source-engine/dmserializers/importsfmv6.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

141 lines
3.9 KiB
C++

//========= 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;
}