-def linear_to_srgb(l):
- if l<0.0031308:
- return 12.92*l
- else:
- return 1.055*(l**(1/2.4))-0.055
-
+import os
class ObjectExporter:
- def __init__(self):
- self.material_tex = False
- self.srgb_colors = True
- self.textures = "REF"
+ def collect_object_lods(self, obj):
+ lods = [obj]
+ lods += sorted([c for c in obj.children if c.lod_for_parent], key=(lambda l: l.lod_index))
+ for i, l in enumerate(lods):
+ if i>0 and l.lod_index!=i:
+ raise Exception("Invalid configuration on object {}: Inconsistent LOD indices".format(obj.name))
+
+ return lods
- def export(self, context, out_file):
- from .outfile import open_output
- out_file = open_output(out_file)
+ def export_object_resources(self, ctx, obj, resources):
+ lods = self.collect_object_lods(obj)
from .export_mesh import MeshExporter
+ from .export_material import MaterialExporter
+ from .mesh import create_mesh_from_object
+ from .material import Material
mesh_export = MeshExporter()
- for k, v in self.__dict__.items():
- setattr(mesh_export, k, v)
-
- out_file.begin("mesh")
- mesh = mesh_export.export(context, out_file)
- out_file.end()
-
- out_file.begin("technique")
- out_file.begin("pass", '""')
- if mesh.materials:
- if self.srgb_colors:
- cm = linear_to_srgb
- else:
- cm = lambda x: x
-
- if self.material_tex:
- out_file.begin("material")
- out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
- out_file.end()
- index = 0
- for u in mesh.uv_layers:
- if u.name=="material_tex":
- index = u.unit
- out_file.begin("texunit", index)
- out_file.begin("texture2d")
- out_file.write("min_filter", "NEAREST")
- out_file.write("mag_filter", "NEAREST")
- out_file.write("storage", "RGB", len(mesh.materials), 1)
- texdata = '"'
- for m in mesh.materials:
- color = [int(cm(c)*255) for c in m.diffuse_color]
- texdata += "\\x%02X\\x%02X\\x%02X"%tuple(color)
- texdata += '"'
- out_file.write("raw_data", texdata)
- out_file.end()
- out_file.end()
+ material_export = MaterialExporter()
+
+ ctx.set_slices(len(lods))
+ for l in lods:
+ lod_index = l.lod_index if l.lod_for_parent else 0
+ task = ctx.next_slice("LOD {}".format(lod_index))
+
+ if l.material_slots and l.material_slots[0].material:
+ material = l.material_slots[0].material
+ subtask = task.task(material, 0.1)
+ if material.render_mode!='EXTERNAL':
+ tech_name = material.name+".tech"
+ if tech_name not in resources:
+ material = Material(material)
+ material_export.export_technique_resources(subtask, material, resources)
+ resources[tech_name] = material_export.export_technique(material, resources)
+ elif "stub.tech" not in resources:
+ resources["stub.tech"] = self.export_stub_technique()
+
+ mesh_name = l.data.name+".mesh"
+ if mesh_name not in resources:
+ subtask = task.task(l.data, 1.0)
+ mesh = create_mesh_from_object(subtask, l)
+ mesh_res = mesh_export.export_mesh(subtask, mesh)
+ resources[mesh_name] = mesh_res
+
+ def export_object(self, obj, resources):
+ if obj.type!='MESH':
+ raise ValueError("Object {} is not a mesh".format(obj.name))
+
+ lods = self.collect_object_lods(obj)
+
+ from .datafile import Resource, Statement
+ obj_res = Resource(obj.name+".object", "object")
+ statements = obj_res.statements
+
+ from .util import compute_bounding_sphere
+ center, radius = compute_bounding_sphere([v.co for v in obj.data.vertices])
+ statements.append(Statement("bounding_sphere_hint", *center, radius))
+
+ prev_mesh = None
+ prev_tech = None
+ for i, l in enumerate(lods):
+ lod_st = []
+
+ if l.data.name!=prev_mesh:
+ mesh_res = resources[l.data.name+".mesh"]
+ lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
+
+ prev_mesh = l.data.name
+
+ material = None
+ if l.material_slots:
+ material = l.material_slots[0].material
+ if material:
+ if material.render_mode=='EXTERNAL':
+ tech_name = material.technique
+ else:
+ tech_name = material.name+".tech"
else:
- mat = mesh.materials[0]
- out_file.begin("material")
- if any((s and s.use_map_color_diffuse) for s in mat.texture_slots):
- out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
- amb = cm(mat.ambient)
- out_file.write("ambient", amb, amb, amb, 1.0)
+ tech_name = "stub.tech"
+
+ if tech_name!=prev_tech:
+ if material and material.render_mode=='EXTERNAL':
+ lod_st.append(Statement("technique", material.technique))
else:
- diff = mat.diffuse_color
- out_file.write("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0)
- amb = diff*mat.ambient
- out_file.write("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0)
- spec = mat.specular_color*mat.specular_intensity
- out_file.write("specular", spec.r, spec.g, spec.b, 1.0)
- out_file.write("shininess", mat.specular_hardness);
- out_file.end()
-
- if self.textures!="NONE":
- for slot in mesh.materials[0].texture_slots:
- if not slot:
- continue
-
- tex = slot.texture
- if tex.type!="IMAGE":
- continue
-
- if slot.uv_layer:
- for u in mesh.uv_layers:
- if u.name==slot.uv_layer:
- index = u.unit
- else:
- index = mesh.uv_layers[0].unit
-
- out_file.begin("texunit", index)
- if self.textures=="INLINE":
- out_file.begin("texture2d")
- out_file.write("min_filter", "LINEAR")
- out_file.write("storage", "RGBA", tex.image.size[0], tex.image.size[1])
- texdata = '"'
- for p in tex.image.pixels:
- texdata += "\\x%02X"%int(p*255)
- texdata += '"'
- out_file.write("raw_data", texdata)
- out_file.end()
- else:
- out_file.write("texture", '"%s"'%tex.image.name)
- out_file.end()
-
- out_file.end()
- out_file.end()
+ lod_st.append(obj_res.create_reference_statement("technique", resources[tech_name]))
+ prev_tech = tech_name
+
+ if i>0:
+ st = Statement("level_of_detail", i)
+ st.sub = lod_st
+ statements.append(st)
+ else:
+ statements += lod_st
+
+ return obj_res
+
+ def export_stub_technique(self):
+ from .datafile import Resource, Statement, Token
+ tech_res = Resource("stub.tech", "technique")
+ pass_st = Statement("method", "")
+ tech_res.statements.append(pass_st)
+ mat_st = Statement("material")
+ pass_st.sub.append(mat_st)
+ mat_st.sub.append(Statement("type", Token("basic")))
+ return tech_res
projects / libs / gl.git / blobdiff