fix(Characters): 修复KukeChild在masterMine无效时崩溃的问题

refactor(Bullets): 重写Volcano子弹的旋转逻辑和动画
火山子弹现在会跟随鼠标指向，并添加了新的攻击动画

feat(Weapons): 更新Volcano武器的属性和行为
调整伤害、旋转速度等属性，移除多子弹生成逻辑

chore: 为Rooster角色添加Volcano武器

scripts/Contents/Bullets/Volcano.gd

@@ -3,6 +3,12 @@ class_name Volcano
 
 var rotates: float = 0
 
+func register():
+	animator.speed_scale = launcher.fields.get(FieldStore.Entity.ATTACK_SPEED)
 func ai():
-	PresetBulletAI.selfRotate(self, rotates)
 	PresetBulletAI.lockLauncher(self, launcher, true)
+	rotation = lerp_angle(
+		rotation,
+		position.angle_to_point(get_global_mouse_position()),
+		rotates
+	)

scripts/Contents/Characters/KukeChild.gd

@@ -21,4 +21,5 @@ func attack(type):
 	elif type == 1:
 		BulletBase.generate(ComponentManager.getBullet("HeavyCrystal"), self, findWeaponAnchor("normal"), position.angle_to_point(currentFocusedBoss.position))
 func kill():
-	masterMine.tryHeal(100)
+	if is_instance_valid(masterMine):
+		masterMine.tryHeal(100)

scripts/Contents/Weapons/Volcano.gd

@@ -3,14 +3,12 @@ extends Weapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["atk"] += 3 * to * soulLevel
-	origin["count"] = soulLevel + 1
-	origin["rotate"] += 0.05 * to * soulLevel
+	origin["rotate"] += 0.015 * to * soulLevel
 	origin["life"] += 0.1 * to * soulLevel
 	return origin
 func attack(entity: EntityBase):
-	for i in readStore("count"):
-		for j in BulletBase.generate(ComponentManager.getBullet("Volcano"), entity, entity.findWeaponAnchor("normal"), deg_to_rad(360.0 / readStore("count") * i), false, false, true, true):
-			var bullet: Volcano = j
-			bullet.damage = readStore("atk")
-			bullet.rotates = readStore("rotate")
-			bullet.lifeTime = readStore("life") * 1000
+	for j in BulletBase.generate(ComponentManager.getBullet("Volcano"), entity, entity.findWeaponAnchor("normal"), entity.position.angle_to_point(entity.get_global_mouse_position()), false, false, true, true):
+		var bullet: Volcano = j
+		bullet.damage = readStore("atk")
+		bullet.rotates = readStore("rotate")
+		bullet.lifeTime = readStore("life") * 1000