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@ -717,14 +717,9 @@ int32 CmdWantEnginePreview(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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}
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// Determine if an engine type is a wagon (and not a loco)
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bool isWagon(byte index)
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static bool IsWagon(byte index)
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{
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if (index < NUM_TRAIN_ENGINES) {
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const RailVehicleInfo *rvi = &_rail_vehicle_info[index];
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if(rvi->flags & RVI_WAGON)
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return true;
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}
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return false;
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return index < NUM_TRAIN_ENGINES && RailVehInfo(index)->flags & RVI_WAGON;
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}
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static void NewVehicleAvailable(Engine *e)
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@ -765,7 +760,7 @@ static void NewVehicleAvailable(Engine *e)
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e->player_avail = (byte)-1;
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// Do not introduce new rail wagons
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if(isWagon(index))
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if (IsWagon(index))
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return;
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// make maglev / monorail available
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@ -805,7 +800,7 @@ void EnginesMonthlyLoop()
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e->flags |= ENGINE_INTRODUCING;
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// Do not introduce new rail wagons
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if(!isWagon(e - _engines))
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if (!IsWagon(e - _engines))
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e->preview_player = 1; // Give to the player with the highest rating.
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}
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}
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