1 files changed, 68 insertions, 0 deletions
diff --git a/Runtime/Input/TouchPhaseEmulation.h b/Runtime/Input/TouchPhaseEmulation.h
new file mode 100644
index 0000000..e18c1ca
--- /dev/null
+++ b/Runtime/Input/TouchPhaseEmulation.h
@@ -0,0 +1,68 @@
+#ifndef __UNITY_INPUT_TOUCHPHASEEMULATION_H
+#define __UNITY_INPUT_TOUCHPHASEEMULATION_H
+
+#include "Runtime/Math/Vector2.h"
+#include "GetInput.h"
+
+class TouchImpl;
+
+class TouchPhaseEmulation
+{
+public:
+			 TouchPhaseEmulation(float screenDPI, bool singleTouchDevice);
+	virtual	~TouchPhaseEmulation();
+
+public:
+
+	void	InitTouches();
+	void	PreprocessTouches();
+	void	PostprocessTouches();
+
+	enum TouchPhase
+	{
+		kTouchBegan			= 0,
+		kTouchMoved			= 1,
+		kTouchStationary	= 2,
+		kTouchEnded			= 3,
+		kTouchCanceled		= 4
+	};
+
+	void	AddTouchEvent (int pointerId, float x, float y, TouchPhase newPhase, long long timestamp);
+	size_t	GetTouchCount();
+	size_t	GetActiveTouchCount();
+	bool	GetTouch(size_t index, Touch& touch);
+
+	bool	IsMultiTouchEnabled ();
+	void	SetMultiTouchEnabled (bool enabled);
+
+private:
+
+	void	DispatchTouchEvent (size_t pointerId, Vector2f pos, TouchPhase newPhase, long long timestamp, size_t currFrame);
+	bool	IsExistingTouch( int pointerId );
+
+	enum { kMaxTouchCount = 32 };
+
+	size_t		FindByPointerId(TouchImpl* matchingSlots[kMaxTouchCount], size_t pointerId);
+	TouchImpl*	AllocateNew();
+	void		ExpireOld(TouchImpl& touch);
+	int			CompactFingerID(int id);
+	void		FreeExpiredTouches (size_t eventFrame, long long timestamp);
+
+	void	DiscardRedundantTouches();
+	void	UpdateActiveTouches();
+	int		CalculateTapCount( long long timestamp, Vector2f const &pos ) const;
+
+#if DEBUG_TOUCH_EMU
+	void DumpAll (bool verbose=false);
+#endif
+
+	TouchImpl*	m_TouchSlots; //[kMaxTouchCount];
+	UInt32		m_AllocatedFingerIDs;		// holds one bit per finger
+	size_t 		m_FrameCount;
+	const float	m_ScreenDPI;
+	bool 		m_IsMultiTouchEnabled;
+	const bool	m_IsSingleTouchDevice;
+
+};
+
+#endif // __UNITY_INPUT_TOUCHPHASEEMULATION_H