scummvm/engines/illusions/fixedpoint.h
2021-12-26 18:48:43 +01:00

44 lines
1.5 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ILLUSIONS_FIXEDPOINT_H
#define ILLUSIONS_FIXEDPOINT_H
#include "common/rect.h"
namespace Illusions {
typedef int32 FixedPoint16;
FixedPoint16 floatToFixed(float value);
float fixedToFloat(FixedPoint16 value);
FixedPoint16 fixedMul(FixedPoint16 a, FixedPoint16 b);
FixedPoint16 fixedDiv(FixedPoint16 a, FixedPoint16 b);
int16 fixedTrunc(FixedPoint16 value);
FixedPoint16 fixedDistance(FixedPoint16 x1, FixedPoint16 y1, FixedPoint16 x2, FixedPoint16 y2);
FixedPoint16 fixedAtan(FixedPoint16 value);
FixedPoint16 fixedCos(FixedPoint16 value);
FixedPoint16 fixedSin(FixedPoint16 value);
} // End of namespace Illusions
#endif // ILLUSIONS_FIXEDPOINT_H