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Comparing deliantra/server/common/map.C (file contents):
Revision 1.27 by root, Fri Sep 8 12:56:42 2006 UTC vs.
Revision 1.50 by root, Mon Dec 25 15:28:35 2006 UTC

1/*
2 * static char *rcsid_map_c =
3 * "$Id: map.C,v 1.27 2006/09/08 12:56:42 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 */
35#include <unistd.h> 29#include <unistd.h>
36#endif /* win32 */
37 30
38#include "path.h" 31#include "path.h"
39 32
40
41extern int nrofallocobjects,nroffreeobjects;
42
43/* 33/*
44 * Returns the mapstruct which has a name matching the given argument. 34 * Returns the maptile which has a name matching the given argument.
45 * return NULL if no match is found. 35 * return NULL if no match is found.
46 */ 36 */
47 37maptile *
48mapstruct *has_been_loaded (const char *name) { 38has_been_loaded (const char *name)
49 mapstruct *map; 39{
40 maptile *map;
50 41
51 if (!name || !*name) 42 if (!name || !*name)
52 return 0; 43 return 0;
44
53 for (map = first_map; map; map = map->next) 45 for (map = first_map; map; map = map->next)
54 if (!strcmp (name, map->path)) 46 if (!strcmp (name, map->path))
55 break; 47 break;
48
56 return (map); 49 return (map);
57} 50}
58 51
59/* 52/*
60 * This makes a path absolute outside the world of Crossfire. 53 * This makes a path absolute outside the world of Crossfire.
61 * In other words, it prepends LIBDIR/MAPDIR/ to the given path 54 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
62 * and returns the pointer to a static array containing the result. 55 * and returns the pointer to a static array containing the result.
63 * it really should be called create_mapname 56 * it really should be called create_mapname
64 */ 57 */
65 58
59const char *
66const char *create_pathname (const char *name) { 60create_pathname (const char *name)
61{
67 static char buf[MAX_BUF]; 62 static char buf[MAX_BUF];
68 63
69 /* Why? having extra / doesn't confuse unix anyplace? Dependancies 64 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
70 * someplace else in the code? msw 2-17-97 65 * someplace else in the code? msw 2-17-97
71 */ 66 */
72 if (*name == '/') 67 if (*name == '/')
73 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name); 68 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
74 else 69 else
75 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); 70 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);
76 return (buf); 71 return (buf);
77} 72}
78 73
79/* 74/*
80 * same as create_pathname, but for the overlay maps. 75 * same as create_pathname, but for the overlay maps.
81 */ 76 */
82 77
78const char *
83const char *create_overlay_pathname (const char *name) { 79create_overlay_pathname (const char *name)
80{
84 static char buf[MAX_BUF]; 81 static char buf[MAX_BUF];
85 82
86 /* Why? having extra / doesn't confuse unix anyplace? Dependancies 83 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
87 * someplace else in the code? msw 2-17-97 84 * someplace else in the code? msw 2-17-97
88 */ 85 */
89 if (*name == '/') 86 if (*name == '/')
90 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name); 87 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
91 else 88 else
92 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name); 89 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
93 return (buf); 90 return (buf);
94} 91}
95 92
96/* 93/*
97 * same as create_pathname, but for the template maps. 94 * same as create_pathname, but for the template maps.
98 */ 95 */
99 96
97const char *
100const char *create_template_pathname (const char *name) { 98create_template_pathname (const char *name)
99{
101 static char buf[MAX_BUF]; 100 static char buf[MAX_BUF];
102 101
103 /* Why? having extra / doesn't confuse unix anyplace? Dependancies 102 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
104 * someplace else in the code? msw 2-17-97 103 * someplace else in the code? msw 2-17-97
105 */ 104 */
106 if (*name == '/') 105 if (*name == '/')
107 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name); 106 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
108 else 107 else
109 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name); 108 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
110 return (buf); 109 return (buf);
111} 110}
112 111
113/* 112/*
114 * This makes absolute path to the itemfile where unique objects 113 * This makes absolute path to the itemfile where unique objects
115 * will be saved. Converts '/' to '@'. I think it's essier maintain 114 * will be saved. Converts '/' to '@'. I think it's essier maintain
116 * files than full directory structure, but if this is problem it can 115 * files than full directory structure, but if this is problem it can
117 * be changed. 116 * be changed.
118 */ 117 */
118static const char *
119static const char *create_items_path (const char *s) { 119create_items_path (const char *s)
120{
120 static char buf[MAX_BUF]; 121 static char buf[MAX_BUF];
121 char *t; 122 char *t;
122 123
124 if (*s == '/')
125 s++;
126
127 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
128
129 for (t = buf + strlen (buf); *s; s++, t++)
123 if (*s == '/') 130 if (*s == '/')
124 s++;
125
126 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
127
128 for (t=buf+strlen(buf); *s; s++,t++)
129 if (*s == '/')
130 *t = '@'; 131 *t = '@';
131 else 132 else
132 *t = *s; 133 *t = *s;
133 *t = 0; 134 *t = 0;
134 return (buf); 135 return (buf);
135} 136}
136 137
137 138
138/* 139/*
139 * This function checks if a file with the given path exists. 140 * This function checks if a file with the given path exists.
… …
149 * when the editor goes away, the call to stat should probably be 150 * when the editor goes away, the call to stat should probably be
150 * replaced by an access instead (similar to the windows one, but 151 * replaced by an access instead (similar to the windows one, but
151 * that seems to be missing the prepend_dir processing 152 * that seems to be missing the prepend_dir processing
152 */ 153 */
153 154
155int
154int check_path (const char *name, int prepend_dir) 156check_path (const char *name, int prepend_dir)
155{ 157{
156 char buf[MAX_BUF]; 158 char buf[MAX_BUF];
157#ifndef WIN32 159
158 char *endbuf; 160 char *endbuf;
159 struct stat statbuf; 161 struct stat statbuf;
160 int mode = 0; 162 int mode = 0;
161#endif
162 163
163 if (prepend_dir) 164 if (prepend_dir)
164 strcpy (buf, create_pathname(name)); 165 strcpy (buf, create_pathname (name));
165 else 166 else
166 strcpy(buf, name); 167 strcpy (buf, name);
167#ifdef WIN32 /* ***win32: check this sucker in windows style. */
168 return(_access(buf,0));
169#else
170 168
171 /* old method (strchr(buf, '\0')) seemd very odd to me - 169 /* old method (strchr(buf, '\0')) seemd very odd to me -
172 * this method should be equivalant and is clearer. 170 * this method should be equivalant and is clearer.
173 * Can not use strcat because we need to cycle through 171 * Can not use strcat because we need to cycle through
174 * all the names. 172 * all the names.
175 */ 173 */
176 endbuf = buf + strlen(buf); 174 endbuf = buf + strlen (buf);
177 175
178 if (stat (buf, &statbuf)) 176 if (stat (buf, &statbuf))
179 return -1; 177 return -1;
180 if (!S_ISREG (statbuf.st_mode)) 178 if (!S_ISREG (statbuf.st_mode))
181 return (-1); 179 return (-1);
182 180
183 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) || 181 if (((statbuf.st_mode & S_IRGRP) && getegid () == statbuf.st_gid) ||
184 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) || 182 ((statbuf.st_mode & S_IRUSR) && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IROTH))
185 (statbuf.st_mode & S_IROTH))
186 mode |= 4; 183 mode |= 4;
187 184
188 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) || 185 if ((statbuf.st_mode & S_IWGRP && getegid () == statbuf.st_gid) ||
189 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) || 186 (statbuf.st_mode & S_IWUSR && geteuid () == statbuf.st_uid) || (statbuf.st_mode & S_IWOTH))
190 (statbuf.st_mode & S_IWOTH))
191 mode |= 2; 187 mode |= 2;
192 188
193 return (mode); 189 return (mode);
194#endif
195} 190}
196 191
197/* 192/*
198 * Prints out debug-information about a map. 193 * Prints out debug-information about a map.
199 * Dumping these at llevError doesn't seem right, but is 194 * Dumping these at llevError doesn't seem right, but is
200 * necessary to make sure the information is in fact logged. 195 * necessary to make sure the information is in fact logged.
201 */ 196 */
202 197
203void dump_map(const mapstruct *m) { 198void
199dump_map (const maptile *m)
200{
204 LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory); 201 LOG (llevError, "Map %s status: %d.\n", m->path, m->in_memory);
205 LOG(llevError,"Size: %dx%d Start: %d,%d\n", 202 LOG (llevError, "Size: %dx%d Start: %d,%d\n", m->width, m->height, m->enter_x, m->enter_y);
206 MAP_WIDTH(m), MAP_HEIGHT(m),
207 MAP_ENTER_X(m), MAP_ENTER_Y(m));
208 203
209 if(m->msg!=NULL) 204 if (m->msg != NULL)
210 LOG(llevError,"Message:\n%s",m->msg); 205 LOG (llevError, "Message:\n%s", m->msg);
211 206
212 if(m->maplore!=NULL) 207 if (m->maplore != NULL)
213 LOG(llevError,"Lore:\n%s",m->maplore); 208 LOG (llevError, "Lore:\n%s", m->maplore);
214 209
215 if(m->tmpname!=NULL) 210 if (m->tmpname != NULL)
216 LOG(llevError,"Tmpname: %s\n",m->tmpname); 211 LOG (llevError, "Tmpname: %s\n", m->tmpname);
217 212
218 LOG(llevError,"Difficulty: %d\n",m->difficulty); 213 LOG (llevError, "Difficulty: %d\n", m->difficulty);
219 LOG(llevError,"Darkness: %d\n",m->darkness); 214 LOG (llevError, "Darkness: %d\n", m->darkness);
220} 215}
221 216
222/* 217/*
223 * Prints out debug-information about all maps. 218 * Prints out debug-information about all maps.
224 * This basically just goes through all the maps and calls 219 * This basically just goes through all the maps and calls
225 * dump_map on each one. 220 * dump_map on each one.
226 */ 221 */
227 222
223void
228void dump_all_maps(void) { 224dump_all_maps (void)
229 mapstruct *m; 225{
230 for(m=first_map;m!=NULL;m=m->next) { 226 maptile *m;
227
228 for (m = first_map; m; m = m->next)
231 dump_map(m); 229 dump_map (m);
232 }
233} 230}
234 231
235/* This rolls up wall, blocks_magic, blocks_view, etc, all into 232/* This rolls up wall, blocks_magic, blocks_view, etc, all into
236 * one function that just returns a P_.. value (see map.h) 233 * one function that just returns a P_.. value (see map.h)
237 * it will also do map translation for tiled maps, returning 234 * it will also do map translation for tiled maps, returning
… …
240 * by a P_NEW_MAP value, another call to get_map_from_coord 237 * 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 238 * is needed. The case of not passing values is if we're just
242 * checking for the existence of something on those spaces, but 239 * checking for the existence of something on those spaces, but
243 * don't expect to insert/remove anything from those spaces. 240 * don't expect to insert/remove anything from those spaces.
244 */ 241 */
242int
245int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 243get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
246{ 244{
247 sint16 newx, newy; 245 sint16 newx, newy;
248 int retval=0; 246 int retval = 0;
249 mapstruct *mp; 247 maptile *mp;
250 248
251 if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP;
252 newx = x; 249 newx = x;
253 newy = y; 250 newy = y;
251
254 mp = get_map_from_coord(oldmap, &newx, &newy); 252 mp = get_map_from_coord (oldmap, &newx, &newy);
253
254 if (!mp)
255 return P_OUT_OF_MAP;
256
255 if (mp != oldmap) 257 if (mp != oldmap)
256 retval |= P_NEW_MAP; 258 retval |= P_NEW_MAP;
259
257 if (newmap) *newmap = mp; 260 if (newmap) *newmap = mp;
258 if (nx) *nx = newx; 261 if (nx) *nx = newx;
259 if (ny) *ny = newy; 262 if (ny) *ny = newy;
260 retval |= mp->spaces[newx + mp->width * newy].flags;
261 263
262 if (retval & P_SAFE) 264 return retval | mp->at (newx, newy).flags ();
263 retval |= P_NO_MAGIC | P_NO_CLERIC; // P_SAFE does imply these
264
265 return retval;
266} 265}
267
268 266
269/* 267/*
270 * Returns true if the given coordinate is blocked except by the 268 * Returns true if the given coordinate is blocked except by the
271 * object passed is not blocking. This is used with 269 * object passed is not blocking. This is used with
272 * multipart monsters - if we want to see if a 2x2 monster 270 * multipart monsters - if we want to see if a 2x2 monster
… …
276 * monster. 274 * monster.
277 * m, x, y are the target map/coordinates - needed for map tiling. 275 * m, x, y are the target map/coordinates - needed for map tiling.
278 * the coordinates & map passed in should have been updated for tiling 276 * the coordinates & map passed in should have been updated for tiling
279 * by the caller. 277 * by the caller.
280 */ 278 */
281 279int
282int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 280blocked_link (object *ob, maptile *m, int sx, int sy)
281{
283 object *tmp; 282 object *tmp;
284 int mflags, blocked; 283 int mflags, blocked;
285 284
286 /* Make sure the coordinates are valid - they should be, as caller should 285 /* Make sure the coordinates are valid - they should be, as caller should
287 * have already checked this. 286 * have already checked this.
288 */ 287 */
289 if (OUT_OF_REAL_MAP(m, sx, sy)) { 288 if (OUT_OF_REAL_MAP (m, sx, sy))
289 {
290 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 290 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
291 return 1; 291 return 1;
292 } 292 }
293 293
294 /* Save some cycles - instead of calling get_map_flags(), just get the value 294 /* Save some cycles - instead of calling get_map_flags(), just get the value
295 * directly. 295 * directly.
296 */ 296 */
297 mflags = m->spaces[sx + m->width * sy].flags; 297 mflags = m->at (sx, sy).flags ();
298 298
299 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 299 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy);
300 300
301 /* If space is currently not blocked by anything, no need to 301 /* If space is currently not blocked by anything, no need to
302 * go further. Not true for players - all sorts of special 302 * go further. Not true for players - all sorts of special
303 * things we need to do for players. 303 * things we need to do for players.
304 */ 304 */
305 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 305 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
306 return 0;
306 307
307 /* if there isn't anytyhing alive on this space, and this space isn't 308 /* 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 309 * 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 310 * 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 311 * or another. Likewise, only if something is blocking us do we
311 * need to investigate if there is a special circumstance that would 312 * need to investigate if there is a special circumstance that would
312 * let the player through (inventory checkers for example) 313 * let the player through (inventory checkers for example)
313 */ 314 */
314 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0; 315 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
316 return 0;
315 317
316 if(ob->head != NULL) 318 if (ob->head != NULL)
317 ob=ob->head; 319 ob = ob->head;
318 320
319 /* We basically go through the stack of objects, and if there is 321 /* 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 322 * some other object that has NO_PASS or FLAG_ALIVE set, return
321 * true. If we get through the entire stack, that must mean 323 * true. If we get through the entire stack, that must mean
322 * ob is blocking it, so return 0. 324 * ob is blocking it, so return 0.
323 */ 325 */
324 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) { 326 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above)
327 {
325 328
326 /* This must be before the checks below. Code for inventory checkers. */ 329 /* This must be before the checks below. Code for inventory checkers. */
327 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) { 330 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
331 {
328 /* If last_sp is set, the player/monster needs an object, 332 /* 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 333 * so we check for it. If they don't have it, they can't
330 * pass through this space. 334 * pass through this space.
331 */ 335 */
332 if (tmp->last_sp) { 336 if (tmp->last_sp)
337 {
333 if (check_inv_recursive(ob,tmp)==NULL) 338 if (check_inv_recursive (ob, tmp) == NULL)
334 return 1; 339 return 1;
335 else 340 else
336 continue; 341 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 } 342 }
346 } /* if check_inv */
347 else { 343 else
344 {
345 /* In this case, the player must not have the object -
346 * if they do, they can't pass through.
347 */
348 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
349 return 1;
350 else
351 continue;
352 }
353 } /* if check_inv */
354 else
355 {
348 /* Broke apart a big nasty if into several here to make 356 /* Broke apart a big nasty if into several here to make
349 * this more readable. first check - if the space blocks 357 * this more readable. first check - if the space blocks
350 * movement, can't move here. 358 * movement, can't move here.
351 * second - if a monster, can't move there, unles it is a 359 * second - if a monster, can't move there, unles it is a
352 * hidden dm 360 * hidden dm
353 */ 361 */
354 if (OB_MOVE_BLOCK(ob, tmp)) return 1; 362 if (OB_MOVE_BLOCK (ob, tmp))
363 return 1;
355 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob && 364 if (QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
356 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden)) 365 tmp->type != DOOR && !(QUERY_FLAG (tmp, FLAG_WIZ) && tmp->contr->hidden))
357 return 1; 366 return 1;
358 } 367 }
359 368
360 } 369 }
361 return 0; 370 return 0;
362} 371}
363 372
364 373
365/* 374/*
366 * Returns true if the given object can't fit in the given spot. 375 * Returns true if the given object can't fit in the given spot.
… …
386 * 395 *
387 * Note this used to be arch_blocked, but with new movement 396 * Note this used to be arch_blocked, but with new movement
388 * code, we need to have actual object to check its move_type 397 * code, we need to have actual object to check its move_type
389 * against the move_block values. 398 * against the move_block values.
390 */ 399 */
391 400int
392int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 401ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y)
402{
393 archetype *tmp; 403 archetype *tmp;
394 int flag; 404 int flag;
395 mapstruct *m1; 405 maptile *m1;
396 sint16 sx, sy; 406 sint16 sx, sy;
397 407
398 if(ob==NULL) { 408 if (ob == NULL)
409 {
399 flag= get_map_flags(m,&m1, x,y, &sx, &sy); 410 flag = get_map_flags (m, &m1, x, y, &sx, &sy);
400 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 411 if (flag & P_OUT_OF_MAP)
412 return P_OUT_OF_MAP;
401 413
402 /* don't have object, so don't know what types would block */ 414 /* don't have object, so don't know what types would block */
403 return(GET_MAP_MOVE_BLOCK(m1, sx, sy)); 415 return m1->at (sx, sy).move_block;
404 } 416 }
405 417
406 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { 418 for (tmp = ob->arch; tmp; tmp = tmp->more)
419 {
407 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 420 flag = get_map_flags (m, &m1, x + tmp->clone.x, y + tmp->clone.y, &sx, &sy);
408 421
409 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 422 if (flag & P_OUT_OF_MAP)
410 if (flag & P_IS_ALIVE) return P_IS_ALIVE; 423 return P_OUT_OF_MAP;
424 if (flag & P_IS_ALIVE)
425 return P_IS_ALIVE;
411 426
427 mapspace &ms = m1->at (sx, sy);
428
429
412 /* find_first_free_spot() calls this function. However, often 430 /* find_first_free_spot() calls this function. However, often
413 * ob doesn't have any move type (when used to place exits) 431 * 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. 432 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
415 */ 433 */
416 434
417 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue; 435 if (ob->move_type == 0 && ms.move_block != MOVE_ALL)
436 continue;
418 437
419 /* Note it is intentional that we check ob - the movement type of the 438 /* Note it is intentional that we check ob - the movement type of the
420 * head of the object should correspond for the entire object. 439 * head of the object should correspond for the entire object.
421 */ 440 */
422 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 441 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
423 return AB_NO_PASS; 442 return P_NO_PASS;
424
425 } 443 }
444
426 return 0; 445 return 0;
427} 446}
428 447
429/* When the map is loaded, load_object does not actually insert objects 448/* 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 449 * into inventory, but just links them. What this does is go through
431 * and insert them properly. 450 * and insert them properly.
432 * The object 'container' is the object that contains the inventory. 451 * The object 'container' is the object that contains the inventory.
433 * This is needed so that we can update the containers weight. 452 * This is needed so that we can update the containers weight.
434 */ 453 */
435 454
455void
436void fix_container(object *container) 456fix_container (object *container)
437{ 457{
438 object *tmp=container->inv, *next; 458 object *tmp = container->inv, *next;
439 459
440 container->inv=NULL; 460 container->inv = NULL;
441 while (tmp!=NULL) { 461 while (tmp != NULL)
462 {
442 next = tmp->below; 463 next = tmp->below;
443 if (tmp->inv) 464 if (tmp->inv)
444 fix_container(tmp); 465 fix_container (tmp);
445 (void) insert_ob_in_ob(tmp,container); 466 (void) insert_ob_in_ob (tmp, container);
446 tmp = next; 467 tmp = next;
447 } 468 }
448 /* sum_weight will go through and calculate what all the containers are 469 /* sum_weight will go through and calculate what all the containers are
449 * carrying. 470 * carrying.
450 */ 471 */
451 sum_weight(container); 472 sum_weight (container);
452} 473}
453 474
454/* link_multipart_objects go through all the objects on the map looking 475/* 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 476 * 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 477 * 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 478 * 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. 479 * the more sections and not re-add sections for them.
459 */ 480 */
460 481
461static void link_multipart_objects(mapstruct *m) 482static void
483link_multipart_objects (maptile *m)
462{ 484{
463 int x,y; 485 int x, y;
464 object *tmp, *op, *last, *above; 486 object *tmp, *op, *last, *above;
465 archetype *at; 487 archetype *at;
466 488
467 for(x=0;x<MAP_WIDTH(m);x++) 489 for (x = 0; x < m->width; x++)
468 for(y=0;y<MAP_HEIGHT(m);y++) 490 for (y = 0; y < m->height; y++)
469 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 491 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = above)
492 {
470 above=tmp->above; 493 above = tmp->above;
471 494
472 /* already multipart - don't do anything more */ 495 /* already multipart - don't do anything more */
473 if (tmp->head || tmp->more) continue; 496 if (tmp->head || tmp->more)
497 continue;
474 498
475 /* If there is nothing more to this object, this for loop 499 /* If there is nothing more to this object, this for loop
476 * won't do anything. 500 * won't do anything.
477 */ 501 */
478 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) { 502 for (at = tmp->arch->more, last = tmp; at != NULL; at = at->more, last = op)
503 {
479 op = arch_to_object(at); 504 op = arch_to_object (at);
480 505
481 /* update x,y coordinates */ 506 /* update x,y coordinates */
482 op->x += tmp->x; 507 op->x += tmp->x;
483 op->y += tmp->y; 508 op->y += tmp->y;
484 op->head = tmp; 509 op->head = tmp;
485 op->map = m; 510 op->map = m;
486 last->more = op; 511 last->more = op;
487 op->name = tmp->name; 512 op->name = tmp->name;
488 op->title = tmp->title; 513 op->title = tmp->title;
489 /* we could link all the parts onto tmp, and then just 514 /* we could link all the parts onto tmp, and then just
490 * call insert_ob_in_map once, but the effect is the same, 515 * 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 516 * 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. 517 * the coding is simpler to just to it here with each part.
493 */ 518 */
494 insert_ob_in_map(op, op->map, tmp,INS_NO_MERGE|INS_ABOVE_FLOOR_ONLY|INS_NO_WALK_ON); 519 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 */ 520 } /* for at = tmp->arch->more */
496 } /* for objects on this space */ 521 } /* for objects on this space */
497} 522}
498 523
499/* 524/*
500 * Loads (ands parses) the objects into a given map from the specified 525 * Loads (ands parses) the objects into a given map from the specified
501 * file pointer. 526 * file pointer.
502 * mapflags is the same as we get with load_original_map 527 * mapflags is the same as we get with load_original_map
503 */ 528 */
504void 529void
505load_objects (mapstruct *m, object_thawer &fp, int mapflags) 530load_objects (maptile *m, object_thawer & fp, int mapflags)
506{ 531{
507 int i, j; 532 int i, j;
508 int unique; 533 int unique;
509 object *op, *prev = NULL, *last_more = NULL, *otmp; 534 object *op, *prev = NULL, *last_more = NULL, *otmp;
510 535
511 op = get_object (); 536 op = object::create ();
512 op->map = m; /* To handle buttons correctly */ 537 op->map = m; /* To handle buttons correctly */
513 538
514 while ((i = load_object (fp, op, mapflags))) 539 while ((i = load_object (fp, op, mapflags)))
515 { 540 {
516 /* if the archetype for the object is null, means that we 541 /* if the archetype for the object is null, means that we
517 * got an invalid object. Don't do anything with it - the game 542 * 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. 543 * or editor will not be able to do anything with it either.
519 */ 544 */
520 if (op->arch == NULL) 545 if (op->arch == NULL)
521 { 546 {
522 LOG (llevDebug, "Discarding object without arch: %s\n", 547 LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)");
523 op->name ? (const char *) op->name : "(null)");
524 continue; 548 continue;
525 } 549 }
526
527 550
528 switch (i) 551 switch (i)
529 { 552 {
530 case LL_NORMAL: 553 case LL_NORMAL:
531 /* if we are loading an overlay, put the floors on the bottom */ 554 /* if we are loading an overlay, put the floors on the bottom */
532 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) ||
533 QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY) 555 if ((QUERY_FLAG (op, FLAG_IS_FLOOR) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
534 insert_ob_in_map (op, m, op, 556 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
535 INS_NO_MERGE | INS_NO_WALK_ON |
536 INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
537 else 557 else
538 insert_ob_in_map (op, m, op, 558 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
539 INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP |
540 INS_MAP_LOAD);
541 559
542 if (op->inv) 560 if (op->inv)
543 sum_weight (op); 561 sum_weight (op);
544 562
545 prev = op, last_more = op; 563 prev = op, last_more = op;
546 break; 564 break;
547 565
548 case LL_MORE: 566 case LL_MORE:
549 insert_ob_in_map (op, m, op, 567 insert_ob_in_map (op, m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY);
550 INS_NO_MERGE | INS_NO_WALK_ON |
551 INS_ABOVE_FLOOR_ONLY);
552 op->head = prev, last_more->more = op, last_more = op; 568 op->head = prev, last_more->more = op, last_more = op;
553 break; 569 break;
554 } 570 }
555 571
556 if (mapflags & MAP_STYLE) 572 if (mapflags & MAP_STYLE)
557 remove_from_active_list (op); 573 remove_from_active_list (op);
558 574
559 op = get_object (); 575 op = object::create ();
560 op->map = m; 576 op->map = m;
561 } 577 }
562 578
563 for (i = 0; i < m->width; i++) 579 for (i = 0; i < m->width; i++)
564 { 580 {
565 for (j = 0; j < m->height; j++) 581 for (j = 0; j < m->height; j++)
566 { 582 {
567 unique = 0; 583 unique = 0;
568 /* check for unique items, or unique squares */ 584 /* check for unique items, or unique squares */
569 for (otmp = get_map_ob (m, i, j); otmp; otmp = otmp->above) 585 for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above)
570 { 586 {
571 if (QUERY_FLAG (otmp, FLAG_UNIQUE) 587 if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
572 || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL))
573 unique = 1; 588 unique = 1;
589
574 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique)) 590 if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique))
575 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL); 591 SET_FLAG (otmp, FLAG_OBJ_ORIGINAL);
576 } 592 }
577 } 593 }
578 } 594 }
579 595
580 free_object (op); 596 op->destroy ();
581 link_multipart_objects (m); 597 link_multipart_objects (m);
582} 598}
583 599
584/* This saves all the objects on the map in a non destructive fashion. 600/* This saves all the objects on the map in a non destructive fashion.
585 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 601 * Modified by MSW 2001-07-01 to do in a single pass - reduces code,
586 * and we only save the head of multi part objects - this is needed 602 * and we only save the head of multi part objects - this is needed
587 * in order to do map tiling properly. 603 * in order to do map tiling properly.
588 */ 604 */
605void
589void save_objects (mapstruct *m, object_freezer &fp, object_freezer &fp2, int flag) { 606save_objects (maptile *m, object_freezer & fp, object_freezer & fp2, int flag)
607{
590 int i, j = 0,unique=0; 608 int i, j = 0, unique = 0;
591 object *op; 609 object *op;
610
592 /* first pass - save one-part objects */ 611 /* first pass - save one-part objects */
593 for(i = 0; i < MAP_WIDTH(m); i++) 612 for (i = 0; i < m->width; i++)
594 for (j = 0; j < MAP_HEIGHT(m); j++) { 613 for (j = 0; j < m->height; j++)
614 {
615 unique = 0;
616 for (op = m->at (i, j).bot; op; op = op->above)
617 {
618 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
595 unique=0; 619 unique = 1;
596 for(op = get_map_ob (m, i, j); op; op = op->above) {
597 if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE))
598 unique=1;
599 620
600 if(op->type == PLAYER) { 621 if (op->type == PLAYER)
601 LOG(llevDebug, "Player on map that is being saved\n");
602 continue; 622 continue;
603 }
604 623
605 if (op->head || op->owner) 624 if (op->head || op->owner)
606 continue; 625 continue;
607 626
608 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 627 if (unique || op->flag [FLAG_UNIQUE])
609 save_object (fp2, op, 3); 628 save_object (fp2, op, 3);
610 else 629 else if (flag == 0 || (flag == 2 && (!op->flag [FLAG_OBJ_ORIGINAL] && !op->flag [FLAG_UNPAID])))
611 if (flag == 0 ||
612 (flag == 2 && (!QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) &&
613 !QUERY_FLAG(op, FLAG_UNPAID))))
614 save_object(fp, op, 3); 630 save_object (fp, op, 3);
631 }
632 }
633}
615 634
616 } /* for this space */ 635maptile::maptile ()
617 } /* for this j */ 636{
637 in_memory = MAP_SWAPPED;
638 /* The maps used to pick up default x and y values from the
639 * map archetype. Mimic that behaviour.
640 */
641 this->width = 16;
642 this->height = 16;
643 this->reset_timeout = 0;
644 this->timeout = 300;
645 this->enter_x = 0;
646 this->enter_y = 0;
647 /*set part to -1 indicating conversion to weather map not yet done */
648 this->worldpartx = -1;
649 this->worldparty = -1;
618} 650}
619 651
620/* 652/*
621 * Allocates, initialises, and returns a pointer to a mapstruct. 653 * Allocates, initialises, and returns a pointer to a maptile.
622 * Modified to no longer take a path option which was not being 654 * Modified to no longer take a path option which was not being
623 * used anyways. MSW 2001-07-01 655 * used anyways. MSW 2001-07-01
624 */ 656 */
657maptile *
658get_linked_map (void)
659{
660 maptile *mp, *map = new maptile;
625 661
626mapstruct *get_linked_map(void) {
627 mapstruct *map = new mapstruct;
628 mapstruct *mp;
629
630 for(mp=first_map;mp!=NULL&&mp->next!=NULL;mp=mp->next); 662 for (mp = first_map; mp && mp->next; mp = mp->next);
663
631 if(mp==NULL) 664 if (mp == NULL)
632 first_map=map; 665 first_map = map;
633 else 666 else
634 mp->next=map; 667 mp->next = map;
635 668
636 map->in_memory=MAP_SWAPPED;
637 /* The maps used to pick up default x and y values from the
638 * map archetype. Mimic that behaviour.
639 */
640 MAP_WIDTH(map)=16;
641 MAP_HEIGHT(map)=16;
642 MAP_RESET_TIMEOUT(map)=0;
643 MAP_TIMEOUT(map)=300;
644 MAP_ENTER_X(map)=0;
645 MAP_ENTER_Y(map)=0;
646 /*set part to -1 indicating conversion to weather map not yet done*/
647 MAP_WORLDPARTX(map)=-1;
648 MAP_WORLDPARTY(map)=-1;
649 return map; 669 return map;
650} 670}
651 671
652/* 672/*
653 * Allocates the arrays contained in a mapstruct. 673 * Allocates the arrays contained in a maptile.
654 * This basically allocates the dynamic array of spaces for the 674 * This basically allocates the dynamic array of spaces for the
655 * map. 675 * map.
656 */ 676 */
657 677void
658void allocate_map(mapstruct *m) { 678maptile::allocate ()
679{
659 m->in_memory = MAP_IN_MEMORY; 680 in_memory = MAP_IN_MEMORY;
681
660 /* Log this condition and free the storage. We could I suppose 682 /* Log this condition and free the storage. We could I suppose
661 * realloc, but if the caller is presuming the data will be intact, 683 * realloc, but if the caller is presuming the data will be intact,
662 * that is their poor assumption. 684 * that is their poor assumption.
663 */ 685 */
664 if (m->spaces) { 686 if (spaces)
687 {
665 LOG(llevError,"allocate_map called with already allocated map (%s)\n", m->path); 688 LOG (llevError, "allocate_map called with already allocated map (%s)\n", path);
666 free(m->spaces); 689 free (spaces);
667 } 690 }
668 691
669 m->spaces = (MapSpace *) calloc(1, MAP_WIDTH(m) * MAP_HEIGHT(m) * sizeof(MapSpace)); 692 spaces = (mapspace *)
693 calloc (1, width * height * sizeof (mapspace));
670 694
671 if(m->spaces==NULL) 695 if (!spaces)
672 fatal(OUT_OF_MEMORY); 696 fatal (OUT_OF_MEMORY);
673} 697}
674 698
675/* Create and returns a map of the specific size. Used 699/* Create and returns a map of the specific size. Used
676 * in random map code and the editor. 700 * in random map code and the editor.
677 */ 701 */
702maptile *
678mapstruct *get_empty_map(int sizex, int sizey) { 703get_empty_map (int sizex, int sizey)
704{
679 mapstruct *m = get_linked_map(); 705 maptile *m = get_linked_map ();
706
680 m->width = sizex; 707 m->width = sizex;
681 m->height = sizey; 708 m->height = sizey;
682 m->in_memory = MAP_SWAPPED; 709 m->in_memory = MAP_SWAPPED;
683 allocate_map(m); 710 m->allocate ();
711
684 return m; 712 return m;
685} 713}
686 714
687/* Takes a string from a map definition and outputs a pointer to the array of shopitems 715/* Takes a string from a map definition and outputs a pointer to the array of shopitems
688 * corresponding to that string. Memory is allocated for this, it must be freed 716 * corresponding to that string. Memory is allocated for this, it must be freed
689 * at a later date. 717 * at a later date.
690 * Called by parse_map_headers below. 718 * Called by parse_map_headers below.
691 */ 719 */
692 720
721static shopitems *
693static shopitems *parse_shop_string (const char *input_string) { 722parse_shop_string (const char *input_string)
723{
694 char *shop_string, *p, *q, *next_semicolon, *next_colon; 724 char *shop_string, *p, *q, *next_semicolon, *next_colon;
695 shopitems *items=NULL; 725 shopitems *items = NULL;
696 int i=0, number_of_entries=0; 726 int i = 0, number_of_entries = 0;
697 const typedata *current_type; 727 const typedata *current_type;
698 728
699 shop_string=strdup_local(input_string); 729 shop_string = strdup (input_string);
700 p=shop_string; 730 p = shop_string;
701 /* first we'll count the entries, we'll need that for allocating the array shortly */ 731 /* first we'll count the entries, we'll need that for allocating the array shortly */
702 while (p) { 732 while (p)
733 {
703 p=strchr(p, ';'); 734 p = strchr (p, ';');
704 number_of_entries++; 735 number_of_entries++;
705 if (p) p++; 736 if (p)
737 p++;
706 } 738 }
707 p=shop_string; 739 p = shop_string;
708 strip_endline(p); 740 strip_endline (p);
709 items = new shopitems [number_of_entries + 1]; 741 items = new shopitems[number_of_entries + 1];
710 for (i=0; i<number_of_entries; i++) { 742 for (i = 0; i < number_of_entries; i++)
743 {
711 if (!p) { 744 if (!p)
745 {
712 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 746 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
713 break; 747 break;
714 } 748 }
715 next_semicolon=strchr(p, ';'); 749 next_semicolon = strchr (p, ';');
716 next_colon=strchr(p, ':'); 750 next_colon = strchr (p, ':');
717 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 751 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
718 if (next_colon &&( !next_semicolon || next_colon<next_semicolon)) 752 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
719 items[i].strength=atoi(strchr(p,':')+1); 753 items[i].strength = atoi (strchr (p, ':') + 1);
754
755 if (isdigit (*p) || *p == '*')
720 756 {
721 if (isdigit(*p) || *p=='*') {
722 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */ 757 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
723 current_type=get_typedata(items[i].typenum); 758 current_type = get_typedata (items[i].typenum);
724 if (current_type) { 759 if (current_type)
760 {
725 items[i].name=current_type->name; 761 items[i].name = current_type->name;
726 items[i].name_pl=current_type->name_pl; 762 items[i].name_pl = current_type->name_pl;
727 }
728 }
729 else { /*we have a named type, let's figure out what it is */
730 q=strpbrk(p,";:");
731 if (q) *q='\0';
732
733 current_type=get_typedata_by_name(p);
734 if (current_type) {
735 items[i].name=current_type->name;
736 items[i].typenum=current_type->number;
737 items[i].name_pl=current_type->name_pl;
738 } 763 }
739 else { /* oh uh, something's wrong, let's free up this one, and try 764 }
740 * the next entry while we're at it, better print a warning 765 else
741 */ 766 { /*we have a named type, let's figure out what it is */
742 LOG(llevError, "invalid type %s defined in shopitems in string %s\n", 767 q = strpbrk (p, ";:");
743 p, input_string); 768 if (q)
769 *q = '\0';
770
771 current_type = get_typedata_by_name (p);
772 if (current_type)
773 {
774 items[i].name = current_type->name;
775 items[i].typenum = current_type->number;
776 items[i].name_pl = current_type->name_pl;
744 } 777 }
778 else
779 { /* oh uh, something's wrong, let's free up this one, and try
780 * the next entry while we're at it, better print a warning
781 */
782 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
745 } 783 }
784 }
746 items[i].index=number_of_entries; 785 items[i].index = number_of_entries;
747 if (next_semicolon) p=++next_semicolon; 786 if (next_semicolon)
787 p = ++next_semicolon;
788 else
748 else p=NULL; 789 p = NULL;
749 } 790 }
750 free(shop_string); 791 free (shop_string);
751 return items; 792 return items;
752} 793}
753 794
754/* opposite of parse string, this puts the string that was originally fed in to 795/* opposite of parse string, this puts the string that was originally fed in to
755 * the map (or something equivilent) into output_string. */ 796 * the map (or something equivilent) into output_string. */
797static void
756static void print_shop_string(mapstruct *m, char *output_string) { 798print_shop_string (maptile *m, char *output_string)
799{
757 int i; 800 int i;
758 char tmp[MAX_BUF]; 801 char tmp[MAX_BUF];
802
759 strcpy(output_string, ""); 803 strcpy (output_string, "");
760 for (i=0; i< m->shopitems[0].index; i++) { 804 for (i = 0; i < m->shopitems[0].index; i++)
805 {
761 if (m->shopitems[i].typenum) { 806 if (m->shopitems[i].typenum)
807 {
762 if (m->shopitems[i].strength) { 808 if (m->shopitems[i].strength)
809 {
763 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 810 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
764 } 811 }
812 else
765 else sprintf(tmp, "%s;", m->shopitems[i].name); 813 sprintf (tmp, "%s;", m->shopitems[i].name);
814 }
815 else
766 } 816 {
767 else {
768 if (m->shopitems[i].strength) { 817 if (m->shopitems[i].strength)
818 {
769 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 819 sprintf (tmp, "*:%d;", m->shopitems[i].strength);
770 } 820 }
821 else
771 else sprintf(tmp, "*"); 822 sprintf (tmp, "*");
772 } 823 }
773 strcat(output_string, tmp); 824 strcat (output_string, tmp);
774 } 825 }
775} 826}
776 827
777/* This loads the header information of the map. The header 828/* This loads the header information of the map. The header
778 * contains things like difficulty, size, timeout, etc. 829 * contains things like difficulty, size, timeout, etc.
… …
785 * currently, there are few enough fields this is not a big deal. 836 * currently, there are few enough fields this is not a big deal.
786 * MSW 2001-07-01 837 * MSW 2001-07-01
787 * return 0 on success, 1 on failure. 838 * return 0 on success, 1 on failure.
788 */ 839 */
789 840
841static int
790static int load_map_header(object_thawer &fp, mapstruct *m) 842load_map_header (object_thawer & fp, maptile *m)
791{ 843{
792 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 844 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end;
793 int msgpos=0; 845 int msgpos = 0;
794 int maplorepos=0; 846 int maplorepos = 0;
795 847
796 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 848 while (fgets (buf, HUGE_BUF, fp) != NULL)
849 {
797 buf[HUGE_BUF-1] = 0; 850 buf[HUGE_BUF - 1] = 0;
798 key = buf; 851 key = buf;
852
799 while (isspace(*key)) key++; 853 while (isspace (*key))
800 if (*key == 0) continue; /* empty line */ 854 key++;
855
856 if (*key == 0)
857 continue; /* empty line */
858
801 value = strchr(key, ' '); 859 value = strchr (key, ' ');
860
802 if (!value) { 861 if (!value)
862 {
803 end = strchr(key, '\n'); 863 if ((end = strchr (key, '\n')))
804 if (end != NULL) {
805 *end = 0; 864 *end = 0;
806 } 865 }
807 } else { 866 else
867 {
808 *value = 0; 868 *value = 0;
809 value++; 869 value++;
810 end = strchr(value, '\n'); 870 end = strchr (value, '\n');
871
811 while (isspace(*value)) { 872 while (isspace (*value))
873 {
812 value++; 874 value++;
875
813 if (*value == '\0' || value == end) { 876 if (*value == '\0' || value == end)
877 {
814 /* Nothing but spaces. */ 878 /* Nothing but spaces. */
815 value = NULL; 879 value = NULL;
816 break; 880 break;
817 } 881 }
818 } 882 }
819 } 883 }
820 884
821 if (!end) { 885 if (!end)
886 {
822 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", 887 LOG (llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", buf);
823 buf);
824 return 1; 888 return 1;
825 } 889 }
826 890
827 /* key is the field name, value is what it should be set 891 /* key is the field name, value is what it should be set
828 * to. We've already done the work to null terminate key, 892 * to. We've already done the work to null terminate key,
829 * and strip off any leading spaces for both of these. 893 * and strip off any leading spaces for both of these.
830 * We have not touched the newline at the end of the line - 894 * We have not touched the newline at the end of the line -
831 * these are needed for some values. the end pointer 895 * these are needed for some values. the end pointer
832 * points to the first of the newlines. 896 * points to the first of the newlines.
833 * value could be NULL! It would be easy enough to just point 897 * value could be NULL! It would be easy enough to just point
834 * this to "" to prevent cores, but that would let more errors slide 898 * this to "" to prevent cores, but that would let more errors slide
835 * through. 899 * through.
836 * 900 *
837 * First check for entries that do not use the value parameter, then 901 * First check for entries that do not use the value parameter, then
838 * validate that value is given and check for the remaining entries 902 * validate that value is given and check for the remaining entries
839 * that use the parameter. 903 * that use the parameter.
840 */ 904 */
841 905
842 if (!strcmp(key,"msg")) { 906 if (!strcmp (key, "msg"))
907 {
843 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 908 while (fgets (buf, HUGE_BUF, fp) != NULL)
909 {
844 if (!strcmp(buf,"endmsg\n")) break; 910 if (!strcmp (buf, "endmsg\n"))
911 break;
845 else { 912 else
913 {
846 /* slightly more efficient than strcat */ 914 /* slightly more efficient than strcat */
847 strcpy(msgbuf+msgpos, buf); 915 strcpy (msgbuf + msgpos, buf);
848 msgpos += strlen(buf); 916 msgpos += strlen (buf);
849 } 917 }
850 } 918 }
851 /* There are lots of maps that have empty messages (eg, msg/endmsg 919 /* There are lots of maps that have empty messages (eg, msg/endmsg
852 * with nothing between). There is no reason in those cases to 920 * with nothing between). There is no reason in those cases to
853 * keep the empty message. Also, msgbuf contains garbage data 921 * keep the empty message. Also, msgbuf contains garbage data
854 * when msgpos is zero, so copying it results in crashes 922 * when msgpos is zero, so copying it results in crashes
855 */ 923 */
856 if (msgpos != 0) 924 if (msgpos != 0)
857 m->msg = strdup_local(msgbuf); 925 m->msg = strdup (msgbuf);
858 } 926 }
859 else if (!strcmp(key,"maplore")) { 927 else if (!strcmp (key, "maplore"))
928 {
860 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) { 929 while (fgets (buf, HUGE_BUF, fp) != NULL)
930 {
861 if (!strcmp(buf,"endmaplore\n")) break; 931 if (!strcmp (buf, "endmaplore\n"))
932 break;
862 else { 933 else
934 {
863 /* slightly more efficient than strcat */ 935 /* slightly more efficient than strcat */
864 strcpy(maplorebuf+maplorepos, buf); 936 strcpy (maplorebuf + maplorepos, buf);
865 maplorepos += strlen(buf); 937 maplorepos += strlen (buf);
866 } 938 }
867 } 939 }
868 if (maplorepos != 0) 940 if (maplorepos != 0)
869 m->maplore = strdup_local(maplorebuf); 941 m->maplore = strdup (maplorebuf);
870 } 942 }
871 else if (!strcmp(key,"end")) { 943 else if (!strcmp (key, "end"))
944 {
872 break; 945 break;
873 } 946 }
874 else if (value == NULL) { 947 else if (value == NULL)
948 {
875 LOG(llevError, "Got '%s' line without parameter in map header\n", key); 949 LOG (llevError, "Got '%s' line without parameter in map header\n", key);
876 } 950 }
877 else if (!strcmp(key, "arch")) { 951 else if (!strcmp (key, "arch"))
952 {
878 /* This is an oddity, but not something we care about much. */ 953 /* This is an oddity, but not something we care about much. */
879 if (strcmp(value,"map\n")) 954 if (strcmp (value, "map\n"))
880 LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value); 955 LOG (llevError, "loading map and got a non 'arch map' line(%s %s)?\n", key, value);
881 } 956 }
882 else if (!strcmp(key,"name")) { 957 else if (!strcmp (key, "name"))
958 {
883 *end=0; 959 *end = 0;
884 m->name = strdup_local(value); 960 m->name = strdup (value);
885 } 961 }
886 /* first strcmp value on these are old names supported 962 /* first strcmp value on these are old names supported
887 * for compatibility reasons. The new values (second) are 963 * for compatibility reasons. The new values (second) are
888 * what really should be used. 964 * what really should be used.
889 */ 965 */
890 else if (!strcmp(key,"oid")) { 966 else if (!strcmp (key, "oid"))
891 fp.get (m, atoi(value)); 967 fp.get (m, atoi (value));
892 } else if (!strcmp(key, "attach")) { 968 else if (!strcmp (key, "attach"))
893 m->attach = value; 969 m->attach = value;
894 } else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) { 970 else if (!strcmp (key, "hp") || !strcmp (key, "enter_x"))
895 m->enter_x = atoi(value); 971 m->enter_x = atoi (value);
896 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) { 972 else if (!strcmp (key, "sp") || !strcmp (key, "enter_y"))
897 m->enter_y = atoi(value); 973 m->enter_y = atoi (value);
898 } else if (!strcmp(key,"x") || !strcmp(key, "width")) { 974 else if (!strcmp (key, "x") || !strcmp (key, "width"))
899 m->width = atoi(value); 975 m->width = atoi (value);
900 } else if (!strcmp(key,"y") || !strcmp(key, "height")) { 976 else if (!strcmp (key, "y") || !strcmp (key, "height"))
901 m->height = atoi(value); 977 m->height = atoi (value);
902 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) { 978 else if (!strcmp (key, "weight") || !strcmp (key, "reset_timeout"))
903 m->reset_timeout = atoi(value); 979 m->reset_timeout = atoi (value);
904 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) { 980 else if (!strcmp (key, "value") || !strcmp (key, "swap_time"))
905 m->timeout = atoi(value); 981 m->timeout = atoi (value);
906 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) { 982 else if (!strcmp (key, "level") || !strcmp (key, "difficulty"))
907 m->difficulty = atoi(value); 983 m->difficulty = clamp (atoi (value), 1, settings.max_level);
908 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) { 984 else if (!strcmp (key, "invisible") || !strcmp (key, "darkness"))
909 m->darkness = atoi(value); 985 m->darkness = atoi (value);
910 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) { 986 else if (!strcmp (key, "stand_still") || !strcmp (key, "fixed_resettime"))
911 m->fixed_resettime = atoi(value); 987 m->fixed_resettime = atoi (value);
912 } else if (!strcmp(key,"unique")) { 988 else if (!strcmp (key, "unique"))
913 m->unique = atoi(value); 989 m->unique = atoi (value);
914 } else if (!strcmp(key,"template")) { 990 else if (!strcmp (key, "template"))
915 m->templatemap = atoi(value); 991 m->templatemap = atoi (value);
916 } else if (!strcmp(key,"region")) { 992 else if (!strcmp (key, "region"))
917 m->region = get_region_by_name(value); 993 m->region = get_region_by_name (value);
918 } else if (!strcmp(key,"shopitems")) { 994 else if (!strcmp (key, "shopitems"))
995 {
919 *end=0; 996 *end = 0;
920 m->shopitems = parse_shop_string(value); 997 m->shopitems = parse_shop_string (value);
998 }
921 } else if (!strcmp(key,"shopgreed")) { 999 else if (!strcmp (key, "shopgreed"))
922 m->shopgreed = atof(value); 1000 m->shopgreed = atof (value);
923 } else if (!strcmp(key,"shopmin")) { 1001 else if (!strcmp (key, "shopmin"))
924 m->shopmin = atol(value); 1002 m->shopmin = atol (value);
925 } else if (!strcmp(key,"shopmax")) { 1003 else if (!strcmp (key, "shopmax"))
926 m->shopmax = atol(value); 1004 m->shopmax = atol (value);
927 } else if (!strcmp(key,"shoprace")) { 1005 else if (!strcmp (key, "shoprace"))
1006 {
928 *end=0; 1007 *end = 0;
929 m->shoprace = strdup_local(value); 1008 m->shoprace = strdup (value);
1009 }
930 } else if (!strcmp(key,"outdoor")) { 1010 else if (!strcmp (key, "outdoor"))
931 m->outdoor = atoi(value); 1011 m->outdoor = atoi (value);
932 } else if (!strcmp(key, "temp")) { 1012 else if (!strcmp (key, "temp"))
933 m->temp = atoi(value); 1013 m->temp = atoi (value);
934 } else if (!strcmp(key, "pressure")) { 1014 else if (!strcmp (key, "pressure"))
935 m->pressure = atoi(value); 1015 m->pressure = atoi (value);
936 } else if (!strcmp(key, "humid")) { 1016 else if (!strcmp (key, "humid"))
937 m->humid = atoi(value); 1017 m->humid = atoi (value);
938 } else if (!strcmp(key, "windspeed")) { 1018 else if (!strcmp (key, "windspeed"))
939 m->windspeed = atoi(value); 1019 m->windspeed = atoi (value);
940 } else if (!strcmp(key, "winddir")) { 1020 else if (!strcmp (key, "winddir"))
941 m->winddir = atoi(value); 1021 m->winddir = atoi (value);
942 } else if (!strcmp(key, "sky")) { 1022 else if (!strcmp (key, "sky"))
943 m->sky = atoi(value); 1023 m->sky = atoi (value);
944 } else if (!strcmp(key, "nosmooth")) { 1024 else if (!strcmp (key, "nosmooth"))
945 m->nosmooth = atoi(value); 1025 m->nosmooth = atoi (value);
946 }
947 else if (!strncmp(key,"tile_path_", 10)) { 1026 else if (!strncmp (key, "tile_path_", 10))
1027 {
948 int tile=atoi(key+10); 1028 int tile = atoi (key + 10);
949 1029
950 if (tile<1 || tile>4) { 1030 if (tile < 1 || tile > 4)
1031 {
951 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n", 1032 LOG (llevError, "load_map_header: tile location %d out of bounds (%s)\n", tile, m->path);
952 tile, m->path); 1033 }
953 } else { 1034 else
1035 {
954 char *path; 1036 char *path;
955 1037
956 *end = 0; 1038 *end = 0;
957 1039
958 if (m->tile_path[tile-1]) { 1040 if (m->tile_path[tile - 1])
1041 {
959 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n", 1042 LOG (llevError, "load_map_header: tile location %d duplicated (%s)\n", tile, m->path);
960 tile, m->path);
961 free(m->tile_path[tile-1]); 1043 free (m->tile_path[tile - 1]);
962 m->tile_path[tile-1] = NULL; 1044 m->tile_path[tile - 1] = NULL;
963 } 1045 }
964 1046
965 if (check_path(value, 1) != -1) { 1047 if (check_path (value, 1) != -1)
1048 {
966 /* The unadorned path works. */ 1049 /* The unadorned path works. */
967 path = value; 1050 path = value;
1051 }
968 } else { 1052 else
1053 {
969 /* Try again; it could be a relative exit. */ 1054 /* Try again; it could be a relative exit. */
970 1055
971 path = path_combine_and_normalize(m->path, value); 1056 path = path_combine_and_normalize (m->path, value);
972 1057
973 if (check_path(path, 1) == -1) { 1058 if (check_path (path, 1) == -1)
1059 {
974 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value); 1060 LOG (llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
975 path = NULL; 1061 path = NULL;
976 } 1062 }
977 } 1063 }
978 1064
979 if (editor) { 1065 if (editor)
1066 {
980 /* Use the value as in the file. */ 1067 /* Use the value as in the file. */
981 m->tile_path[tile-1] = strdup_local(value); 1068 m->tile_path[tile - 1] = strdup (value);
982 } else if (path != NULL) {
983 /* Use the normalized value. */
984 m->tile_path[tile-1] = strdup_local(path);
985 } 1069 }
1070 else if (path != NULL)
1071 {
1072 /* Use the normalized value. */
1073 m->tile_path[tile - 1] = strdup (path);
1074 }
986 } /* end if tile direction (in)valid */ 1075 } /* end if tile direction (in)valid */
987 } 1076 }
988 else { 1077 else
989 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value); 1078 LOG (llevError, "Got unknown value in map header: %s %s\n", key, value);
990 }
991 } 1079 }
1080
992 if (!key || strcmp(key,"end")) { 1081 if (!key || strcmp (key, "end"))
1082 {
993 LOG(llevError,"Got premature eof on map header!\n"); 1083 LOG (llevError, "Got premature eof on map header!\n");
994 return 1; 1084 return 1;
995 } 1085 }
1086
996 return 0; 1087 return 0;
997} 1088}
998 1089
999/* 1090/*
1000 * Opens the file "filename" and reads information about the map 1091 * Opens the file "filename" and reads information about the map
1001 * from the given file, and stores it in a newly allocated 1092 * from the given file, and stores it in a newly allocated
1002 * mapstruct. A pointer to this structure is returned, or NULL on failure. 1093 * maptile. A pointer to this structure is returned, or NULL on failure.
1003 * flags correspond to those in map.h. Main ones used are 1094 * flags correspond to those in map.h. Main ones used are
1004 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and 1095 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1005 * MAP_BLOCK, in which case we block on this load. This happens in all 1096 * MAP_BLOCK, in which case we block on this load. This happens in all
1006 * cases, no matter if this flag is set or not. 1097 * cases, no matter if this flag is set or not.
1007 * MAP_STYLE: style map - don't add active objects, don't add to server 1098 * MAP_STYLE: style map - don't add active objects, don't add to server
1008 * managed map list. 1099 * managed map list.
1009 */ 1100 */
1010 1101
1102maptile *
1011mapstruct *load_original_map(const char *filename, int flags) { 1103load_original_map (const char *filename, int flags)
1012 mapstruct *m; 1104{
1105 maptile *m;
1013 char pathname[MAX_BUF]; 1106 char pathname[MAX_BUF];
1014 1107
1015 if (flags & MAP_PLAYER_UNIQUE) 1108 if (flags & MAP_PLAYER_UNIQUE)
1016 strcpy(pathname, filename); 1109 strcpy (pathname, filename);
1017 else if (flags & MAP_OVERLAY) 1110 else if (flags & MAP_OVERLAY)
1018 strcpy(pathname, create_overlay_pathname(filename)); 1111 strcpy (pathname, create_overlay_pathname (filename));
1019 else 1112 else
1020 strcpy(pathname, create_pathname(filename)); 1113 strcpy (pathname, create_pathname (filename));
1021 1114
1022 LOG(llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname); 1115 LOG (llevDebug, "load_original_map(%x): %s (%s)\n", flags, filename, pathname);
1023 1116
1024 object_thawer thawer (pathname); 1117 object_thawer thawer (pathname);
1025 1118
1026 if (!thawer) 1119 if (!thawer)
1120 return 0;
1121
1122 m = get_linked_map ();
1123
1124 strcpy (m->path, filename);
1125 if (load_map_header (thawer, m))
1126 {
1127 LOG (llevError, "Error loading map header for %s, flags=%d\n", filename, flags);
1128 delete_map (m);
1027 return 0; 1129 return 0;
1028
1029 m = get_linked_map();
1030
1031 strcpy (m->path, filename);
1032 if (load_map_header(thawer, m)) {
1033 LOG(llevError,"Error loading map header for %s, flags=%d\n",
1034 filename, flags);
1035 delete_map(m);
1036 return NULL;
1037 } 1130 }
1038 1131
1039 allocate_map(m); 1132 m->allocate ();
1040 1133
1041 m->in_memory=MAP_LOADING; 1134 m->in_memory = MAP_LOADING;
1042 load_objects (m, thawer, flags & (MAP_BLOCK|MAP_STYLE)); 1135 load_objects (m, thawer, flags & (MAP_BLOCK | MAP_STYLE));
1043 1136
1044 m->in_memory=MAP_IN_MEMORY; 1137 m->in_memory = MAP_IN_MEMORY;
1045 if (!MAP_DIFFICULTY(m)) 1138 if (!m->difficulty)
1046 MAP_DIFFICULTY(m)=calculate_difficulty(m); 1139 m->difficulty = calculate_difficulty (m);
1047 set_map_reset_time(m); 1140 set_map_reset_time (m);
1048 m->instantiate (); 1141 m->instantiate ();
1049 return (m); 1142 return (m);
1050} 1143}
1051 1144
1052/* 1145/*
1053 * Loads a map, which has been loaded earlier, from file. 1146 * Loads a map, which has been loaded earlier, from file.
1054 * Return the map object we load into (this can change from the passed 1147 * Return the map object we load into (this can change from the passed
1055 * option if we can't find the original map) 1148 * option if we can't find the original map)
1056 */ 1149 */
1057 1150
1058static mapstruct *load_temporary_map(mapstruct *m) { 1151static maptile *
1152load_temporary_map (maptile *m)
1153{
1059 char buf[MAX_BUF]; 1154 char buf[MAX_BUF];
1060 1155
1061 if (!m->tmpname) { 1156 if (!m->tmpname)
1157 {
1062 LOG(llevError, "No temporary filename for map %s\n", m->path); 1158 LOG (llevError, "No temporary filename for map %s\n", m->path);
1063 strcpy(buf, m->path);
1064 delete_map(m);
1065 m = load_original_map(buf, 0);
1066 if(m==NULL) return NULL;
1067 fix_auto_apply(m); /* Chests which open as default */
1068 return m;
1069 }
1070
1071 object_thawer thawer (m->tmpname);
1072
1073 if (!thawer)
1074 {
1075 strcpy (buf, m->path); 1159 strcpy (buf, m->path);
1076 delete_map (m); 1160 delete_map (m);
1077 m = load_original_map (buf, 0); 1161 m = load_original_map (buf, 0);
1078 if (!m) return NULL; 1162 if (m == NULL)
1079 fix_auto_apply (m); /* Chests which open as default */
1080 return m;
1081 }
1082
1083 if (load_map_header(thawer, m)) {
1084 LOG(llevError,"Error loading map header for %s (%s)\n",
1085 m->path, m->tmpname);
1086 delete_map(m);
1087 m = load_original_map(m->path, 0);
1088 return NULL; 1163 return NULL;
1164 fix_auto_apply (m); /* Chests which open as default */
1165 return m;
1166 }
1167
1168 object_thawer thawer (m->tmpname);
1169
1170 if (!thawer)
1089 } 1171 {
1090 allocate_map(m); 1172 strcpy (buf, m->path);
1173 delete_map (m);
1174 m = load_original_map (buf, 0);
1175 if (!m)
1176 return NULL;
1177 fix_auto_apply (m); /* Chests which open as default */
1178 return m;
1179 }
1091 1180
1181 if (load_map_header (thawer, m))
1182 {
1183 LOG (llevError, "Error loading map header for %s (%s)\n", m->path, m->tmpname);
1184 delete_map (m);
1185 m = load_original_map (m->path, 0);
1186 return NULL;
1187 }
1188
1189 m->allocate ();
1190
1092 m->in_memory=MAP_LOADING; 1191 m->in_memory = MAP_LOADING;
1093 load_objects (m, thawer, 0); 1192 load_objects (m, thawer, 0);
1094 1193
1095 m->in_memory=MAP_IN_MEMORY; 1194 m->in_memory = MAP_IN_MEMORY;
1096 INVOKE_MAP (SWAPIN, m); 1195 INVOKE_MAP (SWAPIN, m);
1097 return m; 1196 return m;
1098} 1197}
1099 1198
1100/* 1199/*
1101 * Loads a map, which has been loaded earlier, from file. 1200 * Loads a map, which has been loaded earlier, from file.
1102 * Return the map object we load into (this can change from the passed 1201 * Return the map object we load into (this can change from the passed
1103 * option if we can't find the original map) 1202 * option if we can't find the original map)
1104 */ 1203 */
1105 1204
1205maptile *
1106mapstruct *load_overlay_map(const char *filename, mapstruct *m) { 1206load_overlay_map (const char *filename, maptile *m)
1207{
1107 char pathname[MAX_BUF]; 1208 char pathname[MAX_BUF];
1108 1209
1109 strcpy(pathname, create_overlay_pathname(filename)); 1210 strcpy (pathname, create_overlay_pathname (filename));
1110 1211
1111 object_thawer thawer (pathname); 1212 object_thawer thawer (pathname);
1112 1213
1113 if (!thawer) 1214 if (!thawer)
1114 return m;
1115
1116 if (load_map_header(thawer, m)) {
1117 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1118 m->path, pathname);
1119 delete_map(m);
1120 m = load_original_map(m->path, 0);
1121 return NULL;
1122 }
1123 /*allocate_map(m);*/
1124
1125 m->in_memory=MAP_LOADING;
1126 load_objects (m, thawer, MAP_OVERLAY);
1127
1128 m->in_memory=MAP_IN_MEMORY;
1129 return m; 1215 return m;
1216
1217 if (load_map_header (thawer, m))
1218 {
1219 LOG (llevError, "Error loading map header for overlay %s (%s)\n", m->path, pathname);
1220 delete_map (m);
1221 m = load_original_map (m->path, 0);
1222 return 0;
1223 }
1224 /*m->allocate ();*/
1225
1226 m->in_memory = MAP_LOADING;
1227 load_objects (m, thawer, MAP_OVERLAY);
1228
1229 m->in_memory = MAP_IN_MEMORY;
1230 return m;
1130} 1231}
1131 1232
1132/****************************************************************************** 1233/******************************************************************************
1133 * This is the start of unique map handling code 1234 * This is the start of unique map handling code
1134 *****************************************************************************/ 1235 *****************************************************************************/
1135 1236
1136/* This goes through map 'm' and removed any unique items on the map. */ 1237/* This goes through map 'm' and removed any unique items on the map. */
1137static void delete_unique_items(mapstruct *m) 1238static void
1239delete_unique_items (maptile *m)
1138{ 1240{
1139 int i,j,unique; 1241 int i, j, unique;
1140 object *op, *next; 1242 object *op, *next;
1141 1243
1142 for(i=0; i<MAP_WIDTH(m); i++) 1244 for (i = 0; i < m->width; i++)
1143 for(j=0; j<MAP_HEIGHT(m); j++) { 1245 for (j = 0; j < m->height; j++)
1246 {
1144 unique=0; 1247 unique = 0;
1248
1145 for (op=get_map_ob(m, i, j); op; op=next) { 1249 for (op = GET_MAP_OB (m, i, j); op; op = next)
1250 {
1146 next = op->above; 1251 next = op->above;
1252
1147 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 1253 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1148 unique=1; 1254 unique = 1;
1255
1149 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 1256 if (op->head == NULL && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1150 clean_object(op); 1257 {
1151 if (QUERY_FLAG(op, FLAG_IS_LINKED)) 1258 op->destroy_inv (false);
1152 remove_button_link(op); 1259 op->destroy ();
1153 remove_ob(op);
1154 free_object(op);
1155 } 1260 }
1156 } 1261 }
1157 } 1262 }
1158} 1263}
1159 1264
1160 1265
1161/* 1266/*
1162 * Loads unique objects from file(s) into the map which is in memory 1267 * Loads unique objects from file(s) into the map which is in memory
1163 * m is the map to load unique items into. 1268 * m is the map to load unique items into.
1164 */ 1269 */
1165static void load_unique_objects(mapstruct *m) { 1270static void
1271load_unique_objects (maptile *m)
1272{
1166 int count; 1273 int count;
1167 char firstname[MAX_BUF]; 1274 char firstname[MAX_BUF];
1168 1275
1169 for (count=0; count<10; count++) { 1276 for (count = 0; count < 10; count++)
1277 {
1170 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count); 1278 sprintf (firstname, "%s.v%02d", create_items_path (m->path), count);
1171 if (!access(firstname, R_OK)) break; 1279 if (!access (firstname, R_OK))
1280 break;
1172 } 1281 }
1173 /* If we get here, we did not find any map */ 1282 /* If we get here, we did not find any map */
1174 if (count==10) return; 1283 if (count == 10)
1284 return;
1175 1285
1176 object_thawer thawer (firstname); 1286 object_thawer thawer (firstname);
1177 1287
1178 if (!thawer) 1288 if (!thawer)
1179 return; 1289 return;
1180 1290
1181 m->in_memory=MAP_LOADING; 1291 m->in_memory = MAP_LOADING;
1182 if (m->tmpname == NULL) /* if we have loaded unique items from */ 1292 if (m->tmpname == NULL) /* if we have loaded unique items from */
1183 delete_unique_items(m); /* original map before, don't duplicate them */ 1293 delete_unique_items (m); /* original map before, don't duplicate them */
1294
1184 load_objects (m, thawer, 0); 1295 load_objects (m, thawer, 0);
1185 1296
1186 m->in_memory=MAP_IN_MEMORY; 1297 m->in_memory = MAP_IN_MEMORY;
1187} 1298}
1188
1189 1299
1190/* 1300/*
1191 * Saves a map to file. If flag is set, it is saved into the same 1301 * Saves a map to file. If flag is set, it is saved into the same
1192 * file it was (originally) loaded from. Otherwise a temporary 1302 * file it was (originally) loaded from. Otherwise a temporary
1193 * filename will be genarated, and the file will be stored there. 1303 * filename will be genarated, and the file will be stored there.
1194 * The temporary filename will be stored in the mapstructure. 1304 * The temporary filename will be stored in the maptileure.
1195 * If the map is unique, we also save to the filename in the map 1305 * If the map is unique, we also save to the filename in the map
1196 * (this should have been updated when first loaded) 1306 * (this should have been updated when first loaded)
1197 */ 1307 */
1198
1199int 1308int
1200new_save_map (mapstruct * m, int flag) 1309new_save_map (maptile *m, int flag)
1201{ 1310{
1202 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF]; 1311 char filename[MAX_BUF], buf[MAX_BUF], shop[MAX_BUF];
1203 int i; 1312 int i;
1204 1313
1205 if (flag && !*m->path) 1314 if (flag && !*m->path)
… …
1209 } 1318 }
1210 1319
1211 if (flag || (m->unique) || (m->templatemap)) 1320 if (flag || (m->unique) || (m->templatemap))
1212 { 1321 {
1213 if (!m->unique && !m->templatemap) 1322 if (!m->unique && !m->templatemap)
1214 { /* flag is set */ 1323 { /* flag is set */
1215 if (flag == 2) 1324 if (flag == 2)
1216 strcpy (filename, create_overlay_pathname (m->path)); 1325 strcpy (filename, create_overlay_pathname (m->path));
1217 else 1326 else
1218 strcpy (filename, create_pathname (m->path)); 1327 strcpy (filename, create_pathname (m->path));
1219 } 1328 }
… …
1223 make_path_to_file (filename); 1332 make_path_to_file (filename);
1224 } 1333 }
1225 else 1334 else
1226 { 1335 {
1227 if (!m->tmpname) 1336 if (!m->tmpname)
1228 m->tmpname = tempnam_local (settings.tmpdir, NULL); 1337 m->tmpname = tempnam (settings.tmpdir, NULL);
1229 1338
1230 strcpy (filename, m->tmpname); 1339 strcpy (filename, m->tmpname);
1231 } 1340 }
1232 1341
1233 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename); 1342 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename);
… …
1257 print_shop_string (m, shop); 1366 print_shop_string (m, shop);
1258 fprintf (freezer, "shopitems %s\n", shop); 1367 fprintf (freezer, "shopitems %s\n", shop);
1259 } 1368 }
1260 if (m->shopgreed) 1369 if (m->shopgreed)
1261 fprintf (freezer, "shopgreed %f\n", m->shopgreed); 1370 fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1262#ifndef WIN32
1263 if (m->shopmin) 1371 if (m->shopmin)
1264 fprintf (freezer, "shopmin %llu\n", m->shopmin); 1372 fprintf (freezer, "shopmin %llu\n", m->shopmin);
1265 if (m->shopmax) 1373 if (m->shopmax)
1266 fprintf (freezer, "shopmax %llu\n", m->shopmax); 1374 fprintf (freezer, "shopmax %llu\n", m->shopmax);
1267#else
1268 if (m->shopmin)
1269 fprintf (freezer, "shopmin %I64u\n", m->shopmin);
1270 if (m->shopmax)
1271 fprintf (freezer, "shopmax %I64u\n", m->shopmax);
1272#endif
1273 if (m->shoprace) 1375 if (m->shoprace)
1274 fprintf (freezer, "shoprace %s\n", m->shoprace); 1376 fprintf (freezer, "shoprace %s\n", m->shoprace);
1275 if (m->darkness) 1377 if (m->darkness)
1276 fprintf (freezer, "darkness %d\n", m->darkness); 1378 fprintf (freezer, "darkness %d\n", m->darkness);
1277 if (m->width) 1379 if (m->width)
… …
1333 sprintf (buf, "%s.v00", create_items_path (m->path)); 1435 sprintf (buf, "%s.v00", create_items_path (m->path));
1334 1436
1335 unique.save (buf); 1437 unique.save (buf);
1336 } 1438 }
1337 else 1439 else
1338 { /* save same file when not playing, like in editor */ 1440 { /* save same file when not playing, like in editor */
1339 save_objects (m, freezer, freezer, 0); 1441 save_objects (m, freezer, freezer, 0);
1340 } 1442 }
1341 1443
1342 freezer.save (filename); 1444 freezer.save (filename);
1343 1445
1344 return 0; 1446 return 0;
1345}
1346
1347
1348/*
1349 * Remove and free all objects in the inventory of the given object.
1350 * object.c ?
1351 */
1352
1353void clean_object(object *op)
1354{
1355 object *tmp, *next;
1356
1357 for(tmp = op->inv; tmp; tmp = next)
1358 {
1359 next = tmp->below;
1360 clean_object(tmp);
1361 if (QUERY_FLAG(tmp, FLAG_IS_LINKED))
1362 remove_button_link(tmp);
1363 remove_ob(tmp);
1364 free_object(tmp);
1365 }
1366} 1447}
1367 1448
1368/* 1449/*
1369 * Remove and free all objects in the given map. 1450 * Remove and free all objects in the given map.
1370 */ 1451 */
1371 1452void
1372void free_all_objects(mapstruct *m) { 1453free_all_objects (maptile *m)
1373 int i,j; 1454{
1374 object *op; 1455 if (!m->spaces)
1456 return;
1375 1457
1376 for(i=0;i<MAP_WIDTH(m);i++) 1458 for (int i = 0; i < m->width; i++)
1377 for(j=0;j<MAP_HEIGHT(m);j++) { 1459 for (int j = 0; j < m->height; j++)
1378 object *previous_obj=NULL; 1460 {
1379 while((op=GET_MAP_OB(m,i,j))!=NULL) { 1461 mapspace &ms = m->at (i, j);
1380 if (op==previous_obj) { 1462
1381 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n"); 1463 while (object *op = ms.bot)
1382 break; 1464 {
1383 }
1384 previous_obj=op;
1385 if(op->head!=NULL) 1465 if (op->head)
1386 op = op->head; 1466 op = op->head;
1387 1467
1388 /* If the map isn't in memory, free_object will remove and 1468 op->destroy_inv (false);
1389 * free objects in op's inventory. So let it do the job. 1469 op->destroy ();
1390 */
1391 if (m->in_memory==MAP_IN_MEMORY)
1392 clean_object(op);
1393 remove_ob(op);
1394 free_object(op);
1395 } 1470 }
1396 } 1471 }
1397} 1472}
1398 1473
1399/* 1474/*
1400 * Frees everything allocated by the given mapstructure. 1475 * Frees everything allocated by the given maptileure.
1401 * don't free tmpname - our caller is left to do that 1476 * don't free tmpname - our caller is left to do that
1402 */ 1477 */
1403 1478void
1404void free_map(mapstruct *m,int flag) { 1479free_map (maptile *m, int flag)
1405 int i; 1480{
1406 1481 if (!m->in_memory) //TODO: makes no sense to me?
1407 if (!m->in_memory) {
1408 LOG(llevError,"Trying to free freed map.\n");
1409 return; 1482 return;
1410 } 1483
1411 if (flag && m->spaces) free_all_objects(m); 1484 m->in_memory = MAP_SAVING;
1412 if (m->name) FREE_AND_CLEAR(m->name); 1485
1413 if (m->spaces) FREE_AND_CLEAR(m->spaces); 1486 // TODO: use new/delete
1414 if (m->msg) FREE_AND_CLEAR(m->msg); 1487
1415 if (m->maplore) FREE_AND_CLEAR(m->maplore); 1488 if (flag && m->spaces)
1416 if (m->shopitems) delete [] m->shopitems; m->shopitems = 0; 1489 free_all_objects (m);
1417 if (m->shoprace) FREE_AND_CLEAR(m->shoprace); 1490
1491 free (m->name), m->name = 0;
1492 free (m->spaces), m->spaces = 0;
1493 free (m->msg), m->msg = 0;
1494 free (m->maplore), m->maplore = 0;
1495 free (m->shoprace), m->shoprace = 0;
1496 delete [] m->shopitems, m->shopitems = 0;
1497
1418 if (m->buttons) 1498 if (m->buttons)
1419 free_objectlinkpt(m->buttons); 1499 free_objectlinkpt (m->buttons), m->buttons = 0;
1420 m->buttons = NULL; 1500
1421 for (i=0; i<4; i++) { 1501 for (int i = 0; i < 4; i++)
1502 {
1503 if (m->tile_path[i])
1422 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]); 1504 free (m->tile_path[i]), m->tile_path[i] = 0;
1505
1423 m->tile_map[i] = NULL; 1506 m->tile_map[i] = 0;
1424 } 1507 }
1508
1425 m->in_memory = MAP_SWAPPED; 1509 m->in_memory = MAP_SWAPPED;
1426} 1510}
1427 1511
1428/* 1512maptile::~maptile ()
1429 * function: vanish mapstruct 1513{
1430 * m : pointer to mapstruct, if NULL no action
1431 * this deletes all the data on the map (freeing pointers)
1432 * and then removes this map from the global linked list of maps.
1433 */
1434
1435void delete_map(mapstruct *m) {
1436 mapstruct *tmp, *last;
1437 int i;
1438
1439 if (!m)
1440 return;
1441
1442 m->clear ();
1443
1444 if (m->in_memory == MAP_IN_MEMORY) {
1445 /* change to MAP_SAVING, even though we are not,
1446 * so that remove_ob doesn't do as much work.
1447 */
1448 m->in_memory = MAP_SAVING;
1449 free_map (m, 1); 1514 free_map (this, 1);
1450 }
1451 /* move this out of free_map, since tmpname can still be needed if
1452 * the map is swapped out.
1453 */
1454 if (m->tmpname) {
1455 free(m->tmpname); 1515 free (tmpname);
1456 m->tmpname=NULL; 1516}
1457 } 1517
1458 last = NULL; 1518void
1519maptile::do_destroy ()
1520{
1521 attachable::do_destroy ();
1522
1523 free_all_objects (this);
1524
1459 /* We need to look through all the maps and see if any maps 1525 /* We need to look through all the maps and see if any maps
1460 * are pointing at this one for tiling information. Since 1526 * are pointing at this one for tiling information. Since
1461 * tiling can be assymetric, we just can not look to see which 1527 * tiling can be asymetric, we just can not look to see which
1462 * maps this map tiles with and clears those. 1528 * maps this map tiles with and clears those.
1463 */ 1529 */
1464 for (tmp = first_map; tmp != NULL; tmp = tmp->next) { 1530 //TODO: non-euclidean-tiling MUST GO
1465 if (tmp->next == m) last = tmp; 1531 for (maptile *m = first_map; m; m = m->next)
1466
1467 /* This should hopefully get unrolled on a decent compiler */
1468 for (i=0; i<4; i++) 1532 for (int i = 0; i < 4; i++)
1469 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL; 1533 if (m->tile_map[i] == this)
1470 } 1534 m->tile_map[i] = 0;
1471 1535
1472 /* If last is null, then this should be the first map in the list */ 1536 if (first_map == this)
1473 if (!last) {
1474 if (m == first_map)
1475 first_map = m->next; 1537 first_map = next;
1476 else
1477 /* m->path is a static char, so should hopefully still have
1478 * some useful data in it.
1479 */
1480 LOG(llevError,"delete_map: Unable to find map %s in list\n",
1481 m->path);
1482 }
1483 else 1538 else
1484 last->next = m->next; 1539 for (maptile *m = first_map; m; m = m->next)
1485 1540 if (m->next = this)
1486 delete m; 1541 {
1542 m->next = next;
1543 break;
1544 }
1487} 1545}
1488 1546
1489 1547//TODO: must go
1548void
1549delete_map (maptile *m)
1550{
1551 if (m)
1552 m->destroy ();
1553}
1490 1554
1491/* 1555/*
1492 * Makes sure the given map is loaded and swapped in. 1556 * Makes sure the given map is loaded and swapped in.
1493 * name is path name of the map. 1557 * name is path name of the map.
1494 * flags meaning: 1558 * flags meaning:
… …
1497 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player. 1561 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1498 * dont do any more name translation on it. 1562 * dont do any more name translation on it.
1499 * 1563 *
1500 * Returns a pointer to the given map. 1564 * Returns a pointer to the given map.
1501 */ 1565 */
1502 1566maptile *
1503mapstruct *ready_map_name(const char *name, int flags) { 1567ready_map_name (const char *name, int flags)
1504 mapstruct *m; 1568{
1505
1506 if (!name) 1569 if (!name)
1507 return (NULL); 1570 return 0;
1508 1571
1509 /* Have we been at this level before? */ 1572 /* Have we been at this level before? */
1510 m = has_been_loaded (name); 1573 maptile *m = has_been_loaded (name);
1511 1574
1512 /* Map is good to go, so just return it */ 1575 /* Map is good to go, so just return it */
1513 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) { 1576 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY))
1514 return m;
1515 }
1516
1517 /* unique maps always get loaded from their original location, and never
1518 * a temp location. Likewise, if map_flush is set, or we have never loaded
1519 * this map, load it now. I removed the reset checking from here -
1520 * it seems the probability of a player trying to enter a map that should
1521 * reset but hasn't yet is quite low, and removing that makes this function
1522 * a bit cleaner (and players probably shouldn't rely on exact timing for
1523 * resets in any case - if they really care, they should use the 'maps command.
1524 */
1525 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) {
1526
1527 /* first visit or time to reset */
1528 if (m) {
1529 clean_tmp_map(m); /* Doesn't make much difference */
1530 delete_map(m);
1531 }
1532
1533 /* create and load a map */
1534 if (flags & MAP_PLAYER_UNIQUE)
1535 LOG(llevDebug, "Trying to load map %s.\n", name);
1536 else
1537 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name));
1538
1539 //eval_pv ("$x = Event::time", 1);//D
1540 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE))))
1541 return (NULL);
1542 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1543
1544 fix_auto_apply(m); /* Chests which open as default */
1545
1546 /* If a player unique map, no extra unique object file to load.
1547 * if from the editor, likewise.
1548 */
1549 if (!(flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)))
1550 load_unique_objects(m);
1551
1552 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) {
1553 m=load_overlay_map(name, m);
1554 if (m==NULL)
1555 return NULL;
1556 }
1557
1558 if (flags & MAP_PLAYER_UNIQUE)
1559 INVOKE_MAP (SWAPIN, m);
1560
1561 } else {
1562 /* If in this loop, we found a temporary map, so load it up. */
1563
1564 m=load_temporary_map (m);
1565 if(m==NULL) return NULL;
1566 load_unique_objects(m);
1567
1568 clean_tmp_map(m);
1569 m->in_memory = MAP_IN_MEMORY;
1570 /* tempnam() on sun systems (probably others) uses malloc
1571 * to allocated space for the string. Free it here.
1572 * In some cases, load_temporary_map above won't find the
1573 * temporary map, and so has reloaded a new map. If that
1574 * is the case, tmpname is now null
1575 */
1576 if (m->tmpname) free(m->tmpname);
1577 m->tmpname = NULL;
1578 /* It's going to be saved anew anyway */
1579 }
1580
1581 /* Below here is stuff common to both first time loaded maps and
1582 * temp maps.
1583 */
1584
1585 decay_objects(m); /* start the decay */
1586 /* In case other objects press some buttons down */
1587 update_buttons(m);
1588 if (m->outdoor)
1589 set_darkness_map(m);
1590 /* run the weather over this map */
1591 weather_effect(name);
1592 return m; 1577 return m;
1578
1579 /* unique maps always get loaded from their original location, and never
1580 * a temp location. Likewise, if map_flush is set, or we have never loaded
1581 * this map, load it now. I removed the reset checking from here -
1582 * it seems the probability of a player trying to enter a map that should
1583 * reset but hasn't yet is quite low, and removing that makes this function
1584 * a bit cleaner (and players probably shouldn't rely on exact timing for
1585 * resets in any case - if they really care, they should use the 'maps command.
1586 */
1587 if ((flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)) || !m)
1588 {
1589 /* first visit or time to reset */
1590 if (m)
1591 {
1592 clean_tmp_map (m); /* Doesn't make much difference */
1593 delete_map (m);
1594 }
1595
1596 /* create and load a map */
1597 if (flags & MAP_PLAYER_UNIQUE)
1598 LOG (llevDebug, "Trying to load map %s.\n", name);
1599 else
1600 LOG (llevDebug, "Trying to load map %s.\n", create_pathname (name));
1601
1602 //eval_pv ("$x = Event::time", 1);//D
1603 if (!(m = load_original_map (name, (flags & MAP_PLAYER_UNIQUE))))
1604 return (NULL);
1605 //eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1606
1607 fix_auto_apply (m); /* Chests which open as default */
1608
1609 /* If a player unique map, no extra unique object file to load.
1610 * if from the editor, likewise.
1611 */
1612 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE)))
1613 load_unique_objects (m);
1614
1615 if (!(flags & (MAP_FLUSH | MAP_PLAYER_UNIQUE | MAP_OVERLAY)))
1616 {
1617 m = load_overlay_map (name, m);
1618 if (m == NULL)
1619 return NULL;
1620 }
1621
1622 if (flags & MAP_PLAYER_UNIQUE)
1623 INVOKE_MAP (SWAPIN, m);
1624
1625 }
1626 else
1627 {
1628 /* If in this loop, we found a temporary map, so load it up. */
1629
1630 m = load_temporary_map (m);
1631 if (m == NULL)
1632 return NULL;
1633 load_unique_objects (m);
1634
1635 clean_tmp_map (m);
1636 m->in_memory = MAP_IN_MEMORY;
1637 /* tempnam() on sun systems (probably others) uses malloc
1638 * to allocated space for the string. Free it here.
1639 * In some cases, load_temporary_map above won't find the
1640 * temporary map, and so has reloaded a new map. If that
1641 * is the case, tmpname is now null
1642 */
1643 if (m->tmpname)
1644 free (m->tmpname);
1645 m->tmpname = NULL;
1646 /* It's going to be saved anew anyway */
1647 }
1648
1649 /* Below here is stuff common to both first time loaded maps and
1650 * temp maps.
1651 */
1652
1653 decay_objects (m); /* start the decay */
1654 /* In case other objects press some buttons down */
1655 update_buttons (m);
1656 if (m->outdoor)
1657 set_darkness_map (m);
1658 /* run the weather over this map */
1659 weather_effect (name);
1660 return m;
1593} 1661}
1594 1662
1595 1663
1596/* 1664/*
1597 * This routine is supposed to find out the difficulty of the map. 1665 * This routine is supposed to find out the difficulty of the map.
… …
1602 * in the map is zero, then use this routine. Maps should really 1670 * in the map is zero, then use this routine. Maps should really
1603 * have a difficulty set than using this function - human calculation 1671 * have a difficulty set than using this function - human calculation
1604 * is much better than this functions guesswork. 1672 * is much better than this functions guesswork.
1605 */ 1673 */
1606 1674
1675int
1607int calculate_difficulty(mapstruct *m) { 1676calculate_difficulty (maptile *m)
1677{
1608 object *op; 1678 object *op;
1609 archetype *at; 1679 archetype *at;
1610 int x, y, i; 1680 int x, y, i;
1611 long monster_cnt = 0; 1681 long monster_cnt = 0;
1612 double avgexp = 0; 1682 double avgexp = 0;
1613 sint64 total_exp = 0; 1683 sint64 total_exp = 0;
1614 1684
1615 if (MAP_DIFFICULTY (m)) 1685 if (m->difficulty)
1616 { 1686 {
1617 LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m)); 1687 LOG (llevDebug, "Using stored map difficulty: %d\n", m->difficulty);
1618 return MAP_DIFFICULTY (m); 1688 return m->difficulty;
1619 } 1689 }
1620 1690
1621 for(x = 0; x < MAP_WIDTH(m); x++) 1691 for (x = 0; x < m->width; x++)
1622 for(y = 0; y < MAP_HEIGHT(m); y++) 1692 for (y = 0; y < m->height; y++)
1623 for(op = get_map_ob(m, x, y); op != NULL; op = op->above) 1693 for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above)
1624 { 1694 {
1625 if(QUERY_FLAG (op, FLAG_MONSTER)) 1695 if (QUERY_FLAG (op, FLAG_MONSTER))
1626 { 1696 {
1627 total_exp += op->stats.exp; 1697 total_exp += op->stats.exp;
1628 monster_cnt++; 1698 monster_cnt++;
1629 } 1699 }
1630 1700
1631 if(QUERY_FLAG (op, FLAG_GENERATOR)) 1701 if (QUERY_FLAG (op, FLAG_GENERATOR))
1632 { 1702 {
1633 total_exp += op->stats.exp; 1703 total_exp += op->stats.exp;
1634 at = type_to_archetype(GENERATE_TYPE (op)); 1704 at = type_to_archetype (GENERATE_TYPE (op));
1635 1705
1636 if(at != NULL) 1706 if (at != NULL)
1637 total_exp += at->clone.stats.exp * 8; 1707 total_exp += at->clone.stats.exp * 8;
1638 1708
1639 monster_cnt++; 1709 monster_cnt++;
1640 } 1710 }
1641 } 1711 }
… …
1652 } 1722 }
1653 1723
1654 return 1; 1724 return 1;
1655} 1725}
1656 1726
1657void clean_tmp_map(mapstruct *m) { 1727void
1728clean_tmp_map (maptile *m)
1729{
1658 if(m->tmpname == NULL) 1730 if (m->tmpname == NULL)
1659 return; 1731 return;
1660 INVOKE_MAP (CLEAN, m); 1732 INVOKE_MAP (CLEAN, m);
1661 (void) unlink(m->tmpname); 1733 (void) unlink (m->tmpname);
1662} 1734}
1663 1735
1736void
1664void free_all_maps(void) 1737free_all_maps (void)
1665{ 1738{
1666 int real_maps=0; 1739 int real_maps = 0;
1667 1740
1668 while (first_map) { 1741 while (first_map)
1742 {
1669 /* I think some of the callers above before it gets here set this to be 1743 /* I think some of the callers above before it gets here set this to be
1670 * saving, but we still want to free this data 1744 * saving, but we still want to free this data
1671 */ 1745 */
1672 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY; 1746 if (first_map->in_memory == MAP_SAVING)
1747 first_map->in_memory = MAP_IN_MEMORY;
1673 delete_map(first_map); 1748 delete_map (first_map);
1674 real_maps++; 1749 real_maps++;
1675 } 1750 }
1676 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps); 1751 LOG (llevDebug, "free_all_maps: Freed %d maps\n", real_maps);
1677} 1752}
1678 1753
1679/* change_map_light() - used to change map light level (darkness) 1754/* change_map_light() - used to change map light level (darkness)
1680 * up or down. Returns true if successful. It should now be 1755 * up or down. Returns true if successful. It should now be
1681 * possible to change a value by more than 1. 1756 * possible to change a value by more than 1.
1682 * Move this from los.c to map.c since this is more related 1757 * Move this from los.c to map.c since this is more related
1683 * to maps than los. 1758 * to maps than los.
1684 * postive values make it darker, negative make it brighter 1759 * postive values make it darker, negative make it brighter
1685 */ 1760 */
1686 1761
1762int
1687int change_map_light(mapstruct *m, int change) { 1763change_map_light (maptile *m, int change)
1764{
1688 int new_level = m->darkness + change; 1765 int new_level = m->darkness + change;
1689 1766
1690 /* Nothing to do */ 1767 /* Nothing to do */
1691 if(!change || (new_level <= 0 && m->darkness == 0) || 1768 if (!change || (new_level <= 0 && m->darkness == 0) || (new_level >= MAX_DARKNESS && m->darkness >= MAX_DARKNESS))
1692 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) { 1769 {
1693 return 0; 1770 return 0;
1694 } 1771 }
1695 1772
1696 /* inform all players on the map */ 1773 /* inform all players on the map */
1697 if (change>0) 1774 if (change > 0)
1698 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 1775 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes darker.");
1699 else 1776 else
1700 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 1777 new_info_map (NDI_BLACK | NDI_UNIQUE, m, "It becomes brighter.");
1701 1778
1702 /* Do extra checking. since m->darkness is a unsigned value, 1779 /* Do extra checking. since m->darkness is a unsigned value,
1703 * we need to be extra careful about negative values. 1780 * we need to be extra careful about negative values.
1704 * In general, the checks below are only needed if change 1781 * In general, the checks below are only needed if change
1705 * is not +/-1 1782 * is not +/-1
1706 */ 1783 */
1707 if (new_level < 0) m->darkness = 0; 1784 if (new_level < 0)
1708 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS; 1785 m->darkness = 0;
1786 else if (new_level >= MAX_DARKNESS)
1787 m->darkness = MAX_DARKNESS;
1788 else
1709 else m->darkness=new_level; 1789 m->darkness = new_level;
1710 1790
1711 /* All clients need to get re-updated for the change */ 1791 /* All clients need to get re-updated for the change */
1712 update_all_map_los(m); 1792 update_all_map_los (m);
1713 return 1; 1793 return 1;
1714} 1794}
1715
1716 1795
1717/* 1796/*
1718 * This function updates various attributes about a specific space 1797 * This function updates various attributes about a specific space
1719 * on the map (what it looks like, whether it blocks magic, 1798 * on the map (what it looks like, whether it blocks magic,
1720 * has a living creatures, prevents people from passing 1799 * has a living creatures, prevents people from passing
1721 * through, etc) 1800 * through, etc)
1722 */ 1801 */
1723void update_position (mapstruct *m, int x, int y) { 1802void
1803mapspace::update_ ()
1804{
1724 object *tmp, *last = NULL; 1805 object *tmp, *last = 0;
1725 uint8 flags = 0, oldflags, light=0, anywhere=0; 1806 uint8 flags = 0, light = 0, anywhere = 0;
1726 New_Face *top,*floor, *middle; 1807 New_Face *top, *floor, *middle;
1727 object *top_obj, *floor_obj, *middle_obj; 1808 object *top_obj, *floor_obj, *middle_obj;
1728 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1809 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1729 1810
1730 oldflags = GET_MAP_FLAGS(m,x,y);
1731 if (!(oldflags & P_NEED_UPDATE)) {
1732 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n",
1733 m->path, x, y);
1734 return;
1735 }
1736
1737 middle=blank_face; 1811 middle = blank_face;
1738 top=blank_face; 1812 top = blank_face;
1739 floor=blank_face; 1813 floor = blank_face;
1740 1814
1741 middle_obj = NULL; 1815 middle_obj = 0;
1742 top_obj = NULL; 1816 top_obj = 0;
1743 floor_obj = NULL; 1817 floor_obj = 0;
1744 1818
1745 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) { 1819 for (tmp = bot; tmp; last = tmp, tmp = tmp->above)
1746 1820 {
1747 /* This could be made additive I guess (two lights better than 1821 /* This could be made additive I guess (two lights better than
1748 * one). But if so, it shouldn't be a simple additive - 2 1822 * one). But if so, it shouldn't be a simple additive - 2
1749 * light bulbs do not illuminate twice as far as once since 1823 * light bulbs do not illuminate twice as far as once since
1750 * it is a disapation factor that is squared (or is it cubed?) 1824 * it is a dissapation factor that is cubed.
1751 */ 1825 */
1752 if (tmp->glow_radius > light) light = tmp->glow_radius; 1826 if (tmp->glow_radius > light)
1827 light = tmp->glow_radius;
1753 1828
1754 /* This call is needed in order to update objects the player 1829 /* This call is needed in order to update objects the player
1755 * is standing in that have animations (ie, grass, fire, etc). 1830 * is standing in that have animations (ie, grass, fire, etc).
1756 * However, it also causes the look window to be re-drawn 1831 * However, it also causes the look window to be re-drawn
1757 * 3 times each time the player moves, because many of the 1832 * 3 times each time the player moves, because many of the
1758 * functions the move_player calls eventualy call this. 1833 * functions the move_player calls eventualy call this.
1759 * 1834 *
1760 * Always put the player down for drawing. 1835 * Always put the player down for drawing.
1761 */ 1836 */
1762 if (!tmp->invisible) { 1837 if (!tmp->invisible)
1838 {
1763 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1839 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1840 {
1764 top = tmp->face; 1841 top = tmp->face;
1765 top_obj = tmp; 1842 top_obj = tmp;
1766 } 1843 }
1767 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1844 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1845 {
1768 /* If we got a floor, that means middle and top were below it, 1846 /* If we got a floor, that means middle and top were below it,
1769 * so should not be visible, so we clear them. 1847 * so should not be visible, so we clear them.
1770 */ 1848 */
1771 middle=blank_face; 1849 middle = blank_face;
1772 top=blank_face; 1850 top = blank_face;
1773 floor = tmp->face; 1851 floor = tmp->face;
1774 floor_obj = tmp; 1852 floor_obj = tmp;
1775 } 1853 }
1776 /* Flag anywhere have high priority */ 1854 /* Flag anywhere have high priority */
1777 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 1855 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1856 {
1778 middle = tmp->face; 1857 middle = tmp->face;
1779 1858
1780 middle_obj = tmp; 1859 middle_obj = tmp;
1781 anywhere =1; 1860 anywhere = 1;
1782 } 1861 }
1783 /* Find the highest visible face around. If equal 1862 /* Find the highest visible face around. If equal
1784 * visibilities, we still want the one nearer to the 1863 * visibilities, we still want the one nearer to the
1785 * top 1864 * top
1786 */ 1865 */
1787 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) { 1866 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere))
1867 {
1788 middle = tmp->face; 1868 middle = tmp->face;
1789 middle_obj = tmp; 1869 middle_obj = tmp;
1790 } 1870 }
1791 } 1871 }
1872
1792 if (tmp==tmp->above) { 1873 if (tmp == tmp->above)
1874 {
1793 LOG(llevError, "Error in structure of map\n"); 1875 LOG (llevError, "Error in structure of map\n");
1794 exit (-1); 1876 exit (-1);
1795 }
1796 1877 }
1878
1797 move_slow |= tmp->move_slow; 1879 move_slow |= tmp->move_slow;
1798 move_block |= tmp->move_block; 1880 move_block |= tmp->move_block;
1799 move_on |= tmp->move_on; 1881 move_on |= tmp->move_on;
1800 move_off |= tmp->move_off; 1882 move_off |= tmp->move_off;
1801 move_allow |= tmp->move_allow; 1883 move_allow |= tmp->move_allow;
1802 1884
1803 if (QUERY_FLAG(tmp,FLAG_ALIVE))
1804 flags |= P_IS_ALIVE;
1805 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC))
1806 flags |= P_NO_MAGIC;
1807 if (QUERY_FLAG(tmp,FLAG_DAMNED))
1808 flags |= P_NO_CLERIC;
1809 if (tmp->type == SAFE_GROUND)
1810 flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC;
1811
1812 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW)) 1885 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1813 flags |= P_BLOCKSVIEW; 1886 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1814 } /* for stack of objects */ 1887 if (tmp->type == PLAYER) flags |= P_PLAYER;
1815 1888 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1816 /* we don't want to rely on this function to have accurate flags, but 1889 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1817 * since we're already doing the work, we calculate them here. 1890 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1818 * if they don't match, logic is broken someplace.
1819 */
1820 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) &&
1821 (!(oldflags & P_NO_ERROR))) {
1822 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1823 m->path, x, y,
1824 (oldflags & ~P_NEED_UPDATE), flags);
1825 } 1891 }
1826 SET_MAP_FLAGS(m, x, y, flags);
1827 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow);
1828 SET_MAP_MOVE_ON(m, x, y, move_on);
1829 SET_MAP_MOVE_OFF(m, x, y, move_off);
1830 SET_MAP_MOVE_SLOW(m, x, y, move_slow);
1831 1892
1893 this->light = light;
1894 this->flags_ = flags;
1895 this->move_block = move_block & ~move_allow;
1896 this->move_on = move_on;
1897 this->move_off = move_off;
1898 this->move_slow = move_slow;
1899
1832 /* At this point, we have a floor face (if there is a floor), 1900 /* At this point, we have a floor face (if there is a floor),
1833 * and the floor is set - we are not going to touch it at 1901 * and the floor is set - we are not going to touch it at
1834 * this point. 1902 * this point.
1835 * middle contains the highest visibility face. 1903 * middle contains the highest visibility face.
1836 * top contains a player/monster face, if there is one. 1904 * top contains a player/monster face, if there is one.
1837 * 1905 *
1838 * We now need to fill in top.face and/or middle.face. 1906 * We now need to fill in top.face and/or middle.face.
1839 */ 1907 */
1840 1908
1841 /* If the top face also happens to be high visibility, re-do our 1909 /* If the top face also happens to be high visibility, re-do our
1842 * middle face. This should not happen, as we already have the 1910 * middle face. This should not happen, as we already have the
1843 * else statement above so middle should not get set. OTOH, it 1911 * else statement above so middle should not get set. OTOH, it
1844 * may be possible for the faces to match but be different objects. 1912 * may be possible for the faces to match but be different objects.
1845 */ 1913 */
1846 if (top == middle) middle=blank_face; 1914 if (top == middle)
1915 middle = blank_face;
1847 1916
1848 /* There are three posibilities at this point: 1917 /* There are three posibilities at this point:
1849 * 1) top face is set, need middle to be set. 1918 * 1) top face is set, need middle to be set.
1850 * 2) middle is set, need to set top. 1919 * 2) middle is set, need to set top.
1851 * 3) neither middle or top is set - need to set both. 1920 * 3) neither middle or top is set - need to set both.
1852 */ 1921 */
1853 1922
1854 for (tmp=last; tmp; tmp=tmp->below) { 1923 for (tmp = last; tmp; tmp = tmp->below)
1924 {
1855 /* Once we get to a floor, stop, since we already have a floor object */ 1925 /* Once we get to a floor, stop, since we already have a floor object */
1856 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break; 1926 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1927 break;
1857 1928
1858 /* If two top faces are already set, quit processing */ 1929 /* If two top faces are already set, quit processing */
1859 if ((top != blank_face) && (middle != blank_face)) break; 1930 if ((top != blank_face) && (middle != blank_face))
1931 break;
1860 1932
1861 /* Only show visible faces, unless its the editor - show all */ 1933 /* Only show visible faces, unless its the editor - show all */
1862 if (!tmp->invisible || editor) { 1934 if (!tmp->invisible || editor)
1935 {
1863 /* Fill in top if needed */ 1936 /* Fill in top if needed */
1864 if (top == blank_face) { 1937 if (top == blank_face)
1938 {
1865 top = tmp->face; 1939 top = tmp->face;
1866 top_obj = tmp; 1940 top_obj = tmp;
1941 if (top == middle)
1867 if (top == middle) middle=blank_face; 1942 middle = blank_face;
1943 }
1868 } else { 1944 else
1945 {
1869 /* top is already set - we should only get here if 1946 /* top is already set - we should only get here if
1870 * middle is not set 1947 * middle is not set
1871 * 1948 *
1872 * Set the middle face and break out, since there is nothing 1949 * Set the middle face and break out, since there is nothing
1873 * more to fill in. We don't check visiblity here, since 1950 * more to fill in. We don't check visiblity here, since
1874 * 1951 *
1875 */ 1952 */
1876 if (tmp->face != top ) { 1953 if (tmp->face != top)
1954 {
1877 middle = tmp->face; 1955 middle = tmp->face;
1878 middle_obj = tmp; 1956 middle_obj = tmp;
1879 break; 1957 break;
1880 } 1958 }
1881 } 1959 }
1882 } 1960 }
1883 } 1961 }
1884 if (middle == floor) middle = blank_face; 1962
1885 if (top == middle) middle = blank_face; 1963 if (middle == floor)
1886 SET_MAP_FACE(m,x,y,top,0);
1887 if(top != blank_face)
1888 SET_MAP_FACE_OBJ(m,x,y,top_obj,0);
1889 else
1890 SET_MAP_FACE_OBJ(m,x,y,NULL,0);
1891 SET_MAP_FACE(m,x,y,middle,1);
1892 if(middle != blank_face) 1964 middle = blank_face;
1893 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1);
1894 else
1895 SET_MAP_FACE_OBJ(m,x,y,NULL,1);
1896 SET_MAP_FACE(m,x,y,floor,2);
1897 if(floor != blank_face)
1898 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2);
1899 else
1900 SET_MAP_FACE_OBJ(m,x,y,NULL,2);
1901 SET_MAP_LIGHT(m,x,y,light);
1902}
1903 1965
1966 if (top == middle)
1967 middle = blank_face;
1904 1968
1969 faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0;
1970 faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0;
1971 faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0;
1972}
1973
1974void
1905void set_map_reset_time(mapstruct *map) { 1975set_map_reset_time (maptile *map)
1976{
1906 int timeout; 1977 int timeout;
1907 1978
1908 timeout = MAP_RESET_TIMEOUT(map); 1979 timeout = map->reset_timeout;
1909 if (timeout <= 0) 1980 if (timeout <= 0)
1910 timeout = MAP_DEFAULTRESET; 1981 timeout = MAP_DEFAULTRESET;
1911 if (timeout >= MAP_MAXRESET) 1982 if (timeout >= MAP_MAXRESET)
1912 timeout = MAP_MAXRESET; 1983 timeout = MAP_MAXRESET;
1913 MAP_WHEN_RESET(map) = seconds()+timeout; 1984 map->reset_time = time (0) + timeout;
1914} 1985}
1915 1986
1916/* this updates the orig_map->tile_map[tile_num] value after loading 1987/* this updates the orig_map->tile_map[tile_num] value after loading
1917 * the map. It also takes care of linking back the freshly loaded 1988 * the map. It also takes care of linking back the freshly loaded
1918 * maps tile_map values if it tiles back to this one. It returns 1989 * maps tile_map values if it tiles back to this one. It returns
1919 * the value of orig_map->tile_map[tile_num]. It really only does this 1990 * the value of orig_map->tile_map[tile_num]. It really only does this
1920 * so that it is easier for calling functions to verify success. 1991 * so that it is easier for calling functions to verify success.
1921 */ 1992 */
1922 1993
1994static maptile *
1923static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) 1995load_and_link_tiled_map (maptile *orig_map, int tile_num)
1924{ 1996{
1925 int dest_tile = (tile_num +2) % 4; 1997 int dest_tile = (tile_num + 2) % 4;
1926 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]); 1998 char *path = path_combine_and_normalize (orig_map->path, orig_map->tile_path[tile_num]);
1927 1999
1928 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 2000 orig_map->tile_map[tile_num] = ready_map_name (path, 0);
1929 2001
1930 /* need to do a strcmp here as the orig_map->path is not a shared string */ 2002 /* need to do a strcmp here as the orig_map->path is not a shared string */
1931 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 2003 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))
1932 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path))
1933 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; 2004 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1934 2005
1935 return orig_map->tile_map[tile_num]; 2006 return orig_map->tile_map[tile_num];
1936} 2007}
1937 2008
1938/* this returns TRUE if the coordinates (x,y) are out of 2009/* this returns TRUE if the coordinates (x,y) are out of
1939 * map m. This function also takes into account any 2010 * map m. This function also takes into account any
1940 * tiling considerations, loading adjacant maps as needed. 2011 * tiling considerations, loading adjacant maps as needed.
… …
1943 * This function will recursively call itself for the 2014 * This function will recursively call itself for the
1944 * tiled maps. 2015 * tiled maps.
1945 * 2016 *
1946 * 2017 *
1947 */ 2018 */
2019int
1948int out_of_map(mapstruct *m, int x, int y) 2020out_of_map (maptile *m, int x, int y)
1949{ 2021{
1950
1951 /* If we get passed a null map, this is obviously the 2022 /* If we get passed a null map, this is obviously the
1952 * case. This generally shouldn't happen, but if the 2023 * case. This generally shouldn't happen, but if the
1953 * map loads fail below, it could happen. 2024 * map loads fail below, it could happen.
1954 */ 2025 */
1955 if (!m) return 0; 2026 if (!m)
1956
1957 if (x<0) {
1958 if (!m->tile_path[3]) return 1;
1959 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1960 load_and_link_tiled_map(m, 3);
1961 }
1962 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1963 }
1964 if (x>=MAP_WIDTH(m)) {
1965 if (!m->tile_path[1]) return 1;
1966 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1967 load_and_link_tiled_map(m, 1);
1968 }
1969 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1970 }
1971 if (y<0) {
1972 if (!m->tile_path[0]) return 1;
1973 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1974 load_and_link_tiled_map(m, 0);
1975 }
1976 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1977 }
1978 if (y>=MAP_HEIGHT(m)) {
1979 if (!m->tile_path[2]) return 1;
1980 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
1981 load_and_link_tiled_map(m, 2);
1982 }
1983 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
1984 }
1985
1986 /* Simple case - coordinates are within this local
1987 * map.
1988 */
1989 return 0; 2027 return 0;
2028
2029 if (x < 0)
2030 {
2031 if (!m->tile_path[3])
2032 return 1;
2033
2034 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2035 load_and_link_tiled_map (m, 3);
2036
2037 return (out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y));
2038 }
2039
2040 if (x >= m->width)
2041 {
2042 if (!m->tile_path[1])
2043 return 1;
2044
2045 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2046 load_and_link_tiled_map (m, 1);
2047
2048 return (out_of_map (m->tile_map[1], x - m->width, y));
2049 }
2050
2051 if (y < 0)
2052 {
2053 if (!m->tile_path[0])
2054 return 1;
2055
2056 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2057 load_and_link_tiled_map (m, 0);
2058
2059 return (out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height));
2060 }
2061
2062 if (y >= m->height)
2063 {
2064 if (!m->tile_path[2])
2065 return 1;
2066
2067 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2068 load_and_link_tiled_map (m, 2);
2069
2070 return (out_of_map (m->tile_map[2], x, y - m->height));
2071 }
2072
2073 /* Simple case - coordinates are within this local
2074 * map.
2075 */
2076 return 0;
1990} 2077}
1991 2078
1992/* This is basically the same as out_of_map above, but 2079/* This is basically the same as out_of_map above, but
1993 * instead we return NULL if no map is valid (coordinates 2080 * instead we return NULL if no map is valid (coordinates
1994 * out of bounds and no tiled map), otherwise it returns 2081 * out of bounds and no tiled map), otherwise it returns
1995 * the map as that the coordinates are really on, and 2082 * the map as that the coordinates are really on, and
1996 * updates x and y to be the localized coordinates. 2083 * updates x and y to be the localized coordinates.
1997 * Using this is more efficient of calling out_of_map 2084 * Using this is more efficient of calling out_of_map
1998 * and then figuring out what the real map is 2085 * and then figuring out what the real map is
1999 */ 2086 */
2087maptile *
2000mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 2088get_map_from_coord (maptile *m, sint16 * x, sint16 * y)
2001{ 2089{
2002 2090
2003 if (*x<0) { 2091 if (*x < 0)
2092 {
2004 if (!m->tile_path[3]) return NULL; 2093 if (!m->tile_path[3])
2094 return 0;
2005 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) 2095 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2006 load_and_link_tiled_map(m, 3); 2096 load_and_link_tiled_map (m, 3);
2007 2097
2008 *x += MAP_WIDTH(m->tile_map[3]); 2098 *x += m->tile_map[3]->width;
2009 return (get_map_from_coord(m->tile_map[3], x, y)); 2099 return (get_map_from_coord (m->tile_map[3], x, y));
2100 }
2101
2102 if (*x >= m->width)
2010 } 2103 {
2011 if (*x>=MAP_WIDTH(m)) {
2012 if (!m->tile_path[1]) return NULL; 2104 if (!m->tile_path[1])
2105 return 0;
2106
2013 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) 2107 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2014 load_and_link_tiled_map(m, 1); 2108 load_and_link_tiled_map (m, 1);
2015 2109
2016 *x -= MAP_WIDTH(m); 2110 *x -= m->width;
2017 return (get_map_from_coord(m->tile_map[1], x, y)); 2111 return (get_map_from_coord (m->tile_map[1], x, y));
2112 }
2113
2114 if (*y < 0)
2018 } 2115 {
2019 if (*y<0) {
2020 if (!m->tile_path[0]) return NULL; 2116 if (!m->tile_path[0])
2117 return 0;
2118
2021 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) 2119 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2022 load_and_link_tiled_map(m, 0); 2120 load_and_link_tiled_map (m, 0);
2023 2121
2024 *y += MAP_HEIGHT(m->tile_map[0]); 2122 *y += m->tile_map[0]->height;
2025 return (get_map_from_coord(m->tile_map[0], x, y)); 2123 return (get_map_from_coord (m->tile_map[0], x, y));
2124 }
2125
2126 if (*y >= m->height)
2026 } 2127 {
2027 if (*y>=MAP_HEIGHT(m)) {
2028 if (!m->tile_path[2]) return NULL; 2128 if (!m->tile_path[2])
2129 return 0;
2130
2029 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) 2131 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2030 load_and_link_tiled_map(m, 2); 2132 load_and_link_tiled_map (m, 2);
2031 2133
2032 *y -= MAP_HEIGHT(m); 2134 *y -= m->height;
2033 return (get_map_from_coord(m->tile_map[2], x, y)); 2135 return (get_map_from_coord (m->tile_map[2], x, y));
2034 } 2136 }
2035 2137
2036 /* Simple case - coordinates are within this local 2138 /* Simple case - coordinates are within this local
2037 * map. 2139 * map.
2038 */ 2140 */
2039 2141
2040 return m; 2142 return m;
2041} 2143}
2042 2144
2043/** 2145/**
2044 * Return whether map2 is adjacent to map1. If so, store the distance from 2146 * Return whether map2 is adjacent to map1. If so, store the distance from
2045 * map1 to map2 in dx/dy. 2147 * map1 to map2 in dx/dy.
2046 */ 2148 */
2149static int
2047static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 2150adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
2151{
2048 if (!map1 || !map2) 2152 if (!map1 || !map2)
2153 return 0;
2154
2155 if (map1 == map2)
2156 {
2157 *dx = 0;
2158 *dy = 0;
2159
2160 }
2161 else if (map1->tile_map[0] == map2)
2162 { /* up */
2163 *dx = 0;
2164 *dy = -map2->height;
2165 }
2166 else if (map1->tile_map[1] == map2)
2167 { /* right */
2168 *dx = map1->width;
2169 *dy = 0;
2170 }
2171 else if (map1->tile_map[2] == map2)
2172 { /* down */
2173 *dx = 0;
2174 *dy = map1->height;
2175 }
2176 else if (map1->tile_map[3] == map2)
2177 { /* left */
2178 *dx = -map2->width;
2179 *dy = 0;
2180
2181 }
2182 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
2183 { /* up right */
2184 *dx = map1->tile_map[0]->width;
2185 *dy = -map1->tile_map[0]->height;
2186 }
2187 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2188 { /* up left */
2189 *dx = -map2->width;
2190 *dy = -map1->tile_map[0]->height;
2191 }
2192 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2193 { /* right up */
2194 *dx = map1->width;
2195 *dy = -map2->height;
2196 }
2197 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2198 { /* right down */
2199 *dx = map1->width;
2200 *dy = map1->tile_map[1]->height;
2201 }
2202 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
2203 { /* down right */
2204 *dx = map1->tile_map[2]->width;
2205 *dy = map1->height;
2206 }
2207 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2208 { /* down left */
2209 *dx = -map2->width;
2210 *dy = map1->height;
2211 }
2212 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
2213 { /* left up */
2214 *dx = -map1->tile_map[3]->width;
2215 *dy = -map2->height;
2216 }
2217 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
2218 { /* left down */
2219 *dx = -map1->tile_map[3]->width;
2220 *dy = map1->tile_map[3]->height;
2221
2222 }
2223 else
2224 { /* not "adjacent" enough */
2049 return 0; 2225 return 0;
2050
2051 if (map1 == map2) {
2052 *dx = 0;
2053 *dy = 0;
2054
2055 } else if (map1->tile_map[0] == map2) { /* up */
2056 *dx = 0;
2057 *dy = -MAP_HEIGHT(map2);
2058 } else if (map1->tile_map[1] == map2) { /* right */
2059 *dx = MAP_WIDTH(map1);
2060 *dy = 0;
2061 } else if (map1->tile_map[2] == map2) { /* down */
2062 *dx = 0;
2063 *dy = MAP_HEIGHT(map1);
2064 } else if (map1->tile_map[3] == map2) { /* left */
2065 *dx = -MAP_WIDTH(map2);
2066 *dy = 0;
2067
2068 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */
2069 *dx = MAP_WIDTH(map1->tile_map[0]);
2070 *dy = -MAP_HEIGHT(map1->tile_map[0]);
2071 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */
2072 *dx = -MAP_WIDTH(map2);
2073 *dy = -MAP_HEIGHT(map1->tile_map[0]);
2074 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */
2075 *dx = MAP_WIDTH(map1);
2076 *dy = -MAP_HEIGHT(map2);
2077 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */
2078 *dx = MAP_WIDTH(map1);
2079 *dy = MAP_HEIGHT(map1->tile_map[1]);
2080 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */
2081 *dx = MAP_WIDTH(map1->tile_map[2]);
2082 *dy = MAP_HEIGHT(map1);
2083 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */
2084 *dx = -MAP_WIDTH(map2);
2085 *dy = MAP_HEIGHT(map1);
2086 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */
2087 *dx = -MAP_WIDTH(map1->tile_map[3]);
2088 *dy = -MAP_HEIGHT(map2);
2089 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */
2090 *dx = -MAP_WIDTH(map1->tile_map[3]);
2091 *dy = MAP_HEIGHT(map1->tile_map[3]);
2092
2093 } else { /* not "adjacent" enough */
2094 return 0;
2095 } 2226 }
2096 2227
2097 return 1; 2228 return 1;
2098} 2229}
2099 2230
2100/* From map.c 2231/* From map.c
2101 * This is used by get_player to determine where the other 2232 * This is used by get_player to determine where the other
2102 * creature is. get_rangevector takes into account map tiling, 2233 * creature is. get_rangevector takes into account map tiling,
… …
2116 * 2247 *
2117 * currently, the only flag supported (0x1) is don't translate for 2248 * currently, the only flag supported (0x1) is don't translate for
2118 * closest body part of 'op1' 2249 * closest body part of 'op1'
2119 */ 2250 */
2120 2251
2252void
2121void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 2253get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
2254{
2122 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 2255 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
2256 {
2123 /* be conservative and fill in _some_ data */ 2257 /* be conservative and fill in _some_ data */
2124 retval->distance = 100000; 2258 retval->distance = 100000;
2125 retval->distance_x = 32767; 2259 retval->distance_x = 32767;
2126 retval->distance_y = 32767; 2260 retval->distance_y = 32767;
2127 retval->direction = 0; 2261 retval->direction = 0;
2128 retval->part = 0; 2262 retval->part = 0;
2129 } else { 2263 }
2264 else
2265 {
2130 object *best; 2266 object *best;
2131 2267
2132 retval->distance_x += op2->x-op1->x; 2268 retval->distance_x += op2->x - op1->x;
2133 retval->distance_y += op2->y-op1->y; 2269 retval->distance_y += op2->y - op1->y;
2134 2270
2135 best = op1; 2271 best = op1;
2136 /* If this is multipart, find the closest part now */ 2272 /* If this is multipart, find the closest part now */
2137 if (!(flags&0x1) && op1->more) { 2273 if (!(flags & 0x1) && op1->more)
2274 {
2138 object *tmp; 2275 object *tmp;
2139 int best_distance = retval->distance_x*retval->distance_x+ 2276 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2140 retval->distance_y*retval->distance_y, tmpi;
2141 2277
2142 /* we just take the offset of the piece to head to figure 2278 /* we just take the offset of the piece to head to figure
2143 * distance instead of doing all that work above again 2279 * distance instead of doing all that work above again
2144 * since the distance fields we set above are positive in the 2280 * since the distance fields we set above are positive in the
2145 * same axis as is used for multipart objects, the simply arithmetic 2281 * same axis as is used for multipart objects, the simply arithmetic
2146 * below works. 2282 * below works.
2147 */ 2283 */
2148 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 2284 for (tmp = op1->more; tmp != NULL; tmp = tmp->more)
2285 {
2149 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 2286 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2150 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 2287 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2151 if (tmpi < best_distance) { 2288 if (tmpi < best_distance)
2289 {
2152 best_distance = tmpi; 2290 best_distance = tmpi;
2153 best = tmp; 2291 best = tmp;
2154 } 2292 }
2155 } 2293 }
2156 if (best != op1) { 2294 if (best != op1)
2295 {
2157 retval->distance_x += op1->x-best->x; 2296 retval->distance_x += op1->x - best->x;
2158 retval->distance_y += op1->y-best->y; 2297 retval->distance_y += op1->y - best->y;
2159 } 2298 }
2160 } 2299 }
2161 retval->part = best; 2300 retval->part = best;
2162 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 2301 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);
2163 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 2302 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2164 } 2303 }
2165} 2304}
2166 2305
2167/* this is basically the same as get_rangevector above, but instead of 2306/* this is basically the same as get_rangevector above, but instead of
2168 * the first parameter being an object, it instead is the map 2307 * the first parameter being an object, it instead is the map
… …
2173 * be more consistant with the above function and also in case they are needed 2312 * be more consistant with the above function and also in case they are needed
2174 * for something in the future. Also, since no object is pasted, the best 2313 * for something in the future. Also, since no object is pasted, the best
2175 * field of the rv_vector is set to NULL. 2314 * field of the rv_vector is set to NULL.
2176 */ 2315 */
2177 2316
2317void
2178void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 2318get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags)
2319{
2179 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 2320 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
2321 {
2180 /* be conservative and fill in _some_ data */ 2322 /* be conservative and fill in _some_ data */
2181 retval->distance = 100000; 2323 retval->distance = 100000;
2182 retval->distance_x = 32767; 2324 retval->distance_x = 32767;
2183 retval->distance_y = 32767; 2325 retval->distance_y = 32767;
2184 retval->direction = 0; 2326 retval->direction = 0;
2185 retval->part = 0; 2327 retval->part = 0;
2186 } else { 2328 }
2329 else
2330 {
2187 retval->distance_x += op2->x-x; 2331 retval->distance_x += op2->x - x;
2188 retval->distance_y += op2->y-y; 2332 retval->distance_y += op2->y - y;
2189 2333
2190 retval->part = NULL; 2334 retval->part = NULL;
2191 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 2335 retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y);
2192 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 2336 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2193 } 2337 }
2194} 2338}
2195 2339
2196/* Returns true of op1 and op2 are effectively on the same map 2340/* Returns true of op1 and op2 are effectively on the same map
2197 * (as related to map tiling). Note that this looks for a path from 2341 * (as related to map tiling). Note that this looks for a path from
… …
2199 * to op1, this will still return false. 2343 * to op1, this will still return false.
2200 * Note we only look one map out to keep the processing simple 2344 * Note we only look one map out to keep the processing simple
2201 * and efficient. This could probably be a macro. 2345 * and efficient. This could probably be a macro.
2202 * MSW 2001-08-05 2346 * MSW 2001-08-05
2203 */ 2347 */
2348int
2204int on_same_map(const object *op1, const object *op2) { 2349on_same_map (const object *op1, const object *op2)
2350{
2205 int dx, dy; 2351 int dx, dy;
2206 2352
2207 return adjacent_map(op1->map, op2->map, &dx, &dy); 2353 return adjacent_map (op1->map, op2->map, &dx, &dy);
2208} 2354}

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