优化防御塔伤害来源，注册骑乘工具（暂无功能）

src/main/java/com/atsuishio/superbwarfare/entity/vehicle/LaserTowerEntity.java

@@ -333,7 +333,7 @@ public class LaserTowerEntity extends EnergyVehicleEntity implements GeoEntity,
                     sendParticle(serverLevel, ParticleTypes.LAVA, target.getX(), target.getEyeY(), target.getZ(), 4, 0, 0, 0, 0.15, true);
                 }
 
-                target.hurt(ModDamageTypes.causeLaserStaticDamage(this.level().registryAccess(), getOwner(), getOwner()), (float) 15);
+                target.hurt(ModDamageTypes.causeLaserStaticDamage(this.level().registryAccess(), this, this.getOwner()), (float) 15);
                 target.invulnerableTime = 0;
                 entityData.set(LASER_LENGTH, distanceTo(target));
                 entityData.set(TARGET_UUID, "none");

src/main/java/com/atsuishio/superbwarfare/init/ModItems.java

@@ -172,6 +172,7 @@ public class ModItems {
     public static final RegistryObject<Item> CELL = ITEMS.register("cell", Cell::new);
     public static final RegistryObject<Item> TRANSCRIPT = ITEMS.register("transcript", Transcript::new);
     public static final RegistryObject<Item> FIRING_PARAMETERS = ITEMS.register("firing_parameters", FiringParameters::new);
+    public static final RegistryObject<Item> RIDE_TOOL = ITEMS.register("ride_tool", RideTool::new);
 
     public static final RegistryObject<Item> TUNGSTEN_ROD = ITEMS.register("tungsten_rod", () -> new Item(new Item.Properties()));
     public static final RegistryObject<Item> IRON_BARREL = ITEMS.register("iron_barrel", () -> new Item(new Item.Properties()));

src/main/java/com/atsuishio/superbwarfare/item/RideTool.java

@@ -0,0 +1,9 @@
+package com.atsuishio.superbwarfare.item;
+
+import net.minecraft.world.item.Item;
+
+public class RideTool extends Item {
+    public RideTool() {
+        super(new Properties().stacksTo(1));
+    }
+}