77 lines
2.1 KiB
GDScript
77 lines
2.1 KiB
GDScript
extends SS2D_Action
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class_name SS2D_ActionDeletePoints
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var _invert_orientation: SS2D_ActionInvertOrientation
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var _close_shape: SS2D_ActionCloseShape
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var _shape: SS2D_Shape
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var _keys: PackedInt32Array
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var _indicies: PackedInt32Array
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var _points: Array[SS2D_Point] = []
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var _constraints: Array[Dictionary]
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var _was_closed: bool
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var _commit_update: bool
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func _init(shape: SS2D_Shape, keys: PackedInt32Array, commit_update: bool = true) -> void:
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_shape = shape
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_invert_orientation = SS2D_ActionInvertOrientation.new(shape)
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_close_shape = SS2D_ActionCloseShape.new(shape)
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_commit_update = commit_update
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# FIXME?: Why save constraints here but points in do()?
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for k in keys:
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add_point_to_delete(k)
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func get_name() -> String:
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return "Delete Points %s" % [_keys]
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func do() -> void:
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var pa := _shape.get_point_array()
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pa.begin_update()
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_was_closed = pa.is_shape_closed()
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var first_run := _points.size() == 0
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for k in _keys:
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if first_run:
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_indicies.append(pa.get_point_index(k))
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_points.append(pa.get_point(k))
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pa.remove_point(k)
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if _was_closed:
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_close_shape.do()
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_invert_orientation.do()
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if _commit_update:
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pa.end_update()
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func undo() -> void:
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var pa := _shape.get_point_array()
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pa.begin_update()
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_invert_orientation.undo()
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if _was_closed:
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_close_shape.undo()
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for i in range(_keys.size()-1, -1, -1):
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pa.add_point_object(_points[i], _indicies[i], _keys[i])
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# Restore point constraints.
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for i in range(_keys.size()-1, -1, -1):
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for tuple: Vector2i in _constraints[i]:
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pa.set_constraint(tuple[0], tuple[1], _constraints[i][tuple])
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pa.end_update()
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func add_point_to_delete(key: int) -> void:
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_keys.push_back(key)
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var constraints := _shape.get_point_array().get_point_constraints(key)
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# Save point constraints.
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_constraints.append(constraints)
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for tuple: Vector2i in constraints:
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var constraint: SS2D_Point_Array.CONSTRAINT = constraints[tuple]
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if constraint == SS2D_Point_Array.CONSTRAINT.NONE:
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continue
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var key_other := SS2D_IndexTuple.get_other_value(tuple, key)
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if constraint & SS2D_Point_Array.CONSTRAINT.ALL:
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if not _keys.has(key_other):
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add_point_to_delete(key_other)
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