Add the old Bullet 2.x obsolete demos, and CMake buildsystem files, and gradually move them to newer Bullet 3.x structure
Use statically linked freeglut, instead of dynamic glut for the obsolete Bullet 2.x demos Add the 'reset' method to b3GpuDynamicsWorld, and use it in the BasicGpuDemo (pretty slow in debug mode, use release mode) Don't crash in btCollisionWorld, if there is no collision dispatcher
This commit is contained in:
erwin coumans
295
ObsoleteDemos/BspDemo/BspLoader.h
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295
ObsoleteDemos/BspDemo/BspLoader.h
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU bteral Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU bteral Public License for more details.
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You should have received a copy of the GNU bteral Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#ifndef BSP_LOADER_H
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#define BSP_LOADER_H
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#include "LinearMath/btAlignedObjectArray.h"
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#define BSPMAXTOKEN 1024
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#define BSPMAX_KEY 32
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#define BSPMAX_VALUE 1024
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#define BSPCONTENTS_SOLID 1
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#define BSPCONTENTS_AREAPORTAL 0x8000
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#define BSPLUMP_ENTITIES 0
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#define BSPLUMP_SHADERS 1
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#define BSPLUMP_PLANES 2
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#define BSPLUMP_NODES 3
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#define BSPLUMP_LEAFS 4
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#define BSPLUMP_LEAFSURFACES 5
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#define BSPLUMP_LEAFBRUSHES 6
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#define LUMP_MODELS 7
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#define LUMP_BRUSHES 8
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#define LUMP_BRUSHSIDES 9
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#define LUMP_DRAWVERTS 10
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#define LUMP_DRAWINDEXES 11
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#define LUMP_SURFACES 13
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#define LUMP_LIGHTMAPS 14
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#define LUMP_LIGHTGRID 15
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#define LUMP_VISIBILITY 16
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#define HEADER_LUMPS 17
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#define MAX_QPATH 64
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typedef struct {
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int fileofs, filelen;
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} BSPLump;
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typedef float BSPVector3[3];
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typedef struct {
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int ident;
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int version;
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BSPLump lumps[HEADER_LUMPS];
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} BSPHeader;
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typedef struct {
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float mins[3], maxs[3];
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int firstSurface, numSurfaces;
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int firstBrush, numBrushes;
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} BSPModel;
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typedef struct {
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char shader[MAX_QPATH];
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int surfaceFlags;
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int contentFlags;
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} BSPShader;
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typedef struct {
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float normal[3];
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float dist;
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} BSPPlane;
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typedef struct {
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int planeNum;
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int children[2];
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int mins[3];
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int maxs[3];
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} BSPNode;
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typedef struct {
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int cluster;
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int area;
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int mins[3];
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int maxs[3];
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int firstLeafSurface;
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int numLeafSurfaces;
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int firstLeafBrush;
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int numLeafBrushes;
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} BSPLeaf;
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typedef struct {
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int planeNum;
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int shaderNum;
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} BSPBrushSide;
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typedef struct {
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int firstSide;
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int numSides;
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int shaderNum;
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} BSPBrush;
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typedef struct BSPPair {
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struct BSPPair *next;
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char *key;
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char *value;
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} BSPKeyValuePair;
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typedef struct {
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BSPVector3 origin;
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struct bspbrush_s *brushes;
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struct parseMesh_s *patches;
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int firstDrawSurf;
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BSPKeyValuePair *epairs;
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} BSPEntity;
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typedef enum {
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MST_BAD,
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MST_PLANAR,
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MST_PATCH,
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MST_TRIANGLE_SOUP,
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MST_FLARE
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} BSPMapSurface;
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typedef struct {
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int shaderNum;
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int fogNum;
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int surfaceType;
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int firstVert;
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int numVerts;
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int firstIndex;
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int numIndexes;
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int lightmapNum;
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int lightmapX, lightmapY;
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int lightmapWidth, lightmapHeight;
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BSPVector3 lightmapOrigin;
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BSPVector3 lightmapVecs[3];
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int patchWidth;
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int patchHeight;
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} BSPSurface;
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///GPL code from IdSofware to parse a Quake 3 BSP file
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///check that your platform define __BIG_ENDIAN__ correctly (in BspLoader.cpp)
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class BspLoader
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{
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int m_Endianness;
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public:
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BspLoader();
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bool loadBSPFile( void* memoryBuffer);
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const char* getValueForKey( const BSPEntity *ent, const char *key ) const;
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bool getVectorForKey( const BSPEntity *ent, const char *key, BSPVector3 vec );
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float getFloatForKey( const BSPEntity *ent, const char *key );
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void parseEntities( void );
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bool findVectorByName(float* outvec,const char* name);
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const BSPEntity * getEntityByValue( const char* name, const char* value);
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protected:
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void parseFromMemory (char *buffer, int size);
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bool isEndOfScript (bool crossline);
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bool getToken (bool crossline);
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char *copystring(const char *s);
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void stripTrailing( char *e );
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BSPKeyValuePair * parseEpair( void );
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bool parseEntity( void );
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short isLittleShort (short l);
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int isLittleLong (int l);
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float isLittleFloat (float l);
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int isBigLong (int l);
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short isBigShort (short l);
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float isBigFloat (float l);
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void swapBlock( int *block, int sizeOfBlock );
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int copyLump( BSPHeader *header, int lump, void *dest, int size );
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void swapBSPFile( void );
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public: //easier for conversion
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int m_num_entities;
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btAlignedObjectArray<BSPEntity> m_entities;
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int m_nummodels;
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btAlignedObjectArray<BSPModel> m_dmodels;
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int m_numShaders;
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btAlignedObjectArray<BSPShader> m_dshaders;
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int m_entdatasize;
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btAlignedObjectArray<char> m_dentdata;
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int m_numleafs;
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btAlignedObjectArray<BSPLeaf> m_dleafs;
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int m_numplanes;
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btAlignedObjectArray<BSPPlane> m_dplanes;
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int m_numnodes;
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btAlignedObjectArray<BSPNode> m_dnodes;
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int m_numleafsurfaces;
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btAlignedObjectArray<int> m_dleafsurfaces;
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int m_numleafbrushes;
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btAlignedObjectArray<int> m_dleafbrushes;
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int m_numbrushes;
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btAlignedObjectArray<BSPBrush> m_dbrushes;
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int m_numbrushsides;
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btAlignedObjectArray<BSPBrushSide> m_dbrushsides;
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int m_numLightBytes;
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btAlignedObjectArray<unsigned char> m_lightBytes;
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int m_numGridPoints;
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btAlignedObjectArray<unsigned char> m_gridData;
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int m_numVisBytes;
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btAlignedObjectArray<unsigned char> m_visBytes;
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int m_numDrawIndexes;
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btAlignedObjectArray<int> m_drawIndexes;
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int m_numDrawSurfaces;
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btAlignedObjectArray<BSPSurface> m_drawSurfaces;
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enum
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{
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BSP_LITTLE_ENDIAN = 0,
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BSP_BIG_ENDIAN = 1
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};
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//returns machines big endian / little endian
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//
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int getMachineEndianness();
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inline int machineEndianness()
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{
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return m_Endianness;
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}
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};
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#endif //BSP_LOADER_H
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