feat: 实现IP起始部分的设置，并弃用了isServer变量

scripts/autoload/GameManager.gd

@@ -1,3 +1,4 @@
 extends Node
 
 var data_origin: String = ""
+var ip_begin: String = "192.168."

scripts/autoload/MultiGame.gd

@@ -1,17 +1,14 @@
 extends Node
 
-var isServer: bool
 
-# 基于低级 ENet 多人游戏
+# 基于 ENet 多人游戏
 
 func create_server(player_num: int) -> void:
-	isServer = true
 	var peer = ENetMultiplayerPeer.new()
 	peer.create_server(8989, player_num)
 	multiplayer.multiplayer_peer = peer
 
 func create_client(ip: String) -> void:
-	isServer = false
 	var peer = ENetMultiplayerPeer.new()
 	peer.create_client(ip, 8989)
 	multiplayer.multiplayer_peer = peer

scripts/game/game.gd

@@ -4,7 +4,7 @@ func _ready() -> void:
 	init()
 
 func init() -> void:
-	if MultiGame.isServer:
+	if multiplayer.is_server():
 		$IsServerLabel.text = "房间运行中：您是房主"
 	else:
 		$IsServerLabel.text = "房间运行中：您是房客"
@@ -12,6 +12,6 @@ func init() -> void:
 	var addresses: PackedStringArray = IP.get_local_addresses()
 	var ipaddress: String = ""
 	for address in addresses:
-		if address.substr(0, 8) == "192.168.":
+		if address.substr(0, GameManager.ip_begin.length()) == GameManager.ip_begin:
 			ipaddress = address
 	$IPLabel.text = ipaddress

scripts/settings/settings.gd

@@ -2,9 +2,11 @@ extends Node2D
 
 func _ready() -> void:
 	$DataSetting/LineEdit.text = GameManager.data_origin
+	$IPBeginSetting/LineEdit.text = GameManager.ip_begin
 
 func _on_save_button_pressed() -> void:
 	GameManager.data_origin = $DataSetting/LineEdit.text
+	GameManager.ip_begin = $IPBeginSetting/LineEdit.text
 	SceneManager.goto_scene("main_menu")