142 lines
4.0 KiB
C++
142 lines
4.0 KiB
C++
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//====== Copyright <20> 1996-2006, Valve Corporation, All rights reserved. =======
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//
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// Purpose:
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//
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//=============================================================================
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#include "dmserializers.h"
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#include "dmebaseimporter.h"
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#include "datamodel/idatamodel.h"
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#include "datamodel/dmelement.h"
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#include "datamodel/dmattributevar.h"
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#include "tier1/KeyValues.h"
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#include "tier1/utlbuffer.h"
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#include "tier1/utlmap.h"
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#include <limits.h>
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//-----------------------------------------------------------------------------
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// Format converter
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//-----------------------------------------------------------------------------
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class CImportSFMV6 : public CSFMBaseImporter
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{
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typedef CSFMBaseImporter BaseClass;
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public:
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CImportSFMV6( char const *formatName, char const *nextFormatName );
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private:
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virtual bool DoFixup( CDmElement *pSourceRoot );
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Quaternion DirectionToOrientation( const Vector &dir );
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void FixupElement( CDmElement *pElement );
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// Fixes up all elements
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void BuildList( CDmElement *pElement, CUtlRBTree< CDmElement *, int >& list );
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};
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//-----------------------------------------------------------------------------
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// Singleton instance
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//-----------------------------------------------------------------------------
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static CImportSFMV6 s_ImportSFMV6( "sfm_v6", "sfm_v7" );
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void InstallSFMV6Importer( IDataModel *pFactory )
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{
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pFactory->AddLegacyUpdater( &s_ImportSFMV6 );
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}
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//-----------------------------------------------------------------------------
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// Constructor
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//-----------------------------------------------------------------------------
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CImportSFMV6::CImportSFMV6( char const *formatName, char const *nextFormatName ) :
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BaseClass( formatName, nextFormatName )
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{
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}
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Quaternion CImportSFMV6::DirectionToOrientation( const Vector &dir )
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{
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Vector up( 0, 0, 1 );
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Vector right = CrossProduct( dir, up );
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if ( right.IsLengthLessThan( 0.001f ) )
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{
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up.Init( 1, 0, 0 );
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right = CrossProduct( dir, up );
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}
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right.NormalizeInPlace();
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up = CrossProduct( right, dir );
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Quaternion q;
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BasisToQuaternion( dir, right, up, q );
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return q;
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}
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//-----------------------------------------------------------------------------
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// Fixes up all elements
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//-----------------------------------------------------------------------------
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void CImportSFMV6::FixupElement( CDmElement *pElement )
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{
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if ( !pElement )
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return;
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const char *pType = pElement->GetTypeString();
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if ( !V_stricmp( pType, "DmeProjectedLight" ) )
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{
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Vector vDir = pElement->GetValue<Vector>( "direction" );
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pElement->RemoveAttribute( "direction" );
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Quaternion q = DirectionToOrientation( vDir );
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pElement->SetValue<Quaternion>( "orientation", q );
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}
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}
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//-----------------------------------------------------------------------------
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// Fixes up all elements
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//-----------------------------------------------------------------------------
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void CImportSFMV6::BuildList( CDmElement *pElement, CUtlRBTree< CDmElement *, int >& list )
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{
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if ( !pElement )
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return;
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if ( list.Find( pElement ) != list.InvalidIndex() )
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return;
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list.Insert( pElement );
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// Descend to bottom of tree, then do fixup coming back up the tree
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for ( CDmAttribute *pAttribute = pElement->FirstAttribute(); pAttribute; pAttribute = pAttribute->NextAttribute() )
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{
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if ( pAttribute->GetType() == AT_ELEMENT )
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{
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CDmElement *pElement = pAttribute->GetValueElement<CDmElement>( );
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BuildList( pElement, list );
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continue;
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}
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if ( pAttribute->GetType() == AT_ELEMENT_ARRAY )
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{
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CDmrElementArray<> array( pAttribute );
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int nCount = array.Count();
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for ( int i = 0; i < nCount; ++i )
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{
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CDmElement *pChild = array[ i ];
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BuildList( pChild, list );
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}
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continue;
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}
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}
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}
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bool CImportSFMV6::DoFixup( CDmElement *pSourceRoot )
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{
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CUtlRBTree< CDmElement *, int > fixlist( 0, 0, DefLessFunc( CDmElement * ) );
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BuildList( pSourceRoot, fixlist );
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for ( int i = fixlist.FirstInorder(); i != fixlist.InvalidIndex() ; i = fixlist.NextInorder( i ) )
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{
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// Search and replace in the entire tree!
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FixupElement( fixlist[ i ] );
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}
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return true;
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}
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