object_carver/carver_utils.py

   1
   2 import bpy
   3 import bgl
   4 import gpu
   5 from gpu_extras.batch import batch_for_shader
   6 import math
   7 import sys
   8 import random
   9 import bmesh
  10 from mathutils import (
  11     Euler,
  12     Matrix,
  13     Vector,
  14     Quaternion,
  15 )
  16 from mathutils.geometry import (
  17     intersect_line_plane,
  18 )
  19
  20 from math import (
  21     sin,
  22     cos,
  23     pi,
  24     )
  25
  26 import bpy_extras
  27
  28 from bpy_extras import view3d_utils
  29 from bpy_extras.view3d_utils import (
  30     region_2d_to_vector_3d,
  31     region_2d_to_location_3d,
  32     location_3d_to_region_2d,
  33 )
  34
  35 # Cut Square
  36 def CreateCutSquare(self, context):
  37     """ Create a rectangle mesh """
  38     far_limit = 10000.0
  39     faces=[]
  40
  41     # Get the mouse coordinates
  42     coord = self.mouse_path[0][0], self.mouse_path[0][1]
  43
  44     # New mesh
  45     me = bpy.data.meshes.new('CMT_Square')
  46     bm = bmesh.new()
  47     bm.from_mesh(me)
  48
  49     # New object and link it to the scene
  50     ob = bpy.data.objects.new('CMT_Square', me)
  51     self.CurrentObj = ob
  52     context.collection.objects.link(ob)
  53
  54     # Scene information
  55     region = context.region
  56     rv3d = context.region_data
  57     depth_location = region_2d_to_vector_3d(region, rv3d, coord)
  58     self.ViewVector = depth_location
  59
  60     # Get a point on a infinite plane and its direction
  61     plane_normal = depth_location
  62     plane_direction = plane_normal.normalized()
  63
  64     if self.snapCursor:
  65         plane_point = context.scene.cursor.location
  66     else:
  67         plane_point = self.OpsObj.location if self.OpsObj is not None else Vector((0.0, 0.0, 0.0))
  68
  69     # Find the intersection of a line going thru each vertex and the infinite plane
  70     for v_co in self.rectangle_coord:
  71         vec = region_2d_to_vector_3d(region, rv3d, v_co)
  72         p0 = region_2d_to_location_3d(region, rv3d,v_co, vec)
  73         p1 = region_2d_to_location_3d(region, rv3d,v_co, vec) + plane_direction * far_limit
  74         faces.append(bm.verts.new(intersect_line_plane(p0, p1, plane_point, plane_direction)))
  75
  76     # Update vertices index
  77     bm.verts.index_update()
  78     # New faces
  79     t_face = bm.faces.new(faces)
  80     # Set mesh
  81     bm.to_mesh(me)
  82
  83
  84 # Cut Line
  85 def CreateCutLine(self, context):
  86     """ Create a polygon mesh """
  87     far_limit = 10000.0
  88     vertices = []
  89     faces = []
  90     loc = []
  91
  92     # Get the mouse coordinates
  93     coord = self.mouse_path[0][0], self.mouse_path[0][1]
  94
  95     # New mesh
  96     me = bpy.data.meshes.new('CMT_Line')
  97     bm = bmesh.new()
  98     bm.from_mesh(me)
  99
 100     # New object and link it to the scene
 101     ob = bpy.data.objects.new('CMT_Line', me)
 102     self.CurrentObj = ob
 103     context.collection.objects.link(ob)
 104
 105     # Scene information
 106     region = context.region
 107     rv3d = context.region_data
 108     depth_location = region_2d_to_vector_3d(region, rv3d, coord)
 109     self.ViewVector = depth_location
 110
 111     # Get a point on a infinite plane and its direction
 112     plane_normal = depth_location
 113     plane_direction = plane_normal.normalized()
 114
 115     if self.snapCursor:
 116         plane_point = context.scene.cursor.location
 117     else:
 118         plane_point = self.OpsObj.location if self.OpsObj is not None else Vector((0.0, 0.0, 0.0))
 119
 120     # Use dict to remove doubles
 121     # Find the intersection of a line going thru each vertex and the infinite plane
 122     for idx, v_co in enumerate(list(dict.fromkeys(self.mouse_path))):
 123         vec = region_2d_to_vector_3d(region, rv3d, v_co)
 124         p0 = region_2d_to_location_3d(region, rv3d,v_co, vec)
 125         p1 = region_2d_to_location_3d(region, rv3d,v_co, vec) + plane_direction * far_limit
 126         loc.append(intersect_line_plane(p0, p1, plane_point, plane_direction))
 127         vertices.append(bm.verts.new(loc[idx]))
 128
 129         if idx > 0:
 130             bm.edges.new([vertices[idx-1],vertices[idx]])
 131
 132         faces.append(vertices[idx])
 133
 134     # Update vertices index
 135     bm.verts.index_update()
 136
 137     # Nothing is selected, create close geometry
 138     if self.CreateMode:
 139         if self.Closed and len(vertices) > 1:
 140             bm.edges.new([vertices[-1], vertices[0]])
 141             bm.faces.new(faces)
 142     else:
 143         # Create faces if more than 2 vertices
 144         if len(vertices) > 1 :
 145             bm.edges.new([vertices[-1], vertices[0]])
 146             bm.faces.new(faces)
 147
 148     bm.to_mesh(me)
 149
 150 # Cut Circle
 151 def CreateCutCircle(self, context):
 152     """ Create a circle mesh """
 153     far_limit = 10000.0
 154     FacesList = []
 155
 156     # Get the mouse coordinates
 157     mouse_pos_x = self.mouse_path[0][0]
 158     mouse_pos_y = self.mouse_path[0][1]
 159     coord = self.mouse_path[0][0], self.mouse_path[0][1]
 160
 161     # Scene information
 162     region = context.region
 163     rv3d = context.region_data
 164     depth_location = region_2d_to_vector_3d(region, rv3d, coord)
 165     self.ViewVector = depth_location
 166
 167     # Get a point on a infinite plane and its direction
 168     plane_point = context.scene.cursor.location if self.snapCursor else Vector((0.0, 0.0, 0.0))
 169     plane_normal = depth_location
 170     plane_direction = plane_normal.normalized()
 171
 172     # New mesh
 173     me = bpy.data.meshes.new('CMT_Circle')
 174     bm = bmesh.new()
 175     bm.from_mesh(me)
 176
 177     # New object and link it to the scene
 178     ob = bpy.data.objects.new('CMT_Circle', me)
 179     self.CurrentObj = ob
 180     context.collection.objects.link(ob)
 181
 182     # Create a circle using a tri fan
 183     tris_fan, indices = draw_circle(self, mouse_pos_x, mouse_pos_y)
 184
 185     # Remove the vertex in the center to get the outer line of the circle
 186     verts = tris_fan[1:]
 187
 188     # Find the intersection of a line going thru each vertex and the infinite plane
 189     for vert in verts:
 190         vec = region_2d_to_vector_3d(region, rv3d, vert)
 191         p0 = region_2d_to_location_3d(region, rv3d, vert, vec)
 192         p1 = p0 + plane_direction * far_limit
 193         loc0 = intersect_line_plane(p0, p1, plane_point, plane_direction)
 194         t_v0 = bm.verts.new(loc0)
 195         FacesList.append(t_v0)
 196
 197     bm.verts.index_update()
 198     bm.faces.new(FacesList)
 199     bm.to_mesh(me)
 200
 201
 202 def create_2d_circle(self, step, radius, rotation = 0):
 203     """ Create the vertices of a 2d circle at (0,0) """
 204     verts = []
 205     for angle in range(0, 360, step):
 206         verts.append(math.cos(math.radians(angle + rotation)) * radius)
 207         verts.append(math.sin(math.radians(angle + rotation)) * radius)
 208         verts.append(0.0)
 209     verts.append(math.cos(math.radians(0.0 + rotation)) * radius)
 210     verts.append(math.sin(math.radians(0.0 + rotation)) * radius)
 211     verts.append(0.0)
 212     return(verts)
 213
 214
 215 def draw_circle(self, mouse_pos_x, mouse_pos_y):
 216     """ Return the coordinates + indices of a circle using a triangle fan """
 217     tris_verts = []
 218     indices = []
 219     segments = int(360 / self.stepAngle[self.step])
 220     radius = self.mouse_path[1][0] - self.mouse_path[0][0]
 221     rotation = (self.mouse_path[1][1] - self.mouse_path[0][1]) / 2
 222
 223     # Get the vertices of a 2d circle
 224     verts = create_2d_circle(self, self.stepAngle[self.step], radius, rotation)
 225
 226     # Create the first vertex at mouse position for the center of the circle
 227     tris_verts.append(Vector((mouse_pos_x + self.xpos , mouse_pos_y + self.ypos)))
 228
 229     # For each vertex of the circle, add the mouse position and the translation
 230     for idx in range(int(len(verts) / 3) - 1):
 231         tris_verts.append(Vector((verts[idx * 3] + mouse_pos_x + self.xpos, \
 232                                   verts[idx * 3 + 1] + mouse_pos_y + self.ypos)))
 233         i1 = idx+1
 234         i2 = idx+2 if idx+2 <= segments else 1
 235         indices.append((0,i1,i2))
 236
 237     return(tris_verts, indices)
 238
 239 # Object dimensions (SCULPT Tools tips)
 240 def objDiagonal(obj):
 241     return ((obj.dimensions[0]**2) + (obj.dimensions[1]**2) + (obj.dimensions[2]**2))**0.5
 242
 243
 244 # Bevel Update
 245 def update_bevel(context):
 246     selection = context.selected_objects.copy()
 247     active = context.active_object
 248
 249     if len(selection) > 0:
 250         for obj in selection:
 251             bpy.ops.object.select_all(action='DESELECT')
 252             obj.select_set(True)
 253             context.view_layer.objects.active = obj
 254
 255             # Test object name
 256             # Subdive mode : Only bevel weight
 257             if obj.data.name.startswith("S_") or obj.data.name.startswith("S "):
 258                 bpy.ops.object.mode_set(mode='EDIT')
 259                 bpy.ops.mesh.region_to_loop()
 260                 bpy.ops.transform.edge_bevelweight(value=1)
 261                 bpy.ops.object.mode_set(mode='OBJECT')
 262
 263             else:
 264                 # No subdiv mode : bevel weight + Crease + Sharp
 265                 CreateBevel(context, obj)
 266
 267     bpy.ops.object.select_all(action='DESELECT')
 268
 269     for obj in selection:
 270         obj.select_set(True)
 271     context.view_layer.objects.active = active
 272
 273 # Create bevel
 274 def CreateBevel(context, CurrentObject):
 275     # Save active object
 276     SavActive = context.active_object
 277
 278     # Test if initial object has bevel
 279     bevel_modifier = False
 280     for modifier in SavActive.modifiers:
 281         if modifier.name == 'Bevel':
 282             bevel_modifier = True
 283
 284     if bevel_modifier:
 285         # Active "CurrentObject"
 286         context.view_layer.objects.active = CurrentObject
 287
 288         bpy.ops.object.mode_set(mode='EDIT')
 289
 290         # Edge mode
 291         bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='EDGE')
 292         # Clear all
 293         bpy.ops.mesh.select_all(action='SELECT')
 294         bpy.ops.mesh.mark_sharp(clear=True)
 295         bpy.ops.transform.edge_crease(value=-1)
 296         bpy.ops.transform.edge_bevelweight(value=-1)
 297
 298         bpy.ops.mesh.select_all(action='DESELECT')
 299
 300         # Select (in radians) all 30° sharp edges
 301         bpy.ops.mesh.edges_select_sharp(sharpness=0.523599)
 302         # Apply bevel weight + Crease + Sharp to the selected edges
 303         bpy.ops.mesh.mark_sharp()
 304         bpy.ops.transform.edge_crease(value=1)
 305         bpy.ops.transform.edge_bevelweight(value=1)
 306
 307         bpy.ops.mesh.select_all(action='DESELECT')
 308
 309         bpy.ops.object.mode_set(mode='OBJECT')
 310
 311         CurrentObject.data.use_customdata_edge_bevel = True
 312
 313         for i in range(len(CurrentObject.data.edges)):
 314             if CurrentObject.data.edges[i].select is True:
 315                 CurrentObject.data.edges[i].bevel_weight = 1.0
 316                 CurrentObject.data.edges[i].use_edge_sharp = True
 317
 318         bevel_modifier = False
 319         for m in CurrentObject.modifiers:
 320             if m.name == 'Bevel':
 321                 bevel_modifier = True
 322
 323         if bevel_modifier is False:
 324             bpy.ops.object.modifier_add(type='BEVEL')
 325             mod = context.object.modifiers[-1]
 326             mod.limit_method = 'WEIGHT'
 327             mod.width = 0.01
 328             mod.profile = 0.699099
 329             mod.use_clight_overlap = False
 330             mod.segments = 3
 331             mod.loop_slide = False
 332
 333         bpy.ops.object.shade_smooth()
 334
 335         context.object.data.use_auto_smooth = True
 336         context.object.data.auto_smooth_angle = 1.0471975
 337
 338         # Restore the active object
 339         context.view_layer.objects.active = SavActive
 340
 341
 342 def MoveCursor(qRot, location, self):
 343     """ In brush mode : Draw a circle around the brush """
 344     if qRot is not None:
 345         verts = create_2d_circle(self, 10, 1)
 346         self.CLR_C.clear()
 347         vc = Vector()
 348         for idx in range(int(len(verts) / 3)):
 349             vc.x = verts[idx * 3]
 350             vc.y = verts[idx * 3 + 1]
 351             vc.z = verts[idx * 3 + 2]
 352             vc = qRot @ vc
 353             self.CLR_C.append(vc.x)
 354             self.CLR_C.append(vc.y)
 355             self.CLR_C.append(vc.z)
 356
 357
 358 def rot_axis_quat(vector1, vector2):
 359     """ Find the rotation (quaternion) from vector 1 to vector 2"""
 360     vector1 = vector1.normalized()
 361     vector2 = vector2.normalized()
 362     cosTheta = vector1.dot(vector2)
 363     rotationAxis = Vector((0.0, 0.0, 0.0))
 364     if (cosTheta < -1 + 0.001):
 365         v = Vector((0.0, 1.0, 0.0))
 366         #Get the vector at the right angles to both
 367         rotationAxis = vector1.cross(v)
 368         rotationAxis = rotationAxis.normalized()
 369         q = Quaternion()
 370         q.w = 0.0
 371         q.x = rotationAxis.x
 372         q.y = rotationAxis.y
 373         q.z = rotationAxis.z
 374     else:
 375         rotationAxis = vector1.cross(vector2)
 376         s = math.sqrt((1.0 + cosTheta) * 2.0)
 377         invs = 1 / s
 378         q = Quaternion()
 379         q.w = s * 0.5
 380         q.x = rotationAxis.x * invs
 381         q.y = rotationAxis.y * invs
 382         q.z = rotationAxis.z * invs
 383     return q
 384
 385
 386 # Picking (template)
 387 def Picking(context, event):
 388     """ Put the 3d cursor on the closest object"""
 389
 390     # get the context arguments
 391     scene = context.scene
 392     region = context.region
 393     rv3d = context.region_data
 394     coord = event.mouse_region_x, event.mouse_region_y
 395
 396     # get the ray from the viewport and mouse
 397     view_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
 398     ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
 399     ray_target = ray_origin + view_vector
 400
 401     def visible_objects_and_duplis():
 402         depsgraph = context.evaluated_depsgraph_get()
 403         for dup in depsgraph.object_instances:
 404             if dup.is_instance:  # Real dupli instance
 405                 obj = dup.instance_object.original
 406                 yield (obj, dup.matrix.copy())
 407             else:  # Usual object
 408                 obj = dup.object.original
 409                 yield (obj, obj.matrix_world.copy())
 410
 411     def obj_ray_cast(obj, matrix):
 412         # get the ray relative to the object
 413         matrix_inv = matrix.inverted()
 414         ray_origin_obj = matrix_inv @ ray_origin
 415         ray_target_obj = matrix_inv @ ray_target
 416         ray_direction_obj = ray_target_obj - ray_origin_obj
 417         # cast the ray
 418         success, location, normal, face_index = obj.ray_cast(ray_origin_obj, ray_direction_obj)
 419         if success:
 420             return location, normal, face_index
 421         return None, None, None
 422
 423     # cast rays and find the closest object
 424     best_length_squared = -1.0
 425     best_obj = None
 426
 427     # cast rays and find the closest object
 428     for obj, matrix in visible_objects_and_duplis():
 429         if obj.type == 'MESH':
 430             hit, normal, face_index = obj_ray_cast(obj, matrix)
 431             if hit is not None:
 432                 hit_world = matrix @ hit
 433                 length_squared = (hit_world - ray_origin).length_squared
 434                 if best_obj is None or length_squared < best_length_squared:
 435                     scene.cursor.location = hit_world
 436                     best_length_squared = length_squared
 437                     best_obj = obj
 438             else:
 439                 if best_obj is None:
 440                     depth_location = region_2d_to_vector_3d(region, rv3d, coord)
 441                     loc = region_2d_to_location_3d(region, rv3d, coord, depth_location)
 442                     scene.cursor.location = loc
 443
 444
 445 def Pick(context, event, self, ray_max=10000.0):
 446     region = context.region
 447     rv3d = context.region_data
 448     coord = event.mouse_region_x, event.mouse_region_y
 449     view_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
 450     ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
 451     ray_target = ray_origin + (view_vector * ray_max)
 452
 453     def obj_ray_cast(obj, matrix):
 454         matrix_inv = matrix.inverted()
 455         ray_origin_obj = matrix_inv @ ray_origin
 456         ray_target_obj = matrix_inv @ ray_target
 457         success, hit, normal, face_index = obj.ray_cast(ray_origin_obj, ray_target_obj)
 458         if success:
 459             return hit, normal, face_index
 460         return None, None, None
 461
 462     best_length_squared = ray_max * ray_max
 463     best_obj = None
 464     for obj in self.CList:
 465         matrix = obj.matrix_world
 466         hit, normal, face_index = obj_ray_cast(obj, matrix)
 467         rotation = obj.rotation_euler.to_quaternion()
 468         if hit is not None:
 469             hit_world = matrix @ hit
 470             length_squared = (hit_world - ray_origin).length_squared
 471             if length_squared < best_length_squared:
 472                 best_length_squared = length_squared
 473                 best_obj = obj
 474                 hits = hit_world
 475                 ns = normal
 476                 fs = face_index
 477
 478     if best_obj is not None:
 479         return hits, ns, rotation
 480
 481     return None, None, None
 482
 483 def SelectObject(self, copyobj):
 484     copyobj.select_set(True)
 485
 486     for child in copyobj.children:
 487         SelectObject(self, child)
 488
 489     if copyobj.parent is None:
 490         bpy.context.view_layer.objects.active = copyobj
 491
 492 # Undo
 493 def printUndo(self):
 494     for l in self.UList:
 495         print(l)
 496
 497
 498 def UndoAdd(self, type, obj):
 499     """ Create a backup mesh before apply the action to the object """
 500     if obj is None:
 501         return
 502
 503     if type != "DUPLICATE":
 504         bm = bmesh.new()
 505         bm.from_mesh(obj.data)
 506         self.UndoOps.append((obj, type, bm))
 507     else:
 508         self.UndoOps.append((obj, type, None))
 509
 510
 511 def UndoListUpdate(self):
 512     self.UList.append((self.UndoOps.copy()))
 513     self.UList_Index += 1
 514     self.UndoOps.clear()
 515
 516
 517 def Undo(self):
 518     if self.UList_Index < 0:
 519         return
 520     # get previous mesh
 521     for o in self.UList[self.UList_Index]:
 522         if o[1] == "MESH":
 523             bm = o[2]
 524             bm.to_mesh(o[0].data)
 525
 526     SelectObjList = bpy.context.selected_objects.copy()
 527     Active_Obj = bpy.context.active_object
 528     bpy.ops.object.select_all(action='TOGGLE')
 529
 530     for o in self.UList[self.UList_Index]:
 531         if o[1] == "REBOOL":
 532             o[0].select_set(True)
 533             o[0].hide_viewport = False
 534
 535         if o[1] == "DUPLICATE":
 536             o[0].select_set(True)
 537             o[0].hide_viewport = False
 538
 539     bpy.ops.object.delete(use_global=False)
 540
 541     for so in SelectObjList:
 542         bpy.data.objects[so.name].select_set(True)
 543     bpy.context.view_layer.objects.active = Active_Obj
 544
 545     self.UList_Index -= 1
 546     self.UList[self.UList_Index + 1:] = []
 547
 548
 549 def duplicateObject(self):
 550     if self.Instantiate:
 551         bpy.ops.object.duplicate_move_linked(
 552             OBJECT_OT_duplicate={
 553                 "linked": True,
 554                 "mode": 'TRANSLATION',
 555             },
 556             TRANSFORM_OT_translate={
 557                 "value": (0, 0, 0),
 558             },
 559         )
 560     else:
 561         bpy.ops.object.duplicate_move(
 562             OBJECT_OT_duplicate={
 563                 "linked": False,
 564                 "mode": 'TRANSLATION',
 565             },
 566             TRANSFORM_OT_translate={
 567                 "value": (0, 0, 0),
 568             },
 569         )
 570
 571     ob_new = bpy.context.active_object
 572
 573     ob_new.location = self.CurLoc
 574     v = Vector()
 575     v.x = v.y = 0.0
 576     v.z = self.BrushDepthOffset
 577     ob_new.location += self.qRot * v
 578
 579     if self.ObjectMode:
 580         ob_new.scale = self.ObjectBrush.scale
 581     if self.ProfileMode:
 582         ob_new.scale = self.ProfileBrush.scale
 583
 584     e = Euler()
 585     e.x = e.y = 0.0
 586     e.z = self.aRotZ / 25.0
 587
 588     # If duplicate with a grid, no random rotation (each mesh in the grid is already rotated randomly)
 589     if (self.alt is True) and ((self.nbcol + self.nbrow) < 3):
 590         if self.RandomRotation:
 591             e.z += random.random()
 592
 593     qe = e.to_quaternion()
 594     qRot = self.qRot * qe
 595     ob_new.rotation_mode = 'QUATERNION'
 596     ob_new.rotation_quaternion = qRot
 597     ob_new.rotation_mode = 'XYZ'
 598
 599     if (ob_new.display_type == "WIRE") and (self.BrushSolidify is False):
 600         ob_new.hide_viewport = True
 601
 602     if self.BrushSolidify:
 603         ob_new.display_type = "SOLID"
 604         ob_new.show_in_front = False
 605
 606     for o in bpy.context.selected_objects:
 607         UndoAdd(self, "DUPLICATE", o)
 608
 609     if len(bpy.context.selected_objects) > 0:
 610         bpy.ops.object.select_all(action='TOGGLE')
 611     for o in self.all_sel_obj_list:
 612         o.select_set(True)
 613
 614     bpy.context.view_layer.objects.active = self.OpsObj
 615
 616
 617 def update_grid(self, context):
 618     """
 619     Thanks to batFINGER for his help :
 620     source : http://blender.stackexchange.com/questions/55864/multiple-meshes-not-welded-with-pydata
 621     """
 622     verts = []
 623     edges = []
 624     faces = []
 625     numface = 0
 626
 627     if self.nbcol < 1:
 628         self.nbcol = 1
 629     if self.nbrow < 1:
 630         self.nbrow = 1
 631     if self.gapx < 0:
 632         self.gapx = 0
 633     if self.gapy < 0:
 634         self.gapy = 0
 635
 636     # Get the data from the profils or the object
 637     if self.ProfileMode:
 638         brush = bpy.data.objects.new(
 639                     self.Profils[self.nProfil][0],
 640                     bpy.data.meshes[self.Profils[self.nProfil][0]]
 641                     )
 642         obj = bpy.data.objects["CT_Profil"]
 643         obfaces = brush.data.polygons
 644         obverts = brush.data.vertices
 645         lenverts = len(obverts)
 646     else:
 647         brush = bpy.data.objects["CarverBrushCopy"]
 648         obj = context.selected_objects[0]
 649         obverts = brush.data.vertices
 650         obfaces = brush.data.polygons
 651         lenverts = len(brush.data.vertices)
 652
 653     # Gap between each row / column
 654     gapx = self.gapx
 655     gapy = self.gapy
 656
 657     # Width of each row / column
 658     widthx = brush.dimensions.x * self.scale_x
 659     widthy = brush.dimensions.y * self.scale_y
 660
 661     # Compute the corners so the new object will be always at the center
 662     left = -((self.nbcol - 1) * (widthx + gapx)) / 2
 663     start = -((self.nbrow - 1) * (widthy + gapy)) / 2
 664
 665     for i in range(self.nbrow * self.nbcol):
 666         row = i % self.nbrow
 667         col = i // self.nbrow
 668         startx = left + ((widthx + gapx) * col)
 669         starty = start + ((widthy + gapy) * row)
 670
 671         # Add random rotation
 672         if (self.RandomRotation) and not (self.GridScaleX or self.GridScaleY):
 673             rotmat = Matrix.Rotation(math.radians(360 * random.random()), 4, 'Z')
 674             for v in obverts:
 675                 v.co = v.co @ rotmat
 676
 677         verts.extend([((v.co.x - startx, v.co.y - starty, v.co.z)) for v in obverts])
 678         faces.extend([[v + numface * lenverts for v in p.vertices] for p in obfaces])
 679         numface += 1
 680
 681     # Update the mesh
 682     # Create mesh data
 683     mymesh = bpy.data.meshes.new("CT_Profil")
 684     # Generate mesh data
 685     mymesh.from_pydata(verts, edges, faces)
 686     # Calculate the edges
 687     mymesh.update(calc_edges=True)
 688     # Update data
 689     obj.data = mymesh
 690     # Make the object active to remove doubles
 691     context.view_layer.objects.active = obj
 692
 693
 694 def boolean_operation(bool_type="DIFFERENCE"):
 695     ActiveObj = bpy.context.active_object
 696     sel_index = 0 if bpy.context.selected_objects[0] != bpy.context.active_object else 1
 697
 698     # bpy.ops.object.modifier_apply(apply_as='DATA', modifier="CT_SOLIDIFY")
 699     bool_name = "CT_" + bpy.context.selected_objects[sel_index].name
 700     BoolMod = ActiveObj.modifiers.new(bool_name, "BOOLEAN")
 701     BoolMod.object = bpy.context.selected_objects[sel_index]
 702     BoolMod.operation = bool_type
 703     bpy.context.selected_objects[sel_index].display_type = 'WIRE'
 704     while ActiveObj.modifiers.find(bool_name) > 0:
 705         bpy.ops.object.modifier_move_up(modifier=bool_name)
 706
 707
 708 def Rebool(context, self):
 709
 710     target_obj = context.active_object
 711
 712     Brush = context.selected_objects[1]
 713     Brush.display_type = "WIRE"
 714
 715     #Deselect all
 716     bpy.ops.object.select_all(action='TOGGLE')
 717
 718     target_obj.display_type = "SOLID"
 719     target_obj.select_set(True)
 720     bpy.ops.object.duplicate()
 721
 722     rebool_obj = context.active_object
 723
 724     m = rebool_obj.modifiers.new("CT_INTERSECT", "BOOLEAN")
 725     m.operation = "INTERSECT"
 726     m.object = Brush
 727
 728     m = target_obj.modifiers.new("CT_DIFFERENCE", "BOOLEAN")
 729     m.operation = "DIFFERENCE"
 730     m.object = Brush
 731
 732     for mb in target_obj.modifiers:
 733         if mb.type == 'BEVEL':
 734             mb.show_viewport = False
 735
 736     if self.ObjectBrush or self.ProfileBrush:
 737         rebool_obj.show_in_front = False
 738         try:
 739             bpy.ops.object.modifier_apply(apply_as='DATA', modifier="CT_SOLIDIFY")
 740         except:
 741             exc_type, exc_value, exc_traceback = sys.exc_info()
 742             self.report({'ERROR'}, str(exc_value))
 743
 744     if self.dont_apply_boolean is False:
 745         try:
 746             bpy.ops.object.modifier_apply(apply_as='DATA', modifier="CT_INTERSECT")
 747         except:
 748             exc_type, exc_value, exc_traceback = sys.exc_info()
 749             self.report({'ERROR'}, str(exc_value))
 750
 751     bpy.ops.object.select_all(action='TOGGLE')
 752
 753     for mb in target_obj.modifiers:
 754         if mb.type == 'BEVEL':
 755             mb.show_viewport = True
 756
 757     context.view_layer.objects.active = target_obj
 758     target_obj.select_set(True)
 759     if self.dont_apply_boolean is False:
 760         try:
 761             bpy.ops.object.modifier_apply(apply_as='DATA', modifier="CT_DIFFERENCE")
 762         except:
 763             exc_type, exc_value, exc_traceback = sys.exc_info()
 764             self.report({'ERROR'}, str(exc_value))
 765
 766     bpy.ops.object.select_all(action='TOGGLE')
 767
 768     rebool_obj.select_set(True)
 769
 770 def createMeshFromData(self):
 771     if self.Profils[self.nProfil][0] not in bpy.data.meshes:
 772         # Create mesh and object
 773         me = bpy.data.meshes.new(self.Profils[self.nProfil][0])
 774         # Create mesh from given verts, faces.
 775         me.from_pydata(self.Profils[self.nProfil][2], [], self.Profils[self.nProfil][3])
 776         me.validate(verbose=True, clean_customdata=True)
 777         # Update mesh with new data
 778         me.update()
 779
 780     if "CT_Profil" not in bpy.data.objects:
 781         ob = bpy.data.objects.new("CT_Profil", bpy.data.meshes[self.Profils[self.nProfil][0]])
 782         ob.location = Vector((0.0, 0.0, 0.0))
 783
 784         # Link object to scene and make active
 785         bpy.context.collection.objects.link(ob)
 786         bpy.context.view_layer.update()
 787         bpy.context.view_layer.objects.active = ob
 788         ob.select_set(True)
 789         ob.location = Vector((10000.0, 0.0, 0.0))
 790         ob.display_type = "WIRE"
 791
 792         self.SolidifyPossible = True
 793     else:
 794         bpy.data.objects["CT_Profil"].data = bpy.data.meshes[self.Profils[self.nProfil][0]]
 795
 796 def Selection_Save_Restore(self):
 797     if "CT_Profil" in bpy.data.objects:
 798         Selection_Save(self)
 799         bpy.ops.object.select_all(action='DESELECT')
 800         bpy.data.objects["CT_Profil"].select_set(True)
 801         bpy.context.view_layer.objects.active = bpy.data.objects["CT_Profil"]
 802         if bpy.data.objects["CT_Profil"] in self.all_sel_obj_list:
 803             self.all_sel_obj_list.remove(bpy.data.objects["CT_Profil"])
 804         bpy.ops.object.delete(use_global=False)
 805         Selection_Restore(self)
 806
 807 def Selection_Save(self):
 808     obj_name = getattr(bpy.context.active_object, "name", None)
 809     self.all_sel_obj_list = bpy.context.selected_objects.copy()
 810     self.save_active_obj = obj_name
 811
 812
 813 def Selection_Restore(self):
 814     for o in self.all_sel_obj_list:
 815         o.select_set(True)
 816     if self.save_active_obj:
 817         bpy.context.view_layer.objects.active = bpy.data.objects.get(self.save_active_obj, None)
 818
 819 def Snap_Cursor(self, context, event, mouse_pos):
 820     """ Find the closest position on the overlay grid and snap the mouse on it """
 821     # Get the context arguments
 822     region = context.region
 823     rv3d = context.region_data
 824
 825     # Get the VIEW3D area
 826     for i, a in enumerate(context.screen.areas):
 827         if a.type == 'VIEW_3D':
 828             space = context.screen.areas[i].spaces.active
 829
 830     # Get the grid overlay for the VIEW_3D
 831     grid_scale = space.overlay.grid_scale
 832     grid_subdivisions = space.overlay.grid_subdivisions
 833
 834     # Use the grid scale and subdivision to get the increment
 835     increment = (grid_scale / grid_subdivisions)
 836     half_increment = increment / 2
 837
 838     # Convert the 2d location of the mouse in 3d
 839     for index, loc in enumerate(reversed(mouse_pos)):
 840         mouse_loc_3d = region_2d_to_location_3d(region, rv3d, loc, (0, 0, 0))
 841
 842         # Get the remainder from the mouse location and the ratio
 843         # Test if the remainder > to the half of the increment
 844         for i in range(3):
 845             modulo = mouse_loc_3d[i] % increment
 846             if modulo < half_increment:
 847                 modulo = - modulo
 848             else:
 849                 modulo = increment - modulo
 850
 851             # Add the remainder to get the closest location on the grid
 852             mouse_loc_3d[i] = mouse_loc_3d[i] + modulo
 853
 854         # Get the snapped 2d location
 855         snap_loc_2d = location_3d_to_region_2d(region, rv3d, mouse_loc_3d)
 856
 857         # Replace the last mouse location by the snapped location
 858         if len(self.mouse_path) > 0:
 859             self.mouse_path[len(self.mouse_path) - (index + 1) ] = tuple(snap_loc_2d)
 860
 861 def mini_grid(self, context, color):
 862     """ Draw a snap mini grid around the cursor based on the overlay grid"""
 863     # Get the context arguments
 864     region = context.region
 865     rv3d = context.region_data
 866
 867     # Get the VIEW3D area
 868     for i, a in enumerate(context.screen.areas):
 869         if a.type == 'VIEW_3D':
 870             space = context.screen.areas[i].spaces.active
 871             screen_height = context.screen.areas[i].height
 872             screen_width = context.screen.areas[i].width
 873
 874     #Draw the snap grid, only in ortho view
 875     if not space.region_3d.is_perspective :
 876         grid_scale = space.overlay.grid_scale
 877         grid_subdivisions = space.overlay.grid_subdivisions
 878         increment = (grid_scale / grid_subdivisions)
 879
 880         # Get the 3d location of the mouse forced to a snap value in the operator
 881         mouse_coord = self.mouse_path[len(self.mouse_path) - 1]
 882
 883         snap_loc = region_2d_to_location_3d(region, rv3d, mouse_coord, (0, 0, 0))
 884
 885         # Add the increment to get the closest location on the grid
 886         snap_loc[0] += increment
 887         snap_loc[1] += increment
 888
 889         # Get the 2d location of the snap location
 890         snap_loc = location_3d_to_region_2d(region, rv3d, snap_loc)
 891         origin = location_3d_to_region_2d(region, rv3d, (0,0,0))
 892
 893         # Get the increment value
 894         snap_value = snap_loc[0] - mouse_coord[0]
 895
 896         grid_coords = []
 897
 898         # Draw lines on X and Z axis from the cursor through the screen
 899         grid_coords = [
 900         (0, mouse_coord[1]), (screen_width, mouse_coord[1]),
 901         (mouse_coord[0], 0), (mouse_coord[0], screen_height)
 902         ]
 903
 904         # Draw a mlini grid around the cursor to show the snap options
 905         grid_coords += [
 906         (mouse_coord[0] + snap_value, mouse_coord[1] + 25 + snap_value),
 907         (mouse_coord[0] + snap_value, mouse_coord[1] - 25 - snap_value),
 908         (mouse_coord[0] + 25 + snap_value, mouse_coord[1] + snap_value),
 909         (mouse_coord[0] - 25 - snap_value, mouse_coord[1] + snap_value),
 910         (mouse_coord[0] - snap_value, mouse_coord[1] + 25 + snap_value),
 911         (mouse_coord[0] - snap_value, mouse_coord[1] - 25 - snap_value),
 912         (mouse_coord[0] + 25 + snap_value, mouse_coord[1] - snap_value),
 913         (mouse_coord[0] - 25 - snap_value, mouse_coord[1] - snap_value),
 914         ]
 915         draw_shader(self, color, 0.3, 'LINES', grid_coords, size=2)
 916
 917
 918 def draw_shader(self, color, alpha, type, coords, size=1, indices=None):
 919     """ Create a batch for a draw type """
 920     bgl.glEnable(bgl.GL_BLEND)
 921     bgl.glEnable(bgl.GL_LINE_SMOOTH)
 922     if type =='POINTS':
 923         bgl.glPointSize(size)
 924     else:
 925         bgl.glLineWidth(size)
 926     try:
 927         if len(coords[0])>2:
 928             shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
 929         else:
 930             shader = gpu.shader.from_builtin('2D_UNIFORM_COLOR')
 931         batch = batch_for_shader(shader, type, {"pos": coords}, indices=indices)
 932         shader.bind()
 933         shader.uniform_float("color", (color[0], color[1], color[2], alpha))
 934         batch.draw(shader)
 935         bgl.glLineWidth(1)
 936         bgl.glPointSize(1)
 937         bgl.glDisable(bgl.GL_LINE_SMOOTH)
 938         bgl.glDisable(bgl.GL_BLEND)
 939     except:
 940         exc_type, exc_value, exc_traceback = sys.exc_info()
 941         self.report({'ERROR'}, str(exc_value))