99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef KYRA_SOUND_HALESTORM_H
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#define KYRA_SOUND_HALESTORM_H
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#include "common/scummsys.h"
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namespace Audio {
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class Mixer;
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}
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namespace Common {
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class SeekableReadStream;
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}
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namespace Kyra {
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class HSSoundSystem;
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class HalestormLoader {
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public:
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virtual ~HalestormLoader() {}
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virtual Common::SeekableReadStream *getResource(uint16 id, uint32 type) = 0;
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};
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class HalestormDriver {
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public:
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HalestormDriver(HalestormLoader *res, Audio::Mixer *mixer);
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~HalestormDriver();
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enum InterpolationMode {
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kNone = 0,
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kSimple = 1,
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kTable = 2
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};
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// The original driver would generate 8-bit sound, which makes
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// sense, since most of the hardware had support for only that.
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// However, the internal quality of the intermediate pcm stream
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// (before the downsampling to 8-bit in the final pass) is a bit
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// higher (up to 12 bits, depending on the channel use). I have
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// added an "output16bit" option which will output the unmodified
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// intermediate data (but converting it from unsigned to signed).
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bool init(bool hiQuality, InterpolationMode imode, int numChanSfx, bool output16bit);
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void registerSamples(const uint16 *resList, bool registerOnly);
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void releaseSamples();
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int changeSystemVoices(int numChanMusicTotal, int numChanMusicPoly, int numChanSfx);
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void startSoundEffect(int id, int rate = 0);
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void enqueueSoundEffect(int id, int rate, int note);
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void stopSoundEffect(int id);
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void stopAllSoundEffects();
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enum HSCommands {
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kSongPlayOnce = 0,
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kSongPlayLoop = 1,
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kSongAbort = 2,
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kSongIsPlaying = 3,
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kSongFadeOut = 10,
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kSongFadeIn = 11,
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kSongFadeGetState = 12,
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kSongFadeReset = 13,
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kSetRateAndIntrplMode = 14
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};
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int doCommand(int cmd, ...);
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void setMusicVolume(int volume);
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void setSoundEffectVolume(int volume);
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private:
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HSSoundSystem *_hs;
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};
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} // End of namespace Kyra
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#endif
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