ScummVM API documentation
fixedpoint.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 ILLUSIONS_FIXEDPOINT_H
23#define ILLUSIONS_FIXEDPOINT_H
24
25#include "common/rect.h"
26
27namespace Illusions {
28
29typedef int32 FixedPoint16;
30
31FixedPoint16 floatToFixed(float value);
32float fixedToFloat(FixedPoint16 value);
33FixedPoint16 fixedMul(FixedPoint16 a, FixedPoint16 b);
34FixedPoint16 fixedDiv(FixedPoint16 a, FixedPoint16 b);
35int16 fixedTrunc(FixedPoint16 value);
36FixedPoint16 fixedDistance(FixedPoint16 x1, FixedPoint16 y1, FixedPoint16 x2, FixedPoint16 y2);
37FixedPoint16 fixedAtan(FixedPoint16 value);
38FixedPoint16 fixedCos(FixedPoint16 value);
39FixedPoint16 fixedSin(FixedPoint16 value);
40
41} // End of namespace Illusions
42
43#endif // ILLUSIONS_FIXEDPOINT_H