BallanceBlenderHelper/ballance_blender_plugin/rail_uv.py
yyc12345 08eb6dcff9 [add] add ui and fix naming problem
- renaming all classes
- add conflict option for importing bm. no real code
- add shift + a menu, still no real code
2020-09-02 23:04:21 +08:00

56 lines
1.7 KiB
Python

import bpy,bmesh
from . import utils
class BALLANCE_OT_rail_uv(bpy.types.Operator):
"""Create a UV for rail"""
bl_idname = "ballance.rail_uv"
bl_label = "Create Rail UV"
bl_options = {'UNDO'}
@classmethod
def poll(self, context):
return check_rail_target()
def execute(self, context):
create_rail_uv()
return {'FINISHED'}
# ====================== method
def check_rail_target():
for obj in bpy.context.selected_objects:
if obj.type != 'MESH':
continue
if obj.mode != 'OBJECT':
continue
return True
return False
def create_rail_uv():
meshList = []
ignoredObj = []
for obj in bpy.context.selected_objects:
if obj.type != 'MESH':
ignoredObj.append(obj.name)
continue
if obj.mode != 'OBJECT':
ignoredObj.append(obj.name)
continue
if obj.data.uv_layers.active is None:
# create a empty uv for it.
obj.data.uv_layers.new(do_init=False)
meshList.append(obj.data)
for mesh in meshList:
# vecList = mesh.vertices[:]
uv_layer = mesh.uv_layers.active.data
for poly in mesh.polygons:
for loop_index in range(poly.loop_start, poly.loop_start + poly.loop_total):
# index = mesh.loops[loop_index].vertex_index
uv_layer[loop_index].uv[0] = 0 # vecList[index].co[0]
uv_layer[loop_index].uv[1] = 1 # vecList[index].co[1]
if len(ignoredObj) != 0:
utils.ShowMessageBox("Following objects are not processed due to they are not suit for this function now: " + ', '.join(ignoredObj), "Execution result", 'INFO')