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uv_squares.py
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uv_squares.py
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# <Uv Squares, Blender addon for reshaping UV vertices to grid.>
# Copyright (C) <2019> <Reslav Hollos>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
bl_info = {
"name": "UV Squares",
"description": "UV Editor tool for reshaping selection to grid.",
"author": "Reslav Hollos",
"version": (1, 12, 1),
"blender": (2, 80, 0),
"location": "UV Editor > N Panel > UV Squares",
"category": "UV",
"wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/UV/Uv_Squares"
}
import bpy
import bmesh
from collections import defaultdict
from math import radians, hypot
from timeit import default_timer as timer
precision = 3
#todo: make joining radius scale with editor zoom rate or average unit length
#todo: align to axis by respect to vert distance
#todo: snap 2dCursor to closest selected vert (when more vertices are selected
#todo: rip different vertex on each press
def main(context, operator, square = False, snapToClosest = False):
if context.scene.tool_settings.use_uv_select_sync:
operator.report({'ERROR'}, "Please disable 'Keep UV and edit mesh in sync'")
# context.scene.tool_settings.use_uv_select_sync = False
return
for obj in context.selected_objects:
if (obj.type == "MESH"):
main1(obj, context, operator, square, snapToClosest)
def main1(obj, context, operator, square, snapToClosest):
if context.scene.tool_settings.use_uv_select_sync:
operator.report({'ERROR'}, "Please disable 'Keep UV and edit mesh in sync'")
# context.scene.tool_settings.use_uv_select_sync = False
return
startTime = timer()
me = obj.data
bm = bmesh.from_edit_mesh(me)
uv_layer = bm.loops.layers.uv.verify()
# bm.faces.layers.tex.verify() # currently blender needs both layers.
edgeVerts, filteredVerts, selFaces, nonQuadFaces, vertsDict, noEdge = ListsOfVerts(uv_layer, bm)
if len(filteredVerts) is 0: return
if len(filteredVerts) is 1:
SnapCursorToClosestSelected(filteredVerts)
return
cursorClosestTo = CursorClosestTo(filteredVerts)
#line is selected
if len(selFaces) is 0:
if snapToClosest is True:
SnapCursorToClosestSelected(filteredVerts)
return
VertsDictForLine(uv_layer, bm, filteredVerts, vertsDict)
if AreVectsLinedOnAxis(filteredVerts) is False:
ScaleTo0OnAxisAndCursor(filteredVerts, vertsDict, cursorClosestTo)
return SuccessFinished(me, startTime)
MakeEqualDistanceBetweenVertsInLine(filteredVerts, vertsDict, cursorClosestTo)
return SuccessFinished(me, startTime)
# deselect non quads
for nf in nonQuadFaces:
for l in nf.loops:
luv = l[uv_layer]
luv.select = False
def isFaceSelected(f):
return f.select and all(l[uv_layer].select for l in f.loops)
def getIslandFromFace(startFace):
island = set()
toCheck = set([startFace])
while (len(toCheck)):
face = toCheck.pop()
if isFaceSelected(face) and face not in island:
island.add(face)
adjacentFaces = []
for e in face.edges:
if e.seam is False:
for f in e.link_faces:
if f is not face:
adjacentFaces.append(f)
toCheck.update(adjacentFaces)
return island
def getIslandsFromSelectedFaces(selectedFaces):
islands = []
toCheck = set(selectedFaces)
while(len(toCheck)):
face = toCheck.pop()
island = getIslandFromFace(face)
islands.append(island)
toCheck.difference_update(island)
return islands
islands = getIslandsFromSelectedFaces(selFaces)
def main2 (targetFace, faces):
ShapeFace(uv_layer, operator, targetFace, vertsDict, square)
if square: FollowActiveUV(operator, me, targetFace, faces, 'EVEN')
else: FollowActiveUV(operator, me, targetFace, faces)
for island in islands:
targetFace = bm.faces.active
if (targetFace is None or
targetFace not in island or
len(islands) > 1 or
targetFace.select is False or
len(targetFace.verts) is not 4):
targetFace = next(iter(island))
main2(targetFace, island)
if noEdge is False:
#edge has ripped so we connect it back
for ev in edgeVerts:
key = (round(ev.uv.x, precision), round(ev.uv.y, precision))
if key in vertsDict:
ev.uv = vertsDict[key][0].uv
ev.select = True
return SuccessFinished(me, startTime)
'''def ScaleSelection(factor, pivot = 'CURSOR'):
last_pivot = bpy.context.space_data.pivot_point
bpy.context.space_data.pivot_point = pivot
bpy.ops.transform.resize(value=(factor, factor, factor), constraint_axis=(False, False, False), mirror=False, proportional_edit_falloff='SMOOTH', proportional_size=1)
bpy.context.space_data.pivot_point = last_pivot
return'''
def ShapeFace(uv_layer, operator, targetFace, vertsDict, square):
corners = []
for l in targetFace.loops:
luv = l[uv_layer]
corners.append(luv)
if len(corners) is not 4:
#operator.report({'ERROR'}, "bla")
return
lucv, ldcv, rucv, rdcv = Corners(corners)
cct = CursorClosestTo([lucv, ldcv, rdcv, rucv])
MakeUvFaceEqualRectangle(vertsDict, lucv, rucv, rdcv, ldcv, cct, square)
return
def MakeUvFaceEqualRectangle(vertsDict, lucv, rucv, rdcv, ldcv, startv, square = False):
sizeX, sizeY = ImageSize()
ratio = sizeX/sizeY
if startv is None: startv = lucv.uv
elif AreVertsQuasiEqual(startv, rucv): startv = rucv.uv
elif AreVertsQuasiEqual(startv, rdcv): startv = rdcv.uv
elif AreVertsQuasiEqual(startv, ldcv): startv = ldcv.uv
else: startv = lucv.uv
lucv = lucv.uv
rucv = rucv.uv
rdcv = rdcv.uv
ldcv = ldcv.uv
if (startv == lucv):
finalScaleX = hypotVert(lucv, rucv)
finalScaleY = hypotVert(lucv, ldcv)
currRowX = lucv.x
currRowY = lucv.y
elif (startv == rucv):
finalScaleX = hypotVert(rucv, lucv)
finalScaleY = hypotVert(rucv, rdcv)
currRowX = rucv.x - finalScaleX
currRowY = rucv.y
elif (startv == rdcv):
finalScaleX = hypotVert(rdcv, ldcv)
finalScaleY = hypotVert(rdcv, rucv)
currRowX = rdcv.x - finalScaleX
currRowY = rdcv.y + finalScaleY
else:
finalScaleX = hypotVert(ldcv, rdcv)
finalScaleY = hypotVert(ldcv, lucv)
currRowX = ldcv.x
currRowY = ldcv.y +finalScaleY
if square: finalScaleY = finalScaleX*ratio
#lucv, rucv
x = round(lucv.x, precision)
y = round(lucv.y, precision)
for v in vertsDict[(x,y)]:
v.uv.x = currRowX
v.uv.y = currRowY
x = round(rucv.x, precision)
y = round(rucv.y, precision)
for v in vertsDict[(x,y)]:
v.uv.x = currRowX + finalScaleX
v.uv.y = currRowY
#rdcv, ldcv
x = round(rdcv.x, precision)
y = round(rdcv.y, precision)
for v in vertsDict[(x,y)]:
v.uv.x = currRowX + finalScaleX
v.uv.y = currRowY - finalScaleY
x = round(ldcv.x, precision)
y = round(ldcv.y, precision)
for v in vertsDict[(x,y)]:
v.uv.x = currRowX
v.uv.y = currRowY - finalScaleY
return
def SnapCursorToClosestSelected(filteredVerts):
#TODO: snap to closest selected
if len(filteredVerts) is 1:
SetAll2dCursorsTo(filteredVerts[0].uv.x, filteredVerts[0].uv.y)
return
def ListsOfVerts(uv_layer, bm):
edgeVerts = []
allEdgeVerts = []
filteredVerts = []
selFaces = []
nonQuadFaces = []
vertsDict = defaultdict(list) #dict
for f in bm.faces:
isFaceSel = True
facesEdgeVerts = []
if (f.select == False):
continue
#collect edge verts if any
for l in f.loops:
luv = l[uv_layer]
if luv.select is True:
facesEdgeVerts.append(luv)
else: isFaceSel = False
allEdgeVerts.extend(facesEdgeVerts)
if isFaceSel:
if len(f.verts) is not 4:
nonQuadFaces.append(f)
edgeVerts.extend(facesEdgeVerts)
else:
selFaces.append(f)
for l in f.loops:
luv = l[uv_layer]
x = round(luv.uv.x, precision)
y = round(luv.uv.y, precision)
vertsDict[(x, y)].append(luv)
else: edgeVerts.extend(facesEdgeVerts)
noEdge = False
if len(edgeVerts) is 0:
noEdge = True
edgeVerts.extend(allEdgeVerts)
if len(selFaces) is 0:
for ev in edgeVerts:
if ListQuasiContainsVect(filteredVerts, ev) is False:
filteredVerts.append(ev)
else: filteredVerts = edgeVerts
return edgeVerts, filteredVerts, selFaces, nonQuadFaces, vertsDict, noEdge
def ListQuasiContainsVect(list, vect):
for v in list:
if AreVertsQuasiEqual(v, vect):
return True
return False
#modified ideasman42's uvcalc_follow_active.py
def FollowActiveUV(operator, me, f_act, faces, EXTEND_MODE = 'LENGTH_AVERAGE'):
bm = bmesh.from_edit_mesh(me)
uv_act = bm.loops.layers.uv.active
# our own local walker
def walk_face_init(faces, f_act):
# first tag all faces True (so we dont uvmap them)
for f in bm.faces:
f.tag = True
# then tag faces arg False
for f in faces:
f.tag = False
# tag the active face True since we begin there
f_act.tag = True
def walk_face(f):
# all faces in this list must be tagged
f.tag = True
faces_a = [f]
faces_b = []
while faces_a:
for f in faces_a:
for l in f.loops:
l_edge = l.edge
if (l_edge.is_manifold is True) and (l_edge.seam is False):
l_other = l.link_loop_radial_next
f_other = l_other.face
if not f_other.tag:
yield (f, l, f_other)
f_other.tag = True
faces_b.append(f_other)
# swap
faces_a, faces_b = faces_b, faces_a
faces_b.clear()
def walk_edgeloop(l):
"""
Could make this a generic function
"""
e_first = l.edge
e = None
while True:
e = l.edge
yield e
# don't step past non-manifold edges
if e.is_manifold:
# welk around the quad and then onto the next face
l = l.link_loop_radial_next
if len(l.face.verts) == 4:
l = l.link_loop_next.link_loop_next
if l.edge is e_first:
break
else:
break
else:
break
def extrapolate_uv(fac,
l_a_outer, l_a_inner,
l_b_outer, l_b_inner):
l_b_inner[:] = l_a_inner
l_b_outer[:] = l_a_inner + ((l_a_inner - l_a_outer) * fac)
def apply_uv(f_prev, l_prev, f_next):
l_a = [None, None, None, None]
l_b = [None, None, None, None]
l_a[0] = l_prev
l_a[1] = l_a[0].link_loop_next
l_a[2] = l_a[1].link_loop_next
l_a[3] = l_a[2].link_loop_next
# l_b
# +-----------+
# |(3) |(2)
# | |
# |l_next(0) |(1)
# +-----------+
# ^
# l_a |
# +-----------+
# |l_prev(0) |(1)
# | (f) |
# |(3) |(2)
# +-----------+
# copy from this face to the one above.
# get the other loops
l_next = l_prev.link_loop_radial_next
if l_next.vert != l_prev.vert:
l_b[1] = l_next
l_b[0] = l_b[1].link_loop_next
l_b[3] = l_b[0].link_loop_next
l_b[2] = l_b[3].link_loop_next
else:
l_b[0] = l_next
l_b[1] = l_b[0].link_loop_next
l_b[2] = l_b[1].link_loop_next
l_b[3] = l_b[2].link_loop_next
l_a_uv = [l[uv_act].uv for l in l_a]
l_b_uv = [l[uv_act].uv for l in l_b]
if EXTEND_MODE == 'LENGTH_AVERAGE':
fac = edge_lengths[l_b[2].edge.index][0] / edge_lengths[l_a[1].edge.index][0]
elif EXTEND_MODE == 'LENGTH':
a0, b0, c0 = l_a[3].vert.co, l_a[0].vert.co, l_b[3].vert.co
a1, b1, c1 = l_a[2].vert.co, l_a[1].vert.co, l_b[2].vert.co
d1 = (a0 - b0).length + (a1 - b1).length
d2 = (b0 - c0).length + (b1 - c1).length
try:
fac = d2 / d1
except ZeroDivisionError:
fac = 1.0
else:
fac = 1.0
extrapolate_uv(fac,
l_a_uv[3], l_a_uv[0],
l_b_uv[3], l_b_uv[0])
extrapolate_uv(fac,
l_a_uv[2], l_a_uv[1],
l_b_uv[2], l_b_uv[1])
# -------------------------------------------
# Calculate average length per loop if needed
if EXTEND_MODE == 'LENGTH_AVERAGE':
bm.edges.index_update()
edge_lengths = [None] * len(bm.edges) #NoneType times the length of edges list
for f in faces:
# we know its a quad
l_quad = f.loops[:]
l_pair_a = (l_quad[0], l_quad[2])
l_pair_b = (l_quad[1], l_quad[3])
for l_pair in (l_pair_a, l_pair_b):
if edge_lengths[l_pair[0].edge.index] is None:
edge_length_store = [-1.0]
edge_length_accum = 0.0
edge_length_total = 0
for l in l_pair:
if edge_lengths[l.edge.index] is None:
for e in walk_edgeloop(l):
if edge_lengths[e.index] is None:
edge_lengths[e.index] = edge_length_store
edge_length_accum += e.calc_length()
edge_length_total += 1
edge_length_store[0] = edge_length_accum / edge_length_total
# done with average length
# ------------------------
walk_face_init(faces, f_act)
for f_triple in walk_face(f_act):
apply_uv(*f_triple)
bmesh.update_edit_mesh(me, False)
'''----------------------------------'''
def SuccessFinished(me, startTime):
#use for backtrack of steps
#bpy.ops.ed.undo_push()
bmesh.update_edit_mesh(me)
elapsed = round(timer()-startTime, 2)
#if (elapsed >= 0.05): operator.report({'INFO'}, "UvSquares finished, elapsed:", elapsed, "s.")
if (elapsed >= 0.05): print("UvSquares finished, elapsed:", elapsed, "s.")
return
'''def SymmetrySelected(axis, pivot = "MEDIAN"):
last_pivot = bpy.context.space_data.pivot_point
bpy.context.space_data.pivot_point = pivot
bpy.ops.transform.mirror(constraint_axis=(True, False, False), constraint_orientation='GLOBAL', proportional_edit_falloff='SMOOTH', proportional_size=1)
bpy.context.space_data.pivot_point = last_pivot
return'''
def AreVectsLinedOnAxis(verts):
areLinedX = True
areLinedY = True
allowedError = 0.00001
valX = verts[0].uv.x
valY = verts[0].uv.y
for v in verts:
if abs(valX - v.uv.x) > allowedError:
areLinedX = False
if abs(valY - v.uv.y) > allowedError:
areLinedY = False
return areLinedX or areLinedY
def MakeEqualDistanceBetweenVertsInLine(filteredVerts, vertsDict, startv = None):
verts = filteredVerts
verts.sort(key=lambda x: x.uv[0]) #sort by .x
first = verts[0].uv
last = verts[len(verts)-1].uv
horizontal = True
if ((last.x - first.x) >0.00001):
slope = (last.y - first.y)/(last.x - first.x)
if (slope > 1) or (slope <-1):
horizontal = False
else:
horizontal = False
if horizontal is True:
length = hypot(first.x - last.x, first.y - last.y)
if startv is last:
currentX = last.x - length
currentY = last.y
else:
currentX = first.x
currentY = first.y
else:
verts.sort(key=lambda x: x.uv[1]) #sort by .y
verts.reverse() #reverse because y values drop from up to down
first = verts[0].uv
last = verts[len(verts)-1].uv
length = hypot(first.x - last.x, first.y - last.y) # we have to call length here because if it is not Hor first and second can not actually be first and second
if startv is last:
currentX = last.x
currentY = last.y + length
else:
currentX = first.x
currentY = first.y
numberOfVerts = len(verts)
finalScale = length / (numberOfVerts-1)
if horizontal is True:
first = verts[0]
last = verts[len(verts)-1]
for v in verts:
v = v.uv
x = round(v.x, precision)
y = round(v.y, precision)
for vert in vertsDict[(x,y)]:
vert.uv.x = currentX
vert.uv.y = currentY
currentX = currentX + finalScale
else:
for v in verts:
x = round(v.uv.x, precision)
y = round(v.uv.y, precision)
for vert in vertsDict[(x,y)]:
vert.uv.x = currentX
vert.uv.y = currentY
currentY = currentY - finalScale
return
def VertsDictForLine(uv_layer, bm, selVerts, vertsDict):
for f in bm.faces:
for l in f.loops:
luv = l[uv_layer]
if luv.select is True:
x = round(luv.uv.x, precision)
y = round(luv.uv.y, precision)
vertsDict[(x, y)].append(luv)
return
def ScaleTo0OnAxisAndCursor(filteredVerts, vertsDict, startv = None, horizontal = None):
verts = filteredVerts
verts.sort(key=lambda x: x.uv[0]) #sort by .x
first = verts[0]
last = verts[len(verts)-1]
if horizontal is None:
horizontal = True
if ((last.uv.x - first.uv.x) >0.00001):
slope = (last.uv.y - first.uv.y)/(last.uv.x - first.uv.x)
if (slope > 1) or (slope <-1):
horizontal = False
else:
horizontal = False
if horizontal is True:
if startv is None:
startv = first
SetAll2dCursorsTo(startv.uv.x, startv.uv.y)
#scale to 0 on Y
ScaleTo0('Y')
return
else:
verts.sort(key=lambda x: x.uv[1]) #sort by .y
verts.reverse() #reverse because y values drop from up to down
first = verts[0]
last = verts[len(verts)-1]
if startv is None:
startv = first
SetAll2dCursorsTo(startv.uv.x, startv.uv.y)
#scale to 0 on X
ScaleTo0('X')
return
def ScaleTo0(axis):
last_area = bpy.context.area.type
bpy.context.area.type = 'IMAGE_EDITOR'
last_pivot = bpy.context.space_data.pivot_point
bpy.context.space_data.pivot_point = 'CURSOR'
for area in bpy.context.screen.areas:
if area.type == 'IMAGE_EDITOR':
if axis is 'Y':
bpy.ops.transform.resize(value=(1, 0, 1), constraint_axis=(False, True, False), mirror=False, proportional_edit_falloff='SMOOTH', proportional_size=1)
else:
bpy.ops.transform.resize(value=(0, 1, 1), constraint_axis=(True, False, False), mirror=False, proportional_edit_falloff='SMOOTH', proportional_size=1)
bpy.context.space_data.pivot_point = last_pivot
return
def hypotVert(v1, v2):
hyp = hypot(v1.x - v2.x, v1.y - v2.y)
return hyp
def Corners(corners):
firstHighest = corners[0]
for c in corners:
if c.uv.y > firstHighest.uv.y:
firstHighest = c
corners.remove(firstHighest)
secondHighest = corners[0]
for c in corners:
if (c.uv.y > secondHighest.uv.y):
secondHighest = c
if firstHighest.uv.x < secondHighest.uv.x:
leftUp = firstHighest
rightUp = secondHighest
else:
leftUp = secondHighest
rightUp = firstHighest
corners.remove(secondHighest)
firstLowest = corners[0]
secondLowest = corners[1]
if firstLowest.uv.x < secondLowest.uv.x:
leftDown = firstLowest
rightDown = secondLowest
else:
leftDown = secondLowest
rightDown = firstLowest
return leftUp, leftDown, rightUp, rightDown
def ImageSize():
ratioX, ratioY = 256,256
for a in bpy.context.screen.areas:
if a.type == 'IMAGE_EDITOR':
img = a.spaces[0].image
if img is not None and img.size[0] is not 0:
ratioX, ratioY = img.size[0], img.size[1]
break
return ratioX, ratioY
def CursorClosestTo(verts):
sizeX, sizeY = ImageSize()
if bpy.app.version >= (2, 80, 0):
sizeX, sizeY = 1,1
min = float('inf')
minV = verts[0]
for v in verts:
if v is None: continue
for area in bpy.context.screen.areas:
if area.type == 'IMAGE_EDITOR':
loc = area.spaces[0].cursor_location
hyp = hypot(loc.x/sizeX -v.uv.x, loc.y/sizeY -v.uv.y)
if (hyp < min):
min = hyp
minV = v
return minV
def SetAll2dCursorsTo(x,y):
last_area = bpy.context.area.type
bpy.context.area.type = 'IMAGE_EDITOR'
bpy.ops.uv.cursor_set(location=(x, y))
bpy.context.area.type = last_area
return
'''def RotateSelected(angle, pivot = None):
if pivot is None:
pivot = "MEDIAN"
last_area = bpy.context.area.type
bpy.context.area.type = 'IMAGE_EDITOR'
last_pivot = bpy.context.space_data.pivot_point
bpy.context.space_data.pivot_point = pivot
for area in bpy.context.screen.areas:
if area.type == 'IMAGE_EDITOR':
bpy.ops.transform.rotate(value=radians(angle), axis=(-0, -0, -1), constraint_axis=(False, False, False), constraint_orientation='LOCAL', mirror=False, proportional_edit_falloff='SMOOTH', proportional_size=1)
break
bpy.context.space_data.pivot_point = last_pivot
bpy.context.area.type = last_area
return'''
def AreVertsQuasiEqual(v1, v2, allowedError = 0.00001):
if abs(v1.uv.x -v2.uv.x) < allowedError and abs(v1.uv.y -v2.uv.y) < allowedError:
return True
return False
def RipUvFaces(context, operator):
startTime = timer()
obj = context.active_object
me = obj.data
bm = bmesh.from_edit_mesh(me)
uv_layer = bm.loops.layers.uv.verify()
# bm.faces.layers.tex.verify() # currently blender needs both layers.
selFaces = []
for f in bm.faces:
isFaceSel = True
for l in f.loops:
luv = l[uv_layer]
if luv.select is False:
isFaceSel = False
break
if isFaceSel is True:
selFaces.append(f)
if len(selFaces) is 0:
target = None
for f in bm.faces:
for l in f.loops:
luv = l[uv_layer]
if luv.select is True:
target = luv
break
if target is not None: break
for f in bm.faces:
for l in f.loops:
luv = l[uv_layer]
luv.select = False
target.select = True
return SuccessFinished(me, startTime)
DeselectAll()
for sf in selFaces:
for l in sf.loops:
luv = l[uv_layer]
luv.select = True
return SuccessFinished(me, startTime)
def JoinUvFaces(context, operator):
startTime = timer()
obj = context.active_object
me = obj.data
bm = bmesh.from_edit_mesh(me)
uv_layer = bm.loops.layers.uv.verify()
# bm.faces.layers.tex.verify() # currently blender needs both layers.
vertsDict = defaultdict(list) #dict
#TODO: radius by image scale
radius = 0.002
for f in bm.faces:
for l in f.loops:
luv = l[uv_layer]
if luv.select is True:
x = round(luv.uv.x, precision)
y = round(luv.uv.y, precision)
vertsDict[(x,y)].append(luv)
for key in vertsDict:
min = 1
minV = None
for f in bm.faces:
for l in f.loops:
luv = l[uv_layer]
if luv.select is False:
hyp = hypot(vertsDict[(key[0], key[1])][0].uv.x -luv.uv.x, vertsDict[(key[0], key[1])][0].uv.y -luv.uv.y)
if (hyp <= min) and hyp < radius:
min = hyp
minV = luv
minV.select = True
if min is not 1:
for v in vertsDict[(key[0], key[1])]:
v = v.uv
v.x = minV.uv.x
v.y = minV.uv.y
return SuccessFinished(me, startTime)
def DeselectAll():
bpy.ops.uv.select_all(action='DESELECT')
return
class UV_PT_UvSquares(bpy.types.Operator):
"""Reshapes UV faces to a grid of equivalent squares"""
bl_idname = "uv.uv_squares"
bl_label = "UVs to grid of squares"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
return (context.mode == 'EDIT_MESH')
def execute(self, context):
main(context, self, True)
return {'FINISHED'}
class UV_PT_UvSquaresByShape(bpy.types.Operator):
"""Reshapes UV faces to a grid with respect to shape by length of edges around selected corner"""
bl_idname = "uv.uv_squares_by_shape"
bl_label = "UVs to grid with respect to shape"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
return (context.mode == 'EDIT_MESH')
def execute(self, context):
main(context, self)
return {'FINISHED'}
class UV_PT_RipFaces(bpy.types.Operator):
"""Rip UV faces apart"""
bl_idname = "uv.uv_face_rip"
bl_label = "UV face rip"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
return (context.mode == 'EDIT_MESH')
def execute(self, context):
RipUvFaces(context, self)
return {'FINISHED'}
class UV_PT_JoinFaces(bpy.types.Operator):
"""Join selected UV faces to closest nonselected vertices"""
bl_idname = "uv.uv_face_join"
bl_label = "UV face join"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
return (context.mode == 'EDIT_MESH')
def execute(self, context):
JoinUvFaces(context, self)
return {'FINISHED'}
class UV_PT_SnapToAxis(bpy.types.Operator):
"""Snap sequenced vertices to Axis"""
bl_idname = "uv.uv_snap_to_axis"
bl_label = "UV snap vertices to axis"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
return (context.mode == 'EDIT_MESH')
def execute(self, context):
main(context, self)
return {'FINISHED'}
class UV_PT_SnapToAxisWithEqual(bpy.types.Operator):
"""Snap sequenced vertices to Axis with Equal Distance between"""
bl_idname = "uv.uv_snap_to_axis_and_equal"
bl_label = "UV snap vertices to axis with equal distance between"
bl_options = {'REGISTER', 'UNDO'}
@classmethod
def poll(cls, context):
return (context.mode == 'EDIT_MESH')
def execute(self, context):
main(context, self)
main(context, self)
return {'FINISHED'}
addon_keymaps = []
def menu_func_uv_squares(self, context): self.layout.operator(UV_PT_UvSquares.bl_idname)
def menu_func_uv_squares_by_shape(self, context): self.layout.operator(UV_PT_UvSquaresByShape.bl_idname)
def menu_func_face_rip(self, context): self.layout.operator(UV_PT_RipFaces.bl_idname)
def menu_func_face_join(self, context): self.layout.operator(UV_PT_JoinFaces.bl_idname)
class UV_PT_UvSquaresPanel(bpy.types.Panel):
"""UvSquares Panel"""
bl_label = "UV Squares"
bl_space_type = 'IMAGE_EDITOR'
bl_region_type = 'UI'
bl_category = 'UV Squares'
def draw(self, context):
layout = self.layout
row = layout.row()
row.label(text="Select Sequenced Vertices to:")
split = layout.split()
col = split.column(align=True)
col.operator(UV_PT_SnapToAxis.bl_idname, text="Snap to Axis (X or Y)", icon = "ARROW_LEFTRIGHT")
col.operator(UV_PT_SnapToAxisWithEqual.bl_idname, text="Snap with Equal Distance", icon = "THREE_DOTS")
row = layout.row()
row.label(text="Convert \"Rectangle\" (4 corners):")
split = layout.split()
col = split.column(align=True)
col.operator(UV_PT_UvSquaresByShape.bl_idname, text="To Grid By Shape", icon = "UV_FACESEL")
col.operator(UV_PT_UvSquares.bl_idname, text="To Square Grid", icon = "GRID")
split = layout.split()
col = split.column(align=True)
row = col.row(align=True)
row = layout.row()
row.label(text="Select Faces or Vertices to:")
split = layout.split()
col = split.column(align=True)
row = col.row(align=True)
row.operator(UV_PT_RipFaces.bl_idname, text="Rip Vertex", icon = "LAYER_ACTIVE")
row.operator(UV_PT_RipFaces.bl_idname, text="Rip Faces", icon = "UV_ISLANDSEL")
col.operator(UV_PT_JoinFaces.bl_idname, text="Snap to Closest Unselected", icon = "SNAP_GRID")
row = layout.row()
row.label(text="V - Join (Stitch), I -Toggle Islands")
def register():
bpy.utils.register_class(UV_PT_UvSquaresPanel)
bpy.utils.register_class(UV_PT_UvSquares)
bpy.utils.register_class(UV_PT_UvSquaresByShape)
bpy.utils.register_class(UV_PT_RipFaces)
bpy.utils.register_class(UV_PT_JoinFaces)
bpy.utils.register_class(UV_PT_SnapToAxis)
bpy.utils.register_class(UV_PT_SnapToAxisWithEqual)
#menu
bpy.types.IMAGE_MT_uvs.append(menu_func_uv_squares)
bpy.types.IMAGE_MT_uvs.append(menu_func_uv_squares_by_shape)
bpy.types.IMAGE_MT_uvs.append(menu_func_face_rip)
bpy.types.IMAGE_MT_uvs.append(menu_func_face_join)
#handle the keymap
wm = bpy.context.window_manager
km = wm.keyconfigs.addon.keymaps.new(name='UV Editor', space_type='EMPTY')
kmi = km.keymap_items.new(UV_PT_UvSquaresByShape.bl_idname, 'E', 'PRESS', alt=True)
addon_keymaps.append((km, kmi))
km = wm.keyconfigs.addon.keymaps.new(name='UV Editor', space_type='EMPTY')
kmi = km.keymap_items.new(UV_PT_RipFaces.bl_idname, 'V', 'PRESS', alt=True)
addon_keymaps.append((km, kmi))
km = wm.keyconfigs.addon.keymaps.new(name='UV Editor', space_type='EMPTY')
kmi = km.keymap_items.new(UV_PT_JoinFaces.bl_idname, 'V', 'PRESS', alt=True, shift=True)