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Export non-triangular faces as triangle clusters.

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It turns out this behavior is preferable (by at least one artist, anyway).
This commit is contained in:
Bill Currie 2012-08-07 10:49:32 +09:00
parent a4da11cdb5
commit 634b3b043d
2 changed files with 21 additions and 18 deletions
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2
tools/io_mesh_qfmdl/TODO
View file

@ -1,4 +1,4 @@
o auto-convert quads/ngons to tris X auto-convert quads/ngons to tris
o combine multiple selected meshes into one mdl o combine multiple selected meshes into one mdl
? active object determines origin? ? active object determines origin?
? non-active objects' meshes rotated relative to active? all objects ? non-active objects' meshes rotated relative to active? all objects

33
tools/io_mesh_qfmdl/export_mdl.py
View file

@ -109,22 +109,25 @@ def build_tris(mesh):
stverts = [] stverts = []
tris = [] tris = []
vertmap = [] # map mdl vert num to blender vert num (for 3d verts) vertmap = [] # map mdl vert num to blender vert num (for 3d verts)
uvdict = {} vuvdict = {}
for face in mesh.polygons: for face in mesh.polygons:
fv = list(face.vertices) fv = list(face.vertices)
uv = uvfaces[face.loop_start:face.loop_start + face.loop_total] uv = uvfaces[face.loop_start:face.loop_start + face.loop_total]
uv = list(map(lambda a: a.uv, uv)) uv = list(map(lambda a: a.uv, uv))
# blender's and quake's vertex order seem to be opposed face_tris = []
fv.reverse() for i in range (1, len(fv) - 1):
uv.reverse() # blender's and quake's vertex order are opposed
face_tris.append([(fv[0], tuple(uv[0])),
(fv[i + 1], tuple(uv[i + 1])),
(fv[i], tuple(uv[i]))])
for ft in face_tris:
tv = [] tv = []
for v, u in map(lambda a,b: (a,b), fv, uv): for vuv in ft:
k = v, tuple(u) if vuv not in vuvdict:
if k not in uvdict: vuvdict[vuv] = len(stverts)
uvdict[k] = len(stverts) vertmap.append(vuv[0])
vertmap.append(v) stverts.append(vuv[1])
stverts.append(u) tv.append(vuvdict[vuv])
tv.append(uvdict[k])
tris.append(MDL.Tri(tv)) tris.append(MDL.Tri(tv))
return tris, stverts, vertmap return tris, stverts, vertmap
@ -264,10 +267,10 @@ def process_frame(mdl, scene, frame, vertmap, ingroup = False,
def export_mdl(operator, context, filepath): def export_mdl(operator, context, filepath):
obj = context.active_object obj = context.active_object
mesh = obj.to_mesh (context.scene, True, 'PREVIEW') #wysiwyg? mesh = obj.to_mesh (context.scene, True, 'PREVIEW') #wysiwyg?
if not check_faces (mesh): #if not check_faces (mesh):
operator.report({'ERROR'}, # operator.report({'ERROR'},
"Mesh has faces with more than 3 vertices.") # "Mesh has faces with more than 3 vertices.")
return {'CANCELLED'} # return {'CANCELLED'}
mdl = MDL(obj.name) mdl = MDL(obj.name)
mdl.obj = obj mdl.obj = obj
if not get_properties(operator, mdl, obj): if not get_properties(operator, mdl, obj):