From 6bd7987ff3ab45c3d442e9eb19b56cb7d537cf3b Mon Sep 17 00:00:00 2001
From: Celtic Minstrel <celtic.minstrel.ca@some.place>
Date: Wed, 19 Aug 2015 15:42:49 -0400
Subject: [PATCH] Fix ability to edit nonexistent terrain types

---
 src/scenedit/scen.actions.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/scenedit/scen.actions.cpp b/src/scenedit/scen.actions.cpp
index d744b849..124170c8 100644
--- a/src/scenedit/scen.actions.cpp
+++ b/src/scenedit/scen.actions.cpp
@@ -1208,6 +1208,7 @@ static bool handle_terpal_action(location cur_point, bool option_hit) {
 			else {
 				short size_before = scenario.ter_types.size(), pos_before = pal_sbar->getPosition();
 				i += pos_before * 16;
+				if(i > size_before) return true;
 				if(option_hit) {
 					if(i == size_before - 1 && !scenario.is_ter_used(i))
 						scenario.ter_types.pop_back();