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 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 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)