feat(蓝水晶): 添加蓝水晶子弹追踪和分裂功能

为蓝水晶子弹添加追踪开关和速度提升属性
实现命中敌人时概率分裂钻石的功能
添加武器升华选项以增强蓝水晶能力

scripts/Contents/Bullets/BlueCrystal.gd

@@ -2,6 +2,10 @@ extends BulletBase
 class_name BlueCrystalBullet
 
 var tracer: EntityBase = null
+var canTrace: bool = true
+var speedBoost: float = 0
+var splitRate: float = 0
+
 @onready var trail: GPUParticles2D = $%trail
 
 func ai():
@@ -9,12 +13,22 @@ func ai():
 		var tracker = tracer.getTrackingAnchor()
 		var targetAngle = position.angle_to_point(tracker)
 		trail.rotation = - Vector2.from_angle(rotation).angle_to(Vector2.from_angle(targetAngle)) / (speed / initialSpeed)
-		PresetBulletAI.trace(self, tracker, 0.07)
+		if canTrace:
+			PresetBulletAI.trace(self , tracker, 0.07)
 	else:
 		trail.rotation = 0
-	speed += 0.1
-	PresetBulletAI.forward(self, rotation)
+	speed += 0.1 * (1 + speedBoost)
+	PresetBulletAI.forward(self , rotation)
 func destroy(_beacuseMap: bool):
 	var eff = EffectController.create(ComponentManager.getEffect("BlueCrystalExplosion"), global_position)
 	eff.rotation = rotation
 	eff.shot()
+func succeedToHit(_dmg: float, entity: EntityBase):
+	if entity == tracer:
+		canTrace = false
+	if MathTool.rate(splitRate):
+		for diamond in BulletBase.generate(ComponentManager.getBullet("Diamond2"), entity, position, deg_to_rad(randf_range(0, 360))):
+			if diamond is Diamond2Bullet:
+				diamond.baseDamage = baseDamage * 0.8
+				diamond.parent = self
+				diamond.penerate += penerate

scripts/Contents/Weapons/BlueCrystal.gd

@@ -1,18 +1,64 @@
 @tool
 extends Weapon
 
+func sublimateOptions() -> Array[SublimateOption]:
+	return [
+		SublimateOption.new(
+			"晶核提纯",
+			"蓝水晶与钻石伤害+1",
+			func(w: Weapon, _e):
+				w.addStoreExtra("atk", 1),
+			1,
+			CategoryStore.Quality.COMMON
+		),
+		SublimateOption.new(
+			"钻石护盾",
+			"环绕钻石数量+1",
+			func(w: Weapon, _e):
+				w.addStoreExtra("count", 1),
+			1,
+			CategoryStore.Quality.RARE
+		),
+		SublimateOption.new(
+			"贯穿棱镜",
+			"穿透+10%",
+			func(w: Weapon, _e):
+				w.addStoreExtra("penerate", 0.1),
+			1,
+			CategoryStore.Quality.EPIC
+		),
+		SublimateOption.new(
+			"碎晶裂变",
+			"蓝水晶命中敌人时，有8%概率分裂出1颗钻石（伤害-20%）",
+			func(w: Weapon, _e):
+				w.addStoreExtra("splitRate", 0.08),
+			1,
+			CategoryStore.Quality.LEGENDARY
+		),
+		SublimateOption.new(
+			"动能贯穿",
+			"蓝水晶飞行速度+10%",
+			func(w: Weapon, _e):
+				w.addStoreExtra("speed", 0.1),
+			1,
+			CategoryStore.Quality.COMMON
+		),
+	]
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["atk"] += 2 * to * soulLevel
 	origin["count"] = 1 + 1 * soulLevel
 	return origin
 func attack(entity: EntityBase):
-	for i in BulletBase.generate(ComponentManager.getBullet("BlueCrystal"), entity, entity.findWeaponAnchor("normal"), deg_to_rad(randf_range(0, 360))):
-		if i is BlueCrystalBullet:
-			i.tracer = EntityTool.findClosetEntity(get_global_mouse_position(), get_tree(), !entity.isPlayer(), entity.isPlayer())
-			i.baseDamage = readStore("atk")
+	for crystal in BulletBase.generate(ComponentManager.getBullet("BlueCrystal"), entity, entity.findWeaponAnchor("normal"), deg_to_rad(randf_range(0, 360))):
+		if crystal is BlueCrystalBullet:
+			crystal.tracer = EntityTool.findClosetEntity(get_global_mouse_position(), get_tree(), !entity.isPlayer(), entity.isPlayer())
+			crystal.baseDamage = readStore("atk")
+			crystal.penerate += readStoreExtra("penerate")
+			crystal.speedBoost = readStoreExtra("speed")
 			for index in readStore("count"):
-				for j in BulletBase.generate(ComponentManager.getBullet("Diamond2"), entity, i.position, deg_to_rad(360.0 / readStore("count") * index)):
-					if j is Diamond2Bullet:
-						j.baseDamage = readStore("atk")
-						j.parent = i
+				for diamond in BulletBase.generate(ComponentManager.getBullet("Diamond2"), entity, crystal.position, deg_to_rad(360.0 / readStore("count") * index)):
+					if diamond is Diamond2Bullet:
+						diamond.baseDamage = readStore("atk")
+						diamond.parent = crystal
+						diamond.penerate += readStoreExtra("penerate")
 	return true