+def create_shadow_method(tech_res, material, resources, detail):
+ from .datafile import Statement, Token
+
+ 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")
+
+ from .export_texture import TextureExporter
+ from .export_texture import SamplerExporter
+ texture_export = TextureExporter()
+ 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")
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")))
+
tech_res.statements.append(st)
else:
base_method = "blended" if material.blend_type!='NONE' else ""
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:
- st = Statement("method", "shadow")
- st.sub.append(Statement("shader", "occluder.glsl.shader"))
- tech_res.statements.append(st)
-
- st = Statement("method", "shadow_thsm")
- st.sub.append(Statement("shader", "occluder_thsm.glsl.shader"))
- tech_res.statements.append(st)
+ 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
for p in textured_props:
ctx.next_slice(p.texture.image)
- tex_name = p.texture.image.name+".tex"
+ 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)
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:
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))
return mat_res
def create_property_statement(self, mat_res, prop, resources):
from .datafile import Statement
if prop.texture:
- tex_res = resources[prop.texture.image.name+".tex"]
+ 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
else:
return Statement(prop.keyword, prop.value)
+ def export_shader(self, name, module, spec_values, resources):
+ from .datafile import Resource, Statement
+ shader_res = Resource(name, "shader")
-class MaterialAtlasExporter:
- def __init__(self):
- pass
-
- 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")
-
- 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))
-
- resources[base_color_name] = base_color_res
-
- 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")
- 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
+ st = Statement("module", module)
+ for k, v in spec_values.items():
+ st.sub.append(Statement("specialize", k, v))
+ shader_res.statements.append(st)
- def export_technique(self, material_atlas, resources):
- return create_technique_resource(material_atlas, resources)
+ return shader_res