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-rw-r--r--src/station_base.h73
1 files changed, 64 insertions, 9 deletions
diff --git a/src/station_base.h b/src/station_base.h
index fe3b74b19..dcfc51418 100644
--- a/src/station_base.h
+++ b/src/station_base.h
@@ -29,12 +29,44 @@ static const byte INITIAL_STATION_RATING = 175;
struct GoodsEntry {
/** Status of this cargo for the station. */
enum GoodsEntryStatus {
- GES_ACCEPTANCE, ///< This cargo is currently being accepted by the station.
- GES_PICKUP, ///< This cargo has been picked up at this station at least once.
- GES_EVER_ACCEPTED, ///< The cargo has been accepted at least once.
- GES_LAST_MONTH, ///< The cargo was accepted last month.
- GES_CURRENT_MONTH, ///< The cargo was accepted this month.
- GES_ACCEPTED_BIGTICK, ///< The cargo has been accepted since the last periodic processing.
+ /**
+ * Set when the station accepts the cargo currently for final deliveries.
+ * It is updated every STATION_ACCEPTANCE_TICKS ticks by checking surrounding tiles for acceptance >= 8/8.
+ */
+ GES_ACCEPTANCE,
+
+ /**
+ * Set when the cargo was ever waiting at the station.
+ * It is set when cargo supplied by surrounding tiles is moved to the station, or when
+ * arriving vehicles unload/transfer cargo without it being a final delivery.
+ * This also indicates, whether a cargo has a rating at the station.
+ * This flag is never cleared.
+ */
+ GES_PICKUP,
+
+ /**
+ * Set when a vehicle ever delivered cargo to the station for final delivery.
+ * This flag is never cleared.
+ */
+ GES_EVER_ACCEPTED,
+
+ /**
+ * Set when cargo was delivered for final delivery last month.
+ * This flag is set to the value of GES_CURRENT_MONTH at the start of each month.
+ */
+ GES_LAST_MONTH,
+
+ /**
+ * Set when cargo was delivered for final delivery this month.
+ * This flag is reset on the beginning of every month.
+ */
+ GES_CURRENT_MONTH,
+
+ /**
+ * Set when cargo was delivered for final delivery during the current STATION_ACCEPTANCE_TICKS interval.
+ * This flag is reset every STATION_ACCEPTANCE_TICKS ticks.
+ */
+ GES_ACCEPTED_BIGTICK,
};
GoodsEntry() :
@@ -46,10 +78,33 @@ struct GoodsEntry {
{}
byte acceptance_pickup; ///< Status of this cargo, see #GoodsEntryStatus.
- byte days_since_pickup; ///< Number of days since the last pickup for this cargo (up to 255).
+
+ /**
+ * Number of rating-intervals (up to 255) since the last vehicle tried to load this cargo.
+ * The unit used is STATION_RATING_TICKS.
+ * This does not imply there was any cargo to load.
+ */
+ byte days_since_pickup;
+
byte rating; ///< %Station rating for this cargo.
- byte last_speed; ///< Maximum speed of the last vehicle that picked up this cargo (up to 255).
- byte last_age; ///< Age in years of the last vehicle that picked up this cargo.
+
+ /**
+ * Maximum speed (up to 255) of the last vehicle that tried to load this cargo.
+ * This does not imply there was any cargo to load.
+ * The unit used is a special vehicle-specific speed unit for station ratings.
+ * - Trains: km-ish/h
+ * - RV: km-ish/h
+ * - Ships: 0.5 * km-ish/h
+ * - Aircraft: 8 * mph
+ */
+ byte last_speed;
+
+ /**
+ * Age in years (up to 255) of the last vehicle that tried to load this cargo.
+ * This does not imply there was any cargo to load.
+ */
+ byte last_age;
+
byte amount_fract; ///< Fractional part of the amount in the cargo list
StationCargoList cargo; ///< The cargo packets of cargo waiting in this station
};