Refactor and improve a lot of the API. Move default implementations into a package. Reformatting.

src/main/kotlin/io/dico/parcels2/defaultimpl/ParcelWorldImpl.kt

@@ -0,0 +1,94 @@
+@file:Suppress("CanBePrimaryConstructorProperty", "UsePropertyAccessSyntax")
+
+package io.dico.parcels2.defaultimpl
+
+import io.dico.parcels2.*
+import io.dico.parcels2.blockvisitor.WorktimeLimiter
+import io.dico.parcels2.storage.Storage
+import org.bukkit.World
+import java.util.UUID
+
+class ParcelWorldImpl private
+constructor(override val world: World,
+            override val generator: ParcelGenerator,
+            override var options: WorldOptions,
+            override val storage: Storage,
+            override val globalAddedData: GlobalAddedDataManager,
+            containerFactory: ParcelContainerFactory,
+            blockManager: ParcelBlockManager)
+    : ParcelWorld,
+      ParcelWorldId,
+      ParcelContainer, // missing delegation
+      ParcelLocator, // missing delegation
+      ParcelBlockManager by blockManager {
+    override val id: ParcelWorldId get() = this
+    override val uid: UUID? get() = world.uid
+
+    init {
+        if (generator.world != world) {
+            throw IllegalArgumentException()
+        }
+    }
+
+    override val name: String = world.name!!
+    override val container: ParcelContainer = containerFactory(this)
+    override val locator: ParcelLocator = generator.makeParcelLocator(container)
+    override val blockManager: ParcelBlockManager = blockManager
+
+    init {
+        enforceOptions()
+    }
+
+    fun enforceOptions() {
+        if (options.dayTime) {
+            world.setGameRuleValue("doDaylightCycle", "false")
+            world.setTime(6000)
+        }
+
+        if (options.noWeather) {
+            world.setStorm(false)
+            world.setThundering(false)
+            world.weatherDuration = Integer.MAX_VALUE
+        }
+
+        world.setGameRuleValue("doTileDrops", "${options.doTileDrops}")
+    }
+
+    /*
+    Interface delegation needs to be implemented manually because JetBrains has yet to fix it.
+     */
+
+    companion object {
+        // Use this to be able to delegate blockManager and assign it to a property too, at least.
+        operator fun invoke(world: World,
+                            generator: ParcelGenerator,
+                            options: WorldOptions,
+                            storage: Storage,
+                            globalAddedData: GlobalAddedDataManager,
+                            containerFactory: ParcelContainerFactory,
+                            worktimeLimiter: WorktimeLimiter): ParcelWorldImpl {
+            val blockManager = generator.makeParcelBlockManager(worktimeLimiter)
+            return ParcelWorldImpl(world, generator, options, storage, globalAddedData, containerFactory, blockManager)
+        }
+    }
+
+    // ParcelLocator interface
+    override fun getParcelAt(x: Int, z: Int): Parcel? {
+        return locator.getParcelAt(x, z)
+    }
+
+    override fun getParcelIdAt(x: Int, z: Int): ParcelId? {
+        return locator.getParcelIdAt(x, z)
+    }
+
+    // ParcelContainer interface
+    override fun getParcelById(x: Int, z: Int): Parcel? {
+        return container.getParcelById(x, z)
+    }
+
+    override fun nextEmptyParcel(): Parcel? {
+        return container.nextEmptyParcel()
+    }
+
+
+}