diff --git a/scripts/structures/splitter.gd b/scripts/structures/splitter.gd
index fead40d..0b6b705 100644
--- a/scripts/structures/splitter.gd
+++ b/scripts/structures/splitter.gd
@@ -1 +1,32 @@
 extends StructureBehaviour
+
+@onready var inventory: SplitterInventory = structure_parent.inventory
+var split: bool = true
+
+func get_upper_next() -> Vector2:
+	return Vector2.RIGHT.rotated(structure_parent.direction)
+
+func get_down_next() -> Vector2:
+	var base = get_upper_next()
+	return base + base.rotated(PI/2).abs()
+
+func _process(_delta: float) -> void:
+	var transfer_upper = try_transfer(get_upper_next(),false)
+	var transfer_down = try_transfer(get_down_next(),true)
+	if transfer_upper or transfer_down or (not transfer_down and not transfer_upper):
+		split = not split
+
+func try_transfer(point:Vector2,down:bool) -> bool:
+	var next :Structure = structure_parent.get_relative(point)
+	if next == null:
+		return false
+	var array : Array[InventorySlot] = inventory.down_array if split != down else inventory.upper_array
+	var context : InventoryContext = InventoryContext.new(structure_parent,next,to_global(point))
+	for i in range(inventory.capacity):
+		if array[i].amount > 0 and next.inventory.can_add(array[i].held_item,context):
+			var stack = array[i].extract()
+			stack = next.inventory.add(stack,context)
+			array[i].merge_stack(stack)
+			
+			return true
+	return false