428 lines
15 KiB
C++
428 lines
15 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 "bspfile.h"
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#include "byteswap.h"
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#include "utllinkedlist.h"
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#include "utlstring.h"
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#include "utlvector.h"
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#include "zip_utils.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> >
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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 \
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(MAX_BRUSH_LIGHTMAP_DIM_INCLUDING_BORDER * \
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MAX_BRUSH_LIGHTMAP_DIM_INCLUDING_BORDER)
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#define SINGLEMAP \
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(MAX_LIGHTMAP_DIM_INCLUDING_BORDER * MAX_LIGHTMAP_DIM_INCLUDING_BORDER)
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struct entity_t {
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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
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*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
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// 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
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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
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g_OverlayFades[MAX_MAP_OVERLAYS]; // Parallel array of fade info in a
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// separate lump to avoid breaking
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// 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(
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IZip *pak, const char *pRelativeName, const char *fullpath,
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IZip::eCompressionType compressionType = IZip::eCompressionType_None);
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void AddBufferToPak(
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IZip *pak, const char *pRelativeName, void *data, int length,
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bool bTextMode,
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IZip::eCompressionType compressionType = IZip::eCompressionType_None);
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void AddDirToPak(IZip *pak, const char *pDirPath,
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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,
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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,
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int &fileSize);
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void ForceAlignment(IZip *pak, bool bAlign, bool bCompatibleFormat,
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unsigned int alignmentSize);
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typedef bool (*CompressFunc_t)(CUtlBuffer &inputBuffer,
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CUtlBuffer &outputBuffer);
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typedef bool (*VTFConvertFunc_t)(const char *pDebugName, CUtlBuffer &sourceBuf,
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CUtlBuffer &targetBuf,
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CompressFunc_t pCompressFunc);
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typedef bool (*VHVFixupFunc_t)(const char *pVhvFilename, const char *pModelName,
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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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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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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,
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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,
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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,
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CompressFunc_t pCompressFunc,
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IZip::eCompressionType packfileCompression);
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bool SwapBSPFile(const char *filename, const char *swapFilename,
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bool bSwapOnLoad, VTFConvertFunc_t pVTFConvertFunc,
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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,
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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,
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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(unsigned short const *pTriStripIndices,
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int nTriStripIndices, 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(float const texelsPerWorldUnits[2][4],
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int const subtractOffset[2],
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Vector const *pPoints, 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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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,
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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,
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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,
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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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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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// //
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inline ColorRGBExp32 *dface_AvgLightColor(dface_t *pFace,
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int nLightStyleIndex) {
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return (ColorRGBExp32 *)&(
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*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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return TexDataStringTable_GetString(
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dtexdata[texinfo[iTexInfo].texdata].nameStringTableID);
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}
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#endif // BSPLIB_H
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