109 lines
3.2 KiB
GDScript
109 lines
3.2 KiB
GDScript
@tool
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extends EditorInspectorPlugin
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const DB_PATH := "res://addons/reedscene/demo/data_base/GLOBAL_SCENE_ID.tres"
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func _can_handle(object) -> bool:
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return object is ReedSceneID
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func _parse_begin(object) -> void:
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var comp := object as ReedSceneID
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var parent := comp.get_parent()
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var scene := parent if parent is ReedScene else null
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var is_scene_valid := scene != null
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var is_scene_saved := false
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if scene != null:
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is_scene_saved = not scene.scene_file_path.is_empty()
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# ==============================
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# 提示文本（状态说明）
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# ==============================
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if not is_scene_valid:
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var warn := Label.new()
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warn.text = "SceneID requires parent to be ReedScene."
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warn.modulate = Color(1, 0.6, 0.4)
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add_custom_control(warn)
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elif not is_scene_saved:
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var warn := Label.new()
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warn.text = "Please save the scene (.tscn) before requesting a Scene ID."
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warn.modulate = Color(1, 0.6, 0.4)
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add_custom_control(warn)
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# ==============================
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# Request 按钮
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# ==============================
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var btn := Button.new()
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btn.text = "Request Scene ID"
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btn.disabled = not (is_scene_valid and is_scene_saved)
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if not btn.disabled:
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btn.pressed.connect(func():
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_open_request_dialog(comp)
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)
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add_custom_control(btn)
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func _open_request_dialog(comp: ReedSceneID) -> void:
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var dialog := SceneIDRequestDialog.new()
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EditorInterface.get_base_control().add_child(dialog)
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dialog.request_confirmed.connect(func(prefix: int):
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_request_with_prefix(comp, prefix)
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dialog.queue_free()
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)
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dialog.popup_centered(Vector2i(420, 160))
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func _request_with_prefix(comp: ReedSceneID, prefix: int) -> void:
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var db := load(DB_PATH) as SceneIDDatabase
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if not db:
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push_error("SceneIDDatabase not found: %s" % DB_PATH)
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return
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# 1) SceneID 节点的父节点才是 Scene
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var scene_node := comp.get_parent()
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if scene_node == null:
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push_error("Request Scene ID failed: ReedSceneID has no parent.")
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return
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# 2) 父节点必须是 ReedScene 或其子类
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if not (scene_node is ReedScene):
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push_error("Request Scene ID failed: parent must be ReedScene (or subclass). Got: %s" % scene_node.get_class())
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return
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# 3) 父节点必须是一个“保存过的场景”，否则拿不到稳定的 path
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var scene_path := scene_node.scene_file_path
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if scene_path.is_empty():
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push_error("Request Scene ID failed: parent scene has no scene_file_path (scene not saved?).")
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return
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# 4) 获取 UID（这里按你的要求，用父节点的 uid）
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# 注意：instance_id 不是跨会话稳定的，如果你未来需要“真正稳定 UID”，建议换成 ResourceUID / GUID
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var uid := ResourceUID.path_to_uid(scene_path)
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# 5) 请求一个可用 ID
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var new_id := db.request_new_id(prefix)
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if new_id < 0:
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push_error("Request Scene ID failed: invalid new_id.")
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return
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# 6) 注册到数据库（使用父节点的 path + uid + id）
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var ok: bool = db.register_scene_id(scene_path, uid, new_id)
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if not ok:
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push_error("Request Scene ID failed: register_scene_id returned false.")
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return
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# 7) 写回组件
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comp.scene_id = new_id
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comp.notify_property_list_changed()
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# 8) 保存数据库资源
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var err := ResourceSaver.save(db, DB_PATH)
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if err != OK:
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push_error("Failed to save SceneIDDatabase: %s (err=%d)" % [DB_PATH, err])
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