Add scenegraph nodes for matrix rotate and depth test function.

src/mcedit2/rendering/rendergraph.py

@@ -211,6 +211,26 @@ class TranslateRenderNode(RenderstateRenderNode):
         GL.glMatrixMode(GL.GL_MODELVIEW)
         GL.glPopMatrix()
 
+class RotateRenderNode(RenderstateRenderNode):
+    def __init__(self, sceneNode):
+        """
+
+        :type sceneNode: TranslateNode
+        """
+        super(RotateRenderNode, self).__init__(sceneNode)
+
+    def __repr__(self):
+        return "RotateRenderNode(%s, %s)" % (self.sceneNode.degrees,self.sceneNode.axis)
+
+    def enter(self):
+        GL.glMatrixMode(GL.GL_MODELVIEW)
+        GL.glPushMatrix()
+        GL.glRotate(self.sceneNode.degrees, *self.sceneNode.axis)
+
+    def exit(self):
+        GL.glMatrixMode(GL.GL_MODELVIEW)
+        GL.glPopMatrix()
+
 
 class PolygonModeRenderNode(RenderstateRenderNode):
     def enter(self):
@@ -327,6 +347,14 @@ class DepthMaskRenderNode(RenderstateRenderNode):
     def exit(self):
         GL.glPopAttrib()
 
+class DepthFuncRenderNode(RenderstateRenderNode):
+    def enter(self):
+        GL.glPushAttrib(GL.GL_DEPTH_BUFFER_BIT)
+        GL.glDepthFunc(self.sceneNode.func)
+
+    def exit(self):
+        GL.glPopAttrib()
+
 class BoxRenderNode(RenderNode):
     def drawSelf(self):
         box = self.sceneNode.box

src/mcedit2/rendering/scenegraph.py

@@ -179,12 +179,28 @@ class TranslateNode(Node):
         self._translateOffset = value
         self.dirty = True
 
+class RotateNode(Node):
+    RenderNodeClass = rendergraph.RotateRenderNode
+
+    def __init__(self, degrees, axis):
+        super(RotateNode, self).__init__()
+        self.degrees = degrees
+        self.axis = axis
+
+
 
 class DepthMaskNode(Node):
     RenderNodeClass = rendergraph.DepthMaskRenderNode
     mask = False
 
 
+class DepthFuncNode(Node):
+    RenderNodeClass = rendergraph.DepthFuncRenderNode
+
+    def __init__(self, func=GL.GL_LESS):
+        super(DepthFuncNode, self).__init__()
+        self.func = func
+
 class ClearNode(Node):
     RenderNodeClass = rendergraph.ClearRenderNode