-import os
+def create_shadow_method(tech_res, material, resources, detail):
+ from .datafile import Statement, Token
-class MaterialExporter:
- def __init__(self):
- self.single_file = True
- self.use_textures = True
+ color_prop = next((p for p in material.properties if p.keyword and "color" in p.keyword), None)
+
+ st = Statement("method", "shadow"+detail)
+ if material.alpha_cutoff>0.0 and color_prop and 'A' in color_prop.tex_channels:
+ st.sub.append(tech_res.create_reference_statement("shader", resources["occluder{}_masked.shader".format(detail)]))
+ ss = Statement("texture", "alpha_map")
- def create_texture_exporter(self):
from .export_texture import TextureExporter
+ from .export_texture import SamplerExporter
texture_export = TextureExporter()
- texture_export.inline_data = self.single_file
- return texture_export
+ sampler_export = SamplerExporter()
+
+ tex_res = resources[texture_export.get_texture_name(color_prop.texture, color_prop.tex_channels)]
+ ss.sub.append(tech_res.create_reference_statement("texture", tex_res))
+ ss.sub.append(tech_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(color_prop.texture)]))
+ st.sub.append(ss)
+
+ ss = Statement("uniforms")
+ ss.sub.append(Statement("uniform", "alpha_cutoff", material.alpha_cutoff))
+ st.sub.append(ss)
+ else:
+ st.sub.append(Statement("shader", "occluder{}.glsl.shader".format(detail)))
+
+ if material.face_cull=='BACK':
+ st.sub.append(Statement("face_cull", Token("CULL_BACK")))
+
+ return st;
+
+def create_technique_resource(material, resources):
+ from .datafile import Resource, Statement, Token
+ tech_res = Resource(material.name+".tech", "technique")
+
+ mat_res = resources[material.name+".mat"]
+
+ blend_st = None
+ if material.blend_type=='ALPHA':
+ blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE_MINUS_SRC_ALPHA"))
+ elif material.blend_type=='ADDITIVE':
+ blend_st = Statement("blend", Token("ONE"), Token("ONE"))
+ elif material.blend_type=='ADDITIVE_ALPHA':
+ blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE"))
+
+ if material.render_mode=='CUSTOM':
+ for m in material.render_methods:
+ st = Statement("method", m.tag)
+ if mat_res and m.use_material:
+ st.sub.append(tech_res.create_reference_statement("material", mat_res))
- def export_technique_resources(self, material, resources):
- texture_export = self.create_texture_exporter()
+ if m.tag=="blended" and blend_st:
+ st.sub.append(blend_st)
- mat_name = material.name+".mat"
- if mat_name not in resources:
- resources[mat_name] = self.export_material(material)
+ shader = m.shader
+ if shader.endswith(".glsl"):
+ shader += ".shader"
+ st.sub.append(Statement("shader", shader))
- if self.use_textures:
- for s in material.texture_slots:
- if s and s.texture.type=='IMAGE' and s.texture.image:
- tex_name = s.texture.name+".tex2d"
- if tex_name not in resources:
- resources[tex_name] = texture_export.export_texture(s.texture)
+ if material.uniforms:
+ ss = Statement("uniforms")
+ for u in material.uniforms:
+ ss.sub.append(Statement("uniform", u.name, *u.values[:u.size]))
+ st.sub.append(ss)
+
+ if material.face_cull=='BACK':
+ st.sub.append(Statement("face_cull", Token("CULL_BACK")))
- def export_technique(self, material, *, resources):
- from .datafile import Resource, Statement
- tech_res = Resource(material.name+".tech")
-
- mat_res = resources[material.name+".mat"]
- textures = {}
- if self.use_textures:
- image_texture_slots = [s for s in material.texture_slots if s and s.texture.type=='IMAGE' and s.texture.image]
- for s in image_texture_slots:
- if s.use_map_color_diffuse:
- textures["diffuse_map"] = s.texture
- elif s.use_map_normal:
- textures["normal_map"] = s.texture
-
- if material.technique:
- if not material.inherit_tech:
- return tech_res
-
- if self.single_file:
- raise Exception("Can't export inherited technique to a single file")
-
- st = Statement("inherit", material.technique)
- for s, t in textures.items():
- if t.default_filter and t.image.filepath:
- st.sub.append(Statement("texture", s, os.path.basename(t.image.filepath)))
- else:
- st.sub.append(tech_res.create_reference_statement("texture", s, resources[t.name+".tex2d"]))
- if material.override_material:
- st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
tech_res.statements.append(st)
- else:
- st = Statement("pass", "")
- if self.single_file:
- st.sub.append(tech_res.create_embed_statement("material", mat_res))
+ else:
+ base_method = "blended" if material.blend_type!='NONE' else ""
+ st = Statement("method", base_method)
+ if mat_res:
+ st.sub.append(tech_res.create_embed_statement("material", mat_res))
+
+ if blend_st:
+ st.sub.append(blend_st)
+ if material.receive_shadows:
+ st.sub.append(Statement("receive_shadows", True))
+ if material.image_based_lighting:
+ st.sub.append(Statement("image_based_lighting", True))
+ if material.face_cull=='BACK':
+ st.sub.append(Statement("face_cull", Token("CULL_BACK")))
+
+ 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:
- st.sub.append(tech_res.create_reference_statement("material", mat_res))
+ resources[mat_name] = None
- if "diffuse_map" in textures:
- diffuse_tex = textures["diffuse_map"]
- tex_res = resources[diffuse_tex.name+".tex2d"]
- ss = Statement("texunit", 0)
- if self.single_file:
- ss.sub.append(tech_res.create_embed_statement("texture2d", tex_res))
- elif diffuse_tex.default_filter and diffuse_tex.image.filepath:
- ss.sub.append(Statement("texture", os.path.basename(diffuse_tex.image.filepath)))
- else:
- ss.sub.append(tech_res.create_reference_statement("texture", tex_res))
- st.sub.append(ss)
+ 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)
- tech_res.statements.append(st)
+ def export_technique(self, material, resources):
+ from .material import Material
+ if type(material)!=Material:
+ material = Material(material)
- return tech_res
+ return create_technique_resource(material, resources)
- def export_material(self, material):
- from .datafile import Resource, Statement
- mat_res = Resource(material.name+".mat")
- statements = mat_res.statements
+ 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))
- from .util import get_colormap
- cm = get_colormap(material.srgb_colors)
+ return mat_res
- 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))
+ def create_property_statement(self, mat_res, prop, resources):
+ from .datafile import Statement
+ if prop.texture:
+ from .export_texture import TextureExporter
+ texture_export = TextureExporter()
+ tex_res = resources[texture_export.get_texture_name(prop.texture, prop.tex_channels)]
+ return mat_res.create_reference_statement(prop.tex_keyword, tex_res)
+ elif not prop.keyword:
+ return
+ elif type(prop.value)==tuple:
+ return Statement(prop.keyword, *prop.value)
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))
+ return Statement(prop.keyword, prop.value)
- return mat_res
+ def export_shader(self, name, module, spec_values, resources):
+ from .datafile import Resource, Statement
+ shader_res = Resource(name, "shader")
+ st = Statement("module", module)
+ for k, v in spec_values.items():
+ st.sub.append(Statement("specialize", k, v))
+ shader_res.statements.append(st)
-class MaterialMapExporter:
- def __init__(self):
- self.single_file = True
+ return shader_res
- def export_technique_resources(self, material_map, resources):
- from .datafile import Resource, Statement, Token
- diffuse_name = material_map.name+"_diffuse.tex2d"
- if diffuse_name not in resources:
- diffuse_res = Resource(diffuse_name)
- fmt = 'SRGB_ALPHA' if material_map.srgb_colors else 'RGBA'
+class MaterialAtlasExporter:
+ def __init__(self):
+ pass
- diffuse_res.statements.append(Statement("min_filter", Token('NEAREST')))
- diffuse_res.statements.append(Statement("mag_filter", Token('NEAREST')))
- diffuse_res.statements.append(Statement("storage", Token(fmt), *material_map.size))
- diffuse_res.statements.append(Statement("raw_data", material_map.diffuse_data))
+ def export_technique_resources(self, material_atlas, resources):
+ from .datafile import Resource, Statement, Token
+ base_color_name = material_atlas.name+"_base_color.tex"
+ base_color_res = resources.get(base_color_name)
+ if not base_color_res:
+ base_color_res = Resource(base_color_name, "texture")
- resources[diffuse_name] = diffuse_res
+ base_color_res.statements.append(Statement("type", Token("\\2d")))
+ base_color_res.statements.append(Statement("storage", Token('SRGB_ALPHA'), *material_atlas.size))
+ base_color_res.statements.append(Statement("raw_data", material_atlas.base_color_data))
- if "basic_white.mat" not in resources:
- mat_res = Resource("basic_white.mat")
- mat_res.statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
+ resources[base_color_name] = base_color_res
- resources["basic_white.mat"] = mat_res
+ sampler_name = "nearest.samp"
+ sampler_res = resources.get(sampler_name)
+ if not sampler_res:
+ sampler_res = Resource(sampler_name, "sampler")
- def export_technique(self, material_map, *, resources=None):
- from .datafile import Resource, Statement
- tech_res = Resource(material_map.name+".tech")
+ sampler_res.statements.append(Statement("filter", Token('NEAREST')))
- mat_res = resources["basic_white.mat"]
- diffuse_res = resources[material_map.name+"_diffuse.tex2d"]
+ resources[sampler_name] = sampler_res
- if material_map.technique:
- if self.single_file:
- raise Exception("Can't export inherited technique to a single file")
+ mat_name = material_atlas.name+".mat"
+ if mat_name not in resources:
+ mat_res = Resource(mat_name, "material")
+ mat_res.statements.append(Statement("type", Token('pbr')))
+ mat_res.statements.append(mat_res.create_reference_statement("base_color_map", base_color_res))
+ mat_res.statements.append(mat_res.create_reference_statement("sampler", sampler_res))
- st = Statement("inherit", material_map.technique)
- st.sub.append(tech_res.create_reference_statement("texture", "diffuse_map", diffuse_res))
- st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
- tech_res.statements.append(st)
- else:
- st = Statement("pass", "")
- if self.single_file:
- st.sub.append(tech_res.create_embed_statement("material", mat_res))
- else:
- st.sub.append(tech_res.create_reference_statement("material", mat_res))
- ss = Statement("texunit", 0)
- if self.single_file:
- ss.sub.append(tech_res.create_embed_statement("texture2d", diffuse_res))
- else:
- ss.sub.append(tech_res.create_reference_statement("texture", diffuse_res))
- st.sub.append(ss)
- tech_res.statements.append(st)
+ resources[mat_name] = mat_res
- return tech_res
+ def export_technique(self, material_atlas, resources):
+ return create_technique_resource(material_atlas, resources)
projects / libs / gl.git / blobdiff