From 725ee72b8f17cf4c3c853c2163763839af28319b Mon Sep 17 00:00:00 2001
From: David Vierra <codewarrior@hawaii.rr.com>
Date: Sat, 11 Jul 2015 11:37:50 -1000
Subject: [PATCH] Display red boxes for entities as wireframes

Added PolygonModeNode
---
 src/mcedit2/rendering/chunkmeshes/entitymesh.py | 7 ++++++-
 src/mcedit2/rendering/rendergraph.py            | 9 +++++++++
 src/mcedit2/rendering/scenegraph.py             | 7 +++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/mcedit2/rendering/chunkmeshes/entitymesh.py b/src/mcedit2/rendering/chunkmeshes/entitymesh.py
index 29a9dcb..afd473e 100644
--- a/src/mcedit2/rendering/chunkmeshes/entitymesh.py
+++ b/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)
 
 
 
diff --git a/src/mcedit2/rendering/rendergraph.py b/src/mcedit2/rendering/rendergraph.py
index 7909d09..1062bfc 100644
--- a/src/mcedit2/rendering/rendergraph.py
+++ b/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):
         """
diff --git a/src/mcedit2/rendering/scenegraph.py b/src/mcedit2/rendering/scenegraph.py
index b93d83b..3c7d922 100644
--- a/src/mcedit2/rendering/scenegraph.py
+++ b/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