Add method to SceneUpdateTask to get a model texture.

Uses the ResourceLoader from the texture atlas.
Puts the texture size on the texture where the entity model renderer can find it. Which is wrong.
Kinda gross.

src/mcedit2/rendering/textureatlas.py

@@ -83,7 +83,7 @@ class TextureAtlas(object):
         self.blockModels = blockModels
         self.blocktypes = world.blocktypes
         self._filename = world.filename
-        self._resourceLoader = resourceLoader
+        self.resourceLoader = resourceLoader
         self._lightTexture = None
         self._terrainTexture = None
         self._maxLOD = maxLOD
@@ -212,7 +212,7 @@ class TextureAtlas(object):
         if name == "MCEDIT_UNKNOWN":
             block_unknown = resourcePath("mcedit2/assets/mcedit2/block_unknown.png")
             return file(block_unknown, "rb")
-        return self._resourceLoader.openStream(name)
+        return self.resourceLoader.openStream(name)
 
     def bindTerrain(self):
         self._terrainTexture.bind()

src/mcedit2/rendering/worldscene.py

@@ -17,6 +17,7 @@ from mcedit2.rendering.chunkupdate import ChunkRenderInfo
 from mcedit2.rendering.depths import DepthOffset
 from mcedit2.rendering.geometrycache import GeometryCache
 from mcedit2.util.glutils import Texture
+from mcedit2.util.load_png import loadPNGData
 from mceditlib.anvil.biome_types import BiomeTypes
 
 log = logging.getLogger(__name__)
@@ -38,6 +39,7 @@ def layerProperty(layer, default=True):
 
 DEBUG_WORLDMESH_LISTS = "-debuglists" in sys.argv
 
+
 class SceneUpdateTask(object):
     showRedraw = True
     showHiddenOres = False
@@ -62,6 +64,7 @@ class SceneUpdateTask(object):
 
         self.textureAtlas = textureAtlas
         self.mapTextures = {}
+        self.modelTextures = {}
 
         self.renderType = numpy.zeros((256*256,), 'uint8')
         self.renderType[:] = 3
@@ -175,6 +178,26 @@ class SceneUpdateTask(object):
             self.mapTextures[mapID] = mapTex
             return mapTex
 
+    def getModelTexture(self, texturePath):
+        if texturePath in self.modelTextures:
+            return self.modelTextures[texturePath]
+
+        try:
+            w, h, rgba = loadPNGData(self.textureAtlas.resourceLoader.openStream(texturePath).read())
+        except Exception as e:
+            log.exception("Model texture %s could not be loaded", texturePath)
+        else:
+            def _load():
+                GL.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGBA, w, h, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, rgba[::-1])
+
+            modelTex = Texture(_load)
+            modelTex.w = w  # ewwwww
+            modelTex.h = h
+            self.modelTextures[texturePath] = modelTex
+            return modelTex
+
+
+
 
 class WorldScene(scenegraph.Node):
     def __init__(self, dimension, textureAtlas=None, geometryCache=None, bounds=None):