+import itertools
import bpy
from .outfile import OutFile
self.material_tex = False
self.textures = "REF"
self.smoothing = "MSPGL"
+ self.export_groups = False
+ self.max_groups = 2
def stripify(self, mesh, progress = None):
for f in mesh.faces:
if self.smoothing!="BLENDER":
mesh.compute_normals()
+ if self.export_groups:
+ mesh.sort_vertex_groups(self.max_groups)
+
+ # Create a mapping from vertex group indices to bone indices
+ group_index_map = dict((i, i) for i in range(len(objs[0].vertex_groups)))
+ if objs[0].parent and objs[0].parent.type=="ARMATURE":
+ armature = objs[0].parent.data
+ bone_indices = dict((armature.bones[i].name, i) for i in range(len(armature.bones)))
+ for g in objs[0].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()
if self.object:
out_file.begin("mesh")
- fmt = "NORMAL3"
+ fmt = ["NORMAL3"]
if texunits:
for i, u in texunits:
if u.unit==0:
- fmt += "_TEXCOORD2"
+ fmt.append("TEXCOORD2")
else:
- fmt += "_TEXCOORD2%d"%u.unit
+ fmt.append("TEXCOORD2_%d"%u.unit)
if self.tbn_vecs:
- fmt += "_ATTRIB33_ATTRIB34"
- fmt += "_VERTEX3"
- out_file.begin("vertices", fmt)
+ fmt += ["TANGENT3", "BINORMAL3"]
+ if self.export_groups:
+ fmt.append("ATTRIB%d_5"%(self.max_groups*2))
+ fmt.append("VERTEX3")
+ out_file.begin("vertices", *fmt)
normal = None
uvs = [None]*len(texunits)
tan = None
bino = None
+ group = None
for v in mesh.vertices:
if v.normal!=normal:
out_file.write("normal3", *v.normal)
uvs[i] = v.uvs[i]
if self.tbn_vecs:
if v.tan!=tan:
- out_file.write("attrib3", 3, *v.tan)
+ out_file.write("tangent3", *v.tan)
tan = v.tan
if v.bino!=bino:
- out_file.write("attrib3", 4, *v.bino)
+ out_file.write("binormal3", *v.bino)
bino = v.bino
+ if self.export_groups:
+ group_attr = [(group_index_map[g.group], g.weight*v.group_weight_scale) for g in v.groups[:self.max_groups]]
+ while len(group_attr)<self.max_groups:
+ group_attr.append((0, 0.0))
+ group_attr = list(itertools.chain(*group_attr))
+ if group_attr!=group:
+ out_file.write("attrib%d"%len(group_attr), 5, *group_attr)
+ group = group_attr
out_file.write("vertex3", *v.co)
out_file.end()
for s in strips: