xxx destroy this commit, adds logging to rendernode

src/mcedit2/rendering/scenegraph/rendernode.py

@@ -80,9 +80,11 @@ class RenderNode(object):
         return self.displayList.getList()
 
     def callList(self):
+        rendernode_log("callList", self)
         self.displayList.call()
 
     def compile(self):
+        rendernode_log("compile", self)
         if self.childNeedsRecompile:
             for node in self.children:
                 if node.sceneNode.visible:
@@ -92,6 +94,7 @@ class RenderNode(object):
         self.displayList.compile(self.draw)
 
     def draw(self):
+        rendernode_log("draw", self)
         self.drawSelf()
         self.drawChildren()
 
@@ -165,6 +168,26 @@ def createRenderNode(sceneNode):
     updateRenderNode(renderNode)
     return renderNode
 
+logUpdateRenderNode = False
+
+rendernode_file = None
+
+def rendernode_log(msg, node, *a):
+    if not logUpdateRenderNode:
+        return
+
+    global rendernode_file
+    if rendernode_file is None:
+        rendernode_file = open("rendernode.log", "w")
+
+    if len(a):
+        msg = msg % a
+
+    msg = str(node) + ": " + msg
+
+    rendernode_file.write(msg)
+    rendernode_file.write("\n")
+
 
 def updateRenderNode(renderNode):
     """
@@ -182,20 +205,25 @@ def updateRenderNode(renderNode):
     :type renderNode: mcedit2.rendering.rendernode.RenderNode
     """
     sceneNode = renderNode.sceneNode
+    rendernode_log("updateRenderNode", sceneNode)
 
     if sceneNode.dirty:
+        rendernode_log("dirty", sceneNode)
         renderNode.invalidate()
         sceneNode.dirty = False
 
     if sceneNode.childrenChanged:
+        rendernode_log("childrenChanged", sceneNode)
         updateChildren(renderNode)
         sceneNode.childrenChanged = False
 
     if sceneNode.descendentNeedsUpdate:
+        rendernode_log("descendentNeedsUpdate", sceneNode)
         for renderChild in renderNode.children:
             updateRenderNode(renderChild)
         sceneNode.descendentNeedsUpdate = False
 
+
 def updateChildren(renderNode):
     """
     Compare the children of this renderNode to the children of its sceneNode. Create
@@ -208,10 +236,12 @@ def updateChildren(renderNode):
     """
     sceneNode = renderNode.sceneNode
     orphans = []
+    rendernode_log("childrenChanged", sceneNode)
 
     # Find renderNode children whose sceneNode is no longer this node's sceneNode
     for renderChild in renderNode.children:
         if not renderChild.sceneNode.hasParent(sceneNode):
+            rendernode_log("orphaned", renderChild)
             orphans.append(renderChild)
 
     for node in orphans:
@@ -222,9 +252,10 @@ def updateChildren(renderNode):
     for index, sceneChild in enumerate(sceneNode.children):
         renderChild = renderNode.childrenBySceneNode.get(sceneChild)
         if renderChild is None:
-            renderNode.insertNode(index, createRenderNode(sceneChild))
+            renderChild = createRenderNode(sceneChild)
+            renderNode.insertNode(index, renderChild)
             sceneChild.dirty = False
-
+            rendernode_log("new child", renderChild)
 
 
 def renderScene(renderNode):
@@ -235,3 +266,10 @@ def renderScene(renderNode):
     with profiler.context("renderNode.callList"):
         renderNode.callList()
 
+    global rendernode_file, logUpdateRenderNode
+    logUpdateRenderNode = False
+    if rendernode_file:
+        rendernode_file.close()
+        rendernode_file = None
+
+