C++ UndoManager::addAction方法代码示例

void GuiDecalEditorCtrl::deleteSelectedDecal()
{
   if ( !mSELDecal )
      return;
	
	// Grab the mission editor undo manager.
	UndoManager *undoMan = NULL;
	if ( !Sim::findObject( "EUndoManager", undoMan ) )
	{
		Con::errorf( "GuiMeshRoadEditorCtrl::on3DMouseDown() - EUndoManager not found!" );
		return;           
	}

	// Create the UndoAction.
	DIDeleteUndoAction *action = new DIDeleteUndoAction("Delete Decal");
	action->deleteDecal( *mSELDecal );
	
	action->mEditor = this;
	// Submit it.               
	undoMan->addAction( action );
	
	if ( isMethod( "onDeleteInstance" ) )
	{
		char buffer[512];
		dSprintf(buffer, 512, "%i", mSELDecal->mId);
		Con::executef( this, "onDeleteInstance", String(buffer).c_str(), mSELDecal->mDataBlock->lookupName.c_str() );
	}

   gDecalManager->removeDecal( mSELDecal );
   mSELDecal = NULL;
}

void GuiRoadEditorCtrl::submitUndo( const UTF8 *name )
{
   // Grab the mission editor undo manager.
   UndoManager *undoMan = NULL;
   if ( !Sim::findObject( "EUndoManager", undoMan ) )
   {
      Con::errorf( "GuiRoadEditorCtrl::submitUndo() - EUndoManager not found!" );
      return;           
   }

   // Setup the action.
   GuiRoadEditorUndoAction *action = new GuiRoadEditorUndoAction( name );

   action->mObjId = mSelRoad->getId();
   action->mBreakAngle = mSelRoad->mBreakAngle;
   action->mMaterialName = mSelRoad->mMaterialName;
   action->mSegmentsPerBatch = mSelRoad->mSegmentsPerBatch;   
   action->mTextureLength = mSelRoad->mTextureLength;
   action->mRoadEditor = this;

   for( U32 i = 0; i < mSelRoad->mNodes.size(); i++ )
   {
      action->mNodes.push_back( mSelRoad->mNodes[i] );      
   }
      
   undoMan->addAction( action );
}

void GuiDecalEditorCtrl::retargetDecalDatablock( String dbFrom, String dbTo )
{
	DecalData * ptrFrom = dynamic_cast<DecalData*> ( Sim::findObject(dbFrom.c_str()) );
	DecalData * ptrTo = dynamic_cast<DecalData*> ( Sim::findObject(dbTo.c_str()) );
	
	if( !ptrFrom || !ptrTo )
		return;
	
	// Grab the mission editor undo manager.
	UndoManager *undoMan = NULL;
	if ( !Sim::findObject( "EUndoManager", undoMan ) )
	{
		Con::errorf( "GuiMeshRoadEditorCtrl::on3DMouseDown() - EUndoManager not found!" );
		return;           
	}

	// Create the UndoAction.
	DBRetargetUndoAction *action = new DBRetargetUndoAction("Retarget Decal Datablock");
	action->mEditor = this;
	action->mDBFromId = ptrFrom->getId();
	action->mDBToId = ptrTo->getId();

	Vector<DecalInstance*> mDecalQueue;
	Vector<DecalInstance *>::iterator iter;
	mDecalQueue.clear();
	const Vector<DecalSphere*> &grid = gDecalManager->getDecalDataFile()->getSphereList();
	for ( U32 i = 0; i < grid.size(); i++ )
	{
		const DecalSphere *decalSphere = grid[i];
		mDecalQueue.merge( decalSphere->mItems );
	}

	for ( iter = mDecalQueue.begin();iter != mDecalQueue.end();iter++ )
	{	
		if( !(*iter) )
			continue;

		if( (*iter)->mDataBlock->lookupName.compare( dbFrom ) == 0 )
		{
			if( (*iter)->mId != -1 )
			{
				action->retargetDecal((*iter));	
				(*iter)->mDataBlock = ptrTo;
				forceRedraw((*iter));
			}
		}
	}

	undoMan->addAction( action );
}

void ForestTool::_submitUndo( UndoAction *action )
{
   AssertFatal( action, "ForestTool::_submitUndo() - No undo action!" );

   // Grab the mission editor undo manager.
   UndoManager *undoMan = NULL;
   if ( !Sim::findObject( "EUndoManager", undoMan ) )
   {
      Con::errorf( "ForestTool::_submitUndo() - EUndoManager not found!" );
      return;     
   }

   undoMan->addAction( action );

   mEditor->updateCollision();
}

void GuiRiverEditorCtrl::deleteSelectedRiver( bool undoAble )
{
   AssertFatal( mSelRiver != NULL, "GuiRiverEditorCtrl::deleteSelectedRiver() - No River IS selected" );

   // Not undoAble? Just delete it.
   if ( !undoAble )
   {
      mSelRiver->deleteObject();
      mIsDirty = true;
      Con::executef( this, "onRiverSelected" );
      mSelNode = -1;

      return;
   }

   // Grab the mission editor undo manager.
   UndoManager *undoMan = NULL;
   if ( !Sim::findObject( "EUndoManager", undoMan ) )
   {
      // Couldn't find it? Well just delete the River.
      Con::errorf( "GuiRiverEditorCtrl::on3DMouseDown() - EUndoManager not found!" );    
      return;
   }
   else
   {
      // Create the UndoAction.
      MEDeleteUndoAction *action = new MEDeleteUndoAction("Deleted River");
      action->deleteObject( mSelRiver );
      mIsDirty = true;

      // Submit it.               
      undoMan->addAction( action );
   }

   // ScriptCallback with 'NULL' parameter for no River currently selected.
   Con::executef( this, "onRiverSelected" );

   // Clear the SelectedNode (it has been deleted along with the River).  
	setSelectedNode( -1 );
   mSelNode = -1;

   // SelectedRiver is a SimObjectPtr and will be NULL automatically.
}

void ForestEditorCtrl::deleteMeshSafe( ForestItemData *mesh )
{
   UndoManager *undoMan = NULL;
   if ( !Sim::findObject( "EUndoManager", undoMan ) )
   {
      Con::errorf( "ForestEditorCtrl::deleteMeshSafe() - EUndoManager not found." );
      return;     
   }

   // CompoundUndoAction which will delete the ForestItemData, ForestItem(s), and ForestBrushElement(s).
   CompoundUndoAction *compoundAction = new CompoundUndoAction( "Delete Forest Mesh" );
    
   // Find ForestItem(s) referencing this datablock and add their deletion
   // to the undo action.
   if ( mForest )
   {      
      Vector<ForestItem> foundItems;
      mForest->getData()->getItems( mesh, &foundItems );

      ForestDeleteUndoAction *itemAction = new ForestDeleteUndoAction( mForest->getData(), this );
      itemAction->removeItem( foundItems );
      compoundAction->addAction( itemAction );
   }

   // Find ForestBrushElement(s) referencing this datablock.
   SimGroup *brushGroup = ForestBrush::getGroup();
   sKey = mesh;
   Vector<SimObject*> foundElements;   
   brushGroup->findObjectByCallback( &findMeshReferences, foundElements );   

   // Add UndoAction to delete the ForestBrushElement(s) and the ForestItemData.
   MEDeleteUndoAction *elementAction = new MEDeleteUndoAction();
   elementAction->deleteObject( foundElements );
   elementAction->deleteObject( mesh );
   
   // Add compound action to the UndoManager. Done.
   undoMan->addAction( compoundAction );

   updateCollision();
}

void GuiRoadEditorCtrl::deleteSelectedRoad( bool undoAble )
{
   AssertFatal( mSelRoad != NULL, "GuiRoadEditorCtrl::deleteSelectedRoad() - No road IS selected" );

   // Not undo-able? Just delete it.
   if ( !undoAble )
   {
      DecalRoad *lastRoad = mSelRoad;

      setSelectedRoad(NULL);

      lastRoad->deleteObject();
      mIsDirty = true;

      return;
   }

   // Grab the mission editor undo manager.
   UndoManager *undoMan = NULL;
   if ( !Sim::findObject( "EUndoManager", undoMan ) )
   {
      // Couldn't find it? Well just delete the road.
      Con::errorf( "GuiRoadEditorCtrl::on3DMouseDown() - EUndoManager not found!" );    
      return;
   }
   else
   {
      DecalRoad *lastRoad = mSelRoad;
      setSelectedRoad(NULL);

      // Create the UndoAction.
      MEDeleteUndoAction *action = new MEDeleteUndoAction("Deleted Road");
      action->deleteObject( lastRoad );
      mIsDirty = true;

      // Submit it.               
      undoMan->addAction( action );
   }
}

void GuiDecalEditorCtrl::deleteDecalDatablock( String lookupName )
{
	DecalData * datablock = dynamic_cast<DecalData*> ( Sim::findObject(lookupName.c_str()) );
	if( !datablock )
		return;

	// Grab the mission editor undo manager.
	UndoManager *undoMan = NULL;
	if ( !Sim::findObject( "EUndoManager", undoMan ) )
	{
		Con::errorf( "GuiMeshRoadEditorCtrl::on3DMouseDown() - EUndoManager not found!" );
		return;           
	}

	// Create the UndoAction.
	DBDeleteUndoAction *action = new DBDeleteUndoAction("Delete Decal Datablock");
	action->mEditor = this;
	action->mDatablockId = datablock->getId();
	
	Vector<DecalInstance*> mDecalQueue;
	Vector<DecalInstance *>::iterator iter;
	mDecalQueue.clear();
	const Vector<DecalSphere*> &grid = gDecalManager->getDecalDataFile()->getSphereList();

	for ( U32 i = 0; i < grid.size(); i++ )
	{
		const DecalSphere *decalSphere = grid[i];
		mDecalQueue.merge( decalSphere->mItems );
	}

	for ( iter = mDecalQueue.begin();iter != mDecalQueue.end();iter++ )
	{	
		if( !(*iter) )
			continue;

		if( (*iter)->mDataBlock->lookupName.compare( lookupName ) == 0 )
		{
			if( (*iter)->mId != -1 )
			{
				//make sure to call onDeleteInstance as well
				if ( isMethod( "onDeleteInstance" ) )
				{
					char buffer[512];
					dSprintf(buffer, 512, "%i", (*iter)->mId);
					Con::executef( this, "onDeleteInstance", String(buffer).c_str(), (*iter)->mDataBlock->lookupName.c_str() );
				}
				
				action->deleteDecal( *(*iter) );
				
				if( mSELDecal == (*iter) )
					mSELDecal = NULL;

				if( mHLDecal == (*iter) )
					mHLDecal = NULL;
			}
			gDecalManager->removeDecal( (*iter) );
		}
	}
	
	undoMan->addAction( action );

	mCurrentDecalData = NULL;
}

void GuiDecalEditorCtrl::on3DMouseDragged(const Gui3DMouseEvent & event)
{ 
   if ( !mSELDecal )
      return;

   // Doing a drag copy of the decal?
   if ( event.modifier & SI_SHIFT && !mPerformedDragCopy )
   {
      mPerformedDragCopy = true;

		DecalInstance *newDecal = gDecalManager->addDecal(    mSELDecal->mPosition, 
                                                            mSELDecal->mNormal, 
                                                            0.0f, 
                                                            mSELDecal->mDataBlock, 
                                                            1.0f, 
                                                            -1, 
                                                            PermanentDecal | SaveDecal );

      newDecal->mTangent = mSELDecal->mTangent;
      newDecal->mSize = mSELDecal->mSize;
      newDecal->mTextureRectIdx = mSELDecal->mTextureRectIdx;

      // TODO: This is crazy... we should move this sort of tracking
      // inside of the decal manager... IdDecal flag maybe or just a
      // byproduct of PermanentDecal?
      //
		newDecal->mId = gDecalManager->mDecalInstanceVec.size();
		gDecalManager->mDecalInstanceVec.push_back( newDecal );

		selectDecal( newDecal );
			
		// Grab the mission editor undo manager.
		UndoManager *undoMan = NULL;
		if ( Sim::findObject( "EUndoManager", undoMan ) )
		{
			// Create the UndoAction.
			DICreateUndoAction *action = new DICreateUndoAction("Create Decal");
			action->addDecal( *mSELDecal );
			action->mEditor = this;
			undoMan->addAction( action );

			if ( isMethod( "onCreateInstance" ) )
			{
				char buffer[512];
				dSprintf( buffer, 512, "%i", mSELDecal->mId );
				Con::executef( this, "onCreateInstance", buffer, mSELDecal->mDataBlock->lookupName.c_str());
			}
		}
   }

   // Update the Gizmo.
   if (mGizmo->getSelection() != Gizmo::None)
   {
      mGizmo->on3DMouseDragged( event );

      // Pull out the Gizmo transform
      // and position.
      const MatrixF &gizmoMat = mGizmo->getTransform();
      const Point3F &gizmoPos = gizmoMat.getPosition();
      
      // Get the new projection vector.
      VectorF upVec, rightVec;
      gizmoMat.getColumn( 0, &rightVec );
      gizmoMat.getColumn( 2, &upVec );

      const Point3F &scale = mGizmo->getScale();

      // Assign the appropriate changed value back to the decal.
      if ( mGizmo->getMode() == ScaleMode )
      {
         // Save old size.
         const F32 oldSize = mSELDecal->mSize;

         // Set new size.
         mSELDecal->mSize = ( scale.x + scale.y ) * 0.5f;

         // See if the decal properly clips/projects at this size.  If not,
         // stick to the old size.
         mSELEdgeVerts.clear();
         if ( !gDecalManager->clipDecal( mSELDecal, &mSELEdgeVerts ) )
            mSELDecal->mSize = oldSize;
      }
      else if ( mGizmo->getMode() == MoveMode )
         mSELDecal->mPosition = gizmoPos;
      else if ( mGizmo->getMode() == RotateMode )
      {
         mSELDecal->mNormal = upVec;
         mSELDecal->mTangent = rightVec;
      }

      gDecalManager->notifyDecalModified( mSELDecal );

	   Con::executef( this, "syncNodeDetails" );
   }
}

//.........这里部分代码省略.........
      if ( !Sim::findObject( "MissionGroup", missionGroup ) )               
         Con::errorf( "GuiDecalRoadEditorCtrl - could not find MissionGroup to add new DecalRoad" );
      else
         missionGroup->addObject( newRoad );               

      newRoad->insertNode( tPos, mDefaultWidth, 0 );
      U32 newNode = newRoad->insertNode( tPos, mDefaultWidth, 1 );

      // Always add to the end of the road, the first node is the start.
      mAddNodeIdx = U32_MAX;
      
      setSelectedRoad( newRoad );      
      setSelectedNode( newNode );

      mMode = mAddNodeMode;

      // Disable the hover node while in addNodeMode, we
      // don't want some random node enlarged.
      mHoverNode = -1;

      // Grab the mission editor undo manager.
      UndoManager *undoMan = NULL;
      if ( !Sim::findObject( "EUndoManager", undoMan ) )
      {
         Con::errorf( "GuiRoadEditorCtrl::on3DMouseDown() - EUndoManager not found!" );
         return;           
      }

      // Create the UndoAction.
      MECreateUndoAction *action = new MECreateUndoAction("Create Road");
      action->addObject( newRoad );
      
      // Submit it.               
      undoMan->addAction( action );
		
		//send a callback to script after were done here if one exists
		if ( isMethod( "onRoadCreation" ) )
         Con::executef( this, "onRoadCreation" );

		return;
   }
	else if ( mMode == mAddNodeMode )
	{
		// Oops the road got deleted, maybe from an undo action?
      // Back to NormalMode.
      if ( mSelRoad )
      {
			// A double-click on a node in Normal mode means set AddNode mode.  
         if ( clickedNodeIdx == 0 )
         {
				submitUndo( "Add Node" );
				mAddNodeIdx = clickedNodeIdx;
            mMode = mAddNodeMode;
            mSelNode = mSelRoad->insertNode( tPos, mDefaultWidth, mAddNodeIdx );
            mIsDirty = true;
				setSelectedNode( mSelNode );

				return;
         }
			else
         {
				if( clickedRoadPtr && clickedNodeIdx == clickedRoadPtr->mNodes.size() - 1 )
				{
					submitUndo( "Add Node" );
					mAddNodeIdx = U32_MAX;
					mMode = mAddNodeMode;

//.........这里部分代码省略.........
         missionGroup->addObject( newRiver );

      Point3F pos( endPnt );
      pos.z += mDefaultDepth * 0.5f;

      newRiver->insertNode( pos, mDefaultWidth, mDefaultDepth, mDefaultNormal, 0 );
      U32 newNode = newRiver->insertNode( pos, mDefaultWidth, mDefaultDepth, mDefaultNormal, 1 );

      // Always add to the end of the road, the first node is the start.
      mAddNodeIdx = U32_MAX;
      
      setSelectedRiver( newRiver );      
      setSelectedNode( newNode );

      mMode = mAddNodeMode;

      // Disable the hover node while in addNodeMode, we
      // don't want some random node enlarged.
      mHoverNode = -1;

      // Grab the mission editor undo manager.
      UndoManager *undoMan = NULL;
      if ( !Sim::findObject( "EUndoManager", undoMan ) )
      {
         Con::errorf( "GuiMeshRoadEditorCtrl::on3DMouseDown() - EUndoManager not found!" );
         return;           
      }

      // Create the UndoAction.
      MECreateUndoAction *action = new MECreateUndoAction("Create MeshRoad");
      action->addObject( newRiver );

      // Submit it.               
      undoMan->addAction( action );

		return;
   }
	else if ( mMode == mAddNodeMode )
	{
		// Oops the road got deleted, maybe from an undo action?
      // Back to NormalMode.
      if ( mSelRiver )
      {
			// A double-click on a node in Normal mode means set AddNode mode.  
         if ( clickedNodeIdx == 0 )
         {
				submitUndo( "Add Node" );
				mAddNodeIdx = clickedNodeIdx;
            mMode = mAddNodeMode;
            mSelNode = mSelRiver->insertNode( tPos, mDefaultWidth, mDefaultDepth, mDefaultNormal, mAddNodeIdx );
            mIsDirty = true;
				setSelectedNode( mSelNode );

				return;
         }
			else
         {
				if( clickedRiverPtr && clickedNodeIdx == clickedRiverPtr->mNodes.size() - 1 )
				{
					submitUndo( "Add Node" );
					mAddNodeIdx = U32_MAX;
					mMode = mAddNodeMode;
					U32 newNode = mSelRiver->addNode( tPos, mDefaultWidth, mDefaultDepth, mDefaultNormal);  
               mIsDirty = true;
					setSelectedNode( newNode );