import os
-import mathutils
-
-def linear_to_srgb(l):
- if l<0.0031308:
- return 12.92*l
- else:
- return 1.055*(l**(1/2.4))-0.055
-
-def get_colormap(srgb):
- if srgb:
- return linear_to_srgb
- else:
- return lambda x: x
-
-def image_name(i):
- fp = i.filepath
- if fp:
- return os.path.split(fp)[1]
- else:
- return i.name
-
class ObjectExporter:
- def __init__(self):
- self.show_progress = True
- self.use_strips = True
- self.use_degen_tris = False
- self.textures = "REF"
- self.separate_mesh = False
- self.separate_tech = False
- self.shared_resources = True
- self.export_lods = True
-
- def compute_bounding_sphere(self, obj):
- p1 = max(((v.co, v.co.length) for v in obj.data.vertices), key=lambda x:x[1])[0]
- p2 = max(((v.co, (v.co-p1).length) for v in obj.data.vertices), key=lambda x:x[1])[0]
- center = (p1+p2)/2
- radius = (p1-p2).length/2
- for v in obj.data.vertices:
- d = v.co-center
- if d.length>radius:
- center += d*(1-radius/d.length)/2
- radius = (radius+d.length)/2
+ 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 center, radius
+ return lods
- def make_external_name(self, base_name, resource_name, ext, index):
- if self.shared_resources:
- return resource_name+ext
- elif lod_index>0:
- return "{}_lod{}{}".format(base_name, lod_index, ext)
- else:
- return base_name+ext
+ def export_object_resources(self, ctx, obj, resources):
+ lods = self.collect_object_lods(obj)
- def create_mesh_exporter(self):
from .export_mesh import MeshExporter
- mesh_export = MeshExporter()
- mesh_export.use_strips = self.use_strips
- mesh_export.use_degen_tris = self.use_degen_tris
- return mesh_export
-
- def export_to_file(self, context, out_fn):
- obj = context.active_object
-
- from .util import Progress
- progress = Progress(self.show_progress and context)
-
- path, base = os.path.split(out_fn)
- base = os.path.splitext(base)[0]
-
- meshes = self.export_object_meshes(context, obj, progress, base_name=base)
- if self.separate_mesh:
- for name, st in meshes.items():
- with open(os.path.join(path, name), "w") as out_file:
- for s in st:
- s.write_to_file(out_file)
-
- if self.separate_tech:
- lods = [obj]
- if self.export_lods:
- lods += [c for c in obj.children if c.lod_for_parent]
-
- for l in lods:
- lod_index = l.lod_index if l.lod_for_parent else 0
-
- material = None
- if obj.material_slots:
- material = obj.material_slots[0].material
-
- if not l.technique:
- tech_name = self.make_external_name(base, material.name, ".tech", lod_index)
- st = self.export_object_technique(l, base_name=base)
- with open(os.path.join(path, tech_name), "w") as out_file:
- for s in st:
- s.write_to_file(out_file)
- elif material and l.override_material:
- mat_name = self.make_external_name(base, material.name, ".mat", lod_index)
- st = self.export_material(material)
- with open(os.path.join(path, mat_name), "w") as out_file:
- for s in st:
- s.write_to_file(out_file)
-
- statements = self.export_object(context, obj, progress, meshes=meshes, base_name=base)
-
- with open(out_fn, "w") as out_file:
- for s in statements:
- s.write_to_file(out_file)
-
- def export_object_meshes(self, context, obj, progress, *, base_name=None):
- if base_name is None:
- base_name = obj.name
-
- lods = [obj]
- if self.export_lods:
- lods += [c for c in obj.children if c.lod_for_parent]
-
+ from .export_material import MaterialExporter
from .mesh import create_mesh_from_object
- mesh_export = self.create_mesh_exporter()
- meshes = {}
+ from .material import Material
+ mesh_export = MeshExporter()
+ material_export = MaterialExporter()
- for i, l in enumerate(lods):
+ ctx.set_slices(len(lods))
+ for l in lods:
lod_index = l.lod_index if l.lod_for_parent else 0
- progress.push_task_slice("LOD {}".format(lod_index), i, len(lods))
-
- mesh_name = self.make_external_name(base_name, l.data.name, ".mesh", lod_index)
- if mesh_name not in meshes:
- mesh = create_mesh_from_object(context, l, progress)
- meshes[mesh_name] = mesh_export.export_mesh(context, mesh, progress)
-
- progress.pop_task()
-
- return meshes
+ task = ctx.next_slice("LOD {}".format(lod_index))
- def export_object(self, context, obj, progress, *, meshes=None, base_name=None):
- if base_name is None:
- base_name = obj.name
-
- if meshes is None:
- meshes = self.export_object_meshes(context, obj, progress, base_name=base_name)
-
- lods = [obj]
- for c in obj.children:
- if c.lod_for_parent:
- if c.lod_index>=len(lods):
- lods += [None]*(c.lod_index+1-len(lods))
- lods[c.lod_index] = c
-
- from .datafile import Statement
- statements = []
-
- center, radius = self.compute_bounding_sphere(obj)
+ 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, None)
+ prev_tech = None
for i, l in enumerate(lods):
lod_st = []
if l.data.name!=prev_mesh:
- mesh_name = self.make_external_name(base_name, l.data.name, ".mesh", i)
- if self.separate_mesh:
- lod_st.append(Statement("mesh", mesh_name))
- else:
- st = Statement("mesh")
- st.sub = meshes[mesh_name]
- lod_st.append(st)
+ mesh_res = resources[l.data.name+".mesh"]
+ lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
prev_mesh = l.data.name
- mat_name = None
- if l.material_slots and l.material_slots[0].material:
- mat_name = l.material_slots[0].material.name
-
- tech = (l.technique, mat_name)
- if tech!=prev_tech:
- tech_name = self.make_external_name(base_name, mat_name or l.name, ".tech", i)
- if l.technique:
- if l.inherit_tech:
- st = Statement("technique")
- st.sub = self.export_object_technique(l, base_name=base_name)
- lod_st.append(st)
- else:
- lod_st.append(Statement("technique", l.technique))
- elif self.separate_tech:
- lod_st.append(Statement("technique", tech_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:
- st = Statement("technique")
- st.sub = self.export_object_technique(l, base_name=base_name)
- lod_st.append(st)
+ tech_name = material.name+".tech"
+ else:
+ tech_name = "stub.tech"
- prev_tech = tech
+ if tech_name!=prev_tech:
+ if material and material.render_mode=='EXTERNAL':
+ lod_st.append(Statement("technique", material.technique))
+ else:
+ 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)
else:
statements += lod_st
- progress.set_progress(1.0)
-
- return statements
-
- def export_object_technique(self, obj, *, base_name=None):
- if base_name is None:
- base_name = obj.name
-
- material = None
- if obj.material_slots:
- material = obj.material_slots[0].material
-
- from .datafile import Statement, Token
- statements = []
-
- if obj.technique:
- if not obj.inherit_tech:
- return []
-
- st = Statement("inherit", obj.technique)
- if material:
- for slot in material.texture_slots:
- if slot and slot.texture.type=="IMAGE":
- name = image_name(slot.texture.image)
- if slot.use_map_color_diffuse:
- st.sub.append(Statement("texture", "diffuse_map", name))
- elif slot.use_map_normal:
- st.sub.append(Statement("texture", "normal_map", name))
- if obj.override_material:
- mat_name = self.make_external_name(base_name, material.name, ".mat", obj.lod_index)
- st.sub.append(Statement("material", "surface", mat_name))
- statements.append(st)
-
- return statements
-
- pass_st = Statement("pass", "")
- if material:
- st = Statement("material")
- st.sub = self.export_material(material)
- pass_st.sub.append(st)
-
- if self.textures!="NONE":
- diffuse_tex = None
- for slot in material.texture_slots:
- if slot and slot.texture.type=="IMAGE" and slot.use_map_color_diffuse:
- diffuse_tex = slot.texture
- break
-
- if diffuse_tex:
- st = Statement("texunit", 0)
- if self.textures=="INLINE":
- ss = Statement("texture2d")
- ss.sub.append(Statement("min_filter", Token("LINEAR")))
- ss.sub.append(Statement("storage", Token("RGBA"), tex.image.size[0], tex.image.size[1]))
- texdata = ""
- for p in tex.image.pixels:
- texdata += "\\x%02X"%int(p*255)
- ss.sub.append(Statement("raw_data", texdata))
- st.sub.append(ss)
- elif tex.image:
- st.sub.append(Statement("texture", image_name(tex.image)))
- pass_st.sub.append(st)
- statements.append(pass_st)
-
- return statements
-
- def export_material(self, material):
- from .datafile import Statement
- 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))
-
- return statements
+ 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