feat(UI): 添加编译提示面板并更新启动流程

在启动单机游戏时显示编译提示面板
扩展FullscreenPanelBase增加afterOpen和beforeClose钩子
添加CompilingTip面板相关资源和脚本

scripts/Contents/Panels/CompilingTip.gd

@@ -0,0 +1,5 @@
+@tool
+extends FullscreenPanelBase
+
+func afterOpen(_args: Array = []):
+	UIState.closeCurrentPanel()

scripts/Contents/Panels/CompilingTip.gd.uid

@@ -0,0 +1 @@
+uid://dubab2jnii6et

scripts/Contents/Panels/Starter.gd

@@ -65,7 +65,7 @@ func startSingleplayerGame():
 	MultiplayerState.playerName = playerNameInput.text
 	EntityBase.generatePlayer(playerNameInput.text)
 	WorldManager.rootNode.spawnWave(Vector2.ZERO)
-	UIState.closeCurrentPanel()
+	UIState.setPanel("CompilingTip")
 
 func _ready():
 	historyStack = Composables.useHistoryStack(playerNameInput)

scripts/Statemachine/FullscreenPanelBase.gd

@@ -5,6 +5,7 @@ class_name FullscreenPanelBase
 @onready var animator = $"%animator"
 
 func hidePanel():
+	beforeClose()
 	animator.play("hide")
 	await animator.animation_finished
 	visible = false
@@ -14,9 +15,14 @@ func showPanel(args: Array = []):
 	visible = true
 	animator.play("show")
 	await animator.animation_finished
+	afterOpen(args)
 
 # 钩子
 func beforeOpen(_args: Array = []):
 	pass
+func afterOpen(_args: Array = []):
+	pass
+func beforeClose():
+	pass
 func afterClose():
 	pass