X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fmaterial.py;h=93f177908b4b6ede25de2a24b2e1f7d8fc1d5246;hp=ce31317418042f1d92d2d69e7f12432d47740cf2;hb=c3ebbcb56c1ca9bb3022a7f49aab1da5e09150ba;hpb=d14b33347983d1d0cd608b29b5ee9b7a37d98c5b diff --git a/blender/io_mspgl/material.py b/blender/io_mspgl/material.py index ce313174..93f17790 100644 --- a/blender/io_mspgl/material.py +++ b/blender/io_mspgl/material.py @@ -9,51 +9,53 @@ def get_linked_node_and_socket(node_tree, socket): 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)] - else: - 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.base_color = MaterialProperty((0.8, 0.8, 0.8, 1.0)) - self.metalness = MaterialProperty(0.0) - self.roughness = MaterialProperty(0.5) - self.normal = MaterialProperty((0.0, 0.0, 0.1)) - self.emission = MaterialProperty((0.0, 0.0, 0.0)) + self.type = None + self.properties = [] self.render_mode = material.render_mode self.technique = material.technique @@ -75,18 +77,32 @@ class Material: surface_node, _ = get_linked_node_and_socket(material.node_tree, out_node.inputs["Surface"]) if not surface_node: - raise Exception("Material has no surface node") - elif surface_node.type!='BSDF_PRINCIPLED': + if self.render_mode=='BUILTIN': + raise Exception("Empty material can't use builtin rendering mode") + 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_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.base_color.set_from_input(material.node_tree, surface_node.inputs["Base Color"], surface_node.inputs["Alpha"]) - self.metalness.set_from_input(material.node_tree, surface_node.inputs["Metallic"]) - self.roughness.set_from_input(material.node_tree, surface_node.inputs["Roughness"]) - self.normal.set_from_input(material.node_tree, surface_node.inputs["Normal"]) - self.emission.set_from_input(material.node_tree, surface_node.inputs["Emission"]) - - self.properties = (self.base_color, self.metalness, self.roughness, self.normal, self.emission) - sampler_settings = None for p in self.properties: if p.texture: @@ -96,25 +112,36 @@ class Material: 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 @@ -131,7 +158,7 @@ class MaterialMap: 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) @@ -142,16 +169,16 @@ class MaterialMap: 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") - tech = material.technique + shader = material.shader materials = [] for m in context.blend_data.materials: - if m.material_map and m.technique==tech: + if m.material_atlas and m.shader==shader: materials.append(m) - mat_map = MaterialMap(materials) + mat_map = MaterialAtlas(materials) return mat_map