408 lines
14 KiB
C++
408 lines
14 KiB
C++
//========= 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, int 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, int 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, int 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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