fix item tab order

common/src/main/java/io/github/slimeistdev/crystalline_sky/multiloader/ItemGroupRegistrationEvent.java

@@ -11,4 +11,5 @@ public interface ItemGroupRegistrationEvent {
 	ResourceKey<CreativeModeTab> getTab();
 	boolean hasPermissions();
 	void addAfter(ItemLike reference, List<ItemStack> stacks);
+	void addAfter(ItemStack reference, List<ItemStack> stacks);
 }

common/src/main/java/io/github/slimeistdev/crystalline_sky/registry/CrystallineItems.java

@@ -70,7 +70,8 @@ public class CrystallineItems {
 
 			stacks.add(new ItemStack(WEEPING_SKY_LIGHT));
 
-			event.addAfter(Items.LIGHT, stacks);
+			ItemStack light0 = LightBlock.setLightOnStack(new ItemStack(Items.LIGHT), 0);
+			event.addAfter(light0, stacks);
 		}
 	}
 

fabric/src/main/java/io/github/slimeistdev/crystalline_sky/multiloader/fabric/ItemGroupRegistrationEventImpl.java

@@ -36,6 +36,11 @@ public class ItemGroupRegistrationEventImpl implements ItemGroupRegistrationEven
 		entries.addAfter(reference, stacks);
 	}
 
+	@Override
+	public void addAfter(ItemStack reference, List<ItemStack> stacks) {
+		entries.addAfter(reference, stacks);
+	}
+
 	public static void register() {
 		ItemGroupEvents.MODIFY_ENTRIES_ALL.register((tab, entries) -> {
 			CrystallineItems.onItemGroupRegistration(new ItemGroupRegistrationEventImpl(

neoforge/src/main/java/io/github/slimeistdev/crystalline_sky/multiloader/neoforge/ItemGroupRegistrationEventImpl.java

@@ -32,9 +32,13 @@ public class ItemGroupRegistrationEventImpl implements ItemGroupRegistrationEven
 	public void addAfter(ItemLike reference, List<ItemStack> stacks) {
 		// WARN: this is sort of hacky, but it should do for our current use cases
 		ItemStack referenceStack = new ItemStack(reference.asItem());
+		addAfter(referenceStack, stacks);
+	}
 
-		for (ItemStack stack : stacks) {
+	@Override
-			event.insertAfter(referenceStack, stack, PARENT_AND_SEARCH_TABS);
+	public void addAfter(ItemStack reference, List<ItemStack> stacks) {
+		for (int i = stacks.size() - 1; i >= 0; i--) {
+			event.insertAfter(reference, stacks.get(i), PARENT_AND_SEARCH_TABS);
 		}
 	}
 }