colobot/colobot-base/sound/oalsound/alsound.h

141 lines
4.4 KiB
C++

/*
* This file is part of the Colobot: Gold Edition source code
* Copyright (C) 2001-2023, Daniel Roux, EPSITEC SA & TerranovaTeam
* http://epsitec.ch; http://colobot.info; http://github.com/colobot
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://gnu.org/licenses
*/
/**
* \file alsound.h
* \brief OpenAL implementation of sound system
*/
#pragma once
#include "sound/sound.h"
#include "common/thread/worker_thread.h"
#include "sound/oalsound/buffer.h"
#include "sound/oalsound/channel.h"
#include "sound/oalsound/check.h"
#include <map>
#include <memory>
#include <string>
#include <list>
#include <al.h>
struct OldMusic
{
OldMusic() = default;
OldMusic(const OldMusic&) = delete;
OldMusic& operator=(const OldMusic&) = delete;
// Workaround for MSVC2013
OldMusic(OldMusic&& other)
: music(std::move(other.music)),
fadeTime(std::move(other.fadeTime)),
currentTime(std::move(other.currentTime))
{}
OldMusic& operator=(OldMusic&& other)
{
music = std::move(other.music);
fadeTime = std::move(other.fadeTime);
currentTime = std::move(other.currentTime);
return *this;
}
std::unique_ptr<CChannel> music;
float fadeTime = 0.0f;
float currentTime = 0.0f;
inline friend bool operator<(const OldMusic & l, const OldMusic & r)
{
return l.currentTime < r.currentTime;
}
inline friend bool operator==(const OldMusic & l, const OldMusic & r)
{
return l.currentTime == r.currentTime;
}
};
class CALSound : public CSoundInterface
{
public:
CALSound();
~CALSound();
bool Create() override;
void Reset() override;
bool Cache(SoundType, const std::string &) override;
void CacheMusic(const std::string &) override;
bool IsCached(SoundType) override;
bool IsCachedMusic(const std::string &) override;
bool GetEnable() override;
void SetAudioVolume(int volume) override;
int GetAudioVolume() override;
void SetMusicVolume(int volume) override;
int GetMusicVolume() override;
void SetListener(const glm::vec3 &eye, const glm::vec3 &lookat) override;
void FrameMove(float rTime) override;
int Play(SoundType sound, float amplitude=1.0f, float frequency=1.0f, bool loop = false) override;
int Play(SoundType sound, const glm::vec3 &pos, float amplitude=1.0f, float frequency=1.0f, bool loop = false) override;
bool FlushEnvelope(int channel) override;
bool AddEnvelope(int channel, float amplitude, float frequency, float time, SoundNext oper) override;
bool Position(int channel, const glm::vec3 &pos) override;
bool Frequency(int channel, float frequency) override;
bool Stop(int channel) override;
bool StopAll() override;
bool MuteAll(bool mute) override;
void PlayMusic(const std::string &filename, bool repeat, float fadeTime = 2.0f) override;
void StopMusic(float fadeTime=2.0f) override;
bool IsPlayingMusic() override;
void PlayPauseMusic(const std::string &filename, bool repeat) override;
void StopPauseMusic() override;
private:
void CleanUp();
int Play(SoundType sound, const glm::vec3 &pos, bool relativeToListener, float amplitude, float frequency, bool loop);
int GetPriority(SoundType);
bool SearchFreeBuffer(SoundType sound, int &channel, bool &alreadyLoaded);
bool CheckChannel(int &channel);
bool m_enabled;
float m_audioVolume;
float m_musicVolume;
unsigned int m_channelsLimit;
ALCdevice* m_device;
ALCcontext* m_context;
std::map<SoundType, std::unique_ptr<CBuffer>> m_sounds;
std::map<std::string, std::unique_ptr<CBuffer>> m_music;
std::map<int, std::unique_ptr<CChannel>> m_channels;
std::unique_ptr<CChannel> m_currentMusic;
std::list<OldMusic> m_oldMusic;
OldMusic m_previousMusic;
glm::vec3 m_eye;
glm::vec3 m_lookat;
CWorkerThread m_thread;
};