Method undo

Engine/source/gui/worldEditor/worldEditor.cpp:369–403

}

void WorldEditor::WorldEditorUndoAction::undo()
{
   // NOTE: This function also handles WorldEditorUndoAction::redo().

   MatrixF oldMatrix;
   VectorF oldScale;
   for( U32 i = 0; i < mEntries.size(); i++ )
   {
      SceneObject *obj;
      if ( !Sim::findObject( mEntries[i].mObjId, obj ) )
         continue;

      mWorldEditor->setClientObjInfo( obj, mEntries[i].mMatrix, mEntries[i].mScale );

      // Grab the current state.
      oldMatrix = obj->getTransform();
      oldScale = obj->getScale();

      // Restore the saved state.
      obj->setTransform( mEntries[i].mMatrix );
      obj->setScale( mEntries[i].mScale );

      // Store the previous state so the next time
      // we're called we can restore it.
      mEntries[i].mMatrix = oldMatrix;
      mEntries[i].mScale = oldScale;
   }

   // Mark the world editor as dirty!
   mWorldEditor->setDirty();
   mWorldEditor->mSelected->invalidateCentroid();

   // Let the script get a chance at it.
   Con::executef( mWorldEditor, "onWorldEditorUndo" );
}

//------------------------------------------------------------------------------
// edit stuff