feat(游戏内容): 添加猫角色及相关资源

添加新的猫角色，包括角色脚本、音效、贴图和场景配置
修改Wave.gd以包含猫角色生成
调整EntityBase.gd的武器图标重建逻辑
更新部分粒子效果和音效资源

scripts/Contents/Characters/Cat.gd

@@ -0,0 +1,18 @@
+extends EntityBase
+class_name Maodie
+
+func register():
+	fields[FieldStore.Entity.MAX_HEALTH] = 75
+	fields[FieldStore.Entity.MOVEMENT_SPEED] = randf_range(0.5, 0.8)
+	attackCooldownMap[0] = randi_range(2500, 6000)
+	sprintMultiplier = 20
+func ai():
+	PresetEntityAI.follow(self, currentFocusedBoss)
+	tryAttack(0, true)
+func attack(type: int):
+	if type == 0:
+		BulletBase.generate(ComponentManager.getBullet("ChickSprint"), self, position, 0)
+		trySprint()
+	return true
+func sprint():
+	move((currentFocusedBoss.position - position).normalized() * sprintMultiplier, true)

scripts/Contents/Characters/Cat.gd.uid

@@ -0,0 +1 @@
+uid://chmxghslo4kc4

scripts/Contents/Wave.gd

@@ -25,6 +25,7 @@ func duplicate() -> Wave:
 static var current: int = startWith(1)
 static var WAVE_NORMAL = [
 	Wave.create("Hen", 1, 5, false, 0, INF, 1),
+	Wave.create("Cat", 1, 5, false, 0, INF, 1),
 	Wave.create("Chick", 0, 0, true, 9, INF, 15),
 	Wave.create("Bear", 0, 0, true, 19, INF, 10),
 	Wave.create("KukeMC", 0, 0, true, 14, INF, 20),