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114 lines
3.8 KiB
Python
114 lines
3.8 KiB
Python
import bpy
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import bmesh
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import operator
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from mathutils import Vector
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from collections import defaultdict
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from math import pi
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from . import utilities_uv
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from . import utilities_ui
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class op(bpy.types.Operator):
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bl_idname = "uv.textools_select_islands_outline"
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bl_label = "Select Island outline"
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bl_description = "Select island edge bounds"
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bl_options = {'REGISTER', 'UNDO'}
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@classmethod
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def poll(cls, context):
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if not bpy.context.active_object:
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return False
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if bpy.context.active_object.type != 'MESH':
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return False
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#Requires UV map
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if not bpy.context.object.data.uv_layers:
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return False
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# #requires UV_sync
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# if not bpy.context.scene.tool_settings.use_uv_select_sync:
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# return False
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return True
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def execute(self, context):
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select_outline(context)
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return {'FINISHED'}
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def select_outline(context):
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#Only in Edit mode
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if bpy.context.active_object.mode != 'EDIT':
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bpy.ops.object.mode_set(mode='EDIT')
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bm = bmesh.from_edit_mesh(bpy.context.active_object.data);
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uv_layers = bm.loops.layers.uv.verify();
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pre_sync = bpy.context.scene.tool_settings.use_uv_select_sync
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if bpy.context.scene.tool_settings.use_uv_select_sync:
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bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='FACE')
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bpy.ops.uv.select_linked()
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bpy.context.scene.tool_settings.use_uv_select_sync = False
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bpy.ops.uv.select_all(action='SELECT')
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else:
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current_edit = tuple(bpy.context.tool_settings.mesh_select_mode)
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bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='FACE')
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current_select = [f for f in bm.faces if f.select]
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islands = utilities_uv.getSelectionIslands()
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faces_islands = [face for island in islands for face in island]
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edges_islands = [edge for island in islands for face in island for edge in face.edges]
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bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='EDGE')
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bpy.ops.mesh.select_all(action='DESELECT')
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# Store previous edge seams
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edges_seam = [edge for edge in bm.edges if edge.seam]
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contextViewUV = utilities_ui.GetContextViewUV()
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if not contextViewUV:
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self.report({'ERROR_INVALID_INPUT'}, "This tool requires an available UV/Image view.")
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return
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# Create seams from islands
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bpy.ops.uv.seams_from_islands(contextViewUV)
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edges_seams_from_islands = [edge for edge in bm.edges if edge.seam]
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# Clear seams
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for edge in edges_seams_from_islands:
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edge.seam = False
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if pre_sync:
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# Select seams from islands edges and edge boundaries
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for edge in edges_islands:
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if edge.is_boundary or edge in edges_seams_from_islands:
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edge.select = True
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else:
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for face in current_select:
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face.select = True
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bpy.context.tool_settings.mesh_select_mode = current_edit
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bpy.ops.uv.select_all(action='DESELECT')
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edges = []
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for edge in edges_islands:
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if edge.is_boundary or edge in edges_seams_from_islands:
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edges.extend([e for e in edge.verts[0].link_loops])
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edges.extend([e for e in edge.verts[1].link_loops])
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#edges.append(edge)
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bpy.context.scene.tool_settings.uv_select_mode = 'EDGE'
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for face in faces_islands:
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for loop in face.loops:
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if loop in edges:
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loop[uv_layers].select = True
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# Restore seam selection
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for edge in edges_seam:
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edge.seam = True
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bpy.context.scene.tool_settings.use_uv_select_sync = pre_sync
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bpy.utils.register_class(op) |