feat(UI): 添加物品收集显示功能

- 新增CameraManager脚本用于相机管理
- 在UI场景中添加物品收集容器VBoxContainer
- 扩展ItemShow类支持生成物品显示实例
- 修改EntityBase添加物品收集信号和处理逻辑
- 调整BossBar位置和布局属性

components/Scenes/UI.tscn

@@ -118,3 +118,18 @@ text = "100.0"
 unique_name_in_owner = true
 custom_minimum_size = Vector2(0, 5)
 layout_mode = 2
+
+[node name="itemCollect" type="VBoxContainer" parent="root"]
+unique_name_in_owner = true
+layout_mode = 1
+anchors_preset = -1
+anchor_left = 0.05
+anchor_top = 0.85
+anchor_right = 0.15
+anchor_bottom = 0.95
+offset_left = 0.399998
+offset_top = 45.2
+offset_right = -80.8
+offset_bottom = 0.400024
+grow_vertical = 0
+theme_override_constants/separation = 10

components/Scenes/World.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=5 format=3 uid="uid://dmxi1ikn6avig"]
+[gd_scene load_steps=6 format=3 uid="uid://dmxi1ikn6avig"]
 
 [ext_resource type="Script" path="res://scripts/Tools/WorldManager.gd" id="1_lxsxj"]
 [ext_resource type="PackedScene" uid="uid://dfwg750a47ggx" path="res://components/Scenes/UI.tscn" id="2_04cdd"]
 [ext_resource type="PackedScene" uid="uid://bm7ymrri6pykb" path="res://components/Characters/Rooster.tscn" id="3_5ui6q"]
+[ext_resource type="Script" path="res://scripts/Tools/CameraManager.gd" id="5_mk7bv"]
 [ext_resource type="Texture2D" uid="uid://ckk8kahhof06u" path="res://resources/maps/Castle 2.png" id="6_p0nkj"]
 
 [node name="world" type="Node2D"]
@@ -24,3 +25,4 @@ process_mode = 3
 position = Vector2(0, -100)
 process_callback = 0
 position_smoothing_enabled = true
+script = ExtResource("5_mk7bv")

components/UI/BossBar.tscn

@@ -27,9 +27,9 @@ anchor_left = 0.2
 anchor_top = 1.0
 anchor_right = 0.8
 anchor_bottom = 1.0
-offset_top = -40.0
+offset_top = -65.0
 offset_right = 0.0
-offset_bottom = -20.0
+offset_bottom = -40.0
 grow_horizontal = 2
 grow_vertical = 0
 
@@ -48,19 +48,16 @@ layout_mode = 2
 [node name="name" type="Label" parent="health/panel/label"]
 unique_name_in_owner = true
 layout_mode = 2
-size_flags_vertical = 8
 text = "BossName"
 label_settings = SubResource("LabelSettings_esyuk")
 
 [node name="value" type="Label" parent="health/panel/label"]
 unique_name_in_owner = true
 layout_mode = 2
-size_flags_vertical = 8
 text = "percent"
 label_settings = SubResource("LabelSettings_esyuk")
 
 [node name="percent" type="Label" parent="health/panel/label"]
 layout_mode = 2
-size_flags_vertical = 8
 text = "%"
 label_settings = SubResource("LabelSettings_esyuk")

scripts/Statemachine/EntityBase.gd

@@ -7,6 +7,8 @@ signal healthChanged(health: float)
 
 signal energyChanged(energy: float)
 
+signal itemCollected(itemType: ItemStore.ItemType, amount: int)
+
 var fields = {
 	FieldStore.Entity.MAX_HEALTH: 100,
 	FieldStore.Entity.DAMAGE_MULTIPILER: 1,
@@ -72,6 +74,7 @@ func _ready():
 				if body is ItemDropped:
 					inventory[body.item] += body.stackCount
 					playSound("collect")
+					itemCollected.emit(body.item, body.stackCount)
 					body.queue_free()
 		)
 		energyChanged.connect(
@@ -79,6 +82,10 @@ func _ready():
 				UIState.energyPercent.maxValue = fields.get(FieldStore.Entity.MAX_ENERGY)
 				UIState.energyPercent.setCurrent(newEnergy)
 		)
+		itemCollected.connect(
+			func(itemType, amount):
+				UIState.itemCollect.add_child(ItemShow.generate(itemType, amount))
+		)
 	else:
 		currentFocusedBoss = get_tree().get_nodes_in_group("players")[0]
 	healthChanged.emit(health)

scripts/Statemachine/ItemShow.gd

@@ -11,3 +11,9 @@ class_name ItemShow
 func _physics_process(_delta):
 	avatarTexture.texture = ItemStore.getTexture(type)
 	countLabel.text = str(count)
+
+static func generate(itemType: ItemStore.ItemType, itemCount: int = 1):
+	var item = preload("res://components/UI/ItemShow.tscn").instantiate()
+	item.type = itemType
+	item.count = itemCount
+	return item

scripts/Statemachine/UIState.gd

@@ -13,11 +13,13 @@ static var bossbar: EntityStateBar
 static var currentPanel: FullscreenPanelBase = null
 static var panels: Control
 static var energyPercent: ColorBar
+static var itemCollect: VBoxContainer
 
 func _ready():
 	bossbar = $"%bossbar"
 	panels = $"%panels"
 	energyPercent = $"%percent"
+	itemCollect = $"%itemCollect"
 func _process(_delta):
 	bossbar.visible = !!bossbar.entity
 func _physics_process(_delta):

scripts/Tools/CameraManager.gd

@@ -0,0 +1 @@
+extends Camera2D