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