def _set_texture(self, node_tree, name):
_LOG.enter()
expected_name = name + "Texture"
node = NodeService.find_node_by_name(node_tree, expected_name)
self._settings[expected_name] = None
if not node is None:
node_info = NodeService.get_node_info(node)
if "filename" in node_info and node_info["filename"]:
self._settings[expected_name] = node_info["filename"]
else:
_LOG.warn(
"The following texture node did not have an image file, so cannot set a MHMAT key for it",
expected_name)
else:
_LOG.debug("Could not find a node for", expected_name)
def check_that_all_textures_are_saved(self, blender_object):
material = blender_object.material_slots[0].material
node_tree = material.node_tree
for texture_name_base in _TEXTURE_NAMES:
texture_name = texture_name_base + "Texture"
node = NodeService.find_node_by_name(node_tree, texture_name)
if node:
# The material has this kind of texture, check that its image exists
node_info = NodeService.get_node_info(node)
if not "filename" in node_info or not node_info["filename"]:
return "The " + texture_name + " node has an unsaved image"
if not os.path.exists(node_info["filename"]):
return "The " + texture_name + " refers to an image which does not exist as a file"
else:
# The material isn't using this kind of texture
_LOG.debug("No node was found for", texture_name)
return None