A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
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 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 * 02111-1307, USA.
26 *
27 * DESCRIPTION:
28 * Map utility functions
29 *
30 *-----------------------------------------------------------------------------*/
31
32#ifndef __P_MAPUTL__
33#define __P_MAPUTL__
34
35#include "r_defs.h"
36
37/* mapblocks are used to check movement against lines and things */
38#define MAPBLOCKUNITS 128
39#define MAPBLOCKSIZE (MAPBLOCKUNITS*FRACUNIT)
40#define MAPBLOCKSHIFT (FRACBITS+7)
41#define MAPBMASK (MAPBLOCKSIZE-1)
42#define MAPBTOFRAC (MAPBLOCKSHIFT-FRACBITS)
43
44#define PT_ADDLINES 1
45#define PT_ADDTHINGS 2
46#define PT_EARLYOUT 4
47
48typedef struct {
49 fixed_t x;
50 fixed_t y;
51 fixed_t dx;
52 fixed_t dy;
53} divline_t;
54
55typedef struct {
56 fixed_t frac; /* along trace line */
57 boolean isaline;
58 union {
59 mobj_t* thing;
60 line_t* line;
61 } d;
62} intercept_t;
63
64typedef boolean (*traverser_t)(intercept_t *in);
65
66#define CONSTFUNC
67
68fixed_t CONSTFUNC P_AproxDistance (fixed_t dx, fixed_t dy);
69int CONSTFUNC P_PointOnLineSide (fixed_t x, fixed_t y, const line_t *line);
70int CONSTFUNC P_PointOnDivlineSide (fixed_t x, fixed_t y,
71 const divline_t *line);
72int CONSTFUNC P_BoxOnLineSide (const fixed_t *tmbox, const line_t *ld);
73fixed_t CONSTFUNC P_InterceptVector (const divline_t *v2, const divline_t *v1);
74
75void P_MakeDivline (const line_t *li, divline_t *dl);
76void P_LineOpening (const line_t *linedef);
77void P_UnsetThingPosition(mobj_t *thing);
78void P_SetThingPosition(mobj_t *thing);
79boolean P_BlockLinesIterator (int x, int y, boolean func(line_t *));
80boolean P_BlockThingsIterator(int x, int y, boolean func(mobj_t *));
81boolean CONSTFUNC ThingIsOnLine(const mobj_t *t, const line_t *l); /* killough 3/15/98 */
82boolean P_PathTraverse(fixed_t x1, fixed_t y1, fixed_t x2, fixed_t y2,
83 int flags, boolean trav(intercept_t *));
84
85extern fixed_t opentop;
86extern fixed_t openbottom;
87extern fixed_t openrange;
88extern fixed_t lowfloor;
89extern divline_t trace;
90
91#endif /* __P_MAPUTL__ */