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, |
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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. |
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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 | // tile map index |
53 | enum { |
53 | enum { |
54 | MAP_IN_MEMORY, |
54 | TILE_UP = 0, |
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55 | TILE_RIGHT = 1, |
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56 | TILE_DOWN = 2, |
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57 | TILE_LEFT = 3, |
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58 | }; |
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59 | |
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60 | /* Values for in_memory below */ |
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61 | enum { |
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62 | MAP_ACTIVE, |
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63 | MAP_INACTIVE, // not used atm. |
55 | MAP_SWAPPED, |
64 | MAP_SWAPPED, |
56 | MAP_LOADING, |
65 | MAP_LOADING, |
57 | MAP_SAVING, |
66 | MAP_SAVING, |
58 | }; |
67 | }; |
59 | |
68 | |
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62 | * where it is known the map is not tiled or the values are known |
71 | * where it is known the map is not tiled or the values are known |
63 | * consistent (eg, op->map, op->x, op->y) |
72 | * consistent (eg, op->map, op->x, op->y) |
64 | */ |
73 | */ |
65 | // all those macros are herewith declared legacy |
74 | // all those macros are herewith declared legacy |
66 | #define GET_MAP_FLAGS(M,X,Y) (M)->at((X),(Y)).flags () |
75 | #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 |
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68 | #define GET_MAP_OB(M,X,Y) (M)->at((X),(Y)).bot |
76 | #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 |
77 | #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] |
78 | #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 |
79 | #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 |
80 | #define GET_MAP_MOVE_SLOW(M,X,Y) (M)->at((X),(Y)).move_slow |
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103 | */ |
111 | */ |
104 | #define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ |
112 | #define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ |
105 | #define P_NEW_MAP 0x20000 |
113 | #define P_NEW_MAP 0x20000 |
106 | /* Coordinates passed result in a new tiled map */ |
114 | /* Coordinates passed result in a new tiled map */ |
107 | |
115 | |
108 | /* P_NO_PASS is used for ob_blocked() return value. It needs |
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109 | * to be here to make sure the bits don't match with anything. |
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110 | */ |
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111 | #define P_NO_PASS 0x80000 |
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112 | |
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113 | /* Instead of having numerous arrays that have information on a |
116 | /* Instead of having numerous arrays that have information on a |
114 | * particular space (was map, floor, floor2, map_ob), |
117 | * particular space (was map, floor, floor2, map_ob), |
115 | * have this structure take care of that information. |
118 | * have this structure take care of that information. |
116 | * This puts it all in one place, and should also make it easier |
119 | * This puts it all in one place, and should also make it easier |
117 | * to extend information about a space. |
120 | * to extend information about a space. |
118 | */ |
121 | */ |
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122 | INTERFACE_CLASS (mapspace) |
119 | struct mapspace |
123 | struct mapspace |
120 | { |
124 | { |
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125 | object *ACC (RW, bot); |
121 | object *bot, *top; /* lowest/highest object on this space */ |
126 | object *ACC (RW, top); /* lowest/highest object on this space */ |
122 | object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ |
127 | 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) */ |
128 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
124 | sint8 light; /* How much light this space provides */ |
129 | sint8 ACC (RW, light); /* How much light this space provides */ |
125 | MoveType move_block; /* What movement types this space blocks */ |
130 | MoveType ACC (RW, move_block); /* What movement types this space blocks */ |
126 | MoveType move_slow; /* What movement types this space slows */ |
131 | MoveType ACC (RW, move_slow); /* What movement types this space slows */ |
127 | MoveType move_on; /* What movement types are activated */ |
132 | MoveType ACC (RW, move_on); /* What movement types are activated */ |
128 | MoveType move_off; /* What movement types are activated */ |
133 | MoveType ACC (RW, move_off); /* What movement types are activated */ |
129 | |
134 | |
130 | void update_ (); |
135 | void update_ (); |
131 | void update () |
136 | MTH void update () |
132 | { |
137 | { |
133 | if (!(flags_ & P_UPTODATE)) |
138 | if (!(flags_ & P_UPTODATE)) |
134 | update_ (); |
139 | update_ (); |
135 | } |
140 | } |
136 | |
141 | |
137 | uint8 flags () |
142 | MTH uint8 flags () |
138 | { |
143 | { |
139 | update (); |
144 | update (); |
140 | return flags_; |
145 | return flags_; |
141 | } |
146 | } |
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147 | |
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148 | MTH void invalidate () |
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149 | { |
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150 | flags_ = 0; |
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151 | } |
142 | |
152 | |
143 | // maybe only inline quick flags_ checking? |
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144 | object *player () |
153 | MTH object *player () |
145 | { |
154 | { |
146 | // search from the top, because players are usually on top |
155 | object *op; |
147 | // make usually == always and this non-amortized O(1) |
156 | |
148 | // could gte rid of P_PLAYER, too, then |
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149 | if (flags () & P_PLAYER) |
157 | if (flags () & P_PLAYER) |
150 | for (object *op = top; op; op = op->below) |
158 | for (op = top; op->type != PLAYER; op = op->below) |
151 | if (op->type == PLAYER) |
159 | ; |
152 | return op; |
160 | else |
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161 | op = 0; |
153 | |
162 | |
154 | return 0; |
163 | return op; |
155 | } |
164 | } |
156 | |
165 | |
157 | // return the item volume on this mapspace in cm³ |
166 | // return the item volume on this mapspace in cm³ |
158 | uint64 volume () const; |
167 | MTH uint64 volume () const; |
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168 | |
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169 | bool blocks (MoveType mt) const |
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170 | { |
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171 | return move_block && (mt & move_block) == mt; |
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172 | } |
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173 | |
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174 | bool blocks (object *op) const |
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175 | { |
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176 | return blocks (op->move_type); |
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177 | } |
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178 | }; |
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179 | |
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180 | // a rectangular area of a map |
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181 | struct maprect |
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182 | { |
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183 | maptile *m; |
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184 | int x0, y0; |
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185 | int x1, y1; |
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186 | int dx, dy; // offset to go from local coordinates to original tile */ |
159 | }; |
187 | }; |
160 | |
188 | |
161 | struct shopitems : zero_initialised |
189 | struct shopitems : zero_initialised |
162 | { |
190 | { |
163 | const char *name; /* name of the item in question, null if it is the default item */ |
191 | const char *name; /* name of the item in question, null if it is the default item */ |
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215 | uint16 ACC (RW, difficulty); /* What level the player should be to play here */ |
243 | uint16 ACC (RW, difficulty); /* What level the player should be to play here */ |
216 | |
244 | |
217 | bool ACC (RW, per_player); |
245 | bool ACC (RW, per_player); |
218 | bool ACC (RW, per_party); |
246 | bool ACC (RW, per_party); |
219 | bool ACC (RW, outdoor); /* True if an outdoor map */ |
247 | bool ACC (RW, outdoor); /* True if an outdoor map */ |
220 | bool ACC (RW, nodrop); /* avoid dropping anything on this map */ |
248 | 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 */ |
249 | sint8 ACC (RW, darkness); /* indicates level of darkness of map */ |
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250 | static sint8 outdoor_darkness; /* the global darkness level outside */ |
222 | |
251 | |
223 | uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ |
252 | 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 */ |
253 | 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 */ |
254 | oblinkpt *buttons; /* Linked list of linked lists of buttons */ |
226 | sint16 ACC (RW, temp); /* base temperature of this tile (F) */ |
255 | sint16 ACC (RW, temp); /* base temperature of this tile (F) */ |
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241 | maptile *ACC (RW, tile_map[4]); /* Next map, linked list */ |
270 | maptile *ACC (RW, tile_map[4]); /* Next map, linked list */ |
242 | shstr ACC (RW, path); /* Filename of the map */ |
271 | shstr ACC (RW, path); /* Filename of the map */ |
243 | int ACC (RW, max_nrof); // maximum nrof of any single item on a mapspace |
272 | 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 |
273 | uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace |
245 | |
274 | |
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275 | // the maptile:: is neccessary here for the perl interface to work |
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276 | MTH sint8 darklevel (sint8 outside = maptile::outdoor_darkness) const |
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277 | { |
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278 | return clamp (outdoor ? darkness + outside : darkness, 0, MAX_DARKNESS); |
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279 | } |
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280 | |
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281 | static void adjust_daylight (); |
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282 | |
246 | MTH void activate (); |
283 | MTH void activate (); |
247 | MTH void deactivate (); |
284 | MTH void deactivate (); |
248 | |
285 | |
249 | // allocates all (empty) mapspace |
286 | // allocates all (empty) mapspace |
250 | MTH void alloc (); |
287 | MTH void alloc (); |
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253 | |
290 | |
254 | MTH void fix_auto_apply (); |
291 | MTH void fix_auto_apply (); |
255 | MTH void do_decay_objects (); |
292 | MTH void do_decay_objects (); |
256 | MTH void update_buttons (); |
293 | MTH void update_buttons (); |
257 | MTH int change_map_light (int change); |
294 | MTH int change_map_light (int change); |
258 | static void change_all_map_light (int change); //PERL |
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259 | MTH void set_darkness_map (); |
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260 | MTH int estimate_difficulty () const; |
295 | MTH int estimate_difficulty () const; |
261 | |
296 | |
262 | MTH void play_sound (faceidx sound, int x, int y) const; |
297 | MTH void play_sound (faceidx sound, int x, int y) const; |
263 | |
298 | |
264 | // set the given flag on all objects in the map |
299 | // set the given flag on all objects in the map |
265 | MTH void set_object_flag (int flag, int value = 1); |
300 | MTH void set_object_flag (int flag, int value = 1); |
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301 | MTH void post_load_original (); |
266 | |
302 | |
267 | MTH void link_multipart_objects (); |
303 | MTH void link_multipart_objects (); |
268 | MTH void clear_unique_items (); |
304 | MTH void clear_unique_items (); |
269 | |
305 | |
270 | MTH void clear_header (); |
306 | MTH void clear_header (); |
271 | MTH void clear_links_to (maptile *m); |
307 | MTH void clear_links_to (maptile *m); |
272 | |
308 | |
273 | MTH struct region *region (int x, int y) const; |
309 | MTH struct region *region (int x, int y) const; |
274 | |
310 | |
275 | // loas the header pseudo-object |
311 | // load the header pseudo-object |
276 | bool _load_header (object_thawer &thawer); |
312 | bool _load_header (object_thawer &thawer); |
277 | MTH bool _load_header (const char *path); |
313 | MTH bool _load_header (object_thawer *thawer) { return _load_header (*thawer); } |
278 | |
314 | |
279 | // load objects into the map |
315 | // load objects into the map |
280 | bool _load_objects (object_thawer &thawer); |
316 | bool _load_objects (object_thawer &thawer); |
281 | MTH bool _load_objects (const char *path, bool skip_header = true); |
317 | MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); } |
282 | |
318 | |
283 | // save objects into the given file (uses IO_ flags) |
319 | // save objects into the given file (uses IO_ flags) |
284 | bool _save_objects (object_freezer &freezer, int flags); |
320 | bool _save_objects (object_freezer &freezer, int flags); |
285 | MTH bool _save_objects (const char *path, int flags); |
321 | MTH bool _save_objects (const char *path, int flags); |
286 | |
322 | |
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299 | |
335 | |
300 | MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); |
336 | MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); |
301 | |
337 | |
302 | MTH void touch () { last_access = runtime; } |
338 | MTH void touch () { last_access = runtime; } |
303 | |
339 | |
304 | MTH bool tile_available (int dir, bool load = true); |
340 | MTH maptile *tile_available (int dir, bool load = true); |
305 | |
341 | |
306 | // find the map that is at coordinate x|y relative to this map |
342 | // find the map that is at coordinate x|y relative to this map |
307 | // TODO: need a better way than passing by reference |
343 | // TODO: need a better way than passing by reference |
308 | // TODO: make perl interface |
344 | // TODO: make perl interface |
309 | maptile *xy_find (sint16 &x, sint16 &y); |
345 | maptile *xy_find (sint16 &x, sint16 &y); |
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324 | bool generate_random_map (random_map_params *RP); |
360 | bool generate_random_map (random_map_params *RP); |
325 | |
361 | |
326 | static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL |
362 | static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL |
327 | static maptile *find_sync (const char *path, maptile *original = 0);//PERL |
363 | static maptile *find_sync (const char *path, maptile *original = 0);//PERL |
328 | static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL |
364 | static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL |
329 | MTH object *pick_random_object () const; |
365 | object *pick_random_object (rand_gen &gen = rndm) const; |
330 | |
366 | |
331 | mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } |
367 | mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } |
332 | mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; } |
368 | |
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369 | // return an array of maprects corresponding |
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370 | // to the given rectangular area. the last rect will have |
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371 | // a 0 map pointer. |
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372 | // the array will be stored in a static memory area, |
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373 | // so recursion is not atm. supported |
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374 | maprect *split_to_tiles (int x0, int y0, int x1, int y1); |
333 | }; |
375 | }; |
334 | |
376 | |
335 | /* This is used by get_rangevector to determine where the other |
377 | /* This is used by get_rangevector to determine where the other |
336 | * creature is. get_rangevector takes into account map tiling, |
378 | * creature is. get_rangevector takes into account map tiling, |
337 | * so you just can not look the the map coordinates and get the |
379 | * so you just can not look the the map coordinates and get the |
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348 | int distance_y; |
390 | int distance_y; |
349 | int direction; |
391 | int direction; |
350 | object *part; |
392 | object *part; |
351 | }; |
393 | }; |
352 | |
394 | |
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395 | // comaptibility cruft start |
353 | //TODO: these should be refactored into things like xy_normalise |
396 | //TODO: these should be refactored into things like xy_normalise |
354 | // and so on. |
397 | // and so on. |
355 | int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); |
398 | int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); |
356 | int ob_blocked (const object *ob, maptile *m, sint16 x, sint16 y); |
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357 | int out_of_map (maptile *m, int x, int y); |
399 | int out_of_map (maptile *m, int x, int y); |
358 | maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); |
400 | maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); |
359 | void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); |
401 | void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); |
360 | void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); |
402 | void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); |
361 | int on_same_map (const object *op1, const object *op2); |
403 | int on_same_map (const object *op1, const object *op2); |
362 | int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); |
404 | int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); |
363 | |
405 | |
364 | // adjust map, x and y for tiled maps and return true if the position is valid at all |
406 | // adjust map, x and y for tiled maps and return true if the position is valid at all |
365 | inline bool |
407 | static inline bool |
366 | xy_normalise (maptile *&map, sint16 &x, sint16 &y) |
408 | xy_normalise (maptile *&map, sint16 &x, sint16 &y) |
367 | { |
409 | { |
368 | // when in range, do a quick return, otherwise go the slow route |
410 | // when in range, do a quick return, otherwise go the slow route |
369 | return |
411 | return |
370 | (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) |
412 | (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); |
413 | || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); |
372 | } |
414 | } |
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415 | // comaptibility cruft end |
373 | |
416 | |
374 | inline mapspace & |
417 | inline mapspace & |
375 | object::ms () const |
418 | object::ms () const |
376 | { |
419 | { |
377 | return map->at (x, y); |
420 | return map->at (x, y); |
378 | } |
421 | } |
379 | |
422 | |
380 | // not used anywhere *yet* |
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381 | struct mapxy { |
423 | struct mapxy { |
382 | maptile *m; |
424 | maptile *m; |
383 | sint16 x, y; |
425 | sint16 x, y; |
384 | |
426 | |
385 | mapxy (maptile *m, sint16 x, sint16 y) |
427 | mapxy (maptile *m, sint16 x, sint16 y) |
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388 | |
430 | |
389 | mapxy (object *op) |
431 | mapxy (object *op) |
390 | : m(op->map), x(op->x), y(op->y) |
432 | : m(op->map), x(op->x), y(op->y) |
391 | { } |
433 | { } |
392 | |
434 | |
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435 | mapxy &move (int dx, int dy) |
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436 | { |
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437 | x += dx; |
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438 | y += dy; |
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439 | |
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440 | return *this; |
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441 | } |
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442 | |
393 | mapxy &move (int dir) |
443 | mapxy &move (int dir) |
394 | { |
444 | { |
395 | x += freearr_x [dir]; |
445 | return move (freearr_x [dir], freearr_y [dir]); |
396 | y += freearr_y [dir]; |
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397 | |
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398 | return *this; |
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399 | } |
446 | } |
400 | |
447 | |
401 | operator void *() const { return (void *)m; } |
448 | operator void *() const { return (void *)m; } |
402 | mapxy &operator =(const object *op) |
449 | mapxy &operator =(const object *op) |
403 | { |
450 | { |
… | |
… | |
407 | |
454 | |
408 | return *this; |
455 | return *this; |
409 | } |
456 | } |
410 | |
457 | |
411 | mapspace *operator ->() const { return &m->at (x, y); } |
458 | mapspace *operator ->() const { return &m->at (x, y); } |
412 | mapspace *operator * () const { return &m->at (x, y); } |
459 | mapspace &operator * () const { return m->at (x, y); } |
413 | |
460 | |
414 | bool normalise () |
461 | bool normalise () |
415 | { |
462 | { |
416 | return xy_normalise (m, x, y); |
463 | return xy_normalise (m, x, y); |
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464 | } |
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465 | |
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466 | mapspace &ms () const |
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467 | { |
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468 | return m->at (x, y); |
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469 | } |
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470 | |
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471 | object *insert (object *op, object *originator = 0, int flags = 0) const |
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472 | { |
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473 | return m->insert (op, x, y, originator, flags); |
417 | } |
474 | } |
418 | }; |
475 | }; |
419 | |
476 | |
420 | inline const mapxy & |
477 | inline const mapxy & |
421 | object::operator =(const mapxy &pos) |
478 | object::operator =(const mapxy &pos) |
… | |
… | |
425 | y = pos.y; |
482 | y = pos.y; |
426 | |
483 | |
427 | return pos; |
484 | return pos; |
428 | } |
485 | } |
429 | |
486 | |
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487 | // iterate over a rectangular area relative to op |
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488 | // can be used as a single statement, but both iterate macros |
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489 | // invocations must not be followed by a ";" |
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490 | // see common/los.C for usage example |
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491 | // the walk will be ordered, outer loop x, inner loop y |
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492 | // m will be set to the map (or 0), nx, ny to the map coord, dx, dy to the offset relative to op |
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493 | #define ordered_mapwalk_begin(op,dx0,dy0,dx1,dy1) \ |
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494 | for (int dx = (dx0); dx <= (dx1); ++dx) \ |
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495 | { \ |
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496 | sint16 nx, ny; \ |
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497 | maptile *m = 0; \ |
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498 | \ |
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499 | for (int dy = (dy0); dy <= (dy1); ++dy) \ |
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500 | { \ |
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501 | /* check to see if we can simply go one down quickly, */ \ |
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502 | /* if not, do it the slow way */ \ |
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503 | if (!m || ++ny >= m->height) \ |
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504 | { \ |
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505 | nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \ |
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506 | \ |
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507 | if (xy_normalise (m, nx, ny)) \ |
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508 | m->touch (); \ |
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509 | else \ |
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510 | m = 0; \ |
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511 | } |
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512 | |
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513 | #define ordered_mapwalk_end \ |
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514 | } \ |
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515 | } |
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516 | |
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517 | // loop over every space in the given maprect, |
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518 | // setting m, nx, ny to the map and -coordinate and dx, dy to the offste relative to dx0,dy0 |
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519 | // the iterator code must be a single statement following this macro call, similar to "if" |
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520 | #define rect_mapwalk(rect,dx0,dy0) \ |
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521 | statementvar (maptile *, m, (rect)->m) \ |
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522 | for (int nx = (rect)->x0; nx < (rect)->x1; ++nx) \ |
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523 | for (int ny = (rect)->y0; ny < (rect)->y1; ++ny) \ |
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524 | statementvar (int, dx, nx + (rect)->dx - (dx0)) \ |
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525 | statementvar (int, dy, ny + (rect)->dy - (dy0)) |
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526 | |
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527 | // same as above, but the walk will not follow any particular |
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528 | // order (unorded), but is likely faster. |
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529 | // m will be set to the map (never 0!), nx, ny to the map coord, dx, dy to the offset relative to op |
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530 | #define unordered_mapwalk(op,dx0,dy0,dx1,dy1) \ |
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531 | for (maprect *r_e_c_t = (op)->map->split_to_tiles ( \ |
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532 | (op)->x + (dx0) , (op)->y + (dy0) , \ |
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533 | (op)->x + (dx1) + 1, (op)->y + (dy1) + 1); \ |
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534 | r_e_c_t->m; \ |
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535 | ++r_e_c_t) \ |
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536 | rect_mapwalk (r_e_c_t, (op)->x, (op)->y) |
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537 | |
430 | #endif |
538 | #endif |
431 | |
539 | |