pandemonium_engine/modules/paint/addon/actions/Rect.gd

70 lines
1.8 KiB
GDScript

extends GEAction
class_name GERect
var mouse_start_pos = null
func do_action(canvas, data: Array):
.do_action(canvas, data)
if mouse_start_pos == null:
mouse_start_pos = data[0]
#print("init:", mouse_start_pos)
action_data.undo.cells.clear()
action_data.undo.colors.clear()
action_data.preview.cells.clear()
action_data.preview.colors.clear()
canvas.clear_preview_layer()
var p = mouse_start_pos
var s = data[0] - mouse_start_pos
var pixels = GEUtils.get_pixels_in_line(p, p + Vector2(s.x, 0))
pixels += GEUtils.get_pixels_in_line(p, p + Vector2(0, s.y))
pixels += GEUtils.get_pixels_in_line(p + s, p + s + Vector2(0, -s.y))
pixels += GEUtils.get_pixels_in_line(p + s, p + s + Vector2(-s.x, 0))
for pixel in pixels:
if canvas.get_pixel_v(pixel) == null:
continue
if canvas.is_alpha_locked() and canvas.get_pixel_v(pixel) == Color.transparent:
continue
canvas.set_preview_pixel_v(pixel, data[2])
action_data.undo.cells.append(pixel)
action_data.undo.colors.append(canvas.get_pixel_v(pixel))
action_data.preview.cells.append(pixel)
action_data.preview.colors.append(data[2])
func commit_action(canvas):
canvas.clear_preview_layer()
var cells = action_data.preview.cells
var colors = action_data.preview.colors
for idx in range(cells.size()):
canvas.set_pixel_v(cells[idx], colors[idx])
action_data.redo.cells.append(cells[idx])
action_data.redo.colors.append(colors[idx])
mouse_start_pos = null
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])