/*

Open Asset Import Library (assimp)

----------------------------------------------------------------------

Copyright (c) 2006-2026, assimp team

All rights reserved.

Redistribution and use of this software in source and binary forms,

with or without modification, are permitted provided that the

following conditions are met:

* Redistributions of source code must retain the above

  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

  materials provided with the distribution.

* Neither the name of the assimp team, nor the names of its

  contributors may be used to endorse or promote products

  derived from this software without specific prior

  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

LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

----------------------------------------------------------------------

*/

#ifndef ASSIMP_Q3BSPFILEDATA_H_INC

#define ASSIMP_Q3BSPFILEDATA_H_INC

#include <vector>

#include <string.h>

#include <string>

namespace Assimp {

namespace Q3BSP {

static const unsigned int CE_BSP_LIGHTMAPWIDTH = 128;

static const unsigned int CE_BSP_LIGHTMAPHEIGHT = 128;

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 */ }

};

/// the file header

struct sQ3BSPHeader {

    char strID[ 4 ]; ///< Should be "IBSP"

    int iVersion;    ///< 46 for standard levels

};

/// Describes an entry.

struct sQ3BSPLump {

    int iOffset;    ///< Offset from start pointer of file

    int iSize;      ///< Size of 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 normal

    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 effect array (-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;            ///< number of mesh vertices

    int iLightmapID;                ///< Index to the light-map array

    int iLMapCorner[ 2 ];           ///< edge of the light-map in texture

    int iLMapSize[ 2 ];             ///< Size of the light-map stored on the texture

    vec3f vLMapPos;                 ///< 3D origin of the light-map

    vec3f vLMapVecs[ 2 ];           ///< 3D-s-t-vectors

    vec3f vNormal;                  ///< Polygon normals

    int patchWidth, patchHeight;    ///< bezier patch

};

/// A quake3 texture name.

struct sQ3BSPTexture {

    char strName[ 64 ];     ///< Name of the texture without extension

    int iFlags;             ///< Not used

    int iContents;          ///< Not used

};

/// A light-map 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() = default;

    ~Q3BSPModel() {

        for ( unsigned int i=0; i<m_Lumps.size(); i++ ) {

            delete m_Lumps[ i ];

        }

        for ( unsigned int i=0; i<m_Vertices.size(); i++ ) {

            delete m_Vertices[ i ];

        }

        for ( unsigned int i=0; i<m_Faces.size(); i++ ) {

            delete m_Faces[ i ];

        }

        for ( unsigned int i=0; i<m_Textures.size(); i++ ) {

            delete m_Textures[ i ];

        }

        for ( unsigned int i=0; i<m_Lightmaps.size(); i++ ) {

            delete m_Lightmaps[ i ];

        }

        m_Lumps.clear();

        m_Vertices.clear();

        m_Faces.clear();

        m_Textures.clear();

        m_Lightmaps.clear();

    }

};

} // Namespace Q3BSP

} // Namespace Assimp

#endif // ASSIMP_Q3BSPFILEDATA_H_INC