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dmserializers/importsfmv4.cpp

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+//========= 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 CImportSFMV4 : public CSFMBaseImporter
+{
+	typedef CSFMBaseImporter BaseClass;
+public:
+	CImportSFMV4( char const *formatName, char const *nextFormatName );
+
+private:
+	virtual bool DoFixup( CDmElement *pSourceRoot );
+
+
+	void FixupElement( CDmElement *pElement );
+	// Fixes up all elements
+	void BuildList( CDmElement *pElement, CUtlRBTree< CDmElement *, int >& list );
+};
+
+
+//-----------------------------------------------------------------------------
+// Singleton instance
+//-----------------------------------------------------------------------------
+static CImportSFMV4 s_ImportSFMV4( "sfm_v4", "sfm_v5" );
+
+void InstallSFMV4Importer( IDataModel *pFactory )
+{
+	pFactory->AddLegacyUpdater( &s_ImportSFMV4 );
+}
+
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+CImportSFMV4::CImportSFMV4( char const *formatName, char const *nextFormatName ) : 
+	BaseClass( formatName, nextFormatName )	
+{
+}
+
+// Fixes up all elements
+//-----------------------------------------------------------------------------
+void CImportSFMV4::FixupElement( CDmElement *pElement )
+{
+	if ( !pElement )
+		return;
+
+	const char *pType = pElement->GetTypeString();
+
+	if ( !V_stricmp( pType, "DmeCamera" ) )
+	{
+		CDmAttribute *pOldToneMapScaleAttr = pElement->GetAttribute( "toneMapScale" );
+		float fNewBloomScale = pOldToneMapScaleAttr->GetValue<float>( );
+
+		Assert( !pElement->HasAttribute("bloomScale") );
+
+		CDmAttribute *pNewBloomScaleAttr = pElement->AddAttribute( "bloomScale", AT_FLOAT );
+		pNewBloomScaleAttr->SetValue( fNewBloomScale );
+		pOldToneMapScaleAttr->SetValue( 1.0f );
+	}
+}
+
+// Fixes up all elements
+//-----------------------------------------------------------------------------
+void CImportSFMV4::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 CImportSFMV4::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;
+}