ScummVM API documentation
fixed.h
1/* ScummVM - Graphic Adventure Engine
2 *
3 * ScummVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the COPYRIGHT
5 * file distributed with this source distribution.
6 *
7 * 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 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 *
20 */
21
22#ifndef AGS_LIB_ALLEGRO_FIXED_H
23#define AGS_LIB_ALLEGRO_FIXED_H
24
25#include "common/scummsys.h"
26#include "ags/shared/core/types.h"
27
28namespace AGS3 {
29
30typedef int32_t fixed;
31
32extern const fixed _cos_tbl[];
33extern const fixed _tan_tbl[];
34extern const fixed _acos_tbl[];
35
36extern fixed ftofix(double x);
37extern double fixtof(fixed x);
38extern fixed fixadd(fixed x, fixed y);
39extern fixed fixsub(fixed x, fixed y);
40extern fixed fixmul(fixed x, fixed y);
41extern fixed fixdiv(fixed x, fixed y);
42extern int fixfloor(fixed x);
43extern int fixceil(fixed x);
44extern fixed itofix(int x);
45extern int fixtoi(fixed x);
46extern fixed fixcos(fixed x);
47extern fixed fixsin(fixed x);
48extern fixed fixtan(fixed x);
49extern fixed fixacos(fixed x);
50extern fixed fixasin(fixed x);
51
52} // namespace AGS3
53
54#endif