refactor(武器): 调整钢管武器的伤害计算和描述

修改钢管武器的伤害计算公式，使用平方根函数替代线性增长
移除蓄力倍率属性，改为固定值0.1
更新武器描述文本以反映新的伤害机制

components/Weapons/Pipe.tscn

@@ -11,18 +11,11 @@ displayName = "钢管"
 costBeachball = 350
 chargable = true
 store = {
-"atk": 5,
-"charge": 0.1
+"atk": 5
 }
-storeType = {
-"atk": 1,
-"charge": 2
-}
-descriptionTemplate = "按住蓄力扔出钢管，蓄力越久伤害越高，发射钢管后继续按住鼠标可继续蓄力。
-基础伤害：$atk，蓄力倍率：$charge"
+descriptionTemplate = "按住蓄力扔出钢管，蓄力越久伤害越高，至少造成$atk点伤害，发射钢管后继续按住鼠标可进行连续发射。"
 needEnergy = 2.0
 cooldown = 3000.0
-debugRebuild = true
 
 [node name="avatar" parent="container/info" index="0"]
 texture = ExtResource("2_mmtf8")
@@ -37,5 +30,4 @@ count = 350
 displayName = "钢管"
 
 [node name="description" parent="container" index="2"]
-text = "[center]按住蓄力扔出钢管，蓄力越久伤害越高，发射钢管后继续按住鼠标可继续蓄力。
-基础伤害：[color=cyan]5[/color]，蓄力倍率：[color=cyan]10.0%[/color][/center]"
+text = "[center]按住蓄力扔出钢管，蓄力越久伤害越高，至少造成[color=cyan]5[/color]点伤害，发射钢管后继续按住鼠标可进行连续发射。[/center]"

scripts/Contents/Weapons/Pipe.gd

@@ -3,7 +3,6 @@ extends Weapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["atk"] += 1 * to * soulLevel
-	origin["charge"] += 0.05 * (soulLevel - 1)
 	return origin
 func attack(entity: EntityBase):
 	var weaponPos = entity.findWeaponAnchor("normal")
@@ -14,7 +13,7 @@ func attack(entity: EntityBase):
 			weaponPos.angle_to_point(get_global_mouse_position())
 		):
 		if bullet is PipeBullet:
-			var e = charged(readStore("atk"), readStore("charge"))
+			var e = charged(readStore("atk"), 0.1)
 			bullet.baseDamage = e
 			bullet.energy = e
 			bullet.speed = e

scripts/Structs/Weapon.gd

@@ -177,7 +177,7 @@ func tryAttack(entity: EntityBase):
 			entity.useEnergy(needEnergy)
 		return result
 func charged(base: float, percent: float):
-	return base * (1 + chargedTime / 75 * percent)
+	return base * sqrt(1 + chargedTime / 20 * percent)
 
 # 抽象
 func update(_to: int, origin: Dictionary, _entity: EntityBase):