feat(武器系统): 重构链式机枪并添加新武器

- 修改链式机枪的子弹生成逻辑，使用新的锚点系统
- 调整武器属性包括伤害值、冷却时间和能量消耗
- 为公鸡角色添加蘑菇镐和核弹两种新武器
- 优化公鸡角色的攻击输入检测逻辑

scripts/Contents/Bullets/ChainGun.gd

@@ -1,6 +1,9 @@
 extends BulletBase
 
+@onready var anchor: Node2D = $"%anchor"
+
+func spawn():
+	for i in BulletBase.generate(ComponentManager.getBullet("PurpleCrystalSmall"), launcher, anchor.global_position, rotation):
+		i.damage = damage
 func ai():
-	PresetBulletAI.faceToMouse(self)
-func applyDot():
-	pass
+	PresetBulletAI.lockLauncher(self, launcher, true)

scripts/Contents/Characters/Rooster.gd

@@ -15,11 +15,11 @@ func ai():
 		texture.play("idle")
 	if Input.is_action_pressed("attack"):
 		tryAttack(0)
-	elif Input.is_action_pressed("attack2"):
+	if Input.is_action_pressed("attack2"):
 		tryAttack(1)
-	elif Input.is_action_pressed("smallSkill"):
+	if Input.is_action_pressed("smallSkill"):
 		tryAttack(2)
-	elif Input.is_action_pressed("superSkill"):
+	if Input.is_action_pressed("superSkill"):
 		tryAttack(3)
 	for i in range(3):
 		if Input.is_action_pressed("cardSkill" + str(i)):

scripts/Contents/Weapons/ChainGun.gd

@@ -2,9 +2,8 @@
 extends Weapon
 
 func update(to, origin, _entity):
-	origin["atk"] += 1 * to * soulLevel
+	origin["atk"] += 2 * to * soulLevel
 	return origin
 func attack(entity: EntityBase):
-	var weaponPos = entity.findWeaponAnchor("normal")
-	for i in BulletBase.generate(ComponentManager.getBullet("PurpleCrystalSmall"), entity, weaponPos, (get_global_mouse_position() - weaponPos).angle()):
+	for i in BulletBase.generate(ComponentManager.getBullet("ChainGun"), entity, entity.texture.global_position, (get_global_mouse_position() - entity.texture.global_position).angle()):
 		i.damage = readStore("atk")