Work on block visiting.

src/main/kotlin/io/dico/parcels2/Options.kt

@@ -2,6 +2,7 @@ package io.dico.parcels2
 
 
 import com.fasterxml.jackson.annotation.JsonIgnore
+import io.dico.parcels2.blockvisitor.BlockVisitorOptions
 import io.dico.parcels2.storage.Storage
 import io.dico.parcels2.storage.StorageFactory
 import io.dico.parcels2.storage.yamlObjectMapper
@@ -39,7 +40,8 @@ data class WorldOptions(var gameMode: GameMode? = GameMode.CREATIVE,
                         var blockMobSpawning: Boolean = true,
                         var blockedItems: Set<Material> = EnumSet.of(Material.FLINT_AND_STEEL, Material.SNOWBALL),
                         var axisLimit: Int = 10,
-                        var generator: GeneratorOptions = DefaultGeneratorOptions()) {
+                        var generator: GeneratorOptions = DefaultGeneratorOptions(),
+                        var blockVisitor: BlockVisitorOptions = BlockVisitorOptions()) {
 
 }
 

src/main/kotlin/io/dico/parcels2/Parcel.kt

@@ -59,6 +59,7 @@ interface ParcelData : AddedData {
 class Parcel(val world: ParcelWorld, val pos: Vec2i) : ParcelData {
     val id get() = "${pos.x}:${pos.z}"
     val homeLocation get() = world.generator.getHomeLocation(this)
+    private var blockVisitors = 0
 
     val infoString: String
         get() {

src/main/kotlin/io/dico/parcels2/ParcelsPlugin.kt

@@ -9,10 +9,12 @@ import io.dico.parcels2.listener.ParcelListeners
 import io.dico.parcels2.storage.Storage
 import io.dico.parcels2.storage.yamlObjectMapper
 import io.dico.parcels2.util.tryCreate
+import kotlinx.coroutines.experimental.asCoroutineDispatcher
 import org.bukkit.Bukkit
 import org.bukkit.plugin.java.JavaPlugin
 import org.slf4j.LoggerFactory
 import java.io.File
+import java.util.concurrent.Executor
 
 val logger = LoggerFactory.getLogger("ParcelsPlugin")
 private inline val plogger get() = logger
@@ -28,6 +30,8 @@ class ParcelsPlugin : JavaPlugin() {
     private var listeners: ParcelListeners? = null
     private var cmdDispatcher: ICommandDispatcher? = null
 
+    val mainThreadDispatcher = Executor { server.scheduler.runTask(this, it) }.asCoroutineDispatcher()
+
     override fun onEnable() {
         plogger.info("Debug enabled: ${plogger.isDebugEnabled}")
         if (!init()) {

src/main/kotlin/io/dico/parcels2/blockvisitor/BlockVisitor.kt

@@ -0,0 +1,5 @@
+package io.dico.parcels2.blockvisitor
+
+import io.dico.dicore.task.IteratorTask
+
+abstract class BlockVisitor<T>(iterator: Iterator<T>?) : IteratorTask<T>(iterator)

src/main/kotlin/io/dico/parcels2/blockvisitor/BlockVisitorManager.kt

@@ -0,0 +1,52 @@
+package io.dico.parcels2.blockvisitor
+
+import io.dico.parcels2.util.MutableVec3i
+import io.dico.parcels2.util.Region
+import kotlinx.coroutines.experimental.Deferred
+import org.bukkit.block.Block
+import org.bukkit.plugin.Plugin
+import kotlin.coroutines.experimental.SequenceBuilder
+import kotlin.coroutines.experimental.buildIterator
+
+typealias BlockProcessor = (Block) -> Boolean
+
+class BlockVisitorManager(val plugin: Plugin, var options: BlockVisitorOptions) {
+
+
+    fun doOperationSynchronously(region: Region, processor: BlockProcessor): Deferred<Unit> {
+
+
+    }
+
+
+}
+
+class RegionOperation(val region: Region, val processor: BlockProcessor) {
+
+    fun process(maxMillis: Int) {
+
+    }
+
+
+}
+
+enum class RegionTraversal(private val builder: suspend SequenceBuilder<MutableVec3i>.(Region) -> Unit) {
+    XZY({ region ->
+        val origin = region.origin
+        val result = MutableVec3i(origin.x, origin.y, origin.z)
+
+        val size = region.size
+
+        repeat(size.y) { y ->
+            repeat()
+
+            result.y++
+        }
+
+    })
+
+    ;
+
+    fun regionTraverser(region: Region) = Iterable { buildIterator { builder(region) } }
+
+}

src/main/kotlin/io/dico/parcels2/blockvisitor/BlockVisitorOptions.kt

@@ -0,0 +1,3 @@
+package io.dico.parcels2.blockvisitor
+
+data class BlockVisitorOptions(var pauseTicks: Int = 1, var workMillis: Int = 30)

src/main/kotlin/io/dico/parcels2/blockvisitor/Schematic.kt

@@ -0,0 +1,13 @@
+package io.dico.parcels2.blockvisitor
+
+import io.dico.parcels2.util.Vec3i
+import org.bukkit.block.data.BlockData
+
+class Schematic(val origin: Vec3i, val size: Vec3i) {
+    private var data: Array<BlockData>? = null
+
+
+
+
+
+}

src/main/kotlin/io/dico/parcels2/util/Region.kt

@@ -0,0 +1,3 @@
+package io.dico.parcels2.util
+
+data class Region(val origin: Vec3i, val size: Vec3i)

src/main/kotlin/io/dico/parcels2/util/Vec3i.kt

@@ -0,0 +1,13 @@
+package io.dico.parcels2.util
+
+data class Vec3i(
+    val x: Int,
+    val y: Int,
+    val z: Int
+)
+
+data class MutableVec3i(
+    var x: Int,
+    var y: Int,
+    var z: Int
+)