assimp/code/MD2FileData.h

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2012, assimp team
All rights reserved.

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  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
  copyright notice, this list of conditions and the
  following disclaimer in the documentation and/or other
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* Neither the name of the assimp team, nor the names of its
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  written permission of the assimp team.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
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*/

/** @file  MD2FileData.h
 *  @brief Defines helper data structures for importing MD2 files  
 *  http://linux.ucla.edu/~phaethon/q3/formats/md2-schoenblum.html
 */
#ifndef AI_MD2FILEHELPER_H_INC
#define AI_MD2FILEHELPER_H_INC

#include "../include/assimp/types.h"
#include "../include/assimp/mesh.h"
#include "../include/assimp/anim.h"

#include "./../include/assimp/Compiler/pushpack1.h"

namespace Assimp	{
namespace MD2	{

// to make it easier for us, we test the magic word against both "endianesses"
#define AI_MD2_MAGIC_NUMBER_BE	AI_MAKE_MAGIC("IDP2")
#define AI_MD2_MAGIC_NUMBER_LE	AI_MAKE_MAGIC("2PDI")

// common limitations
#define AI_MD2_VERSION			15
#define AI_MD2_MAXQPATH			64
#define AI_MD2_MAX_FRAMES		512
#define AI_MD2_MAX_SKINS		32	
#define AI_MD2_MAX_VERTS		2048	
#define AI_MD2_MAX_TRIANGLES	4096	

// ---------------------------------------------------------------------------
/**	\brief Data structure for the MD2 main header
 */
struct Header
{
	uint32_t magic; 
	uint32_t version; 
	uint32_t skinWidth; 
	uint32_t skinHeight; 
	uint32_t frameSize; 
	uint32_t numSkins; 
	uint32_t numVertices; 
	uint32_t numTexCoords; 
	uint32_t numTriangles; 
	uint32_t numGlCommands; 
	uint32_t numFrames; 
	uint32_t offsetSkins; 
	uint32_t offsetTexCoords; 
	uint32_t offsetTriangles; 
	uint32_t offsetFrames; 
	uint32_t offsetGlCommands; 
	uint32_t offsetEnd; 

} PACK_STRUCT;

// ---------------------------------------------------------------------------
/**	\brief Data structure for a MD2 OpenGl draw command
 */
struct GLCommand
{
   float s, t;
   uint32_t vertexIndex;
} PACK_STRUCT;

// ---------------------------------------------------------------------------
/**	\brief Data structure for a MD2 triangle
 */
struct Triangle
{
	uint16_t vertexIndices[3];
	uint16_t textureIndices[3];
} PACK_STRUCT;

// ---------------------------------------------------------------------------
/**	\brief Data structure for a MD2 vertex
 */
struct Vertex
{
	uint8_t vertex[3];
	uint8_t lightNormalIndex;
} PACK_STRUCT;

// ---------------------------------------------------------------------------
/**	\brief Data structure for a MD2 frame
 */
struct Frame
{
	float scale[3];
	float translate[3];
	char name[16];
	Vertex vertices[1];
} PACK_STRUCT;

// ---------------------------------------------------------------------------
/**	\brief Data structure for a MD2 texture coordinate
 */
struct TexCoord
{
	uint16_t s;
	uint16_t t;
} PACK_STRUCT;

// ---------------------------------------------------------------------------
/**	\brief Data structure for a MD2 skin
 */
struct Skin
{
	char name[AI_MD2_MAXQPATH];              /* texture file name */
} PACK_STRUCT;

#include "./../include/assimp/Compiler/poppack1.h"


// ---------------------------------------------------------------------------
//! Lookup a normal vector from Quake's normal lookup table
//! \param index Input index (0-161)
//! \param vOut Receives the output normal
void LookupNormalIndex(uint8_t index,aiVector3D& vOut);


}
}

#endif // !! include guard