1

dmserializers/importsfmv9.cpp

@@ -0,0 +1,142 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: fixed "color" attribute of lights to be of type Color, rather than Vector4
+// this should have been put in a *long* time ago, but I somehow missed creating the updater between 3 and 4
+// fortunately, since all updates happen on untyped elements, it's reasonably safe to do this out of order
+//
+//=============================================================================
+
+#include "dmserializers.h"
+#include "dmebaseimporter.h"
+#include "datamodel/idatamodel.h"
+#include "datamodel/dmelement.h"
+#include "tier1/utlbuffer.h"
+#include "tier1/utlmap.h"
+#include <limits.h>
+
+
+//-----------------------------------------------------------------------------
+// Format converter
+//-----------------------------------------------------------------------------
+class CImportSFMV9 : public CSFMBaseImporter
+{
+	typedef CSFMBaseImporter BaseClass;
+public:
+	CImportSFMV9( const char *formatName, const char *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 CImportSFMV9 s_ImportSFMV9( "sfm_v9", "sfm_v10" );
+
+void InstallSFMV9Importer( IDataModel *pFactory )
+{
+	pFactory->AddLegacyUpdater( &s_ImportSFMV9 );
+}
+
+
+//-----------------------------------------------------------------------------
+// Constructor
+//-----------------------------------------------------------------------------
+CImportSFMV9::CImportSFMV9( const char *formatName, const char *nextFormatName ) : 
+BaseClass( formatName, nextFormatName )	
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Fixes up all elements
+//-----------------------------------------------------------------------------
+void CImportSFMV9::FixupElement( CDmElement *pElement )
+{
+	if ( !pElement )
+		return;
+
+	const char *pType = pElement->GetTypeString();
+	if ( !V_stricmp( pType, "DmeLight" ) ||
+		!V_stricmp( pType, "DmeDirectionalLight" ) ||
+		!V_stricmp( pType, "DmeProjectedLight" ) ||
+		!V_stricmp( pType, "DmePointLight" ) ||
+		!V_stricmp( pType, "DmeSpotLight" ) ||
+		!V_stricmp( pType, "DmeAmbientLight" ) )
+	{
+		const CDmAttribute *pOldAttr = pElement->GetAttribute( "color", AT_VECTOR4 );
+		if ( !pOldAttr )
+			return;
+
+		Color color;
+
+		{ // scoping this section of code since vecColor is invalid after RemoveAttribute
+			const Vector4D &vecColor = pOldAttr->GetValue< Vector4D >();
+			for ( int i = 0; i < 4; ++i )
+			{
+				color[ i ] = ( int )clamp( vecColor[ i ], 0.0f, 255.0f );
+			}
+
+			pElement->RemoveAttribute( "color" );
+		}
+
+		CDmAttribute *pNewAttr = pElement->AddAttribute( "color", AT_COLOR );
+		pNewAttr->SetValue( color );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Fixes up all elements
+//-----------------------------------------------------------------------------
+void CImportSFMV9::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 CImportSFMV9::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;
+}