115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Serialize and Unserialize Wavefront OBJ <-> DME Data
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//
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//=============================================================================
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#ifndef DMOBJSERIALIZER_H
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#define DMOBJSERIALIZER_H
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#if defined( _WIN32 )
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#pragma once
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#endif
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#include "datamodel/idatamodel.h"
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#include "tier1/utlbuffer.h"
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#include "tier1/utlstring.h"
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#include "tier1/utlvector.h"
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#include "tier1/UtlStringMap.h"
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class CDmeMesh;
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class CDmeDag;
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class CDmeVertexDeltaData;
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class CDmeCombinationOperator;
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//-----------------------------------------------------------------------------
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// Serialization class for OBJ files
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//-----------------------------------------------------------------------------
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class CDmObjSerializer : public IDmSerializer
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{
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public:
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// Inherited from IDMSerializer
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virtual const char *GetName() const { return "obj"; }
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virtual const char *GetDescription() const { return "Wavefront OBJ"; }
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virtual bool IsBinaryFormat() const { return false; }
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virtual bool StoresVersionInFile() const { return false; }
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virtual int GetCurrentVersion() const { return 0; } // doesn't store a version
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virtual bool Serialize( CUtlBuffer &buf, CDmElement *pRoot );
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virtual bool Unserialize( CUtlBuffer &buf, const char *pEncodingName, int nEncodingVersion,
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const char *pSourceFormatName, int nSourceFormatVersion,
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DmFileId_t fileid, DmConflictResolution_t idConflictResolution, CDmElement **ppRoot );
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virtual const char *GetImportedFormat() const { return NULL; }
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virtual int GetImportedVersion() const { return 1; }
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CDmElement *ReadOBJ( const char *pFilename, CDmeMesh **ppCreatedMesh = NULL, bool bLoadAllDeltas = true, bool bAbsolute = true );
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bool WriteOBJ( const char *pFilename, CDmElement *pRoot, bool bWriteDeltas, const char *pDeltaName = NULL, bool absolute = true );
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void MeshToObj( CUtlBuffer &b, const matrix3x4_t &parentWorldMatrix, CDmeMesh *pMesh, const char *pDeltaName = NULL, bool absolute = true );
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CDmeVertexDeltaData *GetDelta( const char *pDeltaName, bool bAbsolute );
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private:
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CDmElement *ReadOBJ(
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CUtlBuffer &buf,
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DmFileId_t dmFileId,
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const char *pName,
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const char *pFilename = NULL,
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CDmeMesh *pBaseMesh = NULL,
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CDmeMesh **ppCreatedMesh = NULL,
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bool bAbsolute = true );
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static int OutputVectors( CUtlBuffer &b, const char *pPrefix, const CUtlVector< Vector > &vData, const matrix3x4_t &matrix );
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static int OutputVectors( CUtlBuffer &b, const char *pPrefix, const CUtlVector< Vector2D > &vData );
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static void DeltaToObj( CUtlBuffer &b, const matrix3x4_t &parentWorldMatrix, CDmeMesh *pMesh, const char *pDeltaName = NULL );
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void ParseMtlLib( CUtlBuffer &buf );
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const char *FindMtlEntry( const char *pTgaName );
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static bool ParseVertex( CUtlBuffer& bufParse, characterset_t &breakSet, int &v, int &t, int &n );
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static const char *SkipSpace( const char *pBuf );
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void DagToObj( CUtlBuffer &b, const matrix3x4_t &parentWorldMatrix, CDmeDag *pDag, const char *pDeltaName = NULL, bool absolute = true );
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static void FindDeltaMeshes( CDmeDag *pDag, CUtlVector< CDmeMesh * > &meshes );
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bool LoadDependentDeltas( const char *pDeltaName );
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struct MtlInfo_t
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{
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CUtlString m_MtlName;
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CUtlString m_TgaName;
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};
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CUtlVector< MtlInfo_t > m_mtlLib;
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CUtlString m_objDirectory;
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struct DeltaInfo_t
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{
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DeltaInfo_t()
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: m_pComboOp( NULL )
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, m_pMesh( NULL )
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, m_pDeltaData( NULL )
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{}
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CUtlString m_filename;
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CDmeMesh *m_pMesh;
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CDmeCombinationOperator *m_pComboOp;
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CDmeVertexDeltaData *m_pDeltaData;
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};
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CUtlStringMap< DeltaInfo_t > m_deltas;
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int m_nPositionOffset;
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int m_nTextureOffset;
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int m_nNormalOffset;
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};
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#endif // DMOBJSERIALIZER_H
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