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Diffstat (limited to 'src/p_maputl.h')
-rw-r--r-- | src/p_maputl.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/p_maputl.h b/src/p_maputl.h new file mode 100644 index 0000000..8a70ba0 --- /dev/null +++ b/src/p_maputl.h | |||
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1 | /* Emacs style mode select -*- C++ -*- | ||
2 | *----------------------------------------------------------------------------- | ||
3 | * | ||
4 | * | ||
5 | * PrBoom: a Doom port merged with LxDoom and LSDLDoom | ||
6 | * based on BOOM, a modified and improved DOOM engine | ||
7 | * Copyright (C) 1999 by | ||
8 | * id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman | ||
9 | * Copyright (C) 1999-2000 by | ||
10 | * Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze | ||
11 | * Copyright 2005, 2006 by | ||
12 | * Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This program is distributed in the hope that it will be useful, | ||
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
22 | * GNU General Public License for more details. | ||
23 | * | ||
24 | * You should have received a copy of the GNU General Public License | ||
25 | * along with this program; if not, write to the Free Software | ||
26 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | ||
27 | * 02111-1307, USA. | ||
28 | * | ||
29 | * DESCRIPTION: | ||
30 | * Map utility functions | ||
31 | * | ||
32 | *-----------------------------------------------------------------------------*/ | ||
33 | |||
34 | #ifndef __P_MAPUTL__ | ||
35 | #define __P_MAPUTL__ | ||
36 | |||
37 | #include "r_defs.h" | ||
38 | |||
39 | /* mapblocks are used to check movement against lines and things */ | ||
40 | #define MAPBLOCKUNITS 128 | ||
41 | #define MAPBLOCKSIZE (MAPBLOCKUNITS*FRACUNIT) | ||
42 | #define MAPBLOCKSHIFT (FRACBITS+7) | ||
43 | #define MAPBMASK (MAPBLOCKSIZE-1) | ||
44 | #define MAPBTOFRAC (MAPBLOCKSHIFT-FRACBITS) | ||
45 | |||
46 | #define PT_ADDLINES 1 | ||
47 | #define PT_ADDTHINGS 2 | ||
48 | #define PT_EARLYOUT 4 | ||
49 | |||
50 | typedef struct { | ||
51 | fixed_t x; | ||
52 | fixed_t y; | ||
53 | fixed_t dx; | ||
54 | fixed_t dy; | ||
55 | } divline_t; | ||
56 | |||
57 | typedef struct { | ||
58 | fixed_t frac; /* along trace line */ | ||
59 | boolean isaline; | ||
60 | union { | ||
61 | mobj_t* thing; | ||
62 | line_t* line; | ||
63 | } d; | ||
64 | } intercept_t; | ||
65 | |||
66 | typedef boolean (*traverser_t)(intercept_t *in); | ||
67 | |||
68 | fixed_t CONSTFUNC P_AproxDistance (fixed_t dx, fixed_t dy); | ||
69 | int PUREFUNC P_PointOnLineSide (fixed_t x, fixed_t y, const line_t *line); | ||
70 | int PUREFUNC P_BoxOnLineSide (const fixed_t *tmbox, const line_t *ld); | ||
71 | fixed_t PUREFUNC P_InterceptVector (const divline_t *v2, const divline_t *v1); | ||
72 | /* cph - old compatibility version below */ | ||
73 | fixed_t PUREFUNC P_InterceptVector2(const divline_t *v2, const divline_t *v1); | ||
74 | |||
75 | void P_LineOpening (const line_t *linedef); | ||
76 | void P_UnsetThingPosition(mobj_t *thing); | ||
77 | void P_SetThingPosition(mobj_t *thing); | ||
78 | boolean P_BlockLinesIterator (int x, int y, boolean func(line_t *)); | ||
79 | boolean P_BlockThingsIterator(int x, int y, boolean func(mobj_t *)); | ||
80 | boolean P_PathTraverse(fixed_t x1, fixed_t y1, fixed_t x2, fixed_t y2, | ||
81 | int flags, boolean trav(intercept_t *)); | ||
82 | |||
83 | extern fixed_t opentop; | ||
84 | extern fixed_t openbottom; | ||
85 | extern fixed_t openrange; | ||
86 | extern fixed_t lowfloor; | ||
87 | extern divline_t trace; | ||
88 | |||
89 | #endif /* __P_MAPUTL__ */ | ||