1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/ParcelId.kt b/src/main/kotlin/io/dico/parcels2/ParcelId.kt
new file mode 100644
index 0000000..951a172
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/ParcelId.kt
@@ -0,0 +1,49 @@
+package io.dico.parcels2
+
+import io.dico.parcels2.util.Vec2i
+import org.bukkit.Bukkit
+import org.bukkit.World
+import java.util.UUID
+
+/**
+ * Used by storage backing options to encompass the identity of a world
+ * Does NOT support equality operator.
+ */
+interface ParcelWorldId {
+    val name: String
+    val uid: UUID?
+    fun equals(id: ParcelWorldId): Boolean = name == name || (uid != null && uid == id.uid)
+
+    val bukkitWorld: World? get() = Bukkit.getWorld(name) ?: uid?.let { Bukkit.getWorld(it) }
+
+    companion object {
+        operator fun invoke(worldName: String, worldUid: UUID?): ParcelWorldId = ParcelWorldIdImpl(worldName, worldUid)
+        operator fun invoke(worldName: String): ParcelWorldId = ParcelWorldIdImpl(worldName, null)
+    }
+}
+
+/**
+ * Used by storage backing options to encompass the location of a parcel
+ * Does NOT support equality operator.
+ */
+interface ParcelId {
+    val worldId: ParcelWorldId
+    val x: Int
+    val z: Int
+    val pos: Vec2i get() = Vec2i(x, z)
+    fun equals(id: ParcelId): Boolean = x == id.x && z == id.z && worldId.equals(id.worldId)
+
+    companion object {
+        operator fun invoke(worldId: ParcelWorldId, pos: Vec2i) = invoke(worldId, pos.x, pos.z)
+        operator fun invoke(worldName: String, worldUid: UUID?, pos: Vec2i) = invoke(worldName, worldUid, pos.x, pos.z)
+        operator fun invoke(worldName: String, worldUid: UUID?, x: Int, z: Int) = invoke(ParcelWorldId(worldName, worldUid), x, z)
+        operator fun invoke(worldId: ParcelWorldId, x: Int, z: Int): ParcelId = ParcelIdImpl(worldId, x, z)
+    }
+}
+
+private class ParcelWorldIdImpl(override val name: String,
+                                override val uid: UUID?) : ParcelWorldId
+
+private class ParcelIdImpl(override val worldId: ParcelWorldId,
+                           override val x: Int,
+                           override val z: Int) : ParcelId