/*======================================================================



    	Unreal Vertex Animation data structure details

	Copyright 1997-2003 Epic Games, Inc. All Rights Reserved.



========================================================================*/



//

// Note: _WORD is an unsigned 16 bit word.

//       DWORD is an unsigned 32 bit word.

//         INT is a signed 32 bit integer.

//



class FVector

{

public:

	FLOAT X,Y,Z;

};







struct FJSDataHeader

{

	_WORD	NumPolys;

	_WORD	NumVertices;

	_WORD	BogusRot;  		 //(unused)

	_WORD	BogusFrame;		 //(unused)

	DWORD	BogusNormX,BogusNormY,BogusNormZ; //(unused)

	DWORD	FixScale; 		 //(unused)

	DWORD	Unused1,Unused2,Unused3; //(unused)

};



//

// Animation info.

//

struct FJSAnivHeader

{

	_WORD	NumFrames;		// Number of animation frames.

	_WORD	FrameSize;		// Size of one frame of animation.

};



// Texture coordinates associated with a vertex and one or more mesh triangles.

// All triangles sharing a vertex do not necessarily have the same texture

// coordinates at the vertex.

struct FMeshByteUV

{

	BYTE U;

	BYTE V;

};



//

// Mesh triangle.

//

struct FJSMeshTri

{

	_WORD		iVertex[3];		// Vertex indices.

	BYTE		Type;			// James' mesh type. (unused)

	BYTE		Color;			// Color for flat and Gouraud shaded. (unused)

	FMeshByteUV	Tex[3];			// Texture UV coordinates.

	BYTE		TextureNum;		// Source texture offset.

	BYTE		Flags;			// Unreal mesh flags (currently unused).

};



//

// One triangular polygon in a mesh, which references three vertices, and various drawing/texturing information.

//

struct FMeshTri

{

	_WORD		iVertex[3];	// Vertex indices.

	FMeshUV		Tex[3];		// Texture UV coordinates.

	DWORD		PolyFlags;	// Surface flags.

	INT		MaterialIndex;	// Source texture index.

};



//

// Animated vertices: 32 bits per vertex: packed 11,11,10 bit 3d vector.

//

struct FMeshVert

{

	// Variables.

	INT X:11; INT Y:11; INT Z:10;



	// Constructor.

	FMeshVert()

	{}

	FMeshVert( const FVector& In )

	: X((INT)In.X), Y((INT)In.Y), Z((INT)In.Z)

	{}



	// Functions.

	FVector Vector() const

	{

		return FVector( X, Y, Z );

	}

};