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@@ -34,24 +34,32 @@ enum VehicleRailFlags {
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VRF_NO_PATH_TO_DESTINATION = 5,
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/* used to mark that electric train engine is allowed to run on normal rail */
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VRF_EL_ENGINE_ALLOWED_NORMAL_RAIL = 6,
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/* used for vehicle var 0xFE bit 8 (toggled each time the train is reversed, accurate for first vehicle only) */
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VRF_TOGGLE_REVERSE = 7,
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/* used to mark a train that can't get a path reservation */
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VRF_TRAIN_STUCK = 8,
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};
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/** Modes for ignoring signals. */
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enum TrainForceProceeding {
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TFP_NONE = 0, ///< Normal operation.
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TFP_STUCK = 1, ///< Proceed till next signal, but ignore being stuck till then. This includes force leaving depots.
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TFP_SIGNAL = 2, ///< Ignore next signal, after the signal ignore being stucked.
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};
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typedef SimpleTinyEnumT<TrainForceProceeding, byte> TrainForceProceedingByte;
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byte FreightWagonMult(CargoID cargo);
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void CheckTrainsLengths();
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void FreeTrainTrackReservation(const Train *v, TileIndex origin = INVALID_TILE, Trackdir orig_td = INVALID_TRACKDIR);
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bool TryPathReserve(Train *v, bool mark_as_stuck = false, bool first_tile_okay = false);
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int GetTrainStopLocation(StationID station_id, TileIndex tile, const Train *v, int *station_ahead, int *station_length);
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/** Variables that are cached to improve performance and such */
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struct TrainCache {
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/* Cached wagon override spritegroup */
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@@ -85,25 +93,25 @@ struct TrainCache {
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* 'Train' is either a loco or a wagon.
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*/
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struct Train : public GroundVehicle<Train, VEH_TRAIN> {
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TrainCache tcache;
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/* Link between the two ends of a multiheaded engine */
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Train *other_multiheaded_part;
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uint16 crash_anim_pos;
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uint16 flags;
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TrackBitsByte track;
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byte force_proceed;
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TrainForceProceedingByte force_proceed;
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RailTypeByte railtype;
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RailTypes compatible_railtypes;
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/** Ticks waiting in front of a signal, ticks being stuck or a counter for forced proceeding through signals. */
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uint16 wait_counter;
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/** We don't want GCC to zero our struct! It already is zeroed and has an index! */
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Train() : GroundVehicle<Train, VEH_TRAIN>() {}
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/** We want to 'destruct' the right class. */
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virtual ~Train() { this->PreDestructor(); }
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friend struct GroundVehicle<Train, VEH_TRAIN>; // GroundVehicle needs to use the acceleration functions defined at Train.
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