feat(多人游戏): 添加玩家名称存储并优化多人游戏逻辑

在MultiplayerState中添加playerName静态变量用于存储玩家名称
修改Starter.gd中的startMultiplayerGame方法，保存玩家名称到MultiplayerState
优化EntityBase.gd的AI逻辑，仅当玩家名称匹配时才执行AI
移除不再需要的多人游戏同步方法

scripts/Contents/Panels/Starter.gd

@@ -53,11 +53,11 @@ func rebuildAllPlayers(playerNames: Array[String]):
 		addPlayerName(i)
 @rpc("any_peer")
 func startMultiplayerGame():
-	if multiplayer.is_server():
-		for i in getPlayerNames():
-			EntityBase.generatePlayer(i)
-		Wave.next()
-		UIState.closeCurrentPanel()
+	MultiplayerState.playerName = playerNameInput.text
+	for i in getPlayerNames():
+		EntityBase.generatePlayer(i)
+	Wave.next()
+	UIState.closeCurrentPanel()
 
 func _ready():
 	historyStack = Composables.useHistoryStack(playerNameInput)

scripts/Statemachine/EntityBase.gd

@@ -169,13 +169,16 @@ func _physics_process(_delta: float) -> void:
 	else:
 		velocity = Vector2.ZERO
 		if (isPlayer() or is_instance_valid(currentFocusedBoss)) and not charginup and canRunAi:
-			ai()
+			if isPlayer():
+				if MultiplayerState.playerName == displayName:
+					ai()
+			else:
+				ai()
 		elif isSummon():
 			ai()
 	move_and_slide()
 	storeEnergy(randf_range(0.01, 0.05 + fields.get(FieldStore.Entity.ENERGY_REGENERATION) - 1), true)
 	trailParticle.emitting = trailing
-	rpc("syncPosition", displayName, position)
 
 # 通用方法
 func rebuildWeaponIcons():
@@ -394,21 +397,6 @@ func summon(who: PackedScene, syncFields: bool = true, lockValue: bool = true) -
 	get_parent().add_child(instance)
 	return instance
 
-# 多人游戏数据同步
-@rpc("any_peer")
-func syncPosition(player: String, newPosition: Vector2):
-	if player == displayName:
-		position = newPosition
-@rpc("any_peer")
-func syncHealth(player: String, newHealth: float):
-	if player == displayName:
-		health = newHealth
-		healthChanged.emit(health)
-@rpc("any_peer")
-func syncAttack(player: String, index: int):
-	if player == displayName:
-		tryAttack(index)
-
 # 关于追踪
 func getTrackingAnchor() -> Vector2:
 	return hurtbox.get_node("hitbox").global_position

scripts/Tools/Managers/MultiplayerState.gd

@@ -21,6 +21,7 @@ static var stateColorMap = {
 }
 
 static var state: ConnectionState = ConnectionState.DISCONNECTED
+static var playerName: String
 
 static var maxPlayer: int = 10