Add basic sack util

[no changelog]

1 files changed, 28 insertions, 0 deletions

diff --git a/src/main/kotlin/util/mc/InventoryUtil.kt b/src/main/kotlin/util/mc/InventoryUtil.kt
new file mode 100644
index 0000000..74f7b9f
--- /dev/null
+++ b/src/main/kotlin/util/mc/InventoryUtil.kt
@@ -0,0 +1,28 @@
+package moe.nea.firmament.util.mc
+
+import java.util.Spliterator
+import java.util.Spliterators
+import net.minecraft.inventory.Inventory
+import net.minecraft.item.ItemStack
+
+val Inventory.indices get() = 0 until size()
+val Inventory.iterableView
+	get() = object : Iterable<ItemStack> {
+		override fun spliterator(): Spliterator<ItemStack> {
+			return Spliterators.spliterator(iterator(), size().toLong(), 0)
+		}
+
+		override fun iterator(): Iterator<ItemStack> {
+			return object : Iterator<ItemStack> {
+				var i = 0
+				override fun hasNext(): Boolean {
+					return i < size()
+				}
+
+				override fun next(): ItemStack {
+					if (!hasNext()) throw NoSuchElementException()
+					return getStack(i++)
+				}
+			}
+		}
+	}