1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_GroupNode.cpp b/source/blender/compositor/nodes/COM_GroupNode.cpp
new file mode 100644
index 00000000000..dcb8691524a
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_GroupNode.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributor: 
+ *		Jeroen Bakker 
+ *		Monique Dewanchand
+ */
+
+#include "COM_GroupNode.h"
+#include "COM_SocketProxyNode.h"
+#include "COM_ExecutionSystemHelper.h"
+
+GroupNode::GroupNode(bNode *editorNode): Node(editorNode) {
+}
+
+void GroupNode::convertToOperations(ExecutionSystem *graph, CompositorContext * context) {
+}
+
+void GroupNode::ungroup(ExecutionSystem &system) {
+	vector<InputSocket*> &inputsockets = this->getInputSockets();
+	vector<OutputSocket*> &outputsockets = this->getOutputSockets();
+	unsigned int index;
+
+	/* get the node list size _before_ adding proxy nodes, so they are available for linking */
+	int nodes_start = system.getNodes().size();
+
+	for (index = 0 ; index < inputsockets.size();index ++) {
+		InputSocket * inputSocket = inputsockets[index];
+		bNodeSocket *editorInput = inputSocket->getbNodeSocket();
+		if (editorInput->groupsock) {
+			if (inputSocket->isConnected()) {
+				SocketProxyNode * proxy = new SocketProxyNode(this->getbNode(), editorInput, editorInput->groupsock);
+				inputSocket->relinkConnections(proxy->getInputSocket(0), true, index, &system);
+				ExecutionSystemHelper::addNode(system.getNodes(), proxy);
+			} else {
+				OutputSocketProxyNode * proxy = new OutputSocketProxyNode(this->getbNode(), editorInput, editorInput->groupsock);
+				inputSocket->relinkConnections(proxy->getInputSocket(0), true, index, &system);
+				ExecutionSystemHelper::addNode(system.getNodes(), proxy);
+			}
+		}
+	}
+
+	for (index = 0 ; index < outputsockets.size();index ++) {
+		OutputSocket * outputSocket = outputsockets[index];
+		bNodeSocket *editorOutput = outputSocket->getbNodeSocket();
+		if (outputSocket->isConnected() && editorOutput->groupsock) {
+			SocketProxyNode * proxy = new SocketProxyNode(this->getbNode(), editorOutput->groupsock, editorOutput);
+			outputSocket->relinkConnections(proxy->getOutputSocket(0));
+			ExecutionSystemHelper::addNode(system.getNodes(), proxy);
+		}
+	}
+
+	bNodeTree* subtree = (bNodeTree*)this->getbNode()->id;
+	ExecutionSystemHelper::addbNodeTree(system, nodes_start, subtree);
+}