feat(武器系统): 新增可蓄力钢管武器及相关功能

实现钢管武器的蓄力攻击机制，包括：
- 添加 Pipe 武器和 PipeBullet 子弹脚本及场景
- 在 Weapon 类中增加蓄力相关属性和方法
- 修改 Rooster 角色以支持武器蓄力功能
- 添加武器蓄力时间计算和伤害加成逻辑

scripts/Contents/Characters/Rooster.gd

@@ -11,11 +11,8 @@ func register():
 			elif bullet is FoxZhua:
 				EffectController.create(ComponentManager.getEffect("BloodFall"), texture.global_position).shot()
 	)
-	# if !WorldManager.isRelease():
-	# 	getItem({
-	# 		ItemStore.ItemType.BEACHBALL: INF,
-	# 		ItemStore.ItemType.SOUL: INF
-	# 	})
+var chargeStartTime = {}
+
 func ai():
 	texture.play("walk")
 	var direction = Vector2(
@@ -25,17 +22,27 @@ func ai():
 	move(direction)
 	if direction.length() == 0:
 		texture.play("idle")
-	if Input.is_action_pressed("attack"):
-		tryAttack(0)
-	if Input.is_action_pressed("attack2"):
-		tryAttack(1)
-	if Input.is_action_pressed("smallSkill"):
-		tryAttack(2)
-	if Input.is_action_pressed("superSkill"):
-		tryAttack(3)
+	if Input.is_action_just_pressed("attack"):
+		startCharge(0)
+	if Input.is_action_just_released("attack"):
+		endCharge(0)
+	if Input.is_action_just_pressed("attack2"):
+		startCharge(1)
+	if Input.is_action_just_released("attack2"):
+		endCharge(1)
+	if Input.is_action_just_pressed("smallSkill"):
+		startCharge(2)
+	if Input.is_action_just_released("smallSkill"):
+		endCharge(2)
+	if Input.is_action_just_pressed("superSkill"):
+		startCharge(3)
+	if Input.is_action_just_released("superSkill"):
+		endCharge(3)
 	for i in range(3):
-		if Input.is_action_pressed("cardSkill" + str(i)):
-			tryAttack(4 + i)
+		if Input.is_action_just_pressed("cardSkill" + str(i)):
+			startCharge(4 + i)
+		if Input.is_action_just_released("cardSkill" + str(i)):
+			endCharge(4 + i)
 	if Input.is_action_just_pressed("sprint"):
 		trySprint()
 	if Input.is_action_just_pressed("heal"):
@@ -49,3 +56,20 @@ func sprint():
 		Input.get_axis("m_left", "m_right"),
 		Input.get_axis("m_up", "m_down")
 	) * sprintMultiplier, true)
+
+func startCharge(weaponIndex: int):
+	if len(weapons) > weaponIndex:
+		var weapon = weapons[weaponIndex]
+		if weapon.chargable:
+			chargeStartTime[weaponIndex] = Time.get_ticks_msec()
+func endCharge(weaponIndex: int):
+	if chargeStartTime.has(weaponIndex):
+		var startTime = chargeStartTime[weaponIndex]
+		var endTime = Time.get_ticks_msec()
+		var chargedTime = endTime - startTime
+		chargeStartTime.erase(weaponIndex)
+		if len(weapons) > weaponIndex:
+			var weapon = weapons[weaponIndex]
+			if weapon.chargable:
+				weapon.chargedTime = chargedTime
+				tryAttack(weaponIndex)