feat: 添加游戏启动界面和着色器效果

- 新增启动界面背景和logo
- 实现顶部和底部阴影着色器
- 添加难度选择滑块和角色名输入框
- 优化多人游戏按钮交互
- 修复编译提示面板的动画效果
- 更新UI主题样式

scripts/Contents/Panels/CompilingTip.gd

@@ -4,10 +4,11 @@ extends FullscreenPanelBase
 func afterOpen(_args: Array = []):
 	if WorldManager.isRelease():
 		for key in ComponentManager.effects:
-			var effect = EffectController.create(ComponentManager.getEffect(key), Vector2.ZERO, self)
+			var effect = EffectController.create(ComponentManager.getEffect(key), Vector2.ZERO, self )
 			effect.modulate.a = 0.01
 			(effect.sounds.get_node("spawn") as AudioStreamPlayer2D).volume_db = - INF
 			effect.shot()
 		await TickTool.millseconds(3000)
 	await TickTool.frame()
 	UIState.setPanel("SelectInitialFeed")
+	StarterPanel.buildingShader = false

scripts/Contents/Panels/Starter.gd

@@ -1,5 +1,6 @@
 @tool
 extends FullscreenPanelBase
+class_name StarterPanel
 
 @onready var diffEdit: HSlider = $"%diffEdit"
 @onready var startSingleplayerBtn: Button = $"%startSingleplayerBtn"
@@ -18,6 +19,8 @@ var historyStack
 @onready var players: VBoxContainer = $"%players"
 @onready var playersList: VBoxContainer = $"%list"
 
+static var buildingShader: bool = true
+
 @rpc("any_peer")
 func mutexPlayer(player: String):
 	if multiplayer.is_server():
@@ -63,7 +66,7 @@ func startMultiplayerGame():
 func startSingleplayerGame():
 	MultiplayerState.isMultiplayer = false
 	MultiplayerState.playerName = playerNameInput.text
-	EntityBase.generatePlayer(playerNameInput.text)
+	UIState.player = EntityBase.generatePlayer(playerNameInput.text)
 	WorldManager.rootNode.spawnWave(Vector2.ZERO)
 	UIState.setPanel("CompilingTip")
 
@@ -87,8 +90,9 @@ func _ready():
 	)
 	startMultiplayerBtn.pressed.connect(
 		func():
-			startMultiplayerGame.rpc()
-			startMultiplayerGame()
+			# startMultiplayerGame.rpc()
+			# startMultiplayerGame()
+			UIState.showTip("敬请期待！", TipBox.MessageType.ERROR)
 	)
 	maxPlayerInput.text_changed.connect(
 		func(text):
@@ -127,7 +131,7 @@ func setState(state: MultiplayerState.ConnectionState):
 	connectionState.text = "状态：%s" % MultiplayerState.stateTextMap[state]
 	connectionState.modulate = MultiplayerState.stateColorMap[state]
 	disconnectBtn.disabled = not MultiplayerState.isConnected()
-	startMultiplayerBtn.disabled = not MultiplayerState.isConnected() || !multiplayer.is_server()
+	# startMultiplayerBtn.disabled = not MultiplayerState.isConnected() || !multiplayer.is_server()
 	serverConfig.visible = MultiplayerState.state == MultiplayerState.ConnectionState.CONNECTED_HOST
 	players.visible = MultiplayerState.isConnected()
 func addPlayerName(playerName: String):