- def export_material(self, material):
- from .datafile import Resource, Statement
- mat_res = Resource(material.name+".mat")
- statements = mat_res.statements
-
- cm = get_colormap(material.srgb_colors)
- if any(s.use_map_color_diffuse for s in material.texture_slots if s):
- statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
- amb = cm(material.ambient)
- statements.append(Statement("ambient", amb, amb, amb, 1.0))
- else:
- diff = material.diffuse_color*material.diffuse_intensity
- statements.append(Statement("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0))
- amb = diff*material.ambient
- statements.append(Statement("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0))
- spec = material.specular_color*material.specular_intensity
- statements.append(Statement("specular", cm(spec.r), cm(spec.g), cm(spec.g), 1.0))
- statements.append(Statement("shininess", material.specular_hardness))
+ tech_res.statements.append(st)
+
+ if material.cast_shadows:
+ tech_res.statements.append(create_shadow_method(tech_res, material, resources, ""));
+ tech_res.statements.append(create_shadow_method(tech_res, material, resources, "_thsm"));
+
+ return tech_res
+
+class MaterialExporter:
+ def export_technique_resources(self, ctx, material, resources):
+ from .export_texture import SamplerExporter, TextureExporter
+ texture_export = TextureExporter()
+ sampler_export = SamplerExporter()
+
+ from .material import Material
+ if type(material)!=Material:
+ material = Material(material)
+
+ textured_props = [p for p in material.properties if p.texture]
+
+ ctx.set_slices(len(textured_props)+1)
+ for p in textured_props:
+ ctx.next_slice(p.texture.image)
+
+ tex_name = texture_export.get_texture_name(p.texture, p.tex_channels)
+ if tex_name not in resources:
+ resources[tex_name] = texture_export.export_texture(p.texture, p.tex_channels)
+
+ samp_name = sampler_export.get_sampler_name(p.texture)
+ if samp_name not in resources:
+ resources[samp_name] = sampler_export.export_sampler(p.texture)
+
+ ctx.next_slice(material)
+ mat_name = material.name+".mat"
+ if mat_name not in resources:
+ if material.type:
+ resources[mat_name] = self.export_material(material, resources)
+ else:
+ resources[mat_name] = None
+
+ if material.cast_shadows and material.alpha_cutoff>0.0:
+ for detail in ("", "_thsm"):
+ shader_name = "occluder{}_masked.shader".format(detail)
+ if shader_name not in resources:
+ resources[shader_name] = self.export_shader(shader_name, "occluder{}.glsl".format(detail), {"use_alpha_cutoff":True}, resources)
+
+ def export_technique(self, material, resources):
+ from .material import Material
+ if type(material)!=Material:
+ material = Material(material)
+
+ return create_technique_resource(material, resources)
+
+ def export_material(self, material, resources):
+ from .datafile import Resource, Statement, Token
+ mat_res = Resource(material.name+".mat", "material")
+
+ if material.type!="pbr" and material.type!="unlit":
+ raise Exception("Can't export material {} of unknown type {}".format(material.name, material.type))
+
+ mat_res.statements.append(Statement("type", Token(material.type)));
+ for p in material.properties:
+ st = self.create_property_statement(mat_res, p, resources)
+ if st:
+ mat_res.statements.append(st)
+ textures = [p.texture for p in material.properties if p.texture]
+ if textures:
+ from .export_texture import SamplerExporter
+ sampler_export = SamplerExporter()
+ mat_res.statements.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(textures[0])]))
+ if material.alpha_cutoff>0.0:
+ mat_res.statements.append(Statement("alpha_cutoff", material.alpha_cutoff))