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2026-02-02 04:50:13 +01:00

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2.7 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 KYRA_SOUND_HALESTORM_H
#define KYRA_SOUND_HALESTORM_H
#include "common/scummsys.h"
namespace Audio {
class Mixer;
}
namespace Common {
class SeekableReadStream;
}
namespace Kyra {
class HSSoundSystem;
class HalestormLoader {
public:
virtual ~HalestormLoader() {}
virtual Common::SeekableReadStream *getResource(uint16 id, uint32 type) = 0;
};
class HalestormDriver {
public:
HalestormDriver(HalestormLoader *res, Audio::Mixer *mixer);
~HalestormDriver();
enum InterpolationMode {
kNone = 0,
kSimple = 1,
kTable = 2
};
// The original driver would generate 8-bit sound, which makes
// sense, since most of the hardware had support for only that.
// However, the internal quality of the intermediate pcm stream
// (before the downsampling to 8-bit in the final pass) is a bit
// higher (up to 12 bits, depending on the channel use). I have
// added an "output16bit" option which will output the unmodified
// intermediate data (but converting it from unsigned to signed).
bool init(bool hiQuality, InterpolationMode imode, int numChanSfx, bool output16bit);
void registerSamples(const uint16 *resList, bool registerOnly);
void releaseSamples();
int changeSystemVoices(int numChanMusicTotal, int numChanMusicPoly, int numChanSfx);
void startSoundEffect(int id, int rate = 0);
void enqueueSoundEffect(int id, int rate, int note);
void stopSoundEffect(int id);
void stopAllSoundEffects();
enum HSCommands {
kSongPlayOnce = 0,
kSongPlayLoop = 1,
kSongAbort = 2,
kSongIsPlaying = 3,
kSongFadeOut = 10,
kSongFadeIn = 11,
kSongFadeGetState = 12,
kSongFadeReset = 13,
kSetRateAndIntrplMode = 14
};
int doCommand(int cmd, ...);
void setMusicVolume(int volume);
void setSoundEffectVolume(int volume);
private:
HSSoundSystem *_hs;
};
} // End of namespace Kyra
#endif