138 lines
5.2 KiB
C++
138 lines
5.2 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 BLADERUNNER_AMBIENT_SOUNDS_H
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#define BLADERUNNER_AMBIENT_SOUNDS_H
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#include "bladerunner/bladerunner.h" // For BLADERUNNER_ORIGINAL_SETTINGS symbol
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#include "audio/audiostream.h"
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#include "audio/mixer.h"
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#include "common/str.h"
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namespace BladeRunner {
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class BladeRunnerEngine;
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class SaveFileReadStream;
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class SaveFileWriteStream;
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class AmbientSounds {
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static const int kNonLoopingSounds = 25;
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static const int kLoopingSounds = 3;
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static const Audio::Mixer::SoundType kAmbientSoundType = Audio::Mixer::kPlainSoundType;
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struct NonLoopingSound {
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bool isActive;
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Common::String name;
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int32 hash;
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int audioPlayerTrack;
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uint32 delayMin; // milliseconds
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uint32 delayMax; // milliseconds
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uint32 nextPlayTimeStart; // milliseconds
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uint32 nextPlayTimeDiff; // milliseconds
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int volumeMin; // should be in [0, 100]
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int volumeMax; // should be in [0, 100]
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int volume; // should be in [0, 100] (calculated as a random value within [volumeMin, volumeMax]
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int panStartMin; // should be in [-100, 100]
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int panStartMax; // should be in [-100, 100]
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int panEndMin; // should be in [-100, 100], with "-101" being a special value for skipping pan (balance) adjustment
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int panEndMax; // should be in [-100, 100], with "-101" being a special value for skipping pan (balance) adjustment
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int priority; // should be in [0, 100]
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int32 soundType; // new - not stored in saved games
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};
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struct LoopingSound {
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bool isActive;
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Common::String name;
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int32 hash;
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int audioPlayerTrack;
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int volume; // should be in [0, 100]
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int pan; // should be in [-100, 100]
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int32 soundType; // new - not stored in saved games
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};
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BladeRunnerEngine *_vm;
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NonLoopingSound *_nonLoopingSounds;
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LoopingSound *_loopingSounds;
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int _ambientVolumeFactorOriginalEngine; // should be in [0, 100]
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public:
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AmbientSounds(BladeRunnerEngine *vm);
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~AmbientSounds();
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void addSound(int sfxId,
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uint32 delayMinSeconds, uint32 delayMaxSeconds,
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int volumeMin, int volumeMax,
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int panStartMin, int panStartMax,
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int panEndMin, int panEndMax,
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int priority, int unk);
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void removeNonLoopingSound(int sfxId, bool stopPlaying);
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void removeAllNonLoopingSounds(bool stopPlaying);
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void addSpeech(int actorId, int sentenceId,
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uint32 delayMinSeconds, uint32 delayMaxSeconds,
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int volumeMin, int volumeMax,
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int panStartMin, int panStartMax,
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int panEndMin, int panEndMax,
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int priority, int unk);
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void playSound(int sfxId, int volume, int panStart, int panEnd, int priority, Audio::Mixer::SoundType type = kAmbientSoundType);
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void playSpeech(int actorId, int sentenceId, int volume, int panStart, int panEnd, int priority);
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void addLoopingSound(int sfxId, int volume, int pan, uint32 delaySeconds, Audio::Mixer::SoundType type = kAmbientSoundType);
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void adjustLoopingSound(int sfxId, int volume, int pan, uint32 delaySeconds);
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// it seems there is little confusion in original code about delay parameter,
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// sometimes it is used as boolean in same way as stopPlaying from non looping
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void removeLoopingSound(int sfxId, uint32 delaySeconds);
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void removeAllLoopingSounds(uint32 delaySeconds);
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void tick();
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void setVolume(int volume);
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int getVolume() const;
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void playSample();
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void save(SaveFileWriteStream &f);
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void load(SaveFileReadStream &f);
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private:
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int findAvailableNonLoopingTrack() const;
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int findNonLoopingTrackByHash(int32 hash) const;
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int findAvailableLoopingTrack() const;
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int findLoopingTrackByHash(int32 hash) const;
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void addSoundByName(const Common::String &name,
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uint32 delayMinSeconds, uint32 delayMaxSeconds,
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int volumeMin, int volumeMax,
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int panStartMin, int panStartMax,
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int panEndMin, int panEndMax,
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int priority, int unk);
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void removeNonLoopingSoundByIndex(int index, bool stopPlaying);
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void removeLoopingSoundByIndex(int index, uint32 delaySeconds);
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};
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} // End of namespace BladeRunner
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#endif
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