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 = []
if flags[i] and not flags[(i+l-1)%l]:
return self.vertices[i:]+self.vertices[:i]
- def get_edge(self, v1, v2):
+ def get_edge(self, v1, v2):
key = make_edge_key(v1.index, v2.index)
for e in self.edges:
if e.key==key:
if type(arg)==str:
self._layer = None
self.name = arg
+ self.uvs = []
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
class Mesh:
def __init__(self, mesh):
self._mesh = mesh
+ self.name = mesh.name
self.winding_test = mesh.winding_test
self.tbn_vecs = mesh.tbn_vecs
self.vertex_groups = mesh.vertex_groups
# Clone basic data
- self.vertices = [Vertex(v) for v in self.vertices]
+ self.vertices = [Vertex(v) for v in mesh.vertices]
for v in self.vertices:
v.groups = [VertexGroup(g) for g in v.groups]
- self.faces = [Face(f) for f in self.polygons]
- self.edges = [Edge(e) for e in self.edges]
- self.loops = self.loops[:]
- self.materials = self.materials[:]
+ self.faces = [Face(f) for f in mesh.polygons]
+ self.edges = [Edge(e) for e in mesh.edges]
+ self.loops = mesh.loops[:]
+ self.materials = mesh.materials[:]
# Clone only the desired UV layers
- if self.use_uv=='NONE' or not self.uv_layers:
+ if self.use_uv=='NONE' or not mesh.uv_layers:
self.uv_layers = []
else:
- self.uv_layers = [UvLayer(u) for u in self.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)))
+ self.uv_layers = [UvLayer(u) for u in mesh.uv_layers]
+
+ # 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
for g in v.groups:
g.group = group_index_map[g.group]
- def prepare_uv(self, obj, progress):
- if obj.material_tex and self.use_uv!='NONE':
- layer = UvLayer("material_tex")
+ def apply_material_map(self, material_map):
+ for m in self.materials:
+ if m not in material_map.materials:
+ raise Exception("Material map is not compatible with Mesh")
- if self.use_uv=='UNIT0':
- self.uv_layers = [layer]
- layer.unit = 0
- else:
- self.uv_layers.append(layer)
- layer.unit = max((u.unit+1 for u in self.uv_layers if u.unit is not None), default=0)
+ if self.use_uv=='NONE':
+ return
- layer.uvs = [None]*len(self.loops)
- for f in self.faces:
- uv = mathutils.Vector(((f.material_index+0.5)/len(self.materials), 0.5))
- for i in f.loop_indices:
- layer.uvs[i] = uv
+ 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']
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")
else:
mesh = me
+ 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)
progress.set_task("Vertex groups", 0.5, 0.6)
mesh.prepare_vertex_groups(obj)
progress.set_task("Preparing UVs", 0.6, 0.8)
- mesh.prepare_uv(obj, progress)
+ mesh.prepare_uv(progress)
progress.set_task("Render sequence", 0.8, 1.0)
mesh.prepare_sequence(progress)
projects / libs / gl.git / blobdiff