self.input = None
checks = [self.check_group,
+ self.check_scale,
self.check_gray,
+ self.check_extract,
self.check_normal,
- self.check_invert_green,
+ self.check_invert_channels,
self.check_additive_blend,
self.check_texture]
for c in checks:
self.data = inner.data
return self.set_input_from_linked(self.node.inputs[0])
+ def check_scale(self):
+ if self.node.type!='MATH':
+ return
+
+ if self.node.operation=='MULTIPLY':
+ for i in range(2):
+ if not self.node.inputs[i].is_linked:
+ self.type = 'SCALE'
+ self.data = self.node.inputs[i].default_value
+ return self.set_input_from_linked(self.node.inputs[1-i])
+
def check_gray(self):
if self.node.type=='RGBTOBW':
self.type = 'GRAY'
self.set_input_from_linked(self.node.inputs["Color"])
+ def check_extract(self):
+ if self.node.type=='SEPRGB':
+ self.type = 'EXTRACT'
+ self.data = self.socket.name[0]
+ return self.set_input_from_linked(self.node.inputs["Image"])
+
def check_normal(self):
if self.node.type=='NORMAL_MAP':
self.type = 'NORMAL'
return self.set_input_from_linked(self.node.inputs["Color"])
- def check_invert_green(self):
+ def check_invert_channels(self):
if self.node.type!='COMBRGB':
return
from .util import get_linked_node_and_socket
- green, _ = get_linked_node_and_socket(self.node_tree, self.node.inputs["G"])
- if not green or green.type!='MATH' or green.operation!='SUBTRACT':
- return
- green, _ = get_linked_node_and_socket(self.node_tree, green.inputs[1])
+ separate = None
+ invert_channels = ""
+ for c in ("R", "G", "B"):
+ from_node, _ = get_linked_node_and_socket(self.node_tree, self.node.inputs[c])
+ if from_node.type=='MATH' and from_node.operation=='SUBTRACT' and not from_node.inputs[0].is_linked and from_node.inputs[0].default_value==1.0:
+ invert_channels += c
+ from_node, _ = get_linked_node_and_socket(self.node_tree, from_node.inputs[1])
- red, _ = get_linked_node_and_socket(self.node_tree, self.node.inputs["R"])
- blue, _ = get_linked_node_and_socket(self.node_tree, self.node.inputs["B"])
- if not red or red.type!='SEPRGB' or blue!=red or green!=red:
- return
+ if from_node.type=='SEPRGB' and (separate is None or from_node==separate):
+ separate = from_node
+ else:
+ return
+
+ self.type = 'INVERT'
+ self.data = invert_channels
- self.type = 'INVERT_GREEN'
- return self.set_input_from_linked(red.inputs["Image"])
+ return self.set_input_from_linked(separate.inputs["Image"])
def check_additive_blend(self):
if self.node.type=='ADD_SHADER':
self.value = value
self.texture = None
self.tex_channels = None
+ self.scale = 1.0
def set_from_input(self, node_tree, input_socket, alpha_socket=None):
if self.keyword:
channels = ['R', 'G', 'B']
elif n.type=='GRAY':
channels = ['Y']
- elif n.type=='INVERT_GREEN':
- channels[1] = '~G'
+ elif n.type=='EXTRACT':
+ channels = [n.data]
+ elif n.type=='INVERT':
+ channels = ['~'+c if c in n.data else c for c in channels]
+ elif n.type=='SCALE':
+ self.scale = n.data
elif n.type=='TEXTURE':
self.texture = n.node
n = n.input
if alpha_from and alpha_from!=self.texture:
raise Exception("Separate textures for color and alpha are not supported")
- if self.texture:
+ if self.scale==0.0 and self.keyword and type(self.value)!=tuple:
+ self.texture = None
+ self.value = self.scale
+ elif self.scale!=1.0:
+ raise Exception("Unsupported material property scale {}".format(self.scale))
+ elif self.texture:
if channels:
self.tex_channels = channels
elif alpha_from:
self.receive_shadows = material.receive_shadows
self.cast_shadows = (material.shadow_method!='NONE')
self.blend_type = 'ALPHA' if material.blend_method=='BLEND' else 'NONE'
+ self.alpha_cutoff = material.alpha_threshold if material.blend_method=='CLIP' else 0.0
self.image_based_lighting = material.image_based_lighting
if self.render_mode=='EXTERNAL' and not self.technique:
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:
+ from_node, from_sock = get_linked_node_and_socket(material.node_tree, out_node.inputs["Surface"])
+ if not from_node:
if self.render_mode=='BUILTIN':
raise Exception("Invalid configuration on material {}: Empty material with builtin rendering".format(self.name))
return
- additive_node, _ = check_additive_blend(material.node_tree, surface_node)
- if additive_node:
+ surface_node = PropertyNode(material.node_tree, from_node, from_sock)
+ if surface_node.type=='ADDITIVE':
self.blend_type = 'ADDITIVE'
- surface_node = additive_node
+ from_node = surface_node.input.node
- if surface_node.type=='BSDF_PRINCIPLED':
+ if from_node.type=='BSDF_PRINCIPLED':
self.type = "pbr"
base_color = self.create_property("base_color", (0.8, 0.8, 0.8, 1.0))
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' or surface_node.type=='MIX_SHADER':
- color_input, alpha_input = get_unlit_inputs(material.node_tree, surface_node, self.blend_type=='ADDITIVE')
+ base_color.set_from_input(material.node_tree, from_node.inputs["Base Color"], from_node.inputs["Alpha"])
+ metalness.set_from_input(material.node_tree, from_node.inputs["Metallic"])
+ roughness.set_from_input(material.node_tree, from_node.inputs["Roughness"])
+ normal.set_from_input(material.node_tree, from_node.inputs["Normal"])
+ emission.set_from_input(material.node_tree, from_node.inputs["Emission"])
+ elif from_node.type=='EMISSION' or from_node.type=='MIX_SHADER':
+ color_input, alpha_input = get_unlit_inputs(material.node_tree, from_node, self.blend_type=='ADDITIVE')
if not color_input:
raise Exception("Unsupported configuration for unlit material {}".format(self.name))
if self.blend_type=='ADDITIVE' and alpha_input:
self.blend_type = 'ADDITIVE_ALPHA'
else:
- raise Exception("Unsupported surface node type {} on material {}".format(surface_node.type, self.name))
+ raise Exception("Unsupported surface node type {} on material {}".format(from_node.type, self.name))
sampler_settings = None
for p in self.properties: