return (None, None)
class MaterialProperty:
- def __init__(self, value):
+ def __init__(self, keyword, tex_keyword, value):
+ self.keyword = keyword
+ self.tex_keyword = tex_keyword
self.value = value
self.texture = None
self.tex_usage = None
def set_from_input(self, node_tree, input_socket, alpha_socket=None):
- if type(self.value)==tuple:
- if alpha_socket:
- self.value = input_socket.default_value[:len(self.value)-1]+(alpha_socket.default_value,)
- else:
- self.value = input_socket.default_value[:len(self.value)]
- elif self.value is not None:
- self.value = input_socket.default_value
-
- from_node, _ = get_linked_node_and_socket(node_tree, input_socket)
- alpha_from = None
- if from_node:
- if from_node.type=='NORMAL_MAP':
- from_node, _ = get_linked_node_and_socket(node_tree, from_node.inputs["Color"])
-
- if alpha_socket:
- alpha_from, _ = get_linked_node_and_socket(node_tree, alpha_socket)
- if alpha_from and alpha_from!=from_node:
- raise Exception("Separate textures for color and alpha are not supported")
-
- if from_node.type=='TEX_IMAGE':
- self.texture = from_node
- if alpha_from:
- self.tex_usage = 'RGBA'
- elif type(self.value)==tuple:
- self.tex_usage = 'RGB'
+ if self.keyword:
+ if type(self.value)==tuple:
+ if alpha_socket:
+ self.value = input_socket.default_value[:len(self.value)-1]+(alpha_socket.default_value,)
else:
- self.tex_usage = 'GRAY'
+ self.value = input_socket.default_value[:len(self.value)]
else:
- raise Exception("Unsupported property input node type "+from_node.type)
+ self.value = input_socket.default_value
+
+ if self.tex_keyword:
+ from_node, _ = get_linked_node_and_socket(node_tree, input_socket)
+ alpha_from = None
+ if from_node:
+ if from_node.type=='NORMAL_MAP':
+ from_node, _ = get_linked_node_and_socket(node_tree, from_node.inputs["Color"])
+ elif from_node.type=='RGBTOBW':
+ from_node, _ = get_linked_node_and_socket(node_tree, from_node.inputs["Color"])
+
+ if alpha_socket:
+ alpha_from, _ = get_linked_node_and_socket(node_tree, alpha_socket)
+ if alpha_from and alpha_from!=from_node:
+ raise Exception("Separate textures for color and alpha are not supported")
+
+ if from_node.type=='TEX_IMAGE':
+ self.texture = from_node
+ if alpha_from:
+ self.tex_usage = 'RGBA'
+ elif type(self.value)==tuple:
+ self.tex_usage = 'RGB'
+ else:
+ self.tex_usage = 'GRAY'
+ else:
+ raise Exception("Unsupported property input node type "+from_node.type)
class Material:
def __init__(self, material):
self.name = material.name
self.type = None
- self.properties = {}
+ self.properties = []
self.render_mode = material.render_mode
self.technique = material.technique
if self.render_mode=='BUILTIN':
raise Exception("Empty material can't use builtin rendering mode")
return
- elif surface_node.type!='BSDF_PRINCIPLED':
+ elif surface_node.type=='BSDF_PRINCIPLED':
+ self.type = "pbr"
+
+ base_color = self.create_property("base_color", (0.8, 0.8, 0.8, 1.0))
+ metalness = self.create_property("metalness", 0.0)
+ roughness = self.create_property("roughness", 0.5)
+ normal = self.create_property("normal_map")
+ emission = self.create_property("emission", (0.0, 0.0, 0.0))
+
+ base_color.set_from_input(material.node_tree, surface_node.inputs["Base Color"], surface_node.inputs["Alpha"])
+ metalness.set_from_input(material.node_tree, surface_node.inputs["Metallic"])
+ roughness.set_from_input(material.node_tree, surface_node.inputs["Roughness"])
+ normal.set_from_input(material.node_tree, surface_node.inputs["Normal"])
+ emission.set_from_input(material.node_tree, surface_node.inputs["Emission"])
+ elif surface_node.type=='EMISSION':
+ self.type = "unlit"
+
+ color = self.create_property("color", "texture", (1.0, 1.0, 1.0, 1.0))
+
+ color.set_from_input(material.node_tree, surface_node.inputs["Color"])
+ else:
raise Exception("Unsupported surface node type "+surface_node.type)
- self.type = "pbr"
-
- base_color = self.properties["base_color"] = MaterialProperty((0.8, 0.8, 0.8, 1.0))
- metalness = self.properties["metalness"] = MaterialProperty(0.0)
- roughness = self.properties["roughness"] = MaterialProperty(0.5)
- normal = self.properties["normal"] = MaterialProperty(None)
- emission = self.properties["emission"] = MaterialProperty((0.0, 0.0, 0.0))
-
- base_color.set_from_input(material.node_tree, surface_node.inputs["Base Color"], surface_node.inputs["Alpha"])
- metalness.set_from_input(material.node_tree, surface_node.inputs["Metallic"])
- roughness.set_from_input(material.node_tree, surface_node.inputs["Roughness"])
- normal.set_from_input(material.node_tree, surface_node.inputs["Normal"])
- emission.set_from_input(material.node_tree, surface_node.inputs["Emission"])
-
sampler_settings = None
- for p in self.properties.values():
+ for p in self.properties:
if p.texture:
settings = (p.texture.default_filter, p.texture.interpolation, p.texture.use_mipmap, p.texture.max_anisotropy)
if sampler_settings is None:
elif settings!=sampler_settings:
raise Exception("Conflicting sampler settings in material textures")
+ def create_property(self, *args):
+ prop = None
+ if len(args)==1:
+ prop = MaterialProperty(None, args[0], None)
+ elif len(args)==2:
+ prop = MaterialProperty(args[0], args[0]+"_map", args[1])
+ else:
+ prop = MaterialProperty(*args)
+ self.properties.append(prop)
+ return prop
+
-class MaterialMap:
+class MaterialAtlas:
def __init__(self, materials):
self.render_mode = materials[0].render_mode
if self.render_mode=='EXTERNAL':
- raise Exception("Material map with external render mode does not make sense")
+ raise Exception("Material atlas with external render mode does not make sense")
self.shader = materials[0].shader
if self.shader:
- self.name = "material_map_"+os.path.splitext(self.shader)[0]
+ self.name = "material_atlas_"+os.path.splitext(self.shader)[0]
else:
- self.name = "material_map"
+ self.name = "material_atlas"
self.materials = materials
self.material_names = [m.name for m in self.materials]
for m in self.materials:
if m.render_mode!=self.render_mode:
- raise Exception("Conflicting render modes in MaterialMap constructor")
+ raise Exception("Conflicting render modes in MaterialAtlas constructor")
if self.render_mode=='CUSTOM' and m.shader!=self.shader:
- raise Exception("Conflicting shaders in MaterialMap constructor")
+ raise Exception("Conflicting shaders in MaterialAtlas constructor")
count = len(self.materials)
size = 1
self.base_color_data = ""
for m in map(Material, self.materials):
if any(p.texture for p in m.properties):
- raise Exception("Texturing is incompatible with material map")
+ raise Exception("Texturing is incompatible with material atlas")
base_color = [int(cm(c)*255) for c in m.base_color.value]
self.base_color_data += "\\x{:02X}\\x{:02X}\\x{:02X}\\xFF".format(*base_color)
self.base_color_data += "\\x00\\x00\\x00\\x00"*(self.size[0]*self.size[1]-count)
y = index//self.size[0]
return ((x+0.5)/self.size[0], (y+0.5)/self.size[1])
-def create_material_map(context, material):
- if not material.material_map:
- raise Exception("Material is not part of a material map")
+def create_material_atlas(context, material):
+ if not material.material_atlas:
+ raise Exception("Material is not part of a material atlas")
shader = material.shader
materials = []
for m in context.blend_data.materials:
- if m.material_map and m.shader==shader:
+ if m.material_atlas and m.shader==shader:
materials.append(m)
- mat_map = MaterialMap(materials)
+ mat_map = MaterialAtlas(materials)
return mat_map
projects / libs / gl.git / blobdiff