1 files changed, 41 insertions, 0 deletions
diff --git a/Runtime/Audio/AudioEchoFilter.h b/Runtime/Audio/AudioEchoFilter.h
new file mode 100644
index 0000000..3bdc5f9
--- /dev/null
+++ b/Runtime/Audio/AudioEchoFilter.h
@@ -0,0 +1,41 @@
+#ifndef __AUDIOECHO_FILTER_H__
+#define __AUDIOECHO_FILTER_H__
+
+#if ENABLE_AUDIO_FMOD
+
+#include "AudioSourceFilter.h"
+
+class AudioEchoFilter : public AudioFilter
+{
+public:
+	REGISTER_DERIVED_CLASS   (AudioEchoFilter, AudioFilter)
+		DECLARE_OBJECT_SERIALIZE (AudioEchoFilter)
+	AudioEchoFilter (MemLabelId label, ObjectCreationMode mode);
+
+	virtual void CheckConsistency ();
+	virtual void AddToManager();
+	virtual void Reset();
+
+	void Update();
+
+	float GetDelay() const { return m_Delay; }
+	void SetDelay(const float delay) { m_Delay = (unsigned)delay; Update(); SetDirty(); }
+
+	float GetDecayRatio() const { return m_DecayRatio;  }
+	void SetDecayRatio(const float decay) { m_DecayRatio = decay; Update(); SetDirty(); }
+	
+	float GetDryMix() const { return m_DryMix; }
+	void SetDryMix(const float drymix) { m_DryMix = drymix; Update(); SetDirty(); }
+	
+	float GetWetMix() const { return m_WetMix; }
+	void SetWetMix(const float wetmix) { m_WetMix = wetmix; Update(); SetDirty();  }	
+
+private:
+	unsigned m_Delay; // Echo delay in ms. 10 to 5000. Default = 500.  
+	float m_DecayRatio; // Echo decay per delay. 0 to 1. 1.0 = No decay, 0.0 = total decay (ie simple 1 line delay). Default = 0.5. 
+	float m_DryMix; // Volume of original signal to pass to output. 0.0 to 1.0. Default = 1.0. 
+	float m_WetMix; // Volume of echo signal to pass to output. 0.0 to 1.0. Default = 1.0.	
+};
+
+#endif //ENABLE_AUDIO
+#endif // ___AUDIOECHO_FILTER_H__