1 files changed, 111 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_TrackPositionNode.cc b/source/blender/compositor/nodes/COM_TrackPositionNode.cc
new file mode 100644
index 00000000000..52e7f7d832b
--- /dev/null
+++ b/source/blender/compositor/nodes/COM_TrackPositionNode.cc
@@ -0,0 +1,111 @@
+/*
+ * 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 2012, Blender Foundation.
+ */
+
+#include "COM_TrackPositionNode.h"
+
+#include "COM_ConvertOperation.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_TrackPositionOperation.h"
+
+#include "DNA_movieclip_types.h"
+
+#include "BKE_node.h"
+
+TrackPositionNode::TrackPositionNode(bNode *editorNode) : Node(editorNode)
+{
+  /* pass */
+}
+
+static TrackPositionOperation *create_motion_operation(NodeConverter &converter,
+                                                       MovieClip *clip,
+                                                       NodeTrackPosData *trackpos_data,
+                                                       int axis,
+                                                       int frame_number,
+                                                       int delta)
+{
+  TrackPositionOperation *operation = new TrackPositionOperation();
+  operation->setMovieClip(clip);
+  operation->setTrackingObject(trackpos_data->tracking_object);
+  operation->setTrackName(trackpos_data->track_name);
+  operation->setFramenumber(frame_number);
+  operation->setAxis(axis);
+  operation->setPosition(CMP_TRACKPOS_ABSOLUTE);
+  operation->setRelativeFrame(frame_number + delta);
+  operation->setSpeedOutput(true);
+  converter.addOperation(operation);
+  return operation;
+}
+
+void TrackPositionNode::convertToOperations(NodeConverter &converter,
+                                            const CompositorContext &context) const
+{
+  bNode *editorNode = this->getbNode();
+  MovieClip *clip = (MovieClip *)editorNode->id;
+  NodeTrackPosData *trackpos_data = (NodeTrackPosData *)editorNode->storage;
+
+  NodeOutput *outputX = this->getOutputSocket(0);
+  NodeOutput *outputY = this->getOutputSocket(1);
+  NodeOutput *outputSpeed = this->getOutputSocket(2);
+
+  int frame_number;
+  if (editorNode->custom1 == CMP_TRACKPOS_ABSOLUTE_FRAME) {
+    frame_number = editorNode->custom2;
+  }
+  else {
+    frame_number = context.getFramenumber();
+  }
+
+  TrackPositionOperation *operationX = new TrackPositionOperation();
+  operationX->setMovieClip(clip);
+  operationX->setTrackingObject(trackpos_data->tracking_object);
+  operationX->setTrackName(trackpos_data->track_name);
+  operationX->setFramenumber(frame_number);
+  operationX->setAxis(0);
+  operationX->setPosition(editorNode->custom1);
+  operationX->setRelativeFrame(editorNode->custom2);
+  converter.addOperation(operationX);
+  converter.mapOutputSocket(outputX, operationX->getOutputSocket());
+
+  TrackPositionOperation *operationY = new TrackPositionOperation();
+  operationY->setMovieClip(clip);
+  operationY->setTrackingObject(trackpos_data->tracking_object);
+  operationY->setTrackName(trackpos_data->track_name);
+  operationY->setFramenumber(frame_number);
+  operationY->setAxis(1);
+  operationY->setPosition(editorNode->custom1);
+  operationY->setRelativeFrame(editorNode->custom2);
+  converter.addOperation(operationY);
+  converter.mapOutputSocket(outputY, operationY->getOutputSocket());
+
+  TrackPositionOperation *operationMotionPreX = create_motion_operation(
+      converter, clip, trackpos_data, 0, frame_number, -1);
+  TrackPositionOperation *operationMotionPreY = create_motion_operation(
+      converter, clip, trackpos_data, 1, frame_number, -1);
+  TrackPositionOperation *operationMotionPostX = create_motion_operation(
+      converter, clip, trackpos_data, 0, frame_number, 1);
+  TrackPositionOperation *operationMotionPostY = create_motion_operation(
+      converter, clip, trackpos_data, 1, frame_number, 1);
+
+  CombineChannelsOperation *combine_operation = new CombineChannelsOperation();
+  converter.addOperation(combine_operation);
+  converter.addLink(operationMotionPreX->getOutputSocket(), combine_operation->getInputSocket(0));
+  converter.addLink(operationMotionPreY->getOutputSocket(), combine_operation->getInputSocket(1));
+  converter.addLink(operationMotionPostX->getOutputSocket(), combine_operation->getInputSocket(2));
+  converter.addLink(operationMotionPostY->getOutputSocket(), combine_operation->getInputSocket(3));
+  converter.mapOutputSocket(outputSpeed, combine_operation->getOutputSocket());
+}