From 359cc9aa991080b24020d84b89be24ba98131848 Mon Sep 17 00:00:00 2001
From: Duncan Frost <duncans_pumpkin@hotmail.co.uk>
Date: Thu, 29 Jan 2015 17:47:35 +0000
Subject: [PATCH] Add upper bounds

---
 src/world/map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/world/map.c b/src/world/map.c
index d6693ba64c..adc0f219e3 100644
--- a/src/world/map.c
+++ b/src/world/map.c
@@ -88,7 +88,7 @@ void map_element_iterator_restart_for_tile(map_element_iterator *it)
 
 rct_map_element *map_get_first_element_at(int x, int y)
 {
-	if (x < 0 || y < 0)
+	if (x < 0 || y < 0 || x > 255 || y > 255)
 	{ 
 		log_error("Trying to access element outside of range"); 
 		return NULL;