From 4e2bb34be3f2fab054b625eb8dfc015b3b08a568 Mon Sep 17 00:00:00 2001
From: tron <tron@openttd.org>
Date: Tue, 31 Jan 2006 19:06:02 +0000
Subject: [PATCH] (svn r3498) Fix the edge case for r3419/r3488: when a vehicle
 just enters a tile, the height difference can be 8

---
 vehicle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vehicle.c b/vehicle.c
index 0424b4768f..5c8a275de3 100644
--- a/vehicle.c
+++ b/vehicle.c
@@ -129,7 +129,7 @@ static void *EnsureNoVehicleProcZ(Vehicle *v, void *data)
 	const TileInfo *ti = data;
 
 	if (v->tile != ti->tile || v->type == VEH_Disaster) return NULL;
-	if (!IS_INT_INSIDE(ti->z - v->z_pos, 0, 8)) return NULL;
+	if (!IS_INT_INSIDE(ti->z - v->z_pos, 0, 8 + 1)) return NULL;
 
 	VehicleInTheWayErrMsg(v);
 	return v;