1 files changed, 30 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/blockvisitor/RegionTraversal.kt b/src/main/kotlin/io/dico/parcels2/blockvisitor/RegionTraversal.kt
new file mode 100644
index 0000000..0e7d217
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/blockvisitor/RegionTraversal.kt
@@ -0,0 +1,30 @@
+package io.dico.parcels2.blockvisitor
+
+import io.dico.parcels2.util.Region
+import io.dico.parcels2.util.Vec3i
+import kotlin.coroutines.experimental.SequenceBuilder
+import kotlin.coroutines.experimental.buildIterator
+
+enum class RegionTraversal(private val builder: suspend SequenceBuilder<Vec3i>.(Region) -> Unit) {
+    XZY({ region ->
+        val origin = region.origin
+        val size = region.size
+
+        repeat(size.y) { y ->
+            repeat(size.z) { z ->
+                repeat(size.x) { x ->
+                    yield(origin.add(x, y, z))
+                }
+            }
+        }
+
+    }),
+
+    ;
+
+    fun regionTraverser(region: Region) = Iterable { buildIterator { builder(region) } }
+
+}
+
+
+