From 188210f020c446c6be4f2875cc050793dbbf1964 Mon Sep 17 00:00:00 2001
From: Sollace <sollacea@gmail.com>
Date: Sat, 17 Sep 2022 20:51:38 +0200
Subject: [PATCH] Fix crash when calling the recipe tree builder with one input

---
 .../unicopia/client/gui/spellbook/IngredientTree.java           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/IngredientTree.java b/src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/IngredientTree.java
index 90a6cb1b..96a983b5 100644
--- a/src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/IngredientTree.java
+++ b/src/main/java/com/minelittlepony/unicopia/client/gui/spellbook/IngredientTree.java
@@ -84,7 +84,7 @@ class IngredientTree implements SpellbookRecipe.CraftingTreeBuilder {
         int colWidth = 22;
         int rowHeight = 20;
 
-        int cols = width / colWidth - 1;
+        int cols = Math.max(1, width / colWidth - 1);
         int rows = Math.max(1, (int)Math.ceil((float)entries.size() / cols));
 
         int totalHeight = rowHeight * rows;