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## 法术编辑器停靠面板（@tool）— 策划/开发可视化新增·编辑·删除法术
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## 数据持久化到 res://data/spells.json，游戏运行时由 SpellRegistry 加载
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@tool
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extends VBoxContainer
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const DATA_PATH: String = "res://data/spells.json"
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const TYPE_NAMES: Array = ["ACTION", "MODIFIER", "TRIGGER", "LOGIC"]
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## meta 模板（按类型“插入模板”用）
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const META_TEMPLATES: Dictionary = {
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0: '{ "base_damage": 5.0, "speed": 350.0, "lifetime": 4.0, "radius": 6.0, "damage_type": 0, "shop_cost": 20 }',
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1: '{ "damage_add": 10.0, "shop_cost": 20 }',
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2: '{ "base_damage": 3.0, "speed": 250.0, "lifetime": 4.0, "radius": 6.0, "damage_type": 0, "shop_cost": 30 }',
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3: '{ "logic_op": "every_n_shots", "n": 3, "reg": 0, "shop_cost": 24 }',
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}
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var _spells: Dictionary = {} # { id: {type, display_name, description, element_tags, meta} }
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var _cur_id: String = ""
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# UI 引用
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var _list: ItemList
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var _id_edit: LineEdit
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var _type_opt: OptionButton
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var _name_edit: LineEdit
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var _desc_edit: LineEdit
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var _tags_edit: LineEdit
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var _meta_edit: TextEdit
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var _status: Label
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func _ready() -> void:
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_build_ui()
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_load_data()
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_refresh_list()
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func _build_ui() -> void:
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custom_minimum_size = Vector2(300, 400)
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add_theme_constant_override("separation", 4)
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var title := Label.new()
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title.text = "✨ 法术编辑器"
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title.add_theme_font_size_override("font_size", 16)
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add_child(title)
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# 法术列表
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_list = ItemList.new()
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_list.custom_minimum_size = Vector2(0, 120)
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_list.size_flags_vertical = Control.SIZE_EXPAND_FILL
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_list.item_selected.connect(_on_select)
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add_child(_list)
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var row := HBoxContainer.new()
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add_child(row)
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row.add_child(_btn("➕ 新增", _on_new))
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row.add_child(_btn("⧉ 复制", _on_dup))
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row.add_child(_btn("🗑 删除", _on_delete))
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add_child(HSeparator.new())
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# 表单
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_id_edit = _field("ID（唯一）")
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_type_opt = OptionButton.new()
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for n in TYPE_NAMES:
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_type_opt.add_item(n)
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_labeled("类型", _type_opt)
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_name_edit = _field("显示名（tr 键或文本）")
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_desc_edit = _field("描述（tr 键或文本）")
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_tags_edit = _field("元素标签（逗号分隔，如 tag:water）")
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var meta_lbl := Label.new()
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meta_lbl.text = "meta（JSON，因类型而异）"
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add_child(meta_lbl)
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_meta_edit = TextEdit.new()
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_meta_edit.custom_minimum_size = Vector2(0, 90)
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_meta_edit.placeholder_text = '{ "base_damage": 5.0, ... }'
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add_child(_meta_edit)
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add_child(_btn("插入该类型 meta 模板", _on_template))
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add_child(HSeparator.new())
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var save_row := HBoxContainer.new()
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add_child(save_row)
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save_row.add_child(_btn("✓ 应用到列表", _on_apply))
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save_row.add_child(_btn("💾 保存文件", _on_save_file))
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save_row.add_child(_btn("↻ 重载", func(): _load_data(); _refresh_list(); _set_status("已重载")))
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_status = Label.new()
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_status.add_theme_font_size_override("font_size", 11)
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_status.modulate = Color(0.6, 0.9, 0.6)
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add_child(_status)
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func _btn(text: String, cb: Callable) -> Button:
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var b := Button.new()
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b.text = text
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b.pressed.connect(cb)
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return b
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func _field(placeholder: String) -> LineEdit:
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var le := LineEdit.new()
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le.placeholder_text = placeholder
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add_child(le)
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return le
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func _labeled(label: String, ctrl: Control) -> void:
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var l := Label.new()
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l.text = label
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add_child(l)
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add_child(ctrl)
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# ── 数据 ────────────────────────────────────────────────────
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func _load_data() -> void:
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_spells = {}
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if FileAccess.file_exists(DATA_PATH):
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var parsed = JSON.parse_string(FileAccess.get_file_as_string(DATA_PATH))
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if parsed is Dictionary:
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_spells = parsed
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func _refresh_list() -> void:
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_list.clear()
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var ids: Array = _spells.keys()
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ids.sort()
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for sid in ids:
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var t: int = int(_spells[sid].get("type", 0))
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_list.add_item("[%s] %s" % [TYPE_NAMES[clampi(t, 0, 3)], sid])
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_list.set_item_metadata(_list.item_count - 1, sid)
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func _on_select(idx: int) -> void:
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_cur_id = String(_list.get_item_metadata(idx))
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var d: Dictionary = _spells.get(_cur_id, {})
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_id_edit.text = _cur_id
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_type_opt.selected = clampi(int(d.get("type", 0)), 0, 3)
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_name_edit.text = String(d.get("display_name", ""))
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_desc_edit.text = String(d.get("description", ""))
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_tags_edit.text = ",".join(d.get("element_tags", []))
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_meta_edit.text = JSON.stringify(d.get("meta", {}), " ")
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func _on_apply() -> void:
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var sid: String = _id_edit.text.strip_edges()
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if sid == "":
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_set_status("✗ ID 不能为空", true); return
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var meta = JSON.parse_string(_meta_edit.text)
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if not (meta is Dictionary):
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_set_status("✗ meta 不是合法 JSON 对象", true); return
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var tags: Array = []
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for t in _tags_edit.text.split(",", false):
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var s: String = t.strip_edges()
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if s != "":
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tags.append(s)
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# 改了 ID：移除旧键
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if _cur_id != "" and _cur_id != sid and _spells.has(_cur_id):
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_spells.erase(_cur_id)
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_spells[sid] = {
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"type": _type_opt.selected,
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"display_name": _name_edit.text,
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"description": _desc_edit.text,
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"element_tags": tags,
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"meta": meta,
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}
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_cur_id = sid
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_refresh_list()
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_set_status("✓ 已应用『%s』到列表（记得保存文件）" % sid)
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func _on_save_file() -> void:
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DirAccess.make_dir_recursive_absolute("res://data")
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var f := FileAccess.open(DATA_PATH, FileAccess.WRITE)
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if f:
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f.store_string(JSON.stringify(_spells, " "))
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f.close()
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_set_status("💾 已保存 %d 条法术 → %s" % [_spells.size(), DATA_PATH])
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else:
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_set_status("✗ 写入失败", true)
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func _on_new() -> void:
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var base := "new_spell"
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var sid := base
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var i := 1
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while _spells.has(sid):
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sid = "%s_%d" % [base, i]; i += 1
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_spells[sid] = {"type": 0, "display_name": sid, "description": "",
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"element_tags": [], "meta": JSON.parse_string(META_TEMPLATES[0])}
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_refresh_list()
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_select_id(sid)
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func _on_dup() -> void:
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if _cur_id == "" or not _spells.has(_cur_id):
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return
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var sid := _cur_id + "_copy"
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var i := 1
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while _spells.has(sid):
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sid = "%s_copy%d" % [_cur_id, i]; i += 1
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_spells[sid] = _spells[_cur_id].duplicate(true)
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_refresh_list()
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_select_id(sid)
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func _on_delete() -> void:
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if _cur_id != "" and _spells.has(_cur_id):
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_spells.erase(_cur_id)
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_cur_id = ""
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_refresh_list()
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_set_status("已删除（记得保存文件）")
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func _on_template() -> void:
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_meta_edit.text = String(META_TEMPLATES.get(_type_opt.selected, "{}"))
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func _select_id(sid: String) -> void:
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for i in _list.item_count:
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if String(_list.get_item_metadata(i)) == sid:
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_list.select(i)
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_on_select(i)
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return
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func _set_status(msg: String, is_err: bool = false) -> void:
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if _status:
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_status.text = msg
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_status.modulate = Color(1.0, 0.5, 0.5) if is_err else Color(0.6, 0.9, 0.6)
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