From 47cdbe4a20ef0ab9f2d7108d51b501305ac4d401 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Sat, 24 Jan 2009 14:26:48 +0000
Subject: (svn r15255) -Fix (r15027): AIVehicle::GetLength() returned only the
 length of the first part of articulated road vehicles.

---
 src/ai/api/ai_vehicle.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/ai/api/ai_vehicle.cpp')

diff --git a/src/ai/api/ai_vehicle.cpp b/src/ai/api/ai_vehicle.cpp
index ec5d42f65..197b558b8 100644
--- a/src/ai/api/ai_vehicle.cpp
+++ b/src/ai/api/ai_vehicle.cpp
@@ -47,7 +47,13 @@
 
 	const Vehicle *v = ::GetVehicle(vehicle_id);
 	switch (v->type) {
-		case VEH_ROAD: return v->u.road.cached_veh_length;
+		case VEH_ROAD: {
+			uint total_length = 0;
+			for (const Vehicle *u = v; u != NULL; u = u->Next()) {
+				total_length += u->u.road.cached_veh_length;
+			}
+			return total_length;
+		}
 		case VEH_TRAIN: return v->u.rail.cached_total_length;
 		default: return -1;
 	}
-- 
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