1 | /* |
1 | /* |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010 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 | * Deliantra 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 <support@deliantra.net> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | /* |
25 | /* |
… | |
… | |
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> |
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34 | |
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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 |
… | |
… | |
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 | |
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55 | // tile map index |
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56 | enum { |
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57 | TILE_UP = 0, |
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58 | TILE_RIGHT = 1, |
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59 | TILE_DOWN = 2, |
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60 | TILE_LEFT = 3, |
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61 | }; |
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62 | |
52 | /* Values for in_memory below */ |
63 | /* Values for in_memory below */ |
53 | enum { |
64 | enum { |
54 | MAP_ACTIVE, |
65 | MAP_ACTIVE, |
55 | MAP_INACTIVE, // not used atm. |
66 | MAP_INACTIVE, // not used atm. |
56 | MAP_SWAPPED, |
67 | MAP_SWAPPED, |
… | |
… | |
82 | /* These are used in the MapLook flags element. They are not used in |
93 | /* These are used in the MapLook flags element. They are not used in |
83 | * in the object flags structure. |
94 | * in the object flags structure. |
84 | */ |
95 | */ |
85 | #define P_BLOCKSVIEW 0x01 |
96 | #define P_BLOCKSVIEW 0x01 |
86 | #define P_NO_MAGIC 0x02 /* Spells (some) can't pass this object */ |
97 | #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 */ |
98 | #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, |
99 | #define P_SAFE 0x08 /* If this is set the map tile is a safe space, |
89 | * that means, nothing harmful can be done, |
100 | * that means, nothing harmful can be done, |
90 | * such as: bombs, potion usage, alchemy, spells |
101 | * such as: bombs, potion usage, alchemy, spells |
91 | * this was introduced to make shops safer |
102 | * this was introduced to make shops safer |
92 | * but is useful in other situations */ |
103 | * but is useful in other situations */ |
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104 | |
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105 | #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 */ |
106 | #define P_IS_ALIVE 0x20 /* something alive is on this space */ |
94 | #define P_NO_CLERIC 0x20 /* no clerical spells cast here */ |
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95 | |
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96 | #define P_UPTODATE 0x80 /* this space is up to date */ |
107 | #define P_UPTODATE 0x80 // this space is up to date |
97 | |
108 | |
98 | /* The following two values are not stored in the MapLook flags, but instead |
109 | /* 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 |
110 | * 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 |
111 | * 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 |
112 | * function that does more of the work can hopefully be used to replace |
102 | * lots of duplicate checks currently in the code. |
113 | * lots of duplicate checks currently in the code. |
103 | */ |
114 | */ |
104 | #define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ |
115 | #define P_OUT_OF_MAP 0x10000 /* This space is outside the map */ |
105 | #define P_NEW_MAP 0x20000 |
116 | #define P_NEW_MAP 0x20000 /* Coordinates passed result in a new tiled map */ |
106 | /* Coordinates passed result in a new tiled map */ |
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107 | |
117 | |
108 | /* Instead of having numerous arrays that have information on a |
118 | /* Instead of having numerous arrays that have information on a |
109 | * particular space (was map, floor, floor2, map_ob), |
119 | * particular space (was map, floor, floor2, map_ob), |
110 | * have this structure take care of that information. |
120 | * have this structure take care of that information. |
111 | * This puts it all in one place, and should also make it easier |
121 | * This puts it all in one place, and should also make it easier |
… | |
… | |
113 | */ |
123 | */ |
114 | INTERFACE_CLASS (mapspace) |
124 | INTERFACE_CLASS (mapspace) |
115 | struct mapspace |
125 | struct mapspace |
116 | { |
126 | { |
117 | object *ACC (RW, bot); |
127 | object *ACC (RW, bot); |
118 | object *ACC (RW, top); /* lowest/highest object on this space */ |
128 | object *ACC (RW, top); /* lowest/highest object on this space */ |
119 | object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */ |
129 | object *ACC (RW, faces_obj[MAP_LAYERS]);/* face objects for the 3 layers */ |
120 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
130 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
121 | sint8 ACC (RW, light); /* How much light this space provides */ |
131 | sint8 ACC (RW, light); /* How much light this space provides */ |
122 | MoveType ACC (RW, move_block); /* What movement types this space blocks */ |
132 | MoveType ACC (RW, move_block); /* What movement types this space blocks */ |
123 | MoveType ACC (RW, move_slow); /* What movement types this space slows */ |
133 | MoveType ACC (RW, move_slow); /* What movement types this space slows */ |
124 | MoveType ACC (RW, move_on); /* What movement types are activated */ |
134 | MoveType ACC (RW, move_on); /* What movement types are activated */ |
125 | MoveType ACC (RW, move_off); /* What movement types are activated */ |
135 | MoveType ACC (RW, move_off); /* What movement types are activated */ |
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136 | uint16_t ACC (RW, items_); // saturates at 64k |
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137 | uint32_t ACC (RW, volume_); // ~dm³ (not cm³) (factor is actually 1024) |
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138 | uint32_t ACC (RW, smell); // the last count a player was seen here, or 0 |
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139 | static uint32_t ACC (RW, smellcount); // global smell counter |
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140 | |
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141 | uint32_t pad1_, pad2_; // pad to 64 bytes on 64 bit systems |
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142 | |
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143 | //-GPL |
126 | |
144 | |
127 | void update_ (); |
145 | void update_ (); |
128 | MTH void update () |
146 | MTH void update () |
129 | { |
147 | { |
130 | if (!(flags_ & P_UPTODATE)) |
148 | // we take advantage of the fact that 0x80 is the sign bit |
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149 | // to generate more efficient code on many cpus |
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150 | assert (sint8 (P_UPTODATE) < 0); |
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151 | assert (sint8 (-1 & ~P_UPTODATE) >= 0); |
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152 | |
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153 | if (expect_false (sint8 (flags_) >= 0)) |
131 | update_ (); |
154 | update_ (); |
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155 | |
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156 | // must be true by now (gcc seems content with only the second test) |
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157 | assume (sint8 (flags_) < 0); |
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158 | assume (flags_ & P_UPTODATE); |
132 | } |
159 | } |
133 | |
160 | |
134 | MTH uint8 flags () |
161 | MTH uint8 flags () |
135 | { |
162 | { |
136 | update (); |
163 | update (); |
… | |
… | |
153 | op = 0; |
180 | op = 0; |
154 | |
181 | |
155 | return op; |
182 | return op; |
156 | } |
183 | } |
157 | |
184 | |
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185 | MTH uint32 items() |
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186 | { |
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187 | update (); |
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188 | return items_; |
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189 | } |
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190 | |
158 | // return the item volume on this mapspace in cm³ |
191 | // return the item volume on this mapspace in cm³ |
159 | MTH uint64 volume () const; |
192 | MTH uint64 volume () |
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193 | { |
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194 | update (); |
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195 | return volume_ * 1024; |
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196 | } |
160 | |
197 | |
161 | bool blocks (MoveType mt) const |
198 | bool blocks (MoveType mt) const |
162 | { |
199 | { |
163 | return move_block && (mt & move_block) == mt; |
200 | return move_block && (mt & move_block) == mt; |
164 | } |
201 | } |
… | |
… | |
166 | bool blocks (object *op) const |
203 | bool blocks (object *op) const |
167 | { |
204 | { |
168 | return blocks (op->move_type); |
205 | return blocks (op->move_type); |
169 | } |
206 | } |
170 | }; |
207 | }; |
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208 | |
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209 | // a rectangular area of a map, used my split_to_tiles/unordered_mapwalk |
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210 | struct maprect |
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211 | { |
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212 | maptile *m; |
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213 | int x0, y0; |
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214 | int x1, y1; |
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215 | int dx, dy; // offset to go from local coordinates to original tile */ |
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216 | }; |
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217 | |
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218 | //+GPL |
171 | |
219 | |
172 | struct shopitems : zero_initialised |
220 | struct shopitems : zero_initialised |
173 | { |
221 | { |
174 | const char *name; /* name of the item in question, null if it is the default item */ |
222 | const char *name; /* name of the item in question, null if it is the default item */ |
175 | const char *name_pl; /* plural name */ |
223 | const char *name_pl; /* plural name */ |
… | |
… | |
233 | static sint8 outdoor_darkness; /* the global darkness level outside */ |
281 | static sint8 outdoor_darkness; /* the global darkness level outside */ |
234 | |
282 | |
235 | uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ |
283 | uint16 ACC (RW, enter_x); /* enter_x and enter_y are default entrance location */ |
236 | uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */ |
284 | uint16 ACC (RW, enter_y); /* on the map if none are set in the exit */ |
237 | oblinkpt *buttons; /* Linked list of linked lists of buttons */ |
285 | oblinkpt *buttons; /* Linked list of linked lists of buttons */ |
238 | sint16 ACC (RW, temp); /* base temperature of this tile (F) */ |
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239 | sint16 ACC (RW, pressure); /* barometric pressure (mb) */ |
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240 | sint8 ACC (RW, humid); /* humitidy of this tile */ |
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241 | sint8 ACC (RW, windspeed); /* windspeed of this tile */ |
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242 | sint8 ACC (RW, winddir); /* direction of wind */ |
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243 | sint8 ACC (RW, sky); /* sky conditions */ |
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244 | int ACC (RW, worldpartx), ACC (RW, worldparty); /*Highly fasten conversion between worldmap and weathermap */ |
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245 | struct shopitems *shopitems; /* a semi-colon seperated list of item-types the map's shop will trade in */ |
286 | struct shopitems *shopitems; /* a semi-colon seperated list of item-types the map's shop will trade in */ |
246 | shstr ACC (RW, shoprace); /* the preffered race of the local shopkeeper */ |
287 | shstr ACC (RW, shoprace); /* the preffered race of the local shopkeeper */ |
247 | double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */ |
288 | double ACC (RW, shopgreed); /* how much our shopkeeper overcharges */ |
248 | sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */ |
289 | sint64 ACC (RW, shopmin); /* minimum price a shop will trade for */ |
249 | sint64 ACC (RW, shopmax); /* maximum price a shop will offer */ |
290 | sint64 ACC (RW, shopmax); /* maximum price a shop will offer */ |
250 | shstr ACC (RW, msg); /* Message map creator may have left */ |
291 | shstr ACC (RW, msg); /* Message map creator may have left */ |
251 | shstr ACC (RW, maplore); /* Map lore information */ |
292 | shstr ACC (RW, maplore); /* Map lore information */ |
252 | shstr ACC (RW, tile_path[4]); /* path to adjoining maps */ |
293 | shstr ACC (RW, tile_path[4]); /* path to adjoining maps */ |
253 | maptile *ACC (RW, tile_map[4]); /* Next map, linked list */ |
294 | maptile *ACC (RW, tile_map[4]); /* Next map, linked list */ |
254 | shstr ACC (RW, path); /* Filename of the map */ |
295 | shstr ACC (RW, path); /* Filename of the map */ |
255 | int ACC (RW, max_nrof); // maximum nrof of any single item on a mapspace |
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256 | uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace |
296 | uint64 ACC (RW, max_volume); // maximum volume for all items on a mapspace |
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297 | int ACC (RW, max_items); // maximum number of items on a mapspace |
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298 | |
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299 | //-GPL |
257 | |
300 | |
258 | // the maptile:: is neccessary here for the perl interface to work |
301 | // the maptile:: is neccessary here for the perl interface to work |
259 | MTH sint8 darklevel (sint8 outside = maptile::outdoor_darkness) const |
302 | MTH sint8 darklevel (sint8 outside = maptile::outdoor_darkness) const |
260 | { |
303 | { |
261 | return clamp (outdoor ? darkness + outside : darkness, 0, MAX_DARKNESS); |
304 | return clamp (outdoor ? darkness + outside : darkness, 0, MAX_DARKNESS); |
… | |
… | |
269 | // allocates all (empty) mapspace |
312 | // allocates all (empty) mapspace |
270 | MTH void alloc (); |
313 | MTH void alloc (); |
271 | // deallocates the mapspaces (and destroys all objects) |
314 | // deallocates the mapspaces (and destroys all objects) |
272 | MTH void clear (); |
315 | MTH void clear (); |
273 | |
316 | |
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317 | MTH void post_load (); // update cached values in mapspaces etc. |
274 | MTH void fix_auto_apply (); |
318 | MTH void fix_auto_apply (); |
275 | MTH void do_decay_objects (); |
319 | MTH void do_decay_objects (); |
276 | MTH void update_buttons (); |
320 | MTH void update_buttons (); |
277 | MTH int change_map_light (int change); |
321 | MTH int change_map_light (int change); |
278 | MTH int estimate_difficulty () const; |
322 | MTH int estimate_difficulty () const; |
279 | |
323 | |
280 | MTH void play_sound (faceidx sound, int x, int y) const; |
324 | MTH void play_sound (faceidx sound, int x, int y) const; |
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325 | MTH void say_msg (const_utf8_string msg, int x, int y) const; |
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326 | |
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327 | // connected links |
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328 | oblinkpt *find_link (shstr_tmp id); |
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329 | MTH void trigger (shstr_tmp id, int state = 1, object *activator = 0, object *originator = 0); |
281 | |
330 | |
282 | // set the given flag on all objects in the map |
331 | // set the given flag on all objects in the map |
283 | MTH void set_object_flag (int flag, int value = 1); |
332 | MTH void set_object_flag (int flag, int value = 1); |
284 | MTH void post_load_original (); |
333 | MTH void post_load_original (); |
285 | |
334 | |
… | |
… | |
299 | bool _load_objects (object_thawer &thawer); |
348 | bool _load_objects (object_thawer &thawer); |
300 | MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); } |
349 | MTH bool _load_objects (object_thawer *thawer) { return _load_objects (*thawer); } |
301 | |
350 | |
302 | // save objects into the given file (uses IO_ flags) |
351 | // save objects into the given file (uses IO_ flags) |
303 | bool _save_objects (object_freezer &freezer, int flags); |
352 | bool _save_objects (object_freezer &freezer, int flags); |
304 | MTH bool _save_objects (const char *path, int flags); |
353 | MTH bool _save_objects (const_octet_string path, int flags); |
305 | |
354 | |
306 | // save the header pseudo object _only_ |
355 | // save the header pseudo object _only_ |
307 | bool _save_header (object_freezer &freezer); |
356 | bool _save_header (object_freezer &freezer); |
308 | MTH bool _save_header (const char *path); |
357 | MTH bool _save_header (const_octet_string path); |
309 | |
358 | |
310 | maptile (); |
359 | maptile (); |
311 | maptile (int w, int h); |
360 | maptile (int w, int h); |
312 | ~maptile (); |
361 | ~maptile (); |
313 | |
362 | |
… | |
… | |
318 | |
367 | |
319 | MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); |
368 | MTH object *insert (object *op, int x, int y, object *originator = 0, int flags = 0); |
320 | |
369 | |
321 | MTH void touch () { last_access = runtime; } |
370 | MTH void touch () { last_access = runtime; } |
322 | |
371 | |
323 | MTH bool tile_available (int dir, bool load = true); |
372 | MTH maptile *tile_available (int dir, bool load = true); |
324 | |
373 | |
325 | // find the map that is at coordinate x|y relative to this map |
374 | // find the map that is at coordinate x|y relative to this map |
326 | // TODO: need a better way than passing by reference |
375 | // TODO: need a better way than passing by reference |
327 | // TODO: make perl interface |
376 | // TODO: make perl interface |
328 | maptile *xy_find (sint16 &x, sint16 &y); |
377 | maptile *xy_find (sint16 &x, sint16 &y); |
… | |
… | |
340 | } |
389 | } |
341 | |
390 | |
342 | void make_map_floor (char **layout, char *floorstyle, random_map_params *RP); |
391 | void make_map_floor (char **layout, char *floorstyle, random_map_params *RP); |
343 | bool generate_random_map (random_map_params *RP); |
392 | bool generate_random_map (random_map_params *RP); |
344 | |
393 | |
345 | static maptile *find_async (const char *path, maptile *original = 0, bool load = true);//PERL |
394 | static maptile *find_async (const_utf8_string path, maptile *original = 0, bool load = true);//PERL |
346 | static maptile *find_sync (const char *path, maptile *original = 0);//PERL |
395 | static maptile *find_sync (const_utf8_string path, maptile *original = 0);//PERL |
347 | static maptile *find_style_sync (const char *dir, const char *file = 0);//PERL |
396 | static maptile *find_style_sync (const_utf8_string dir, const_utf8_string file = 0);//PERL |
348 | object *pick_random_object (rand_gen &gen = rndm) const; |
397 | object *pick_random_object (rand_gen &gen = rndm) const; |
349 | |
398 | |
350 | mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } |
399 | mapspace &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } |
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400 | |
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401 | // return an array of maprects corresponding |
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402 | // to the given rectangular area. the last rect will have |
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403 | // a 0 map pointer. |
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404 | maprect *split_to_tiles (dynbuf &buf, int x0, int y0, int x1, int y1); |
351 | }; |
405 | }; |
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406 | |
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407 | //+GPL |
352 | |
408 | |
353 | /* This is used by get_rangevector to determine where the other |
409 | /* This is used by get_rangevector to determine where the other |
354 | * creature is. get_rangevector takes into account map tiling, |
410 | * creature is. get_rangevector takes into account map tiling, |
355 | * so you just can not look the the map coordinates and get the |
411 | * so you just can not look the the map coordinates and get the |
356 | * righte value. distance_x/y are distance away, which |
412 | * righte value. distance_x/y are distance away, which |
… | |
… | |
373 | // and so on. |
429 | // and so on. |
374 | int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); |
430 | int get_map_flags (maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); |
375 | int out_of_map (maptile *m, int x, int y); |
431 | int out_of_map (maptile *m, int x, int y); |
376 | maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); |
432 | maptile *get_map_from_coord (maptile *m, sint16 *x, sint16 *y); |
377 | void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); |
433 | void get_rangevector (object *op1, object *op2, rv_vector *retval, int flags); |
378 | void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); |
434 | void get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags = 0 /*unused*/); |
379 | int on_same_map (const object *op1, const object *op2); |
435 | int on_same_map (const object *op1, const object *op2); |
380 | int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); |
436 | int adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy); |
381 | |
437 | |
382 | // adjust map, x and y for tiled maps and return true if the position is valid at all |
438 | // adjust map, x and y for tiled maps and return true if the position is valid at all |
383 | static inline bool |
439 | static inline bool |
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388 | (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) |
444 | (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) |
389 | || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); |
445 | || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); |
390 | } |
446 | } |
391 | // comaptibility cruft end |
447 | // comaptibility cruft end |
392 | |
448 | |
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449 | //-GPL |
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450 | |
393 | inline mapspace & |
451 | inline mapspace & |
394 | object::ms () const |
452 | object::ms () const |
395 | { |
453 | { |
396 | return map->at (x, y); |
454 | return map->at (x, y); |
397 | } |
455 | } |
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462 | |
520 | |
463 | // iterate over a rectangular area relative to op |
521 | // iterate over a rectangular area relative to op |
464 | // can be used as a single statement, but both iterate macros |
522 | // can be used as a single statement, but both iterate macros |
465 | // invocations must not be followed by a ";" |
523 | // invocations must not be followed by a ";" |
466 | // see common/los.C for usage example |
524 | // see common/los.C for usage example |
467 | #define rectangular_mapspace_iterate_begin(op,dx0,dx1,dy0,dy1) \ |
525 | // the walk will be ordered, outer loop x, inner loop y |
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526 | // 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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527 | // "continue" will skip to the next space |
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528 | #define ordered_mapwalk_begin(op,dx0,dy0,dx1,dy1) \ |
468 | for (int dx = (dx0); dx <= (dx1); dx++) \ |
529 | for (int dx = (dx0); dx <= (dx1); ++dx) \ |
469 | { \ |
530 | { \ |
470 | sint16 nx, ny; \ |
531 | sint16 nx, ny; \ |
471 | maptile *m = 0; \ |
532 | maptile *m = 0; \ |
472 | \ |
533 | \ |
473 | for (int dy = (dy0); dy <= (dy1); dy++) \ |
534 | for (int dy = (dy0); dy <= (dy1); ++dy) \ |
474 | { \ |
535 | { \ |
475 | /* check to see if we can simply go one down quickly, */ \ |
536 | /* check to see if we can simply go one down quickly, */ \ |
476 | /* if not, due it the slow way */ \ |
537 | /* if not, do it the slow way */ \ |
477 | if (!m || ++ny >= m->height) \ |
538 | if (!m || ++ny >= m->height) \ |
478 | { \ |
539 | { \ |
479 | nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \ |
540 | nx = (op)->x + dx; ny = (op)->y + dy; m = (op)->map; \ |
480 | \ |
541 | \ |
481 | if (xy_normalise (m, nx, ny)) \ |
542 | if (!xy_normalise (m, nx, ny)) \ |
482 | m->touch (); \ |
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483 | else \ |
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484 | m = 0; \ |
543 | m = 0; \ |
485 | } |
544 | } |
486 | |
545 | |
487 | #define rectangular_mapspace_iterate_end \ |
546 | #define ordered_mapwalk_end \ |
488 | } \ |
547 | } \ |
489 | } |
548 | } |
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549 | |
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550 | extern dynbuf mapwalk_buf; // can be used in simple non-recursive situations |
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551 | |
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552 | // loop over every space in the given maprect, |
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553 | // setting m, nx, ny to the map and -coordinate and dx, dy to the offset relative to dx0,dy0 |
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554 | // the iterator code must be a single statement following this macro call, similar to "if" |
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555 | // "continue" will skip to the next space |
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556 | #define rect_mapwalk(rect,dx0,dy0) \ |
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557 | statementvar (maptile *, m, (rect)->m) \ |
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558 | for (int nx = (rect)->x0; nx < (rect)->x1; ++nx) \ |
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559 | for (int ny = (rect)->y0; ny < (rect)->y1; ++ny) \ |
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560 | statementvar (int, dx, nx + (rect)->dx - (dx0)) \ |
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561 | statementvar (int, dy, ny + (rect)->dy - (dy0)) |
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562 | |
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563 | // same as ordered_mapwalk, but the walk will not follow any particular |
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564 | // order (unorded), but is likely faster. |
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565 | // 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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566 | // "continue" will skip to the next space |
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567 | #define unordered_mapwalk_at(buf,map,ox,oy,dx0,dy0,dx1,dy1) \ |
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568 | for (maprect *r_e_c_t = (map)->split_to_tiles (buf, \ |
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569 | (ox) + (dx0) , (oy) + (dy0) , \ |
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570 | (ox) + (dx1) + 1, (oy) + (dy1) + 1); \ |
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571 | r_e_c_t->m; \ |
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572 | ++r_e_c_t) \ |
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573 | rect_mapwalk (r_e_c_t, (ox), (oy)) |
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574 | |
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575 | #define unordered_mapwalk(buf,op,dx0,dy0,dx1,dy1) \ |
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576 | unordered_mapwalk_at (buf,op->map, op->x, op->y, dx0, dy0, dx1, dy1) |
490 | |
577 | |
491 | #endif |
578 | #endif |
492 | |
579 | |