1 files changed, 56 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_NormalNode.cc b/source/blender/compositor/nodes/COM_NormalNode.cc
new file mode 100644
index 00000000000..1f48a26fd75
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_NormalNode.cc
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ *
+ * Copyright 2011, Blender Foundation.
+ */
+
+#include "COM_NormalNode.h"
+#include "BKE_node.h"
+#include "COM_DotproductOperation.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_SetVectorOperation.h"
+
+NormalNode::NormalNode(bNode *editorNode) : Node(editorNode)
+{
+  /* pass */
+}
+
+void NormalNode::convertToOperations(NodeConverter &converter,
+                                     const CompositorContext & /*context*/) const
+{
+  NodeInput *inputSocket = this->getInputSocket(0);
+  NodeOutput *outputSocket = this->getOutputSocket(0);
+  NodeOutput *outputSocketDotproduct = this->getOutputSocket(1);
+
+  SetVectorOperation *operationSet = new SetVectorOperation();
+  float normal[3];
+  outputSocket->getEditorValueVector(normal);
+  /* animation can break normalization, this restores it */
+  normalize_v3(normal);
+  operationSet->setX(normal[0]);
+  operationSet->setY(normal[1]);
+  operationSet->setZ(normal[2]);
+  operationSet->setW(0.0f);
+  converter.addOperation(operationSet);
+
+  converter.mapOutputSocket(outputSocket, operationSet->getOutputSocket(0));
+
+  DotproductOperation *operation = new DotproductOperation();
+  converter.addOperation(operation);
+
+  converter.mapInputSocket(inputSocket, operation->getInputSocket(0));
+  converter.addLink(operationSet->getOutputSocket(0), operation->getInputSocket(1));
+  converter.mapOutputSocket(outputSocketDotproduct, operation->getOutputSocket(0));
+}