pandemonium_engine/modules/paint/actions/Brush.gd

48 lines
1.1 KiB
GDScript

extends GEAction
class_name GEBrush
func do_action(canvas: GECanvas, data: Array):
.do_action(canvas, data)
for pixel in GEUtils.get_pixels_in_line(data[0], data[1]):
for off in BrushPrefabs.get_brush(data[3], data[4]):
var p = pixel + off
if p in action_data.undo.cells or canvas.get_pixel_v(p) == null:
continue
if canvas.is_alpha_locked() and canvas.get_pixel_v(p) == Color.transparent:
continue
action_data.undo.colors.append(canvas.get_pixel_v(p))
action_data.undo.cells.append(p)
canvas.set_pixel_v(p, data[2])
action_data.redo.cells.append(p)
action_data.redo.colors.append(data[2])
func commit_action(canvas):
var cells = action_data.redo.cells
var colors = action_data.redo.colors
return []
func undo_action(canvas):
var cells = action_data.undo.cells
var colors = action_data.undo.colors
for idx in range(cells.size()):
canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])
func redo_action(canvas):
var cells = action_data.redo.cells
var colors = action_data.redo.colors
for idx in range(cells.size()):
canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])