feat(战斗系统): 优化Kernyr角色的攻击逻辑和碰撞形状

- 将Yangyi子弹的碰撞形状从矩形改为圆形
- 为EntityBase添加攻击互斥状态管理
- 调整Kernyr的攻击冷却时间和互斥规则
- 重写Kernyr的AI攻击逻辑和特殊攻击2的实现

scripts/Statemachine/EntityBase.gd

@@ -59,6 +59,8 @@ var attackCooldownMap = {
 var attackCooldowner = {
 	0: CooldownTimer.new()
 }
+var attackMutexes: Array[int] = []
+var attackingStates: Array[int] = []
 var inventory = {
 	ItemStore.ItemType.BASEBALL: 200,
 	ItemStore.ItemType.BASKETBALL: 200,
@@ -340,12 +342,19 @@ func tryAttack(type: int, needChargeUp: bool = false):
 			charginup = true
 			await EffectController.create(ComponentManager.getEffect("AttackStar"), damageAnchor.global_position).shot()
 			charginup = false
+		for attackingState in attackingStates:
+			if attackingState in attackMutexes:
+				return false
 		if isPlayer() and !isSummon():
+			attackingStates.append(type)
 			if await weapon.tryAttack(self ):
 				weapon.playSound("attack")
+			attackingStates.erase(type)
 		else:
+			attackingStates.append(type)
 			if await attack(type):
 				playSound("attack" + str(type))
+			attackingStates.erase(type)
 	return state
 func trySprint():
 	trailing = true