Added SerializableWorld

src/main/kotlin/net/axay/kspigot/serialization/serializables/SerializableLocation.kt

@@ -4,11 +4,10 @@ package net.axay.kspigot.serialization.serializables
 
 import net.axay.kspigot.serialization.SpigotSerializable
 import net.axay.kspigot.serialization.SpigotSerializableCompanion
-import org.bukkit.Bukkit
 import org.bukkit.Location
 
 data class SerializableLocation(
-    val world: String?,
+    val world: SerializableWorld?,
     val x: Double,
     val y: Double,
     val z: Double,
@@ -17,9 +16,9 @@ data class SerializableLocation(
 
     companion object : SpigotSerializableCompanion<SerializableLocation>
 
-    constructor(loc: Location) : this(loc.world?.name, loc.x, loc.y, loc.z, SerializableVector(loc.direction))
+    constructor(loc: Location) : this(loc.world?.let { SerializableWorld(it) }, loc.x, loc.y, loc.z, SerializableVector(loc.direction))
 
-    override fun toSpigot() = Location(world?.let { Bukkit.getWorld(world) }, x, y, z)
+    override fun toSpigot() = Location(world?.toSpigot(), x, y, z)
         .apply { direction = this@SerializableLocation.direction.toSpigot() }
 
 }

src/main/kotlin/net/axay/kspigot/serialization/serializables/SerializableWorld.kt

@@ -0,0 +1,21 @@
+@file:Suppress("MemberVisibilityCanBePrivate")
+
+package net.axay.kspigot.serialization.serializables
+
+import net.axay.kspigot.serialization.SpigotSerializable
+import net.axay.kspigot.serialization.SpigotSerializableCompanion
+import org.bukkit.Bukkit
+import org.bukkit.World
+
+class SerializableWorld(
+    val name: String
+) : SpigotSerializable<World> {
+
+    companion object : SpigotSerializableCompanion<World>
+
+    constructor(world: World) : this(world.name)
+
+    override fun toSpigot() = Bukkit.getWorld(name)
+        ?: throw NullPointerException("The world \"$name\" does not exist")
+
+}