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122 lines
3.4 KiB
C++
122 lines
3.4 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef TWINE_SOUND_H
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#define TWINE_SOUND_H
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#include "audio/mixer.h"
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#include "common/scummsys.h"
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namespace TwinE {
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/** Total number of samples allowed in the game */
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#define NUM_SAMPLES 243
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#define NUM_CHANNELS 32
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class TwinEEngine;
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class Sound {
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private:
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TwinEEngine *_engine;
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/** Get the channel where the sample is playing */
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int32 getSampleChannel(int32 index);
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/** Samples playing at the same time */
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Audio::SoundHandle samplesPlaying[NUM_CHANNELS];
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/** Samples playing at a actors position */
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int32 samplesPlayingActors[NUM_CHANNELS]{0};
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bool playSample(int channelIdx, int index, uint8 *sampPtr, int32 sampSize, int32 loop, const char *name);
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public:
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Sound(TwinEEngine *engine);
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bool isChannelPlaying(int32 channel);
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/** Table with all loaded samples */
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uint8 *samplesTable[NUM_SAMPLES]{nullptr};
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/** Table with all loaded samples sizes */
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uint32 samplesSizeTable[NUM_SAMPLES]{0};
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/**
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* Sample volume
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* @param channel sample channel
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* @param volume sample volume number
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*/
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void sampleVolume(int32 channel, int32 volume);
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/**
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* Play FLA movie samples
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* @param index sample index under flasamp.hqr file
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* @param frequency frequency used to play the sample
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* @param repeat number of times to repeat the sample
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* @param x unknown x variable
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* @param y unknown y variable
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*/
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void playFlaSample(int32 index, int32 frequency, int32 repeat, int32 x, int32 y);
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/** Update sample position in channel */
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void setSamplePosition(int32 channelIdx, int32 x, int32 y, int32 z);
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/**
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* Play samples
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* @param index sample index under flasamp.hqr file
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* @param frequency frequency used to play the sample
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* @param repeat number of times to repeat the sample
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* @param x unknown x variable
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* @param y unknown y variable
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* @param z unknown z variable
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*/
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void playSample(int32 index, int32 frequency, int32 repeat, int32 x, int32 y, int32 z, int32 actorIdx);
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/** Pause samples */
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void pauseSamples();
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/** Resume samples */
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void resumeSamples();
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/** Stop samples */
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void stopSamples();
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/** Get the channel where the actor sample is playing */
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int32 getActorChannel(int32 index);
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/** Stops a specific sample */
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void stopSample(int32 index);
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/** Find a free channel slot to use */
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int32 getFreeSampleChannelIndex();
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/** Remove a sample from the channel usage list */
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void removeSampleChannel(int32 index);
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/** Check if a sample is playing */
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int32 isSamplePlaying(int32 index);
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/** Play VOX sample */
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void playVoxSample(int32 index);
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};
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} // namespace TwinE
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#endif
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