NazaraEngine/include/Nazara/Audio/OpenALDevice.hpp

118 lines
3.7 KiB
C++

// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Audio module"
// For conditions of distribution and use, see copyright notice in Export.hpp
#pragma once
#ifndef NAZARA_AUDIO_OPENALDEVICE_HPP
#define NAZARA_AUDIO_OPENALDEVICE_HPP
#if defined(NAZARA_AUDIO_OPENAL) || defined(NAZARA_AUDIO_BUILD)
#include <NazaraUtils/Prerequisites.hpp>
#include <Nazara/Audio/AudioDevice.hpp>
#include <Nazara/Audio/Enums.hpp>
#include <Nazara/Audio/Export.hpp>
#include <Nazara/Audio/OpenAL.hpp>
#include <NazaraUtils/Algorithm.hpp>
#include <NazaraUtils/EnumArray.hpp>
#include <NazaraUtils/MovablePtr.hpp>
#include <array>
#include <string>
namespace Nz
{
class OpenALLibrary;
enum class OpenALExtension
{
SourceLatency,
ThreadLocalContext,
Max = SourceLatency
};
using ALFunction = void(*)(void);
class NAZARA_AUDIO_API OpenALDevice : public AudioDevice
{
friend OpenALLibrary;
struct SymbolLoader;
friend SymbolLoader;
public:
OpenALDevice(OpenALLibrary& library, ALCdevice* device);
OpenALDevice(const OpenALDevice&) = delete;
OpenALDevice(OpenALDevice&&) = delete;
~OpenALDevice();
bool ClearErrorFlag() const;
std::shared_ptr<AudioBuffer> CreateBuffer() override;
std::shared_ptr<AudioSource> CreateSource() override;
float GetDopplerFactor() const override;
inline ALFunction GetFunctionByIndex(std::size_t funcIndex) const;
float GetGlobalVolume() const override;
inline OpenALLibrary& GetLibrary();
inline const OpenALLibrary& GetLibrary() const;
Vector3f GetListenerDirection(Vector3f* up = nullptr) const override;
Vector3f GetListenerPosition() const override;
Quaternionf GetListenerRotation() const override;
Vector3f GetListenerVelocity() const override;
float GetSpeedOfSound() const override;
const void* GetSubSystemIdentifier() const override;
inline bool IsExtensionSupported(OpenALExtension extension) const;
bool IsFormatSupported(AudioFormat format) const override;
void MakeContextCurrent() const;
template<typename... Args> void PrintFunctionCall(std::size_t funcIndex, Args... args) const;
bool ProcessErrorFlag() const;
void SetDopplerFactor(float dopplerFactor) override;
void SetGlobalVolume(float volume) override;
void SetListenerDirection(const Vector3f& direction, const Vector3f& up = Vector3f::Up()) override;
void SetListenerPosition(const Vector3f& position) override;
void SetListenerVelocity(const Vector3f& velocity) override;
void SetSpeedOfSound(float speed) override;
inline ALenum TranslateAudioFormat(AudioFormat format) const;
OpenALDevice& operator=(const OpenALDevice&) = delete;
OpenALDevice& operator=(OpenALDevice&&) = delete;
static const OpenALDevice* GetCurrentDevice();
// We give each device its own set of function pointer, even though regular OpenAL extensions are always the same (for a set library).
// This makes it easier to wrap them (for error handling), and extension pointers are device-local anyway.
#define NAZARA_AUDIO_AL_ALC_FUNCTION(name) decltype(&::name) name;
#include <Nazara/Audio/OpenALFunctions.hpp>
private:
enum class FunctionIndex
{
#define NAZARA_AUDIO_AL_ALC_FUNCTION(name) name,
#include <Nazara/Audio/OpenALFunctions.hpp>
Count
};
std::array<ALFunction, UnderlyingCast(FunctionIndex::Count)> m_originalFunctionPointer;
std::string m_renderer;
std::string m_vendor;
EnumArray<AudioFormat, ALenum> m_audioFormatValues;
EnumArray<OpenALExtension, ALenum> m_extensionStatus;
OpenALLibrary& m_library;
MovablePtr<ALCcontext> m_context;
MovablePtr<ALCdevice> m_device;
};
}
#include <Nazara/Audio/OpenALDevice.inl>
#endif // NAZARA_AUDIO_OPENAL
#endif // NAZARA_AUDIO_OPENALDEVICE_HPP