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-rw-r--r--src/ai/api/ai_vehicle.cpp8
1 files changed, 7 insertions, 1 deletions
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;
}