From efd576e195c09a2a8b5155791299ef8886f2ea6d Mon Sep 17 00:00:00 2001
From: Yair Morgenstern <yairm210@hotmail.com>
Date: Mon, 7 Feb 2022 10:43:01 +0200
Subject: [PATCH] Don't display empty civilopedia categories in mods that don't
 have them

---
 core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt b/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt
index 1a09ef6dff..101eee1068 100644
--- a/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt
+++ b/core/src/com/unciv/ui/civilopedia/CivilopediaScreen.kt
@@ -221,7 +221,8 @@ class CivilopediaScreen(
         buttonTable.defaults().pad(10f)
 
         var currentX = 10f  // = padLeft
-        for (categoryKey in categoryToEntries.keys) {
+        for ((categoryKey, entries) in categoryToEntries) {
+            if (entries.isEmpty()) continue
             val icon = if (categoryKey.headerIcon.isNotEmpty()) ImageGetter.getImage(categoryKey.headerIcon) else null
             val button = IconTextButton(categoryKey.label, icon)
             button.addTooltip(categoryKey.key)