1 files changed, 260 insertions, 0 deletions
diff --git a/Runtime/Audio/AudioReverbZone.cpp b/Runtime/Audio/AudioReverbZone.cpp
new file mode 100644
index 0000000..b76080d
--- /dev/null
+++ b/Runtime/Audio/AudioReverbZone.cpp
@@ -0,0 +1,260 @@
+#include "UnityPrefix.h"
+#include "Configuration/UnityConfigure.h"
+#if ENABLE_AUDIO_FMOD
+#include "AudioReverbZone.h"
+#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
+#include "AudioManager.h"
+#include "Runtime/Graphics/Transform.h"
+#include "AudioBehaviour.h"
+#include "Runtime/Audio/correct_fmod_includer.h"
+#include "Runtime/Utilities/Utility.h"
+#include "AudioTypes.h" 
+
+extern FMOD_REVERB_PROPERTIES ReverbPresets [];
+
+AudioReverbZone::AudioReverbZone (MemLabelId label, ObjectCreationMode mode) :
+	Super(label, mode),
+	m_MinDistance(10.0f),
+	m_MaxDistance(15.0f),
+	m_FMODReverb(NULL),
+	m_ReverbPreset(1),
+	m_Node(this)
+{
+	ChangeProperties();
+}
+
+AudioReverbZone::~AudioReverbZone ()
+{
+	Cleanup();	
+	GetAudioManager().RemoveAudioReverbZone(this);
+}
+
+void AudioReverbZone::Cleanup()
+{
+	if (m_FMODReverb)
+	{
+		m_FMODReverb->release();
+		m_FMODReverb = NULL;
+	}
+}
+
+void AudioReverbZone::VerifyValues()
+{
+	if (m_MinDistance < 0)
+		m_MinDistance = 0;
+	if (m_MaxDistance < m_MinDistance)
+		m_MaxDistance = m_MinDistance;	
+	m_Room = clamp(m_Room, -10000, 0);
+	m_RoomHF = clamp(m_RoomHF,  -10000, 0);
+	m_RoomLF = clamp(m_RoomLF,  -10000, 0);
+	m_DecayTime = clamp(m_DecayTime, 0.1f, 20.0f);
+	m_DecayHFRatio = clamp(m_DecayHFRatio, 0.1f, 2.0f);
+	m_Reflections = clamp(m_Reflections, -10000, 1000);
+	m_ReflectionsDelay = clamp(m_ReflectionsDelay,0.0f, 0.3f);
+	m_Reverb = clamp(m_Reverb, -10000, 2000);
+	m_ReverbDelay = clamp(m_ReverbDelay, 0.0f, 0.1f);
+	m_HFReference = clamp(m_HFReference, 1000.0f, 20000.0f);
+	m_LFReference = clamp(m_LFReference, 20.0f, 1000.0f);
+	m_RoomRolloffFactor = clamp(m_RoomRolloffFactor, 0.0f, 10.0f);
+	m_Diffusion = clamp(m_Diffusion, 0.0f, 100.0f);
+	m_Density = clamp(m_Density, 0.0f, 100.0f);
+}
+
+
+void AudioReverbZone::Reset()
+{
+	Super::Reset();
+	
+	m_MinDistance = 10.0f;
+	m_MaxDistance = 15.0f;
+	m_ReverbPreset = 1;
+	
+	ChangeProperties();
+}
+
+void AudioReverbZone::CheckConsistency ()
+{
+	Super::CheckConsistency();
+	VerifyValues();
+}
+
+
+void AudioReverbZone::RemoveFromManager()
+{
+	if (m_FMODReverb)
+		m_FMODReverb->setActive(false);
+	GetAudioManager().RemoveAudioReverbZone(this);
+}
+
+
+void AudioReverbZone::AddToManager()
+{
+	Init();
+	GetAudioManager().AddAudioReverbZone(this);
+}
+
+void AudioReverbZone::Init()
+{
+	if (m_FMODReverb == NULL)
+	{
+		FMOD_RESULT result = GetAudioManager().GetFMODSystem()->createReverb( &m_FMODReverb );
+		if (FMOD_OK != result)
+			ErrorString(FMOD_ErrorString(result)); 
+	}
+	
+	m_FMODReverb->setActive(true);
+	
+	SetFMODValues();
+
+	// needed, otherwise sounds playing in the very first frame may not be connected to the master reverb dsp unit
+	GetAudioManager().GetFMODSystem()->update();
+}
+
+void AudioReverbZone::SetFMODValues ()
+{
+	if (m_FMODReverb)
+	{
+		Vector3f p = GetComponent(Transform).GetPosition(); 
+		FMOD_RESULT result;
+		result = m_FMODReverb->set3DAttributes(reinterpret_cast<FMOD_VECTOR*> (&p), m_MinDistance, m_MaxDistance);
+		Assert(FMOD_OK == result);
+		FMOD_REVERB_PROPERTIES prop = GetReverbProperty(m_ReverbPreset);
+		result = m_FMODReverb->setProperties(&prop);
+		Assert(FMOD_OK == result);
+	}
+}
+
+void AudioReverbZone::ChangeProperties()
+{
+	FMOD_REVERB_PROPERTIES prop = GetReverbProperty(m_ReverbPreset);
+	// read back values
+	m_Room = prop.Room;
+	m_RoomHF = prop.RoomHF;
+	m_DecayTime = prop.DecayTime; 
+	m_DecayHFRatio = prop.DecayHFRatio;
+	m_Reflections = prop.Reflections;
+	m_ReflectionsDelay = prop.ReflectionsDelay;
+	m_Reverb = prop.Reverb;
+	m_ReverbDelay = prop.ReverbDelay;
+	m_HFReference = prop.HFReference;
+	m_RoomRolloffFactor = 0.0F;
+	m_Diffusion = prop.Diffusion;
+	m_Density = prop.Density;
+	m_RoomLF = prop.RoomLF;
+	m_LFReference = prop.LFReference;
+	
+}
+
+void AudioReverbZone::AwakeFromLoad(AwakeFromLoadMode mode)
+{
+	Super::AwakeFromLoad(mode);
+	ChangeProperties();
+	SetFMODValues();
+	SetDirty(); // ??
+}
+
+float AudioReverbZone::GetMinDistance() const
+{
+	return m_MinDistance;
+}
+
+float AudioReverbZone::GetMaxDistance() const
+{
+	return m_MaxDistance;
+}
+
+void AudioReverbZone::Update()
+{
+	Assert (m_FMODReverb);
+	
+	// Position
+	Vector3f p = GetComponent(Transform).GetPosition(); 
+	FMOD_VECTOR& pos = UNITYVEC2FMODVEC(p); 		
+	m_FMODReverb->set3DAttributes(&pos, m_MinDistance, m_MaxDistance);
+}
+
+void AudioReverbZone::SetMinDistance(float minDistance) 
+{
+	m_MinDistance = minDistance;
+	VerifyValues();
+	SetFMODValues();
+	SetDirty();
+}
+
+void AudioReverbZone::SetMaxDistance(float maxDistance) 
+{
+	m_MaxDistance = maxDistance;
+	VerifyValues();
+	SetFMODValues();
+	SetDirty();
+}
+
+void AudioReverbZone::SetReverbPreset(int reverbPreset) 
+{
+	if (m_ReverbPreset != reverbPreset)
+	{
+		m_ReverbPreset = reverbPreset;
+		ChangeProperties();
+		SetDirty();
+	}
+}
+
+FMOD_REVERB_PROPERTIES AudioReverbZone::GetReverbProperty(int preset)
+{
+	if (preset < 27)
+		return ReverbPresets [preset];
+	else
+	{
+		FMOD_REVERB_PROPERTIES prop = FMOD_PRESET_OFF;
+		prop.Room = m_Room; // room effect level (at mid frequencies)
+		prop.RoomHF = m_RoomHF; // relative room effect level at high frequencies	
+		prop.DecayTime = m_DecayTime; // reverberation decay time at mid frequencies
+		prop.DecayHFRatio =  m_DecayHFRatio; //  high-frequency to mid-frequency decay time ratio	
+		prop.Reflections = m_Reflections; // early reflections level relative to room effect
+		prop.ReflectionsDelay = m_ReflectionsDelay; //  initial reflection delay time
+		prop.Reverb = m_Reverb; //  late reverberation level relative to room effect
+		prop.ReverbDelay = m_ReverbDelay; //  late reverberation delay time relative to initial reflection 
+		prop.HFReference = m_HFReference; // reference high frequency (hz)
+		//prop.RoomRolloffFactor = m_RoomRolloffFactor; //  like rolloffscale in global settings, but for reverb room size effect
+		prop.Diffusion = m_Diffusion; //  Value that controls the echo density in the late reverberation decay
+		prop.Density =  m_Density; // Value that controls the modal density in the late reverberation decay
+		prop.RoomLF = m_RoomLF; 
+		prop.LFReference = m_LFReference; // reference low frequency (hz)
+		return prop;
+	}		
+}
+
+
+int AudioReverbZone::GetReverbPreset() const
+{
+	return m_ReverbPreset;
+}
+
+
+template<class TransferFunc>
+void AudioReverbZone::Transfer (TransferFunc& transfer)
+{
+	Super::Transfer (transfer);
+	TRANSFER(m_MinDistance);
+	TRANSFER(m_MaxDistance);
+	TRANSFER(m_ReverbPreset);
+	TRANSFER(m_Room); // room effect level (at mid frequencies)
+	TRANSFER(m_RoomHF); // relative room effect level at high frequencies	
+	TRANSFER(m_DecayTime); // reverberation decay time at mid frequencies
+	TRANSFER(m_DecayHFRatio); //  high-frequency to mid-frequency decay time ratio	
+	TRANSFER(m_Reflections); // early reflections level relative to room effect
+	TRANSFER(m_ReflectionsDelay); //  initial reflection delay time
+	TRANSFER(m_Reverb); //  late reverberation level relative to room effect
+	TRANSFER(m_ReverbDelay); //  late reverberation delay time relative to initial reflection 
+	TRANSFER(m_HFReference); // reference high frequency (hz)
+	TRANSFER(m_RoomRolloffFactor); //  like rolloffscale in global settings, but for reverb room size effect
+	TRANSFER(m_Diffusion); //  Value that controls the echo density in the late reverberation decay
+	TRANSFER(m_Density); // Value that controls the modal density in the late reverberation decay
+	TRANSFER(m_LFReference); // reference low frequency (hz)
+	TRANSFER(m_RoomLF);
+}
+
+
+IMPLEMENT_CLASS (AudioReverbZone)
+IMPLEMENT_OBJECT_SERIALIZE (AudioReverbZone)
+#endif //ENABLE_AUDIO