1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
3 | |
3 | * |
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4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | |
7 | * |
7 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
8 | 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 |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. |
11 | * (at your option) any later version. |
11 | |
12 | * |
12 | 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, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
16 | |
17 | * |
17 | 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 |
18 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | |
21 | * |
21 | The authors can be reached via e-mail at crossfire@schmorp.de |
22 | * The authors can be reached via e-mail at crossfire@schmorp.de |
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. |
27 | */ |
28 | */ |
… | |
… | |
45 | */ |
46 | */ |
46 | #define MAGIC_MAP_SIZE 50 |
47 | #define MAGIC_MAP_SIZE 50 |
47 | #define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2 |
48 | #define MAGIC_MAP_HALF MAGIC_MAP_SIZE/2 |
48 | |
49 | |
49 | #define MAP_LAYERS 3 |
50 | #define MAP_LAYERS 3 |
50 | |
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51 | /* options passed to ready_map_name and load_original_map */ |
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52 | #define MAP_FLUSH 0x01 |
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53 | #define MAP_PLAYER_UNIQUE 0x02 |
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54 | #define MAP_BLOCK 0x04 |
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55 | #define MAP_STYLE 0x08 |
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56 | #define MAP_OVERLAY 0x10 |
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57 | |
51 | |
58 | /* Values for in_memory below. Should probably be an enumerations */ |
52 | /* Values for in_memory below. Should probably be an enumerations */ |
59 | enum { |
53 | enum { |
60 | MAP_IN_MEMORY, |
54 | MAP_IN_MEMORY, |
61 | MAP_SWAPPED, |
55 | MAP_SWAPPED, |
… | |
… | |
82 | |
76 | |
83 | /* You should really know what you are doing before using this - you |
77 | /* You should really know what you are doing before using this - you |
84 | * should almost always be using out_of_map instead, which takes into account |
78 | * should almost always be using out_of_map instead, which takes into account |
85 | * map tiling. |
79 | * map tiling. |
86 | */ |
80 | */ |
87 | #define OUT_OF_REAL_MAP(M,X,Y) ((X)<0 || (Y)<0 || (X)>=(M)->width || (Y)>=(M)->height) |
81 | #define OUT_OF_REAL_MAP(M,X,Y) (!(IN_RANGE_EXC ((X), 0, (M)->width) && IN_RANGE_EXC ((Y), 0, (M)->height))) |
88 | |
82 | |
89 | /* These are used in the MapLook flags element. They are not used in |
83 | /* These are used in the MapLook flags element. They are not used in |
90 | * in the object flags structure. |
84 | * in the object flags structure. |
91 | */ |
85 | */ |
92 | #define P_BLOCKSVIEW 0x01 |
86 | #define P_BLOCKSVIEW 0x01 |
… | |
… | |
124 | * to extend information about a space. |
118 | * to extend information about a space. |
125 | */ |
119 | */ |
126 | struct mapspace |
120 | struct mapspace |
127 | { |
121 | { |
128 | object *bot, *top; /* lowest/highest object on this space */ |
122 | object *bot, *top; /* lowest/highest object on this space */ |
129 | New_Face *faces[MAP_LAYERS]; /* faces for the 3 layers */ |
123 | facetile *faces[MAP_LAYERS]; /* faces for the 3 layers */ |
130 | object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ |
124 | object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ |
131 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
125 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
132 | sint8 light; /* How much light this space provides */ |
126 | sint8 light; /* How much light this space provides */ |
133 | MoveType move_block; /* What movement types this space blocks */ |
127 | MoveType move_block; /* What movement types this space blocks */ |
134 | MoveType move_slow; /* What movement types this space slows */ |
128 | MoveType move_slow; /* What movement types this space slows */ |
… | |
… | |
297 | |
291 | |
298 | MTH void clear_header (); |
292 | MTH void clear_header (); |
299 | MTH void clear_links_to (maptile *m); |
293 | MTH void clear_links_to (maptile *m); |
300 | |
294 | |
301 | // loas the header pseudo-object |
295 | // loas the header pseudo-object |
302 | bool load_header (object_thawer &thawer); |
296 | bool _load_header (object_thawer &thawer); |
303 | MTH bool load_header (const char *path); |
297 | MTH bool _load_header (const char *path); |
304 | |
298 | |
305 | // load objects into the map |
299 | // load objects into the map |
306 | bool load_objects (object_thawer &thawer); |
300 | bool _load_objects (object_thawer &thawer); |
307 | MTH bool load_objects (const char *path, bool skip_header = true); |
301 | MTH bool _load_objects (const char *path, bool skip_header = true); |
308 | |
302 | |
309 | // save objects into the given file (uses IO_ flags) |
303 | // save objects into the given file (uses IO_ flags) |
310 | bool save_objects (object_freezer &freezer, int flags); |
304 | bool _save_objects (object_freezer &freezer, int flags); |
311 | MTH bool save_objects (const char *path, int flags); |
305 | MTH bool _save_objects (const char *path, int flags); |
312 | |
306 | |
313 | // save the header pseudo object _only_ |
307 | // save the header pseudo object _only_ |
314 | bool save_header (object_freezer &freezer); |
308 | bool _save_header (object_freezer &freezer); |
315 | MTH bool save_header (const char *path); |
309 | MTH bool _save_header (const char *path); |
316 | |
310 | |
317 | maptile (); |
311 | maptile (); |
318 | maptile (int w, int h); |
312 | maptile (int w, int h); |
319 | ~maptile (); |
313 | ~maptile (); |
320 | |
314 | |
… | |
… | |
342 | { |
336 | { |
343 | if (!spaces) |
337 | if (!spaces) |
344 | do_load_sync (); |
338 | do_load_sync (); |
345 | } |
339 | } |
346 | |
340 | |
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341 | void make_map_floor (char **layout, char *floorstyle, random_map_params *RP); |
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342 | bool generate_random_map (random_map_params *RP); |
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343 | |
347 | static maptile *find_sync (const char *path, maptile *original = 0);//PERL |
344 | static maptile *find_sync (const char *path, maptile *original = 0);//PERL |
348 | static void emergency_save ();//PERL |
345 | // async prefetch |
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346 | static maptile *find_async (const char *path, maptile *original = 0);//PERL |
349 | |
347 | |
350 | mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } |
348 | mapspace const &at (uint32 x, uint32 y) const { return spaces [x * height + y]; } |
351 | mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; } |
349 | mapspace &at (uint32 x, uint32 y) { return spaces [x * height + y]; } |
352 | }; |
350 | }; |
353 | |
351 | |
… | |
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367 | int distance_y; |
365 | int distance_y; |
368 | int direction; |
366 | int direction; |
369 | object *part; |
367 | object *part; |
370 | }; |
368 | }; |
371 | |
369 | |
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370 | //TODO: these should be refactored into things like xy_normalise |
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371 | // and so on. |
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372 | int get_map_flags(maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); |
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373 | int ob_blocked(const object *ob, maptile *m, sint16 x, sint16 y); |
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374 | int out_of_map(maptile *m, int x, int y); |
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375 | maptile *get_map_from_coord(maptile *m, sint16 *x, sint16 *y); |
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376 | void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags); |
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377 | void get_rangevector_from_mapcoord(const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); |
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378 | int on_same_map(const object *op1, const object *op2); |
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379 | |
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380 | // adjust map, x and y for tiled maps and return true if the position is valid at all |
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381 | inline bool |
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382 | xy_normalise (maptile *&map, sint16 &x, sint16 &y) |
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383 | { |
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384 | // when in range, do a quick return, otherwise go the slow route |
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385 | return |
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386 | (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) |
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387 | || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); |
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388 | } |
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389 | |
372 | inline mapspace & |
390 | inline mapspace & |
373 | object::ms () const |
391 | object::ms () const |
374 | { |
392 | { |
375 | return map->at (x, y); |
393 | return map->at (x, y); |
376 | } |
394 | } |