feat(初始选择面板): 添加武器选择功能并优化界面布局

- 在初始选择面板中增加武器选择功能
- 添加开始游戏按钮
- 优化界面布局，将标题和选择项分组显示
- 实现选择后自动关闭对应选择区域的功能

components/Scenes/FullscreenPanels/SelectInitialFeed.tscn

@@ -11,17 +11,39 @@ script = ExtResource("2_eugsq")
 [node name="wrapper" parent="content" index="1"]
 theme_override_constants/separation = 40
 
-[node name="title" type="Label" parent="content/wrapper" index="0"]
-layout_mode = 2
-size_flags_horizontal = 4
-text = "在游戏开始前，你可以选择一项初始增益。"
-
-[node name="container" type="ScrollContainer" parent="content/wrapper" index="1"]
+[node name="container" type="ScrollContainer" parent="content/wrapper" index="0"]
 layout_mode = 2
 follow_focus = true
 vertical_scroll_mode = 0
 
-[node name="initialFeedSelection" type="HBoxContainer" parent="content/wrapper/container" index="0"]
+[node name="wrapper" type="VBoxContainer" parent="content/wrapper/container" index="0"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/separation = 10
+alignment = 1
+
+[node name="title1" type="Label" parent="content/wrapper/container/wrapper" index="0"]
 unique_name_in_owner = true
 layout_mode = 2
-alignment = 1
+size_flags_horizontal = 0
+text = "在游戏开始前，你可以选择一项初始增益。"
+
+[node name="initialFeedSelection" type="HBoxContainer" parent="content/wrapper/container/wrapper" index="1"]
+unique_name_in_owner = true
+layout_mode = 2
+
+[node name="title2" type="Label" parent="content/wrapper/container/wrapper" index="2"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 0
+text = "在游戏开始前，你可以选择一个初始武器。"
+
+[node name="initialWeaponSelection" type="HBoxContainer" parent="content/wrapper/container/wrapper" index="3"]
+unique_name_in_owner = true
+layout_mode = 2
+
+[node name="startBtn" type="Button" parent="content/wrapper" index="1"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 4
+text = "开始游戏"

scripts/Contents/Panels/SelectIntialFeed.gd

@@ -2,15 +2,39 @@
 extends FullscreenPanelBase
 
 @onready var initialFeedSelection: HBoxContainer = $%initialFeedSelection
+@onready var initialWeaponSelection: HBoxContainer = $%initialWeaponSelection
+@onready var startBtn: Button = $%startBtn
+@onready var title1: Label = $%title1
+@onready var title2: Label = $%title2
+
+func _ready():
+	startBtn.pressed.connect(func(): UIState.closeCurrentPanel())
 
 func beforeOpen(_args: Array = []):
-	for feed in initialFeedSelection.get_children():
-		feed.queue_free()
+	clearFeeds()
+	clearWeapons()
 	ComponentManager.feeds.shuffle()
 	for feed in ComponentManager.feeds:
 		var card = feed.instantiate() as Feed
-		if card.topic == FeedName.Topic.WEAPON:
-			continue
 		card.freeToBuy = true
-		card.selected.connect(func(_success): UIState.closeCurrentPanel())
-		initialFeedSelection.add_child(card)
+		if card.topic == FeedName.Topic.WEAPON:
+			initialWeaponSelection.add_child(card)
+			card.selected.connect(
+				func(_x):
+					clearWeapons()
+					title2.hide()
+			)
+		else:
+			initialFeedSelection.add_child(card)
+			card.selected.connect(
+				func(_x):
+					clearFeeds()
+					title1.hide()
+			)
+
+func clearFeeds():
+	for feed in initialFeedSelection.get_children():
+		feed.queue_free()
+func clearWeapons():
+	for weapon in initialWeaponSelection.get_children():
+		weapon.queue_free()