if obj is None:
obj = context.active_object
- objs = [(obj, mathutils.Matrix())]
- check = objs
- while check:
- children = []
- for o, m in check:
- for c in o.children:
- if c.compound:
- children.append((c, m*c.matrix_local))
- objs += children
- check = children
-
- if not objs:
- raise Exception("Nothing to export")
- for o, m in objs:
- if o.type!="MESH":
- raise Exception("Can only export Mesh data")
-
- from .mesh import Mesh
+ from .mesh import create_mesh_from_object
from .util import Progress
if self.show_progress:
else:
progress = None
- mesh = None
- bmeshes = []
- winding_test = False
- for o, m in objs:
- if o.data.winding_test:
- winding_test = True
- if o.material_tex:
- self.material_tex = True
- bmesh = o.to_mesh(context.scene, True, "PREVIEW")
- bmeshes.append(bmesh)
- me = Mesh(bmesh)
- me.transform(m)
- if not mesh:
- mesh = me
- else:
- mesh.splice(me)
-
- if progress:
- progress.set_task("Smoothing", 0.05, 0.35)
- if mesh.smoothing=="NONE":
- mesh.flatten_faces()
- mesh.split_smooth(progress)
-
- if mesh.smoothing!="BLENDER":
- mesh.compute_normals()
-
- if mesh.vertex_groups:
- mesh.sort_vertex_groups(mesh.max_groups_per_vertex)
-
- # Create a mapping from vertex group indices to bone indices
- first_obj = objs[0][0]
- group_index_map = dict((i, i) for i in range(len(first_obj.vertex_groups)))
- if first_obj.parent and first_obj.parent.type=="ARMATURE":
- armature = first_obj.parent.data
- bone_indices = dict((armature.bones[i].name, i) for i in range(len(armature.bones)))
- for g in first_obj.vertex_groups:
- if g.name in bone_indices:
- group_index_map[g.index] = bone_indices[g.name]
-
- if self.material_tex and mesh.materials:
- mesh.generate_material_uv()
-
- texunits = []
- force_unit0 = False
- if mesh.uv_layers and (mesh.use_uv!="NONE" or self.material_tex):
- # Figure out which UV layers to export
- if mesh.use_uv=="ALL":
- texunits = range(len(mesh.uv_layers))
- elif self.material_tex:
- # The material UV layer is always the last one
- texunits = [len(mesh.uv_layers)-1]
- force_unit0 = True
- else:
- for i, u in enumerate(mesh.uv_layers):
- if u.unit==0:
- texunits = [i]
- break
- texunits = [(i, mesh.uv_layers[i]) for i in texunits]
- texunits = [u for u in texunits if not u[1].hidden]
-
- if mesh.tbn_vecs:
- # TBN coordinates must be generated before vertices are split by any other layer
- uv_names = [u.name for i, u in texunits]
- if mesh.tbn_uvtex in uv_names:
- tbn_index = uv_names.index(mesh.tbn_uvtex)
- unit = texunits[tbn_index]
- del texunits[tbn_index]
- texunits.insert(0, unit)
-
- for i, u in texunits:
- if progress:
- progress.set_task("Splitting UVs", 0.35+0.3*i/len(texunits), 0.35+0.3*(i+1)/len(texunits))
- mesh.split_uv(i, progress)
- if mesh.tbn_vecs and u.name==mesh.tbn_uvtex:
- mesh.compute_uv()
- mesh.compute_tbn(i)
-
- mesh.compute_uv()
+ mesh = create_mesh_from_object(context, obj, progress)
strips = []
loose = mesh.faces
out_file = open_output(out_file)
fmt = ["NORMAL3"]
- if texunits:
- for i, u in texunits:
- size = str(len(mesh.vertices[0].uvs[i]))
- if u.unit==0 or force_unit0:
+ if mesh.uv_layers:
+ for u in mesh.uv_layers:
+ size = str(len(u.uvs[0]))
+ if u.unit==0:
fmt.append("TEXCOORD"+size)
else:
fmt.append("TEXCOORD%s_%d"%(size, u.unit))
if v.normal!=normal:
out_file.write("normal3", *v.normal)
normal = v.normal
- for i, u in texunits:
+ for i, u in enumerate(mesh.uv_layers):
if v.uvs[i]!=uvs.get(i):
size = str(len(v.uvs[i]))
- if u.unit==0 or force_unit0:
+ if u.unit==0:
out_file.write("texcoord"+size, *v.uvs[i])
else:
out_file.write("multitexcoord"+size, u.unit, *v.uvs[i])
out_file.write("indices", f.vertices[0].index, f.vertices[i-1].index, f.vertices[i].index)
out_file.end()
- if mesh.use_lines and mesh.lines:
+ if mesh.lines:
out_file.begin("batch", "LINES")
for l in mesh.lines:
out_file.write("indices", l.vertices[0].index, l.vertices[1].index)
out_file.end()
- if winding_test:
+ if mesh.winding_test:
out_file.write("winding", "COUNTERCLOCKWISE")
if progress:
progress.set_task("Done", 1.0, 1.0)
- for m in bmeshes:
- bpy.data.meshes.remove(m)
-
return mesh
projects / libs / gl.git / blobdiff