def find_face_tile(self, context, event):
if self.tree is None or context.scene.sprytile_ui.use_mouse is True:
return
# get the context arguments
region = context.region
rv3d = context.region_data
coord = event.mouse_region_x, event.mouse_region_y
# get the ray from the viewport and mouse
ray_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
location, normal, face_index, distance = self.raycast_object(context.object, ray_origin, ray_vector)
if location is None:
return
face = self.bmesh.faces[face_index]
grid_id, tile_packed_id, width, height, origin_id = self.get_face_tiledata(face)
if None in {grid_id, tile_packed_id}:
return
tilegrid = sprytile_utils.get_grid(context, grid_id)
if tilegrid is None:
return
texture = sprytile_utils.get_grid_texture(context.object, tilegrid)
if texture is None:
return
paint_setting_layer = self.bmesh.faces.layers.int.get('paint_settings')
if paint_setting_layer is not None:
paint_setting = face[paint_setting_layer]
sprytile_utils.from_paint_settings(context.scene.sprytile_data, paint_setting)
row_size = math.ceil(texture.size[0] / tilegrid.grid[0])
tile_y = math.floor(tile_packed_id / row_size)
tile_x = tile_packed_id % row_size
if event.ctrl:
width = 1
height = 1
elif origin_id > -1:
origin_y = math.floor(origin_id / row_size)
origin_x = origin_id % row_size
tile_x = min(origin_x, tile_x)
tile_y = min(origin_y, tile_y)
if width == 0:
width = 1
if height == 0:
height = 1
context.object.sprytile_gridid = grid_id
tilegrid.tile_selection[0] = tile_x
tilegrid.tile_selection[1] = tile_y
tilegrid.tile_selection[2] = width
tilegrid.tile_selection[3] = height
bpy.ops.sprytile.build_grid_list()
def uv_map_face(context, up_vector, right_vector, tile_xy, origin_xy,
face_index, mesh):
"""UV map the given face"""
if mesh is None:
return None, None
scene = context.scene
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
uv_layer = mesh.loops.layers.uv.verify()
mesh.faces.layers.tex.verify()
if face_index >= len(mesh.faces):
return None, None
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return None, None
face = mesh.faces[face_index]
if face.hide:
return None, None
vert_origin = context.object.matrix_world * face.calc_center_bounds()
verts = []
for loop in face.loops:
vert = loop.vert
verts.append(context.object.matrix_world * vert.co)
uv_verts = get_uv_positions(data, target_img.size, target_grid, up_vector,
right_vector, tile_xy, verts, vert_origin)
if uv_verts is None:
return None, None
apply_uvs(context,
face,
uv_verts,
target_grid,
mesh,
data,
target_img,
tile_xy,
origin_xy=origin_xy,
uv_layer=uv_layer)
return face.index, target_grid
def build_preview(self, context, scene, ray_origin, ray_vector):
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(
scene, False)
# Raycast to the virtual grid
face_position, x_vector, y_vector, plane_cursor = sprytile_utils.raycast_grid(
scene, context, up_vector, right_vector, plane_normal, ray_origin,
ray_vector)
if face_position is None:
return
preview_verts = self.modal.get_build_vertices(face_position, x_vector,
y_vector, up_vector,
right_vector)
# Get the center of the preview verts
vtx_center = Vector((0, 0, 0))
for vtx in preview_verts:
vtx_center += vtx
vtx_center /= len(preview_verts)
rotate_normal = plane_normal
rotation = Quaternion(rotate_normal, data.mesh_rotate)
up_vector = rotation * up_vector
right_vector = rotation * right_vector
up_vector.normalize()
right_vector.normalize()
tile_xy = (target_grid.tile_selection[0],
target_grid.tile_selection[1])
preview_uvs = sprytile_uv.get_uv_positions(data, target_img.size,
target_grid, up_vector,
right_vector, tile_xy,
preview_verts, vtx_center)
self.modal.set_preview_data(preview_verts, preview_uvs)
def build_preview(self, context, scene, ray_origin, ray_vector):
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
# Reset can build flag
self.can_build = False
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
self.modal.clear_preview_data()
return
# If building on base layer, get from current virtual grid
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(
scene, False)
# Building on decal layer, get from face under mouse
if data.work_layer == 'DECAL_1' and data.lock_normal is False:
location, hit_normal, face_index, distance = self.modal.raycast_object(
context.object, ray_origin, ray_vector)
# For decals, if not hitting the object don't draw preview
if hit_normal is None:
self.modal.clear_preview_data()
return
# Do a coplanar check between hit location and cursor
grid_origin = scene.cursor_location.copy()
grid_origin += hit_normal * data.mesh_decal_offset
check_coplanar = distance_point_to_plane(location, grid_origin,
hit_normal)
check_coplanar = abs(check_coplanar) < 0.05
if check_coplanar is False:
self.modal.clear_preview_data()
return
face_up, face_right = self.modal.get_face_up_vector(
context, face_index, 0.4, bias_right=True)
if face_up is not None and face_right is not None:
plane_normal = hit_normal
up_vector = face_up
right_vector = face_right
else:
self.modal.clear_preview_data()
return
rotation = Quaternion(plane_normal, data.mesh_rotate)
up_vector = rotation * up_vector
right_vector = rotation * right_vector
# Raycast to the virtual grid
face_position, x_vector, y_vector, plane_cursor = sprytile_utils.raycast_grid(
scene, context, up_vector, right_vector, plane_normal, ray_origin,
ray_vector)
if face_position is None:
self.modal.clear_preview_data()
return
# Passed can build checks, set flag to true
self.can_build = True
offset_tile_id, offset_grid, coord_min, coord_max = sprytile_utils.get_grid_area(
target_grid.tile_selection[2], target_grid.tile_selection[3],
data.uv_flip_x, data.uv_flip_y)
grid_no_spacing = sprytile_utils.grid_no_spacing(target_grid)
# No spacing in grid, automatically join the preview together
if grid_no_spacing:
origin_coord = face_position + coord_min[0] * x_vector + coord_min[
1] * y_vector
size_x = (coord_max[0] - coord_min[0]) + 1
size_y = (coord_max[1] - coord_min[1]) + 1
size_x *= target_grid.grid[0]
size_y *= target_grid.grid[1]
x_vector *= size_x / target_grid.grid[0]
y_vector *= size_y / target_grid.grid[1]
preview_verts = self.modal.get_build_vertices(
origin_coord, x_vector, y_vector, up_vector, right_vector)
vtx_center = Vector((0, 0, 0))
for vtx in preview_verts:
vtx_center += vtx
vtx_center /= len(preview_verts)
origin_xy = (target_grid.tile_selection[0],
target_grid.tile_selection[1])
preview_uvs = sprytile_uv.get_uv_pos_size(
data, target_img.size, target_grid, origin_xy, size_x, size_y,
up_vector, right_vector, preview_verts, vtx_center)
self.modal.set_preview_data(preview_verts, preview_uvs)
return
# Spaced grids need to be tiled
preview_verts = []
preview_uvs = []
for i in range(len(offset_tile_id)):
grid_offset = offset_grid[i]
tile_offset = offset_tile_id[i]
x_offset = x_vector * grid_offset[0]
y_offset = y_vector * grid_offset[1]
coord_position = face_position + x_offset + y_offset
coord_verts = self.modal.get_build_vertices(
coord_position, x_vector, y_vector, up_vector, right_vector)
# Get the center of the preview verts
vtx_center = Vector((0, 0, 0))
for vtx in coord_verts:
vtx_center += vtx
vtx_center /= len(coord_verts)
# Calculate the tile with offset
tile_xy = (target_grid.tile_selection[0] + tile_offset[0],
target_grid.tile_selection[1] + tile_offset[1])
coord_uvs = sprytile_uv.get_uv_positions(data, target_img.size,
target_grid, up_vector,
right_vector, tile_xy,
coord_verts, vtx_center)
preview_verts.extend(coord_verts)
preview_uvs.extend(coord_uvs)
self.modal.set_preview_data(preview_verts, preview_uvs)
def uv_map_face(context, up_vector, right_vector, tile_xy, face_index, mesh):
"""UV map the given face"""
if mesh is None:
return None, None
scene = context.scene
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
uv_layer = mesh.loops.layers.uv.verify()
mesh.faces.layers.tex.verify()
if face_index >= len(mesh.faces):
return None, None
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return None, None
face = mesh.faces[face_index]
if face.hide:
return None, None
vert_origin = context.object.matrix_world * face.calc_center_bounds()
verts = []
for loop in face.loops:
vert = loop.vert
verts.append(context.object.matrix_world * vert.co)
uv_verts = get_uv_positions(data, target_img.size, target_grid, up_vector,
right_vector, tile_xy, verts, vert_origin)
if uv_verts is None:
return None, None
# Apply the UV positions on the face verts
idx = 0
for loop in face.loops:
loop[uv_layer].uv = uv_verts[idx].xy
idx += 1
# Apply the correct material to the face
mat_idx = context.object.material_slots.find(target_grid.mat_id)
if mat_idx > -1:
face.material_index = mat_idx
# Save the grid and tile ID to the face
grid_layer_id = mesh.faces.layers.int.get('grid_index')
grid_layer_tileid = mesh.faces.layers.int.get('grid_tile_id')
paint_settings_id = mesh.faces.layers.int.get('paint_settings')
if grid_layer_id is None:
grid_layer_id = mesh.faces.layers.int.new('grid_index')
if grid_layer_tileid is None:
grid_layer_tileid = mesh.faces.layers.int.new('grid_tile_id')
if paint_settings_id is None:
paint_settings_id = mesh.faces.layers.int.new('paint_settings')
face = mesh.faces[face_index]
row_size = math.ceil(target_img.size[0] / target_grid.grid[0])
tile_id = (tile_xy[1] * row_size) + tile_xy[0]
paint_settings = sprytile_utils.get_paint_settings(data)
face[grid_layer_id] = grid_id
face[grid_layer_tileid] = tile_id
face[paint_settings_id] = paint_settings
bmesh.update_edit_mesh(obj.data)
mesh.faces.index_update()
return face.index, target_grid
def execute(self, context, scene, ray_origin, ray_vector, is_start):
data = scene.sprytile_data
grid = sprytile_utils.get_grid(context, context.object.sprytile_gridid)
tile_xy = (grid.tile_selection[0], grid.tile_selection[1])
# Get vectors for grid, without rotation
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(
scene,
with_rotation=False
)
# Rotate the vectors
rotation = Quaternion(plane_normal, data.mesh_rotate)
up_vector = rotation * up_vector
right_vector = rotation * right_vector
# Used to move raycast slightly along ray vector
shift_vec = ray_vector.normalized() * 0.001
# raycast grid to get the grid position under the mouse
grid_coord, grid_right, grid_up, plane_pos = sprytile_utils.raycast_grid(
scene, context,
up_vector, right_vector, plane_normal,
ray_origin, ray_vector,
as_coord=True
)
# Record starting position of stroke
if is_start:
self.start_coord = grid_coord
# Not starting, filter out when can build
elif self.start_coord is not None:
tolerance_min = (floor(grid.tile_selection[2] * 0.25),
floor(grid.tile_selection[3] * 0.25))
coord_offset = (
(grid_coord[0] - self.start_coord[0]) % grid.tile_selection[2],
(grid_coord[1] - self.start_coord[1]) % grid.tile_selection[3]
)
if coord_offset[0] > 0 or coord_offset[1] > 0:
return
# Get the area to build
offset_tile_id, offset_grid, coord_min, coord_max = sprytile_utils.get_grid_area(
grid.tile_selection[2],
grid.tile_selection[3],
data.uv_flip_x, data.uv_flip_y
)
# Check if joining multi tile faces
grid_no_spacing = sprytile_utils.grid_no_spacing(grid)
is_single_pixel = sprytile_utils.grid_is_single_pixel(grid)
do_join = is_single_pixel
if do_join is False:
do_join = grid_no_spacing and data.auto_join
# Raycast under mouse
hit_loc, hit_normal, hit_face_idx, hit_dist = self.modal.raycast_object(
context.object, ray_origin, ray_vector)
# Hit a face
if hit_face_idx is not None:
# Determine if face can be painted
plane_hit = intersect_line_plane(ray_origin, ray_origin + ray_vector,
scene.cursor_location, plane_normal)
plane_dist = (plane_hit - ray_origin).magnitude
difference = abs(hit_dist - plane_dist)
# If valid for painting instead of creating…
if difference < 0.01 or hit_dist < plane_dist:
if do_join is False:
return
check_dot = abs(plane_normal.dot(hit_normal))
check_dot -= 1
check_coplanar = distance_point_to_plane(hit_loc, scene.cursor_location, plane_normal)
check_coplanar = abs(check_coplanar) < 0.05
check_dot = abs(check_dot) < 0.05
# Paint if coplanar and dot angle checks out
if check_coplanar and check_dot:
face, verts, uvs, target_grid, data, target_img, tile_xy = tool_paint.ToolPaint.process_preview(
self.modal, context,
scene, hit_face_idx)
sprytile_uv.apply_uvs(context, face, uvs, target_grid,
self.modal.bmesh, data, target_img,
tile_xy, origin_xy=tile_xy)
# Hit a face, that could have been painted, don't do anything else
return
# Build mode with auto join
if do_join:
origin_coord = scene.cursor_location + \
(grid_coord[0] + coord_min[0]) * grid_right + \
(grid_coord[1] + coord_min[1]) * grid_up
self.modal.add_virtual_cursor(origin_coord)
size_x = (coord_max[0] - coord_min[0]) + 1
size_y = (coord_max[1] - coord_min[1]) + 1
size_x *= grid.grid[0]
size_y *= grid.grid[1]
grid_right *= size_x / grid.grid[0]
grid_up *= size_y / grid.grid[1]
verts = self.modal.get_build_vertices(origin_coord,
grid_right, grid_up,
up_vector, right_vector)
face_index = self.modal.create_face(context, verts)
if face_index is None:
return
vtx_center = Vector((0, 0, 0))
for vtx in verts:
vtx_center += vtx
vtx_center /= len(verts)
origin_xy = (grid.tile_selection[0],
grid.tile_selection[1])
target_img = sprytile_utils.get_grid_texture(context.object, grid)
uvs = sprytile_uv.get_uv_pos_size(data, target_img.size, grid,
origin_xy, size_x, size_y,
up_vector, right_vector,
verts, vtx_center)
sprytile_uv.apply_uvs(context, self.modal.bmesh.faces[face_index],
uvs, grid, self.modal.bmesh,
data, target_img, origin_xy)
if data.auto_merge:
threshold = (1 / data.world_pixels) * min(2, grid.grid[0], grid.grid[1])
face = self.modal.bmesh.faces[face_index]
self.modal.merge_doubles(context, face, vtx_center, -plane_normal, threshold)
# Build mode without auto join
else:
virtual_cursor = scene.cursor_location + \
(grid_coord[0] * grid_right) + \
(grid_coord[1] * grid_up)
self.modal.add_virtual_cursor(virtual_cursor)
# Loop through grid coordinates to build
for i in range(len(offset_grid)):
grid_offset = offset_grid[i]
tile_offset = offset_tile_id[i]
grid_pos = [grid_coord[0] + grid_offset[0], grid_coord[1] + grid_offset[1]]
tile_pos = [tile_xy[0] + tile_offset[0], tile_xy[1] + tile_offset[1]]
self.modal.construct_face(context, grid_pos,
tile_pos, tile_xy,
grid_up, grid_right,
up_vector, right_vector, plane_normal,
shift_vec=shift_vec)
def build_preview(self, context, scene, ray_origin, ray_vector):
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(scene, False)
rotation = Quaternion(plane_normal, data.mesh_rotate)
up_vector = rotation * up_vector
right_vector = rotation * right_vector
# Raycast to the virtual grid
face_position, x_vector, y_vector, plane_cursor = sprytile_utils.raycast_grid(
scene, context,
up_vector, right_vector, plane_normal,
ray_origin, ray_vector
)
if face_position is None:
return
offset_tile_id, offset_grid, coord_min, coord_max = sprytile_utils.get_grid_area(
target_grid.tile_selection[2],
target_grid.tile_selection[3],
data.uv_flip_x,
data.uv_flip_y)
grid_no_spacing = sprytile_utils.grid_no_spacing(target_grid)
# No spacing in grid, automatically join the preview together
if grid_no_spacing:
origin_coord = face_position + coord_min[0] * x_vector + coord_min[1] * y_vector
size_x = (coord_max[0] - coord_min[0]) + 1
size_y = (coord_max[1] - coord_min[1]) + 1
size_x *= target_grid.grid[0]
size_y *= target_grid.grid[1]
x_vector *= size_x / target_grid.grid[0]
y_vector *= size_y / target_grid.grid[1]
preview_verts = self.modal.get_build_vertices(origin_coord,
x_vector, y_vector,
up_vector, right_vector)
vtx_center = Vector((0, 0, 0))
for vtx in preview_verts:
vtx_center += vtx
vtx_center /= len(preview_verts)
origin_xy = (target_grid.tile_selection[0],
target_grid.tile_selection[1])
preview_uvs = sprytile_uv.get_uv_pos_size(data, target_img.size, target_grid,
origin_xy, size_x, size_y,
up_vector, right_vector,
preview_verts, vtx_center)
self.modal.set_preview_data(preview_verts, preview_uvs)
return
# Spaced grids need to be tiled
preview_verts = []
preview_uvs = []
for i in range(len(offset_tile_id)):
grid_offset = offset_grid[i]
tile_offset = offset_tile_id[i]
x_offset = x_vector * grid_offset[0]
y_offset = y_vector * grid_offset[1]
coord_position = face_position + x_offset + y_offset
coord_verts = self.modal.get_build_vertices(coord_position, x_vector, y_vector,
up_vector, right_vector)
# Get the center of the preview verts
vtx_center = Vector((0, 0, 0))
for vtx in coord_verts:
vtx_center += vtx
vtx_center /= len(coord_verts)
# Calculate the tile with offset
tile_xy = (target_grid.tile_selection[0] + tile_offset[0],
target_grid.tile_selection[1] + tile_offset[1])
coord_uvs = sprytile_uv.get_uv_positions(data, target_img.size, target_grid,
up_vector, right_vector, tile_xy,
coord_verts, vtx_center)
preview_verts.extend(coord_verts)
preview_uvs.extend(coord_uvs)
self.modal.set_preview_data(preview_verts, preview_uvs)
def process_preview(context, scene, face_index):
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
if target_grid is None:
return None, None, None, None, None, None, None
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return None, None, None, None, None, None, None
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(scene, False)
face_verts = []
mesh = bmesh.from_edit_mesh(context.object.data)
face = mesh.faces[face_index]
for loop in face.loops:
vert = loop.vert
face_verts.append(context.object.matrix_world @ vert.co)
# Get the center of the preview verts
vtx_min = Vector((float('inf'), float('inf'), float('inf')))
vtx_max = Vector((float('-inf'), float('-inf'), float('-inf')))
for vtx in face_verts:
vtx_min.x = min(vtx.x, vtx_min.x)
vtx_min.y = min(vtx.y, vtx_min.y)
vtx_min.z = min(vtx.z, vtx_min.z)
vtx_max.x = max(vtx.x, vtx_max.x)
vtx_max.y = max(vtx.y, vtx_max.y)
vtx_max.z = max(vtx.z, vtx_max.z)
vtx_center = (vtx_min + vtx_max) / 2
rotate_normal = plane_normal
# Recalculate the rotation normal
face_up, face_right = sprytile_modal.VIEW3D_OP_SprytileModalTool.get_face_up_vector(context.object, context, face_index)
if face_up is not None and face_right is not None:
rotate_normal = face_right.cross(face_up)
if face_up is not None:
up_vector = face_up
if face_right is not None:
right_vector = face_right
rotation = Quaternion(rotate_normal, data.mesh_rotate)
up_vector = rotation @ up_vector
right_vector = rotation @ right_vector
up_vector.normalize()
right_vector.normalize()
tile_xy = (target_grid.tile_selection[0], target_grid.tile_selection[1])
offset_tile_id, offset_grid, coord_min, coord_max = sprytile_utils.get_grid_area(
target_grid.tile_selection[2],
target_grid.tile_selection[3],
data.uv_flip_x,
data.uv_flip_y)
size_x = (coord_max[0] - coord_min[0]) + 1
size_y = (coord_max[1] - coord_min[1]) + 1
size_x *= target_grid.grid[0]
size_y *= target_grid.grid[1]
uvs = sprytile_uv.get_uv_pos_size(data, target_img.size, target_grid,
tile_xy, size_x, size_y,
up_vector, right_vector,
face_verts, vtx_center)
return face, face_verts, uvs, target_grid, data, target_img, tile_xy
def uv_map_face(context,
up_vector,
right_vector,
tile_xy,
origin_xy,
face_index,
mesh,
tile_size=(1, 1)):
"""
UV map the given face
:param context:
:param up_vector: World up vector
:param right_vector: World right vector
:param tile_xy: Tile placement XY coordinates
:param origin_xy: Origin XY of tile placement
:param face_index: Face index to UV map
:param mesh:
:param tile_size: Tile units being UV mapped
:return:
"""
if mesh is None:
return None, None
scene = context.scene
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
uv_layer = mesh.loops.layers.uv.verify()
if face_index >= len(mesh.faces):
return None, None
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return None, None
face = mesh.faces[face_index]
if face.hide_viewport:
return None, None
vert_origin = context.object.matrix_world @ face.calc_center_bounds()
verts = []
for loop in face.loops:
vert = loop.vert
verts.append(context.object.matrix_world @ vert.co)
tile_start = [tile_xy[0], tile_xy[1]]
if tile_size[0] > 1 or tile_size[1] > 1:
tile_start[0] -= tile_size[0]
tile_start[1] -= tile_size[1]
size_x = tile_size[0] * target_grid.grid[0]
size_y = tile_size[1] * target_grid.grid[1]
uv_verts = get_uv_pos_size(data, target_img.size, target_grid, tile_start,
size_x, size_y, up_vector, right_vector, verts,
vert_origin)
if uv_verts is None:
return None, None
apply_uvs(context,
face,
uv_verts,
target_grid,
mesh,
data,
target_img,
tile_xy,
origin_xy=origin_xy,
uv_layer=uv_layer)
return face.index, target_grid
def build_preview(self, context, scene, ray_origin, ray_vector):
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(
scene, False)
# Raycast the object
hit_loc, hit_normal, face_index, hit_dist = self.modal.raycast_object(
obj, ray_origin, ray_vector)
# Didn't hit a face, do nothing
if face_index is None:
self.modal.set_preview_data(None, None)
return
preview_verts = []
face = self.modal.bmesh.faces[face_index]
for loop in face.loops:
vert = loop.vert
preview_verts.append(context.object.matrix_world * vert.co)
# Get the center of the preview verts
vtx_center = Vector((0, 0, 0))
for vtx in preview_verts:
vtx_center += vtx
vtx_center /= len(preview_verts)
rotate_normal = plane_normal
# Recalculate the rotation normal
face_up, face_right = self.modal.get_face_up_vector(
context, face_index)
if face_up is not None and face_right is not None:
rotate_normal = face_right.cross(face_up)
if face_up is not None:
up_vector = face_up
if face_right is not None:
right_vector = face_right
rotation = Quaternion(rotate_normal, data.mesh_rotate)
up_vector = rotation * up_vector
right_vector = rotation * right_vector
up_vector.normalize()
right_vector.normalize()
tile_xy = (target_grid.tile_selection[0],
target_grid.tile_selection[1])
preview_uvs = sprytile_uv.get_uv_positions(data, target_img.size,
target_grid, up_vector,
right_vector, tile_xy,
preview_verts, vtx_center)
self.modal.set_preview_data(preview_verts, preview_uvs)
def process_preview(modal, context, scene, face_index):
obj = context.object
data = scene.sprytile_data
grid_id = obj.sprytile_gridid
target_grid = sprytile_utils.get_grid(context, grid_id)
target_img = sprytile_utils.get_grid_texture(obj, target_grid)
if target_img is None:
return None, None, None, None, None, None, None
up_vector, right_vector, plane_normal = sprytile_utils.get_current_grid_vectors(scene, False)
face_verts = []
face = modal.bmesh.faces[face_index]
for loop in face.loops:
vert = loop.vert
face_verts.append(context.object.matrix_world * vert.co)
# Get the center of the preview verts
vtx_center = Vector((0, 0, 0))
for vtx in face_verts:
vtx_center += vtx
vtx_center /= len(face_verts)
rotate_normal = plane_normal
# Recalculate the rotation normal
face_up, face_right = modal.get_face_up_vector(context, face_index)
if face_up is not None and face_right is not None:
rotate_normal = face_right.cross(face_up)
if face_up is not None:
up_vector = face_up
if face_right is not None:
right_vector = face_right
rotation = Quaternion(rotate_normal, data.mesh_rotate)
up_vector = rotation * up_vector
right_vector = rotation * right_vector
up_vector.normalize()
right_vector.normalize()
tile_xy = (target_grid.tile_selection[0], target_grid.tile_selection[1])
offset_tile_id, offset_grid, coord_min, coord_max = sprytile_utils.get_grid_area(
target_grid.tile_selection[2],
target_grid.tile_selection[3],
data.uv_flip_x,
data.uv_flip_y)
size_x = (coord_max[0] - coord_min[0]) + 1
size_y = (coord_max[1] - coord_min[1]) + 1
size_x *= target_grid.grid[0]
size_y *= target_grid.grid[1]
uvs = sprytile_uv.get_uv_pos_size(data, target_img.size, target_grid,
tile_xy, size_x, size_y,
up_vector, right_vector,
face_verts, vtx_center)
return face, face_verts, uvs, target_grid, data, target_img, tile_xy
