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#include "fsIAudioManager.h"

#include <fsCore/fsPlatform.h>
#include <fsCore/fsIFile.h>
#include <fsCore/src/debug/fsAssert.h>
#include <fsCore/src/fsCResourceName.h>
#include <fsCore/src/fsNCoreUtils.h>

#if defined fsFRAMEWORK_CX
	#include "impl/cocos2d-x/fsCAudioManager.h"
	#include "impl/cocos2d-x/fsCMusicInstance.h"
	#include "impl/cocos2d-x/fsCSoundEffectInstance.h"
	#include "impl/cocos2d-x/fsCCachedSoundEffect.h"
#elif defined fsFRAMEWORK_AX
	#include "impl/axmol/fsCAudioManager.h"
	#include "impl/axmol/fsCMusicInstance.h"
	#include "impl/axmol/fsCSoundEffectInstance.h"
	#include "impl/axmol/fsCCachedSoundEffect.h"
#elif defined fsFRAMEWORK_MG
	#include "impl/magnum/fsCAudioManager.h"
    #include "impl/magnum/fsCMusicInstance.h"
    #include "impl/magnum/fsCSoundEffectInstance.h"
    #include "impl/magnum/fsCCachedSoundEffect.h"
#elif defined fsFRAMEWORK_RL
    #include "impl/raylib/fsCAudioManager.h"
    #include "impl/raylib/fsCMusicInstance.h"
    #include "impl/raylib/fsCSoundEffectInstance.h"
    #include "impl/raylib/fsCCachedSoundEffect.h"
#elif defined fsFRAMEWORK_BF
    #include "impl/bgfx/fsCAudioManager.h"
    #include "impl/bgfx/fsCMusicInstance.h"
    #include "impl/bgfx/fsCSoundEffectInstance.h"
    #include "impl/bgfx/fsCCachedSoundEffect.h"
#else
	#error Unhandled platform.
#endif

fsF32 fsIAudioManager::globalVolumeGet() const
{
	return mGlobalVolume;
}

fsF32 fsIAudioManager::effectsVolumeGet() const
{
	return mSFXVolume;
}

void fsIAudioManager::update(fsS32 pDelta)
{
	updateDo(pDelta);
}

fsICachedSoundEffect* fsIAudioManager::effectGet(const fsCResourceName& pFileName)
{
	if (pFileName.nameGet().emptyGet())
	{
		return nullptr;
	}

	const fsCUniqueId effectId(pFileName.nameGet());
	auto effect = mCachedEffects.find(effectId);
	if (mCachedEffects.end() == effect)
	{
		if (!fsIFile::fileExistsGet(pFileName))
		{
			//fsAssert(0, "Missing sfx file: %s", pFileName.nameGet().utf8Get());
			return nullptr;
		}
		effect = mCachedEffects.insert(std::pair<fsCUniqueId, fsICachedSoundEffect*>
			(effectId, new fsCCachedSoundEffect(pFileName))).first;
	}
	return effect->second;
}

void fsIAudioManager::effectCache(const fsCResourceName& pFileName)
{
	effectGet(pFileName);
}

void fsIAudioManager::effectPlay(const fsCResourceName& pFileName, fsBool pLoop /*= false*/)
{
	if (auto effect = effectGet(pFileName))
	{
		effectPlayDo(effect, pLoop);
	}
}

void fsIAudioManager::pause()
{
	mTune->pause();
	for (auto effect : mLiveEffects)
	{
		if (nullptr != effect.first)
		{
			effect.first->pause();
		}
	}
}

void fsIAudioManager::resume()
{
	mTune->resume();
	for (auto effect : mLiveEffects)
	{
		if (nullptr != effect.first)
		{
			effect.first->resume();
		}
	}
}

void fsIAudioManager::effectsCacheFlush()
{
	effectsCacheFlushDo();

	for (auto& liveEffect : mLiveEffects)<--- Variable 'liveEffect' can be declared as reference to const
	{
		delete liveEffect.first;
	}
	mLiveEffects.clear();

	fsNCoreUtils::clearMapOfValuePtrs(mCachedEffects);
}

void fsIAudioManager::musicPlay(const fsCResourceName& pFileName)
{
	mTune->play(pFileName);
	musicVolumeSet(mMusicVolume);
}

void fsIAudioManager::musicStop()
{
	mTune->stop();
}

void fsIAudioManager::globalVolumeSet(fsF32 pGlobalVolume)
{
	mGlobalVolume = pGlobalVolume;
	musicVolumeSet(mMusicVolume);
	effectsVolumeSet(mSFXVolume);
}

void fsIAudioManager::musicVolumeSet(fsF32 pMusicVolume)
{
	mMusicVolume = pMusicVolume;
	mTune->volumeSet(mGlobalVolume * mMusicVolume);
}

void fsIAudioManager::effectsVolumeSet(fsF32 pEffectsVolume)
{
	mSFXVolume = pEffectsVolume;
	effectsVolumeSetDo(mGlobalVolume * mSFXVolume);
}

fsIAudioManager* fsIAudioManager::backendInstanceCreate()
{
	return new fsCAudioManager();
}

void fsIAudioManager::shutdown()
{
	mTune.reset();
	effectsCacheFlush();
}

fsIAudioManager::fsIAudioManager():
	mTune(std::make_unique<fsCMusicInstance>()),
	mGlobalVolume(1.0f),
	mMusicVolume(1.0f),
	mSFXVolume(1.0f)
{
}

fsIAudioManager::~fsIAudioManager()
{
}