import os
-def create_technique_resource(material, resources, single_file):
- from .datafile import Resource, Statement
+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"]
- st = Statement("pass", "")
- if 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))
+ 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':
- st.sub.append(Statement("shader", material.shader))
+ 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))
+
+ if m.tag=="blended" and blend_st:
+ st.sub.append(blend_st)
+
+ shader = m.shader
+ if shader.endswith(".glsl"):
+ shader += ".shader"
+ st.sub.append(Statement("shader", shader))
+
+ 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)
+
+ tech_res.statements.append(st)
+ 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))
- tech_res.statements.append(st)
+ 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))
- return tech_res
+ tech_res.statements.append(st)
-class MaterialExporter:
- def __init__(self):
- self.single_file = True
- self.use_textures = True
+ if material.cast_shadows:
+ st = Statement("method", "shadow")
+ st.sub.append(Statement("shader", "occluder.glsl.shader"))
+ tech_res.statements.append(st)
- def create_texture_exporter(self):
- from .export_texture import TextureExporter
- texture_export = TextureExporter()
- texture_export.inline_data = self.single_file
- return texture_export
+ st = Statement("method", "shadow_thsm")
+ st.sub.append(Statement("shader", "occluder_thsm.glsl.shader"))
+ tech_res.statements.append(st)
+
+ return tech_res
+class MaterialExporter:
def export_technique_resources(self, material, resources):
- texture_export = self.create_texture_exporter()
+ from .export_texture import SamplerExporter, TextureExporter
+ texture_export = TextureExporter()
+ sampler_export = SamplerExporter()
from .material import Material
- material = Material(material)
+ if type(material)!=Material:
+ material = Material(material)
- if self.use_textures:
- for p in material.properties:
- if p.texture:
- tex_name = p.texture.image.name+".tex2d"
- if tex_name not in resources:
- resources[tex_name] = texture_export.export_texture(p.texture, p.tex_usage)
+ for p in material.properties:
+ if p.texture:
+ tex_name = p.texture.image.name+".tex2d"
+ if tex_name not in resources:
+ resources[tex_name] = texture_export.export_texture(p.texture, p.tex_usage, invert_green=p.invert_green)
+
+ samp_name = sampler_export.get_sampler_name(p.texture)
+ if samp_name not in resources:
+ resources[samp_name] = sampler_export.export_sampler(p.texture)
mat_name = material.name+".mat"
if mat_name not in resources:
- resources[mat_name] = self.export_material(material, resources=resources)
+ if material.type:
+ resources[mat_name] = self.export_material(material, resources)
+ else:
+ resources[mat_name] = None
- def export_technique(self, material, *, resources):
- return create_technique_resource(material, resources, self.single_file)
+ def export_technique(self, material, resources):
+ from .material import Material
+ if type(material)!=Material:
+ material = Material(material)
- def export_material(self, material, *, resources):
- from .datafile import Resource, Statement
+ 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")
- st = Statement("pbr")
- st.sub.append(self.create_property_statement(mat_res, material.base_color, "base_color", resources))
- st.sub.append(self.create_property_statement(mat_res, material.metalness, "metalness", resources))
- st.sub.append(self.create_property_statement(mat_res, material.roughness, "roughness", resources))
- st.sub.append(self.create_property_statement(mat_res, material.normal, "normal", resources, tex_only=True))
- st.sub.append(self.create_property_statement(mat_res, material.emission, "emission", resources))
- mat_res.statements.append(st)
+ 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])]))
return mat_res
- def create_property_statement(self, mat_res, prop, keyword, resources, *, tex_only=False):
+ def create_property_statement(self, mat_res, prop, resources):
from .datafile import Statement
- if self.use_textures and prop.texture:
+ if prop.texture:
tex_res = resources[prop.texture.image.name+".tex2d"]
- fn = os.path.basename(prop.texture.image.filepath)
- if self.single_file:
- raise Exception("Can't export textures to a single file")
- elif prop.texture.default_filter and fn:
- return Statement(keyword+"_map", fn)
- else:
- return mat_res.create_reference_statement(keyword+"_map", tex_res)
+ from .util import basename
+ return mat_res.create_reference_statement(prop.tex_keyword, tex_res)
+ elif not prop.keyword:
+ return
elif type(prop.value)==tuple:
- return Statement(keyword, *prop.value)
+ return Statement(prop.keyword, *prop.value)
else:
- return Statement(keyword, prop.value)
+ return Statement(prop.keyword, prop.value)
-class MaterialMapExporter:
+class MaterialAtlasExporter:
def __init__(self):
- self.single_file = True
+ pass
- def export_technique_resources(self, material_map, resources):
+ def export_technique_resources(self, material_atlas, resources):
from .datafile import Resource, Statement, Token
- base_color_name = material_map.name+"_base_color.tex2d"
- if base_color_name not in resources:
+ base_color_name = material_atlas.name+"_base_color.tex2d"
+ base_color_res = resources.get(base_color_name)
+ if not base_color_res:
base_color_res = Resource(base_color_name, "texture2d")
- base_color_res.statements.append(Statement("min_filter", Token('NEAREST')))
- base_color_res.statements.append(Statement("mag_filter", Token('NEAREST')))
- base_color_res.statements.append(Statement("storage", Token('SRGB_ALPHA'), *material_map.size))
- base_color_res.statements.append(Statement("raw_data", material_map.base_color_data))
+ 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))
resources[base_color_name] = base_color_res
- mat_name = material_map.name+".mat"
+ sampler_name = "nearest.samp"
+ sampler_res = resources.get(sampler_name)
+ if not sampler_res:
+ sampler_res = Resource(sampler_name, "sampler")
+
+ sampler_res.statements.append(Statement("filter", Token('NEAREST')))
+
+ resources[sampler_name] = sampler_res
+
+ mat_name = material_atlas.name+".mat"
if mat_name not in resources:
mat_res = Resource(mat_name, "material")
- st = Statement("pbr")
- st.sub.append(mat_res.create_reference_statement("base_color_map", base_color_res))
- mat_res.statements.append(st)
+ 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))
resources[mat_name] = mat_res
- def export_technique(self, material_map, *, resources):
- return create_technique_resource(material_map, resources, self.single_file)
+ def export_technique(self, material_atlas, resources):
+ return create_technique_resource(material_atlas, resources)