed a null map, this is obviously the
1940 * case. This generally shouldn't happen, but if the 2198 * case. This generally shouldn't happen, but if the
1941 * map loads fail below, it could happen. 2199 * map loads fail below, it could happen.
1942 */ 2200 */
1943 if (!m) return 0; 2201 if (!m)
1944
1945 if (x<0) {
1946 if (!m->tile_path[3]) return 1;
1947 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1948 load_and_link_tiled_map(m, 3);
1949 }
1950 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1951 }
1952 if (x>=MAP_WIDTH(m)) {
1953 if (!m->tile_path[1]) return 1;
1954 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1955 load_and_link_tiled_map(m, 1);
1956 }
1957 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1958 }
1959 if (y<0) {
1960 if (!m->tile_path[0]) return 1;
1961 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1962 load_and_link_tiled_map(m, 0);
1963 }
1964 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1965 }
1966 if (y>=MAP_HEIGHT(m)) {
1967 if (!m->tile_path[2]) return 1;
1968 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
1969 load_and_link_tiled_map(m, 2);
1970 }
1971 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
1972 }
1973
1974 /* Simple case - coordinates are within this local
1975 * map.
1976 */
1977 return 0; 2202 return 0;
2203
2204 if (x < 0)
2205 {
2206 if (!m->tile_path[3])
2207 return 1;
2208 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2209 {
2210 load_and_link_tiled_map (m, 3);
2211 }
2212 return (out_of_map (m->tile_map[3], x + MAP_WIDTH (m->tile_map[3]), y));
2213 }
2214 if (x >= MAP_WIDTH (m))
2215 {
2216 if (!m->tile_path[1])
2217 return 1;
2218 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2219 {
2220 load_and_link_tiled_map (m, 1);
2221 }
2222 return (out_of_map (m->tile_map[1], x - MAP_WIDTH (m), y));
2223 }
2224 if (y < 0)
2225 {
2226 if (!m->tile_path[0])
2227 return 1;
2228 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2229 {
2230 load_and_link_tiled_map (m, 0);
2231 }
2232 return (out_of_map (m->tile_map[0], x, y + MAP_HEIGHT (m->tile_map[0])));
2233 }
2234 if (y >= MAP_HEIGHT (m))
2235 {
2236 if (!m->tile_path[2])
2237 return 1;
2238 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2239 {
2240 load_and_link_tiled_map (m, 2);
2241 }
2242 return (out_of_map (m->tile_map[2], x, y - MAP_HEIGHT (m)));
2243 }
2244
2245 /* Simple case - coordinates are within this local
2246 * map.
2247 */
2248 return 0;
1978} 2249}
1979 2250
1980/* This is basically the same as out_of_map above, but 2251/* This is basically the same as out_of_map above, but
1981 * instead we return NULL if no map is valid (coordinates 2252 * instead we return NULL if no map is valid (coordinates
1982 * out of bounds and no tiled map), otherwise it returns 2253 * out of bounds and no tiled map), otherwise it returns
1983 * the map as that the coordinates are really on, and 2254 * the map as that the coordinates are really on, and
1984 * updates x and y to be the localized coordinates. 2255 * updates x and y to be the localized coordinates.
1985 * Using this is more efficient of calling out_of_map 2256 * Using this is more efficient of calling out_of_map
1986 * and then figuring out what the real map is 2257 * and then figuring out what the real map is
1987 */ 2258 */
2259maptile *
1988mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 2260get_map_from_coord (maptile *m, sint16 * x, sint16 * y)
1989{ 2261{
1990 2262
1991 if (*x<0) { 2263 if (*x < 0)
2264 {
1992 if (!m->tile_path[3]) return NULL; 2265 if (!m->tile_path[3])
2266 return NULL;
1993 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 2267 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1994 load_and_link_tiled_map(m, 3); 2268 load_and_link_tiled_map (m, 3);
1995 2269
1996 *x += MAP_WIDTH(m->tile_map[3]); 2270 *x += MAP_WIDTH (m->tile_map[3]);
1997 return (get_map_from_coord(m->tile_map[3], x, y)); 2271 return (get_map_from_coord (m->tile_map[3], x, y));
1998 } 2272 }
1999 if (*x>=MAP_WIDTH(m)) { 2273 if (*x >= MAP_WIDTH (m))
2274 {
2000 if (!m->tile_path[1]) return NULL; 2275 if (!m->tile_path[1])
2276 return NULL;
2001 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 2277 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2002 load_and_link_tiled_map(m, 1); 2278 load_and_link_tiled_map (m, 1);
2003 2279
2004 *x -= MAP_WIDTH(m); 2280 *x -= MAP_WIDTH (m);
2005 return (get_map_from_coord(m->tile_map[1], x, y)); 2281 return (get_map_from_coord (m->tile_map[1], x, y));
2282 }
2283 if (*y < 0)
2006 } 2284 {
2007 if (*y<0) {
2008 if (!m->tile_path[0]) return NULL; 2285 if (!m->tile_path[0])
2286 return NULL;
2009 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 2287 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2010 load_and_link_tiled_map(m, 0); 2288 load_and_link_tiled_map (m, 0);
2011 2289
2012 *y += MAP_HEIGHT(m->tile_map[0]); 2290 *y += MAP_HEIGHT (m->tile_map[0]);
2013 return (get_map_from_coord(m->tile_map[0], x, y)); 2291 return (get_map_from_coord (m->tile_map[0], x, y));
2014 } 2292 }
2015 if (*y>=MAP_HEIGHT(m)) { 2293 if (*y >= MAP_HEIGHT (m))
2294 {
2016 if (!m->tile_path[2]) return NULL; 2295 if (!m->tile_path[2])
2296 return NULL;
2017 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 2297 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2018 load_and_link_tiled_map(m, 2); 2298 load_and_link_tiled_map (m, 2);
2019 2299
2020 *y -= MAP_HEIGHT(m); 2300 *y -= MAP_HEIGHT (m);
2021 return (get_map_from_coord(m->tile_map[2], x, y)); 2301 return (get_map_from_coord (m->tile_map[2], x, y));
2022 } 2302 }
2023 2303
2024 /* Simple case - coordinates are within this local 2304 /* Simple case - coordinates are within this local
2025 * map. 2305 * map.
2026 */ 2306 */
2027 2307
2028 return m; 2308 return m;
2029} 2309}
2030 2310
2031/** 2311/**
2032 * Return whether map2 is adjacent to map1. If so, store the distance from 2312 * Return whether map2 is adjacent to map1. If so, store the distance from
2033 * map1 to map2 in dx/dy. 2313 * map1 to map2 in dx/dy.
2034 */ 2314 */
2315static int
2035static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 2316adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2317{
2036 if (!map1 || !map2) 2318 if (!map1 || !map2)
2037 return 0; 2319 return 0;
2038 2320
2039 if (map1 == map2) { 2321 if (map1 == map2)
2322 {
2040 *dx = 0; 2323 *dx = 0;
2041 *dy = 0; 2324 *dy = 0;
2042 2325
2326 }
2043 } else if (map1->tile_map[0] == map2) { /* up */ 2327 else if (map1->tile_map[0] == map2)
2328 { /* up */
2044 *dx = 0; 2329 *dx = 0;
2045 *dy = -MAP_HEIGHT(map2); 2330 *dy = -MAP_HEIGHT (map2);
2331 }
2046 } else if (map1->tile_map[1] == map2) { /* right */ 2332 else if (map1->tile_map[1] == map2)
2333 { /* right */
2047 *dx = MAP_WIDTH(map1); 2334 *dx = MAP_WIDTH (map1);
2048 *dy = 0; 2335 *dy = 0;
2336 }
2049 } else if (map1->tile_map[2] == map2) { /* down */ 2337 else if (map1->tile_map[2] == map2)
2338 { /* down */
2050 *dx = 0; 2339 *dx = 0;
2051 *dy = MAP_HEIGHT(map1); 2340 *dy = MAP_HEIGHT (map1);
2341 }
2052 } else if (map1->tile_map[3] == map2) { /* left */ 2342 else if (map1->tile_map[3] == map2)
2343 { /* left */
2053 *dx = -MAP_WIDTH(map2); 2344 *dx = -MAP_WIDTH (map2);
2054 *dy = 0; 2345 *dy = 0;
2055 2346
2347 }
2056 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ 2348 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2349 { /* up right */
2057 *dx = MAP_WIDTH(map1->tile_map[0]); 2350 *dx = MAP_WIDTH (map1->tile_map[0]);
2058 *dy = -MAP_HEIGHT(map1->tile_map[0]); 2351 *dy = -MAP_HEIGHT (map1->tile_map[0]);
2352 }
2059 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ 2353 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2354 { /* up left */
2060 *dx = -MAP_WIDTH(map2); 2355 *dx = -MAP_WIDTH (map2);
2061 *dy = -MAP_HEIGHT(map1->tile_map[0]); 2356 *dy = -MAP_HEIGHT (map1->tile_map[0]);
2357 }
2062 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ 2358 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2359 { /* right up */
2063 *dx = MAP_WIDTH(map1); 2360 *dx = MAP_WIDTH (map1);
2064 *dy = -MAP_HEIGHT(map2); 2361 *dy = -MAP_HEIGHT (map2);
2362 }
2065 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ 2363 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2364 { /* right down */
2066 *dx = MAP_WIDTH(map1); 2365 *dx = MAP_WIDTH (map1);
2067 *dy = MAP_HEIGHT(map1->tile_map[1]); 2366 *dy = MAP_HEIGHT (map1->tile_map[1]);
2367 }
2068 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ 2368 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2369 { /* down right */
2069 *dx = MAP_WIDTH(map1->tile_map[2]); 2370 *dx = MAP_WIDTH (map1->tile_map[2]);
2070 *dy = MAP_HEIGHT(map1); 2371 *dy = MAP_HEIGHT (map1);
2372 }
2071 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ 2373 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2374 { /* down left */
2072 *dx = -MAP_WIDTH(map2); 2375 *dx = -MAP_WIDTH (map2);
2073 *dy = MAP_HEIGHT(map1); 2376 *dy = MAP_HEIGHT (map1);
2377 }
2074 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ 2378 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2379 { /* left up */
2075 *dx = -MAP_WIDTH(map1->tile_map[3]); 2380 *dx = -MAP_WIDTH (map1->tile_map[3]);
2076 *dy = -MAP_HEIGHT(map2); 2381 *dy = -MAP_HEIGHT (map2);
2382 }
2077 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ 2383 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2384 { /* left down */
2078 *dx = -MAP_WIDTH(map1->tile_map[3]); 2385 *dx = -MAP_WIDTH (map1->tile_map[3]);
2079 *dy = MAP_HEIGHT(map1->tile_map[3]); 2386 *dy = MAP_HEIGHT (map1->tile_map[3]);
2080 2387
2081 } else { /* not "adjacent" enough */ 2388 }
2389 else
2390 { /* not "adjacent" enough */
2082 return 0; 2391 return 0;
2083 } 2392 }
2084 2393
2085 return 1; 2394 return 1;
2086} 2395}
2087 2396
2088/* From map.c 2397/* From map.c
2089 * This is used by get_player to determine where the other 2398 * This is used by get_player to determine where the other
2090 * creature is. get_rangevector takes into account map tiling, 2399 * creature is. get_rangevector takes into account map tiling,
… …
2104 * 2413 *
2105 * currently, the only flag supported (0x1) is don't translate for 2414 * currently, the only flag supported (0x1) is don't translate for
2106 * closest body part of 'op1' 2415 * closest body part of 'op1'
2107 */ 2416 */
2108 2417
2418void
2109void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 2419get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2420{
2110 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 2421 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2422 {
2111 /* be conservative and fill in _some_ data */ 2423 /* be conservative and fill in _some_ data */
2112 retval->distance = 100000; 2424 retval->distance = 100000;
2113 retval->distance_x = 32767; 2425 retval->distance_x = 32767;
2114 retval->distance_y = 32767; 2426 retval->distance_y = 32767;
2115 retval->direction = 0; 2427 retval->direction = 0;
2116 retval->part = 0; 2428 retval->part = 0;
2117 } else { 2429 }
2430 else
2431 {
2118 object *best; 2432 object *best;
2119 2433
2120 retval->distance_x += op2->x-op1->x; 2434 retval->distance_x += op2->x - op1->x;
2121 retval->distance_y += op2->y-op1->y; 2435 retval->distance_y += op2->y - op1->y;
2122 2436
2123 best = op1; 2437 best = op1;
2124 /* If this is multipart, find the closest part now */ 2438 /* If this is multipart, find the closest part now */
2125 if (!(flags&0x1) && op1->more) { 2439 if (!(flags & 0x1) && op1->more)
2440 {
2126 object *tmp; 2441 object *tmp;
2127 int best_distance = retval->distance_x*retval->distance_x+ 2442 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2128 retval->distance_y*retval->distance_y, tmpi;
2129 2443
2130 /* we just take the offset of the piece to head to figure 2444 /* we just take the offset of the piece to head to figure
2131 * distance instead of doing all that work above again 2445 * distance instead of doing all that work above again
2132 * since the distance fields we set above are positive in the 2446 * since the distance fields we set above are positive in the
2133 * same axis as is used for multipart objects, the simply arithmetic 2447 * same axis as is used for multipart objects, the simply arithmetic
2134 * below works. 2448 * below works.
2135 */ 2449 */
2136 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 2450 for (tmp = op1->more; tmp != NULL; tmp = tmp->more)
2451 {
2137 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 2452 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2138 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 2453 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2139 if (tmpi < best_distance) { 2454 if (tmpi < best_distance)
2455 {
2140 best_distance = tmpi; 2456 best_distance = tmpi;
2141 best = tmp; 2457 best = tmp;
2142 } 2458 }
2143 } 2459 }
2144 if (best != op1) { 2460 if (best != op1)
2461 {
2145 retval->distance_x += op1->x-best->x; 2462 retval->distance_x += op1->x - best->x;
2146 retval->distance_y += op1->y-best->y; 2463 retval->distance_y += op1->y - best->y;
2147 } 2464 }
2148 } 2465 }
2149 retval->part = best; 2466 retval->part = best;
2150 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 2467 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);
2151 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 2468 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2152 } 2469 }
2153} 2470}
2154 2471
2155/* this is basically the same as get_rangevector above, but instead of 2472/* this is basically the same as get_rangevector above, but instead of
2156 * the first parameter being an object, it instead is the map 2473 * the first parameter being an object, it instead is the map
… …
2161 * be more consistant with the above function and also in case they are needed 2478 * be more consistant with the above function and also in case they are needed
2162 * for something in the future. Also, since no object is pasted, the best 2479 * for something in the future. Also, since no object is pasted, the best
2163 * field of the rv_vector is set to NULL. 2480 * field of the rv_vector is set to NULL.
2164 */ 2481 */
2165 2482
2483void
2166void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 2484get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags)
2485{
2167 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 2486 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
2487 {
2168 /* be conservative and fill in _some_ data */ 2488 /* be conservative and fill in _some_ data */
2169 retval->distance = 100000; 2489 retval->distance = 100000;
2170 retval->distance_x = 32767; 2490 retval->distance_x = 32767;
2171 retval->distance_y = 32767; 2491 retval->distance_y = 32767;
2172 retval->direction = 0; 2492 retval->direction = 0;
2173 retval->part = 0; 2493 retval->part = 0;
2174 } else { 2494 }
2495 else
2496 {
2175 retval->distance_x += op2->x-x; 2497 retval->distance_x += op2->x - x;
2176 retval->distance_y += op2->y-y; 2498 retval->distance_y += op2->y - y;
2177 2499
2178 retval->part = NULL; 2500 retval->part = NULL;
2179 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 2501 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);
2180 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 2502 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2181 } 2503 }
2182} 2504}
2183 2505
2184/* Returns true of op1 and op2 are effectively on the same map 2506/* Returns true of op1 and op2 are effectively on the same map
2185 * (as related to map tiling). Note that this looks for a path from 2507 * (as related to map tiling). Note that this looks for a path from
… …
2187 * to op1, this will still return false. 2509 * to op1, this will still return false.
2188 * Note we only look one map out to keep the processing simple 2510 * Note we only look one map out to keep the processing simple
2189 * and efficient. This could probably be a macro. 2511 * and efficient. This could probably be a macro.
2190 * MSW 2001-08-05 2512 * MSW 2001-08-05
2191 */ 2513 */
2514int
2192int on_same_map(const object *op1, const object *op2) { 2515on_same_map (const object *op1, const object *op2)
2516{
2193 int dx, dy; 2517 int dx, dy;
2194 2518
2195 return adjacent_map(op1->map, op2->map, &dx, &dy); 2519 return adjacent_map (op1->map, op2->map, &dx, &dy);
2196} 2520}

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