assimp.assimp/code/Q3BSPFileData.h

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

Copyright (c) 2006-2008, ASSIMP Development Team
All rights reserved.

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  following disclaimer.

* Redistributions in binary form must reproduce the above
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  written permission of the ASSIMP Development 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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*/
#ifndef ASSIMP_Q3BSPFILEDATA_H_INC
#define ASSIMP_Q3BSPFILEDATA_H_INC

#include <vector>

namespace Assimp
{
namespace Q3BSP
{

static const unsigned int CE_BSP_LIGHTMAPSIZE = 128*128*3;	///< = 128( width ) * 128 ( height ) * 3 ( channels / RGB ).
static const int VERION_Q3LEVEL = 46;						///< Supported version.

///	Geometric type enumeration
enum Q3BSPGeoType
{
	Polygon = 1,
	Patch, 
	TriangleMesh,
	Billboard 
};

///	Integer vector.
struct ceVec3i 
{
    int x, y, z;
	ceVec3i(): x( 0 ), y( 0 ), z( 0 ) { /* empty */ }
	ceVec3i( int iX, int iY=0, int iZ=0) : x( iX ), y( iY ), z( iZ ) { /* empty */ }
};

///	Fileheader
struct sQ3BSPHeader 
{
	char strID[ 4 ];	//!< Should be "IBSP"
	int iVersion;	//!< 46 for standard levels
};

///	Descripes an entry.
struct sQ3BSPLump 
{
	int iOffset;	///< Offset from startpointer of file
	int iSize;		///< Size fo part
};

struct vec2f
{
	float x,y;
};

struct vec3f
{
	float x, y, z;
};

///	Vertex of a Q3 level
struct sQ3BSPVertex 
{
	vec3f vPosition;	///< Position of vertex
	vec2f vTexCoord;	///< (u,v) Texturecoordinate of detailtexture
	vec2f vLightmap;	///< (u,v) Texturecoordinate of lightmap
	vec3f vNormal;		///< vertex normale
	unsigned char bColor[ 4 ];			///< Color in RGBA
};

///	A face in bsp format info
struct sQ3BSPFace 
{
	int iTextureID;					///< Index in texture array
	int iEffect;					///< Index in effectarray (-1 = no effect)
	int iType;						///< 1=Polygon, 2=Patch, 3=Mesh, 4=Billboard
	int iVertexIndex;				///< Start index of polygon
	int iNumOfVerts;				///< Number of vertices
	int	iFaceVertexIndex;			///< Index of first mesh vertex
	int iNumOfFaceVerts;			///< Anzahl der Meshvertices
	int iLightmapID;				///< Index to the lightmap array
	int iLMapCorner[ 2 ];			///< Die Ecke der Lightmap in der Textur
	int iLMapSize[ 2 ];				///< Size of the lightmap stored on the texture
	vec3f vLMapPos;					///< 3D-Ursprung der Lightmap
	vec3f vLMapVecs[ 2 ];			///< 3D-s-t-Vektoren
	vec3f vNormal;					///< Polygonnormale
	int patchWidth, patchHeight;	///< bezier patch
};

/// A quake3 texture name.
struct sQ3BSPTexture 
{
	char strName[ 64 ];		///< Name of the texture without extention
	int iFlags;				///< Not used
	int iContents;			///< Not used
};

///	A lightmap of the level, size 128 x 128, RGB components.
struct sQ3BSPLightmap 
{
	unsigned char bLMapData[ CE_BSP_LIGHTMAPSIZE ];
	sQ3BSPLightmap() 
	{	
		memset(bLMapData, 0, CE_BSP_LIGHTMAPSIZE ); 
	}
};

struct SubPatch
{
	std::vector<size_t> indices;
	int lightmapID;
};

enum eLumps 
{
	kEntities = 0,
	kTextures,
	kPlanes,
	kNodes,
	kLeafs,
	kLeafFaces,
	kLeafBrushes,
	kModels,
	kBrushes,
	kBrushSides,
	kVertices,
	kMeshVerts,
	kShaders,
	kFaces,
	kLightmaps,
	kLightVolumes,
	kVisData,
	kMaxLumps
};

struct Q3BSPModel
{
	std::vector<unsigned char> m_Data;
	std::vector<sQ3BSPLump*> m_Lumps;
	std::vector<sQ3BSPVertex*> m_Vertices;
	std::vector<sQ3BSPFace*> m_Faces;
	std::vector<int> m_Indices;
	std::vector<sQ3BSPTexture*> m_Textures;
	std::vector<sQ3BSPLightmap*> m_Lightmaps;
	std::vector<char> m_EntityData;
	std::string m_ModelName;

	Q3BSPModel() :
		m_Data(),
		m_Lumps(),
		m_Vertices(),
		m_Faces(),
		m_Indices(),
		m_Textures(),
		m_Lightmaps(),
		m_EntityData()
	{
		// empty
	}
};

}
}

#endif // ASSIMP_Q3BSPFILEDATA_H_INC