Display red boxes for entities as wireframes

Added PolygonModeNode

src/mcedit2/rendering/chunkmeshes/entitymesh.py

@@ -3,11 +3,13 @@
 """
 from __future__ import absolute_import, division, print_function, unicode_literals
 import logging
+from OpenGL import GL
 import numpy
 from mcedit2.rendering import renderstates, scenegraph
 from mcedit2.rendering.blockmeshes import standardCubeTemplates
 from mcedit2.rendering.blockmeshes import ChunkMeshBase
 from mcedit2.rendering.layers import Layer
+from mcedit2.rendering.scenegraph import PolygonModeNode
 from mcedit2.rendering.slices import _XYZ
 from mcedit2.rendering.vertexarraybuffer import QuadVertexArrayBuffer
 from mceditlib.anvil.entities import PCPaintingEntityRefBase
@@ -147,7 +149,10 @@ class MonsterRenderer(EntityMeshBase):
                                          offset=True,
                                          chunkPosition=chunk.chunkPosition)
         yield
-        self.sceneNode = scenegraph.VertexNode(monsters)
+
+        vertexNode = scenegraph.VertexNode(monsters)
+        self.sceneNode = PolygonModeNode(GL.GL_FRONT_AND_BACK, GL.GL_LINE)
+        self.sceneNode.addChild(vertexNode)
 
 
 

src/mcedit2/rendering/rendergraph.py

@@ -212,6 +212,15 @@ class TranslateRenderNode(RenderstateRenderNode):
         GL.glPopMatrix()
 
 
+class PolygonModeRenderNode(RenderstateRenderNode):
+    def enter(self):
+        GL.glPushAttrib(GL.GL_POLYGON_BIT)
+        GL.glPolygonMode(self.sceneNode.face, self.sceneNode.mode)
+
+    def exit(self):
+        GL.glPopAttrib()
+
+
 class VertexRenderNode(RenderNode):
     def __init__(self, sceneNode):
         """

src/mcedit2/rendering/scenegraph.py

@@ -208,6 +208,13 @@ class OrthoNode(Node):
         self._size = value
         self.dirty = True
 
+class PolygonModeNode(Node):
+    RenderNodeClass = rendergraph.PolygonModeRenderNode
+    def __init__(self, face, mode):
+        super(PolygonModeNode, self).__init__()
+        self.face = face
+        self.mode = mode
+
 
 class VertexNode(Node):
     RenderNodeClass = rendergraph.VertexRenderNode