1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
3 | |
3 | * |
4 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
5 | Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002-2005 Mark Wedel & Crossfire Development Team |
6 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
7 | |
7 | * |
8 | 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 |
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 2 of the License, or |
10 | * the Free Software Foundation; either version 2 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, |
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 GNU General Public License |
19 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | |
21 | * |
22 | 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 |
23 | */ |
23 | */ |
24 | |
24 | |
25 | /* |
25 | /* |
26 | * The maptile is allocated each time a new map is opened. |
26 | * The maptile is allocated each time a new map is opened. |
27 | * It contains pointers (very indirectly) to all objects on the map. |
27 | * It contains pointers (very indirectly) to all objects on the map. |
28 | */ |
28 | */ |
… | |
… | |
83 | |
83 | |
84 | /* You should really know what you are doing before using this - you |
84 | /* You should really know what you are doing before using this - you |
85 | * should almost always be using out_of_map instead, which takes into account |
85 | * should almost always be using out_of_map instead, which takes into account |
86 | * map tiling. |
86 | * map tiling. |
87 | */ |
87 | */ |
88 | #define OUT_OF_REAL_MAP(M,X,Y) ((X)<0 || (Y)<0 || (X)>=(M)->width || (Y)>=(M)->height) |
88 | #define OUT_OF_REAL_MAP(M,X,Y) (!(IN_RANGE_EXC ((X), 0, (M)->width) && IN_RANGE_EXC ((Y), 0, (M)->height))) |
89 | |
89 | |
90 | /* These are used in the MapLook flags element. They are not used in |
90 | /* These are used in the MapLook flags element. They are not used in |
91 | * in the object flags structure. |
91 | * in the object flags structure. |
92 | */ |
92 | */ |
93 | #define P_BLOCKSVIEW 0x01 |
93 | #define P_BLOCKSVIEW 0x01 |
… | |
… | |
125 | * to extend information about a space. |
125 | * to extend information about a space. |
126 | */ |
126 | */ |
127 | struct mapspace |
127 | struct mapspace |
128 | { |
128 | { |
129 | object *bot, *top; /* lowest/highest object on this space */ |
129 | object *bot, *top; /* lowest/highest object on this space */ |
130 | New_Face *faces[MAP_LAYERS]; /* faces for the 3 layers */ |
130 | facetile *faces[MAP_LAYERS]; /* faces for the 3 layers */ |
131 | object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ |
131 | object *faces_obj[MAP_LAYERS];/* face objects for the 3 layers */ |
132 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
132 | uint8 flags_; /* flags about this space (see the P_ values above) */ |
133 | sint8 light; /* How much light this space provides */ |
133 | sint8 light; /* How much light this space provides */ |
134 | MoveType move_block; /* What movement types this space blocks */ |
134 | MoveType move_block; /* What movement types this space blocks */ |
135 | MoveType move_slow; /* What movement types this space slows */ |
135 | MoveType move_slow; /* What movement types this space slows */ |
… | |
… | |
372 | int distance_y; |
372 | int distance_y; |
373 | int direction; |
373 | int direction; |
374 | object *part; |
374 | object *part; |
375 | }; |
375 | }; |
376 | |
376 | |
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377 | //TODO: these should be refactored into things like xy_normalise |
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378 | // and so on. |
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379 | int get_map_flags(maptile *oldmap, maptile **newmap, sint16 x, sint16 y, sint16 *nx, sint16 *ny); |
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380 | int ob_blocked(const object *ob, maptile *m, sint16 x, sint16 y); |
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381 | int out_of_map(maptile *m, int x, int y); |
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382 | maptile *get_map_from_coord(maptile *m, sint16 *x, sint16 *y); |
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383 | void get_rangevector(object *op1, object *op2, rv_vector *retval, int flags); |
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384 | void get_rangevector_from_mapcoord(const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags); |
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385 | int on_same_map(const object *op1, const object *op2); |
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386 | |
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387 | // adjust map, x and y for tiled maps and return true if the position is valid at all |
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388 | inline bool |
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389 | xy_normalise (maptile *&map, sint16 &x, sint16 &y) |
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390 | { |
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391 | // when in range, do a quick return, otherwise go the slow route |
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392 | return |
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393 | (IN_RANGE_EXC (x, 0, map->width) && IN_RANGE_EXC (y, 0, map->height)) |
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394 | || !(get_map_flags (map, &map, x, y, &x, &y) & P_OUT_OF_MAP); |
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395 | } |
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396 | |
377 | inline mapspace & |
397 | inline mapspace & |
378 | object::ms () const |
398 | object::ms () const |
379 | { |
399 | { |
380 | return map->at (x, y); |
400 | return map->at (x, y); |
381 | } |
401 | } |