import bpy
import math
import mathutils
+import itertools
def make_edge_key(i1, i2):
return (min(i1, i2), max(i1, i2))
self.tan = None
self.bino = None
self.index = vertex.index
- self.co = vertex.co
- self.normal = vertex.normal
+ self.co = mathutils.Vector(vertex.co)
+ self.normal = mathutils.Vector(vertex.normal)
self.flag = False
self.edges = []
self.faces = []
else:
self._layer = arg
self.name = arg.name
- self.uvs = [d.uv for d in self.data]
+ self.uvs = [mathutils.Vector(d.uv) for d in self.data]
self.unit = None
self.hidden = False
self.uv_layers = []
else:
self.uv_layers = [UvLayer(u) for u in mesh.uv_layers]
- self.uv_layers = sorted([u for u in self.uv_layers if not u.hidden], key=(lambda u: (u.unit or 1000, u.name)))
+
+ # Assign texture unit numbers to UV layers that lack one
+ missing_unit = [u for u in self.uv_layers if u.unit is None]
+ if missing_unit:
+ missing_unit = sorted(missing_unit, key=(lambda u: u.name))
+ used_units = [u.unit for u in self.uv_layers if u.unit is not None]
+ for u, n in zip(missing_unit, (i for i in itertools.count() if i not in used_units)):
+ u.unit = n
+
+ self.uv_layers = sorted(self.uv_layers, key=(lambda u: u.unit))
if self.use_uv=='UNIT0':
self.uv_layers = [self.uv_layers[0]]
-
- # Assign texture unit numbers to UV layers that lack one
- next_unit = max((u.unit+1 for u in self.uv_layers if u.unit is not None), default=0)
- for u in self.uv_layers:
- if not u.unit:
- u.unit = next_unit
- next_unit += 1
+ if self.uv_layers[0].unit!=0:
+ self.uv_layers = []
# Rewrite links between elements to point to cloned data, or create links
# where they don't exist
def transform(self, matrix):
for v in self.vertices:
- v.co = matrix*v.co
+ v.co = matrix@v.co
def splice(self, other):
if len(self.uv_layers)!=len(other.uv_layers):
self.faces += other.faces
for f in self.faces[offset:]:
f.index += offset
- f.loop_start += loop_offset
- f.loop_indices = range(f.loop_start, f.loop_start+f.loop_total)
+ f.loop_indices = range(f.loop_indices.start+offset, f.loop_indices.stop+offset)
if other.materials:
f.material_index = material_map[f.material_index]
for g in v.groups:
g.group = group_index_map[g.group]
+ def apply_material_map(self, material_map):
+ for m in self.materials:
+ if m.name not in material_map.material_names:
+ raise Exception("Material map is not compatible with Mesh")
+
+ if self.use_uv=='NONE':
+ return
+
+ layer = UvLayer("material_map")
+ if self.use_uv=='UNIT0':
+ self.uv_layers = [layer]
+ layer.unit = 0
+ else:
+ self.uv_layers.append(layer)
+ used_units = [u.unit for u in self.uv_layers]
+ layer.unit = next(i for i in itertools.count() if i not in used_units)
+ self.uv_layers.sort(key=lambda u: u.unit)
+
+ layer.uvs = [(0.0, 0.0)]*len(self.loops)
+ for f in self.faces:
+ uv = material_map.get_material_uv(self.materials[f.material_index])
+ for i in f.loop_indices:
+ layer.uvs[i] = uv
+
def prepare_uv(self, progress):
# Form a list of UV layers referenced by materials with the array atlas
# property set
- array_uv_layers = [t.uv_layer for m in self.materials if m.array_atlas for t in m.texture_slots if t and t.texture_coords=='UV']
+ array_uv_layers = [] #[t.uv_layer for m in self.materials if m.array_atlas for t in m.texture_slots if t and t.texture_coords=='UV']
array_uv_layers = [u for u in self.uv_layers if u.name in array_uv_layers]
if array_uv_layers:
self._mesh = None
-def create_mesh_from_object(context, obj, progress):
+def create_mesh_from_object(context, obj, progress, *, material_map=None):
if obj.type!="MESH":
raise Exception("Object is not a mesh")
if c.type=="MESH" and c.compound:
objs.append((c, m*c.matrix_local))
+ dg = context.evaluated_depsgraph_get()
+
mesh = None
- bmeshes = []
for o, m in objs:
- bmesh = o.to_mesh(context.scene, True, "PREVIEW")
- bmeshes.append(bmesh)
+ eval_obj = o.evaluated_get(dg)
+ bmesh = eval_obj.to_mesh()
# Object.to_mesh does not copy custom properties
bmesh.winding_test = o.data.winding_test
me = Mesh(bmesh)
me.transform(m)
+ for i, s in enumerate(eval_obj.material_slots):
+ if s.link=='OBJECT':
+ me.materials[i] = s.material
+
if mesh:
mesh.splice(me)
else:
mesh.name = obj.data.name
+ if material_map:
+ mesh.apply_material_map(material_map)
+
progress.set_task("Triangulating", 0.2, 0.3)
mesh.prepare_triangles(progress)
progress.set_task("Smoothing", 0.3, 0.5)
# Discard the temporary Blender meshes after making sure there's no
# references to the data
mesh.drop_references()
- for m in bmeshes:
- bpy.data.meshes.remove(m)
progress.pop_task()
projects / libs / gl.git / blobdiff