feat(属性系统): 添加幸运属性并影响饲料品质概率

添加新的幸运属性(LUCK_VALUE)到实体属性系统中，并修改饲料品质随机权重计算逻辑，使幸运值能够影响高品质饲料的获取概率。同时调整了基础品质权重值，优化了随机分布。

- 在FieldStore中添加LUCK_VALUE枚举和映射
- 在EntityBase中初始化幸运值
- 修改FeedName的weight计算方式，加入幸运值影响因子
- 调整各品质的基础权重值

scripts/Statemachine/EntityBase.gd

@@ -28,6 +28,7 @@ var fields = {
 	FieldStore.Entity.FEED_COUNT_SHOW: 3,
 	FieldStore.Entity.FEED_COUNT_CAN_MADE: 1,
 	FieldStore.Entity.MAX_ENERGY: 200,
+	FieldStore.Entity.LUCK_VALUE: 1
 }
 var inventory = {
 	ItemStore.ItemType.BASEBALL: 100,

scripts/Statemachine/FeedName.gd

@@ -27,11 +27,18 @@ enum Quality {
 	Quality.LEGENDARY: "传说"
 }
 @export var qualityRandomWeight = {
-	Quality.WASTE: 5,
-	Quality.COMMON: 50,
-	Quality.RARE: 10,
-	Quality.EPIC: 5,
-	Quality.LEGENDARY: 1
+	Quality.WASTE: 20,
+	Quality.COMMON: 100,
+	Quality.RARE: 30,
+	Quality.EPIC: 10,
+	Quality.LEGENDARY: 5
+}
+@export var luckInfluence = {
+	Quality.WASTE: - 0.5,
+	Quality.COMMON: - 1,
+	Quality.RARE: 0,
+	Quality.EPIC: 1,
+	Quality.LEGENDARY: 2
 }
 
 @onready var qualityLabel: Label = $"%quality"
@@ -45,5 +52,5 @@ func _physics_process(_delta):
 	nameLabel.text = "[b]%s[/b]" % displayName
 func color():
 	return qualityColorMap[quality] as Color
-func weight() -> float:
-	return qualityRandomWeight[quality]
+func weight(player: EntityBase) -> int:
+	return floor(clamp(qualityRandomWeight[quality] + luckInfluence[quality] * player.fields[FieldStore.Entity.LUCK_VALUE], 1, INF))