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ResourceCompiler/CryVertexBinding.h

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+/////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+//	Crytek Character Animation source code
+//	
+//	History:
+//	11/05/2002 - Created by Sergiy Migdalskiy <sergiy@crytek.de>
+//
+//  Contains:
+//  Declaration of CryVertexBinding, a class incapsulating the array of links of a vertex to bone.
+//  This class is only used during construction of the geometry, and shouldn't be used for 
+//  calculating the actual skin in the run time.
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef _CRY_VERTEX_BINDING_HDR_
+#define _CRY_VERTEX_BINDING_HDR_
+
+// array of crylinks for one vertex
+class CryVertexBinding: public std::vector<CryLink>
+{
+public:
+	CryVertexBinding ();
+	// scales all the link offsets multiplying the offset by the given scale
+	void scaleOffsets(float fScale);
+	// sorts the links by the blending factor, descending order
+	void sortByBlendingDescending();
+	// normalizes the weights of links so that they sum up to 1
+	void normalizeBlendWeights();
+	// prunes the weights that are less than the specified minimal blending factor.
+	// Leaves (unpruned) at least the first numMinLinks links
+	// ASSUMES:that the links are already sorted by the blending factors in descending order
+	void pruneSmallWeights(float fMinBlending, unsigned numMinLinks = 1);
+	// remaps the bone ids
+	void remapBoneIds (const unsigned* arrBoneIdMap, unsigned numBoneIds);
+
+	// returns the maximum BoneID in the array of links
+	unsigned maxBoneID ()const;
+	// returns the minimal BoneID in the array of links
+	unsigned minBoneID () const;
+
+	// returns the link weight to the given bone
+	float getBoneWeight (int nBoneID) const;
+
+	// returns true if there is such bone weight
+	bool hasBoneWeight (int nBoneID, float fWeight) const;
+};
+
+
+#endif