mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-25 21:27:30 +01:00
83 lines
2.0 KiB
GDScript
83 lines
2.0 KiB
GDScript
extends GEAction
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class_name GECut
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const selection_color = Color(0.8, 0.8, 0.8, 0.5)
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var mouse_start_pos = null
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var mouse_end_pos = null
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func can_commit() -> bool:
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return false #ugly way of handling a cut
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func do_action(canvas, data: Array):
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.do_action(canvas, data)
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if mouse_start_pos == null:
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mouse_start_pos = data[0]
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mouse_end_pos = data[0]
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action_data.preview.cells.clear()
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action_data.preview.colors.clear()
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canvas.clear_preview_layer()
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var p = mouse_start_pos
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var s = mouse_end_pos - mouse_start_pos
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var pixels = GEUtils.get_pixels_in_line(p, p + Vector2(s.x, 0))
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pixels += GEUtils.get_pixels_in_line(p, p + Vector2(0, s.y))
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pixels += GEUtils.get_pixels_in_line(p + s, p + s + Vector2(0, -s.y))
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pixels += GEUtils.get_pixels_in_line(p + s, p + s + Vector2(-s.x, 0))
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for pixel in pixels:
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canvas.set_preview_pixel_v(pixel, selection_color)
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action_data.preview.cells.append(pixel)
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action_data.preview.colors.append(selection_color)
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func commit_action(canvas):
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canvas.clear_preview_layer()
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var p = mouse_start_pos
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var s = mouse_end_pos - mouse_start_pos
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for x in range(abs(s.x)+1):
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for y in range(abs(s.y)+1):
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var px = x
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var py = y
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if s.x < 0:
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px *= -1
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if s.y < 0:
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py *= -1
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var pos = p + Vector2(px, py)
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var color = canvas.get_pixel(pos.x, pos.y)
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if color == null or color.a == 0.0:
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continue
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action_data.redo.cells.append(pos)
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action_data.redo.colors.append(canvas.get_pixel_v(pos))
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canvas.set_pixel_v(pos, Color.transparent)
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action_data.undo.cells.append(pos)
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action_data.undo.colors.append(Color.transparent)
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return []
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func undo_action(canvas):
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var cells = action_data.undo.cells
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var colors = action_data.undo.colors
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for idx in range(cells.size()):
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canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])
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func redo_action(canvas):
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var cells = action_data.redo.cells
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var colors = action_data.redo.colors
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for idx in range(cells.size()):
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canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])
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