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Comparing deliantra/server/include/map.h (file contents):
Revision 1.81 by root, Wed Aug 1 01:53:13 2007 UTC vs.
Revision 1.100 by root, Tue Dec 23 00:39:48 2008 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002-2005,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002-2005,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 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
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your 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,
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 GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 22 */
23 23
24/* 24/*
25 * The maptile is allocated each time a new map is opened. 25 * The maptile is allocated each time a new map is opened.
26 * It contains pointers (very indirectly) to all objects on the map. 26 * It contains pointers (very indirectly) to all objects on the map.
47#define MAGIC_MAP_SIZE 50 47#define MAGIC_MAP_SIZE 50
48#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2 48#define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2
49 49
50#define MAP_LAYERS 3 50#define MAP_LAYERS 3
51 51
52/* Values for in_memory below. Should probably be an enumerations */ 52/* Values for in_memory below */
53enum { 53enum {
54 MAP_IN_MEMORY, 54 MAP_ACTIVE,
55 MAP_INACTIVE, // not used atm.
55 MAP_SWAPPED, 56 MAP_SWAPPED,
56 MAP_LOADING, 57 MAP_LOADING,
57 MAP_SAVING, 58 MAP_SAVING,
58}; 59};
59 60
62 * where it is known the map is not tiled or the values are known 63 * where it is known the map is not tiled or the values are known
63 * consistent (eg, op->map, op->x, op->y) 64 * consistent (eg, op->map, op->x, op->y)
64 */ 65 */
65// all those macros are herewith declared legacy 66// all those macros are herewith declared legacy
66#define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags () 67#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 68#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 69#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] 70#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 71#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 72#define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow
103 */ 103 */
104#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ 104#define P_OUT_OF_MAP 0x10000 /* This space is outside the map */
105#define P_NEW_MAP 0x20000 105#define P_NEW_MAP 0x20000
106 /* Coordinates passed result in a new tiled map */ 106 /* Coordinates passed result in a new tiled map */
107 107
108/* P_NO_PASS is used for ob_blocked() return value. It needs
109 * to be here to make sure the bits don't match with anything.
110 */
111#define P_NO_PASS 0x80000
112
113/* Instead of having numerous arrays that have information on a 108/* Instead of having numerous arrays that have information on a
114 * particular space (was map, floor, floor2, map_ob), 109 * particular space (was map, floor, floor2, map_ob),
115 * have this structure take care of that information. 110 * have this structure take care of that information.
116 * This puts it all in one place, and should also make it easier 111 * This puts it all in one place, and should also make it easier
117 * to extend information about a space. 112 * to extend information about a space.
118 */ 113 */
114INTERFACE_CLASS (mapspace)
119struct mapspace 115struct mapspace
120{ 116{
117 object *ACC (RW, bot);
121 object *bot, *top; /* lowest/highest object on this space */ 118 object *ACC (RW, top); /* lowest/highest object on this space */
122 object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ 119 object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */
123 uint8 flags_; /* flags about this space (see the P_ values above) */ 120 uint8 flags_; /* flags about this space (see the P_ values above) */
124 sint8 light; /* How much light this space provides */ 121 sint8 ACC (RW, light); /* How much light this space provides */
125 MoveType move_block; /* What movement types this space blocks */ 122 MoveType ACC (RW, move_block); /* What movement types this space blocks */
126 MoveType move_slow; /* What movement types this space slows */ 123 MoveType ACC (RW, move_slow); /* What movement types this space slows */
127 MoveType move_on; /* What movement types are activated */ 124 MoveType ACC (RW, move_on); /* What movement types are activated */
128 MoveType move_off; /* What movement types are activated */ 125 MoveType ACC (RW, move_off); /* What movement types are activated */
129 126
130 void update_ (); 127 void update_ ();
131 void update () 128 MTH void update ()
132 { 129 {
133 if (!(flags_ & P_UPTODATE)) 130 if (!(flags_ & P_UPTODATE))
134 update_ (); 131 update_ ();
135 } 132 }
136 133
137 uint8 flags () 134 MTH uint8 flags ()
138 { 135 {
139 update (); 136 update ();
140 return flags_; 137 return flags_;
141 } 138 }
139
140 MTH void invalidate ()
141 {
142 flags_ = 0;
143 }
142 144
143 // maybe only inline quick flags_ checking?
144 object *player () 145 MTH object *player ()
145 { 146 {
146 // search from the top, because players are usually on top 147 object *op;
147 // make usually == always and this non-amortized O(1) 148
148 // could gte rid of P_PLAYER, too, then
149 if (flags () & P_PLAYER) 149 if (flags () & P_PLAYER)
150 for (object *op = top; op; op = op->below) 150 for (op = top; op->type != PLAYER; op = op->below)
151 if (op->type == PLAYER) 151 ;
152 return op; 152 else
153 op = 0;
153 154
154 return 0; 155 return op;
155 } 156 }
156 157
157 // return the item volume on this mapspace in cm³ 158 // return the item volume on this mapspace in cm³
158 uint64 volume () const; 159 MTH uint64 volume () const;
160
161 bool blocks (MoveType mt) const
162 {
163 return move_block && (mt & move_block) == mt;
164 }
165
166 bool blocks (object *op) const
167 {
168 return blocks (op->move_type);
169 }
159}; 170};
160 171
161struct shopitems : zero_initialised 172struct shopitems : zero_initialised
162{ 173{
163 const char *name; /* name of the item in question, null if it is the default item */ 174 const char *name; /* name of the item in question, null if it is the default item */
212 * be loaded before used. The map,omap and map_ob 223 * be loaded before used. The map,omap and map_ob
213 * arrays will be allocated when the map is loaded */ 224 * arrays will be allocated when the map is loaded */
214 sint16 players; /* How many players are on this map right now */ 225 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 */ 226 uint16 ACC (RW, difficulty); /* What level the player should be to play here */
216 227
217 bool ACC (RW, active); // wether this map is active or not
218 bool ACC (RW, per_player); 228 bool ACC (RW, per_player);
219 bool ACC (RW, per_party); 229 bool ACC (RW, per_party);
220 bool ACC (RW, outdoor); /* True if an outdoor map */ 230 bool ACC (RW, outdoor); /* True if an outdoor map */
221 bool ACC (RW, nodrop); /* avoid dropping anything on this map */ 231 bool ACC (RW, no_drop); /* avoid auto-dropping (on death) anything on this map */
222 uint8 ACC (RW, darkness); /* indicates level of darkness of map */ 232 uint8 ACC (RW, darkness); /* indicates level of darkness of map */
223 233
224 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ 234 uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */
225 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */ 235 uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */
226 oblinkpt *buttons; /* Linked list of linked lists of buttons */ 236 oblinkpt *buttons; /* Linked list of linked lists of buttons */
262 272
263 MTH void play_sound (faceidx sound, int x, int y) const; 273 MTH void play_sound (faceidx sound, int x, int y) const;
264 274
265 // set the given flag on all objects in the map 275 // set the given flag on all objects in the map
266 MTH void set_object_flag (int flag, int value = 1); 276 MTH void set_object_flag (int flag, int value = 1);
277 MTH void post_load_original ();
267 278
268 MTH void link_multipart_objects (); 279 MTH void link_multipart_objects ();
269 MTH void clear_unique_items (); 280 MTH void clear_unique_items ();
270 281
271 MTH void clear_header (); 282 MTH void clear_header ();
272 MTH void clear_links_to (maptile *m); 283 MTH void clear_links_to (maptile *m);
273 284
274 MTH struct region *region (int x, int y) const; 285 MTH struct region *region (int x, int y) const;
275 286
276 // loas the header pseudo-object 287 // load the header pseudo-object
277 bool _load_header (object_thawer &thawer); 288 bool _load_header (object_thawer &thawer);
278 MTH bool _load_header (const char *path); 289 MTH bool _load_header (object_thawer *thawer) { return _load_header (*thawer); }
279 290
280 // load objects into the map 291 // load objects into the map
281 bool _load_objects (object_thawer &thawer); 292 bool _load_objects (object_thawer &thawer);
282 MTH bool _load_objects (const char *path, bool skip_header = true); 293 MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); }
283 294
284 // save objects into the given file (uses IO_ flags) 295 // save objects into the given file (uses IO_ flags)
285 bool _save_objects (object_freezer &freezer, int flags); 296 bool _save_objects (object_freezer &freezer, int flags);
286 MTH bool _save_objects (const char *path, int flags); 297 MTH bool _save_objects (const char *path, int flags);
287 298
299 MTH int size () const { return width * height; } 310 MTH int size () const { return width * height; }
300 311
301 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); 312 MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0);
302 313
303 MTH void touch () { last_access = runtime; } 314 MTH void touch () { last_access = runtime; }
315
316 MTH bool tile_available (int dir, bool load = true);
304 317
305 // find the map that is at coordinate x|y relative to this map 318 // find the map that is at coordinate x|y relative to this map
306 // TODO: need a better way than passing by reference 319 // TODO: need a better way than passing by reference
307 // TODO: make perl interface 320 // TODO: make perl interface
308 maptile *xy_find (sint16 &x, sint16 &y); 321 maptile *xy_find (sint16 &x, sint16 &y);
320 } 333 }
321 334
322 void make_map_floor (char **layout, char *floorstyle, random_map_params *RP); 335 void make_map_floor (char **layout, char *floorstyle, random_map_params *RP);
323 bool generate_random_map (random_map_params *RP); 336 bool generate_random_map (random_map_params *RP);
324 337
325 static maptile *find_async (const char *path, maptile *original = 0);//PERL 338 static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL
326 static maptile *find_sync (const char *path, maptile *original = 0);//PERL 339 static maptile *find_sync (const char *path, maptile *original = 0);//PERL
327 static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL 340 static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL
328 MTH object *pick_random_object () const; 341 object *pick_random_object (rand_gen &gen = rndm) const;
329 342
330 mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } 343 mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; }
331 mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; }
332}; 344};
333 345
334/* This is used by get_rangevector to determine where the other 346/* This is used by get_rangevector to determine where the other
335 * creature is. get_rangevector takes into account map tiling, 347 * creature is. get_rangevector takes into account map tiling,
336 * so you just can not look the the map coordinates and get the 348 * so you just can not look the the map coordinates and get the
347 int distance_y; 359 int distance_y;
348 int direction; 360 int direction;
349 object *part; 361 object *part;
350}; 362};
351 363
364// comaptibility cruft start
352//TODO: these should be refactored into things like xy_normalise 365//TODO: these should be refactored into things like xy_normalise
353// and so on. 366// and so on.
354int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); 367int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny);
355int ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y);
356int out_of_map (maptile *m, int x, int y); 368int out_of_map (maptile *m, int x, int y);
357maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); 369maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y);
358void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); 370void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags);
359void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); 371void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags);
360int on_same_map (const object *op1, const object *op2); 372int on_same_map (const object *op1, const object *op2);
361int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); 373int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy);
362 374
363// adjust map, x and y for tiled maps and return true if the position is valid at all 375// adjust map, x and y for tiled maps and return true if the position is valid at all
364inline bool 376static inline bool
365xy_normalise (maptile *&map, sint16 &x, sint16 &y) 377xy_normalise (maptile *&map, sint16 &x, sint16 &y)
366{ 378{
367 // when in range, do a quick return, otherwise go the slow route 379 // when in range, do a quick return, otherwise go the slow route
368 return 380 return
369 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) 381 (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height))
370 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); 382 || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP);
371} 383}
384// comaptibility cruft end
372 385
373inline mapspace & 386inline mapspace &
374object::ms () const 387object::ms () const
375{ 388{
376 return map->at (x, y); 389 return map->at (x, y);
377} 390}
378 391
379inline void 392struct mapxy {
380object::play_sound (faceidx sound) const 393 maptile *m;
394 sint16 x, y;
395
396 mapxy (maptile *m, sint16 x, sint16 y)
397 : m(m), x(x), y(y)
398 { }
399
400 mapxy (object *op)
401 : m(op->map), x(op->x), y(op->y)
402 { }
403
404 mapxy &move (int dx, int dy)
405 {
406 x += dx;
407 y += dy;
408
409 return *this;
410 }
411
412 mapxy &move (int dir)
413 {
414 return move (freearr_x [dir], freearr_y [dir]);
415 }
416
417 operator void *() const { return (void *)m; }
418 mapxy &operator =(const object *op)
419 {
420 m = op->map;
421 x = op->x;
422 y = op->y;
423
424 return *this;
425 }
426
427 mapspace *operator ->() const { return &m->at (x, y); }
428 mapspace &operator * () const { return m->at (x, y); }
429
430 bool normalise ()
431 {
432 return xy_normalise (m, x, y);
433 }
434
435 mapspace &ms () const
436 {
437 return m->at (x, y);
438 }
439
440 object *insert (object *op, object *originator = 0, int flags = 0) const
441 {
442 return m->insert (op, x, y, originator, flags);
443 }
444};
445
446inline const mapxy &
447object::operator =(const mapxy &pos)
381{ 448{
382 if (map && sound) 449 map = pos.m;
383 map->play_sound (sound, x, y); 450 x = pos.x;
451 y = pos.y;
452
453 return pos;
384} 454}
385 455
386#endif 456#endif
387 457

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