106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
// * This file is part of the COLOBOT source code
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// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
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// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
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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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* \file alsound.h
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* \brief OpenAL implementation of sound system
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*/
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#pragma once
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#include "common/logger.h"
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#include "sound/sound.h"
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#include "sound/oalsound/buffer.h"
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#include "sound/oalsound/channel.h"
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#include "sound/oalsound/check.h"
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#include <map>
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#include <string>
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#include <list>
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#include <al.h>
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struct OldMusic {
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Channel* music;
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float fadeTime;
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float currentTime;
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};
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class ALSound : public CSoundInterface
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{
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public:
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ALSound();
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~ALSound();
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bool Create() override;
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bool Cache(Sound, const std::string &) override;
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bool CacheMusic(const std::string &) override;
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bool GetEnable() override;
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void SetAudioVolume(int volume) override;
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int GetAudioVolume() override;
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void SetMusicVolume(int volume) override;
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int GetMusicVolume() override;
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void SetListener(const Math::Vector &eye, const Math::Vector &lookat) override;
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void FrameMove(float rTime) override;
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int Play(Sound sound, float amplitude=1.0f, float frequency=1.0f, bool bLoop = false) override;
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int Play(Sound sound, const Math::Vector &pos, float amplitude=1.0f, float frequency=1.0f, bool bLoop = false) override;
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bool FlushEnvelope(int channel) override;
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bool AddEnvelope(int channel, float amplitude, float frequency, float time, SoundNext oper) override;
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bool Position(int channel, const Math::Vector &pos) override;
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bool Frequency(int channel, float frequency) override;
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bool Stop(int channel) override;
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bool StopAll() override;
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bool MuteAll(bool bMute) override;
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bool PlayMusic(int rank, bool bRepeat, float fadeTime=2.0f) override;
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bool PlayMusic(const std::string &filename, bool bRepeat, float fadeTime=2.0f) override;
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bool RestartMusic() override;
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void SuspendMusic() override;
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void StopMusic(float fadeTime=2.0f) override;
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bool IsPlayingMusic() override;
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bool PlayPauseMusic(const std::string &filename, bool repeat) override;
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void StopPauseMusic() override;
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private:
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void CleanUp();
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int GetPriority(Sound);
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bool SearchFreeBuffer(Sound sound, int &channel, bool &bAlreadyLoaded);
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bool CheckChannel(int &channel);
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bool m_enabled;
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float m_audioVolume;
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float m_musicVolume;
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unsigned int m_channels_limit;
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ALCdevice* m_device;
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ALCcontext* m_context;
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std::map<Sound, Buffer*> m_sounds;
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std::map<std::string, Buffer*> m_music;
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std::map<int, Channel*> m_channels;
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Channel *m_currentMusic;
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std::list<OldMusic> m_oldMusic;
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OldMusic m_previousMusic;
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Math::Vector m_eye;
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Math::Vector m_lookat;
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};
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