91 lines
2.9 KiB
GDScript
91 lines
2.9 KiB
GDScript
@tool
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extends PanelContainer
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## Предназначено для отображения диапазонов на горизонтальной шкале
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@export_range(0.0, 1.0) var gap_top: float = 0.05 ## Зазор сверху
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@export_range(0.0, 1.0) var gap_bottom: float = 0.05 ## Зазор снизу
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@export var ranges_group_name: StringName = 'ranges' ## Имя группы для диапазонов
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@export var ranges_save: Dictionary[StringName, Array] ## <имя диапазона>: [диапазон(x - начало, y - конец), цвет]
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@export_file var image_file: String:
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set(val):
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image_file = val
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if is_inside_tree():
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_enter_tree()
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func _enter_tree() -> void:
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if ResourceLoader.exists(image_file):
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$grid/image.texture = load(image_file)
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## Добавляет новый диапазон.
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func set_range(nm: StringName, x0: float, x1: float, col: Color) -> void:
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ranges_save[nm] = [Vector2(x0, x1), col]
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_on_resized()
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func set_range_color(nm: StringName, col: Color):
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if not ranges_save.has(nm):
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push_error('нет такого диапазона: \"%s\"' % nm)
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return false
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ranges_save[nm][1] = col
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var rng: = get_node_or_null(NodePath(nm))
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if not rng:
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push_error('нет такого элемента: \"%s\"' % nm)
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return false
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rng.color = col
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return true
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func clear_ranges():
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var l0 = ranges_save.size()
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ranges_save.clear()
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var l1 = ranges_save.size()
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_on_resized()
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return l1 < l0
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func del_range(nm: StringName) -> bool:
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var rc = ranges_save.erase(nm)
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_on_resized()
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return rc
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func _add_range_view(nm: StringName, x0: float, x1: float, col: Color):
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var rng = Polygon2D.new()
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var canvas_size = $grid/canvas.size
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var point0 = canvas_size * Vector2(x0, gap_bottom) ## лево низ
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var point1 = canvas_size * Vector2(x0, 1.0 - gap_top) ## лево верх
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var point2 = canvas_size * Vector2(x1, 1.0 - gap_top) ## право верх
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var point3 = canvas_size * Vector2(x1, gap_bottom) ## право низ
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rng.polygon = [point0, point1, point2, point3]
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rng.name = nm
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rng.color = col
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$grid/canvas.add_child(rng)
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rng.add_to_group(ranges_group_name)
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## Удаляет заданный диапазон.
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func _del_range_view(nm: StringName) -> void:
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var rng: = $grid/canvas.get_node(NodePath(nm))
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remove_child(rng)
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rng.queue_free()
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func _clear_ranges_view():
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var range_views = get_tree().get_nodes_in_group(ranges_group_name)
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for rng in range_views:
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$grid/canvas.remove_child(rng)
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rng.queue_free()
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func _on_resized() -> void:
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_clear_ranges_view()
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for nm in ranges_save:
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var range_save = ranges_save[nm]
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var rng = range_save[0]
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var col = range_save[1]
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_add_range_view(nm, rng.x, rng.y, col)
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