be consistent

Author: Allmoz

src/main/java/com/simibubi/create/content/schematics/cannon/SchematicannonBlockEntity.java

@@ -437,6 +437,8 @@ protected void initializePrinter(ItemStack blueprint) {
 		if (!blueprint.hasTag()) {
 			state = State.STOPPED;
 			statusMsg = "schematicInvalid";
+			inventory.setStackInSlot(1, inventory.getStackInSlot(0).copy());
+			inventory.setStackInSlot(0, ItemStack.EMPTY);
 			sendUpdate = true;
 			return;
 		}
@@ -445,6 +447,8 @@ protected void initializePrinter(ItemStack blueprint) {
 			.getBoolean("Deployed")) {
 			state = State.STOPPED;
 			statusMsg = "schematicNotPlaced";
+			inventory.setStackInSlot(1, inventory.getStackInSlot(0).copy());
+			inventory.setStackInSlot(0, ItemStack.EMPTY);
 			sendUpdate = true;
 			return;
 		}
@@ -455,8 +459,8 @@ protected void initializePrinter(ItemStack blueprint) {
 		if (printer.isErrored()) {
 			state = State.STOPPED;
 			statusMsg = "schematicErrored";
-			inventory.setStackInSlot(0, ItemStack.EMPTY);
 			inventory.setStackInSlot(1, new ItemStack(AllItems.EMPTY_SCHEMATIC.get()));
+			inventory.setStackInSlot(0, ItemStack.EMPTY);
 			printer.resetSchematic();
 			sendUpdate = true;
 			return;
@@ -465,8 +469,8 @@ protected void initializePrinter(ItemStack blueprint) {
 		if (printer.isWorldEmpty()) {
 			state = State.STOPPED;
 			statusMsg = "schematicExpired";
-			inventory.setStackInSlot(0, ItemStack.EMPTY);
 			inventory.setStackInSlot(1, new ItemStack(AllItems.EMPTY_SCHEMATIC.get()));
+			inventory.setStackInSlot(0, ItemStack.EMPTY);
 			printer.resetSchematic();
 			sendUpdate = true;
 			return;
@@ -570,8 +574,8 @@ protected boolean grabItemsFromAttachedInventories(ItemRequirement.StackRequirem
 	public void finishedPrinting() {
 		if (replaceMode == ConfigureSchematicannonPacket.Option.REPLACE_EMPTY.ordinal())
 			printer.sendBlockUpdates(level);
-		inventory.setStackInSlot(0, ItemStack.EMPTY);
 		inventory.setStackInSlot(1, new ItemStack(AllItems.EMPTY_SCHEMATIC.get()));
+		inventory.setStackInSlot(0, ItemStack.EMPTY);
 		state = State.STOPPED;
 		statusMsg = "finished";
 		resetPrinter();