X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fmaterial.py;fp=blender%2Fio_mspgl%2Fmaterial.py;h=b1d2756ebf7eb264ebc5e0412a307401b6d019f7;hp=3e2bce001943d4c26090129dcd9650153abae9a1;hb=f1b2d23969f944cb4e914487885bcf44e5bd0380;hpb=5593d59bfe30fd7eecc55bc3580d87fcb91f0248 diff --git a/blender/io_mspgl/material.py b/blender/io_mspgl/material.py index 3e2bce00..b1d2756e 100644 --- a/blender/io_mspgl/material.py +++ b/blender/io_mspgl/material.py @@ -156,6 +156,33 @@ def get_unlit_inputs(node_tree, node, additive): return (color_input, None) return (None, None) +def get_splat_layers(node_tree, node): + from .util import get_linked_node_and_socket + + if node.type!='MIX_SHADER': + return + + layers = [] + while True: + factor_from, factor_sock = get_linked_node_and_socket(node_tree, node.inputs["Fac"]) + if factor_from.type!='SEPRGB': + return + + factor_from, _ = get_linked_node_and_socket(node_tree, factor_from.inputs["Image"]) + if factor_from.type!='VERTEX_COLOR': + return + + shader1, _ = get_linked_node_and_socket(node_tree, node.inputs[1]) + shader2, _ = get_linked_node_and_socket(node_tree, node.inputs[2]) + layers.append((shader2, factor_from.layer_name, factor_sock.name[0])) + if shader1.type=='MIX_SHADER': + node = shader1 + else: + layers.append((shader1, None, None)) + break + + return layers + class MaterialProperty: def __init__(self, keyword, tex_keyword, value): self.keyword = keyword @@ -224,11 +251,18 @@ class MaterialProperty: else: raise Exception("Unsupported property input node type "+from_node.type) +class SubMaterial: + def __init__(self): + self.properties = [] + self.weight_source = (None, None) + class Material: def __init__(self, material): self.name = material.name self.type = None self.properties = [] + self.sub_materials = [] + self.array_storage = {} self.render_mode = material.render_mode self.technique = material.technique @@ -266,33 +300,45 @@ class Material: if from_node.type=='BSDF_PRINCIPLED': self.type = "pbr" - - base_color = self.create_property("base_color", (0.8, 0.8, 0.8, 1.0)) - tint = self.create_property("tint", (1.0, 1.0, 1.0, 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, from_node.inputs["Base Color"], from_node.inputs["Alpha"]) - if base_color.tint: - tint.value = base_color.tint - 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"]) + self.init_pbr_properties(material.node_tree, from_node) 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)) + splat_layers = get_splat_layers(material.node_tree, from_node) + if splat_layers: + for s in splat_layers: + if s[0].type!='BSDF_PRINCIPLED': + raise Exception("Unsupported splat layer type {} on splat material {}".format(s[0].type, self.name)) + + from .texture import Texture + + self.type = "splat" + self.sub_materials = [] + for l in splat_layers: + self.init_pbr_properties(material.node_tree, l[0]) + sub = SubMaterial() + sub.properties = self.properties + sub.weight_source = l[1:] + self.sub_materials.append(sub) + self.properties = [] + + for p in sub.properties: + if p.texture: + texture = Texture(p.texture, p.tex_channels) + storage = (texture.pixelformat, texture.width, texture.height) + existing = self.array_storage.setdefault(p.tex_keyword, storage) + if storage!=existing: + raise Exception("Inconsistent storage for {} on splat material {}".format(p.tex_keyword, self.name)) + else: + 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)) - self.type = "unlit" + self.type = "unlit" - color = self.create_property("color", "texture", (1.0, 1.0, 1.0, 1.0)) + color = self.create_property("color", "texture", (1.0, 1.0, 1.0, 1.0)) - color.set_from_input(material.node_tree, color_input, alpha_input) - if self.blend_type=='ADDITIVE' and alpha_input: - self.blend_type = 'ADDITIVE_ALPHA' + color.set_from_input(material.node_tree, color_input, alpha_input) + if self.blend_type=='ADDITIVE' and alpha_input: + self.blend_type = 'ADDITIVE_ALPHA' else: raise Exception("Unsupported surface node type {} on material {}".format(from_node.type, self.name)) @@ -315,3 +361,19 @@ class Material: prop = MaterialProperty(*args) self.properties.append(prop) return prop + + def init_pbr_properties(self, node_tree, from_node): + base_color = self.create_property("base_color", (0.8, 0.8, 0.8, 1.0)) + tint = self.create_property("tint", (1.0, 1.0, 1.0, 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(node_tree, from_node.inputs["Base Color"], from_node.inputs["Alpha"]) + if base_color.tint: + tint.value = base_color.tint + metalness.set_from_input(node_tree, from_node.inputs["Metallic"]) + roughness.set_from_input(node_tree, from_node.inputs["Roughness"]) + normal.set_from_input(node_tree, from_node.inputs["Normal"]) + emission.set_from_input(node_tree, from_node.inputs["Emission"])