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scummvm-cursorfix/engines/zvision/sound/volume_manager.h
2026-02-02 04:50:13 +01:00

67 lines
2.0 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/>.
*
*/
#include "common/scummsys.h"
#include "math/angle.h"
#include "zvision/zvision.h"
#ifndef ZVISION_VOLUME_MANAGER
#define ZVISION_VOLUME_MANAGER
namespace ZVision {
enum volumeScaling {
kVolumeLinear,
kVolumePowerLaw,
kVolumeParabolic,
kVolumeCubic,
kVolumeQuartic,
kVolumeLogPower,
kVolumeLogAmplitude
};
class VolumeManager {
public:
VolumeManager(ZVision *engine, volumeScaling mode);
~VolumeManager() {};
volumeScaling getMode() const {
return _mode;
}
void setMode(volumeScaling mode) {
_mode = mode;
}
uint8 convert(uint8 inputValue);
uint8 convert(uint8 inputValue, volumeScaling &mode);
uint8 convert(uint8 inputValue, Math::Angle azimuth, uint8 directionality = 255);
uint8 convert(uint8 inputValue, volumeScaling &mode, Math::Angle azimuth, uint8 directionality = 255);
#if defined(USE_MPEG2) && defined(USE_A52)
double getVobAmplification(Common::String fileName) const;
#endif
private:
uint _scriptScale = 100; // Z-Vision scripts internally use a volume scale of 0-100; ScummVM uses a scale of 0-255.
volumeScaling _mode = kVolumeLinear;
};
} // End of namespace ZVision
#endif