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ResourceCompilerPC/CrySkinBase.h

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+#ifndef _CRY_ANIMATION_CRY_SKIN_BASE_HDR_
+#define _CRY_ANIMATION_CRY_SKIN_BASE_HDR_
+
+#include "SSEUtils.h"
+#include "CrySkinTypes.h"
+
+// this is the base for the actual skins
+// the actual skin does the validation and calculates the skin
+class CrySkinBase
+{
+public:
+	void clear();
+	bool empty()const;
+
+	void scaleVertices (float fScale);
+
+	//version for little-endian
+	unsigned Serialize_PC (bool bSave, void* pBuffer, unsigned nBufSize);
+
+	//version for big-endian
+	unsigned Serialize_GC (bool bSave, void* pBuffer, unsigned nBufSize);
+	
+	// returns the number of bytes occupied by this structure and all its contained objects
+	unsigned sizeofThis()const;
+
+	// this structure contains the statistical information about this skin; its calculation
+	// may take significant time and should not be used in game run time (only for debugging purposes
+	// and to output statistics in the tools)
+  class CStatistics
+	{
+	public:
+		CStatistics (const CrySkinBase*pSkin);
+		
+		unsigned numBones;
+		unsigned numSkipBones;
+		unsigned numAuxInts;
+		unsigned numVertices;
+	};
+	friend class CStatistics;
+
+	unsigned numBones() const {return m_numBones;}
+	unsigned numSkipBones() const {return m_numSkipBones;}
+protected:
+	CrySkinBase();
+	~CrySkinBase ();
+	void init (unsigned numVerts, unsigned numAux, unsigned numSkipBones, unsigned numBones);
+
+	typedef CrySkinVertexAligned Vertex;
+
+	// transforms the given _vector_ without applying the transitional part
+	//void transformVectorNoTrans (Vec3& pDest, const Vec3& pSrc, const Matrix& matBone);
+
+
+	// transforms the given smooth point into the destination with the matrix
+	static void transformWPoint (Vec3& pDest, const Matrix44& matBone, const Vertex& rVtx);
+
+	// adds the given smooth point into the destination with the matrix
+	static void addWPoint (Vec3& pDest, const Matrix44& matBone, const Vertex& rVtx);
+
+	// transforms the given smooth point into the destination with the matrix
+	static void transformWVector (Vec3& pDest, const Matrix44& matBone, const Vertex& rVtx);
+
+	// adds the given smooth point into the destination with the matrix
+	static void addWVector (Vec3& pDest, const Matrix44& matBone, const Vertex& rVtx);
+
+	//typedef TIncContAllocator<Vertex, &g_VectorAllocator> VertexAllocator;
+	//typedef TIncContAllocator<CrySkinAuxInt, &g_VectorAllocator> AuxIntAllocator;
+	typedef TAllocator16<Vertex> VertexAllocator;
+
+	// the vertex stream: contains the rigid and smooth vertex structures
+	typedef TFixedArray<Vertex, VertexAllocator> VertexArray;
+	VertexArray m_arrVertices;
+
+	// the auxiliary stream: contains the number of vertices in each group, and the group vertices' destination idices (for smooth vertices only)
+	TFixedArray<CrySkinAuxInt> m_arrAux;
+	// the total number of bones, NOT taking the m_numSkipBones into account
+	unsigned m_numBones;
+	// additional flexibility: skip m_numSkipBones bones before performing skinning;
+	// useful for optimizing the skin which has only one or a few bones' influences
+	unsigned m_numSkipBones;
+
+	// this is the header structure for serialization
+	struct SerialHeader
+	{
+		void initFromSkin(const CrySkinBase* pSkin)
+		{
+			numBones = pSkin->m_numBones;
+			numSkipBones = pSkin->m_numSkipBones;
+			numDests = pSkin->m_numDests;
+			numAuxInts = (unsigned)pSkin->m_arrAux.size();
+			numVertices = (unsigned)pSkin->m_arrVertices.size();
+		}
+
+		unsigned numBones;
+		unsigned numSkipBones;
+		unsigned numDests;
+		unsigned numAuxInts;
+		unsigned numVertices;
+	};
+
+	// the total number of destination vertices
+	unsigned m_numDests;
+};
+
+#endif