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Comparing deliantra/server/common/map.C (file contents):
Revision 1.21 by root, Sun Sep 3 22:45:55 2006 UTC vs.
Revision 1.167 by root, Thu Nov 5 15:43:21 2009 UTC

1/* 1/*
2 * static char *rcsid_map_c = 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * "$Id: map.C,v 1.21 2006/09/03 22:45:55 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5
6/*
7 CrossFire, A Multiplayer game for X-windows
8
9 Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
11 7 *
12 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
13 it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
14 the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
15 (at your option) any later version. 11 * option) any later version.
16 12 *
17 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details. 16 * GNU General Public License for more details.
21 17 *
22 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
23 along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
25 21 *
26 The authors can be reached via e-mail at crossfire-devel@real-time.com 22 * The authors can be reached via e-mail to <support@deliantra.net>
27*/ 23 */
28 24
29
30#include <global.h>
31#include <funcpoint.h>
32
33#include <loader.h>
34#ifndef WIN32 /* ---win32 exclude header */
35#include <unistd.h> 25#include <unistd.h>
36#endif /* win32 */
37 26
27#include "global.h"
28#include "loader.h"
38#include "path.h" 29#include "path.h"
39 30
31//+GPL
40 32
41extern int nrofallocobjects,nroffreeobjects; 33sint8 maptile::outdoor_darkness;
42
43/*
44 * Returns the mapstruct which has a name matching the given argument.
45 * return NULL if no match is found.
46 */
47
48mapstruct *has_been_loaded (const char *name) {
49 mapstruct *map;
50
51 if (!name || !*name)
52 return 0;
53 for (map = first_map; map; map = map->next)
54 if (!strcmp (name, map->path))
55 break;
56 return (map);
57}
58
59/*
60 * This makes a path absolute outside the world of Crossfire.
61 * In other words, it prepends LIBDIR/MAPDIR/ to the given path
62 * and returns the pointer to a static array containing the result.
63 * it really should be called create_mapname
64 */
65
66const char *create_pathname (const char *name) {
67 static char buf[MAX_BUF];
68
69 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
70 * someplace else in the code? msw 2-17-97
71 */
72 if (*name == '/')
73 sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name);
74 else
75 sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name);
76 return (buf);
77}
78
79/*
80 * same as create_pathname, but for the overlay maps.
81 */
82
83const char *create_overlay_pathname (const char *name) {
84 static char buf[MAX_BUF];
85
86 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
87 * someplace else in the code? msw 2-17-97
88 */
89 if (*name == '/')
90 sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name);
91 else
92 sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name);
93 return (buf);
94}
95
96/*
97 * same as create_pathname, but for the template maps.
98 */
99
100const char *create_template_pathname (const char *name) {
101 static char buf[MAX_BUF];
102
103 /* Why? having extra / doesn't confuse unix anyplace? Dependancies
104 * someplace else in the code? msw 2-17-97
105 */
106 if (*name == '/')
107 sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name);
108 else
109 sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name);
110 return (buf);
111}
112
113/*
114 * This makes absolute path to the itemfile where unique objects
115 * will be saved. Converts '/' to '@'. I think it's essier maintain
116 * files than full directory structure, but if this is problem it can
117 * be changed.
118 */
119static const char *create_items_path (const char *s) {
120 static char buf[MAX_BUF];
121 char *t;
122
123 if (*s == '/')
124 s++;
125
126 sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir);
127
128 for (t=buf+strlen(buf); *s; s++,t++)
129 if (*s == '/')
130 *t = '@';
131 else
132 *t = *s;
133 *t = 0;
134 return (buf);
135}
136
137
138/*
139 * This function checks if a file with the given path exists.
140 * -1 is returned if it fails, otherwise the mode of the file
141 * is returned.
142 * It tries out all the compression suffixes listed in the uncomp[] array.
143 *
144 * If prepend_dir is set, then we call create_pathname (which prepends
145 * libdir & mapdir). Otherwise, we assume the name given is fully
146 * complete.
147 * Only the editor actually cares about the writablity of this -
148 * the rest of the code only cares that the file is readable.
149 * when the editor goes away, the call to stat should probably be
150 * replaced by an access instead (similar to the windows one, but
151 * that seems to be missing the prepend_dir processing
152 */
153
154int check_path (const char *name, int prepend_dir)
155{
156 char buf[MAX_BUF];
157#ifndef WIN32
158 char *endbuf;
159 struct stat statbuf;
160 int mode = 0, i;
161#endif
162
163 if (prepend_dir)
164 strcpy (buf, create_pathname(name));
165 else
166 strcpy(buf, name);
167#ifdef WIN32 /* ***win32: check this sucker in windows style. */
168 return(_access(buf,0));
169#else
170
171 /* old method (strchr(buf, '\0')) seemd very odd to me -
172 * this method should be equivalant and is clearer.
173 * Can not use strcat because we need to cycle through
174 * all the names.
175 */
176 endbuf = buf + strlen(buf);
177
178 if (stat (buf, &statbuf))
179 return -1;
180 if (!S_ISREG (statbuf.st_mode))
181 return (-1);
182
183 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) ||
184 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) ||
185 (statbuf.st_mode & S_IROTH))
186 mode |= 4;
187
188 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) ||
189 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) ||
190 (statbuf.st_mode & S_IWOTH))
191 mode |= 2;
192
193 return (mode);
194#endif
195}
196
197/*
198 * Prints out debug-information about a map.
199 * Dumping these at llevError doesn't seem right, but is
200 * necessary to make sure the information is in fact logged.
201 */
202
203void dump_map(const mapstruct *m) {
204 LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory);
205 LOG(llevError,"Size: %dx%d Start: %d,%d\n",
206 MAP_WIDTH(m), MAP_HEIGHT(m),
207 MAP_ENTER_X(m), MAP_ENTER_Y(m));
208
209 if(m->msg!=NULL)
210 LOG(llevError,"Message:\n%s",m->msg);
211
212 if(m->maplore!=NULL)
213 LOG(llevError,"Lore:\n%s",m->maplore);
214
215 if(m->tmpname!=NULL)
216 LOG(llevError,"Tmpname: %s\n",m->tmpname);
217
218 LOG(llevError,"Difficulty: %d\n",m->difficulty);
219 LOG(llevError,"Darkness: %d\n",m->darkness);
220}
221
222/*
223 * Prints out debug-information about all maps.
224 * This basically just goes through all the maps and calls
225 * dump_map on each one.
226 */
227
228void dump_all_maps(void) {
229 mapstruct *m;
230 for(m=first_map;m!=NULL;m=m->next) {
231 dump_map(m);
232 }
233}
234 34
235/* This rolls up wall, blocks_magic, blocks_view, etc, all into 35/* This rolls up wall, blocks_magic, blocks_view, etc, all into
236 * one function that just returns a P_.. value (see map.h) 36 * one function that just returns a P_.. value (see map.h)
237 * it will also do map translation for tiled maps, returning 37 * it will also do map translation for tiled maps, returning
238 * new values into newmap, nx, and ny. Any and all of those 38 * new values into newmap, nx, and ny. Any and all of those
… …
240 * by a P_NEW_MAP value, another call to get_map_from_coord 40 * 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 41 * is needed. The case of not passing values is if we're just
242 * checking for the existence of something on those spaces, but 42 * checking for the existence of something on those spaces, but
243 * don't expect to insert/remove anything from those spaces. 43 * don't expect to insert/remove anything from those spaces.
244 */ 44 */
45int
245int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 46get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
246{ 47{
247 sint16 newx, newy;
248 int retval=0;
249 mapstruct *mp;
250
251 if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP;
252 newx = x; 48 sint16 newx = x;
253 newy = y; 49 sint16 newy = y;
50
254 mp = get_map_from_coord(oldmap, &newx, &newy); 51 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
255 if (mp != oldmap) 52
256 retval |= P_NEW_MAP; 53 if (!mp)
54 return P_OUT_OF_MAP;
55
257 if (newmap) *newmap = mp; 56 if (newmap) *newmap = mp;
258 if (nx) *nx = newx; 57 if (nx) *nx = newx;
259 if (ny) *ny = newy; 58 if (ny) *ny = newy;
260 retval |= mp->spaces[newx + mp->width * newy].flags;
261 59
262 if (retval & P_SAFE) 60 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
263 retval |= P_NO_MAGIC | P_NO_CLERIC; // P_SAFE does imply these
264
265 return retval;
266} 61}
267
268 62
269/* 63/*
270 * Returns true if the given coordinate is blocked except by the 64 * Returns true if the given coordinate is blocked except by the
271 * object passed is not blocking. This is used with 65 * object passed is not blocking. This is used with
272 * multipart monsters - if we want to see if a 2x2 monster 66 * multipart monsters - if we want to see if a 2x2 monster
… …
276 * monster. 70 * monster.
277 * m, x, y are the target map/coordinates - needed for map tiling. 71 * m, x, y are the target map/coordinates - needed for map tiling.
278 * the coordinates & map passed in should have been updated for tiling 72 * the coordinates & map passed in should have been updated for tiling
279 * by the caller. 73 * by the caller.
280 */ 74 */
281 75int
282int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 76blocked_link (object *ob, maptile *m, int sx, int sy)
283 object *tmp; 77{
284 int mflags, blocked;
285
286 /* Make sure the coordinates are valid - they should be, as caller should 78 /* Make sure the coordinates are valid - they should be, as caller should
287 * have already checked this. 79 * have already checked this.
288 */ 80 */
289 if (OUT_OF_REAL_MAP(m, sx, sy)) { 81 if (OUT_OF_REAL_MAP (m, sx, sy))
82 {
290 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 83 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
291 return 1; 84 return 1;
292 } 85 }
293 86
294 /* Save some cycles - instead of calling get_map_flags(), just get the value 87 mapspace &ms = m->at (sx, sy);
295 * directly.
296 */
297 mflags = m->spaces[sx + m->width * sy].flags;
298 88
299 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 89 int mflags = ms.flags ();
90 int blocked = ms.move_block;
300 91
301 /* If space is currently not blocked by anything, no need to 92 /* If space is currently not blocked by anything, no need to
302 * go further. Not true for players - all sorts of special 93 * go further. Not true for players - all sorts of special
303 * things we need to do for players. 94 * things we need to do for players.
304 */ 95 */
305 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 96 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
97 return 0;
306 98
307 /* if there isn't anytyhing alive on this space, and this space isn't 99 /* if there isn't anything alive on this space, and this space isn't
308 * otherwise blocked, we can return now. Only if there is a living 100 * 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 101 * 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 102 * or another. Likewise, only if something is blocking us do we
311 * need to investigate if there is a special circumstance that would 103 * need to investigate if there is a special circumstance that would
312 * let the player through (inventory checkers for example) 104 * let the player through (inventory checkers for example)
313 */ 105 */
314 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0; 106 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
107 return 0;
315 108
316 if(ob->head != NULL) 109 ob = ob->head_ ();
317 ob=ob->head;
318 110
319 /* We basically go through the stack of objects, and if there is 111 /* 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 112 * some other object that has NO_PASS or FLAG_ALIVE set, return
321 * true. If we get through the entire stack, that must mean 113 * true. If we get through the entire stack, that must mean
322 * ob is blocking it, so return 0. 114 * ob is blocking it, so return 0.
323 */ 115 */
324 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) { 116 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
117 {
118 if (OB_MOVE_BLOCK (ob, tmp))
119 {
120 if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
121 if (RESULT_INT (0))
122 return 1;
123 else
124 continue;
325 125
326 /* This must be before the checks below. Code for inventory checkers. */ 126 if (tmp->type == CHECK_INV)
327 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) {
328 /* 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
330 * pass through this space.
331 */ 127 {
332 if (tmp->last_sp) { 128 bool have = check_inv_recursive (ob, tmp);
333 if (check_inv_recursive(ob,tmp)==NULL) 129
130 // last_sp set means we block if we don't have.
131 if (logical_xor (have, tmp->last_sp))
334 return 1; 132 return 1;
335 else
336 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 } 133 }
346 } /* if check_inv */ 134 else if (tmp->type == T_MATCH)
135 {
136 // T_MATCH allows "entrance" iff the match is true
137 // == blocks if the match fails
138
139 // we could have used an INVOKE_OBJECT, but decided against it, as we
140 // assume that T_MATCH is relatively common.
141 if (!match (tmp->slaying, ob, tmp, ob))
142 return 1;
143 }
144 else
145 return 1; // unconditional block
146
347 else { 147 } else {
348 /* Broke apart a big nasty if into several here to make 148 // space does not block the ob, directly, but
349 * this more readable. first check - if the space blocks 149 // anything alive that is not a door still
350 * movement, can't move here. 150 // blocks anything but wizards.
351 * second - if a monster, can't move there, unles it is a 151
352 * hidden dm 152 if (tmp->flag [FLAG_ALIVE]
353 */ 153 && tmp->head_ () != ob
354 if (OB_MOVE_BLOCK(ob, tmp)) return 1; 154 && tmp != ob
355 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob && 155 && tmp->type != DOOR
356 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden)) 156 && !tmp->flag [FLAG_WIZPASS])
357 return 1; 157 return 1;
358 } 158 }
359
360 } 159 }
160
361 return 0; 161 return 0;
362} 162}
363
364 163
365/* 164/*
366 * Returns true if the given object can't fit in the given spot. 165 * Returns qthe blocking object if the given object can't fit in the given
367 * This is meant for multi space objects - for single space objecs, 166 * spot. This is meant for multi space objects - for single space objecs,
368 * just calling get_map_blocked and checking that against movement type 167 * just calling get_map_blocked and checking that against movement type
369 * of object. This function goes through all the parts of the 168 * of object. This function goes through all the parts of the multipart
370 * multipart object and makes sure they can be inserted. 169 * object and makes sure they can be inserted.
371 * 170 *
372 * While this doesn't call out of map, the get_map_flags does. 171 * While this doesn't call out of map, the get_map_flags does.
373 * 172 *
374 * This function has been used to deprecate arch_out_of_map - 173 * This function has been used to deprecate arch_out_of_map -
375 * this function also does that check, and since in most cases, 174 * this function also does that check, and since in most cases,
… …
386 * 185 *
387 * Note this used to be arch_blocked, but with new movement 186 * Note this used to be arch_blocked, but with new movement
388 * code, we need to have actual object to check its move_type 187 * code, we need to have actual object to check its move_type
389 * against the move_block values. 188 * against the move_block values.
390 */ 189 */
391 190bool
392int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 191object::blocked (maptile *m, int x, int y) const
393 archetype *tmp; 192{
394 int flag; 193 for (archetype *tmp = arch; tmp; tmp = (archetype *)tmp->more)
395 mapstruct *m1;
396 sint16 sx, sy;
397
398 if(ob==NULL) {
399 flag= get_map_flags(m,&m1, x,y, &sx, &sy);
400 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP;
401
402 /* don't have object, so don't know what types would block */
403 return(GET_MAP_MOVE_BLOCK(m1, sx, sy));
404 } 194 {
195 mapxy pos (m, x + tmp->x, y + tmp->y);
405 196
406 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { 197 if (!pos.normalise ())
407 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 198 return 1;
408 199
409 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 200 mapspace &ms = *pos;
410 if (flag & P_IS_ALIVE) return P_IS_ALIVE;
411 201
412 /* find_first_free_spot() calls this function. However, often 202 if (ms.flags () & P_IS_ALIVE)
413 * ob doesn't have any move type (when used to place exits) 203 return 1;
204
205 /* However, often ob doesn't have any move type
206 * (signifying non-moving objects)
414 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 207 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
415 */ 208 */
209 if (!move_type && ms.move_block != MOVE_ALL)
210 continue;
416 211
417 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue;
418
419 /* Note it is intentional that we check ob - the movement type of the 212 /* Note it is intentional that we check ob - the movement type of the
420 * head of the object should correspond for the entire object. 213 * head of the object should correspond for the entire object.
421 */ 214 */
422 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 215 if (ms.blocks (move_type))
423 return AB_NO_PASS; 216 return 1;
424
425 } 217 }
218
426 return 0; 219 return 0;
427} 220}
428 221
429/* When the map is loaded, load_object does not actually insert objects 222/* 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 223 * into inventory, but just links them. What this does is go through
431 * and insert them properly. 224 * and insert them properly.
432 * The object 'container' is the object that contains the inventory. 225 * The object 'container' is the object that contains the inventory.
433 * This is needed so that we can update the containers weight. 226 * This is needed so that we can update the containers weight.
434 */ 227 */
435 228void
436void fix_container(object *container) 229fix_container (object *container)
437{ 230{
438 object *tmp=container->inv, *next; 231 object *tmp = container->inv, *next;
439 232
440 container->inv=NULL; 233 container->inv = 0;
441 while (tmp!=NULL) { 234 while (tmp)
235 {
442 next = tmp->below; 236 next = tmp->below;
443 if (tmp->inv) 237 if (tmp->inv)
444 fix_container(tmp); 238 fix_container (tmp);
239
445 (void) insert_ob_in_ob(tmp,container); 240 insert_ob_in_ob (tmp, container);
446 tmp = next; 241 tmp = next;
447 } 242 }
243
448 /* sum_weight will go through and calculate what all the containers are 244 // go through and calculate what all the containers are carrying.
449 * carrying. 245 //TODO: remove
450 */ 246 container->update_weight ();
451 sum_weight(container);
452} 247}
248
249//-GPL
250
251void
252maptile::set_object_flag (int flag, int value)
253{
254 if (!spaces)
255 return;
256
257 for (mapspace *ms = spaces + size (); ms-- > spaces; )
258 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
259 tmp->flag [flag] = value;
260}
261
262void
263maptile::post_load_original ()
264{
265 if (!spaces)
266 return;
267
268 set_object_flag (FLAG_OBJ_ORIGINAL);
269
270 for (mapspace *ms = spaces + size (); ms-- > spaces; )
271 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
272 INVOKE_OBJECT (RESET, tmp);
273}
274
275//+GPL
453 276
454/* link_multipart_objects go through all the objects on the map looking 277/* 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 278 * 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 279 * 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 280 * they are saved).
458 * the more sections and not re-add sections for them.
459 */ 281 */
460 282void
461static void link_multipart_objects(mapstruct *m) 283maptile::link_multipart_objects ()
462{ 284{
463 int x,y; 285 if (!spaces)
464 object *tmp, *op, *last, *above; 286 return;
465 archetype *at;
466 287
467 for(x=0;x<MAP_WIDTH(m);x++) 288 for (mapspace *ms = spaces + size (); ms-- > spaces; )
468 for(y=0;y<MAP_HEIGHT(m);y++) 289 {
469 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 290 object *op = ms->bot;
470 above=tmp->above; 291 while (op)
471 292 {
472 /* already multipart - don't do anything more */ 293 /* already multipart - don't do anything more */
473 if (tmp->head || tmp->more) continue; 294 if (op->head_ () == op && !op->more && op->arch->more)
474
475 /* If there is nothing more to this object, this for loop
476 * won't do anything.
477 */
478 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) {
479 op = arch_to_object(at);
480
481 /* update x,y coordinates */
482 op->x += tmp->x;
483 op->y += tmp->y;
484 op->head = tmp;
485 op->map = m;
486 last->more = op;
487 op->name = tmp->name;
488 op->title = tmp->title;
489 /* we could link all the parts onto tmp, and then just
490 * 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
492 * the coding is simpler to just to it here with each part.
493 */
494 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 */
496 } /* for objects on this space */
497}
498
499 295 {
296 op->remove ();
297 op->expand_tail ();
298
299 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
300 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
301 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
302 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
303
304 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
305 // so we have to reset the iteration through the mapspace
306 }
307 else
308 op = op->above;
309 }
310 }
311}
312
313//-GPL
500 314
501/* 315/*
502 * Loads (ands parses) the objects into a given map from the specified 316 * Loads (ands parses) the objects into a given map from the specified
503 * file pointer. 317 * file pointer.
504 * mapflags is the same as we get with load_original_map
505 */ 318 */
319bool
320maptile::_load_objects (object_thawer &f)
321{
322 for (;;)
323 {
324 coroapi::cede_to_tick (); // cede once in a while
506 325
507void load_objects (mapstruct *m, object_thawer &fp, int mapflags) { 326 switch (f.kw)
508 int i,j;
509 int unique;
510 object *op, *prev=NULL,*last_more=NULL, *otmp;
511
512 op=get_object();
513 op->map = m; /* To handle buttons correctly */
514
515 while((i = load_object (fp, op, mapflags))) {
516 /* if the archetype for the object is null, means that we
517 * 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.
519 */ 327 {
520 if (op->arch==NULL) { 328 case KW_arch:
521 LOG(llevDebug,"Discarding object without arch: %s\n", op->name?(const char *)op->name:"(null)"); 329 if (object *op = object::read (f, this))
330 {
331 // TODO: why?
332 if (op->inv)
333 op->update_weight ();
334
335 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
336 {
337 // we insert manually because
338 // a) its way faster
339 // b) we remove manually, too, and there are good reasons for that
340 // c) it's correct
341 mapspace &ms = at (op->x, op->y);
342
343 op->flag [FLAG_REMOVED] = false;
344
345 op->above = 0;
346 op->below = ms.top;
347
348 *(ms.top ? &ms.top->above : &ms.bot) = op;
349
350 ms.top = op;
351 ms.flags_ = 0;
352 }
353 else
354 {
355 f.parse_warn (format ("object %s out of range", op->debug_desc ()));
356 op->destroy ();
357 }
358 }
359
522 continue; 360 continue;
523 }
524 361
525
526 switch(i) {
527 case LL_NORMAL:
528 /* if we are loading an overlay, put the floors on the bottom */
529 if ((QUERY_FLAG(op, FLAG_IS_FLOOR) ||
530 QUERY_FLAG(op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
531 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
532 else
533 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
534
535 if (op->inv)
536 sum_weight(op);
537
538 prev=op,last_more=op;
539 break;
540
541 case LL_MORE: 362 case KW_EOF:
542 insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 363 return true;
543 op->head=prev,last_more->more=op,last_more=op; 364
365 default:
366 if (!f.parse_error ("map file"))
367 return false;
544 break; 368 break;
545 } 369 }
546 if (mapflags & MAP_STYLE) { 370
547 remove_from_active_list(op); 371 f.next ();
372 }
373
374 return true;
375}
376
377void
378maptile::activate ()
379{
380 if (spaces)
381 for (mapspace *ms = spaces + size (); ms-- > spaces; )
382 for (object *op = ms->bot; op; op = op->above)
383 op->activate_recursive ();
384}
385
386void
387maptile::deactivate ()
388{
389 if (spaces)
390 for (mapspace *ms = spaces + size (); ms-- > spaces; )
391 for (object *op = ms->bot; op; op = op->above)
392 op->deactivate_recursive ();
393}
394
395bool
396maptile::_save_objects (object_freezer &f, int flags)
397{
398 coroapi::cede_to_tick ();
399
400 if (flags & IO_HEADER)
401 _save_header (f);
402
403 if (!spaces)
404 return false;
405
406 for (int i = 0; i < size (); ++i)
407 {
408 bool unique = 0;
409
410 for (object *op = spaces [i].bot; op; op = op->above)
411 {
412 unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
413
414 if (expect_false (!op->can_map_save ()))
415 continue;
416
417 if (expect_false (unique || op->flag [FLAG_UNIQUE]))
418 {
419 if (flags & IO_UNIQUES)
420 op->write (f);
421 }
422 else if (expect_true (flags & IO_OBJECTS))
423 op->write (f);
548 } 424 }
549 op=get_object();
550 op->map = m;
551 } 425 }
552 for (i=0;i<m->width;i++){
553 for (j=0;j<m->height;j++){
554 unique =0;
555 /* check for unique items, or unique squares */
556 for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) {
557 if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL))
558 unique = 1;
559 if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique))
560 SET_FLAG(otmp, FLAG_OBJ_ORIGINAL);
561 }
562 }
563 }
564 free_object(op);
565 link_multipart_objects(m);
566}
567 426
568/* This saves all the objects on the map in a non destructive fashion. 427 coroapi::cede_to_tick ();
569 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 428
570 * and we only save the head of multi part objects - this is needed 429 return true;
571 * in order to do map tiling properly. 430}
431
432bool
433maptile::_save_objects (const char *path, int flags)
434{
435 object_freezer freezer;
436
437 if (!_save_objects (freezer, flags))
438 return false;
439
440 return freezer.save (path);
441}
442
443maptile::maptile ()
444{
445 in_memory = MAP_SWAPPED;
446
447 /* The maps used to pick up default x and y values from the
448 * map archetype. Mimic that behaviour.
572 */ 449 */
573void save_objects (mapstruct *m, object_freezer &fp, object_freezer &fp2, int flag) { 450 width = 16;
574 int i, j = 0,unique=0; 451 height = 16;
575 object *op; 452 timeout = 300;
576 /* first pass - save one-part objects */ 453 max_nrof = 1000; // 1000 items of anything
577 for(i = 0; i < MAP_WIDTH(m); i++) 454 max_volume = 2000000; // 2m³
578 for (j = 0; j < MAP_HEIGHT(m); j++) { 455}
579 unique=0;
580 for(op = get_map_ob (m, i, j); op; op = op->above) {
581 if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE))
582 unique=1;
583 456
584 if(op->type == PLAYER) { 457maptile::maptile (int w, int h)
585 LOG(llevDebug, "Player on map that is being saved\n"); 458{
586 continue; 459 in_memory = MAP_SWAPPED;
587 }
588 460
589 if (op->head || op->owner) 461 width = w;
590 continue; 462 height = h;
463 reset_timeout = 0;
464 timeout = 300;
465 enter_x = 0;
466 enter_y = 0;
591 467
592 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 468 alloc ();
593 save_object (fp2, op, 3);
594 else
595 if (flag == 0 ||
596 (flag == 2 && (!QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) &&
597 !QUERY_FLAG(op, FLAG_UNPAID))))
598 save_object(fp, op, 3);
599
600 } /* for this space */
601 } /* for this j */
602} 469}
603 470
604/* 471/*
605 * Allocates, initialises, and returns a pointer to a mapstruct.
606 * Modified to no longer take a path option which was not being
607 * used anyways. MSW 2001-07-01
608 */
609
610mapstruct *get_linked_map(void) {
611 mapstruct *map = new mapstruct;
612 mapstruct *mp;
613
614 for(mp=first_map;mp!=NULL&&mp->next!=NULL;mp=mp->next);
615 if(mp==NULL)
616 first_map=map;
617 else
618 mp->next=map;
619
620 map->in_memory=MAP_SWAPPED;
621 /* The maps used to pick up default x and y values from the
622 * map archetype. Mimic that behaviour.
623 */
624 MAP_WIDTH(map)=16;
625 MAP_HEIGHT(map)=16;
626 MAP_RESET_TIMEOUT(map)=0;
627 MAP_TIMEOUT(map)=300;
628 MAP_ENTER_X(map)=0;
629 MAP_ENTER_Y(map)=0;
630 /*set part to -1 indicating conversion to weather map not yet done*/
631 MAP_WORLDPARTX(map)=-1;
632 MAP_WORLDPARTY(map)=-1;
633 return map;
634}
635
636/*
637 * Allocates the arrays contained in a mapstruct. 472 * Allocates the arrays contained in a maptile.
638 * This basically allocates the dynamic array of spaces for the 473 * This basically allocates the dynamic array of spaces for the
639 * map. 474 * map.
640 */ 475 */
641 476void
642void allocate_map(mapstruct *m) { 477maptile::alloc ()
643 m->in_memory = MAP_IN_MEMORY; 478{
644 /* Log this condition and free the storage. We could I suppose
645 * realloc, but if the caller is presuming the data will be intact,
646 * that is their poor assumption.
647 */
648 if (m->spaces) { 479 if (spaces)
649 LOG(llevError,"allocate_map called with already allocated map (%s)\n", m->path);
650 free(m->spaces);
651 }
652
653 m->spaces = (MapSpace *) calloc(1, MAP_WIDTH(m) * MAP_HEIGHT(m) * sizeof(MapSpace));
654
655 if(m->spaces==NULL)
656 fatal(OUT_OF_MEMORY);
657}
658
659/* Create and returns a map of the specific size. Used
660 * in random map code and the editor.
661 */
662mapstruct *get_empty_map(int sizex, int sizey) {
663 mapstruct *m = get_linked_map();
664 m->width = sizex;
665 m->height = sizey;
666 m->in_memory = MAP_SWAPPED;
667 allocate_map(m);
668 return m; 480 return;
481
482 spaces = salloc0<mapspace> (size ());
669} 483}
484
485//+GPL
670 486
671/* Takes a string from a map definition and outputs a pointer to the array of shopitems 487/* Takes a string from a map definition and outputs a pointer to the array of shopitems
672 * corresponding to that string. Memory is allocated for this, it must be freed 488 * corresponding to that string. Memory is allocated for this, it must be freed
673 * at a later date. 489 * at a later date.
674 * Called by parse_map_headers below. 490 * Called by parse_map_headers below.
675 */ 491 */
676 492static shopitems *
677static shopitems *parse_shop_string (const char *input_string) { 493parse_shop_string (const char *input_string)
494{
678 char *shop_string, *p, *q, *next_semicolon, *next_colon; 495 char *shop_string, *p, *q, *next_semicolon, *next_colon;
679 shopitems *items=NULL; 496 shopitems *items = NULL;
680 int i=0, number_of_entries=0; 497 int i = 0, number_of_entries = 0;
681 const typedata *current_type; 498 const typedata *current_type;
682 499
683 shop_string=strdup_local(input_string); 500 shop_string = strdup (input_string);
684 p=shop_string; 501 p = shop_string;
685 /* first we'll count the entries, we'll need that for allocating the array shortly */ 502 /* first we'll count the entries, we'll need that for allocating the array shortly */
686 while (p) { 503 while (p)
504 {
687 p=strchr(p, ';'); 505 p = strchr (p, ';');
688 number_of_entries++; 506 number_of_entries++;
689 if (p) p++; 507 if (p)
508 p++;
690 } 509 }
510
691 p=shop_string; 511 p = shop_string;
692 strip_endline(p); 512 strip_endline (p);
693 items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); 513 items = new shopitems[number_of_entries + 1];
694 memset(items, 0, (sizeof(shopitems) * number_of_entries+1));
695 for (i=0; i<number_of_entries; i++) { 514 for (i = 0; i < number_of_entries; i++)
515 {
696 if (!p) { 516 if (!p)
517 {
697 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 518 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
698 break; 519 break;
699 } 520 }
521
700 next_semicolon=strchr(p, ';'); 522 next_semicolon = strchr (p, ';');
701 next_colon=strchr(p, ':'); 523 next_colon = strchr (p, ':');
702 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 524 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
703 if (next_colon &&( !next_semicolon || next_colon<next_semicolon)) 525 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
704 items[i].strength=atoi(strchr(p,':')+1); 526 items[i].strength = atoi (strchr (p, ':') + 1);
527
528 if (isdigit (*p) || *p == '*')
705 529 {
706 if (isdigit(*p) || *p=='*') {
707 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */ 530 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
708 current_type=get_typedata(items[i].typenum); 531 current_type = get_typedata (items[i].typenum);
709 if (current_type) { 532 if (current_type)
533 {
710 items[i].name=current_type->name; 534 items[i].name = current_type->name;
711 items[i].name_pl=current_type->name_pl; 535 items[i].name_pl = current_type->name_pl;
712 }
713 }
714 else { /*we have a named type, let's figure out what it is */
715 q=strpbrk(p,";:");
716 if (q) *q='\0';
717
718 current_type=get_typedata_by_name(p);
719 if (current_type) {
720 items[i].name=current_type->name;
721 items[i].typenum=current_type->number;
722 items[i].name_pl=current_type->name_pl;
723 }
724 else { /* oh uh, something's wrong, let's free up this one, and try
725 * the next entry while we're at it, better print a warning
726 */
727 LOG(llevError, "invalid type %s defined in shopitems in string %s\n",
728 p, input_string);
729 } 536 }
730 } 537 }
538 else
539 { /*we have a named type, let's figure out what it is */
540 q = strpbrk (p, ";:");
541 if (q)
542 *q = '\0';
543
544 current_type = get_typedata_by_name (p);
545 if (current_type)
546 {
547 items[i].name = current_type->name;
548 items[i].typenum = current_type->number;
549 items[i].name_pl = current_type->name_pl;
550 }
551 else
552 { /* oh uh, something's wrong, let's free up this one, and try
553 * the next entry while we're at it, better print a warning
554 */
555 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
556 }
557 }
558
731 items[i].index=number_of_entries; 559 items[i].index = number_of_entries;
732 if (next_semicolon) p=++next_semicolon; 560 if (next_semicolon)
561 p = ++next_semicolon;
562 else
733 else p=NULL; 563 p = NULL;
734 } 564 }
565
735 free(shop_string); 566 free (shop_string);
736 return items; 567 return items;
737} 568}
738 569
739/* opposite of parse string, this puts the string that was originally fed in to 570/* opposite of parse string, this puts the string that was originally fed in to
740 * the map (or something equivilent) into output_string. */ 571 * the map (or something equivilent) into output_string. */
741static void print_shop_string(mapstruct *m, char *output_string) { 572static const char *
742 int i; 573print_shop_string (maptile *m)
743 char tmp[MAX_BUF]; 574{
744 strcpy(output_string, ""); 575 static dynbuf_text buf; buf.clear ();
576
745 for (i=0; i< m->shopitems[0].index; i++) { 577 for (int i = 0; i < m->shopitems[0].index; i++)
578 {
746 if (m->shopitems[i].typenum) { 579 if (m->shopitems[i].typenum)
580 {
747 if (m->shopitems[i].strength) { 581 if (m->shopitems[i].strength)
748 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 582 buf.printf ("%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
749 } 583 else
750 else sprintf(tmp, "%s;", m->shopitems[i].name); 584 buf.printf ("%s;", m->shopitems[i].name);
751 } 585 }
752 else { 586 else
587 {
753 if (m->shopitems[i].strength) { 588 if (m->shopitems[i].strength)
754 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 589 buf.printf ("*:%d;", m->shopitems[i].strength);
755 } 590 else
756 else sprintf(tmp, "*"); 591 buf.printf ("*");
757 } 592 }
758 strcat(output_string, tmp);
759 } 593 }
594
595 return buf;
760} 596}
597
598//-GPL
761 599
762/* This loads the header information of the map. The header 600/* This loads the header information of the map. The header
763 * contains things like difficulty, size, timeout, etc. 601 * contains things like difficulty, size, timeout, etc.
764 * this used to be stored in the map object, but with the 602 * this used to be stored in the map object, but with the
765 * addition of tiling, fields beyond that easily named in an 603 * addition of tiling, fields beyond that easily named in an
… …
767 * put all the stuff in the map object so that names actually make 605 * put all the stuff in the map object so that names actually make
768 * sense. 606 * sense.
769 * This could be done in lex (like the object loader), but I think 607 * This could be done in lex (like the object loader), but I think
770 * currently, there are few enough fields this is not a big deal. 608 * currently, there are few enough fields this is not a big deal.
771 * MSW 2001-07-01 609 * MSW 2001-07-01
772 * return 0 on success, 1 on failure.
773 */ 610 */
774 611bool
775static int load_map_header(object_thawer &fp, mapstruct *m) 612maptile::_load_header (object_thawer &thawer)
776{ 613{
777 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 614 for (;;)
778 int msgpos=0; 615 {
779 int maplorepos=0; 616 switch (thawer.kw)
780
781 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
782 buf[HUGE_BUF-1] = 0;
783 key = buf;
784 while (isspace(*key)) key++;
785 if (*key == 0) continue; /* empty line */
786 value = strchr(key, ' ');
787 if (!value) {
788 end = strchr(key, '\n');
789 if (end != NULL) {
790 *end = 0;
791 }
792 } else {
793 *value = 0;
794 value++;
795 end = strchr(value, '\n');
796 while (isspace(*value)) {
797 value++;
798 if (*value == '\0' || value == end) {
799 /* Nothing but spaces. */
800 value = NULL;
801 break;
802 }
803 }
804 } 617 {
805 if (!end) { 618 case KW_msg:
806 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", 619 thawer.get_ml (KW_endmsg, msg);
807 buf); 620 break;
621
622 case KW_lore: // CF+ extension
623 thawer.get_ml (KW_endlore, maplore);
624 break;
625
626 case KW_maplore:
627 thawer.get_ml (KW_endmaplore, maplore);
628 break;
629
630 case KW_arch:
631 if (strcmp (thawer.get_str (), "map"))
632 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
633 break;
634
635 case KW_oid:
636 thawer.get (this, thawer.get_sint32 ());
637 break;
638
639 case KW_file_format_version: break; // nop
640
641 case KW_name: thawer.get (name); break;
642 case KW_attach: thawer.get (attach); break;
643 case KW_reset_time: thawer.get (reset_time); break;
644 case KW_shopgreed: thawer.get (shopgreed); break;
645 case KW_shopmin: thawer.get (shopmin); break;
646 case KW_shopmax: thawer.get (shopmax); break;
647 case KW_shoprace: thawer.get (shoprace); break;
648 case KW_outdoor: thawer.get (outdoor); break;
649 case KW_temp: thawer.get (temp); break;
650 case KW_pressure: thawer.get (pressure); break;
651 case KW_humid: thawer.get (humid); break;
652 case KW_windspeed: thawer.get (windspeed); break;
653 case KW_winddir: thawer.get (winddir); break;
654 case KW_sky: thawer.get (sky); break;
655
656 case KW_per_player: thawer.get (per_player); break;
657 case KW_per_party: thawer.get (per_party); break;
658 case KW_no_reset: thawer.get (no_reset); break;
659 case KW_no_drop: thawer.get (no_drop); break;
660
661 case KW_region: default_region = region::find (thawer.get_str ()); break;
662 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
663
664 // old names new names
665 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
666 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
667 case KW_x: case KW_width: thawer.get (width); break;
668 case KW_y: case KW_height: thawer.get (height); break;
669 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
670 case KW_value: case KW_swap_time: thawer.get (timeout); break;
671 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
672 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
673 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
674
675 case KW_tile_path_1: thawer.get (tile_path [0]); break;
676 case KW_tile_path_2: thawer.get (tile_path [1]); break;
677 case KW_tile_path_3: thawer.get (tile_path [2]); break;
678 case KW_tile_path_4: thawer.get (tile_path [3]); break;
679
680 case KW_ERROR:
681 set_key_text (thawer.kw_str, thawer.value);
682 break;
683
684 case KW_end:
685 thawer.next ();
808 return 1; 686 return true;
809 }
810
811 687
812 /* key is the field name, value is what it should be set 688 default:
813 * to. We've already done the work to null terminate key, 689 if (!thawer.parse_error ("map", 0))
814 * and strip off any leading spaces for both of these. 690 return false;
815 * We have not touched the newline at the end of the line -
816 * these are needed for some values. the end pointer
817 * points to the first of the newlines.
818 * value could be NULL! It would be easy enough to just point
819 * this to "" to prevent cores, but that would let more errors slide
820 * through.
821 *
822 * First check for entries that do not use the value parameter, then
823 * validate that value is given and check for the remaining entries
824 * that use the parameter.
825 */
826
827 if (!strcmp(key,"msg")) {
828 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
829 if (!strcmp(buf,"endmsg\n")) break;
830 else {
831 /* slightly more efficient than strcat */
832 strcpy(msgbuf+msgpos, buf);
833 msgpos += strlen(buf);
834 }
835 }
836 /* There are lots of maps that have empty messages (eg, msg/endmsg
837 * with nothing between). There is no reason in those cases to
838 * keep the empty message. Also, msgbuf contains garbage data
839 * when msgpos is zero, so copying it results in crashes
840 */
841 if (msgpos != 0)
842 m->msg = strdup_local(msgbuf);
843 }
844 else if (!strcmp(key,"maplore")) {
845 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
846 if (!strcmp(buf,"endmaplore\n")) break;
847 else {
848 /* slightly more efficient than strcat */
849 strcpy(maplorebuf+maplorepos, buf);
850 maplorepos += strlen(buf);
851 }
852 }
853 if (maplorepos != 0)
854 m->maplore = strdup_local(maplorebuf);
855 }
856 else if (!strcmp(key,"end")) {
857 break; 691 break;
858 } 692 }
859 else if (value == NULL) {
860 LOG(llevError, "Got '%s' line without parameter in map header\n", key);
861 }
862 else if (!strcmp(key, "arch")) {
863 /* This is an oddity, but not something we care about much. */
864 if (strcmp(value,"map\n"))
865 LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value);
866 }
867 else if (!strcmp(key,"name")) {
868 *end=0;
869 m->name = strdup_local(value);
870 }
871 /* first strcmp value on these are old names supported
872 * for compatibility reasons. The new values (second) are
873 * what really should be used.
874 */
875 else if (!strcmp(key,"oid")) {
876 fp.get (m, atoi(value));
877 } else if (!strcmp(key, "attach")) {
878 m->attach = value;
879 } else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) {
880 m->enter_x = atoi(value);
881 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) {
882 m->enter_y = atoi(value);
883 } else if (!strcmp(key,"x") || !strcmp(key, "width")) {
884 m->width = atoi(value);
885 } else if (!strcmp(key,"y") || !strcmp(key, "height")) {
886 m->height = atoi(value);
887 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) {
888 m->reset_timeout = atoi(value);
889 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) {
890 m->timeout = atoi(value);
891 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) {
892 m->difficulty = atoi(value);
893 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) {
894 m->darkness = atoi(value);
895 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) {
896 m->fixed_resettime = atoi(value);
897 } else if (!strcmp(key,"unique")) {
898 m->unique = atoi(value);
899 } else if (!strcmp(key,"template")) {
900 m->templatemap = atoi(value);
901 } else if (!strcmp(key,"region")) {
902 m->region = get_region_by_name(value);
903 } else if (!strcmp(key,"shopitems")) {
904 *end=0;
905 m->shopitems = parse_shop_string(value);
906 } else if (!strcmp(key,"shopgreed")) {
907 m->shopgreed = atof(value);
908 } else if (!strcmp(key,"shopmin")) {
909 m->shopmin = atol(value);
910 } else if (!strcmp(key,"shopmax")) {
911 m->shopmax = atol(value);
912 } else if (!strcmp(key,"shoprace")) {
913 *end=0;
914 m->shoprace = strdup_local(value);
915 } else if (!strcmp(key,"outdoor")) {
916 m->outdoor = atoi(value);
917 } else if (!strcmp(key, "temp")) {
918 m->temp = atoi(value);
919 } else if (!strcmp(key, "pressure")) {
920 m->pressure = atoi(value);
921 } else if (!strcmp(key, "humid")) {
922 m->humid = atoi(value);
923 } else if (!strcmp(key, "windspeed")) {
924 m->windspeed = atoi(value);
925 } else if (!strcmp(key, "winddir")) {
926 m->winddir = atoi(value);
927 } else if (!strcmp(key, "sky")) {
928 m->sky = atoi(value);
929 } else if (!strcmp(key, "nosmooth")) {
930 m->nosmooth = atoi(value);
931 }
932 else if (!strncmp(key,"tile_path_", 10)) {
933 int tile=atoi(key+10);
934 693
935 if (tile<1 || tile>4) { 694 thawer.next ();
936 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n",
937 tile, m->path);
938 } else {
939 char *path;
940
941 *end = 0;
942
943 if (m->tile_path[tile-1]) {
944 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n",
945 tile, m->path);
946 free(m->tile_path[tile-1]);
947 m->tile_path[tile-1] = NULL;
948 }
949
950 if (check_path(value, 1) != -1) {
951 /* The unadorned path works. */
952 path = value;
953 } else {
954 /* Try again; it could be a relative exit. */
955
956 path = path_combine_and_normalize(m->path, value);
957
958 if (check_path(path, 1) == -1) {
959 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
960 path = NULL;
961 }
962 }
963
964 if (editor) {
965 /* Use the value as in the file. */
966 m->tile_path[tile-1] = strdup_local(value);
967 } else if (path != NULL) {
968 /* Use the normalized value. */
969 m->tile_path[tile-1] = strdup_local(path);
970 }
971 } /* end if tile direction (in)valid */
972 }
973 else {
974 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value);
975 }
976 }
977 if (!key || strcmp(key,"end")) {
978 LOG(llevError,"Got premature eof on map header!\n");
979 return 1;
980 }
981 return 0;
982}
983
984/*
985 * Opens the file "filename" and reads information about the map
986 * from the given file, and stores it in a newly allocated
987 * mapstruct. A pointer to this structure is returned, or NULL on failure.
988 * flags correspond to those in map.h. Main ones used are
989 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
990 * MAP_BLOCK, in which case we block on this load. This happens in all
991 * cases, no matter if this flag is set or not.
992 * MAP_STYLE: style map - don't add active objects, don't add to server
993 * managed map list.
994 */
995
996mapstruct *load_original_map(const char *filename, int flags) {
997 mapstruct *m;
998 char pathname[MAX_BUF];
999 695 }
1000 LOG(llevDebug, "load_original_map: %s (%x)\n", filename,flags);
1001 if (flags & MAP_PLAYER_UNIQUE)
1002 strcpy(pathname, filename);
1003 else if (flags & MAP_OVERLAY)
1004 strcpy(pathname, create_overlay_pathname(filename));
1005 else
1006 strcpy(pathname, create_pathname(filename));
1007 696
1008 object_thawer thawer (pathname); 697 abort ();
1009
1010 if (!thawer)
1011 return 0;
1012
1013 m = get_linked_map();
1014
1015 strcpy (m->path, filename);
1016 if (load_map_header(thawer, m)) {
1017 LOG(llevError,"Error loading map header for %s, flags=%d\n",
1018 filename, flags);
1019 delete_map(m);
1020 return NULL;
1021 }
1022
1023 allocate_map(m);
1024
1025 m->in_memory=MAP_LOADING;
1026 load_objects (m, thawer, flags & (MAP_BLOCK|MAP_STYLE));
1027
1028 m->in_memory=MAP_IN_MEMORY;
1029 if (!MAP_DIFFICULTY(m))
1030 MAP_DIFFICULTY(m)=calculate_difficulty(m);
1031 set_map_reset_time(m);
1032 m->instantiate ();
1033 return (m);
1034} 698}
1035 699
1036/* 700//+GPL
1037 * Loads a map, which has been loaded earlier, from file.
1038 * Return the map object we load into (this can change from the passed
1039 * option if we can't find the original map)
1040 */
1041
1042static mapstruct *load_temporary_map(mapstruct *m) {
1043 int comp;
1044 char buf[MAX_BUF];
1045
1046 if (!m->tmpname) {
1047 LOG(llevError, "No temporary filename for map %s\n", m->path);
1048 strcpy(buf, m->path);
1049 delete_map(m);
1050 m = load_original_map(buf, 0);
1051 if(m==NULL) return NULL;
1052 fix_auto_apply(m); /* Chests which open as default */
1053 return m;
1054 }
1055
1056 object_thawer thawer (m->tmpname);
1057
1058 if (!thawer)
1059 {
1060 strcpy (buf, m->path);
1061 delete_map (m);
1062 m = load_original_map (buf, 0);
1063 if (!m) return NULL;
1064 fix_auto_apply (m); /* Chests which open as default */
1065 return m;
1066 }
1067
1068 if (load_map_header(thawer, m)) {
1069 LOG(llevError,"Error loading map header for %s (%s)\n",
1070 m->path, m->tmpname);
1071 delete_map(m);
1072 m = load_original_map(m->path, 0);
1073 return NULL;
1074 }
1075 allocate_map(m);
1076
1077 m->in_memory=MAP_LOADING;
1078 load_objects (m, thawer, 0);
1079
1080 m->in_memory=MAP_IN_MEMORY;
1081 INVOKE_MAP (SWAPIN, m);
1082 return m;
1083}
1084
1085/*
1086 * Loads a map, which has been loaded earlier, from file.
1087 * Return the map object we load into (this can change from the passed
1088 * option if we can't find the original map)
1089 */
1090
1091mapstruct *load_overlay_map(const char *filename, mapstruct *m) {
1092 char pathname[MAX_BUF];
1093
1094 strcpy(pathname, create_overlay_pathname(filename));
1095
1096 object_thawer thawer (pathname);
1097
1098 if (!thawer)
1099 return m;
1100
1101 if (load_map_header(thawer, m)) {
1102 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1103 m->path, pathname);
1104 delete_map(m);
1105 m = load_original_map(m->path, 0);
1106 return NULL;
1107 }
1108 /*allocate_map(m);*/
1109
1110 m->in_memory=MAP_LOADING;
1111 load_objects (m, thawer, MAP_OVERLAY);
1112
1113 m->in_memory=MAP_IN_MEMORY;
1114 return m;
1115}
1116 701
1117/****************************************************************************** 702/******************************************************************************
1118 * This is the start of unique map handling code 703 * This is the start of unique map handling code
1119 *****************************************************************************/ 704 *****************************************************************************/
1120 705
1121/* This goes through map 'm' and removed any unique items on the map. */ 706/* This goes through the maptile and removed any unique items on the map. */
1122static void delete_unique_items(mapstruct *m) 707void
708maptile::clear_unique_items ()
1123{ 709{
1124 int i,j,unique; 710 for (int i = 0; i < size (); ++i)
1125 object *op, *next; 711 {
1126
1127 for(i=0; i<MAP_WIDTH(m); i++)
1128 for(j=0; j<MAP_HEIGHT(m); j++) {
1129 unique=0; 712 int unique = 0;
1130 for (op=get_map_ob(m, i, j); op; op=next) { 713 for (object *op = spaces [i].bot; op; )
1131 next = op->above; 714 {
715 object *above = op->above;
716
1132 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 717 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
1133 unique=1; 718 unique = 1;
719
1134 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 720 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique))
1135 clean_object(op); 721 op->destroy ();
1136 if (QUERY_FLAG(op, FLAG_IS_LINKED)) 722
1137 remove_button_link(op); 723 op = above;
1138 remove_ob(op);
1139 free_object(op);
1140 }
1141 }
1142 } 724 }
1143}
1144
1145
1146/*
1147 * Loads unique objects from file(s) into the map which is in memory
1148 * m is the map to load unique items into.
1149 */
1150static void load_unique_objects(mapstruct *m) {
1151 int count;
1152 char firstname[MAX_BUF];
1153
1154 for (count=0; count<10; count++) {
1155 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count);
1156 if (!access(firstname, R_OK)) break;
1157 }
1158 /* If we get here, we did not find any map */
1159 if (count==10) return;
1160
1161 object_thawer thawer (firstname);
1162
1163 if (!thawer)
1164 return;
1165
1166 m->in_memory=MAP_LOADING;
1167 if (m->tmpname == NULL) /* if we have loaded unique items from */
1168 delete_unique_items(m); /* original map before, don't duplicate them */
1169 load_objects (m, thawer, 0);
1170
1171 m->in_memory=MAP_IN_MEMORY;
1172}
1173
1174
1175/*
1176 * Saves a map to file. If flag is set, it is saved into the same
1177 * file it was (originally) loaded from. Otherwise a temporary
1178 * filename will be genarated, and the file will be stored there.
1179 * The temporary filename will be stored in the mapstructure.
1180 * If the map is unique, we also save to the filename in the map
1181 * (this should have been updated when first loaded)
1182 */
1183
1184int
1185new_save_map (mapstruct * m, int flag)
1186{
1187 char filename[MAX_BUF], buf[MAX_BUF], buf_s[MAX_BUF], shop[MAX_BUF];
1188 int i;
1189
1190 if (flag && !*m->path)
1191 { 725 }
1192 LOG (llevError, "Tried to save map without path.\n"); 726}
1193 return -1;
1194 }
1195 727
1196 if (flag || (m->unique) || (m->templatemap)) 728//-GPL
1197 {
1198 if (!m->unique && !m->templatemap)
1199 { /* flag is set */
1200 if (flag == 2)
1201 strcpy (filename, create_overlay_pathname (m->path));
1202 else
1203 strcpy (filename, create_pathname (m->path));
1204 }
1205 else
1206 strcpy (filename, m->path);
1207 729
1208 make_path_to_file (filename); 730bool
1209 } 731maptile::_save_header (object_freezer &freezer)
1210 else 732{
1211 { 733#define MAP_OUT(k) freezer.put (KW_ ## k, k)
1212 if (!m->tmpname) 734#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v)
1213 m->tmpname = tempnam_local (settings.tmpdir, NULL);
1214 735
1215 strcpy (filename, m->tmpname); 736 MAP_OUT2 (arch, "map");
1216 }
1217 737
1218 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename); 738 if (name) MAP_OUT (name);
1219 m->in_memory = MAP_SAVING; 739 MAP_OUT (swap_time);
740 MAP_OUT (reset_time);
741 MAP_OUT (reset_timeout);
742 MAP_OUT (fixed_resettime);
743 MAP_OUT (no_reset);
744 MAP_OUT (no_drop);
745 MAP_OUT (difficulty);
746 if (default_region) MAP_OUT2 (region, default_region->name);
1220 747
748 if (shopitems) MAP_OUT2 (shopitems, print_shop_string (this));
749 MAP_OUT (shopgreed);
750 MAP_OUT (shopmin);
751 MAP_OUT (shopmax);
752 if (shoprace) MAP_OUT (shoprace);
753
754 MAP_OUT (darkness);
755 MAP_OUT (width);
756 MAP_OUT (height);
757 MAP_OUT (enter_x);
758 MAP_OUT (enter_y);
759
760 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
761 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
762
763 MAP_OUT (outdoor);
764 MAP_OUT (temp);
765 MAP_OUT (pressure);
766 MAP_OUT (humid);
767 MAP_OUT (windspeed);
768 MAP_OUT (winddir);
769 MAP_OUT (sky);
770
771 MAP_OUT (per_player);
772 MAP_OUT (per_party);
773
774 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
775 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
776 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
777 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
778
779 freezer.put (this);
780 freezer.put (KW_end);
781
782 return true;
783}
784
785bool
786maptile::_save_header (const char *path)
787{
1221 object_freezer freezer; 788 object_freezer freezer;
1222 789
1223 /* legacy */ 790 if (!_save_header (freezer))
1224 fprintf (freezer, "arch map\n"); 791 return false;
1225 if (m->name)
1226 fprintf (freezer, "name %s\n", m->name);
1227 if (!flag)
1228 fprintf (freezer, "swap_time %d\n", m->swap_time);
1229 if (m->reset_timeout)
1230 fprintf (freezer, "reset_timeout %d\n", m->reset_timeout);
1231 if (m->fixed_resettime)
1232 fprintf (freezer, "fixed_resettime %d\n", m->fixed_resettime);
1233 /* we unfortunately have no idea if this is a value the creator set
1234 * or a difficulty value we generated when the map was first loaded
1235 */
1236 if (m->difficulty)
1237 fprintf (freezer, "difficulty %d\n", m->difficulty);
1238 if (m->region)
1239 fprintf (freezer, "region %s\n", m->region->name);
1240 if (m->shopitems)
1241 {
1242 print_shop_string (m, shop);
1243 fprintf (freezer, "shopitems %s\n", shop);
1244 }
1245 if (m->shopgreed)
1246 fprintf (freezer, "shopgreed %f\n", m->shopgreed);
1247#ifndef WIN32
1248 if (m->shopmin)
1249 fprintf (freezer, "shopmin %llu\n", m->shopmin);
1250 if (m->shopmax)
1251 fprintf (freezer, "shopmax %llu\n", m->shopmax);
1252#else
1253 if (m->shopmin)
1254 fprintf (freezer, "shopmin %I64u\n", m->shopmin);
1255 if (m->shopmax)
1256 fprintf (freezer, "shopmax %I64u\n", m->shopmax);
1257#endif
1258 if (m->shoprace)
1259 fprintf (freezer, "shoprace %s\n", m->shoprace);
1260 if (m->darkness)
1261 fprintf (freezer, "darkness %d\n", m->darkness);
1262 if (m->width)
1263 fprintf (freezer, "width %d\n", m->width);
1264 if (m->height)
1265 fprintf (freezer, "height %d\n", m->height);
1266 if (m->enter_x)
1267 fprintf (freezer, "enter_x %d\n", m->enter_x);
1268 if (m->enter_y)
1269 fprintf (freezer, "enter_y %d\n", m->enter_y);
1270 if (m->msg)
1271 fprintf (freezer, "msg\n%sendmsg\n", m->msg);
1272 if (m->maplore)
1273 fprintf (freezer, "maplore\n%sendmaplore\n", m->maplore);
1274 if (m->unique)
1275 fprintf (freezer, "unique %d\n", m->unique);
1276 if (m->templatemap)
1277 fprintf (freezer, "template %d\n", m->templatemap);
1278 if (m->outdoor)
1279 fprintf (freezer, "outdoor %d\n", m->outdoor);
1280 if (m->temp)
1281 fprintf (freezer, "temp %d\n", m->temp);
1282 if (m->pressure)
1283 fprintf (freezer, "pressure %d\n", m->pressure);
1284 if (m->humid)
1285 fprintf (freezer, "humid %d\n", m->humid);
1286 if (m->windspeed)
1287 fprintf (freezer, "windspeed %d\n", m->windspeed);
1288 if (m->winddir)
1289 fprintf (freezer, "winddir %d\n", m->winddir);
1290 if (m->sky)
1291 fprintf (freezer, "sky %d\n", m->sky);
1292 if (m->nosmooth)
1293 fprintf (freezer, "nosmooth %d\n", m->nosmooth);
1294 792
1295 /* Save any tiling information, except on overlays */ 793 return freezer.save (path);
1296 if (flag != 2)
1297 for (i = 0; i < 4; i++)
1298 if (m->tile_path[i])
1299 fprintf (freezer, "tile_path_%d %s\n", i + 1, m->tile_path[i]);
1300
1301 freezer.put (m);
1302 fprintf (freezer, "end\n");
1303
1304 /* In the game save unique items in the different file, but
1305 * in the editor save them to the normal map file.
1306 * If unique map, save files in the proper destination (set by
1307 * player)
1308 */
1309 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1310 {
1311 object_freezer unique;
1312
1313 if (flag == 2)
1314 save_objects (m, freezer, unique, 2);
1315 else
1316 save_objects (m, freezer, unique, 0);
1317
1318 sprintf (buf, "%s.v00", create_items_path (m->path));
1319
1320 unique.save (buf);
1321 }
1322 else
1323 { /* save same file when not playing, like in editor */
1324 save_objects (m, freezer, freezer, 0);
1325 }
1326
1327 freezer.save (filename);
1328
1329 return 0;
1330} 794}
1331 795
1332 796//+GPL
1333/*
1334 * Remove and free all objects in the inventory of the given object.
1335 * object.c ?
1336 */
1337
1338void clean_object(object *op)
1339{
1340 object *tmp, *next;
1341
1342 for(tmp = op->inv; tmp; tmp = next)
1343 {
1344 next = tmp->below;
1345 clean_object(tmp);
1346 if (QUERY_FLAG(tmp, FLAG_IS_LINKED))
1347 remove_button_link(tmp);
1348 remove_ob(tmp);
1349 free_object(tmp);
1350 }
1351}
1352 797
1353/* 798/*
1354 * Remove and free all objects in the given map. 799 * Remove and free all objects in the given map.
1355 */ 800 */
801void
802maptile::clear ()
803{
804 if (spaces)
805 {
806 for (mapspace *ms = spaces + size (); ms-- > spaces; )
807 while (object *op = ms->bot)
808 {
809 // manually remove, as to not trigger anything
810 if (ms->bot = op->above)
811 ms->bot->below = 0;
1356 812
1357void free_all_objects(mapstruct *m) { 813 op->flag [FLAG_REMOVED] = true;
1358 int i,j;
1359 object *op;
1360 814
1361 for(i=0;i<MAP_WIDTH(m);i++) 815 object *head = op->head_ ();
1362 for(j=0;j<MAP_HEIGHT(m);j++) { 816 if (op == head)
1363 object *previous_obj=NULL; 817 op->destroy ();
1364 while((op=GET_MAP_OB(m,i,j))!=NULL) { 818 else if (head->map != op->map)
1365 if (op==previous_obj) { 819 {
1366 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n"); 820 LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
1367 break; 821 head->destroy ();
1368 } 822 }
1369 previous_obj=op;
1370 if(op->head!=NULL)
1371 op = op->head;
1372
1373 /* If the map isn't in memory, free_object will remove and
1374 * free objects in op's inventory. So let it do the job.
1375 */
1376 if (m->in_memory==MAP_IN_MEMORY)
1377 clean_object(op);
1378 remove_ob(op);
1379 free_object(op);
1380 } 823 }
1381 }
1382}
1383 824
1384/* 825 sfree0 (spaces, size ());
1385 * Frees everything allocated by the given mapstructure.
1386 * don't free tmpname - our caller is left to do that
1387 */
1388
1389void free_map(mapstruct *m,int flag) {
1390 int i;
1391
1392 if (!m->in_memory) {
1393 LOG(llevError,"Trying to free freed map.\n");
1394 return;
1395 } 826 }
1396 if (flag && m->spaces) free_all_objects(m); 827
1397 if (m->name) FREE_AND_CLEAR(m->name);
1398 if (m->spaces) FREE_AND_CLEAR(m->spaces);
1399 if (m->msg) FREE_AND_CLEAR(m->msg);
1400 if (m->maplore) FREE_AND_CLEAR(m->maplore);
1401 if (m->shopitems) FREE_AND_CLEAR(m->shopitems);
1402 if (m->shoprace) FREE_AND_CLEAR(m->shoprace);
1403 if (m->buttons) 828 if (buttons)
1404 free_objectlinkpt(m->buttons); 829 free_objectlinkpt (buttons), buttons = 0;
1405 m->buttons = NULL; 830
831 sfree0 (regions, size ());
832 delete [] regionmap; regionmap = 0;
833}
834
835void
836maptile::clear_header ()
837{
838 name = 0;
839 msg = 0;
840 maplore = 0;
841 shoprace = 0;
842 delete [] shopitems, shopitems = 0;
843
1406 for (i=0; i<4; i++) { 844 for (int i = 0; i < 4; i++)
1407 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]); 845 tile_path [i] = 0;
1408 m->tile_map[i] = NULL;
1409 }
1410 m->in_memory = MAP_SWAPPED;
1411} 846}
1412 847
1413/* 848maptile::~maptile ()
1414 * function: vanish mapstruct 849{
1415 * m : pointer to mapstruct, if NULL no action 850 assert (destroyed ());
1416 * this deletes all the data on the map (freeing pointers) 851}
1417 * and then removes this map from the global linked list of maps.
1418 */
1419 852
1420void delete_map(mapstruct *m) { 853void
1421 mapstruct *tmp, *last; 854maptile::clear_links_to (maptile *m)
1422 int i; 855{
1423
1424 if (!m)
1425 return;
1426
1427 m->clear ();
1428
1429 if (m->in_memory == MAP_IN_MEMORY) {
1430 /* change to MAP_SAVING, even though we are not,
1431 * so that remove_ob doesn't do as much work.
1432 */
1433 m->in_memory = MAP_SAVING;
1434 free_map (m, 1);
1435 }
1436 /* move this out of free_map, since tmpname can still be needed if
1437 * the map is swapped out.
1438 */
1439 if (m->tmpname) {
1440 free(m->tmpname);
1441 m->tmpname=NULL;
1442 }
1443 last = NULL;
1444 /* We need to look through all the maps and see if any maps 856 /* We need to look through all the maps and see if any maps
1445 * are pointing at this one for tiling information. Since 857 * are pointing at this one for tiling information. Since
1446 * tiling can be assymetric, we just can not look to see which 858 * tiling can be asymetric, we just can not look to see which
1447 * maps this map tiles with and clears those. 859 * maps this map tiles with and clears those.
1448 */ 860 */
1449 for (tmp = first_map; tmp != NULL; tmp = tmp->next) {
1450 if (tmp->next == m) last = tmp;
1451
1452 /* This should hopefully get unrolled on a decent compiler */
1453 for (i=0; i<4; i++) 861 for (int i = 0; i < 4; i++)
1454 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL; 862 if (tile_map[i] == m)
1455 } 863 tile_map[i] = 0;
864}
1456 865
1457 /* If last is null, then this should be the first map in the list */ 866void
1458 if (!last) { 867maptile::do_destroy ()
1459 if (m == first_map) 868{
1460 first_map = m->next; 869 attachable::do_destroy ();
870
871 clear ();
872}
873
874/* decay and destroy perishable items in a map */
875void
876maptile::do_decay_objects ()
877{
878 if (!spaces)
879 return;
880
881 for (mapspace *ms = spaces + size (); ms-- > spaces; )
882 for (object *above, *op = ms->bot; op; op = above)
883 {
884 above = op->above;
885
886 bool destroy = 0;
887
888 // do not decay anything above unique floor tiles (yet :)
889 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
890 break;
891
892 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
893 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
894 || QUERY_FLAG (op, FLAG_UNIQUE)
895 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
896 || QUERY_FLAG (op, FLAG_UNPAID)
897 || op->is_alive ())
898 ; // do not decay
899 else if (op->is_weapon ())
900 {
901 op->stats.dam--;
902 if (op->stats.dam < 0)
903 destroy = 1;
904 }
905 else if (op->is_armor ())
906 {
907 op->stats.ac--;
908 if (op->stats.ac < 0)
909 destroy = 1;
910 }
911 else if (op->type == FOOD)
912 {
913 op->stats.food -= rndm (5, 20);
914 if (op->stats.food < 0)
915 destroy = 1;
916 }
1461 else 917 else
1462 /* m->path is a static char, so should hopefully still have
1463 * some useful data in it.
1464 */ 918 {
1465 LOG(llevError,"delete_map: Unable to find map %s in list\n", 919 int mat = op->materials;
1466 m->path);
1467 }
1468 else
1469 last->next = m->next;
1470 920
1471 delete m; 921 if (mat & M_PAPER
1472} 922 || mat & M_LEATHER
1473 923 || mat & M_WOOD
1474 924 || mat & M_ORGANIC
1475 925 || mat & M_CLOTH
1476/* 926 || mat & M_LIQUID
1477 * Makes sure the given map is loaded and swapped in. 927 || (mat & M_IRON && rndm (1, 5) == 1)
1478 * name is path name of the map. 928 || (mat & M_GLASS && rndm (1, 2) == 1)
1479 * flags meaning: 929 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
1480 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory, 930 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
1481 * and don't do unique items or the like. 931 || (mat & M_ICE && temp > 32))
1482 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player. 932 destroy = 1;
1483 * dont do any more name translation on it.
1484 *
1485 * Returns a pointer to the given map.
1486 */
1487
1488mapstruct *ready_map_name(const char *name, int flags) {
1489 mapstruct *m;
1490
1491 if (!name)
1492 return (NULL);
1493
1494 /* Have we been at this level before? */
1495 m = has_been_loaded (name);
1496
1497 /* Map is good to go, so just return it */
1498 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) {
1499 return m;
1500 }
1501
1502 /* unique maps always get loaded from their original location, and never
1503 * a temp location. Likewise, if map_flush is set, or we have never loaded
1504 * this map, load it now. I removed the reset checking from here -
1505 * it seems the probability of a player trying to enter a map that should
1506 * reset but hasn't yet is quite low, and removing that makes this function
1507 * a bit cleaner (and players probably shouldn't rely on exact timing for
1508 * resets in any case - if they really care, they should use the 'maps command.
1509 */
1510 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) {
1511
1512 /* first visit or time to reset */
1513 if (m) {
1514 clean_tmp_map(m); /* Doesn't make much difference */
1515 delete_map(m);
1516 } 933 }
1517 934
1518 /* create and load a map */ 935 /* adjust overall chance below */
1519 if (flags & MAP_PLAYER_UNIQUE) 936 if (destroy && rndm (0, 1))
1520 LOG(llevDebug, "Trying to load map %s.\n", name); 937 op->destroy ();
1521 else
1522 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name));
1523
1524 //0.427459955215454 /var/crossfire/players/Saladon/_scorn_apartment_apartments
1525 //0.414906024932861
1526 //0.427063941955566
1527 eval_pv ("$x = Event::time", 1);//D
1528 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE))))
1529 return (NULL);
1530 eval_pv ("warn \"LOAD \", Event::time - $x", 1);//D
1531
1532 fix_auto_apply(m); /* Chests which open as default */
1533
1534 /* If a player unique map, no extra unique object file to load.
1535 * if from the editor, likewise.
1536 */
1537 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)))
1538 load_unique_objects(m);
1539
1540 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) {
1541 m=load_overlay_map(name, m);
1542 if (m==NULL)
1543 return NULL;
1544 } 938 }
1545
1546 if (flags & MAP_PLAYER_UNIQUE)
1547 INVOKE_MAP (SWAPIN, m);
1548
1549 } else {
1550 /* If in this loop, we found a temporary map, so load it up. */
1551
1552 m=load_temporary_map (m);
1553 if(m==NULL) return NULL;
1554 load_unique_objects(m);
1555
1556 clean_tmp_map(m);
1557 m->in_memory = MAP_IN_MEMORY;
1558 /* tempnam() on sun systems (probably others) uses malloc
1559 * to allocated space for the string. Free it here.
1560 * In some cases, load_temporary_map above won't find the
1561 * temporary map, and so has reloaded a new map. If that
1562 * is the case, tmpname is now null
1563 */
1564 if (m->tmpname) free(m->tmpname);
1565 m->tmpname = NULL;
1566 /* It's going to be saved anew anyway */
1567 }
1568
1569 /* Below here is stuff common to both first time loaded maps and
1570 * temp maps.
1571 */
1572
1573 decay_objects(m); /* start the decay */
1574 /* In case other objects press some buttons down */
1575 update_buttons(m);
1576 if (m->outdoor)
1577 set_darkness_map(m);
1578 /* run the weather over this map */
1579 weather_effect(name);
1580 return m;
1581} 939}
1582
1583 940
1584/* 941/*
1585 * This routine is supposed to find out the difficulty of the map. 942 * This routine is supposed to find out the difficulty of the map.
1586 * difficulty does not have a lot to do with character level, 943 * difficulty does not have a lot to do with character level,
1587 * but does have a lot to do with treasure on the map. 944 * but does have a lot to do with treasure on the map.
1588 * 945 *
1589 * Difficulty can now be set by the map creature. If the value stored 946 * Difficulty can now be set by the map creator. If the value stored
1590 * in the map is zero, then use this routine. Maps should really 947 * in the map is zero, then use this routine. Maps should really
1591 * have a difficulty set than using this function - human calculation 948 * have a difficulty set rather than using this function - human calculation
1592 * is much better than this functions guesswork. 949 * is much better than this function's guesswork.
1593 */ 950 */
1594 951int
1595int calculate_difficulty(mapstruct *m) { 952maptile::estimate_difficulty () const
1596 object *op; 953{
1597 archetype *at;
1598 int x, y, i, diff;
1599 long monster_cnt = 0; 954 long monster_cnt = 0;
1600 double avgexp = 0; 955 double avgexp = 0;
1601 sint64 total_exp = 0; 956 sint64 total_exp = 0;
1602 957
1603 if (MAP_DIFFICULTY (m)) 958 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1604 { 959 for (object *op = ms->bot; op; op = op->above)
1605 LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1606 return MAP_DIFFICULTY (m);
1607 }
1608
1609 for(x = 0; x < MAP_WIDTH(m); x++)
1610 for(y = 0; y < MAP_HEIGHT(m); y++)
1611 for(op = get_map_ob(m, x, y); op != NULL; op = op->above)
1612 { 960 {
1613 if(QUERY_FLAG (op, FLAG_MONSTER)) 961 if (QUERY_FLAG (op, FLAG_MONSTER))
1614 { 962 {
1615 total_exp += op->stats.exp; 963 total_exp += op->stats.exp;
1616 monster_cnt++; 964 monster_cnt++;
1617 } 965 }
1618 966
1619 if(QUERY_FLAG (op, FLAG_GENERATOR)) 967 if (QUERY_FLAG (op, FLAG_GENERATOR))
1620 { 968 {
1621 total_exp += op->stats.exp; 969 total_exp += op->stats.exp;
1622 at = type_to_archetype(GENERATE_TYPE (op));
1623 970
1624 if(at != NULL) 971 if (archetype *at = op->other_arch)
972 {
1625 total_exp += at->clone.stats.exp * 8; 973 total_exp += at->stats.exp * 8;
1626
1627 monster_cnt++; 974 monster_cnt++;
1628 } 975 }
976
977 for (object *inv = op->inv; inv; inv = inv->below)
978 {
979 total_exp += op->stats.exp * 8;
980 monster_cnt++;
981 }
1629 } 982 }
983 }
1630 984
1631 avgexp = (double) total_exp / monster_cnt; 985 avgexp = (double) total_exp / monster_cnt;
1632 986
1633 for (i = 1; i <= settings.max_level; i++) 987 for (int i = 1; i <= settings.max_level; i++)
1634 {
1635 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 988 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1636 {
1637 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1638 return i; 989 return i;
1639 }
1640 }
1641 990
1642 return 1; 991 return 1;
1643}
1644
1645void clean_tmp_map(mapstruct *m) {
1646 if(m->tmpname == NULL)
1647 return;
1648 INVOKE_MAP (CLEAN, m);
1649 (void) unlink(m->tmpname);
1650}
1651
1652void free_all_maps(void)
1653{
1654 int real_maps=0;
1655
1656 while (first_map) {
1657 /* I think some of the callers above before it gets here set this to be
1658 * saving, but we still want to free this data
1659 */
1660 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY;
1661 delete_map(first_map);
1662 real_maps++;
1663 }
1664 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps);
1665} 992}
1666 993
1667/* change_map_light() - used to change map light level (darkness) 994/* change_map_light() - used to change map light level (darkness)
1668 * up or down. Returns true if successful. It should now be 995 * up or down. Returns true if successful. It should now be
1669 * possible to change a value by more than 1. 996 * possible to change a value by more than 1.
1670 * Move this from los.c to map.c since this is more related 997 * Move this from los.c to map.c since this is more related
1671 * to maps than los. 998 * to maps than los.
1672 * postive values make it darker, negative make it brighter 999 * postive values make it darker, negative make it brighter
1673 */ 1000 */
1674 1001int
1675int change_map_light(mapstruct *m, int change) { 1002maptile::change_map_light (int change)
1676 int new_level = m->darkness + change; 1003{
1677
1678 /* Nothing to do */ 1004 /* Nothing to do */
1679 if(!change || (new_level <= 0 && m->darkness == 0) || 1005 if (!change)
1680 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) {
1681 return 0; 1006 return 0;
1682 }
1683 1007
1684 /* inform all players on the map */ 1008 /* inform all players on the map */
1685 if (change>0) 1009 if (change > 0)
1686 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 1010 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1687 else 1011 else
1688 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 1012 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1689 1013
1690 /* Do extra checking. since m->darkness is a unsigned value, 1014 darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1691 * we need to be extra careful about negative values.
1692 * In general, the checks below are only needed if change
1693 * is not +/-1
1694 */
1695 if (new_level < 0) m->darkness = 0;
1696 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS;
1697 else m->darkness=new_level;
1698 1015
1699 /* All clients need to get re-updated for the change */ 1016 /* All clients need to get re-updated for the change */
1700 update_all_map_los(m); 1017 update_all_map_los (this);
1018
1701 return 1; 1019 return 1;
1702} 1020}
1703
1704 1021
1705/* 1022/*
1706 * This function updates various attributes about a specific space 1023 * This function updates various attributes about a specific space
1707 * on the map (what it looks like, whether it blocks magic, 1024 * on the map (what it looks like, whether it blocks magic,
1708 * has a living creatures, prevents people from passing 1025 * has a living creatures, prevents people from passing
1709 * through, etc) 1026 * through, etc)
1710 */ 1027 */
1711void update_position (mapstruct *m, int x, int y) { 1028void
1712 object *tmp, *last = NULL; 1029mapspace::update_ ()
1713 uint8 flags = 0, oldflags, light=0, anywhere=0; 1030{
1714 New_Face *top,*floor, *middle; 1031 object *last = 0;
1715 object *top_obj, *floor_obj, *middle_obj; 1032 uint8 flags = P_UPTODATE, anywhere = 0;
1033 sint8 light = 0;
1716 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1034 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1717 1035
1718 oldflags = GET_MAP_FLAGS(m,x,y); 1036 //object *middle = 0;
1719 if (!(oldflags & P_NEED_UPDATE)) { 1037 //object *top = 0;
1720 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", 1038 //object *floor = 0;
1721 m->path, x, y); 1039 // this seems to generate better code than using locals, above
1722 return; 1040 object *&top = faces_obj[0] = 0;
1041 object *&middle = faces_obj[1] = 0;
1042 object *&floor = faces_obj[2] = 0;
1043
1044 for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1723 } 1045 {
1046 // Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1047 light += tmp->glow_radius;
1724 1048
1725 middle=blank_face;
1726 top=blank_face;
1727 floor=blank_face;
1728
1729 middle_obj = NULL;
1730 top_obj = NULL;
1731 floor_obj = NULL;
1732
1733 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) {
1734
1735 /* This could be made additive I guess (two lights better than
1736 * one). But if so, it shouldn't be a simple additive - 2
1737 * light bulbs do not illuminate twice as far as once since
1738 * it is a disapation factor that is squared (or is it cubed?)
1739 */
1740 if (tmp->glow_radius > light) light = tmp->glow_radius;
1741
1742 /* This call is needed in order to update objects the player 1049 /* This call is needed in order to update objects the player
1743 * is standing in that have animations (ie, grass, fire, etc). 1050 * is standing in that have animations (ie, grass, fire, etc).
1744 * However, it also causes the look window to be re-drawn 1051 * However, it also causes the look window to be re-drawn
1745 * 3 times each time the player moves, because many of the 1052 * 3 times each time the player moves, because many of the
1746 * functions the move_player calls eventualy call this. 1053 * functions the move_player calls eventualy call this.
1747 * 1054 *
1748 * Always put the player down for drawing. 1055 * Always put the player down for drawing.
1749 */ 1056 */
1750 if (!tmp->invisible) { 1057 if (!tmp->invisible)
1058 {
1751 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1059 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER)))
1752 top = tmp->face;
1753 top_obj = tmp; 1060 top = tmp;
1061 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1062 {
1063 /* If we got a floor, that means middle and top were below it,
1064 * so should not be visible, so we clear them.
1065 */
1066 middle = 0;
1067 top = 0;
1068 floor = tmp;
1754 } 1069 }
1070 /* Flag anywhere have high priority */
1755 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1071 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1756 /* If we got a floor, that means middle and top were below it,
1757 * so should not be visible, so we clear them.
1758 */ 1072 {
1759 middle=blank_face; 1073 middle = tmp;
1760 top=blank_face; 1074 anywhere = 1;
1761 floor = tmp->face;
1762 floor_obj = tmp;
1763 } 1075 }
1764 /* Flag anywhere have high priority */ 1076
1765 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 1077 /* Find the highest visible face around. If equal
1078 * visibilities, we still want the one nearer to the
1079 * top
1080 */
1081 else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1766 middle = tmp->face; 1082 middle = tmp;
1083 }
1767 1084
1085 if (tmp == tmp->above)
1086 {
1087 LOG (llevError, "Error in structure of map\n");
1088 exit (-1);
1089 }
1090
1091 move_slow |= tmp->move_slow;
1092 move_block |= tmp->move_block;
1093 move_on |= tmp->move_on;
1094 move_off |= tmp->move_off;
1095 move_allow |= tmp->move_allow;
1096
1097 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW;
1098 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC;
1099 if (tmp->type == PLAYER) flags |= P_PLAYER;
1100 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1101 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1102 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1103 }
1104
1105 this->light = min (light, MAX_LIGHT_RADIUS);
1106 this->flags_ = flags;
1107 this->move_block = move_block & ~move_allow;
1108 this->move_on = move_on;
1109 this->move_off = move_off;
1110 this->move_slow = move_slow;
1111
1112 /* At this point, we have a floor face (if there is a floor),
1113 * and the floor is set - we are not going to touch it at
1114 * this point.
1115 * middle contains the highest visibility face.
1116 * top contains a player/monster face, if there is one.
1117 *
1118 * We now need to fill in top.face and/or middle.face.
1119 */
1120
1121 /* If the top face also happens to be high visibility, re-do our
1122 * middle face. This should not happen, as we already have the
1123 * else statement above so middle should not get set. OTOH, it
1124 * may be possible for the faces to match but be different objects.
1125 */
1126 if (top == middle)
1127 middle = 0;
1128
1129 /* There are three posibilities at this point:
1130 * 1) top face is set, need middle to be set.
1131 * 2) middle is set, need to set top.
1132 * 3) neither middle or top is set - need to set both.
1133 */
1134
1135 for (object *tmp = last; tmp; tmp = tmp->below)
1136 {
1137 /* Once we get to a floor, stop, since we already have a floor object */
1138 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1139 break;
1140
1141 /* If two top faces are already set, quit processing */
1142 if (top && middle)
1143 break;
1144
1145 /* Only show visible faces */
1146 if (!tmp->invisible)
1147 {
1148 /* Fill in top if needed */
1149 if (!top)
1150 {
1151 top = tmp;
1152 if (top == middle)
1768 middle_obj = tmp; 1153 middle = 0;
1769 anywhere =1;
1770 } 1154 }
1771 /* Find the highest visible face around. If equal 1155 else
1772 * visibilities, we still want the one nearer to the
1773 * top
1774 */
1775 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) {
1776 middle = tmp->face;
1777 middle_obj = tmp;
1778 } 1156 {
1779 }
1780 if (tmp==tmp->above) {
1781 LOG(llevError, "Error in structure of map\n");
1782 exit (-1);
1783 }
1784
1785 move_slow |= tmp->move_slow;
1786 move_block |= tmp->move_block;
1787 move_on |= tmp->move_on;
1788 move_off |= tmp->move_off;
1789 move_allow |= tmp->move_allow;
1790
1791 if (QUERY_FLAG(tmp,FLAG_ALIVE))
1792 flags |= P_IS_ALIVE;
1793 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC))
1794 flags |= P_NO_MAGIC;
1795 if (QUERY_FLAG(tmp,FLAG_DAMNED))
1796 flags |= P_NO_CLERIC;
1797 if (tmp->type == SAFE_GROUND)
1798 flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC;
1799
1800 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW))
1801 flags |= P_BLOCKSVIEW;
1802 } /* for stack of objects */
1803
1804 /* we don't want to rely on this function to have accurate flags, but
1805 * since we're already doing the work, we calculate them here.
1806 * if they don't match, logic is broken someplace.
1807 */
1808 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) &&
1809 (!(oldflags & P_NO_ERROR))) {
1810 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1811 m->path, x, y,
1812 (oldflags & ~P_NEED_UPDATE), flags);
1813 }
1814 SET_MAP_FLAGS(m, x, y, flags);
1815 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow);
1816 SET_MAP_MOVE_ON(m, x, y, move_on);
1817 SET_MAP_MOVE_OFF(m, x, y, move_off);
1818 SET_MAP_MOVE_SLOW(m, x, y, move_slow);
1819
1820 /* At this point, we have a floor face (if there is a floor),
1821 * and the floor is set - we are not going to touch it at
1822 * this point.
1823 * middle contains the highest visibility face.
1824 * top contains a player/monster face, if there is one.
1825 *
1826 * We now need to fill in top.face and/or middle.face.
1827 */
1828
1829 /* If the top face also happens to be high visibility, re-do our
1830 * middle face. This should not happen, as we already have the
1831 * else statement above so middle should not get set. OTOH, it
1832 * may be possible for the faces to match but be different objects.
1833 */
1834 if (top == middle) middle=blank_face;
1835
1836 /* There are three posibilities at this point:
1837 * 1) top face is set, need middle to be set.
1838 * 2) middle is set, need to set top.
1839 * 3) neither middle or top is set - need to set both.
1840 */
1841
1842 for (tmp=last; tmp; tmp=tmp->below) {
1843 /* Once we get to a floor, stop, since we already have a floor object */
1844 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break;
1845
1846 /* If two top faces are already set, quit processing */
1847 if ((top != blank_face) && (middle != blank_face)) break;
1848
1849 /* Only show visible faces, unless its the editor - show all */
1850 if (!tmp->invisible || editor) {
1851 /* Fill in top if needed */
1852 if (top == blank_face) {
1853 top = tmp->face;
1854 top_obj = tmp;
1855 if (top == middle) middle=blank_face;
1856 } else {
1857 /* top is already set - we should only get here if 1157 /* top is already set - we should only get here if
1858 * middle is not set 1158 * middle is not set
1859 * 1159 *
1860 * Set the middle face and break out, since there is nothing 1160 * Set the middle face and break out, since there is nothing
1861 * more to fill in. We don't check visiblity here, since 1161 * more to fill in. We don't check visiblity here, since
1862 * 1162 *
1863 */ 1163 */
1864 if (tmp->face != top ) { 1164 if (tmp != top)
1865 middle = tmp->face; 1165 {
1866 middle_obj = tmp; 1166 middle = tmp;
1867 break; 1167 break;
1868 } 1168 }
1869 } 1169 }
1870 } 1170 }
1871 } 1171 }
1872 if (middle == floor) middle = blank_face;
1873 if (top == middle) middle = blank_face;
1874 SET_MAP_FACE(m,x,y,top,0);
1875 if(top != blank_face)
1876 SET_MAP_FACE_OBJ(m,x,y,top_obj,0);
1877 else
1878 SET_MAP_FACE_OBJ(m,x,y,NULL,0);
1879 SET_MAP_FACE(m,x,y,middle,1);
1880 if(middle != blank_face)
1881 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1);
1882 else
1883 SET_MAP_FACE_OBJ(m,x,y,NULL,1);
1884 SET_MAP_FACE(m,x,y,floor,2);
1885 if(floor != blank_face)
1886 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2);
1887 else
1888 SET_MAP_FACE_OBJ(m,x,y,NULL,2);
1889 SET_MAP_LIGHT(m,x,y,light);
1890}
1891 1172
1173 if (middle == floor)
1174 middle = 0;
1892 1175
1893void set_map_reset_time(mapstruct *map) { 1176 if (top == middle)
1894 int timeout; 1177 middle = 0;
1895 1178
1896 timeout = MAP_RESET_TIMEOUT(map); 1179#if 0
1897 if (timeout <= 0) 1180 faces_obj [0] = top;
1898 timeout = MAP_DEFAULTRESET; 1181 faces_obj [1] = middle;
1899 if (timeout >= MAP_MAXRESET) 1182 faces_obj [2] = floor;
1900 timeout = MAP_MAXRESET; 1183#endif
1901 MAP_WHEN_RESET(map) = seconds()+timeout;
1902} 1184}
1903 1185
1904/* this updates the orig_map->tile_map[tile_num] value after loading 1186uint64
1905 * the map. It also takes care of linking back the freshly loaded 1187mapspace::volume () const
1906 * maps tile_map values if it tiles back to this one. It returns
1907 * the value of orig_map->tile_map[tile_num]. It really only does this
1908 * so that it is easier for calling functions to verify success.
1909 */
1910
1911static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num)
1912{ 1188{
1913 int dest_tile = (tile_num +2) % 4; 1189 uint64 vol = 0;
1914 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]);
1915 1190
1916 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 1191 for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1192 vol += op->volume ();
1917 1193
1918 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1194 return vol;
1919 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 1195}
1920 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path))
1921 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1922 1196
1923 return orig_map->tile_map[tile_num]; 1197maptile *
1198maptile::tile_available (int dir, bool load)
1199{
1200 if (tile_path[dir])
1201 {
1202 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1203 return tile_map[dir];
1204
1205 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1206 return tile_map[dir];
1207 }
1208
1209 return 0;
1924} 1210}
1925 1211
1926/* this returns TRUE if the coordinates (x,y) are out of 1212/* this returns TRUE if the coordinates (x,y) are out of
1927 * map m. This function also takes into account any 1213 * map m. This function also takes into account any
1928 * tiling considerations, loading adjacant maps as needed. 1214 * tiling considerations, loading adjacant maps as needed.
1929 * This is the function should always be used when it 1215 * This is the function should always be used when it
1930 * necessary to check for valid coordinates. 1216 * necessary to check for valid coordinates.
1931 * This function will recursively call itself for the 1217 * This function will recursively call itself for the
1932 * tiled maps. 1218 * tiled maps.
1933 * 1219 */
1934 * 1220int
1935 */
1936int out_of_map(mapstruct *m, int x, int y) 1221out_of_map (maptile *m, int x, int y)
1937{ 1222{
1938
1939 /* If we get passed a null map, this is obviously the 1223 /* If we get passed a null map, this is obviously the
1940 * case. This generally shouldn't happen, but if the 1224 * case. This generally shouldn't happen, but if the
1941 * map loads fail below, it could happen. 1225 * map loads fail below, it could happen.
1942 */ 1226 */
1943 if (!m) return 0; 1227 if (!m)
1944
1945 if (x<0) {
1946 if (!m->tile_path[3]) return 1;
1947 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1948 load_and_link_tiled_map(m, 3);
1949 }
1950 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1951 }
1952 if (x>=MAP_WIDTH(m)) {
1953 if (!m->tile_path[1]) return 1;
1954 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1955 load_and_link_tiled_map(m, 1);
1956 }
1957 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1958 }
1959 if (y<0) {
1960 if (!m->tile_path[0]) return 1;
1961 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1962 load_and_link_tiled_map(m, 0);
1963 }
1964 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1965 }
1966 if (y>=MAP_HEIGHT(m)) {
1967 if (!m->tile_path[2]) return 1;
1968 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
1969 load_and_link_tiled_map(m, 2);
1970 }
1971 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
1972 }
1973
1974 /* Simple case - coordinates are within this local
1975 * map.
1976 */
1977 return 0; 1228 return 0;
1229
1230 if (x < 0)
1231 {
1232 if (!m->tile_available (3))
1233 return 1;
1234
1235 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1236 }
1237
1238 if (x >= m->width)
1239 {
1240 if (!m->tile_available (1))
1241 return 1;
1242
1243 return out_of_map (m->tile_map[1], x - m->width, y);
1244 }
1245
1246 if (y < 0)
1247 {
1248 if (!m->tile_available (0))
1249 return 1;
1250
1251 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1252 }
1253
1254 if (y >= m->height)
1255 {
1256 if (!m->tile_available (2))
1257 return 1;
1258
1259 return out_of_map (m->tile_map[2], x, y - m->height);
1260 }
1261
1262 /* Simple case - coordinates are within this local
1263 * map.
1264 */
1265 return 0;
1978} 1266}
1979 1267
1980/* This is basically the same as out_of_map above, but 1268/* This is basically the same as out_of_map above, but
1981 * instead we return NULL if no map is valid (coordinates 1269 * instead we return NULL if no map is valid (coordinates
1982 * out of bounds and no tiled map), otherwise it returns 1270 * out of bounds and no tiled map), otherwise it returns
1983 * the map as that the coordinates are really on, and 1271 * the map as that the coordinates are really on, and
1984 * updates x and y to be the localized coordinates. 1272 * updates x and y to be the localised coordinates.
1985 * Using this is more efficient of calling out_of_map 1273 * Using this is more efficient of calling out_of_map
1986 * and then figuring out what the real map is 1274 * and then figuring out what the real map is
1987 */ 1275 */
1988mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 1276maptile *
1277maptile::xy_find (sint16 &x, sint16 &y)
1989{ 1278{
1990 1279 if (x < 0)
1991 if (*x<0) {
1992 if (!m->tile_path[3]) return NULL;
1993 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
1994 load_and_link_tiled_map(m, 3);
1995
1996 *x += MAP_WIDTH(m->tile_map[3]);
1997 return (get_map_from_coord(m->tile_map[3], x, y));
1998 } 1280 {
1999 if (*x>=MAP_WIDTH(m)) { 1281 if (!tile_available (3))
2000 if (!m->tile_path[1]) return NULL; 1282 return 0;
2001 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2002 load_and_link_tiled_map(m, 1);
2003 1283
2004 *x -= MAP_WIDTH(m); 1284 x += tile_map[3]->width;
2005 return (get_map_from_coord(m->tile_map[1], x, y)); 1285 return tile_map[3]->xy_find (x, y);
1286 }
1287
1288 if (x >= width)
2006 } 1289 {
2007 if (*y<0) { 1290 if (!tile_available (1))
2008 if (!m->tile_path[0]) return NULL; 1291 return 0;
2009 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2010 load_and_link_tiled_map(m, 0);
2011 1292
2012 *y += MAP_HEIGHT(m->tile_map[0]); 1293 x -= width;
2013 return (get_map_from_coord(m->tile_map[0], x, y)); 1294 return tile_map[1]->xy_find (x, y);
1295 }
1296
1297 if (y < 0)
2014 } 1298 {
2015 if (*y>=MAP_HEIGHT(m)) { 1299 if (!tile_available (0))
2016 if (!m->tile_path[2]) return NULL; 1300 return 0;
2017 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2018 load_and_link_tiled_map(m, 2);
2019 1301
2020 *y -= MAP_HEIGHT(m); 1302 y += tile_map[0]->height;
2021 return (get_map_from_coord(m->tile_map[2], x, y)); 1303 return tile_map[0]->xy_find (x, y);
1304 }
1305
1306 if (y >= height)
2022 } 1307 {
1308 if (!tile_available (2))
1309 return 0;
2023 1310
1311 y -= height;
1312 return tile_map[2]->xy_find (x, y);
1313 }
1314
2024 /* Simple case - coordinates are within this local 1315 /* Simple case - coordinates are within this local
2025 * map. 1316 * map.
2026 */ 1317 */
2027 1318 return this;
2028 return m;
2029} 1319}
2030 1320
2031/** 1321/**
2032 * Return whether map2 is adjacent to map1. If so, store the distance from 1322 * Return whether map2 is adjacent to map1. If so, store the distance from
2033 * map1 to map2 in dx/dy. 1323 * map1 to map2 in dx/dy.
2034 */ 1324 */
1325int
2035static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 1326adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1327{
2036 if (!map1 || !map2) 1328 if (!map1 || !map2)
2037 return 0; 1329 return 0;
2038 1330
1331 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
1332 //fix: compare paths instead (this is likely faster, too!)
2039 if (map1 == map2) { 1333 if (map1 == map2)
1334 {
2040 *dx = 0; 1335 *dx = 0;
2041 *dy = 0; 1336 *dy = 0;
2042 1337 }
2043 } else if (map1->tile_map[0] == map2) { /* up */ 1338 else if (map1->tile_map[0] == map2)
1339 { /* up */
2044 *dx = 0; 1340 *dx = 0;
2045 *dy = -MAP_HEIGHT(map2); 1341 *dy = -map2->height;
1342 }
2046 } else if (map1->tile_map[1] == map2) { /* right */ 1343 else if (map1->tile_map[1] == map2)
2047 *dx = MAP_WIDTH(map1); 1344 { /* right */
1345 *dx = map1->width;
2048 *dy = 0; 1346 *dy = 0;
1347 }
2049 } else if (map1->tile_map[2] == map2) { /* down */ 1348 else if (map1->tile_map[2] == map2)
1349 { /* down */
2050 *dx = 0; 1350 *dx = 0;
2051 *dy = MAP_HEIGHT(map1); 1351 *dy = map1->height;
1352 }
2052 } else if (map1->tile_map[3] == map2) { /* left */ 1353 else if (map1->tile_map[3] == map2)
2053 *dx = -MAP_WIDTH(map2); 1354 { /* left */
1355 *dx = -map2->width;
2054 *dy = 0; 1356 *dy = 0;
2055 1357 }
2056 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ 1358 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
1359 { /* up right */
2057 *dx = MAP_WIDTH(map1->tile_map[0]); 1360 *dx = map1->tile_map[0]->width;
2058 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1361 *dy = -map1->tile_map[0]->height;
1362 }
2059 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ 1363 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2060 *dx = -MAP_WIDTH(map2); 1364 { /* up left */
2061 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1365 *dx = -map2->width;
1366 *dy = -map1->tile_map[0]->height;
1367 }
2062 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ 1368 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2063 *dx = MAP_WIDTH(map1); 1369 { /* right up */
2064 *dy = -MAP_HEIGHT(map2); 1370 *dx = map1->width;
1371 *dy = -map2->height;
1372 }
2065 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ 1373 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2066 *dx = MAP_WIDTH(map1); 1374 { /* right down */
2067 *dy = MAP_HEIGHT(map1->tile_map[1]); 1375 *dx = map1->width;
1376 *dy = map1->tile_map[1]->height;
1377 }
2068 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ 1378 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
1379 { /* down right */
2069 *dx = MAP_WIDTH(map1->tile_map[2]); 1380 *dx = map1->tile_map[2]->width;
2070 *dy = MAP_HEIGHT(map1); 1381 *dy = map1->height;
1382 }
2071 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ 1383 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2072 *dx = -MAP_WIDTH(map2); 1384 { /* down left */
2073 *dy = MAP_HEIGHT(map1); 1385 *dx = -map2->width;
1386 *dy = map1->height;
1387 }
2074 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ 1388 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
1389 { /* left up */
2075 *dx = -MAP_WIDTH(map1->tile_map[3]); 1390 *dx = -map1->tile_map[3]->width;
2076 *dy = -MAP_HEIGHT(map2); 1391 *dy = -map2->height;
1392 }
2077 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ 1393 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
1394 { /* left down */
2078 *dx = -MAP_WIDTH(map1->tile_map[3]); 1395 *dx = -map1->tile_map[3]->width;
2079 *dy = MAP_HEIGHT(map1->tile_map[3]); 1396 *dy = map1->tile_map[3]->height;
2080
2081 } else { /* not "adjacent" enough */
2082 return 0;
2083 } 1397 }
2084 1398 else
2085 return 1; 1399 return 0;
1400
1401 return 1;
1402}
1403
1404maptile *
1405maptile::xy_load (sint16 &x, sint16 &y)
1406{
1407 maptile *map = xy_find (x, y);
1408
1409 if (map)
1410 map->load_sync ();
1411
1412 return map;
1413}
1414
1415maptile *
1416get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1417{
1418 return m->xy_load (*x, *y);
2086} 1419}
2087 1420
2088/* From map.c 1421/* From map.c
2089 * This is used by get_player to determine where the other 1422 * This is used by get_player to determine where the other
2090 * creature is. get_rangevector takes into account map tiling, 1423 * creature is. get_rangevector takes into account map tiling,
2091 * so you just can not look the the map coordinates and get the 1424 * so you just can not look the the map coordinates and get the
2092 * righte value. distance_x/y are distance away, which 1425 * righte value. distance_x/y are distance away, which
2093 * can be negativbe. direction is the crossfire direction scheme 1426 * can be negative. direction is the crossfire direction scheme
2094 * that the creature should head. part is the part of the 1427 * that the creature should head. part is the part of the
2095 * monster that is closest. 1428 * monster that is closest.
2096 * 1429 *
2097 * get_rangevector looks at op1 and op2, and fills in the 1430 * get_rangevector looks at op1 and op2, and fills in the
2098 * structure for op1 to get to op2. 1431 * structure for op1 to get to op2.
… …
2103 * be unexpected 1436 * be unexpected
2104 * 1437 *
2105 * currently, the only flag supported (0x1) is don't translate for 1438 * currently, the only flag supported (0x1) is don't translate for
2106 * closest body part of 'op1' 1439 * closest body part of 'op1'
2107 */ 1440 */
2108 1441void
2109void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 1442get_rangevector (object *op1, object *op2, rv_vector * retval, int flags)
1443{
2110 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 1444 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1445 {
2111 /* be conservative and fill in _some_ data */ 1446 /* be conservative and fill in _some_ data */
2112 retval->distance = 100000; 1447 retval->distance = 10000;
2113 retval->distance_x = 32767; 1448 retval->distance_x = 10000;
2114 retval->distance_y = 32767; 1449 retval->distance_y = 10000;
2115 retval->direction = 0; 1450 retval->direction = 0;
2116 retval->part = 0; 1451 retval->part = 0;
2117 } else { 1452 }
1453 else
1454 {
2118 object *best; 1455 object *best;
2119 1456
2120 retval->distance_x += op2->x-op1->x; 1457 retval->distance_x += op2->x - op1->x;
2121 retval->distance_y += op2->y-op1->y; 1458 retval->distance_y += op2->y - op1->y;
2122 1459
2123 best = op1; 1460 best = op1;
2124 /* If this is multipart, find the closest part now */ 1461 /* If this is multipart, find the closest part now */
2125 if (!(flags&0x1) && op1->more) { 1462 if (!(flags & 0x1) && op1->more)
2126 object *tmp; 1463 {
2127 int best_distance = retval->distance_x*retval->distance_x+ 1464 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
2128 retval->distance_y*retval->distance_y, tmpi;
2129 1465
2130 /* we just take the offset of the piece to head to figure 1466 /* we just take the offset of the piece to head to figure
2131 * distance instead of doing all that work above again 1467 * distance instead of doing all that work above again
2132 * since the distance fields we set above are positive in the 1468 * since the distance fields we set above are positive in the
2133 * same axis as is used for multipart objects, the simply arithmetic 1469 * same axis as is used for multipart objects, the simply arithmetic
2134 * below works. 1470 * below works.
2135 */ 1471 */
2136 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 1472 for (object *tmp = op1->more; tmp; tmp = tmp->more)
1473 {
2137 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 1474 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) +
2138 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 1475 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y);
2139 if (tmpi < best_distance) { 1476 if (tmpi < best_distance)
1477 {
2140 best_distance = tmpi; 1478 best_distance = tmpi;
2141 best = tmp; 1479 best = tmp;
2142 } 1480 }
2143 } 1481 }
1482
2144 if (best != op1) { 1483 if (best != op1)
1484 {
2145 retval->distance_x += op1->x-best->x; 1485 retval->distance_x += op1->x - best->x;
2146 retval->distance_y += op1->y-best->y; 1486 retval->distance_y += op1->y - best->y;
2147 } 1487 }
2148 } 1488 }
1489
2149 retval->part = best; 1490 retval->part = best;
2150 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1491 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2151 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1492 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2152 } 1493 }
2153} 1494}
2154 1495
2155/* this is basically the same as get_rangevector above, but instead of 1496/* this is basically the same as get_rangevector above, but instead of
2156 * the first parameter being an object, it instead is the map 1497 * the first parameter being an object, it instead is the map
… …
2160 * flags has no meaning for this function at this time - I kept it in to 1501 * flags has no meaning for this function at this time - I kept it in to
2161 * be more consistant with the above function and also in case they are needed 1502 * be more consistant with the above function and also in case they are needed
2162 * for something in the future. Also, since no object is pasted, the best 1503 * for something in the future. Also, since no object is pasted, the best
2163 * field of the rv_vector is set to NULL. 1504 * field of the rv_vector is set to NULL.
2164 */ 1505 */
2165 1506void
2166void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 1507get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
1508{
2167 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 1509 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1510 {
2168 /* be conservative and fill in _some_ data */ 1511 /* be conservative and fill in _some_ data */
2169 retval->distance = 100000; 1512 retval->distance = 100000;
2170 retval->distance_x = 32767; 1513 retval->distance_x = 32767;
2171 retval->distance_y = 32767; 1514 retval->distance_y = 32767;
2172 retval->direction = 0; 1515 retval->direction = 0;
2173 retval->part = 0; 1516 retval->part = 0;
2174 } else { 1517 }
1518 else
1519 {
2175 retval->distance_x += op2->x-x; 1520 retval->distance_x += op2->x - x;
2176 retval->distance_y += op2->y-y; 1521 retval->distance_y += op2->y - y;
2177 1522
2178 retval->part = NULL; 1523 retval->part = 0;
2179 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1524 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2180 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1525 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2181 } 1526 }
2182} 1527}
2183 1528
2184/* Returns true of op1 and op2 are effectively on the same map 1529/* Returns true of op1 and op2 are effectively on the same map
2185 * (as related to map tiling). Note that this looks for a path from 1530 * (as related to map tiling). Note that this looks for a path from
2186 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1531 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2187 * to op1, this will still return false. 1532 * to op1, this will still return false.
2188 * Note we only look one map out to keep the processing simple 1533 * Note we only look one map out to keep the processing simple
2189 * and efficient. This could probably be a macro. 1534 * and efficient. This could probably be a macro.
2190 * MSW 2001-08-05 1535 * MSW 2001-08-05
2191 */ 1536 */
1537int
2192int on_same_map(const object *op1, const object *op2) { 1538on_same_map (const object *op1, const object *op2)
1539{
2193 int dx, dy; 1540 int dx, dy;
2194 1541
2195 return adjacent_map(op1->map, op2->map, &dx, &dy); 1542 return adjacent_map (op1->map, op2->map, &dx, &dy);
2196} 1543}
1544
1545//-GPL
1546
1547object *
1548maptile::insert (object *op, int x, int y, object *originator, int flags)
1549{
1550 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1551}
1552
1553region *
1554maptile::region (int x, int y) const
1555{
1556 if (regions
1557 && regionmap
1558 && !OUT_OF_REAL_MAP (this, x, y))
1559 if (struct region *reg = regionmap [regions [y * width + x]])
1560 return reg;
1561
1562 if (default_region)
1563 return default_region;
1564
1565 return ::region::default_region ();
1566}
1567
1568//+GPL
1569
1570/* picks a random object from a style map.
1571 */
1572object *
1573maptile::pick_random_object (rand_gen &gen) const
1574{
1575 /* while returning a null object will result in a crash, that
1576 * is actually preferable to an infinite loop. That is because
1577 * most servers will automatically restart in case of crash.
1578 * Change the logic on getting the random space - shouldn't make
1579 * any difference, but this seems clearer to me.
1580 */
1581 for (int i = 1000; --i;)
1582 {
1583 object *pick = at (gen (width), gen (height)).bot;
1584
1585 // do not prefer big monsters just because they are big.
1586 if (pick && pick->is_head ())
1587 return pick->head_ ();
1588 }
1589
1590 // instead of crashing in the unlikely(?) case, try to return *something*
1591 return archetype::find ("bug");
1592}
1593
1594//-GPL
1595
1596void
1597maptile::play_sound (faceidx sound, int x, int y) const
1598{
1599 if (!sound)
1600 return;
1601
1602 for_all_players_on_map (pl, this)
1603 if (client *ns = pl->ns)
1604 {
1605 int dx = x - pl->ob->x;
1606 int dy = y - pl->ob->y;
1607
1608 int distance = idistance (dx, dy);
1609
1610 if (distance <= MAX_SOUND_DISTANCE)
1611 ns->play_sound (sound, dx, dy);
1612 }
1613}
1614
1615void
1616maptile::say_msg (const char *msg, int x, int y) const
1617{
1618 for_all_players (pl)
1619 if (client *ns = pl->ns)
1620 {
1621 int dx = x - pl->ob->x;
1622 int dy = y - pl->ob->y;
1623
1624 int distance = idistance (dx, dy);
1625
1626 if (distance <= MAX_SOUND_DISTANCE)
1627 ns->send_msg (NDI_GREY | NDI_DEF, SAY_CHANNEL, msg);
1628 }
1629}
1630
1631static void
1632split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
1633{
1634 // clip to map to the left
1635 if (x0 < 0)
1636 {
1637 if (maptile *tile = m->tile_available (TILE_LEFT, 1))
1638 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
1639
1640 if (x1 < 0) // entirely to the left
1641 return;
1642
1643 x0 = 0;
1644 }
1645
1646 // clip to map to the right
1647 if (x1 > m->width)
1648 {
1649 if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
1650 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
1651
1652 if (x0 > m->width) // entirely to the right
1653 return;
1654
1655 x1 = m->width;
1656 }
1657
1658 // clip to map above
1659 if (y0 < 0)
1660 {
1661 if (maptile *tile = m->tile_available (TILE_UP, 1))
1662 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
1663
1664 if (y1 < 0) // entirely above
1665 return;
1666
1667 y0 = 0;
1668 }
1669
1670 // clip to map below
1671 if (y1 > m->height)
1672 {
1673 if (maptile *tile = m->tile_available (TILE_DOWN, 1))
1674 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
1675
1676 if (y0 > m->height) // entirely below
1677 return;
1678
1679 y1 = m->height;
1680 }
1681
1682 // if we get here, the rect is within the current map
1683 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1684
1685 r->m = m;
1686 r->x0 = x0;
1687 r->y0 = y0;
1688 r->x1 = x1;
1689 r->y1 = y1;
1690 r->dx = dx;
1691 r->dy = dy;
1692}
1693
1694maprect *
1695maptile::split_to_tiles (int x0, int y0, int x1, int y1)
1696{
1697 static dynbuf buf (sizeof (maprect) * 8, sizeof (maprect) * 8);
1698 buf.clear ();
1699
1700 ::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
1701
1702 // add end marker
1703 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1704 r->m = 0;
1705
1706 return (maprect *)buf.linearise ();
1707}
1708

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