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Comparing deliantra/server/common/map.C (file contents):
Revision 1.14 by root, Wed Aug 30 06:06:26 2006 UTC vs.
Revision 1.191 by root, Sun Apr 18 05:57:03 2010 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 1.14 2006/08/30 06:06:26 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 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 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992 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"
38#include "path.h" 28#include "path.h"
39 29
30//+GPL
40 31
41extern int nrofallocobjects,nroffreeobjects; 32sint8 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 for (i = 0; i < NROF_COMPRESS_METHODS; i++) {
179 if (uncomp[i][0])
180 strcpy(endbuf, uncomp[i][0]);
181 else
182 *endbuf = '\0';
183 if (!stat (buf, &statbuf))
184 break;
185 }
186 if (i == NROF_COMPRESS_METHODS)
187 return (-1);
188 if (!S_ISREG (statbuf.st_mode))
189 return (-1);
190
191 if (((statbuf.st_mode & S_IRGRP) && getegid() == statbuf.st_gid) ||
192 ((statbuf.st_mode & S_IRUSR) && geteuid() == statbuf.st_uid) ||
193 (statbuf.st_mode & S_IROTH))
194 mode |= 4;
195
196 if ((statbuf.st_mode & S_IWGRP && getegid() == statbuf.st_gid) ||
197 (statbuf.st_mode & S_IWUSR && geteuid() == statbuf.st_uid) ||
198 (statbuf.st_mode & S_IWOTH))
199 mode |= 2;
200
201 return (mode);
202#endif
203}
204
205/*
206 * Prints out debug-information about a map.
207 * Dumping these at llevError doesn't seem right, but is
208 * necessary to make sure the information is in fact logged.
209 */
210
211void dump_map(const mapstruct *m) {
212 LOG(llevError,"Map %s status: %d.\n",m->path,m->in_memory);
213 LOG(llevError,"Size: %dx%d Start: %d,%d\n",
214 MAP_WIDTH(m), MAP_HEIGHT(m),
215 MAP_ENTER_X(m), MAP_ENTER_Y(m));
216
217 if(m->msg!=NULL)
218 LOG(llevError,"Message:\n%s",m->msg);
219
220 if(m->maplore!=NULL)
221 LOG(llevError,"Lore:\n%s",m->maplore);
222
223 if(m->tmpname!=NULL)
224 LOG(llevError,"Tmpname: %s\n",m->tmpname);
225
226 LOG(llevError,"Difficulty: %d\n",m->difficulty);
227 LOG(llevError,"Darkness: %d\n",m->darkness);
228}
229
230/*
231 * Prints out debug-information about all maps.
232 * This basically just goes through all the maps and calls
233 * dump_map on each one.
234 */
235
236void dump_all_maps(void) {
237 mapstruct *m;
238 for(m=first_map;m!=NULL;m=m->next) {
239 dump_map(m);
240 }
241}
242 33
243/* This rolls up wall, blocks_magic, blocks_view, etc, all into 34/* This rolls up wall, blocks_magic, blocks_view, etc, all into
244 * one function that just returns a P_.. value (see map.h) 35 * one function that just returns a P_.. value (see map.h)
245 * it will also do map translation for tiled maps, returning 36 * it will also do map translation for tiled maps, returning
246 * new values into newmap, nx, and ny. Any and all of those 37 * new values into newmap, nx, and ny. Any and all of those
… …
248 * by a P_NEW_MAP value, another call to get_map_from_coord 39 * by a P_NEW_MAP value, another call to get_map_from_coord
249 * is needed. The case of not passing values is if we're just 40 * is needed. The case of not passing values is if we're just
250 * checking for the existence of something on those spaces, but 41 * checking for the existence of something on those spaces, but
251 * don't expect to insert/remove anything from those spaces. 42 * don't expect to insert/remove anything from those spaces.
252 */ 43 */
44int
253int get_map_flags(mapstruct *oldmap, mapstruct **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny) 45get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny)
254{ 46{
255 sint16 newx, newy;
256 int retval=0;
257 mapstruct *mp;
258
259 if (out_of_map(oldmap, x, y)) return P_OUT_OF_MAP;
260 newx = x; 47 sint16 newx = x;
261 newy = y; 48 sint16 newy = y;
49
262 mp = get_map_from_coord(oldmap, &newx, &newy); 50 maptile *mp = get_map_from_coord (oldmap, &newx, &newy);
263 if (mp != oldmap) 51
264 retval |= P_NEW_MAP; 52 if (!mp)
53 return P_OUT_OF_MAP;
54
265 if (newmap) *newmap = mp; 55 if (newmap) *newmap = mp;
266 if (nx) *nx = newx; 56 if (nx) *nx = newx;
267 if (ny) *ny = newy; 57 if (ny) *ny = newy;
268 retval |= mp->spaces[newx + mp->width * newy].flags;
269 58
270 if (retval & P_SAFE) 59 return mp->at (newx, newy).flags () | (mp != oldmap ? P_NEW_MAP : 0);
271 retval |= P_NO_MAGIC | P_NO_CLERIC; // P_SAFE does imply these
272
273 return retval;
274} 60}
275
276 61
277/* 62/*
278 * Returns true if the given coordinate is blocked except by the 63 * Returns true if the given coordinate is blocked except by the
279 * object passed is not blocking. This is used with 64 * object passed is not blocking. This is used with
280 * multipart monsters - if we want to see if a 2x2 monster 65 * multipart monsters - if we want to see if a 2x2 monster
… …
284 * monster. 69 * monster.
285 * m, x, y are the target map/coordinates - needed for map tiling. 70 * m, x, y are the target map/coordinates - needed for map tiling.
286 * the coordinates & map passed in should have been updated for tiling 71 * the coordinates & map passed in should have been updated for tiling
287 * by the caller. 72 * by the caller.
288 */ 73 */
289 74int
290int blocked_link(object *ob, mapstruct *m, int sx, int sy) { 75blocked_link (object *ob, maptile *m, int sx, int sy)
291 object *tmp; 76{
292 int mflags, blocked;
293
294 /* Make sure the coordinates are valid - they should be, as caller should 77 /* Make sure the coordinates are valid - they should be, as caller should
295 * have already checked this. 78 * have already checked this.
296 */ 79 */
297 if (OUT_OF_REAL_MAP(m, sx, sy)) { 80 if (OUT_OF_REAL_MAP (m, sx, sy))
81 {
298 LOG(llevError,"blocked_link: Passed map, x, y coordinates outside of map\n"); 82 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
299 return 1; 83 return 1;
300 } 84 }
301 85
302 /* Save some cycles - instead of calling get_map_flags(), just get the value 86 mapspace &ms = m->at (sx, sy);
303 * directly.
304 */
305 mflags = m->spaces[sx + m->width * sy].flags;
306 87
307 blocked = GET_MAP_MOVE_BLOCK(m, sx, sy); 88 int mflags = ms.flags ();
89 int blocked = ms.move_block;
308 90
309 /* If space is currently not blocked by anything, no need to 91 /* If space is currently not blocked by anything, no need to
310 * go further. Not true for players - all sorts of special 92 * go further. Not true for players - all sorts of special
311 * things we need to do for players. 93 * things we need to do for players.
312 */ 94 */
313 if (ob->type != PLAYER && ! (mflags & P_IS_ALIVE) && (blocked==0)) return 0; 95 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
96 return 0;
314 97
315 /* if there isn't anytyhing alive on this space, and this space isn't 98 /* if there isn't anything alive on this space, and this space isn't
316 * otherwise blocked, we can return now. Only if there is a living 99 * otherwise blocked, we can return now. Only if there is a living
317 * creature do we need to investigate if it is part of this creature 100 * creature do we need to investigate if it is part of this creature
318 * or another. Likewise, only if something is blocking us do we 101 * or another. Likewise, only if something is blocking us do we
319 * need to investigate if there is a special circumstance that would 102 * need to investigate if there is a special circumstance that would
320 * let the player through (inventory checkers for example) 103 * let the player through (inventory checkers for example)
321 */ 104 */
322 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK(ob, blocked)) return 0; 105 if (!(mflags & P_IS_ALIVE) && !OB_TYPE_MOVE_BLOCK (ob, blocked))
106 return 0;
323 107
324 if(ob->head != NULL) 108 ob = ob->head_ ();
325 ob=ob->head;
326 109
327 /* We basically go through the stack of objects, and if there is 110 /* We basically go through the stack of objects, and if there is
328 * some other object that has NO_PASS or FLAG_ALIVE set, return 111 * some other object that has NO_PASS or FLAG_ALIVE set, return
329 * true. If we get through the entire stack, that must mean 112 * true. If we get through the entire stack, that must mean
330 * ob is blocking it, so return 0. 113 * ob is blocking it, so return 0.
331 */ 114 */
332 for(tmp = GET_MAP_OB(m,sx,sy); tmp!= NULL; tmp = tmp->above) { 115 for (object *tmp = ms.top; tmp; tmp = tmp->below)
116 {
117 if (OB_MOVE_BLOCK (ob, tmp))
118 {
119 if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
120 if (RESULT_INT (0))
121 return 1;
122 else
123 continue;
333 124
334 /* This must be before the checks below. Code for inventory checkers. */ 125 if (tmp->type == CHECK_INV)
335 if (tmp->type==CHECK_INV && OB_MOVE_BLOCK(ob, tmp)) {
336 /* If last_sp is set, the player/monster needs an object,
337 * so we check for it. If they don't have it, they can't
338 * pass through this space.
339 */ 126 {
340 if (tmp->last_sp) { 127 bool have = check_inv_recursive (ob, tmp);
341 if (check_inv_recursive(ob,tmp)==NULL) 128
129 // last_sp set means we block if we don't have.
130 if (logical_xor (have, tmp->last_sp))
342 return 1; 131 return 1;
343 else
344 continue;
345 } else {
346 /* In this case, the player must not have the object -
347 * if they do, they can't pass through.
348 */
349 if (check_inv_recursive(ob,tmp)!=NULL) /* player has object */
350 return 1;
351 else
352 continue;
353 } 132 }
354 } /* if check_inv */ 133 else if (tmp->type == T_MATCH)
134 {
135 // T_MATCH allows "entrance" iff the match is true
136 // == blocks if the match fails
137
138 // we could have used an INVOKE_OBJECT, but decided against it, as we
139 // assume that T_MATCH is relatively common.
140 if (!match (tmp->slaying, ob, tmp, ob))
141 return 1;
142 }
143 else
144 return 1; // unconditional block
145
355 else { 146 } else {
356 /* Broke apart a big nasty if into several here to make 147 // space does not block the ob, directly, but
357 * this more readable. first check - if the space blocks 148 // anything alive that is not a door still
358 * movement, can't move here. 149 // blocks anything
359 * second - if a monster, can't move there, unles it is a 150
360 * hidden dm 151 if (tmp->flag [FLAG_ALIVE]
361 */ 152 && tmp->type != DOOR
362 if (OB_MOVE_BLOCK(ob, tmp)) return 1; 153 && tmp->head_ () != ob) //TODO: maybe move these check up?
363 if (QUERY_FLAG(tmp,FLAG_ALIVE) && tmp->head != ob && tmp != ob &&
364 tmp->type != DOOR && !(QUERY_FLAG(tmp,FLAG_WIZ) && tmp->contr->hidden))
365 return 1; 154 return 1;
366 } 155 }
367
368 } 156 }
157
369 return 0; 158 return 0;
370} 159}
371
372 160
373/* 161/*
374 * Returns true if the given object can't fit in the given spot. 162 * Returns the blocking object if the given object can't fit in the given
375 * This is meant for multi space objects - for single space objecs, 163 * spot. This is meant for multi space objects - for single space objecs,
376 * just calling get_map_blocked and checking that against movement type 164 * just calling get_map_blocked and checking that against movement type
377 * of object. This function goes through all the parts of the 165 * of object. This function goes through all the parts of the multipart
378 * multipart object and makes sure they can be inserted. 166 * object and makes sure they can be inserted.
379 * 167 *
380 * While this doesn't call out of map, the get_map_flags does. 168 * While this doesn't call out of map, the get_map_flags does.
381 * 169 *
382 * This function has been used to deprecate arch_out_of_map - 170 * This function has been used to deprecate arch_out_of_map -
383 * this function also does that check, and since in most cases, 171 * this function also does that check, and since in most cases,
… …
394 * 182 *
395 * Note this used to be arch_blocked, but with new movement 183 * Note this used to be arch_blocked, but with new movement
396 * code, we need to have actual object to check its move_type 184 * code, we need to have actual object to check its move_type
397 * against the move_block values. 185 * against the move_block values.
398 */ 186 */
399 187bool
400int ob_blocked(const object *ob,mapstruct *m,sint16 x,sint16 y) { 188object::blocked (maptile *m, int x, int y) const
401 archetype *tmp; 189{
402 int flag; 190 for (archetype *tmp = arch; tmp; tmp = (archetype *)tmp->more)
403 mapstruct *m1;
404 sint16 sx, sy;
405
406 if(ob==NULL) {
407 flag= get_map_flags(m,&m1, x,y, &sx, &sy);
408 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP;
409
410 /* don't have object, so don't know what types would block */
411 return(GET_MAP_MOVE_BLOCK(m1, sx, sy));
412 } 191 {
192 mapxy pos (m, x + tmp->x, y + tmp->y);
413 193
414 for(tmp=ob->arch; tmp!=NULL;tmp=tmp->more) { 194 if (!pos.normalise ())
415 flag = get_map_flags(m, &m1, x+tmp->clone.x,y+tmp->clone.y, &sx, &sy); 195 return 1;
416 196
417 if (flag & P_OUT_OF_MAP) return P_OUT_OF_MAP; 197 mapspace &ms = *pos;
418 if (flag & P_IS_ALIVE) return P_IS_ALIVE;
419 198
420 /* find_first_free_spot() calls this function. However, often 199 if (ms.flags () & P_IS_ALIVE)
421 * ob doesn't have any move type (when used to place exits) 200 return 1;
201
202 /* However, often ob doesn't have any move type
203 * (signifying non-moving objects)
422 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work. 204 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
423 */ 205 */
206 if (!move_type && ms.move_block != MOVE_ALL)
207 continue;
424 208
425 if (ob->move_type == 0 && GET_MAP_MOVE_BLOCK(m1, sx, sy) != MOVE_ALL) continue;
426
427 /* Note it is intentional that we check ob - the movement type of the 209 /* Note it is intentional that we check ob - the movement type of the
428 * head of the object should correspond for the entire object. 210 * head of the object should correspond for the entire object.
429 */ 211 */
430 if (OB_TYPE_MOVE_BLOCK(ob, GET_MAP_MOVE_BLOCK(m1, sx, sy))) 212 if (ms.blocks (move_type))
431 return AB_NO_PASS; 213 return 1;
432
433 } 214 }
215
434 return 0; 216 return 0;
435} 217}
436 218
437/* When the map is loaded, load_object does not actually insert objects 219//-GPL
438 * into inventory, but just links them. What this does is go through
439 * and insert them properly.
440 * The object 'container' is the object that contains the inventory.
441 * This is needed so that we can update the containers weight.
442 */
443 220
444void fix_container(object *container) 221void
222maptile::set_object_flag (int flag, int value)
445{ 223{
446 object *tmp=container->inv, *next; 224 if (!spaces)
225 return;
447 226
448 container->inv=NULL; 227 for (mapspace *ms = spaces + size (); ms-- > spaces; )
449 while (tmp!=NULL) { 228 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
450 next = tmp->below; 229 tmp->flag [flag] = value;
451 if (tmp->inv)
452 fix_container(tmp);
453 (void) insert_ob_in_ob(tmp,container);
454 tmp = next;
455 }
456 /* sum_weight will go through and calculate what all the containers are
457 * carrying.
458 */
459 sum_weight(container);
460} 230}
231
232void
233maptile::post_load_original ()
234{
235 if (!spaces)
236 return;
237
238 set_object_flag (FLAG_OBJ_ORIGINAL);
239
240 for (mapspace *ms = spaces + size (); ms-- > spaces; )
241 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
242 INVOKE_OBJECT (RESET, tmp);
243}
244
245void
246maptile::post_load ()
247{
248#if 0
249 if (!spaces)
250 return;
251
252 for (mapspace *ms = spaces + size (); ms-- > spaces; )
253 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
254 ; // nop
255#endif
256}
257
258//+GPL
461 259
462/* link_multipart_objects go through all the objects on the map looking 260/* link_multipart_objects go through all the objects on the map looking
463 * for objects whose arch says they are multipart yet according to the 261 * for objects whose arch says they are multipart yet according to the
464 * info we have, they only have the head (as would be expected when 262 * info we have, they only have the head (as would be expected when
465 * they are saved). We do have to look for the old maps that did save 263 * they are saved).
466 * the more sections and not re-add sections for them.
467 */ 264 */
468 265void
469static void link_multipart_objects(mapstruct *m) 266maptile::link_multipart_objects ()
470{ 267{
471 int x,y; 268 if (!spaces)
472 object *tmp, *op, *last, *above; 269 return;
473 archetype *at;
474 270
475 for(x=0;x<MAP_WIDTH(m);x++) 271 for (mapspace *ms = spaces + size (); ms-- > spaces; )
476 for(y=0;y<MAP_HEIGHT(m);y++) 272 {
477 for(tmp=get_map_ob(m,x,y);tmp!=NULL;tmp=above) { 273 object *op = ms->bot;
478 above=tmp->above; 274 while (op)
479 275 {
480 /* already multipart - don't do anything more */ 276 /* already multipart - don't do anything more */
481 if (tmp->head || tmp->more) continue; 277 if (op->head_ () == op && !op->more && op->arch->more)
482
483 /* If there is nothing more to this object, this for loop
484 * won't do anything.
485 */
486 for (at = tmp->arch->more, last=tmp; at != NULL; at=at->more, last=op) {
487 op = arch_to_object(at);
488
489 /* update x,y coordinates */
490 op->x += tmp->x;
491 op->y += tmp->y;
492 op->head = tmp;
493 op->map = m;
494 last->more = op;
495 if (tmp->name != op->name) {
496 if (op->name) free_string(op->name);
497 op->name = add_string(tmp->name);
498 }
499 if (tmp->title != op->title) {
500 if (op->title) free_string(op->title);
501 op->title = add_string(tmp->title);
502 }
503 /* we could link all the parts onto tmp, and then just
504 * call insert_ob_in_map once, but the effect is the same,
505 * as insert_ob_in_map will call itself with each part, and
506 * the coding is simpler to just to it here with each part.
507 */
508 insert_ob_in_map(op, op->map, tmp,INS_NO_MERGE|INS_ABOVE_FLOOR_ONLY|INS_NO_WALK_ON);
509 } /* for at = tmp->arch->more */
510 } /* for objects on this space */
511}
512
513 278 {
279 op->remove ();
280 op->expand_tail ();
281
282 // FIXME: INS_ON_TOP is just a workaround for the pentagram vs.
283 // multi-tile monster bug, where INS_ABOVE_FLOOR_ONLY put the monsters
284 // below the pentagrams... hopefully INS_ON_TOP doesn't break anything
285 insert (op, op->x, op->y, 0, INS_NO_MERGE | INS_ON_TOP | INS_NO_WALK_ON);
286
287 op = ms->bot; // we are mutating the mapspace too much with INS_ON_TOP
288 // so we have to reset the iteration through the mapspace
289 }
290 else
291 op = op->above;
292 }
293 }
294}
295
296//-GPL
514 297
515/* 298/*
516 * Loads (ands parses) the objects into a given map from the specified 299 * Loads (ands parses) the objects into a given map from the specified
517 * file pointer. 300 * file pointer.
518 * mapflags is the same as we get with load_original_map
519 */ 301 */
302bool
303maptile::_load_objects (object_thawer &f)
304{
305 for (;;)
306 {
307 coroapi::cede_to_tick (); // cede once in a while
520 308
521void load_objects (mapstruct *m, object_thawer &fp, int mapflags) { 309 switch (f.kw)
522 int i,j,bufstate=LO_NEWFILE;
523 int unique;
524 object *op, *prev=NULL,*last_more=NULL, *otmp;
525
526 op=get_object();
527 op->map = m; /* To handle buttons correctly */
528
529 while((i = load_object (fp, op, bufstate, mapflags))) {
530 /* Since the loading of the map header does not load an object
531 * anymore, we need to pass LO_NEWFILE for the first object loaded,
532 * and then switch to LO_REPEAT for faster loading.
533 */ 310 {
534 bufstate = LO_REPEAT; 311 case KW_arch:
312 if (object *op = object::read (f, this))
313 {
314 // TODO: why?
315 if (op->inv)
316 op->update_weight ();
535 317
536 /* if the archetype for the object is null, means that we 318 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
537 * got an invalid object. Don't do anything with it - the game 319 {
538 * or editor will not be able to do anything with it either. 320 // we insert manually because
539 */ 321 // a) its way faster
540 if (op->arch==NULL) { 322 // b) we remove manually, too, and there are good reasons for that
541 LOG(llevDebug,"Discarding object without arch: %s\n", op->name?op->name:"(null)"); 323 // c) it's correct
324 mapspace &ms = at (op->x, op->y);
325
326 op->flag [FLAG_REMOVED] = false;
327
328 op->above = 0;
329 op->below = ms.top;
330
331 *(ms.top ? &ms.top->above : &ms.bot) = op;
332
333 ms.top = op;
334 ms.flags_ = 0;
335 }
336 else
337 {
338 f.parse_warn (format ("object %s out of range", op->debug_desc ()));
339 op->destroy ();
340 }
341 }
342
542 continue; 343 continue;
543 }
544 344
545
546 switch(i) {
547 case LL_NORMAL:
548 /* if we are loading an overlay, put the floors on the bottom */
549 if ((QUERY_FLAG(op, FLAG_IS_FLOOR) ||
550 QUERY_FLAG(op, FLAG_OVERLAY_FLOOR)) && mapflags & MAP_OVERLAY)
551 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY | INS_MAP_LOAD);
552 else
553 insert_ob_in_map(op,m,op,INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD);
554
555 if (op->inv)
556 sum_weight(op);
557
558 prev=op,last_more=op;
559 break;
560
561 case LL_MORE: 345 case KW_EOF:
562 insert_ob_in_map(op,m, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); 346 return true;
563 op->head=prev,last_more->more=op,last_more=op; 347
348 default:
349 if (!f.parse_error ("map file"))
350 return false;
564 break; 351 break;
565 } 352 }
566 if (mapflags & MAP_STYLE) { 353
567 remove_from_active_list(op); 354 f.next ();
355 }
356
357 return true;
358}
359
360void
361maptile::activate ()
362{
363 if (spaces)
364 for (mapspace *ms = spaces + size (); ms-- > spaces; )
365 for (object *op = ms->bot; op; op = op->above)
366 op->activate_recursive ();
367}
368
369void
370maptile::deactivate ()
371{
372 if (spaces)
373 for (mapspace *ms = spaces + size (); ms-- > spaces; )
374 for (object *op = ms->bot; op; op = op->above)
375 op->deactivate_recursive ();
376}
377
378bool
379maptile::_save_objects (object_freezer &f, int flags)
380{
381 coroapi::cede_to_tick ();
382
383 if (flags & IO_HEADER)
384 _save_header (f);
385
386 if (!spaces)
387 return false;
388
389 for (int i = 0; i < size (); ++i)
390 {
391 bool unique = 0;
392
393 for (object *op = spaces [i].bot; op; op = op->above)
394 {
395 unique |= op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR];
396
397 if (expect_false (!op->can_map_save ()))
398 continue;
399
400 if (expect_false (unique || op->flag [FLAG_UNIQUE]))
401 {
402 if (flags & IO_UNIQUES)
403 op->write (f);
404 }
405 else if (expect_true (flags & IO_OBJECTS))
406 op->write (f);
568 } 407 }
569 op=get_object();
570 op->map = m;
571 } 408 }
572 for (i=0;i<m->width;i++){
573 for (j=0;j<m->height;j++){
574 unique =0;
575 /* check for unique items, or unique squares */
576 for (otmp = get_map_ob(m, i, j); otmp; otmp = otmp->above) {
577 if (QUERY_FLAG(otmp, FLAG_UNIQUE) || QUERY_FLAG(otmp, FLAG_OBJ_SAVE_ON_OVL))
578 unique = 1;
579 if (!(mapflags & (MAP_OVERLAY|MAP_PLAYER_UNIQUE) || unique))
580 SET_FLAG(otmp, FLAG_OBJ_ORIGINAL);
581 }
582 }
583 }
584 free_object(op);
585 link_multipart_objects(m);
586}
587 409
588/* This saves all the objects on the map in a non destructive fashion. 410 coroapi::cede_to_tick ();
589 * Modified by MSW 2001-07-01 to do in a single pass - reduces code, 411
590 * and we only save the head of multi part objects - this is needed 412 return true;
591 * in order to do map tiling properly. 413}
414
415bool
416maptile::_save_objects (const char *path, int flags)
417{
418 object_freezer freezer;
419
420 if (!_save_objects (freezer, flags))
421 return false;
422
423 return freezer.save (path);
424}
425
426void
427maptile::init ()
428{
429 in_memory = MAP_SWAPPED;
430
431 /* The maps used to pick up default x and y values from the
432 * map archetype. Mimic that behaviour.
592 */ 433 */
593void save_objects (mapstruct *m, object_freezer &fp, object_freezer &fp2, int flag) { 434 width = 16;
594 int i, j = 0,unique=0; 435 height = 16;
595 object *op; 436 timeout = 300;
596 /* first pass - save one-part objects */ 437 max_items = MAX_ITEM_PER_ACTION;
597 for(i = 0; i < MAP_WIDTH(m); i++) 438 max_volume = 2000000; // 2m³
598 for (j = 0; j < MAP_HEIGHT(m); j++) { 439 reset_timeout = 0;
599 unique=0; 440 enter_x = 0;
600 for(op = get_map_ob (m, i, j); op; op = op->above) { 441 enter_y = 0;
601 if (QUERY_FLAG(op,FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 442}
602 unique=1;
603 443
604 if(op->type == PLAYER) { 444maptile::maptile ()
605 LOG(llevDebug, "Player on map that is being saved\n"); 445{
606 continue; 446 init ();
607 } 447}
608 448
609 if (op->head || op->owner) 449maptile::maptile (int w, int h)
610 continue; 450{
451 init ();
611 452
612 if (unique || QUERY_FLAG(op, FLAG_UNIQUE)) 453 width = w;
613 save_object (fp2, op, 3); 454 height = h;
614 else
615 if (flag == 0 ||
616 (flag == 2 && (!QUERY_FLAG(op, FLAG_OBJ_ORIGINAL) &&
617 !QUERY_FLAG(op, FLAG_UNPAID))))
618 save_object(fp, op, 3);
619 455
620 } /* for this space */ 456 alloc ();
621 } /* for this j */
622} 457}
623 458
624/* 459/*
625 * Allocates, initialises, and returns a pointer to a mapstruct.
626 * Modified to no longer take a path option which was not being
627 * used anyways. MSW 2001-07-01
628 */
629
630mapstruct *get_linked_map(void) {
631 mapstruct *map=(mapstruct *) calloc(1,sizeof(mapstruct));
632 mapstruct *mp;
633
634 if(map==NULL)
635 fatal(OUT_OF_MEMORY);
636
637 for(mp=first_map;mp!=NULL&&mp->next!=NULL;mp=mp->next);
638 if(mp==NULL)
639 first_map=map;
640 else
641 mp->next=map;
642
643 map->in_memory=MAP_SWAPPED;
644 /* The maps used to pick up default x and y values from the
645 * map archetype. Mimic that behaviour.
646 */
647 MAP_WIDTH(map)=16;
648 MAP_HEIGHT(map)=16;
649 MAP_RESET_TIMEOUT(map)=0;
650 MAP_TIMEOUT(map)=300;
651 MAP_ENTER_X(map)=0;
652 MAP_ENTER_Y(map)=0;
653 /*set part to -1 indicating conversion to weather map not yet done*/
654 MAP_WORLDPARTX(map)=-1;
655 MAP_WORLDPARTY(map)=-1;
656 return map;
657}
658
659/*
660 * Allocates the arrays contained in a mapstruct. 460 * Allocates the arrays contained in a maptile.
661 * This basically allocates the dynamic array of spaces for the 461 * This basically allocates the dynamic array of spaces for the
662 * map. 462 * map.
663 */ 463 */
664 464void
665void allocate_map(mapstruct *m) { 465maptile::alloc ()
666 m->in_memory = MAP_IN_MEMORY; 466{
667 /* Log this condition and free the storage. We could I suppose
668 * realloc, but if the caller is presuming the data will be intact,
669 * that is their poor assumption.
670 */
671 if (m->spaces) { 467 if (spaces)
672 LOG(llevError,"allocate_map called with already allocated map (%s)\n", m->path);
673 free(m->spaces);
674 }
675
676 m->spaces = (MapSpace *) calloc(1, MAP_WIDTH(m) * MAP_HEIGHT(m) * sizeof(MapSpace));
677
678 if(m->spaces==NULL)
679 fatal(OUT_OF_MEMORY);
680}
681
682/* Create and returns a map of the specific size. Used
683 * in random map code and the editor.
684 */
685mapstruct *get_empty_map(int sizex, int sizey) {
686 mapstruct *m = get_linked_map();
687 m->width = sizex;
688 m->height = sizey;
689 m->in_memory = MAP_SWAPPED;
690 allocate_map(m);
691 return m; 468 return;
469
470 spaces = salloc0<mapspace> (size ());
692} 471}
472
473//+GPL
693 474
694/* Takes a string from a map definition and outputs a pointer to the array of shopitems 475/* Takes a string from a map definition and outputs a pointer to the array of shopitems
695 * corresponding to that string. Memory is allocated for this, it must be freed 476 * corresponding to that string. Memory is allocated for this, it must be freed
696 * at a later date. 477 * at a later date.
697 * Called by parse_map_headers below. 478 * Called by parse_map_headers below.
698 */ 479 */
699 480static shopitems *
700static shopitems *parse_shop_string (const char *input_string) { 481parse_shop_string (const char *input_string)
482{
701 char *shop_string, *p, *q, *next_semicolon, *next_colon; 483 char *shop_string, *p, *q, *next_semicolon, *next_colon;
702 shopitems *items=NULL; 484 shopitems *items = NULL;
703 int i=0, number_of_entries=0; 485 int i = 0, number_of_entries = 0;
704 const typedata *current_type; 486 const typedata *current_type;
705 487
706 shop_string=strdup_local(input_string); 488 shop_string = strdup (input_string);
707 p=shop_string; 489 p = shop_string;
708 /* first we'll count the entries, we'll need that for allocating the array shortly */ 490 /* first we'll count the entries, we'll need that for allocating the array shortly */
709 while (p) { 491 while (p)
492 {
710 p=strchr(p, ';'); 493 p = strchr (p, ';');
711 number_of_entries++; 494 number_of_entries++;
712 if (p) p++; 495 if (p)
496 p++;
713 } 497 }
498
714 p=shop_string; 499 p = shop_string;
715 strip_endline(p); 500 strip_endline (p);
716 items=(shopitems *) CALLOC(number_of_entries+1, sizeof(shopitems)); 501 items = new shopitems[number_of_entries + 1];
717 memset(items, 0, (sizeof(shopitems) * number_of_entries+1));
718 for (i=0; i<number_of_entries; i++) { 502 for (i = 0; i < number_of_entries; i++)
503 {
719 if (!p) { 504 if (!p)
505 {
720 LOG(llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n"); 506 LOG (llevError, "parse_shop_string: I seem to have run out of string, that shouldn't happen.\n");
721 break; 507 break;
722 } 508 }
509
723 next_semicolon=strchr(p, ';'); 510 next_semicolon = strchr (p, ';');
724 next_colon=strchr(p, ':'); 511 next_colon = strchr (p, ':');
725 /* if there is a stregth specified, figure out what it is, we'll need it soon. */ 512 /* if there is a stregth specified, figure out what it is, we'll need it soon. */
726 if (next_colon &&( !next_semicolon || next_colon<next_semicolon)) 513 if (next_colon && (!next_semicolon || next_colon < next_semicolon))
727 items[i].strength=atoi(strchr(p,':')+1); 514 items[i].strength = atoi (strchr (p, ':') + 1);
515
516 if (isdigit (*p) || *p == '*')
728 517 {
729 if (isdigit(*p) || *p=='*') {
730 items[i].typenum = atoi(p); /* atoi returns 0 when we have an asterisk */ 518 items[i].typenum = atoi (p); /* atoi returns 0 when we have an asterisk */
731 current_type=get_typedata(items[i].typenum); 519 current_type = get_typedata (items[i].typenum);
732 if (current_type) { 520 if (current_type)
521 {
733 items[i].name=current_type->name; 522 items[i].name = current_type->name;
734 items[i].name_pl=current_type->name_pl; 523 items[i].name_pl = current_type->name_pl;
735 }
736 }
737 else { /*we have a named type, let's figure out what it is */
738 q=strpbrk(p,";:");
739 if (q) *q='\0';
740
741 current_type=get_typedata_by_name(p);
742 if (current_type) {
743 items[i].name=current_type->name;
744 items[i].typenum=current_type->number;
745 items[i].name_pl=current_type->name_pl;
746 }
747 else { /* oh uh, something's wrong, let's free up this one, and try
748 * the next entry while we're at it, better print a warning
749 */
750 LOG(llevError, "invalid type %s defined in shopitems in string %s\n",
751 p, input_string);
752 } 524 }
753 } 525 }
526 else
527 { /*we have a named type, let's figure out what it is */
528 q = strpbrk (p, ";:");
529 if (q)
530 *q = '\0';
531
532 current_type = get_typedata_by_name (p);
533 if (current_type)
534 {
535 items[i].name = current_type->name;
536 items[i].typenum = current_type->number;
537 items[i].name_pl = current_type->name_pl;
538 }
539 else
540 { /* oh uh, something's wrong, let's free up this one, and try
541 * the next entry while we're at it, better print a warning
542 */
543 LOG (llevError, "invalid type %s defined in shopitems in string %s\n", p, input_string);
544 }
545 }
546
754 items[i].index=number_of_entries; 547 items[i].index = number_of_entries;
755 if (next_semicolon) p=++next_semicolon; 548 if (next_semicolon)
549 p = ++next_semicolon;
550 else
756 else p=NULL; 551 p = NULL;
757 } 552 }
553
758 free(shop_string); 554 free (shop_string);
759 return items; 555 return items;
760} 556}
761 557
762/* opposite of parse string, this puts the string that was originally fed in to 558/* opposite of parse string, this puts the string that was originally fed in to
763 * the map (or something equivilent) into output_string. */ 559 * the map (or something equivilent) into output_string. */
764static void print_shop_string(mapstruct *m, char *output_string) { 560static const char *
765 int i; 561print_shop_string (maptile *m)
766 char tmp[MAX_BUF]; 562{
767 strcpy(output_string, ""); 563 static dynbuf_text buf; buf.clear ();
564
768 for (i=0; i< m->shopitems[0].index; i++) { 565 for (int i = 0; i < m->shopitems[0].index; i++)
566 {
769 if (m->shopitems[i].typenum) { 567 if (m->shopitems[i].typenum)
568 {
770 if (m->shopitems[i].strength) { 569 if (m->shopitems[i].strength)
771 sprintf(tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 570 buf.printf ("%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
772 } 571 else
773 else sprintf(tmp, "%s;", m->shopitems[i].name); 572 buf.printf ("%s;", m->shopitems[i].name);
774 } 573 }
775 else { 574 else
575 {
776 if (m->shopitems[i].strength) { 576 if (m->shopitems[i].strength)
777 sprintf(tmp, "*:%d;", m->shopitems[i].strength); 577 buf.printf ("*:%d;", m->shopitems[i].strength);
778 } 578 else
779 else sprintf(tmp, "*"); 579 buf.printf ("*");
780 } 580 }
781 strcat(output_string, tmp);
782 } 581 }
582
583 return buf;
783} 584}
585
586//-GPL
784 587
785/* This loads the header information of the map. The header 588/* This loads the header information of the map. The header
786 * contains things like difficulty, size, timeout, etc. 589 * contains things like difficulty, size, timeout, etc.
787 * this used to be stored in the map object, but with the 590 * this used to be stored in the map object, but with the
788 * addition of tiling, fields beyond that easily named in an 591 * addition of tiling, fields beyond that easily named in an
… …
790 * put all the stuff in the map object so that names actually make 593 * put all the stuff in the map object so that names actually make
791 * sense. 594 * sense.
792 * This could be done in lex (like the object loader), but I think 595 * This could be done in lex (like the object loader), but I think
793 * currently, there are few enough fields this is not a big deal. 596 * currently, there are few enough fields this is not a big deal.
794 * MSW 2001-07-01 597 * MSW 2001-07-01
795 * return 0 on success, 1 on failure.
796 */ 598 */
797 599bool
798static int load_map_header(object_thawer &fp, mapstruct *m) 600maptile::_load_header (object_thawer &thawer)
799{ 601{
800 char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key=NULL, *value, *end; 602 for (;;)
801 int msgpos=0; 603 {
802 int maplorepos=0; 604 switch (thawer.kw)
803
804 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
805 buf[HUGE_BUF-1] = 0;
806 key = buf;
807 while (isspace(*key)) key++;
808 if (*key == 0) continue; /* empty line */
809 value = strchr(key, ' ');
810 if (!value) {
811 end = strchr(key, '\n');
812 if (end != NULL) {
813 *end = 0;
814 }
815 } else {
816 *value = 0;
817 value++;
818 end = strchr(value, '\n');
819 while (isspace(*value)) {
820 value++;
821 if (*value == '\0' || value == end) {
822 /* Nothing but spaces. */
823 value = NULL;
824 break;
825 }
826 }
827 } 605 {
828 if (!end) { 606 case KW_msg:
829 LOG(llevError, "Error loading map header - did not find a newline - perhaps file is truncated? Buf=%s\n", 607 thawer.get_ml (KW_endmsg, msg);
830 buf); 608 break;
609
610 case KW_lore: // CF+ extension
611 thawer.get_ml (KW_endlore, maplore);
612 break;
613
614 case KW_maplore:
615 thawer.get_ml (KW_endmaplore, maplore);
616 break;
617
618 case KW_arch:
619 if (strcmp (thawer.get_str (), "map"))
620 LOG (llevError, "%s: loading map and got a non 'arch map' line (arch %s), skipping.\n", &path, thawer.get_str ());
621 break;
622
623 case KW_oid:
624 thawer.get (this, thawer.get_sint32 ());
625 break;
626
627 case KW_file_format_version: break; // nop
628
629 case KW_name: thawer.get (name); break;
630 case KW_attach: thawer.get (attach); break;
631 case KW_reset_time: thawer.get (reset_time); break;
632 case KW_shopgreed: thawer.get (shopgreed); break;
633 case KW_shopmin: thawer.get (shopmin); break;
634 case KW_shopmax: thawer.get (shopmax); break;
635 case KW_shoprace: thawer.get (shoprace); break;
636 case KW_outdoor: thawer.get (outdoor); break;
637
638 case KW_per_player: thawer.get (per_player); break;
639 case KW_per_party: thawer.get (per_party); break;
640 case KW_no_reset: thawer.get (no_reset); break;
641 case KW_no_drop: thawer.get (no_drop); break;
642
643 case KW_region: default_region = region::find (thawer.get_str ()); break;
644 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
645
646 // old names new names
647 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
648 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
649 case KW_x: case KW_width: thawer.get (width); break;
650 case KW_y: case KW_height: thawer.get (height); break;
651 case KW_weight: case KW_reset_timeout: thawer.get (reset_timeout); break;
652 case KW_value: case KW_swap_time: thawer.get (timeout); break;
653 case KW_level: case KW_difficulty: thawer.get (difficulty); difficulty = clamp (difficulty, 1, settings.max_level); break;
654 case KW_invisible: case KW_darkness: thawer.get (darkness); break;
655 case KW_stand_still: case KW_fixed_resettime: thawer.get (fixed_resettime); break;
656
657 case KW_tile_path_1: thawer.get (tile_path [0]); break;
658 case KW_tile_path_2: thawer.get (tile_path [1]); break;
659 case KW_tile_path_3: thawer.get (tile_path [2]); break;
660 case KW_tile_path_4: thawer.get (tile_path [3]); break;
661
662 case KW_ERROR:
663 set_key_text (thawer.kw_str, thawer.value);
664 break;
665
666 case KW_end:
667 thawer.next ();
831 return 1; 668 return true;
832 }
833
834 669
835 /* key is the field name, value is what it should be set 670 default:
836 * to. We've already done the work to null terminate key, 671 if (!thawer.parse_error ("map"))
837 * and strip off any leading spaces for both of these. 672 return false;
838 * We have not touched the newline at the end of the line -
839 * these are needed for some values. the end pointer
840 * points to the first of the newlines.
841 * value could be NULL! It would be easy enough to just point
842 * this to "" to prevent cores, but that would let more errors slide
843 * through.
844 *
845 * First check for entries that do not use the value parameter, then
846 * validate that value is given and check for the remaining entries
847 * that use the parameter.
848 */
849
850 if (!strcmp(key,"msg")) {
851 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
852 if (!strcmp(buf,"endmsg\n")) break;
853 else {
854 /* slightly more efficient than strcat */
855 strcpy(msgbuf+msgpos, buf);
856 msgpos += strlen(buf);
857 }
858 }
859 /* There are lots of maps that have empty messages (eg, msg/endmsg
860 * with nothing between). There is no reason in those cases to
861 * keep the empty message. Also, msgbuf contains garbage data
862 * when msgpos is zero, so copying it results in crashes
863 */
864 if (msgpos != 0)
865 m->msg = strdup_local(msgbuf);
866 }
867 else if (!strcmp(key,"maplore")) {
868 while (fgets(buf, HUGE_BUF-1, fp)!=NULL) {
869 if (!strcmp(buf,"endmaplore\n")) break;
870 else {
871 /* slightly more efficient than strcat */
872 strcpy(maplorebuf+maplorepos, buf);
873 maplorepos += strlen(buf);
874 }
875 }
876 if (maplorepos != 0)
877 m->maplore = strdup_local(maplorebuf);
878 }
879 else if (!strcmp(key,"end")) {
880 break; 673 break;
881 } 674 }
882 else if (value == NULL) {
883 LOG(llevError, "Got '%s' line without parameter in map header\n", key);
884 }
885 else if (!strcmp(key, "arch")) {
886 /* This is an oddity, but not something we care about much. */
887 if (strcmp(value,"map\n"))
888 LOG(llevError,"loading map and got a non 'arch map' line(%s %s)?\n",key,value);
889 }
890 else if (!strcmp(key,"name")) {
891 *end=0;
892 m->name = strdup_local(value);
893 }
894 /* first strcmp value on these are old names supported
895 * for compatibility reasons. The new values (second) are
896 * what really should be used.
897 */
898 else if (!strcmp(key,"oid")) {
899 fp.get (m, atoi(value));
900 } else if (!strcmp(key, "attach")) {
901 m->attach = add_string (value);
902 } else if (!strcmp(key,"hp") || !strcmp(key, "enter_x")) {
903 m->enter_x = atoi(value);
904 } else if (!strcmp(key,"sp") || !strcmp(key, "enter_y")) {
905 m->enter_y = atoi(value);
906 } else if (!strcmp(key,"x") || !strcmp(key, "width")) {
907 m->width = atoi(value);
908 } else if (!strcmp(key,"y") || !strcmp(key, "height")) {
909 m->height = atoi(value);
910 } else if (!strcmp(key,"weight") || !strcmp(key, "reset_timeout")) {
911 m->reset_timeout = atoi(value);
912 } else if (!strcmp(key,"value") || !strcmp(key, "swap_time")) {
913 m->timeout = atoi(value);
914 } else if (!strcmp(key,"level") || !strcmp(key, "difficulty")) {
915 m->difficulty = atoi(value);
916 } else if (!strcmp(key,"invisible") || !strcmp(key, "darkness")) {
917 m->darkness = atoi(value);
918 } else if (!strcmp(key,"stand_still") || !strcmp(key, "fixed_resettime")) {
919 m->fixed_resettime = atoi(value);
920 } else if (!strcmp(key,"unique")) {
921 m->unique = atoi(value);
922 } else if (!strcmp(key,"template")) {
923 m->templatemap = atoi(value);
924 } else if (!strcmp(key,"region")) {
925 m->region = get_region_by_name(value);
926 } else if (!strcmp(key,"shopitems")) {
927 *end=0;
928 m->shopitems = parse_shop_string(value);
929 } else if (!strcmp(key,"shopgreed")) {
930 m->shopgreed = atof(value);
931 } else if (!strcmp(key,"shopmin")) {
932 m->shopmin = atol(value);
933 } else if (!strcmp(key,"shopmax")) {
934 m->shopmax = atol(value);
935 } else if (!strcmp(key,"shoprace")) {
936 *end=0;
937 m->shoprace = strdup_local(value);
938 } else if (!strcmp(key,"outdoor")) {
939 m->outdoor = atoi(value);
940 } else if (!strcmp(key, "temp")) {
941 m->temp = atoi(value);
942 } else if (!strcmp(key, "pressure")) {
943 m->pressure = atoi(value);
944 } else if (!strcmp(key, "humid")) {
945 m->humid = atoi(value);
946 } else if (!strcmp(key, "windspeed")) {
947 m->windspeed = atoi(value);
948 } else if (!strcmp(key, "winddir")) {
949 m->winddir = atoi(value);
950 } else if (!strcmp(key, "sky")) {
951 m->sky = atoi(value);
952 } else if (!strcmp(key, "nosmooth")) {
953 m->nosmooth = atoi(value);
954 }
955 else if (!strncmp(key,"tile_path_", 10)) {
956 int tile=atoi(key+10);
957 675
958 if (tile<1 || tile>4) { 676 thawer.next ();
959 LOG(llevError,"load_map_header: tile location %d out of bounds (%s)\n",
960 tile, m->path);
961 } else {
962 char *path;
963
964 *end = 0;
965
966 if (m->tile_path[tile-1]) {
967 LOG(llevError,"load_map_header: tile location %d duplicated (%s)\n",
968 tile, m->path);
969 free(m->tile_path[tile-1]);
970 m->tile_path[tile-1] = NULL;
971 }
972
973 if (check_path(value, 1) != -1) {
974 /* The unadorned path works. */
975 path = value;
976 } else {
977 /* Try again; it could be a relative exit. */
978
979 path = path_combine_and_normalize(m->path, value);
980
981 if (check_path(path, 1) == -1) {
982 LOG(llevError, "get_map_header: Bad tile path %s %s\n", m->path, value);
983 path = NULL;
984 }
985 }
986
987 if (editor) {
988 /* Use the value as in the file. */
989 m->tile_path[tile-1] = strdup_local(value);
990 } else if (path != NULL) {
991 /* Use the normalized value. */
992 m->tile_path[tile-1] = strdup_local(path);
993 }
994 } /* end if tile direction (in)valid */
995 }
996 else {
997 LOG(llevError,"Got unknown value in map header: %s %s\n", key, value);
998 }
999 }
1000 if (!key || strcmp(key,"end")) {
1001 LOG(llevError,"Got premature eof on map header!\n");
1002 return 1;
1003 }
1004 return 0;
1005}
1006
1007/*
1008 * Opens the file "filename" and reads information about the map
1009 * from the given file, and stores it in a newly allocated
1010 * mapstruct. A pointer to this structure is returned, or NULL on failure.
1011 * flags correspond to those in map.h. Main ones used are
1012 * MAP_PLAYER_UNIQUE, in which case we don't do any name changes, and
1013 * MAP_BLOCK, in which case we block on this load. This happens in all
1014 * cases, no matter if this flag is set or not.
1015 * MAP_STYLE: style map - don't add active objects, don't add to server
1016 * managed map list.
1017 */
1018
1019mapstruct *load_original_map(const char *filename, int flags) {
1020 mapstruct *m;
1021 char pathname[MAX_BUF];
1022 677 }
1023 LOG(llevDebug, "load_original_map: %s (%x)\n", filename,flags);
1024 if (flags & MAP_PLAYER_UNIQUE)
1025 strcpy(pathname, filename);
1026 else if (flags & MAP_OVERLAY)
1027 strcpy(pathname, create_overlay_pathname(filename));
1028 else
1029 strcpy(pathname, create_pathname(filename));
1030 678
1031 object_thawer thawer (pathname); 679 abort ();
1032
1033 if (!thawer)
1034 return 0;
1035
1036 m = get_linked_map();
1037
1038 strcpy (m->path, filename);
1039 if (load_map_header(thawer, m)) {
1040 LOG(llevError,"Error loading map header for %s, flags=%d\n",
1041 filename, flags);
1042 delete_map(m);
1043 return NULL;
1044 }
1045
1046 allocate_map(m);
1047
1048 m->in_memory=MAP_LOADING;
1049 load_objects (m, thawer, flags & (MAP_BLOCK|MAP_STYLE));
1050
1051 m->in_memory=MAP_IN_MEMORY;
1052 if (!MAP_DIFFICULTY(m))
1053 MAP_DIFFICULTY(m)=calculate_difficulty(m);
1054 set_map_reset_time(m);
1055 m->instantiate ();
1056 return (m);
1057} 680}
1058 681
1059/* 682//+GPL
1060 * Loads a map, which has been loaded earlier, from file.
1061 * Return the map object we load into (this can change from the passed
1062 * option if we can't find the original map)
1063 */
1064
1065static mapstruct *load_temporary_map(mapstruct *m) {
1066 int comp;
1067 char buf[MAX_BUF];
1068
1069 if (!m->tmpname) {
1070 LOG(llevError, "No temporary filename for map %s\n", m->path);
1071 strcpy(buf, m->path);
1072 delete_map(m);
1073 m = load_original_map(buf, 0);
1074 if(m==NULL) return NULL;
1075 fix_auto_apply(m); /* Chests which open as default */
1076 return m;
1077 }
1078
1079 object_thawer thawer (m->tmpname);
1080
1081 if (!thawer)
1082 {
1083 strcpy (buf, m->path);
1084 delete_map (m);
1085 m = load_original_map (buf, 0);
1086 if (!m) return NULL;
1087 fix_auto_apply (m); /* Chests which open as default */
1088 return m;
1089 }
1090
1091 if (load_map_header(thawer, m)) {
1092 LOG(llevError,"Error loading map header for %s (%s)\n",
1093 m->path, m->tmpname);
1094 delete_map(m);
1095 m = load_original_map(m->path, 0);
1096 return NULL;
1097 }
1098 allocate_map(m);
1099
1100 m->in_memory=MAP_LOADING;
1101 load_objects (m, thawer, 0);
1102
1103 m->in_memory=MAP_IN_MEMORY;
1104 INVOKE_MAP (SWAPIN, m);
1105 return m;
1106}
1107
1108/*
1109 * Loads a map, which has been loaded earlier, from file.
1110 * Return the map object we load into (this can change from the passed
1111 * option if we can't find the original map)
1112 */
1113
1114mapstruct *load_overlay_map(const char *filename, mapstruct *m) {
1115 char pathname[MAX_BUF];
1116
1117 strcpy(pathname, create_overlay_pathname(filename));
1118
1119 object_thawer thawer (pathname);
1120
1121 if (!thawer)
1122 return m;
1123
1124 if (load_map_header(thawer, m)) {
1125 LOG(llevError,"Error loading map header for overlay %s (%s)\n",
1126 m->path, pathname);
1127 delete_map(m);
1128 m = load_original_map(m->path, 0);
1129 return NULL;
1130 }
1131 /*allocate_map(m);*/
1132
1133 m->in_memory=MAP_LOADING;
1134 load_objects (m, thawer, MAP_OVERLAY);
1135
1136 m->in_memory=MAP_IN_MEMORY;
1137 return m;
1138}
1139 683
1140/****************************************************************************** 684/******************************************************************************
1141 * This is the start of unique map handling code 685 * This is the start of unique map handling code
1142 *****************************************************************************/ 686 *****************************************************************************/
1143 687
1144/* This goes through map 'm' and removed any unique items on the map. */ 688/* This goes through the maptile and removed any unique items on the map. */
1145static void delete_unique_items(mapstruct *m) 689void
690maptile::clear_unique_items ()
1146{ 691{
692 for (int i = 0; i < size (); ++i)
693 {
1147 int i,j,unique; 694 int unique = 0;
1148 object *op, *next; 695 for (object *op = spaces [i].bot; op; )
696 {
697 object *above = op->above;
1149 698
1150 for(i=0; i<MAP_WIDTH(m); i++) 699 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
1151 for(j=0; j<MAP_HEIGHT(m); j++) {
1152 unique=0; 700 unique = 1;
1153 for (op=get_map_ob(m, i, j); op; op=next) { 701
1154 next = op->above; 702 if (op->head_ () == op && (op->flag [FLAG_UNIQUE] || unique))
1155 if (QUERY_FLAG(op, FLAG_IS_FLOOR) && QUERY_FLAG(op, FLAG_UNIQUE)) 703 op->destroy ();
1156 unique=1; 704
1157 if(op->head == NULL && (QUERY_FLAG(op, FLAG_UNIQUE) || unique)) { 705 op = above;
1158 clean_object(op);
1159 if (QUERY_FLAG(op, FLAG_IS_LINKED))
1160 remove_button_link(op);
1161 remove_ob(op);
1162 free_object(op);
1163 }
1164 }
1165 } 706 }
1166}
1167
1168
1169/*
1170 * Loads unique objects from file(s) into the map which is in memory
1171 * m is the map to load unique items into.
1172 */
1173static void load_unique_objects(mapstruct *m) {
1174 int count;
1175 char firstname[MAX_BUF];
1176
1177 for (count=0; count<10; count++) {
1178 sprintf(firstname, "%s.v%02d", create_items_path(m->path), count);
1179 if (!access(firstname, R_OK)) break;
1180 }
1181 /* If we get here, we did not find any map */
1182 if (count==10) return;
1183
1184 object_thawer thawer (firstname);
1185
1186 m->in_memory=MAP_LOADING;
1187 if (m->tmpname == NULL) /* if we have loaded unique items from */
1188 delete_unique_items(m); /* original map before, don't duplicate them */
1189 load_object(thawer, NULL, LO_NOREAD,0);
1190 load_objects (m, thawer, 0);
1191
1192 m->in_memory=MAP_IN_MEMORY;
1193}
1194
1195
1196/*
1197 * Saves a map to file. If flag is set, it is saved into the same
1198 * file it was (originally) loaded from. Otherwise a temporary
1199 * filename will be genarated, and the file will be stored there.
1200 * The temporary filename will be stored in the mapstructure.
1201 * If the map is unique, we also save to the filename in the map
1202 * (this should have been updated when first loaded)
1203 */
1204
1205int
1206new_save_map (mapstruct * m, int flag)
1207{
1208 char filename[MAX_BUF], buf[MAX_BUF], buf_s[MAX_BUF], shop[MAX_BUF];
1209 int i;
1210
1211 if (flag && !*m->path)
1212 { 707 }
1213 LOG (llevError, "Tried to save map without path.\n"); 708}
1214 return -1;
1215 }
1216 709
1217 if (flag || (m->unique) || (m->templatemap)) 710//-GPL
1218 {
1219 if (!m->unique && !m->templatemap)
1220 { /* flag is set */
1221 if (flag == 2)
1222 strcpy (filename, create_overlay_pathname (m->path));
1223 else
1224 strcpy (filename, create_pathname (m->path));
1225 }
1226 else
1227 strcpy (filename, m->path);
1228 711
1229 make_path_to_file (filename); 712bool
1230 } 713maptile::_save_header (object_freezer &freezer)
1231 else 714{
1232 { 715#define MAP_OUT(k) freezer.put (KW(k), k)
1233 if (!m->tmpname) 716#define MAP_OUT2(k,v) freezer.put (KW(k), v)
1234 m->tmpname = tempnam_local (settings.tmpdir, NULL);
1235 strcpy (filename, m->tmpname);
1236 }
1237 717
1238 LOG (llevDebug, "Saving map %s to %s\n", m->path, filename); 718 MAP_OUT2 (arch, CS(map));
1239 m->in_memory = MAP_SAVING;
1240 719
1241 object_freezer fp (filename); 720 if (name) MAP_OUT (name);
1242 721 MAP_OUT (swap_time);
1243 /* legacy */ 722 MAP_OUT (reset_time);
1244 fprintf (fp, "arch map\n"); 723 MAP_OUT (reset_timeout);
1245 if (m->name)
1246 fprintf (fp, "name %s\n", m->name);
1247 if (!flag)
1248 fprintf (fp, "swap_time %d\n", m->swap_time);
1249 if (m->reset_timeout)
1250 fprintf (fp, "reset_timeout %d\n", m->reset_timeout);
1251 if (m->fixed_resettime) 724 MAP_OUT (fixed_resettime);
1252 fprintf (fp, "fixed_resettime %d\n", m->fixed_resettime); 725 MAP_OUT (no_reset);
1253 /* we unfortunately have no idea if this is a value the creator set 726 MAP_OUT (no_drop);
1254 * or a difficulty value we generated when the map was first loaded 727 MAP_OUT (difficulty);
1255 */ 728 if (default_region) MAP_OUT2 (region, default_region->name);
1256 if (m->difficulty)
1257 fprintf (fp, "difficulty %d\n", m->difficulty);
1258 if (m->region)
1259 fprintf (fp, "region %s\n", m->region->name);
1260 if (m->shopitems)
1261 {
1262 print_shop_string (m, shop);
1263 fprintf (fp, "shopitems %s\n", shop);
1264 }
1265 if (m->shopgreed)
1266 fprintf (fp, "shopgreed %f\n", m->shopgreed);
1267#ifndef WIN32
1268 if (m->shopmin)
1269 fprintf (fp, "shopmin %llu\n", m->shopmin);
1270 if (m->shopmax)
1271 fprintf (fp, "shopmax %llu\n", m->shopmax);
1272#else
1273 if (m->shopmin)
1274 fprintf (fp, "shopmin %I64u\n", m->shopmin);
1275 if (m->shopmax)
1276 fprintf (fp, "shopmax %I64u\n", m->shopmax);
1277#endif
1278 if (m->shoprace)
1279 fprintf (fp, "shoprace %s\n", m->shoprace);
1280 if (m->darkness)
1281 fprintf (fp, "darkness %d\n", m->darkness);
1282 if (m->width)
1283 fprintf (fp, "width %d\n", m->width);
1284 if (m->height)
1285 fprintf (fp, "height %d\n", m->height);
1286 if (m->enter_x)
1287 fprintf (fp, "enter_x %d\n", m->enter_x);
1288 if (m->enter_y)
1289 fprintf (fp, "enter_y %d\n", m->enter_y);
1290 if (m->msg)
1291 fprintf (fp, "msg\n%sendmsg\n", m->msg);
1292 if (m->maplore)
1293 fprintf (fp, "maplore\n%sendmaplore\n", m->maplore);
1294 if (m->unique)
1295 fprintf (fp, "unique %d\n", m->unique);
1296 if (m->templatemap)
1297 fprintf (fp, "template %d\n", m->templatemap);
1298 if (m->outdoor)
1299 fprintf (fp, "outdoor %d\n", m->outdoor);
1300 if (m->temp)
1301 fprintf (fp, "temp %d\n", m->temp);
1302 if (m->pressure)
1303 fprintf (fp, "pressure %d\n", m->pressure);
1304 if (m->humid)
1305 fprintf (fp, "humid %d\n", m->humid);
1306 if (m->windspeed)
1307 fprintf (fp, "windspeed %d\n", m->windspeed);
1308 if (m->winddir)
1309 fprintf (fp, "winddir %d\n", m->winddir);
1310 if (m->sky)
1311 fprintf (fp, "sky %d\n", m->sky);
1312 if (m->nosmooth)
1313 fprintf (fp, "nosmooth %d\n", m->nosmooth);
1314 729
1315 /* Save any tiling information, except on overlays */ 730 if (shopitems) MAP_OUT2 (shopitems, print_shop_string (this));
1316 if (flag != 2) 731 MAP_OUT (shopgreed);
1317 for (i = 0; i < 4; i++) 732 MAP_OUT (shopmin);
1318 if (m->tile_path[i]) 733 MAP_OUT (shopmax);
1319 fprintf (fp, "tile_path_%d %s\n", i + 1, m->tile_path[i]); 734 if (shoprace) MAP_OUT (shoprace);
1320 735
1321 fp.put (m); 736 MAP_OUT (width);
1322 fprintf (fp, "end\n"); 737 MAP_OUT (height);
738 MAP_OUT (enter_x);
739 MAP_OUT (enter_y);
740 MAP_OUT (darkness);
741 MAP_OUT (outdoor);
1323 742
1324 /* In the game save unique items in the different file, but 743 if (msg) freezer.put (KW(msg) , KW(endmsg) , msg);
1325 * in the editor save them to the normal map file. 744 if (maplore) freezer.put (KW(maplore), KW(endmaplore), maplore);
1326 * If unique map, save files in the proper destination (set by
1327 * player)
1328 */
1329 if ((flag == 0 || flag == 2) && !m->unique && !m->templatemap)
1330 {
1331 sprintf (buf, "%s.v00", create_items_path (m->path));
1332 745
1333 object_freezer fp2 (buf); 746 MAP_OUT (per_player);
747 MAP_OUT (per_party);
1334 748
1335 if (flag == 2) 749 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
1336 save_objects (m, fp, fp2, 2); 750 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
1337 else 751 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
1338 save_objects (m, fp, fp2, 0); 752 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
1339 }
1340 else
1341 { /* save same file when not playing, like in editor */
1342 save_objects (m, fp, fp, 0);
1343 }
1344 753
754 freezer.put (this);
755 freezer.put (KW(end));
756
1345 return 0; 757 return true;
1346} 758}
1347 759
1348 760bool
1349/* 761maptile::_save_header (const char *path)
1350 * Remove and free all objects in the inventory of the given object.
1351 * object.c ?
1352 */
1353
1354void clean_object(object *op)
1355{ 762{
1356 object *tmp, *next; 763 object_freezer freezer;
1357 764
1358 for(tmp = op->inv; tmp; tmp = next) 765 if (!_save_header (freezer))
1359 { 766 return false;
1360 next = tmp->below; 767
1361 clean_object(tmp); 768 return freezer.save (path);
1362 if (QUERY_FLAG(tmp, FLAG_IS_LINKED))
1363 remove_button_link(tmp);
1364 remove_ob(tmp);
1365 free_object(tmp);
1366 }
1367} 769}
770
771//+GPL
1368 772
1369/* 773/*
1370 * Remove and free all objects in the given map. 774 * Remove and free all objects in the given map.
1371 */ 775 */
776void
777maptile::clear ()
778{
779 if (spaces)
780 {
781 for (mapspace *ms = spaces + size (); ms-- > spaces; )
782 while (object *op = ms->bot)
783 {
784 // manually remove, as to not trigger anything
785 if (ms->bot = op->above)
786 ms->bot->below = 0;
1372 787
1373void free_all_objects(mapstruct *m) { 788 op->flag [FLAG_REMOVED] = true;
1374 int i,j;
1375 object *op;
1376 789
1377 for(i=0;i<MAP_WIDTH(m);i++) 790 object *head = op->head_ ();
1378 for(j=0;j<MAP_HEIGHT(m);j++) { 791 if (op == head)
1379 object *previous_obj=NULL; 792 op->destroy ();
1380 while((op=GET_MAP_OB(m,i,j))!=NULL) { 793 else if (head->map != op->map)
1381 if (op==previous_obj) { 794 {
1382 LOG(llevDebug, "free_all_objects: Link error, bailing out.\n"); 795 LOG (llevDebug, "bad luck for object crossing map borders: %s", head->debug_desc ());
1383 break; 796 head->destroy ();
1384 } 797 }
1385 previous_obj=op;
1386 if(op->head!=NULL)
1387 op = op->head;
1388
1389 /* If the map isn't in memory, free_object will remove and
1390 * free objects in op's inventory. So let it do the job.
1391 */
1392 if (m->in_memory==MAP_IN_MEMORY)
1393 clean_object(op);
1394 remove_ob(op);
1395 free_object(op);
1396 } 798 }
1397 }
1398#ifdef MANY_CORES
1399 /* I see periodic cores on metalforge where a map has been swapped out, but apparantly
1400 * an item on that map was not saved - look for that condition and die as appropriate -
1401 * this leaves more of the map data intact for better debugging.
1402 */
1403 for (op=objects; op!=NULL; op=op->next) {
1404 if (!QUERY_FLAG(op, FLAG_REMOVED) && op->map == m) {
1405 LOG(llevDebug,"free_all_objects: object %s still on map after it should have been freed\n", op->name);
1406 abort();
1407 }
1408 }
1409#endif
1410}
1411 799
1412/* 800 sfree0 (spaces, size ());
1413 * Frees everything allocated by the given mapstructure.
1414 * don't free tmpname - our caller is left to do that
1415 */
1416
1417void free_map(mapstruct *m,int flag) {
1418 int i;
1419
1420 if (!m->in_memory) {
1421 LOG(llevError,"Trying to free freed map.\n");
1422 return;
1423 } 801 }
1424 if (flag && m->spaces) free_all_objects(m); 802
1425 if (m->name) FREE_AND_CLEAR(m->name);
1426 if (m->spaces) FREE_AND_CLEAR(m->spaces);
1427 if (m->msg) FREE_AND_CLEAR(m->msg);
1428 if (m->maplore) FREE_AND_CLEAR(m->maplore);
1429 if (m->shopitems) FREE_AND_CLEAR(m->shopitems);
1430 if (m->shoprace) FREE_AND_CLEAR(m->shoprace);
1431 if (m->buttons) 803 if (buttons)
1432 free_objectlinkpt(m->buttons); 804 free_objectlinkpt (buttons), buttons = 0;
1433 m->buttons = NULL; 805
806 sfree0 (regions, size ());
807 delete [] regionmap; regionmap = 0;
808}
809
810void
811maptile::clear_header ()
812{
813 name = 0;
814 msg = 0;
815 maplore = 0;
816 shoprace = 0;
817 delete [] shopitems, shopitems = 0;
818
1434 for (i=0; i<4; i++) { 819 for (int i = 0; i < 4; i++)
1435 if (m->tile_path[i]) FREE_AND_CLEAR(m->tile_path[i]); 820 tile_path [i] = 0;
1436 m->tile_map[i] = NULL;
1437 }
1438 m->in_memory = MAP_SWAPPED;
1439} 821}
1440 822
1441/* 823maptile::~maptile ()
1442 * function: vanish mapstruct 824{
1443 * m : pointer to mapstruct, if NULL no action 825 assert (destroyed ());
1444 * this deletes all the data on the map (freeing pointers) 826}
1445 * and then removes this map from the global linked list of maps.
1446 */
1447 827
1448void delete_map(mapstruct *m) { 828void
1449 mapstruct *tmp, *last; 829maptile::clear_links_to (maptile *m)
1450 int i; 830{
1451
1452 if (!m)
1453 return;
1454
1455 m->clear ();
1456
1457 if (m->in_memory == MAP_IN_MEMORY) {
1458 /* change to MAP_SAVING, even though we are not,
1459 * so that remove_ob doesn't do as much work.
1460 */
1461 m->in_memory = MAP_SAVING;
1462 free_map (m, 1);
1463 }
1464 /* move this out of free_map, since tmpname can still be needed if
1465 * the map is swapped out.
1466 */
1467 if (m->tmpname) {
1468 free(m->tmpname);
1469 m->tmpname=NULL;
1470 }
1471 last = NULL;
1472 /* We need to look through all the maps and see if any maps 831 /* We need to look through all the maps and see if any maps
1473 * are pointing at this one for tiling information. Since 832 * are pointing at this one for tiling information. Since
1474 * tiling can be assymetric, we just can not look to see which 833 * tiling can be asymetric, we just can not look to see which
1475 * maps this map tiles with and clears those. 834 * maps this map tiles with and clears those.
1476 */ 835 */
1477 for (tmp = first_map; tmp != NULL; tmp = tmp->next) {
1478 if (tmp->next == m) last = tmp;
1479
1480 /* This should hopefully get unrolled on a decent compiler */
1481 for (i=0; i<4; i++) 836 for (int i = 0; i < 4; i++)
1482 if (tmp->tile_map[i] == m) tmp->tile_map[i]=NULL; 837 if (tile_map[i] == m)
1483 } 838 tile_map[i] = 0;
839}
1484 840
1485 /* If last is null, then this should be the first map in the list */ 841void
1486 if (!last) { 842maptile::do_destroy ()
1487 if (m == first_map) 843{
1488 first_map = m->next; 844 attachable::do_destroy ();
845
846 clear ();
847}
848
849/* decay and destroy perishable items in a map */
850// TODO: should be done regularly, not on map load?
851void
852maptile::do_decay_objects ()
853{
854 if (!spaces)
855 return;
856
857 for (mapspace *ms = spaces + size (); ms-- > spaces; )
858 for (object *above, *op = ms->bot; op; op = above)
859 {
860 above = op->above;
861
862 // do not decay anything above unique floor tiles (yet :)
863 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
864 break;
865
866 bool destroy = 0;
867
868 if (op->flag [FLAG_IS_FLOOR]
869 || op->flag [FLAG_OBJ_ORIGINAL]
870 || op->flag [FLAG_UNIQUE]
871 || op->flag [FLAG_OVERLAY_FLOOR]
872 || op->flag [FLAG_UNPAID]
873 || op->is_alive ())
874 ; // do not decay
875 else if (op->is_weapon ())
876 {
877 op->stats.dam--;
878 if (op->stats.dam < 0)
879 destroy = 1;
880 }
881 else if (op->is_armor ())
882 {
883 op->stats.ac--;
884 if (op->stats.ac < 0)
885 destroy = 1;
886 }
887 else if (op->type == FOOD)
888 {
889 op->stats.food -= rndm (5, 20);
890 if (op->stats.food < 0)
891 destroy = 1;
892 }
1489 else 893 else
1490 /* m->path is a static char, so should hopefully still have 894 {
1491 * some useful data in it. 895 int mat = op->materials;
896
897 if (mat & M_PAPER
898 || mat & M_LEATHER
899 || mat & M_WOOD
900 || mat & M_ORGANIC
901 || mat & M_CLOTH
902 || mat & M_LIQUID
903 || (mat & M_IRON && rndm (1, 5) == 1)
904 || (mat & M_GLASS && rndm (1, 2) == 1)
905 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
906 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
907 //|| (mat & M_ICE && temp > 32)
1492 */ 908 )
1493 LOG(llevError,"delete_map: Unable to find map %s in list\n", 909 destroy = 1;
1494 m->path);
1495 }
1496 else
1497 last->next = m->next;
1498
1499 free (m);
1500}
1501
1502
1503
1504/*
1505 * Makes sure the given map is loaded and swapped in.
1506 * name is path name of the map.
1507 * flags meaning:
1508 * 0x1 (MAP_FLUSH): flush the map - always load from the map directory,
1509 * and don't do unique items or the like.
1510 * 0x2 (MAP_PLAYER_UNIQUE) - this is a unique map for each player.
1511 * dont do any more name translation on it.
1512 *
1513 * Returns a pointer to the given map.
1514 */
1515
1516mapstruct *ready_map_name(const char *name, int flags) {
1517 mapstruct *m;
1518
1519 if (!name)
1520 return (NULL);
1521
1522 /* Have we been at this level before? */
1523 m = has_been_loaded (name);
1524
1525 /* Map is good to go, so just return it */
1526 if (m && (m->in_memory == MAP_LOADING || m->in_memory == MAP_IN_MEMORY)) {
1527 return m;
1528 }
1529
1530 /* unique maps always get loaded from their original location, and never
1531 * a temp location. Likewise, if map_flush is set, or we have never loaded
1532 * this map, load it now. I removed the reset checking from here -
1533 * it seems the probability of a player trying to enter a map that should
1534 * reset but hasn't yet is quite low, and removing that makes this function
1535 * a bit cleaner (and players probably shouldn't rely on exact timing for
1536 * resets in any case - if they really care, they should use the 'maps command.
1537 */
1538 if ((flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)) || !m) {
1539
1540 /* first visit or time to reset */
1541 if (m) {
1542 clean_tmp_map(m); /* Doesn't make much difference */
1543 delete_map(m);
1544 } 910 }
1545 911
1546 /* create and load a map */ 912 /* adjust overall chance below */
1547 if (flags & MAP_PLAYER_UNIQUE) 913 if (destroy && rndm (0, 1))
1548 LOG(llevDebug, "Trying to load map %s.\n", name); 914 op->destroy ();
1549 else
1550 LOG(llevDebug, "Trying to load map %s.\n", create_pathname(name));
1551
1552 if (!(m = load_original_map(name, (flags & MAP_PLAYER_UNIQUE))))
1553 return (NULL);
1554
1555 fix_auto_apply(m); /* Chests which open as default */
1556
1557 /* If a player unique map, no extra unique object file to load.
1558 * if from the editor, likewise.
1559 */
1560 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE)))
1561 load_unique_objects(m);
1562
1563 if (! (flags & (MAP_FLUSH|MAP_PLAYER_UNIQUE|MAP_OVERLAY))) {
1564 m=load_overlay_map(name, m);
1565 if (m==NULL)
1566 return NULL;
1567 } 915 }
1568
1569 } else {
1570 /* If in this loop, we found a temporary map, so load it up. */
1571
1572 m=load_temporary_map (m);
1573 if(m==NULL) return NULL;
1574 load_unique_objects(m);
1575
1576 clean_tmp_map(m);
1577 m->in_memory = MAP_IN_MEMORY;
1578 /* tempnam() on sun systems (probably others) uses malloc
1579 * to allocated space for the string. Free it here.
1580 * In some cases, load_temporary_map above won't find the
1581 * temporary map, and so has reloaded a new map. If that
1582 * is the case, tmpname is now null
1583 */
1584 if (m->tmpname) free(m->tmpname);
1585 m->tmpname = NULL;
1586 /* It's going to be saved anew anyway */
1587 }
1588
1589 /* Below here is stuff common to both first time loaded maps and
1590 * temp maps.
1591 */
1592
1593 decay_objects(m); /* start the decay */
1594 /* In case other objects press some buttons down */
1595 update_buttons(m);
1596 if (m->outdoor)
1597 set_darkness_map(m);
1598 /* run the weather over this map */
1599 weather_effect(name);
1600 return m;
1601} 916}
1602
1603 917
1604/* 918/*
1605 * This routine is supposed to find out the difficulty of the map. 919 * This routine is supposed to find out the difficulty of the map.
1606 * difficulty does not have a lot to do with character level, 920 * difficulty does not have a lot to do with character level,
1607 * but does have a lot to do with treasure on the map. 921 * but does have a lot to do with treasure on the map.
1608 * 922 *
1609 * Difficulty can now be set by the map creature. If the value stored 923 * Difficulty can now be set by the map creator. If the value stored
1610 * in the map is zero, then use this routine. Maps should really 924 * in the map is zero, then use this routine. Maps should really
1611 * have a difficulty set than using this function - human calculation 925 * have a difficulty set rather than using this function - human calculation
1612 * is much better than this functions guesswork. 926 * is much better than this function's guesswork.
1613 */ 927 */
1614 928int
1615int calculate_difficulty(mapstruct *m) { 929maptile::estimate_difficulty () const
1616 object *op; 930{
1617 archetype *at;
1618 int x, y, i, diff;
1619 long monster_cnt = 0; 931 long monster_cnt = 0;
1620 double avgexp = 0; 932 double avgexp = 0;
1621 sint64 total_exp = 0; 933 sint64 total_exp = 0;
1622 934
1623 if (MAP_DIFFICULTY (m)) 935 for (mapspace *ms = spaces + size (); ms-- > spaces; )
1624 { 936 for (object *op = ms->bot; op; op = op->above)
1625 LOG(llevDebug, "Using stored map difficulty: %d\n", MAP_DIFFICULTY (m));
1626 return MAP_DIFFICULTY (m);
1627 }
1628
1629 for(x = 0; x < MAP_WIDTH(m); x++)
1630 for(y = 0; y < MAP_HEIGHT(m); y++)
1631 for(op = get_map_ob(m, x, y); op != NULL; op = op->above)
1632 { 937 {
1633 if(QUERY_FLAG (op, FLAG_MONSTER)) 938 if (op->flag [FLAG_MONSTER])
1634 { 939 {
1635 total_exp += op->stats.exp; 940 total_exp += op->stats.exp;
1636 monster_cnt++; 941 monster_cnt++;
1637 } 942 }
1638 943
1639 if(QUERY_FLAG (op, FLAG_GENERATOR)) 944 if (op->flag [FLAG_GENERATOR])
1640 { 945 {
1641 total_exp += op->stats.exp; 946 total_exp += op->stats.exp;
1642 at = type_to_archetype(GENERATE_TYPE (op));
1643 947
1644 if(at != NULL) 948 if (archetype *at = op->other_arch)
949 {
1645 total_exp += at->clone.stats.exp * 8; 950 total_exp += at->stats.exp * 8;
1646
1647 monster_cnt++; 951 monster_cnt++;
1648 } 952 }
953
954 for (object *inv = op->inv; inv; inv = inv->below)
955 {
956 total_exp += op->stats.exp * 8;
957 monster_cnt++;
958 }
1649 } 959 }
960 }
1650 961
1651 avgexp = (double) total_exp / monster_cnt; 962 avgexp = (double) total_exp / monster_cnt;
1652 963
1653 for (i = 1; i <= settings.max_level; i++) 964 for (int i = 1; i <= settings.max_level; i++)
1654 {
1655 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp)) 965 if ((level_exp (i, 1) - level_exp (i - 1, 1)) > (100 * avgexp))
1656 {
1657 /* LOG(llevDebug, "Calculated difficulty for map: %s: %d\n", m->name, i); */
1658 return i; 966 return i;
1659 }
1660 }
1661 967
1662 return 1; 968 return 1;
1663}
1664
1665void clean_tmp_map(mapstruct *m) {
1666 if(m->tmpname == NULL)
1667 return;
1668 INVOKE_MAP (CLEAN, m);
1669 (void) unlink(m->tmpname);
1670}
1671
1672void free_all_maps(void)
1673{
1674 int real_maps=0;
1675
1676 while (first_map) {
1677 /* I think some of the callers above before it gets here set this to be
1678 * saving, but we still want to free this data
1679 */
1680 if (first_map->in_memory == MAP_SAVING) first_map->in_memory = MAP_IN_MEMORY;
1681 delete_map(first_map);
1682 real_maps++;
1683 }
1684 LOG(llevDebug,"free_all_maps: Freed %d maps\n", real_maps);
1685} 969}
1686 970
1687/* change_map_light() - used to change map light level (darkness) 971/* change_map_light() - used to change map light level (darkness)
1688 * up or down. Returns true if successful. It should now be 972 * up or down. Returns true if successful. It should now be
1689 * possible to change a value by more than 1. 973 * possible to change a value by more than 1.
1690 * Move this from los.c to map.c since this is more related 974 * Move this from los.c to map.c since this is more related
1691 * to maps than los. 975 * to maps than los.
1692 * postive values make it darker, negative make it brighter 976 * postive values make it darker, negative make it brighter
1693 */ 977 */
1694 978int
1695int change_map_light(mapstruct *m, int change) { 979maptile::change_map_light (int change)
1696 int new_level = m->darkness + change; 980{
1697
1698 /* Nothing to do */ 981 /* Nothing to do */
1699 if(!change || (new_level <= 0 && m->darkness == 0) || 982 if (!change)
1700 (new_level >= MAX_DARKNESS && m->darkness >=MAX_DARKNESS)) {
1701 return 0; 983 return 0;
1702 }
1703 984
1704 /* inform all players on the map */ 985 /* inform all players on the map */
1705 if (change>0) 986 if (change > 0)
1706 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes darker."); 987 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1707 else 988 else
1708 new_info_map(NDI_BLACK|NDI_UNIQUE, m,"It becomes brighter."); 989 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1709 990
1710 /* Do extra checking. since m->darkness is a unsigned value, 991 darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1711 * we need to be extra careful about negative values.
1712 * In general, the checks below are only needed if change
1713 * is not +/-1
1714 */
1715 if (new_level < 0) m->darkness = 0;
1716 else if (new_level >=MAX_DARKNESS) m->darkness = MAX_DARKNESS;
1717 else m->darkness=new_level;
1718 992
1719 /* All clients need to get re-updated for the change */ 993 /* All clients need to get re-updated for the change */
1720 update_all_map_los(m); 994 update_all_map_los (this);
995
1721 return 1; 996 return 1;
1722} 997}
1723
1724 998
1725/* 999/*
1726 * This function updates various attributes about a specific space 1000 * This function updates various attributes about a specific space
1727 * on the map (what it looks like, whether it blocks magic, 1001 * on the map (what it looks like, whether it blocks magic,
1728 * has a living creatures, prevents people from passing 1002 * has a living creatures, prevents people from passing
1729 * through, etc) 1003 * through, etc)
1730 */ 1004 */
1731void update_position (mapstruct *m, int x, int y) { 1005void
1732 object *tmp, *last = NULL; 1006mapspace::update_ ()
1733 uint8 flags = 0, oldflags, light=0, anywhere=0; 1007{
1734 New_Face *top,*floor, *middle; 1008 object *last = 0;
1735 object *top_obj, *floor_obj, *middle_obj; 1009 uint8 flags = P_UPTODATE;
1010 sint8 light = 0;
1736 MoveType move_block=0, move_slow=0, move_on=0, move_off=0, move_allow=0; 1011 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1012 uint64_t volume = 0;
1013 uint32_t items = 0;
1014 object *anywhere = 0;
1015 uint8_t middle_visibility = 0;
1737 1016
1738 oldflags = GET_MAP_FLAGS(m,x,y); 1017 //object *middle = 0;
1739 if (!(oldflags & P_NEED_UPDATE)) { 1018 //object *top = 0;
1740 LOG(llevDebug,"update_position called with P_NEED_UPDATE not set: %s (%d, %d)\n", 1019 //object *floor = 0;
1741 m->path, x, y); 1020 // this seems to generate better code than using locals, above
1742 return; 1021 object *&top = faces_obj[0] = 0;
1022 object *&middle = faces_obj[1] = 0;
1023 object *&floor = faces_obj[2] = 0;
1024
1025 object::flags_t allflags; // all flags of all objects or'ed together
1026
1027 for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1743 } 1028 {
1029 // Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1030 light += tmp->glow_radius;
1744 1031
1745 middle=blank_face;
1746 top=blank_face;
1747 floor=blank_face;
1748
1749 middle_obj = NULL;
1750 top_obj = NULL;
1751 floor_obj = NULL;
1752
1753 for (tmp = get_map_ob (m, x, y); tmp; last = tmp, tmp = tmp->above) {
1754
1755 /* This could be made additive I guess (two lights better than
1756 * one). But if so, it shouldn't be a simple additive - 2
1757 * light bulbs do not illuminate twice as far as once since
1758 * it is a disapation factor that is squared (or is it cubed?)
1759 */
1760 if (tmp->glow_radius > light) light = tmp->glow_radius;
1761
1762 /* This call is needed in order to update objects the player 1032 /* This call is needed in order to update objects the player
1763 * is standing in that have animations (ie, grass, fire, etc). 1033 * is standing in that have animations (ie, grass, fire, etc).
1764 * However, it also causes the look window to be re-drawn 1034 * However, it also causes the look window to be re-drawn
1765 * 3 times each time the player moves, because many of the 1035 * 3 times each time the player moves, because many of the
1766 * functions the move_player calls eventualy call this. 1036 * functions the move_player calls eventualy call this.
1767 * 1037 *
1768 * Always put the player down for drawing. 1038 * Always put the player down for drawing.
1769 */ 1039 */
1770 if (!tmp->invisible) { 1040 if (expect_true (!tmp->invisible))
1771 if ((tmp->type==PLAYER || QUERY_FLAG(tmp, FLAG_MONSTER))) { 1041 {
1772 top = tmp->face; 1042 if (expect_false (tmp->type == PLAYER || tmp->flag [FLAG_MONSTER]))
1773 top_obj = tmp; 1043 top = tmp;
1044 else if (expect_false (tmp->flag [FLAG_IS_FLOOR]))
1045 {
1046 /* If we got a floor, that means middle and top were below it,
1047 * so should not be visible, so we clear them.
1048 */
1049 middle = 0;
1050 top = 0;
1051 floor = tmp;
1052 volume = 0;
1053 items = 0;
1774 } 1054 }
1775 else if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) { 1055 else
1776 /* If we got a floor, that means middle and top were below it,
1777 * so should not be visible, so we clear them.
1778 */
1779 middle=blank_face;
1780 top=blank_face;
1781 floor = tmp->face;
1782 floor_obj = tmp;
1783 } 1056 {
1057 if (expect_true (!tmp->flag [FLAG_NO_PICK]))
1058 {
1059 ++items;
1060 volume += tmp->volume ();
1061 }
1062
1784 /* Flag anywhere have high priority */ 1063 /* Flag anywhere have high priority */
1785 else if (QUERY_FLAG(tmp, FLAG_SEE_ANYWHERE)) { 1064 if (expect_false (tmp->flag [FLAG_SEE_ANYWHERE]))
1786 middle = tmp->face;
1787
1788 middle_obj = tmp;
1789 anywhere =1; 1065 anywhere = tmp;
1790 } 1066
1791 /* Find the highest visible face around. If equal 1067 /* Find the highest visible face around. If equal
1792 * visibilities, we still want the one nearer to the 1068 * visibilities, we still want the one nearer to the
1793 * top 1069 * top
1794 */
1795 else if (middle == blank_face || (tmp->face->visibility > middle->visibility && !anywhere)) {
1796 middle = tmp->face;
1797 middle_obj = tmp;
1798 }
1799 }
1800 if (tmp==tmp->above) {
1801 LOG(llevError, "Error in structure of map\n");
1802 exit (-1);
1803 }
1804
1805 move_slow |= tmp->move_slow;
1806 move_block |= tmp->move_block;
1807 move_on |= tmp->move_on;
1808 move_off |= tmp->move_off;
1809 move_allow |= tmp->move_allow;
1810
1811 if (QUERY_FLAG(tmp,FLAG_ALIVE))
1812 flags |= P_IS_ALIVE;
1813 if (QUERY_FLAG(tmp,FLAG_NO_MAGIC))
1814 flags |= P_NO_MAGIC;
1815 if (QUERY_FLAG(tmp,FLAG_DAMNED))
1816 flags |= P_NO_CLERIC;
1817 if (tmp->type == SAFE_GROUND)
1818 flags |= P_SAFE | P_NO_CLERIC | P_NO_MAGIC;
1819
1820 if (QUERY_FLAG(tmp,FLAG_BLOCKSVIEW))
1821 flags |= P_BLOCKSVIEW;
1822 } /* for stack of objects */
1823
1824 /* we don't want to rely on this function to have accurate flags, but
1825 * since we're already doing the work, we calculate them here.
1826 * if they don't match, logic is broken someplace.
1827 */
1828 if (((oldflags & ~(P_NEED_UPDATE|P_NO_ERROR)) != flags) &&
1829 (!(oldflags & P_NO_ERROR))) {
1830 LOG(llevDebug,"update_position: updated flags do not match old flags: %s (old=%d,new=%d) %x != %x\n",
1831 m->path, x, y,
1832 (oldflags & ~P_NEED_UPDATE), flags);
1833 }
1834 SET_MAP_FLAGS(m, x, y, flags);
1835 SET_MAP_MOVE_BLOCK(m, x, y, move_block & ~move_allow);
1836 SET_MAP_MOVE_ON(m, x, y, move_on);
1837 SET_MAP_MOVE_OFF(m, x, y, move_off);
1838 SET_MAP_MOVE_SLOW(m, x, y, move_slow);
1839
1840 /* At this point, we have a floor face (if there is a floor),
1841 * and the floor is set - we are not going to touch it at
1842 * this point.
1843 * middle contains the highest visibility face.
1844 * top contains a player/monster face, if there is one.
1845 *
1846 * We now need to fill in top.face and/or middle.face.
1847 */
1848
1849 /* If the top face also happens to be high visibility, re-do our
1850 * middle face. This should not happen, as we already have the
1851 * else statement above so middle should not get set. OTOH, it
1852 * may be possible for the faces to match but be different objects.
1853 */
1854 if (top == middle) middle=blank_face;
1855
1856 /* There are three posibilities at this point:
1857 * 1) top face is set, need middle to be set.
1858 * 2) middle is set, need to set top.
1859 * 3) neither middle or top is set - need to set both.
1860 */
1861
1862 for (tmp=last; tmp; tmp=tmp->below) {
1863 /* Once we get to a floor, stop, since we already have a floor object */
1864 if (QUERY_FLAG(tmp,FLAG_IS_FLOOR)) break;
1865
1866 /* If two top faces are already set, quit processing */
1867 if ((top != blank_face) && (middle != blank_face)) break;
1868
1869 /* Only show visible faces, unless its the editor - show all */
1870 if (!tmp->invisible || editor) {
1871 /* Fill in top if needed */
1872 if (top == blank_face) {
1873 top = tmp->face;
1874 top_obj = tmp;
1875 if (top == middle) middle=blank_face;
1876 } else {
1877 /* top is already set - we should only get here if
1878 * middle is not set
1879 *
1880 * Set the middle face and break out, since there is nothing
1881 * more to fill in. We don't check visiblity here, since
1882 *
1883 */ 1070 */
1884 if (tmp->face != top ) { 1071 if (expect_false (::faces [tmp->face].visibility >= middle_visibility))
1885 middle = tmp->face; 1072 {
1073 middle_visibility = ::faces [tmp->face].visibility;
1886 middle_obj = tmp; 1074 middle = tmp;
1887 break;
1888 } 1075 }
1889 } 1076 }
1890 } 1077 }
1078
1079 move_slow |= tmp->move_slow;
1080 move_block |= tmp->move_block;
1081 move_on |= tmp->move_on;
1082 move_off |= tmp->move_off;
1083 move_allow |= tmp->move_allow;
1084
1085 allflags |= tmp->flag;
1086
1087 if (tmp->type == PLAYER) flags |= P_PLAYER;
1088 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1089 }
1090
1091 // FLAG_SEE_ANYWHERE takes precedence
1092 if (anywhere)
1093 middle = anywhere;
1094
1095 // ORing all flags together and checking them here is much faster
1096 if (allflags [FLAG_BLOCKSVIEW]) flags |= P_BLOCKSVIEW;
1097 if (allflags [FLAG_NO_MAGIC] ) flags |= P_NO_MAGIC;
1098 if (allflags [FLAG_ALIVE] ) flags |= P_IS_ALIVE;
1099 if (allflags [FLAG_DAMNED] ) flags |= P_NO_CLERIC;
1100
1101 this->light = min (light, MAX_LIGHT_RADIUS);
1102 this->flags_ = flags;
1103 this->move_block = move_block & ~move_allow;
1104 this->move_on = move_on;
1105 this->move_off = move_off;
1106 this->move_slow = move_slow;
1107 this->volume_ = (volume + 1023) / 1024;
1108 this->items_ = upos_min (items, 65535); // assume nrof <= 2**31
1109
1110 /* At this point, we have a floor face (if there is a floor),
1111 * and the floor is set - we are not going to touch it at
1112 * this point.
1113 * middle contains the highest visibility face.
1114 * top contains a player/monster face, if there is one.
1115 *
1116 * We now need to fill in top.face and/or middle.face.
1117 */
1118
1119 /* If the top face also happens to be high visibility, re-do our
1120 * middle face. This should not happen, as we already have the
1121 * else statement above so middle should not get set. OTOH, it
1122 * may be possible for the faces to match but be different objects.
1123 */
1124 if (top == middle)
1125 middle = 0;
1126
1127 /* There are three posibilities at this point:
1128 * 1) top face is set, need middle to be set.
1129 * 2) middle is set, need to set top.
1130 * 3) neither middle or top is set - need to set both.
1131 */
1132
1133 for (object *tmp = last; tmp; tmp = tmp->below)
1891 } 1134 {
1892 if (middle == floor) middle = blank_face; 1135 /* Once we get to a floor, stop, since we already have a floor object */
1893 if (top == middle) middle = blank_face; 1136 if (tmp->flag [FLAG_IS_FLOOR])
1894 SET_MAP_FACE(m,x,y,top,0); 1137 break;
1895 if(top != blank_face)
1896 SET_MAP_FACE_OBJ(m,x,y,top_obj,0);
1897 else
1898 SET_MAP_FACE_OBJ(m,x,y,NULL,0);
1899 SET_MAP_FACE(m,x,y,middle,1);
1900 if(middle != blank_face)
1901 SET_MAP_FACE_OBJ(m,x,y,middle_obj,1);
1902 else
1903 SET_MAP_FACE_OBJ(m,x,y,NULL,1);
1904 SET_MAP_FACE(m,x,y,floor,2);
1905 if(floor != blank_face)
1906 SET_MAP_FACE_OBJ(m,x,y,floor_obj,2);
1907 else
1908 SET_MAP_FACE_OBJ(m,x,y,NULL,2);
1909 SET_MAP_LIGHT(m,x,y,light);
1910}
1911 1138
1139 /* If two top faces are already set, quit processing */
1140 if (top && middle)
1141 break;
1912 1142
1913void set_map_reset_time(mapstruct *map) { 1143 /* Only show visible faces */
1914 int timeout; 1144 if (!tmp->invisible)
1145 {
1146 /* Fill in top if needed */
1147 if (!top)
1148 {
1149 top = tmp;
1150 if (top == middle)
1151 middle = 0;
1152 }
1153 else
1154 {
1155 /* top is already set - we should only get here if
1156 * middle is not set
1157 *
1158 * Set the middle face and break out, since there is nothing
1159 * more to fill in. We don't check visiblity here, since
1160 *
1161 */
1162 if (tmp != top)
1163 {
1164 middle = tmp;
1165 break;
1166 }
1167 }
1168 }
1169 }
1915 1170
1916 timeout = MAP_RESET_TIMEOUT(map); 1171 if (middle == floor)
1917 if (timeout <= 0) 1172 middle = 0;
1918 timeout = MAP_DEFAULTRESET;
1919 if (timeout >= MAP_MAXRESET)
1920 timeout = MAP_MAXRESET;
1921 MAP_WHEN_RESET(map) = seconds()+timeout;
1922}
1923 1173
1924/* this updates the orig_map->tile_map[tile_num] value after loading 1174 if (top == middle)
1925 * the map. It also takes care of linking back the freshly loaded 1175 middle = 0;
1926 * maps tile_map values if it tiles back to this one. It returns
1927 * the value of orig_map->tile_map[tile_num]. It really only does this
1928 * so that it is easier for calling functions to verify success.
1929 */
1930 1176
1931static mapstruct *load_and_link_tiled_map(mapstruct *orig_map, int tile_num) 1177#if 0
1932{ 1178 faces_obj [0] = top;
1933 int dest_tile = (tile_num +2) % 4; 1179 faces_obj [1] = middle;
1934 char *path = path_combine_and_normalize(orig_map->path, orig_map->tile_path[tile_num]); 1180 faces_obj [2] = floor;
1181#endif
1182}
1935 1183
1936 orig_map->tile_map[tile_num] = ready_map_name(path, 0); 1184maptile *
1185maptile::tile_available (int dir, bool load)
1186{
1187 if (tile_path[dir])
1188 {
1189 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1190 return tile_map[dir];
1937 1191
1938 /* need to do a strcmp here as the orig_map->path is not a shared string */ 1192 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1939 if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && 1193 return tile_map[dir];
1940 !strcmp(orig_map->tile_map[tile_num]->tile_path[dest_tile], orig_map->path)) 1194 }
1941 orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map;
1942 1195
1943 return orig_map->tile_map[tile_num]; 1196 return 0;
1944} 1197}
1945 1198
1946/* this returns TRUE if the coordinates (x,y) are out of 1199/* this returns TRUE if the coordinates (x,y) are out of
1947 * map m. This function also takes into account any 1200 * map m. This function also takes into account any
1948 * tiling considerations, loading adjacant maps as needed. 1201 * tiling considerations, loading adjacant maps as needed.
1949 * This is the function should always be used when it 1202 * This is the function should always be used when it
1950 * necessary to check for valid coordinates. 1203 * necessary to check for valid coordinates.
1951 * This function will recursively call itself for the 1204 * This function will recursively call itself for the
1952 * tiled maps. 1205 * tiled maps.
1953 * 1206 */
1954 * 1207int
1955 */
1956int out_of_map(mapstruct *m, int x, int y) 1208out_of_map (maptile *m, int x, int y)
1957{ 1209{
1958
1959 /* If we get passed a null map, this is obviously the 1210 /* If we get passed a null map, this is obviously the
1960 * case. This generally shouldn't happen, but if the 1211 * case. This generally shouldn't happen, but if the
1961 * map loads fail below, it could happen. 1212 * map loads fail below, it could happen.
1962 */ 1213 */
1963 if (!m) return 0; 1214 if (!m)
1964
1965 if (x<0) {
1966 if (!m->tile_path[3]) return 1;
1967 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) {
1968 load_and_link_tiled_map(m, 3);
1969 }
1970 return (out_of_map(m->tile_map[3], x + MAP_WIDTH(m->tile_map[3]), y));
1971 }
1972 if (x>=MAP_WIDTH(m)) {
1973 if (!m->tile_path[1]) return 1;
1974 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) {
1975 load_and_link_tiled_map(m, 1);
1976 }
1977 return (out_of_map(m->tile_map[1], x - MAP_WIDTH(m), y));
1978 }
1979 if (y<0) {
1980 if (!m->tile_path[0]) return 1;
1981 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) {
1982 load_and_link_tiled_map(m, 0);
1983 }
1984 return (out_of_map(m->tile_map[0], x, y + MAP_HEIGHT(m->tile_map[0])));
1985 }
1986 if (y>=MAP_HEIGHT(m)) {
1987 if (!m->tile_path[2]) return 1;
1988 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) {
1989 load_and_link_tiled_map(m, 2);
1990 }
1991 return (out_of_map(m->tile_map[2], x, y - MAP_HEIGHT(m)));
1992 }
1993
1994 /* Simple case - coordinates are within this local
1995 * map.
1996 */
1997 return 0; 1215 return 0;
1216
1217 if (x < 0)
1218 {
1219 if (!m->tile_available (3))
1220 return 1;
1221
1222 return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y);
1223 }
1224
1225 if (x >= m->width)
1226 {
1227 if (!m->tile_available (1))
1228 return 1;
1229
1230 return out_of_map (m->tile_map[1], x - m->width, y);
1231 }
1232
1233 if (y < 0)
1234 {
1235 if (!m->tile_available (0))
1236 return 1;
1237
1238 return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height);
1239 }
1240
1241 if (y >= m->height)
1242 {
1243 if (!m->tile_available (2))
1244 return 1;
1245
1246 return out_of_map (m->tile_map[2], x, y - m->height);
1247 }
1248
1249 /* Simple case - coordinates are within this local
1250 * map.
1251 */
1252 return 0;
1998} 1253}
1999 1254
2000/* This is basically the same as out_of_map above, but 1255/* This is basically the same as out_of_map above, but
2001 * instead we return NULL if no map is valid (coordinates 1256 * instead we return NULL if no map is valid (coordinates
2002 * out of bounds and no tiled map), otherwise it returns 1257 * out of bounds and no tiled map), otherwise it returns
2003 * the map as that the coordinates are really on, and 1258 * the map as that the coordinates are really on, and
2004 * updates x and y to be the localized coordinates. 1259 * updates x and y to be the localised coordinates.
2005 * Using this is more efficient of calling out_of_map 1260 * Using this is more efficient of calling out_of_map
2006 * and then figuring out what the real map is 1261 * and then figuring out what the real map is
2007 */ 1262 */
2008mapstruct *get_map_from_coord(mapstruct *m, sint16 *x, sint16 *y) 1263maptile *
1264maptile::xy_find (sint16 &x, sint16 &y)
2009{ 1265{
2010 1266 if (x < 0)
2011 if (*x<0) {
2012 if (!m->tile_path[3]) return NULL;
2013 if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY)
2014 load_and_link_tiled_map(m, 3);
2015
2016 *x += MAP_WIDTH(m->tile_map[3]);
2017 return (get_map_from_coord(m->tile_map[3], x, y));
2018 } 1267 {
2019 if (*x>=MAP_WIDTH(m)) { 1268 if (!tile_available (3))
2020 if (!m->tile_path[1]) return NULL; 1269 return 0;
2021 if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY)
2022 load_and_link_tiled_map(m, 1);
2023 1270
2024 *x -= MAP_WIDTH(m); 1271 x += tile_map[3]->width;
2025 return (get_map_from_coord(m->tile_map[1], x, y)); 1272 return tile_map[3]->xy_find (x, y);
1273 }
1274
1275 if (x >= width)
2026 } 1276 {
2027 if (*y<0) { 1277 if (!tile_available (1))
2028 if (!m->tile_path[0]) return NULL; 1278 return 0;
2029 if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY)
2030 load_and_link_tiled_map(m, 0);
2031 1279
2032 *y += MAP_HEIGHT(m->tile_map[0]); 1280 x -= width;
2033 return (get_map_from_coord(m->tile_map[0], x, y)); 1281 return tile_map[1]->xy_find (x, y);
1282 }
1283
1284 if (y < 0)
2034 } 1285 {
2035 if (*y>=MAP_HEIGHT(m)) { 1286 if (!tile_available (0))
2036 if (!m->tile_path[2]) return NULL; 1287 return 0;
2037 if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY)
2038 load_and_link_tiled_map(m, 2);
2039 1288
2040 *y -= MAP_HEIGHT(m); 1289 y += tile_map[0]->height;
2041 return (get_map_from_coord(m->tile_map[2], x, y)); 1290 return tile_map[0]->xy_find (x, y);
1291 }
1292
1293 if (y >= height)
2042 } 1294 {
1295 if (!tile_available (2))
1296 return 0;
2043 1297
1298 y -= height;
1299 return tile_map[2]->xy_find (x, y);
1300 }
1301
2044 /* Simple case - coordinates are within this local 1302 /* Simple case - coordinates are within this local
2045 * map. 1303 * map.
2046 */ 1304 */
2047 1305 return this;
2048 return m;
2049} 1306}
2050 1307
2051/** 1308/**
2052 * Return whether map2 is adjacent to map1. If so, store the distance from 1309 * Return whether map2 is adjacent to map1. If so, store the distance from
2053 * map1 to map2 in dx/dy. 1310 * map1 to map2 in dx/dy.
2054 */ 1311 */
1312int
2055static int adjacent_map(const mapstruct *map1, const mapstruct *map2, int *dx, int *dy) { 1313adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy)
1314{
2056 if (!map1 || !map2) 1315 if (!map1 || !map2)
2057 return 0; 1316 return 0;
2058 1317
1318 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
1319 //fix: compare paths instead (this is likely faster, too!)
2059 if (map1 == map2) { 1320 if (map1 == map2)
1321 {
2060 *dx = 0; 1322 *dx = 0;
2061 *dy = 0; 1323 *dy = 0;
2062 1324 }
2063 } else if (map1->tile_map[0] == map2) { /* up */ 1325 else if (map1->tile_map[0] == map2)
1326 { /* up */
2064 *dx = 0; 1327 *dx = 0;
2065 *dy = -MAP_HEIGHT(map2); 1328 *dy = -map2->height;
1329 }
2066 } else if (map1->tile_map[1] == map2) { /* right */ 1330 else if (map1->tile_map[1] == map2)
2067 *dx = MAP_WIDTH(map1); 1331 { /* right */
1332 *dx = map1->width;
2068 *dy = 0; 1333 *dy = 0;
1334 }
2069 } else if (map1->tile_map[2] == map2) { /* down */ 1335 else if (map1->tile_map[2] == map2)
1336 { /* down */
2070 *dx = 0; 1337 *dx = 0;
2071 *dy = MAP_HEIGHT(map1); 1338 *dy = map1->height;
1339 }
2072 } else if (map1->tile_map[3] == map2) { /* left */ 1340 else if (map1->tile_map[3] == map2)
2073 *dx = -MAP_WIDTH(map2); 1341 { /* left */
1342 *dx = -map2->width;
2074 *dy = 0; 1343 *dy = 0;
2075 1344 }
2076 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) { /* up right */ 1345 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2)
1346 { /* up right */
2077 *dx = MAP_WIDTH(map1->tile_map[0]); 1347 *dx = map1->tile_map[0]->width;
2078 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1348 *dy = -map1->tile_map[0]->height;
1349 }
2079 } else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) { /* up left */ 1350 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2)
2080 *dx = -MAP_WIDTH(map2); 1351 { /* up left */
2081 *dy = -MAP_HEIGHT(map1->tile_map[0]); 1352 *dx = -map2->width;
1353 *dy = -map1->tile_map[0]->height;
1354 }
2082 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) { /* right up */ 1355 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2)
2083 *dx = MAP_WIDTH(map1); 1356 { /* right up */
2084 *dy = -MAP_HEIGHT(map2); 1357 *dx = map1->width;
1358 *dy = -map2->height;
1359 }
2085 } else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) { /* right down */ 1360 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2)
2086 *dx = MAP_WIDTH(map1); 1361 { /* right down */
2087 *dy = MAP_HEIGHT(map1->tile_map[1]); 1362 *dx = map1->width;
1363 *dy = map1->tile_map[1]->height;
1364 }
2088 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) { /* down right */ 1365 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2)
1366 { /* down right */
2089 *dx = MAP_WIDTH(map1->tile_map[2]); 1367 *dx = map1->tile_map[2]->width;
2090 *dy = MAP_HEIGHT(map1); 1368 *dy = map1->height;
1369 }
2091 } else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) { /* down left */ 1370 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2)
2092 *dx = -MAP_WIDTH(map2); 1371 { /* down left */
2093 *dy = MAP_HEIGHT(map1); 1372 *dx = -map2->width;
1373 *dy = map1->height;
1374 }
2094 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) { /* left up */ 1375 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2)
1376 { /* left up */
2095 *dx = -MAP_WIDTH(map1->tile_map[3]); 1377 *dx = -map1->tile_map[3]->width;
2096 *dy = -MAP_HEIGHT(map2); 1378 *dy = -map2->height;
1379 }
2097 } else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) { /* left down */ 1380 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2)
1381 { /* left down */
2098 *dx = -MAP_WIDTH(map1->tile_map[3]); 1382 *dx = -map1->tile_map[3]->width;
2099 *dy = MAP_HEIGHT(map1->tile_map[3]); 1383 *dy = map1->tile_map[3]->height;
2100
2101 } else { /* not "adjacent" enough */
2102 return 0;
2103 } 1384 }
2104 1385 else
2105 return 1; 1386 return 0;
1387
1388 return 1;
1389}
1390
1391maptile *
1392maptile::xy_load (sint16 &x, sint16 &y)
1393{
1394 maptile *map = xy_find (x, y);
1395
1396 if (map)
1397 map->load_sync ();
1398
1399 return map;
1400}
1401
1402maptile *
1403get_map_from_coord (maptile *m, sint16 *x, sint16 *y)
1404{
1405 return m->xy_load (*x, *y);
2106} 1406}
2107 1407
2108/* From map.c 1408/* From map.c
2109 * This is used by get_player to determine where the other 1409 * This is used by get_player to determine where the other
2110 * creature is. get_rangevector takes into account map tiling, 1410 * creature is. get_rangevector takes into account map tiling,
2111 * so you just can not look the the map coordinates and get the 1411 * so you just can not look the the map coordinates and get the
2112 * righte value. distance_x/y are distance away, which 1412 * righte value. distance_x/y are distance away, which
2113 * can be negativbe. direction is the crossfire direction scheme 1413 * can be negative. direction is the crossfire direction scheme
2114 * that the creature should head. part is the part of the 1414 * that the creature should head. part is the part of the
2115 * monster that is closest. 1415 * monster that is closest.
2116 * 1416 *
2117 * get_rangevector looks at op1 and op2, and fills in the 1417 * get_rangevector looks at op1 and op2, and fills in the
2118 * structure for op1 to get to op2. 1418 * structure for op1 to get to op2.
… …
2123 * be unexpected 1423 * be unexpected
2124 * 1424 *
2125 * currently, the only flag supported (0x1) is don't translate for 1425 * currently, the only flag supported (0x1) is don't translate for
2126 * closest body part of 'op1' 1426 * closest body part of 'op1'
2127 */ 1427 */
2128 1428void
2129void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags) { 1429get_rangevector (object *op1, object *op2, rv_vector *retval, int flags)
1430{
2130 if (!adjacent_map(op1->map, op2->map, &retval->distance_x, &retval->distance_y)) { 1431 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1432 {
2131 /* be conservative and fill in _some_ data */ 1433 /* be conservative and fill in _some_ data */
2132 retval->distance = 100000; 1434 retval->distance = 10000;
2133 retval->distance_x = 32767; 1435 retval->distance_x = 10000;
2134 retval->distance_y = 32767; 1436 retval->distance_y = 10000;
2135 retval->direction = 0; 1437 retval->direction = 0;
2136 retval->part = 0; 1438 retval->part = 0;
2137 } else { 1439 }
2138 object *best; 1440 else
2139 1441 {
2140 retval->distance_x += op2->x-op1->x; 1442 retval->distance_x += op2->x - op1->x;
2141 retval->distance_y += op2->y-op1->y; 1443 retval->distance_y += op2->y - op1->y;
2142 1444
2143 best = op1; 1445 object *best = op1;
1446
2144 /* If this is multipart, find the closest part now */ 1447 /* If this is multipart, find the closest part now */
2145 if (!(flags&0x1) && op1->more) { 1448 if (!(flags & 1) && op1->more)
2146 object *tmp; 1449 {
2147 int best_distance = retval->distance_x*retval->distance_x+ 1450 int best_distance = idistance (retval->distance_x, retval->distance_y);
2148 retval->distance_y*retval->distance_y, tmpi;
2149 1451
2150 /* we just take the offset of the piece to head to figure 1452 /* we just take the offset of the piece to head to figure
2151 * distance instead of doing all that work above again 1453 * distance instead of doing all that work above again
2152 * since the distance fields we set above are positive in the 1454 * since the distance fields we set above are positive in the
2153 * same axis as is used for multipart objects, the simply arithmetic 1455 * same axis as is used for multipart objects, the simply arithmetic
2154 * below works. 1456 * below works.
2155 */ 1457 */
2156 for (tmp = op1->more; tmp != NULL; tmp = tmp->more) { 1458 for (object *tmp = op1->more; tmp; tmp = tmp->more)
1459 {
2157 tmpi = (op1->x-tmp->x+retval->distance_x)*(op1->x-tmp->x+retval->distance_x)+ 1460 int tmpi = idistance (op1->x - tmp->x + retval->distance_x, op1->y - tmp->y + retval->distance_y);
2158 (op1->y-tmp->y+retval->distance_y)*(op1->y-tmp->y+retval->distance_y); 1461
2159 if (tmpi < best_distance) { 1462 if (tmpi < best_distance)
1463 {
2160 best_distance = tmpi; 1464 best_distance = tmpi;
2161 best = tmp; 1465 best = tmp;
2162 } 1466 }
2163 } 1467 }
1468
2164 if (best != op1) { 1469 if (best != op1)
1470 {
2165 retval->distance_x += op1->x-best->x; 1471 retval->distance_x += op1->x - best->x;
2166 retval->distance_y += op1->y-best->y; 1472 retval->distance_y += op1->y - best->y;
2167 } 1473 }
2168 } 1474 }
1475
2169 retval->part = best; 1476 retval->part = best;
2170 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1477 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2171 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1478 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2172 } 1479 }
2173} 1480}
2174 1481
2175/* this is basically the same as get_rangevector above, but instead of 1482/* this is basically the same as get_rangevector above, but instead of
2176 * the first parameter being an object, it instead is the map 1483 * the first parameter being an object, it instead is the map
… …
2180 * flags has no meaning for this function at this time - I kept it in to 1487 * flags has no meaning for this function at this time - I kept it in to
2181 * be more consistant with the above function and also in case they are needed 1488 * be more consistant with the above function and also in case they are needed
2182 * for something in the future. Also, since no object is pasted, the best 1489 * for something in the future. Also, since no object is pasted, the best
2183 * field of the rv_vector is set to NULL. 1490 * field of the rv_vector is set to NULL.
2184 */ 1491 */
2185 1492void
2186void get_rangevector_from_mapcoord(const mapstruct *m, int x, int y, const object *op2, rv_vector *retval, int flags) { 1493get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
1494{
2187 if (!adjacent_map(m, op2->map, &retval->distance_x, &retval->distance_y)) { 1495 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1496 {
2188 /* be conservative and fill in _some_ data */ 1497 /* be conservative and fill in _some_ data */
2189 retval->distance = 100000; 1498 retval->distance = 100000;
2190 retval->distance_x = 32767; 1499 retval->distance_x = 32767;
2191 retval->distance_y = 32767; 1500 retval->distance_y = 32767;
2192 retval->direction = 0; 1501 retval->direction = 0;
2193 retval->part = 0; 1502 retval->part = 0;
2194 } else { 1503 }
1504 else
1505 {
2195 retval->distance_x += op2->x-x; 1506 retval->distance_x += op2->x - x;
2196 retval->distance_y += op2->y-y; 1507 retval->distance_y += op2->y - y;
2197 1508
2198 retval->part = NULL; 1509 retval->part = 0;
2199 retval->distance = isqrt(retval->distance_x*retval->distance_x+retval->distance_y*retval->distance_y); 1510 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
2200 retval->direction = find_dir_2(-retval->distance_x, -retval->distance_y); 1511 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
2201 } 1512 }
2202} 1513}
2203 1514
2204/* Returns true of op1 and op2 are effectively on the same map 1515/* Returns true of op1 and op2 are effectively on the same map
2205 * (as related to map tiling). Note that this looks for a path from 1516 * (as related to map tiling). Note that this looks for a path from
2206 * op1 to op2, so if the tiled maps are assymetric and op2 has a path 1517 * op1 to op2, so if the tiled maps are asymetric and op2 has a path
2207 * to op1, this will still return false. 1518 * to op1, this will still return false.
2208 * Note we only look one map out to keep the processing simple 1519 * Note we only look one map out to keep the processing simple
2209 * and efficient. This could probably be a macro. 1520 * and efficient. This could probably be a macro.
2210 * MSW 2001-08-05 1521 * MSW 2001-08-05
2211 */ 1522 */
1523int
2212int on_same_map(const object *op1, const object *op2) { 1524on_same_map (const object *op1, const object *op2)
1525{
2213 int dx, dy; 1526 int dx, dy;
2214 1527
2215 return adjacent_map(op1->map, op2->map, &dx, &dy); 1528 return adjacent_map (op1->map, op2->map, &dx, &dy);
2216} 1529}
1530
1531//-GPL
1532
1533object *
1534maptile::insert (object *op, int x, int y, object *originator, int flags)
1535{
1536 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1537}
1538
1539region *
1540maptile::region (int x, int y) const
1541{
1542 if (regions
1543 && regionmap
1544 && !OUT_OF_REAL_MAP (this, x, y))
1545 if (struct region *reg = regionmap [regions [y * width + x]])
1546 return reg;
1547
1548 if (default_region)
1549 return default_region;
1550
1551 return ::region::default_region ();
1552}
1553
1554//+GPL
1555
1556/* picks a random object from a style map.
1557 */
1558object *
1559maptile::pick_random_object (rand_gen &gen) const
1560{
1561 /* while returning a null object will result in a crash, that
1562 * is actually preferable to an infinite loop. That is because
1563 * most servers will automatically restart in case of crash.
1564 * Change the logic on getting the random space - shouldn't make
1565 * any difference, but this seems clearer to me.
1566 */
1567 for (int i = 1000; --i;)
1568 {
1569 object *pick = at (gen (width), gen (height)).bot;
1570
1571 // must be head: do not prefer big monsters just because they are big.
1572 if (pick && pick->is_head ())
1573 return pick;
1574 }
1575
1576 // instead of crashing in the unlikely(?) case, try to return *something*
1577 return archetype::find (shstr_bug);
1578}
1579
1580//-GPL
1581
1582void
1583maptile::play_sound (faceidx sound, int x, int y) const
1584{
1585 if (!sound)
1586 return;
1587
1588 for_all_players_on_map (pl, this)
1589 if (client *ns = pl->ns)
1590 {
1591 int dx = x - pl->ob->x;
1592 int dy = y - pl->ob->y;
1593
1594 int distance = idistance (dx, dy);
1595
1596 if (distance <= MAX_SOUND_DISTANCE)
1597 ns->play_sound (sound, dx, dy);
1598 }
1599}
1600
1601void
1602maptile::say_msg (const char *msg, int x, int y) const
1603{
1604 for_all_players (pl)
1605 if (client *ns = pl->ns)
1606 {
1607 int dx = x - pl->ob->x;
1608 int dy = y - pl->ob->y;
1609
1610 int distance = idistance (dx, dy);
1611
1612 if (distance <= MAX_SOUND_DISTANCE)
1613 ns->send_msg (NDI_GREY | NDI_DEF, SAY_CHANNEL, msg);
1614 }
1615}
1616
1617dynbuf mapwalk_buf (sizeof (maprect) * 25, sizeof (maprect) * 25);
1618
1619static void
1620split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
1621{
1622 // clip to map to the left
1623 if (x0 < 0)
1624 {
1625 if (maptile *tile = m->tile_available (TILE_LEFT, 1))
1626 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
1627
1628 if (x1 < 0) // entirely to the left
1629 return;
1630
1631 x0 = 0;
1632 }
1633
1634 // clip to map to the right
1635 if (x1 > m->width)
1636 {
1637 if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
1638 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
1639
1640 if (x0 > m->width) // entirely to the right
1641 return;
1642
1643 x1 = m->width;
1644 }
1645
1646 // clip to map above
1647 if (y0 < 0)
1648 {
1649 if (maptile *tile = m->tile_available (TILE_UP, 1))
1650 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
1651
1652 if (y1 < 0) // entirely above
1653 return;
1654
1655 y0 = 0;
1656 }
1657
1658 // clip to map below
1659 if (y1 > m->height)
1660 {
1661 if (maptile *tile = m->tile_available (TILE_DOWN, 1))
1662 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
1663
1664 if (y0 > m->height) // entirely below
1665 return;
1666
1667 y1 = m->height;
1668 }
1669
1670 // if we get here, the rect is within the current map
1671 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1672
1673 r->m = m;
1674 r->x0 = x0;
1675 r->y0 = y0;
1676 r->x1 = x1;
1677 r->y1 = y1;
1678 r->dx = dx;
1679 r->dy = dy;
1680}
1681
1682maprect *
1683maptile::split_to_tiles (dynbuf &buf, int x0, int y0, int x1, int y1)
1684{
1685 buf.clear ();
1686
1687 ::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
1688
1689 // add end marker
1690 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1691 r->m = 0;
1692
1693 return (maprect *)buf.linearise ();
1694}
1695

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