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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile: $
// $Date: $
// $NoKeywords: $
//=============================================================================//
#ifndef BSPLIB_H
#define BSPLIB_H
#ifdef _WIN32
#pragma once
#endif
#include "zip_utils.h"
#include "bspfile.h"
#include "utlvector.h"
#include "utlstring.h"
#include "utllinkedlist.h"
#include "byteswap.h"
#ifdef ENGINE_DLL
#include "zone.h"
#endif
#ifdef ENGINE_DLL
typedef CUtlVector<unsigned char, CHunkMemory<unsigned char> > CDispLightmapSamplePositions;#else
typedef CUtlVector<unsigned char> CDispLightmapSamplePositions;#endif
class ISpatialQuery;struct Ray_t;class Vector2D;struct portal_t;class CUtlBuffer;class IZip;
// this is only true in vrad
extern bool g_bHDR;
// default width/height of luxels in world units.
#define DEFAULT_LUXEL_SIZE ( 16.0f )
#define SINGLE_BRUSH_MAP (MAX_BRUSH_LIGHTMAP_DIM_INCLUDING_BORDER*MAX_BRUSH_LIGHTMAP_DIM_INCLUDING_BORDER)
#define SINGLEMAP (MAX_LIGHTMAP_DIM_INCLUDING_BORDER*MAX_LIGHTMAP_DIM_INCLUDING_BORDER)
struct entity_t{ Vector origin; int firstbrush; int numbrushes; epair_t *epairs;
// only valid for func_areaportals
int areaportalnum; int portalareas[2]; portal_t *m_pPortalsLeadingIntoAreas[2]; // portals leading into portalareas
};
extern int num_entities;extern entity_t entities[MAX_MAP_ENTITIES];
extern int nummodels;extern dmodel_t dmodels[MAX_MAP_MODELS];
extern int visdatasize;extern byte dvisdata[MAX_MAP_VISIBILITY];extern dvis_t *dvis;
extern CUtlVector<byte> dlightdataHDR;extern CUtlVector<byte> dlightdataLDR;extern CUtlVector<byte> *pdlightdata;extern CUtlVector<char> dentdata;
extern int numleafs;#if !defined( _X360 )
extern dleaf_t dleafs[MAX_MAP_LEAFS];#else
extern dleaf_t *dleafs;#endif
extern CUtlVector<dleafambientlighting_t> *g_pLeafAmbientLighting;extern CUtlVector<dleafambientindex_t> *g_pLeafAmbientIndex;extern unsigned short g_LeafMinDistToWater[MAX_MAP_LEAFS];
extern int numplanes;extern dplane_t dplanes[MAX_MAP_PLANES];
extern int numvertexes;extern dvertex_t dvertexes[MAX_MAP_VERTS];
extern int g_numvertnormalindices; // dfaces reference these. These index g_vertnormals.
extern unsigned short g_vertnormalindices[MAX_MAP_VERTNORMALS];
extern int g_numvertnormals; extern Vector g_vertnormals[MAX_MAP_VERTNORMALS];
extern int numnodes;extern dnode_t dnodes[MAX_MAP_NODES];
extern CUtlVector<texinfo_t> texinfo;
extern int numtexdata;extern dtexdata_t dtexdata[MAX_MAP_TEXDATA];
// displacement map .bsp file info
extern CUtlVector<ddispinfo_t> g_dispinfo;extern CUtlVector<CDispVert> g_DispVerts;extern CUtlVector<CDispTri> g_DispTris;extern CDispLightmapSamplePositions g_DispLightmapSamplePositions; // LUMP_DISP_LIGHTMAP_SAMPLE_POSITIONS
extern int numorigfaces;extern dface_t dorigfaces[MAX_MAP_FACES];
extern int g_numprimitives;extern dprimitive_t g_primitives[MAX_MAP_PRIMITIVES];
extern int g_numprimverts;extern dprimvert_t g_primverts[MAX_MAP_PRIMVERTS];
extern int g_numprimindices;extern unsigned short g_primindices[MAX_MAP_PRIMINDICES];
extern int numfaces;extern dface_t dfaces[MAX_MAP_FACES];
extern int numfaceids;extern CUtlVector<dfaceid_t> dfaceids;
extern int numfaces_hdr;extern dface_t dfaces_hdr[MAX_MAP_FACES];
extern int numedges;extern dedge_t dedges[MAX_MAP_EDGES];
extern int numleaffaces;extern unsigned short dleaffaces[MAX_MAP_LEAFFACES];
extern int numleafbrushes;extern unsigned short dleafbrushes[MAX_MAP_LEAFBRUSHES];
extern int numsurfedges;extern int dsurfedges[MAX_MAP_SURFEDGES];
extern int numareas;extern darea_t dareas[MAX_MAP_AREAS];
extern int numareaportals;extern dareaportal_t dareaportals[MAX_MAP_AREAPORTALS];
extern int numbrushes;extern dbrush_t dbrushes[MAX_MAP_BRUSHES];
extern int numbrushsides;extern dbrushside_t dbrushsides[MAX_MAP_BRUSHSIDES];
extern int *pNumworldlights;extern dworldlight_t *dworldlights;
extern Vector g_ClipPortalVerts[MAX_MAP_PORTALVERTS];extern int g_nClipPortalVerts;
extern dcubemapsample_t g_CubemapSamples[MAX_MAP_CUBEMAPSAMPLES];extern int g_nCubemapSamples;
extern int g_nOverlayCount;extern doverlay_t g_Overlays[MAX_MAP_OVERLAYS];extern doverlayfade_t g_OverlayFades[MAX_MAP_OVERLAYS]; // Parallel array of fade info in a separate lump to avoid breaking backwards compat
extern int g_nWaterOverlayCount;extern dwateroverlay_t g_WaterOverlays[MAX_MAP_WATEROVERLAYS];
extern CUtlVector<char> g_TexDataStringData;extern CUtlVector<int> g_TexDataStringTable;
extern int numleafwaterdata;extern dleafwaterdata_t dleafwaterdata[MAX_MAP_LEAFWATERDATA];
extern CUtlVector<CFaceMacroTextureInfo> g_FaceMacroTextureInfos;
extern CUtlVector<doccluderdata_t> g_OccluderData;extern CUtlVector<doccluderpolydata_t> g_OccluderPolyData;extern CUtlVector<int> g_OccluderVertexIndices;
// level flags - see LVLFLAGS_xxx in bspfile.h
extern uint32 g_LevelFlags;
// physics collision data
extern byte *g_pPhysCollide;extern int g_PhysCollideSize;extern byte *g_pPhysDisp;extern int g_PhysDispSize;
// Embedded pack/pak file
IZip *GetPakFile( void );IZip *GetSwapPakFile( void );void ClearPakFile( IZip *pak );void AddFileToPak( IZip *pak, const char *pRelativeName, const char *fullpath, IZip::eCompressionType compressionType = IZip::eCompressionType_None );void AddBufferToPak( IZip *pak, const char *pRelativeName, void *data, int length, bool bTextMode, IZip::eCompressionType compressionType = IZip::eCompressionType_None );void AddDirToPak( IZip *pak, const char *pDirPath, const char *pPakPrefix = NULL );bool FileExistsInPak( IZip *pak, const char *pRelativeName );bool ReadFileFromPak( IZip *pak, const char *pRelativeName, bool bTextMode, CUtlBuffer &buf );void RemoveFileFromPak( IZip *pak, const char *pRelativeName );int GetNextFilename( IZip *pak, int id, char *pBuffer, int bufferSize, int &fileSize );void ForceAlignment( IZip *pak, bool bAlign, bool bCompatibleFormat, unsigned int alignmentSize );
typedef bool (*CompressFunc_t)( CUtlBuffer &inputBuffer, CUtlBuffer &outputBuffer );typedef bool (*VTFConvertFunc_t)( const char *pDebugName, CUtlBuffer &sourceBuf, CUtlBuffer &targetBuf, CompressFunc_t pCompressFunc );typedef bool (*VHVFixupFunc_t)( const char *pVhvFilename, const char *pModelName, CUtlBuffer &sourceBuf, CUtlBuffer &targetBuf );
//-----------------------------------------------------------------------------
// Game lump memory storage
//-----------------------------------------------------------------------------
// NOTE: This is not optimal at all; since I expect client lumps to
// not be accessed all that often.
struct GameLump_t{ GameLumpId_t m_Id; unsigned short m_Flags; unsigned short m_Version; CUtlMemory< unsigned char > m_Memory;};
//-----------------------------------------------------------------------------
// Handle to a game lump
//-----------------------------------------------------------------------------
typedef unsigned short GameLumpHandle_t;
class CGameLump{public: //-----------------------------------------------------------------------------
// Convert four-CC code to a handle + back
//-----------------------------------------------------------------------------
GameLumpHandle_t GetGameLumpHandle( GameLumpId_t id ); GameLumpId_t GetGameLumpId( GameLumpHandle_t handle ); int GetGameLumpFlags( GameLumpHandle_t handle ); int GetGameLumpVersion( GameLumpHandle_t handle ); void ComputeGameLumpSizeAndCount( int& size, int& clumpCount ); void ParseGameLump( dheader_t* pHeader ); void SwapGameLump( GameLumpId_t id, int version, byte *dest, byte *src, int size );
//-----------------------------------------------------------------------------
// Game lump accessor methods
//-----------------------------------------------------------------------------
void* GetGameLump( GameLumpHandle_t handle ); int GameLumpSize( GameLumpHandle_t handle );
//-----------------------------------------------------------------------------
// Game lump iteration methods
//-----------------------------------------------------------------------------
GameLumpHandle_t FirstGameLump(); GameLumpHandle_t NextGameLump( GameLumpHandle_t handle ); GameLumpHandle_t InvalidGameLump();
//-----------------------------------------------------------------------------
// Game lump creation/destruction method
//-----------------------------------------------------------------------------
GameLumpHandle_t CreateGameLump( GameLumpId_t id, int size, int flags, int version ); void DestroyGameLump( GameLumpHandle_t handle ); void DestroyAllGameLumps();
private: CUtlLinkedList< GameLump_t, GameLumpHandle_t > m_GameLumps;};
extern CGameLump g_GameLumps;extern CByteswap g_Swap;
//-----------------------------------------------------------------------------
// Helper for the bspzip tool
//-----------------------------------------------------------------------------
void ExtractZipFileFromBSP( char *pBSPFileName, char *pZipFileName );
//-----------------------------------------------------------------------------
// String table methods
//-----------------------------------------------------------------------------
const char * TexDataStringTable_GetString( int stringID );int TexDataStringTable_AddOrFindString( const char *pString );
void DecompressVis (byte *in, byte *decompressed);int CompressVis (byte *vis, byte *dest);
void OpenBSPFile( const char *filename );void CloseBSPFile(void);void LoadBSPFile( const char *filename );void LoadBSPFile_FileSystemOnly( const char *filename );void LoadBSPFileTexinfo( const char *filename );void WriteBSPFile( const char *filename, char *pUnused = NULL );void PrintBSPFileSizes(void);void PrintBSPPackDirectory(void);void ReleasePakFileLumps(void);
bool RepackBSPCallback_LZMA( CUtlBuffer &inputBuffer, CUtlBuffer &outputBuffer );bool RepackBSP( CUtlBuffer &inputBuffer, CUtlBuffer &outputBuffer, CompressFunc_t pCompressFunc, IZip::eCompressionType packfileCompression );bool SwapBSPFile( const char *filename, const char *swapFilename, bool bSwapOnLoad, VTFConvertFunc_t pVTFConvertFunc, VHVFixupFunc_t pVHVFixupFunc, CompressFunc_t pCompressFunc );
bool GetPakFileLump( const char *pBSPFilename, void **pPakData, int *pPakSize );bool SetPakFileLump( const char *pBSPFilename, const char *pNewFilename, void *pPakData, int pakSize );void WriteLumpToFile( char *filename, int lump );void WriteLumpToFile( char *filename, int lump, int nLumpVersion, void *pBuffer, size_t nBufLen );bool GetBSPDependants( const char *pBSPFilename, CUtlVector< CUtlString > *pList );void UnloadBSPFile();
void ParseEntities (void);void UnparseEntities (void);void PrintEntity (entity_t *ent);
void SetKeyValue (entity_t *ent, const char *key, const char *value);char *ValueForKey (entity_t *ent, char *key);// will return "" if not present
int IntForKey (entity_t *ent, char *key);int IntForKeyWithDefault(entity_t *ent, char *key, int nDefault );vec_t FloatForKey (entity_t *ent, char *key);vec_t FloatForKeyWithDefault (entity_t *ent, char *key, float default_value);void GetVectorForKey (entity_t *ent, char *key, Vector& vec);void GetVector2DForKey (entity_t *ent, char *key, Vector2D& vec);void GetAnglesForKey (entity_t *ent, char *key, QAngle& vec);epair_t *ParseEpair (void);void StripTrailing (char *e);
// Build a list of the face's vertices (index into dvertexes).
// points must be able to hold pFace->numedges indices.
void BuildFaceCalcWindingData( dface_t *pFace, int *points );
// Convert a tristrip to a trilist.
// Removes degenerates.
// Fills in pTriListIndices and pnTriListIndices.
// You must free pTriListIndices with delete[].
void TriStripToTriList( unsigned short const *pTriStripIndices, int nTriStripIndices, unsigned short **pTriListIndices, int *pnTriListIndices );
// Calculates the lightmap coordinates at a given set of positions given the
// lightmap basis information.
void CalcTextureCoordsAtPoints( float const texelsPerWorldUnits[2][4], int const subtractOffset[2], Vector const *pPoints, int const nPoints, Vector2D *pCoords );
// Figure out lightmap extents on all (lit) faces.
void UpdateAllFaceLightmapExtents();
//-----------------------------------------------------------------------------
// Gets at an interface for the tree for enumeration of leaves in volumes.
//-----------------------------------------------------------------------------
ISpatialQuery* ToolBSPTree();
class IBSPNodeEnumerator{public: // call back with a node and a context
virtual bool EnumerateNode( int node, Ray_t const& ray, float f, int context ) = 0;
// call back with a leaf and a context
virtual bool EnumerateLeaf( int leaf, Ray_t const& ray, float start, float end, int context ) = 0;};
//-----------------------------------------------------------------------------
// Enumerates nodes + leafs in front to back order...
//-----------------------------------------------------------------------------
bool EnumerateNodesAlongRay( Ray_t const& ray, IBSPNodeEnumerator* pEnum, int context );
//-----------------------------------------------------------------------------
// Helps us find all leaves associated with a particular cluster
//-----------------------------------------------------------------------------
struct clusterlist_t{ int leafCount; CUtlVector<int> leafs;};
extern CUtlVector<clusterlist_t> g_ClusterLeaves;
// Call this to build the mapping from cluster to leaves
void BuildClusterTable( );
void SetHDRMode( bool bHDR );
// ----------------------------------------------------------------------------- //
// Helper accessors for the various structures.
// ----------------------------------------------------------------------------- //
inline ColorRGBExp32* dface_AvgLightColor( dface_t *pFace, int nLightStyleIndex ) { return (ColorRGBExp32*)&(*pdlightdata)[pFace->lightofs - (nLightStyleIndex+1) * 4];}
inline const char* TexInfo_TexName( int iTexInfo ){ return TexDataStringTable_GetString( dtexdata[texinfo[iTexInfo].texdata].nameStringTableID );}
#endif // BSPLIB_H
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