From 89c39c7f9d28345f01cfa3be667efd893f2d32ed Mon Sep 17 00:00:00 2001
From: HolonProduction <holonproduction@gmail.com>
Date: Tue, 18 Jul 2023 17:52:32 +0200
Subject: [PATCH] Fix crash when deleting terrains

---
 scene/resources/tile_set.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scene/resources/tile_set.cpp b/scene/resources/tile_set.cpp
index 19f57dda003..f340573c6a2 100644
--- a/scene/resources/tile_set.cpp
+++ b/scene/resources/tile_set.cpp
@@ -5116,6 +5116,8 @@ void TileData::remove_terrain(int p_terrain_set, int p_index) {
 	if (terrain_set == p_terrain_set) {
 		if (terrain == p_index) {
 			terrain = -1;
+		} else if (terrain > p_index) {
+			terrain -= 1;
 		}
 
 		for (int i = 0; i < 16; i++) {