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Comparing deliantra/server/include/map.h (file contents):
Revision 1.88 by root, Wed Sep 12 11:10:10 2007 UTC vs.
Revision 1.140 by root, Wed May 4 19:04:44 2011 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002-2005,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002-2005 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * 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
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * 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
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24/* 25/*
25 * The maptile is allocated each time a new map is opened. 26 * The maptile is allocated each time a new map is opened.
26 * It contains pointers (very indirectly) to all objects on the map. 27 * It contains pointers (very indirectly) to all objects on the map.
28 29
29#ifndef MAP_H 30#ifndef MAP_H
30#define MAP_H 31#define MAP_H
31 32
32#include <tr1/unordered_map> 33#include <tr1/unordered_map>
34
35//+GPL
33 36
34#include "region.h" 37#include "region.h"
35#include "cfperl.h" 38#include "cfperl.h"
36 39
37/* We set this size - this is to make magic map work properly on 40/* We set this size - this is to make magic map work properly on
45 * map pointers. 48 * map pointers.
46 */ 49 */
47#define MAGIC_MAP_SIZE 50 50#define MAGIC_MAP_SIZE 50
48#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2 51#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2
49 52
50#define MAP_LAYERS 3 53#define MAP_LAYERS 3
51 54
52/* Values for in_memory below. Should probably be an enumerations */ 55// tile map index
53enum { 56enum {
54 MAP_IN_MEMORY, 57 TILE_NORTH,
55 MAP_SWAPPED, 58 TILE_EAST,
56 MAP_LOADING, 59 TILE_SOUTH,
57 MAP_SAVING, 60 TILE_WEST,
61 TILE_UP,
62 TILE_DOWN,
63 TILE_NUM,
64};
65
66/* Values for state below */
67enum {
68 MAP_SWAPPED, // header loaded, nothing else
69 MAP_INACTIVE, // in memory, linkable, but not active
70 MAP_ACTIVE, // running!
58}; 71};
59 72
60/* GET_MAP_FLAGS really shouldn't be used very often - get_map_flags should 73/* GET_MAP_FLAGS really shouldn't be used very often - get_map_flags should
61 * really be used, as it is multi tile aware. However, there are some cases 74 * really be used, as it is multi tile aware. However, there are some cases
62 * where it is known the map is not tiled or the values are known 75 * where it is known the map is not tiled or the values are known
63 * consistent (eg, op->map, op->x, op->y) 76 * consistent (eg, op->map, op->x, op->y)
64 */ 77 */
65// all those macros are herewith declared legacy 78// all those macros are herewith declared legacy
66#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags () 79#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags ()
67#define GET_MAP_LIGHT(M,X,Y) (M)->at((X),(Y)).light
68#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot 80#define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot
69#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top 81#define GET_MAP_TOP(M,X,Y) (M)->at((X),(Y)).top
70#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L] 82#define GET_MAP_FACE_OBJ(M,X,Y,L) (M)->at((X),(Y)).faces_obj[L]
71#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block 83#define GET_MAP_MOVE_BLOCK(M,X,Y) (M)->at((X),(Y)).move_block
72#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow 84#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow
82/* These are used in the MapLook flags element. They are not used in 94/* These are used in the MapLook flags element. They are not used in
83 * in the object flags structure. 95 * in the object flags structure.
84 */ 96 */
85#define P_BLOCKSVIEW 0x01 97#define P_BLOCKSVIEW 0x01
86#define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */ 98#define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */
87#define P_PLAYER 0x04 /* a player (or something seeing these objects) is on this mapspace */ 99#define P_NO_CLERIC 0x04 /* no clerical spells cast here */
88#define P_SAFE 0x08 /* If this is set the map tile is a safe space, 100#define P_SAFE 0x08 /* If this is set the map tile is a safe space,
89 * that means, nothing harmful can be done, 101 * that means, nothing harmful can be done,
90 * such as: bombs, potion usage, alchemy, spells 102 * such as: bombs, potion usage, alchemy, spells
91 * this was introduced to make shops safer 103 * this was introduced to make shops safer
92 * but is useful in other situations */ 104 * but is useful in other situations */
105
106#define P_PLAYER 0x10 /* a player (or something seeing these objects) is on this mapspace */
93#define P_IS_ALIVE 0x10 /* something alive is on this space */ 107#define P_IS_ALIVE 0x20 /* something alive is on this space */
94#define P_NO_CLERIC 0x20 /* no clerical spells cast here */
95
96#define P_UPTODATE 0x80 /* this space is up to date */ 108#define P_UPTODATE 0x80 // this space is up to date
97 109
98/* The following two values are not stored in the MapLook flags, but instead 110/* The following two values are not stored in the MapLook flags, but instead
99 * used in the get_map_flags value - that function is used to return 111 * used in the get_map_flags value - that function is used to return
100 * the flag value, as well as other conditions - using a more general 112 * the flag value, as well as other conditions - using a more general
101 * function that does more of the work can hopefully be used to replace 113 * function that does more of the work can hopefully be used to replace
102 * lots of duplicate checks currently in the code. 114 * lots of duplicate checks currently in the code.
103 */ 115 */
104#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ 116#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */
105#define P_NEW_MAP 0x20000 117#define P_NEW_MAP 0x20000 /* Coordinates passed result in a new tiled map */
106 /* Coordinates passed result in a new tiled map */
107 118
108/* Instead of having numerous arrays that have information on a 119/* Instead of having numerous arrays that have information on a
109 * particular space (was map, floor, floor2, map_ob), 120 * particular space (was map, floor, floor2, map_ob),
110 * have this structure take care of that information. 121 * have this structure take care of that information.
111 * This puts it all in one place, and should also make it easier 122 * This puts it all in one place, and should also make it easier
112 * to extend information about a space. 123 * to extend information about a space.
113 */ 124 */
125INTERFACE_CLASS (mapspace)
114struct mapspace 126struct mapspace
115{ 127{
128 object *ACC (RW, bot);
116 object *bot, *top; /* lowest/highest object on this space */ 129 object *ACC (RW, top); /* lowest/highest object on this space */
117 object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ 130 object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */
118 uint8 flags_; /* flags about this space (see the P_ values above) */ 131 uint8 flags_; /* flags about this space (see the P_ values above) */
119 sint8 light; /* How much light this space provides */ 132 sint8 ACC (RW, light); /* How much light this space provides */
120 MoveType move_block; /* What movement types this space blocks */ 133 MoveType ACC (RW, move_block); /* What movement types this space blocks */
121 MoveType move_slow; /* What movement types this space slows */ 134 MoveType ACC (RW, move_slow); /* What movement types this space slows */
122 MoveType move_on; /* What movement types are activated */ 135 MoveType ACC (RW, move_on); /* What movement types are activated */
123 MoveType move_off; /* What movement types are activated */ 136 MoveType ACC (RW, move_off); /* What movement types are activated */
137 uint16_t ACC (RW, items_); // saturates at 64k
138 uint32_t ACC (RW, volume_); // ~dm³ (not cm³) (factor is actually 1024)
139 uint32_t ACC (RW, smell); // the last count a player was seen here, or 0
140 static uint32_t ACC (RW, smellcount); // global smell counter
141
142 uint32_t pad1_; // pad to 64 bytes on 64 bit systems
143
144//-GPL
124 145
125 void update_ (); 146 void update_ ();
126 void update () 147 MTH void update ()
127 { 148 {
128 if (!(flags_ & P_UPTODATE)) 149 // we take advantage of the fact that 0x80 is the sign bit
150 // to generate more efficient code on many cpus
151 assert (sint8 (P_UPTODATE) < 0);
152 assert (sint8 (-1 & ~P_UPTODATE) >= 0);
153
154 if (expect_false (sint8 (flags_) >= 0))
129 update_ (); 155 update_ ();
130 }
131 156
157 // must be true by now (gcc seems content with only the second test)
158 assume (sint8 (flags_) < 0);
159 assume (flags_ & P_UPTODATE);
160 }
161
132 uint8 flags () 162 MTH uint8 flags ()
133 { 163 {
134 update (); 164 update ();
135 return flags_; 165 return flags_;
136 } 166 }
167
168 MTH void invalidate ()
169 {
170 flags_ = 0;
171 }
137 172
138 // maybe only inline quick flags_ checking?
139 object *player () 173 MTH object *player ()
140 { 174 {
141 // search from the top, because players are usually on top 175 object *op;
142 // make usually == always and this non-amortized O(1) 176
143 // could gte rid of P_PLAYER, too, then
144 if (flags () & P_PLAYER) 177 if (flags () & P_PLAYER)
145 for (object *op = top; op; op = op->below) 178 for (op = top; op->type != PLAYER; op = op->below)
146 if (op->type == PLAYER) 179 ;
147 return op; 180 else
181 op = 0;
148 182
149 return 0; 183 return op;
184 }
185
186 MTH uint32 items()
187 {
188 update ();
189 return items_;
150 } 190 }
151 191
152 // return the item volume on this mapspace in cm³ 192 // return the item volume on this mapspace in cm³
153 uint64 volume () const; 193 MTH uint64 volume ()
194 {
195 update ();
196 return volume_ * 1024;
197 }
154 198
155 bool blocks (MoveType mt) const 199 bool blocks (MoveType mt) const
156 { 200 {
157 return move_block && (mt & move_block) == mt; 201 return move_block && (mt & move_block) == mt;
158 } 202 }
203
204 bool blocks (object *op) const
205 {
206 return blocks (op->move_type);
207 }
159}; 208};
209
210// a rectangular area of a map, used my split_to_tiles/unordered_mapwalk
211struct maprect
212{
213 maptile *m;
214 int x0, y0;
215 int x1, y1;
216 int dx, dy; // offset to go from local coordinates to original tile */
217};
218
219// (refcounted) list of objects on this map that need physics processing
220struct physics_queue
221: unordered_vector<object *>
222{
223 int i; // already processed
224 physics_queue ();
225 object *pop ();
226};
227
228#define PHYSICS_QUEUES 16 // "activity" at least every 16 ticks
229
230//+GPL
160 231
161struct shopitems : zero_initialised 232struct shopitems : zero_initialised
162{ 233{
163 const char *name; /* name of the item in question, null if it is the default item */ 234 const char *name; /* name of the item in question, null if it is the default item */
164 const char *name_pl; /* plural name */ 235 const char *name_pl; /* plural name */
204 bool ACC (RW, dirty); /* if true, something was inserted or removed */ 275 bool ACC (RW, dirty); /* if true, something was inserted or removed */
205 bool ACC (RW, no_reset); // must not reset this map 276 bool ACC (RW, no_reset); // must not reset this map
206 bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by 277 bool ACC (RW, fixed_resettime); /* if true, reset time is not affected by
207 * players entering/exiting map 278 * players entering/exiting map
208 */ 279 */
280 uint8 ACC (RW, state); /* If not true, the map has been freed and must
281 * be loaded before used. The map,omap and map_ob
282 * arrays will be allocated when the map is loaded */
209 sint32 ACC (RW, timeout); /* swapout is set to this */ 283 sint32 ACC (RW, timeout); /* swapout is set to this */
210 sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */ 284 sint32 ACC (RW, swap_time); /* When it reaches 0, the map will be swapped out */
211 uint32 ACC (RW, in_memory); /* If not true, the map has been freed and must
212 * be loaded before used. The map,omap and map_ob
213 * arrays will be allocated when the map is loaded */
214 sint16 players; /* How many players are on this map right now */ 285 sint16 players; /* How many players are on this map right now */
215 uint16 ACC (RW, difficulty); /* What level the player should be to play here */ 286 uint16 ACC (RW, difficulty); /* What level the player should be to play here */
216 287
217 bool ACC (RW, per_player); 288 bool ACC (RW, per_player);
218 bool ACC (RW, per_party); 289 bool ACC (RW, per_party);
219 bool ACC (RW, outdoor); /* True if an outdoor map */ 290 bool ACC (RW, outdoor); /* True if an outdoor map */
220 bool ACC (RW, nodrop); /* avoid dropping anything on this map */ 291 bool ACC (RW, no_drop); /* avoid auto-dropping (on death) anything on this map */
221 uint8 ACC (RW, darkness); /* indicates level of darkness of map */ 292 sint8 ACC (RW, darkness); /* indicates level of darkness of map */
293 static sint8 outdoor_darkness; /* the global darkness level outside */
222 294
223 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ 295 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */
224 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */ 296 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */
225 oblinkpt *buttons; /* Linked list of linked lists of buttons */ 297 oblinkpt *buttons; /* Linked list of linked lists of buttons */
226 sint16 ACC (RW, temp); /* base temperature of this tile (F) */
227 sint16 ACC (RW, pressure); /* barometric pressure (mb) */
228 sint8 ACC (RW, humid); /* humitidy of this tile */
229 sint8 ACC (RW, windspeed); /* windspeed of this tile */
230 sint8 ACC (RW, winddir); /* direction of wind */
231 sint8 ACC (RW, sky); /* sky conditions */
232 int ACC (RW, worldpartx), ACC (RW, worldparty); /*Highly fasten conversion between worldmap and weathermap */
233 struct shopitems *shopitems; /* a semi-colon seperated list of item-types the map's shop will trade in */ 298 struct shopitems *shopitems; /* a semi-colon seperated list of item-types the map's shop will trade in */
234 shstr ACC (RW, shoprace); /* the preffered race of the local shopkeeper */ 299 shstr ACC (RW, shoprace); /* the preffered race of the local shopkeeper */
235 double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */ 300 double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */
236 sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */ 301 sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */
237 sint64 ACC (RW, shopmax); /* maximum price a shop will offer */ 302 sint64 ACC (RW, shopmax); /* maximum price a shop will offer */
238 shstr ACC (RW, msg); /* Message map creator may have left */ 303 shstr ACC (RW, msg); /* Message map creator may have left */
239 shstr ACC (RW, maplore); /* Map lore information */ 304 shstr ACC (RW, maplore); /* Map lore information */
240 shstr ACC (RW, tile_path[4]); /* path to adjoining maps */ 305 shstr ACC (RW, tile_path[TILE_NUM]); /* path to adjoining maps */
241 maptile *ACC (RW, tile_map[4]); /* Next map, linked list */ 306 maptile *ACC (RW, tile_map[TILE_NUM]); /* Next map, linked list */
242 shstr ACC (RW, path); /* Filename of the map */ 307 shstr ACC (RW, path); /* Filename of the map */
243 int ACC (RW, max_nrof); // maximum nrof of any single item on a mapspace
244 uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace 308 uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace
309 int ACC (RW, max_items); // maximum number of items on a mapspace
310
311//-GPL
312
313 physics_queue pq[PHYSICS_QUEUES];
314 MTH void queue_physics (object *ob);
315 MTH void queue_physics_at (int x, int y);
316 MTH void post_load_physics ();
317 MTH int run_physics (tick_t tick, int max_objects);
318
319 // the maptile:: is neccessary here for the perl interface to work
320 MTH sint8 darklevel (sint8 outside = maptile::outdoor_darkness) const
321 {
322 return clamp (outdoor ? darkness + outside : darkness, 0, MAX_DARKNESS);
323 }
324
325 static void adjust_daylight ();
245 326
246 MTH void activate (); 327 MTH void activate ();
247 MTH void deactivate (); 328 MTH void deactivate ();
248 329
249 // allocates all (empty) mapspace 330 // allocates all (empty) mapspace
250 MTH void alloc (); 331 MTH void alloc ();
251 // deallocates the mapspaces (and destroys all objects) 332 // deallocates the mapspaces (and destroys all objects)
252 MTH void clear (); 333 MTH void clear ();
253 334
335 MTH void post_load (); // update cached values in mapspaces etc.
254 MTH void fix_auto_apply (); 336 MTH void fix_auto_apply ();
255 MTH void do_decay_objects (); 337 MTH void do_decay_objects ();
256 MTH void update_buttons (); 338 MTH void update_buttons ();
257 MTH int change_map_light (int change); 339 MTH int change_map_light (int change);
258 static void change_all_map_light (int change); //PERL
259 MTH void set_darkness_map ();
260 MTH int estimate_difficulty () const; 340 MTH int estimate_difficulty () const;
261 341
262 MTH void play_sound (faceidx sound, int x, int y) const; 342 MTH void play_sound (faceidx sound, int x, int y) const;
343 MTH void say_msg (const_utf8_string msg, int x, int y) const;
344
345 // connected links
346 oblinkpt *find_link (shstr_tmp id);
347 MTH void trigger (shstr_tmp id, int state = 1, object *activator = 0, object *originator = 0);
263 348
264 // set the given flag on all objects in the map 349 // set the given flag on all objects in the map
265 MTH void set_object_flag (int flag, int value = 1); 350 MTH void set_object_flag (int flag, int value = 1);
351 MTH void post_load_original ();
266 352
267 MTH void link_multipart_objects (); 353 MTH void link_multipart_objects ();
268 MTH void clear_unique_items (); 354 MTH void clear_unique_items ();
269 355
270 MTH void clear_header (); 356 MTH void clear_header ();
280 bool _load_objects (object_thawer &thawer); 366 bool _load_objects (object_thawer &thawer);
281 MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); } 367 MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); }
282 368
283 // save objects into the given file (uses IO_ flags) 369 // save objects into the given file (uses IO_ flags)
284 bool _save_objects (object_freezer &freezer, int flags); 370 bool _save_objects (object_freezer &freezer, int flags);
285 MTH bool _save_objects (const char *path, int flags); 371 MTH bool _save_objects (const_octet_string path, int flags);
286 372
287 // save the header pseudo object _only_ 373 // save the header pseudo object _only_
288 bool _save_header (object_freezer &freezer); 374 bool _save_header (object_freezer &freezer);
289 MTH bool _save_header (const char *path); 375 MTH bool _save_header (const_octet_string path);
290 376
291 maptile (); 377 maptile ();
292 maptile (int w, int h); 378 maptile (int w, int h);
379 void init ();
293 ~maptile (); 380 ~maptile ();
294 381
295 void do_destroy (); 382 void do_destroy ();
296 void gather_callbacks (AV *&callbacks, event_type event) const; 383 void gather_callbacks (AV *&callbacks, event_type event) const;
297 384
385 MTH bool linkable () { return state >= MAP_INACTIVE; }
386
298 MTH int size () const { return width * height; } 387 MTH int size () const { return width * height; }
299 388
300 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); 389 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0);
301 390
302 MTH void touch () { last_access = runtime; } 391 MTH void touch () { last_access = runtime; }
303 392
304 MTH bool tile_available (int dir, bool load = true); 393 MTH maptile *tile_available (int dir, bool load = true);
305 394
306 // find the map that is at coordinate x|y relative to this map 395 // find the map that is at coordinate x|y relative to this map
307 // TODO: need a better way than passing by reference 396 // TODO: need a better way than passing by reference
308 // TODO: make perl interface 397 // TODO: make perl interface
309 maptile *xy_find (sint16 &x, sint16 &y); 398 maptile *xy_find (sint16 &x, sint16 &y);
318 { 407 {
319 if (!spaces) 408 if (!spaces)
320 do_load_sync (); 409 do_load_sync ();
321 } 410 }
322 411
323 void make_map_floor (char **layout, char *floorstyle, random_map_params *RP); 412 void make_map_floor (char **layout, const char *floorstyle, random_map_params *RP);
324 bool generate_random_map (random_map_params *RP); 413 bool generate_random_map (random_map_params *RP);
325 414
326 static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL 415 static maptile *find_async (const_utf8_string path, maptile *original = 0, bool load = true);//PERL
327 static maptile *find_sync (const char *path, maptile *original = 0);//PERL 416 static maptile *find_sync (const_utf8_string path, maptile *original = 0);//PERL
328 static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL 417 static maptile *find_style_sync (const_utf8_string dir, const_utf8_string file = 0);//PERL
329 MTH object *pick_random_object () const; 418 object *pick_random_object (rand_gen &gen = rndm) const;
330 419
331 mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } 420 mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; }
332 mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; } 421
422 // return an array of maprects corresponding
423 // to the given rectangular area. the last rect will have
424 // a 0 map pointer.
425 maprect *split_to_tiles (dynbuf &buf, int x0, int y0, int x1, int y1);
426
427 MTH bool is_in_shop (int x, int y) const;
333}; 428};
429
430inline bool
431object::is_in_shop () const
432{
433 return is_on_map ()
434 && map->is_in_shop (x, y);
435}
436
437//+GPL
334 438
335/* This is used by get_rangevector to determine where the other 439/* This is used by get_rangevector to determine where the other
336 * creature is. get_rangevector takes into account map tiling, 440 * creature is. get_rangevector takes into account map tiling,
337 * so you just can not look the the map coordinates and get the 441 * so you just can not look the the map coordinates and get the
338 * righte value. distance_x/y are distance away, which 442 * righte value. distance_x/y are distance away, which
355// and so on. 459// and so on.
356int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); 460int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny);
357int out_of_map (maptile *m, int x, int y); 461int out_of_map (maptile *m, int x, int y);
358maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); 462maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y);
359void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); 463void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags);
360void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); 464void get_rangevector_from_mapcoord (maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags = 0 /*unused*/);
361int on_same_map (const object *op1, const object *op2); 465int on_same_map (const object *op1, const object *op2);
362int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); 466int adjacent_map (maptile *map1, maptile *map2, int *dx, int *dy);
363 467
364// adjust map, x and y for tiled maps and return true if the position is valid at all 468// adjust map, x and y for tiled maps and return true if the position is valid at all
365static inline bool 469static inline bool
366xy_normalise (maptile *&map, sint16 &x, sint16 &y) 470xy_normalise (maptile *&map, sint16 &x, sint16 &y)
367{ 471{
370 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) 474 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height))
371 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); 475 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP);
372} 476}
373// comaptibility cruft end 477// comaptibility cruft end
374 478
479//-GPL
480
375inline mapspace & 481inline mapspace &
376object::ms () const 482object::ms () const
377{ 483{
378 return map->at (x, y); 484 return map->at (x, y);
379} 485}
388 494
389 mapxy (object *op) 495 mapxy (object *op)
390 : m(op->map), x(op->x), y(op->y) 496 : m(op->map), x(op->x), y(op->y)
391 { } 497 { }
392 498
499 mapxy &move (int dx, int dy)
500 {
501 x += dx;
502 y += dy;
503
504 return *this;
505 }
506
393 mapxy &move (int dir) 507 mapxy &move (int dir)
394 { 508 {
395 x += freearr_x [dir]; 509 return move (freearr_x [dir], freearr_y [dir]);
396 y += freearr_y [dir];
397
398 return *this;
399 } 510 }
400 511
401 operator void *() const { return (void *)m; } 512 operator void *() const { return (void *)m; }
402 mapxy &operator =(const object *op) 513 mapxy &operator =(const object *op)
403 { 514 {
414 bool normalise () 525 bool normalise ()
415 { 526 {
416 return xy_normalise (m, x, y); 527 return xy_normalise (m, x, y);
417 } 528 }
418 529
530 mapspace &ms () const
531 {
532 return m->at (x, y);
533 }
534
419 object *insert (object *op, object *originator = 0, int flags = 0) const 535 object *insert (object *op, object *originator = 0, int flags = 0) const
420 { 536 {
421 m->insert (op, x, y, originator, flags); 537 return m->insert (op, x, y, originator, flags);
422 } 538 }
423}; 539};
424 540
425inline const mapxy & 541inline const mapxy &
426object::operator =(const mapxy &pos) 542object::operator =(const mapxy &pos)
430 y = pos.y; 546 y = pos.y;
431 547
432 return pos; 548 return pos;
433} 549}
434 550
551// iterate over a rectangular area relative to op
552// can be used as a single statement, but both iterate macros
553// invocations must not be followed by a ";"
554// see common/los.C for usage example
555// the walk will be ordered, outer loop x, inner loop y
556// m will be set to the map (or 0), nx, ny to the map coord, dx, dy to the offset relative to op
557// "continue" will skip to the next space
558#define ordered_mapwalk_begin(op,dx0,dy0,dx1,dy1) \
559 for (int dx = (dx0); dx <= (dx1); ++dx) \
560 { \
561 sint16 nx, ny; \
562 maptile *m = 0; \
563 \
564 for (int dy = (dy0); dy <= (dy1); ++dy) \
565 { \
566 /* check to see if we can simply go one down quickly, */ \
567 /* if not, do it the slow way */ \
568 if (!m || ++ny >= m->height) \
569 { \
570 nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \
571 \
572 if (!xy_normalise (m, nx, ny)) \
573 m = 0; \
574 }
575
576#define ordered_mapwalk_end \
577 } \
578 }
579
580extern dynbuf mapwalk_buf; // can be used in simple non-recursive situations
581
582// loop over every space in the given maprect,
583// setting m, nx, ny to the map and -coordinate and dx, dy to the offset relative to dx0,dy0
584// the iterator code must be a single statement following this macro call, similar to "if"
585// "continue" will skip to the next space
586#define rect_mapwalk(rect,dx0,dy0) \
587 statementvar (maptile *, m, (rect)->m) \
588 for (int nx = (rect)->x0; nx < (rect)->x1; ++nx) \
589 for (int ny = (rect)->y0; ny < (rect)->y1; ++ny) \
590 statementvar (int, dx, nx + (rect)->dx - (dx0)) \
591 statementvar (int, dy, ny + (rect)->dy - (dy0))
592
593// same as ordered_mapwalk, but the walk will not follow any particular
594// order (unorded), but is likely faster.
595// m will be set to the map (never 0!), nx, ny to the map coord, dx, dy to the offset relative to op
596// "continue" will skip to the next space
597#define unordered_mapwalk_at(buf,map,ox,oy,dx0,dy0,dx1,dy1) \
598 for (maprect *r_e_c_t = (map)->split_to_tiles (buf, \
599 (ox) + (dx0) , (oy) + (dy0) , \
600 (ox) + (dx1) + 1, (oy) + (dy1) + 1); \
601 r_e_c_t->m; \
602 ++r_e_c_t) \
603 rect_mapwalk (r_e_c_t, (ox), (oy))
604
605#define unordered_mapwalk(buf,op,dx0,dy0,dx1,dy1) \
606 unordered_mapwalk_at (buf,op->map, op->x, op->y, dx0, dy0, dx1, dy1)
607
435#endif 608#endif
436 609

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