1

dmserializers/importsfmv6.cpp

@@ -0,0 +1,140 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "dmserializers.h"
+#include "dmebaseimporter.h"
+#include "datamodel/idatamodel.h"
+#include "datamodel/dmelement.h"
+#include "tier1/KeyValues.h"
+#include "tier1/utlbuffer.h"
+#include "tier1/utlmap.h"
+#include <limits.h>
+
+
+//-----------------------------------------------------------------------------
+// Format converter
+//-----------------------------------------------------------------------------
+class CImportSFMV6 : public CSFMBaseImporter
+{
+	typedef CSFMBaseImporter BaseClass;
+public:
+	CImportSFMV6( char const *formatName, char const *nextFormatName );
+
+private:
+	virtual bool DoFixup( CDmElement *pSourceRoot );
+
+	Quaternion DirectionToOrientation( const Vector &dir );
+
+	void FixupElement( CDmElement *pElement );
+	// Fixes up all elements
+	void BuildList( CDmElement *pElement, CUtlRBTree< CDmElement *, int >& list );
+};
+
+
+//-----------------------------------------------------------------------------
+// Singleton instance
+//-----------------------------------------------------------------------------
+static CImportSFMV6 s_ImportSFMV6( "sfm_v6", "sfm_v7" );
+
+void InstallSFMV6Importer( IDataModel *pFactory )
+{
+	pFactory->AddLegacyUpdater( &s_ImportSFMV6 );
+}
+
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+CImportSFMV6::CImportSFMV6( char const *formatName, char const *nextFormatName ) : 
+	BaseClass( formatName, nextFormatName )	
+{
+}
+
+Quaternion CImportSFMV6::DirectionToOrientation( const Vector &dir )
+{
+	Vector up( 0, 0, 1 );
+	Vector right = CrossProduct( dir, up );
+	if ( right.IsLengthLessThan( 0.001f ) )
+	{
+		up.Init( 1, 0, 0 );
+		right = CrossProduct( dir, up );
+	}
+	right.NormalizeInPlace();
+	up = CrossProduct( right, dir );
+
+	Quaternion q;
+	BasisToQuaternion( dir, right, up, q );
+	return q;
+}
+
+//-----------------------------------------------------------------------------
+// Fixes up all elements
+//-----------------------------------------------------------------------------
+void CImportSFMV6::FixupElement( CDmElement *pElement )
+{
+	if ( !pElement )
+		return;
+
+	const char *pType = pElement->GetTypeString();
+
+	if ( !V_stricmp( pType, "DmeProjectedLight" ) )
+	{
+		Vector vDir = pElement->GetValue<Vector>( "direction" );
+		pElement->RemoveAttribute( "direction" );
+		Quaternion q = DirectionToOrientation( vDir );
+		pElement->SetValue<Quaternion>( "orientation", q );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Fixes up all elements
+//-----------------------------------------------------------------------------
+void CImportSFMV6::BuildList( CDmElement *pElement, CUtlRBTree< CDmElement *, int >& list )
+{
+	if ( !pElement )
+		return;
+
+	if ( list.Find( pElement ) != list.InvalidIndex() )
+		return;
+
+	list.Insert( pElement );
+
+	// Descend to bottom of tree, then do fixup coming back up the tree
+	for ( CDmAttribute *pAttribute = pElement->FirstAttribute(); pAttribute; pAttribute = pAttribute->NextAttribute() )
+	{
+		if ( pAttribute->GetType() == AT_ELEMENT )
+		{
+			CDmElement *pElementAt = pAttribute->GetValueElement<CDmElement>( );
+			BuildList( pElementAt, list );
+			continue;
+		}
+
+		if ( pAttribute->GetType() == AT_ELEMENT_ARRAY )
+		{
+			CDmrElementArray<> array( pAttribute );
+			int nCount = array.Count();
+			for ( int i = 0; i < nCount; ++i )
+			{
+				CDmElement *pChild = array[ i ];
+				BuildList( pChild, list );
+			}
+			continue;
+		}
+	}
+}
+
+bool CImportSFMV6::DoFixup( CDmElement *pSourceRoot )
+{
+	CUtlRBTree< CDmElement *, int >	fixlist( 0, 0, DefLessFunc( CDmElement * ) );
+	BuildList( pSourceRoot, fixlist );
+	for ( int i = fixlist.FirstInorder(); i != fixlist.InvalidIndex() ; i = fixlist.NextInorder( i ) )
+	{
+		// Search and replace in the entire tree!
+		FixupElement( fixlist[ i ] );
+	}
+	return true;
+}