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public/movieobjects/dmsmdserializer.h

@@ -0,0 +1,188 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Read SMD and create DMX data
+//
+//=============================================================================
+
+
+#ifndef DMSMDSERIALIZER_H
+#define DMSMDSERIALIZER_H
+
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+
+// Valve includes
+#include "datamodel/idatamodel.h"
+#include "tier1/utlbuffer.h"
+#include "tier1/utlstring.h"
+#include "tier1/utlvector.h"
+
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CDmeDag;
+class CDmeMesh;
+class CPolygonData;
+
+
+//-----------------------------------------------------------------------------
+// Serialization class for SMD files
+//-----------------------------------------------------------------------------
+class CDmSmdSerializer : public IDmSerializer
+{
+public:
+	enum Axis_t
+	{
+		X_AXIS = 0,
+		Y_AXIS = 1,
+		Z_AXIS = 2
+	};
+
+	CDmSmdSerializer()
+	: m_bOptAutoStripPrefix( false )
+	, m_bOptImportSkeleton( true )
+	, m_bOptAnimation( false )
+	, m_flFrameRate( 30.0f )
+	{
+		SetUpAxis( Z_AXIS );
+	}
+
+	// Inherited from IDMSerializer
+	virtual const char *GetName() const { return "smd"; }
+	virtual const char *GetDescription() const { return "VALVe SMD"; }
+	virtual bool IsBinaryFormat() const { return false; }
+	virtual bool StoresVersionInFile() const { return true; }
+	virtual int GetCurrentVersion() const { return 1; }
+	virtual bool Serialize( CUtlBuffer &buf, CDmElement *pRoot ) { return false; }	// No DMX -> SMD support
+
+	virtual bool Unserialize(
+		CUtlBuffer &utlBuf,
+		const char *pszEncodingName,
+		int nEncodingVersion,
+		const char *pszSourceFormatName,
+		int nSourceFormatVersion,
+		DmFileId_t nDmFileId,
+		DmConflictResolution_t nDmConflictResolution,
+		CDmElement **ppDmRoot );
+
+	// Methods used for importing (only should return non-NULL for serializers that return false from StoresVersionInFile)
+	virtual const char *GetImportedFormat() const { return NULL; }
+	virtual int GetImportedVersion() const { return 1; }
+
+	// CDmSmdSerializer
+	CDmElement *ReadSMD( const char *pszFilename, CDmeMesh **ppDmeMeshCreated = NULL );
+
+	void SetUpAxis( Axis_t nUpAxis );
+	Axis_t GetUpAxis() const { return m_nUpAxis; }
+
+	void SetIsAnimation( bool bOptAnimation ) { m_bOptAnimation = bOptAnimation; }
+	bool IsReadAnimation() const { return m_bOptAnimation; }
+
+	void SetFrameRate( float flFrameRate ) { m_flFrameRate = MAX( 0.1f, flFrameRate ); }	// Don't allow 0 or negative frame rate
+	float GetFrameRate() const { return m_flFrameRate; }
+
+	//-----------------------------------------------------------------------------
+	//
+	//-----------------------------------------------------------------------------
+	struct SmdJoint_t
+	{
+		int m_nId;				// The id parsed from the SMD file
+		int m_nActualId;		// The actual node id which is created after sorting and creating all joints in order with no gaps in numbering, corresponds to joitnIndex in DmeModel
+		CUtlString m_sName;
+		int m_nParentId;
+		int m_nLineNumber;
+		CDmeDag *m_pDmeDag;
+
+		SmdJoint_t()
+			: m_nId( -1 )
+			, m_nActualId( -1 )
+			, m_nParentId( -1 )
+			, m_nLineNumber( -1 )
+			, m_pDmeDag( NULL )
+		{}
+
+	};
+
+
+	//-----------------------------------------------------------------------------
+	//
+	//-----------------------------------------------------------------------------
+	typedef CUtlMap< int, SmdJoint_t > SmdJointMap_t;
+
+protected:
+	void ParserGetNodeName( const char *pszBuf, CUtlString &sName ) const;
+
+	bool ParserHandleSkeletonLine(
+		const char *pszBuf,
+		CUtlString &sName,
+		int &nId,
+		int &nParentId ) const;
+
+	CDmElement *CDmSmdSerializer::ReadSMD(
+		CUtlBuffer &inUtlBuf,
+		DmFileId_t nDmFileId,
+		const char *pszFilename,
+		CDmeMesh **ppDmeMeshCreated );
+
+	
+	//-----------------------------------------------------------------------------
+	//
+	//-----------------------------------------------------------------------------
+	class CNodeData
+	{
+	public:
+		CNodeData()
+		: m_nParentIndex( -1 )
+		, m_bSkinned( false )
+		, m_nInfluenceIndex( 0 )
+		, m_pDmeDag( NULL )
+		{
+		}
+
+		bool Valid() const
+		{
+			return m_pDmeDag != NULL;
+		}
+
+		void Reset()
+		{
+			m_pDmeDag = NULL;
+		}
+
+		int m_nParentIndex;
+		bool m_bSkinned;
+		int m_nInfluenceIndex;
+		CDmeDag *m_pDmeDag;
+
+		CUtlVector< Vector > m_positions;
+	};
+
+	void FixNodeName( CUtlString &sName ) const;
+
+	void ParserSetJoint(
+		const SmdJointMap_t &smdJointMap,
+		int nFrame, int nId,
+		const Vector &vPosition, const RadianEuler &eRadianEulerXYZ,
+		const char *pszFilename, int nLineNumber );
+
+	Axis_t m_nUpAxis;				// 0 == X, 1 == Y, 2 == Z
+	matrix3x4_t m_mAdj;				// Matrix to adjust for SMD source orientation to DMX Y up
+	matrix3x4_t m_mAdjNormal;		// Matrix to adjust normals, inverse transpose of m_mAdj
+
+public:
+	bool m_bOptImportSkeleton;
+	bool m_bOptAutoStripPrefix;
+	bool m_bOptAnimation;
+	float m_flFrameRate;
+	CUtlString m_sNodeDelPrefix;
+	CUtlString m_sNodeAddPrefix;
+
+};
+
+
+#endif // DMSMDSERIALIZER_H