feat(多人游戏): 实现基础多人游戏功能

- 添加玩家位置同步功能
- 实现服务器和客户端连接管理
- 添加玩家名称输入和生成逻辑
- 完善多人游戏UI界面
- 移除单机模式下的预设玩家角色

scripts/Tools/Managers/MultiplayerState.gd

@@ -9,7 +9,7 @@ enum ConnectionState {
 }
 static var stateTextMap = {
 	ConnectionState.DISCONNECTED: "未连接到服务器。",
-	ConnectionState.CONNECTING: "连接中...",
+	ConnectionState.CONNECTING: "正在连接到服务器...",
 	ConnectionState.CONNECTED_HOST: "服务器启动成功！",
 	ConnectionState.CONNECTED_CLIENT: "已连接到服务器！",
 }
@@ -21,18 +21,17 @@ static var stateColorMap = {
 }
 
 static var state: ConnectionState = ConnectionState.DISCONNECTED
-static var isMultiplayer: bool = false
 
 static var maxPlayer: int = 10
 
 static func isConnected():
 	return [ConnectionState.CONNECTED_HOST, ConnectionState.CONNECTED_CLIENT].has(state)
-static func launchServer(port: int):
+static func launchServer(port: int) -> ENetMultiplayerPeer:
 	var peer = ENetMultiplayerPeer.new()
 	peer.create_server(port, maxPlayer)
 	state = ConnectionState.CONNECTED_HOST
 	return peer
-static func connectClient(host: String, port: int):
+static func connectClient(host: String, port: int) -> ENetMultiplayerPeer:
 	var peer = ENetMultiplayerPeer.new()
 	peer.create_client(host, port)
 	state = ConnectionState.CONNECTED_CLIENT