1 files changed, 175 insertions, 0 deletions
diff --git a/Runtime/Filters/Mesh/CompressedMesh.h b/Runtime/Filters/Mesh/CompressedMesh.h
new file mode 100644
index 0000000..cf2f01c
--- /dev/null
+++ b/Runtime/Filters/Mesh/CompressedMesh.h
@@ -0,0 +1,175 @@
+#ifndef COMPRESSEDMESH_H
+#define COMPRESSEDMESH_H
+
+#include "Runtime/Serialize/SerializeUtility.h"
+#include "Runtime/Animation/AnimationClip.h"
+class Mesh;
+class AnimationClip;
+
+enum
+{
+	kMeshCompressionOff = 0,
+	kMeshCompressionLow = 1,
+	kMeshCompressionMed = 2,
+	kMeshCompressionHigh = 3,
+};
+
+typedef std::vector<UInt8> DataVector;
+
+class PackedFloatVector 
+{
+public: 
+	DECLARE_SERIALIZE (PackedBitVector)
+	
+	PackedFloatVector() { m_NumItems = 0; m_Range = 0; m_Start = 0; m_BitSize = 0; }
+	
+	void PackFloats(float *data, int chunkSize, int chunkStride, int chunkCount, int bitSize, bool adjustBitSize);
+	void UnpackFloats(float *data, int chunkSize, int chunkStride, int start = 0, int count = -1);
+	int Count() {return m_NumItems;}
+	
+private:
+	UInt32 m_NumItems;
+	float m_Range;
+	float m_Start;
+	UInt8 m_BitSize;
+	std::vector<UInt8> m_Data;
+};
+
+class PackedIntVector 
+{
+public: 
+	DECLARE_SERIALIZE (PackedBitVector)
+	
+	PackedIntVector() { m_NumItems = 0; m_BitSize = 0; }
+	
+	template <class IntSize> void PackInts(IntSize *data, int numItems);
+	template <class IntSize> void UnpackInts(IntSize *data);
+	int Count() {return m_NumItems;}
+	
+private:
+	UInt32 m_NumItems;
+	UInt8 m_BitSize;
+	std::vector<UInt8> m_Data;
+};
+
+class PackedQuatVector 
+{
+public: 
+	DECLARE_SERIALIZE (PackedBitVector)
+	
+	PackedQuatVector() {m_NumItems = 0;}
+	
+	void PackQuats(Quaternionf *data, int numItems);
+	void UnpackQuats(Quaternionf *data);
+	int Count() {return m_NumItems;}
+	
+private:
+	UInt32 m_NumItems;
+	std::vector<UInt8> m_Data;
+};
+
+class CompressedMesh
+{
+public:
+	DECLARE_SERIALIZE (CompressedMesh)
+		
+	void Compress(Mesh &src, int quality);
+	void Decompress(Mesh &src);	
+	
+private:
+	PackedFloatVector m_Vertices;
+	PackedFloatVector m_UV;
+
+	// TODO: This never gets written. Unity 3.4 and 3.5 never wrote this data.
+	// Most likely no version ever did. Remove code and bindpose serialization.
+	PackedFloatVector m_BindPoses;
+
+	PackedFloatVector m_Normals;
+	PackedIntVector m_NormalSigns;
+	PackedFloatVector m_Tangents;
+	PackedIntVector m_TangentSigns;
+	PackedIntVector m_Weights;
+	PackedIntVector m_BoneIndices;
+	PackedIntVector m_Triangles;
+	PackedIntVector m_Colors;
+};
+
+template<class TransferFunc>
+void PackedFloatVector::Transfer (TransferFunc& transfer) {
+	TRANSFER ( m_NumItems );
+	TRANSFER( m_Range );
+	TRANSFER( m_Start );
+	TRANSFER( m_Data );
+	TRANSFER( m_BitSize );
+	transfer.Align();
+}
+
+template<class TransferFunc>
+void PackedIntVector::Transfer (TransferFunc& transfer) {
+	TRANSFER( m_NumItems );
+	TRANSFER( m_Data );
+	TRANSFER( m_BitSize );
+	transfer.Align();
+}
+
+template<class TransferFunc>
+void PackedQuatVector::Transfer (TransferFunc& transfer) {
+	TRANSFER( m_NumItems );
+	TRANSFER( m_Data );
+	transfer.Align();
+}
+
+template<class TransferFunc>
+void CompressedMesh::Transfer (TransferFunc& transfer) {
+	TRANSFER( m_Vertices );
+	TRANSFER( m_UV );
+	TRANSFER( m_BindPoses );
+	TRANSFER( m_Normals );
+	TRANSFER( m_Tangents );
+	TRANSFER( m_Weights );
+	TRANSFER( m_NormalSigns );
+	TRANSFER( m_TangentSigns );
+	TRANSFER( m_BoneIndices );
+	TRANSFER( m_Triangles );
+	TRANSFER( m_Colors );
+}
+
+class CompressedAnimationCurve
+{
+public:
+	DECLARE_SERIALIZE (CompressedAnimationCurve)
+
+	CompressedAnimationCurve() { m_PreInfinity = 0; m_PostInfinity = 0; }
+		
+	void CompressQuatCurve(AnimationClip::QuaternionCurve &src);
+	void DecompressQuatCurve(AnimationClip::QuaternionCurve &src);	
+		
+private:
+
+	template <class T> void CompressTimeKeys(AnimationCurveTpl<T> &src);
+	template <class T> void DecompressTimeKeys(AnimationCurveTpl<T> &src);	
+
+	PackedIntVector m_Times;
+	PackedQuatVector m_Values;
+	PackedFloatVector m_Slopes;
+	
+	int   m_PreInfinity;
+	int   m_PostInfinity;	
+	
+	UnityStr m_Path;
+};
+
+template<class TransferFunc>
+void CompressedAnimationCurve::Transfer (TransferFunc& transfer) {
+	
+	TRANSFER( m_Path );
+
+	TRANSFER( m_Times );
+	TRANSFER( m_Values );
+	TRANSFER( m_Slopes );
+
+	TRANSFER( m_PreInfinity );
+	TRANSFER( m_PostInfinity );
+}
+
+#endif