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CryAnimation/ControllerPackedBSpline.h

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+/////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+//	Crytek Character Animation source code
+//	
+//	History:
+//	Created by Sergiy Migdalskiy
+//	
+//  Notes:
+//    CControllerPackedBSpline class declaration
+//    See the CControllerPackedBSpline comment for more info
+//
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef _CRYTEK_CONTROLLER_PACKED_BSPLINE_HEADER_
+#define _CRYTEK_CONTROLLER_PACKED_BSPLINE_HEADER_
+
+#include "BSplineVec3dPacked.h"
+
+///////////////////////////////////////////////////////////////////////////
+// class CControllerPackedBSpline
+// Implementation of IController interface (see File:Controller.h)
+// Controller implementing the packed representation of BSpline, exported
+// from the Motion Optimizer utility
+///////////////////////////////////////////////////////////////////////////
+class CControllerPackedBSpline: public IController
+{
+public:
+	// Loads (initializes) controller from the given chunk. The chunk descriptor is followed by the 
+	// chunk data immediately. Returns true if successful
+  bool Load(const CONTROLLER_CHUNK_DESC_0826* pChunk, int nSize, float scale); 
+
+	// each controller has an ID, by which it is identifiable
+	unsigned GetID () const {return m_nControllerId;}
+
+	//  returns orientation of the controller at the given time
+	CryQuat GetOrientation (float t);
+
+	//  returns the orientation of the controller at the given time, in logarithmic space
+	Vec3 GetOrientation2(float t);
+
+	// returns position of the controller at the given time
+	Vec3 GetPosition (float t);
+
+	// returns scale of the controller at the given time
+	Vec3 GetScale (float t)
+	{
+		return Vec3(1,1,1);
+	}
+	
+	// retrieves the position and orientation within one call
+	// may be optimal in some applications
+	void GetValue (float t, CryQuat& q, Vec3 &p);
+
+	// retrieves the position and orientation (in the logarithmic space, i.e. instead of quaternion, its logarithm is returned)
+	// may be optimal for motion interpolation
+	void GetValue2 (float t, PQLog& pq);
+
+	// returns the start time
+	virtual float GetTimeStart ()
+	{
+		return min(m_pPos->getTimeMin(), m_pRot->getTimeMin());
+	}
+
+	// returns the end time
+	virtual float GetTimeEnd()
+	{
+		return max(m_pPos->getTimeMax(), m_pRot->getTimeMax());
+	}
+
+	ILog* GetLog()const;
+
+	size_t sizeofThis ()const;
+protected:
+	// Controller ID, used for identification purposes (bones are bound to controllers using their IDs
+	unsigned m_nControllerId;
+
+	// packed splines for position and orientation.
+	// orientational data is represented by logarithmic mapping of the quaternion.
+	// may be one of 4 formats of packed splines.
+	IBSpline3Packed_AutoPtr m_pPos, m_pRot;
+};
+
+TYPEDEF_AUTOPTR(CControllerPackedBSpline);
+
+#endif