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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _EFX_H_
#define _EFX_H_
#include <string>
#include <al.h>
#include <alc.h>
#include <efx.h>
#include "EFXPresets.h"
#include "System/UnorderedMap.hpp"
/// Default sound effects system implementation
class CEFX
{
public:
CEFX(ALCdevice* device);
~CEFX();
void SetPreset(const std::string& name, bool verbose = true, bool commit = true);
void CommitEffects();
void Enable();
void Disable();
void SetHeightRolloffModifer(const float& mod);
public:
/// @see ConfigHandler::ConfigNotifyCallback
void ConfigNotify(const std::string& key, const std::string& value);
void SetAirAbsorptionFactor(ALfloat value);
ALfloat GetAirAbsorptionFactor() const { return airAbsorptionFactor; }
int updates;
int maxSlots;
bool enabled;
bool supported;
EAXSfxProps sfxProperties;
ALuint sfxSlot;
ALuint sfxReverb;
ALuint sfxFilter;
ALuint maxSlotsPerSource;
private:
ALfloat airAbsorptionFactor;
// reduces the rolloff when camera is high above the ground (so we still hear something in tab mode or far zoom)
static float heightRolloffModifier;
private:
// information about the supported features
spring::unsynced_map<ALuint, bool> effectsSupported;
spring::unsynced_map<ALuint, bool> filtersSupported;
};
//! init in Sound.cpp
extern CEFX* efx;
#endif // _EFX_H_
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