import os
-def get_linked_node_and_socket(node_tree, socket):
- for l in node_tree.links:
- if socket==l.to_socket:
- return (l.from_node, l.from_socket)
- elif socket==l.from_socket:
- return (l.to_node, l.to_socket)
+def check_group(node_tree, group, func):
+ from .util import get_linked_node_and_socket
+
+ output = group.node_tree.nodes["Group Output"]
+ from_node, _ = get_linked_node_and_socket(group.node_tree, output.inputs[0])
+ if from_node:
+ from_node, _ = func(group.node_tree, from_node)
+ if from_node and from_node.type=='GROUP_INPUT':
+ return get_linked_node_and_socket(node_tree, group.inputs[0])
return (None, None)
+def check_invert_green(node_tree, node):
+ if node.type=='GROUP':
+ return check_group(node_tree, node, check_invert_green)
+ elif node.type!='COMBRGB':
+ return (None, None)
+
+ from .util import get_linked_node_and_socket
+
+ green, g_sock = get_linked_node_and_socket(node_tree, node.inputs["G"])
+ if not green or green.type!='MATH' or green.operation!='SUBTRACT':
+ return (None, None)
+ green, g_sock = get_linked_node_and_socket(node_tree, green.inputs[1])
+
+ red, r_sock = get_linked_node_and_socket(node_tree, node.inputs["R"])
+ blue, b_sock = get_linked_node_and_socket(node_tree, node.inputs["B"])
+ if not red or red.type!='SEPRGB' or blue!=red or green!=red:
+ return (None, None)
+
+ return get_linked_node_and_socket(node_tree, red.inputs["Image"])
+
class MaterialProperty:
def __init__(self, keyword, tex_keyword, value):
self.keyword = keyword
self.value = value
self.texture = None
self.tex_usage = None
+ self.invert_green = False
def set_from_input(self, node_tree, input_socket, alpha_socket=None):
if self.keyword:
self.value = input_socket.default_value
if self.tex_keyword:
+ from .util import get_linked_node_and_socket
+
from_node, _ = get_linked_node_and_socket(node_tree, input_socket)
alpha_from = None
if from_node:
+ usage = None
if from_node.type=='NORMAL_MAP':
from_node, _ = get_linked_node_and_socket(node_tree, from_node.inputs["Color"])
+ invert, _ = check_invert_green(node_tree, from_node)
+ if invert:
+ from_node = invert
+ self.invert_green = True
+ usage = 'RGB'
+ 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 from_node.type=='TEX_IMAGE':
self.texture = from_node
- if alpha_from:
+ if usage:
+ self.tex_usage = usage
+ elif alpha_from:
self.tex_usage = 'RGBA'
elif type(self.value)==tuple:
self.tex_usage = 'RGB'
self.render_mode = material.render_mode
self.technique = material.technique
self.shader = material.shader
+ self.receive_shadows = material.receive_shadows
+ self.cast_shadows = (material.shadow_method!='NONE')
+ self.image_based_lighting = material.image_based_lighting
if self.render_mode=='EXTERNAL' and not self.technique:
- raise Exception("Missing technique with external rendering mode")
+ raise Exception("Invalid configuration on material {}: No technique for external rendering".format(self.name))
elif self.render_mode=='CUSTOM' and not self.shader:
- raise Exception("Missing shader with custom rendering mode")
-
- out_node = None
- for n in material.node_tree.nodes:
- if n.type=='OUTPUT_MATERIAL':
- out_node = n
- break
+ raise Exception("Invalid configuration on material {}: No shader for custom rendering".format(self.name))
+ out_node = next((n for n in material.node_tree.nodes if n.type=='OUTPUT_MATERIAL'), None)
if not out_node:
- raise Exception("No material output node found")
+ raise Exception("No output node found on material {}".format(self.name))
+
+ from .util import get_linked_node_and_socket
surface_node, _ = get_linked_node_and_socket(material.node_tree, out_node.inputs["Surface"])
if not surface_node:
if self.render_mode=='BUILTIN':
- raise Exception("Empty material can't use builtin rendering mode")
+ raise Exception("Invalid configuration on material {}: Empty material with builtin rendering".format(self.name))
return
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")
+ 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"])
color.set_from_input(material.node_tree, surface_node.inputs["Color"])
else:
- raise Exception("Unsupported surface node type "+surface_node.type)
+ raise Exception("Unsupported surface node type {} on material {}".format(surface_node.type, self.name))
sampler_settings = None
for p in self.properties:
if sampler_settings is None:
sampler_settings = settings
elif settings!=sampler_settings:
- raise Exception("Conflicting sampler settings in material textures")
+ raise Exception("Material {} has conflicting texture sampler settings".format(self.name))
def create_property(self, *args):
prop = None
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.receive_shadows = materials[0].receive_shadows
+ self.cast_shadows = (materials[0].shadow_method!='NONE')
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")
+ if m.receive_shadows!=self.receive_shadows or m.shadow_method!=materials[0].shadow_method:
+ raise Exception("Conflicting shadow settings 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)
-
- return mat_map
+ return MaterialAtlas(materials)
projects / libs / gl.git / blobdiff