diff options
Diffstat (limited to 'src/town.h')
| -rw-r--r-- | src/town.h | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/src/town.h b/src/town.h index a672c2cee..9fcb07c5f 100644 --- a/src/town.h +++ b/src/town.h @@ -18,6 +18,7 @@ #include "newgrf_storage.h" #include "cargotype.h" #include "tilematrix_type.hpp" +#include "cargodest_base.h" #include <list> template <typename T> @@ -51,8 +52,9 @@ struct TownCache { }; /** Town data structure. */ -struct Town : TownPool::PoolItem<&_town_pool> { +struct Town : TownPool::PoolItem<&_town_pool>, CargoSourceSink { TileIndex xy; ///< town center tile + TileIndex xy_aligned; ///< NOSAVE: Town centre aligned to the #AcceptanceMatrix grid. TownCache cache; ///< Container for all cacheable data. @@ -105,6 +107,10 @@ struct Town : TownPool::PoolItem<&_town_pool> { std::list<PersistentStorage *> psa_list; + /* Current cargo acceptance and production. */ + uint32 cargo_accepted_weights[NUM_CARGO]; ///< NOSAVE: Weight sum of accepting squares per cargo. + uint32 cargo_accepted_max_weight; ///< NOSAVE: Cached maximum weight for an accepting square. + /** * Creates a new town. * @param tile center tile of the town @@ -116,6 +122,30 @@ struct Town : TownPool::PoolItem<&_town_pool> { void InitializeLayout(TownLayout layout); + /* virtual */ SourceType GetType() const + { + return ST_TOWN; + } + + /* virtual */ SourceID GetID() const + { + return this->index; + } + + /* virtual */ bool AcceptsCargo(CargoID cid) const + { + return HasBit(this->cargo_accepted_total, cid); + } + + /* virtual */ bool SuppliesCargo(CargoID cid) const + { + return HasBit(this->cargo_produced, cid); + } + + /* virtual */ uint GetDestinationWeight(CargoID cid, byte weight_mod) const; + /* virtual */ void CreateSpecialLinks(CargoID cid); + /* virtual */ TileArea GetTileForDestination(CargoID cid); + /** * Calculate the max town noise. * The value is counted using the population divided by the content of the @@ -137,7 +167,10 @@ struct Town : TownPool::PoolItem<&_town_pool> { return Town::Get(GetTownIndex(tile)); } - static Town *GetRandom(); + /** Callback function for #Town::GetRandom. */ + typedef bool (*EnumTownProc)(const Town *t, void *data); + + static Town *GetRandom(EnumTownProc enum_proc = NULL, TownID skip = INVALID_TOWN, void *data = NULL); static void PostDestructor(size_t index); }; |