From b0e8d229ee1a0e138302164a38a88b9a3bb13d27 Mon Sep 17 00:00:00 2001
From: glx <glx@openttd.org>
Date: Fri, 29 Jun 2007 00:26:10 +0000
Subject: [PATCH] (svn r10383) [0.5] -Fix (r10373, FS#958): v->z_pos was wrong
 for trains on bridge

---
 train_cmd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/train_cmd.c b/train_cmd.c
index 5d18b49af4..c615c48ffb 100644
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -2749,7 +2749,11 @@ static void TrainEnterStation(Vehicle *v, StationID station)
 static byte AfterSetTrainPos(Vehicle *v, bool new_tile)
 {
 	byte old_z = v->z_pos;
+
+	/* need this hint so it returns the right z coordinate on bridges. */
+	_get_z_hint = old_z;
 	v->z_pos = GetSlopeZ(v->x_pos, v->y_pos);
+	_get_z_hint = 0;
 
 	if (new_tile) {
 		CLRBIT(v->u.rail.flags, VRF_GOINGUP);