141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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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.
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* See the 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://gnu.org/licenses
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*/
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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 "sound/sound.h"
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#include "common/thread/worker_thread.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 <memory>
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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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{
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OldMusic() = default;
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OldMusic(const OldMusic&) = delete;
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OldMusic& operator=(const OldMusic&) = delete;
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// Workaround for MSVC2013
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OldMusic(OldMusic&& other)
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: music(std::move(other.music)),
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fadeTime(std::move(other.fadeTime)),
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currentTime(std::move(other.currentTime))
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{}
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OldMusic& operator=(OldMusic&& other)
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{
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music = std::move(other.music);
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fadeTime = std::move(other.fadeTime);
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currentTime = std::move(other.currentTime);
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return *this;
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}
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std::unique_ptr<CChannel> music;
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float fadeTime = 0.0f;
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float currentTime = 0.0f;
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inline friend bool operator<(const OldMusic & l, const OldMusic & r)
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{
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return l.currentTime < r.currentTime;
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}
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inline friend bool operator==(const OldMusic & l, const OldMusic & r)
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{
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return l.currentTime == r.currentTime;
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}
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};
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class CALSound : public CSoundInterface
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{
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public:
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CALSound();
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~CALSound();
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bool Create() override;
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void Reset() override;
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bool Cache(SoundType, const std::string &) override;
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void CacheMusic(const std::string &) override;
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bool IsCached(SoundType) override;
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bool IsCachedMusic(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 glm::vec3 &eye, const glm::vec3 &lookat) override;
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void FrameMove(float rTime) override;
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int Play(SoundType sound, float amplitude=1.0f, float frequency=1.0f, bool loop = false) override;
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int Play(SoundType sound, const glm::vec3 &pos, float amplitude=1.0f, float frequency=1.0f, bool loop = 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 glm::vec3 &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 mute) override;
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void PlayMusic(const std::string &filename, bool repeat, float fadeTime = 2.0f) override;
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void StopMusic(float fadeTime=2.0f) override;
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bool IsPlayingMusic() override;
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void 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 Play(SoundType sound, const glm::vec3 &pos, bool relativeToListener, float amplitude, float frequency, bool loop);
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int GetPriority(SoundType);
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bool SearchFreeBuffer(SoundType sound, int &channel, bool &alreadyLoaded);
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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_channelsLimit;
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ALCdevice* m_device;
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ALCcontext* m_context;
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std::map<SoundType, std::unique_ptr<CBuffer>> m_sounds;
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std::map<std::string, std::unique_ptr<CBuffer>> m_music;
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std::map<int, std::unique_ptr<CChannel>> m_channels;
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std::unique_ptr<CChannel> m_currentMusic;
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std::list<OldMusic> m_oldMusic;
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OldMusic m_previousMusic;
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glm::vec3 m_eye;
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glm::vec3 m_lookat;
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CWorkerThread m_thread;
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};
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