Town data structure. More...

#include <town.h>

Inheritance diagram for Town:

Public Member Functions
uint8_t	GetPercentTransported (CargoType cargo_type) const

	Town (TileIndex tile=INVALID_TILE)
	Creates a new town.

	~Town ()
	Destroy the town.

void	InitializeLayout (TownLayout layout)
	Assign the town layout.

uint16_t	MaxTownNoise () const
	Calculate the max town noise.

void	UpdateVirtCoord ()
	Resize the sign (label) of the town after it changes population.

const std::string &	GetCachedName () const

Public Member Functions inherited from Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >
void *	operator new (size_t size)
	Allocates space for new Titem.

void *	operator new (size_t size, Tindex index)
	Allocates space for new Titem with given index.

void *	operator new (size_t, void *ptr)
	Allocates space for new Titem at given memory address.

void	operator delete (void *p, size_t size)
	Marks Titem as free.

Static Public Member Functions
static Town *	GetByTile (TileIndex tile)

static Town *	GetRandom ()
	Return a random valid town.

static void	PostDestructor (size_t index)
	Invalidating of the "nearest town cache" has to be done after removing item from the pool.

Static Public Member Functions inherited from Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >
static bool	CanAllocateItem (size_t n=1)
	Helper functions so we can use PoolItem::Function() instead of _poolitem_pool.Function()

static bool	CleaningPool ()
	Returns current state of pool cleaning - yes or no.

static bool	IsValidID (auto index)
	Tests whether given index can be used to get valid (non-nullptr) Titem.

static Titem *	Get (auto index)
	Returns Titem with given index.

static Titem *	GetIfValid (auto index)
	Returns Titem with given index.

static size_t	GetPoolSize ()
	Returns first unused index.

static size_t	GetNumItems ()
	Returns number of valid items in the pool.

static void	PostDestructor (size_t index)
	Dummy function called after destructor of each member.

static Pool::IterateWrapper< Titem >	Iterate (size_t from=0)
	Returns an iterable ensemble of all valid Titem.

Data Fields
TileIndex	xy = INVALID_TILE
	town center tile

TownCache	cache {}
	Container for all cacheable data.

uint32_t	townnamegrfid = 0

uint16_t	townnametype = 0

uint32_t	townnameparts = 0

std::string	name {}
	Custom town name. If empty, the town was not renamed and uses the generated name.

std::string	cached_name {}
	NOSAVE: Cache of the resolved name of the town, if not using a custom town name.

uint8_t	flags = 0
	See TownFlags.

uint16_t	noise_reached = 0
	level of noise that all the airports are generating

CompanyMask	statues {}
	which companies have a statue?

CompanyMask	have_ratings {}
	which companies have a rating

ReferenceThroughBaseContainer< std::array< uint8_t, MAX_COMPANIES > >	unwanted {}
	how many months companies aren't wanted by towns (bribe)

CompanyID	exclusivity = CompanyID::Invalid()
	which company has exclusivity

uint8_t	exclusive_counter = 0
	months till the exclusivity expires

ReferenceThroughBaseContainer< std::array< int16_t, MAX_COMPANIES > >	ratings {}
	ratings of each company for this town

std::array< TransportedCargoStat< uint32_t >, NUM_CARGO >	supplied {}
	Cargo statistics about supplied cargo.

std::array< TransportedCargoStat< uint16_t >, NUM_TAE >	received {}
	Cargo statistics about received cargotypes.

std::array< uint32_t, NUM_TAE >	goal {}
	Amount of cargo required for the town to grow.

EncodedString	text {}
	General text with additional information.

StationList	stations_near {}
	NOSAVE: List of nearby stations.

uint16_t	time_until_rebuild = 0
	time until we rebuild a house

uint16_t	grow_counter = 0
	counter to count when to grow, value is smaller than or equal to growth_rate

uint16_t	growth_rate = 0
	town growth rate

uint8_t	fund_buildings_months = 0
	fund buildings program in action?

uint8_t	road_build_months = 0
	fund road reconstruction in action?

bool	larger_town = false
	if this is a larger town and should grow more quickly

TownLayout	layout {}
	town specific road layout

bool	show_zone = false
	NOSAVE: mark town to show the local authority zone in the viewports.

std::vector< PersistentStorage * >	psa_list {}

Data Fields inherited from Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >
Tindex	index
	Index of this pool item.

Private Member Functions
void	FillCachedName () const

Additional Inherited Members
Public Types inherited from Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >
typedef struct Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >	Pool
	Type of the pool this item is going to be part of.

Detailed Description

Town data structure.

Definition at line 52 of file town.h.

Constructor & Destructor Documentation

◆ Town()

Town::Town ( TileIndex tile = INVALID_TILE )

inline

Creates a new town.

Parameters

tile	center tile of the town

Definition at line 110 of file town.h.

◆ ~Town()

Town::~Town ( )

Member Function Documentation

◆ FillCachedName()

void Town::FillCachedName ( ) const

private

Definition at line 217 of file town_cmd.cpp.

◆ GetByTile()

static Town * Town::GetByTile ( TileIndex tile )

inlinestatic

Definition at line 140 of file town.h.

◆ GetCachedName()

const std::string & Town::GetCachedName ( ) const

inline

Definition at line 133 of file town.h.

◆ GetPercentTransported()

uint8_t Town::GetPercentTransported ( CargoType cargo_type ) const

inline

Definition at line 83 of file town.h.

◆ GetRandom()

Town * Town::GetRandom ( )

static

Return a random valid town.

Returns: A random town, or nullptr if there are no towns.

Definition at line 197 of file town_cmd.cpp.

References Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >::Get(), Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >::GetNumItems(), Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >::GetPoolSize(), Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >::index, Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >::IsValidID(), and RandomRange().

Referenced by FindSubsidyCargoDestination(), FindSubsidyPassengerRoute(), and FindSubsidyTownCargoRoute().

◆ InitializeLayout()

void Town::InitializeLayout ( TownLayout layout )

Assign the town layout.

Parameters

layout The desired layout. If TL_RANDOM, we pick one based on TileHash.

Definition at line 183 of file town_cmd.cpp.

References layout, NUM_TLS, TileHash(), TileX(), TileY(), TL_RANDOM, and xy.

Referenced by DoCreateTown().

◆ MaxTownNoise()

uint16_t Town::MaxTownNoise ( ) const

inline

Calculate the max town noise.

The value is counted using the population divided by the content of the entry in town_noise_population corresponding to the town's tolerance.

Returns: the maximum noise level the town will tolerate.

Definition at line 123 of file town.h.

References _settings_game, cache, GameSettings::difficulty, GameSettings::economy, TownCache::population, DifficultySettings::town_council_tolerance, and EconomySettings::town_noise_population.

Referenced by CmdBuildAirport().

◆ PostDestructor()

void Town::PostDestructor ( size_t index )

static

Invalidating of the "nearest town cache" has to be done after removing item from the pool.

Definition at line 168 of file town_cmd.cpp.

References CalcClosestTownFromTile(), InvalidateWindowData(), Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_object_pool >::Iterate(), UpdateNearestTownForRoadTiles(), and WC_TOWN_DIRECTORY.

◆ UpdateVirtCoord()

void Town::UpdateVirtCoord ( )

Resize the sign (label) of the town after it changes population.

Definition at line 410 of file town_cmd.cpp.

References _settings_client, cache, GetString(), ClientSettings::gui, Pool< Titem, Tindex, Tgrowth_step, Tpool_type, Tcache >::PoolItem<&_town_pool >::index, Kdtree< T, TxyFunc, CoordT, DistT >::Insert(), TrackedViewportSign::kdtree_valid, TownCache::population, GUISettings::population_in_label, RemapCoords2(), Kdtree< T, TxyFunc, CoordT, DistT >::Remove(), SetWindowDirty(), TownCache::sign, TILE_SIZE, TileX(), TileY(), TrackedViewportSign::UpdatePosition(), WC_TOWN_VIEW, and xy.

Referenced by ChangePopulation(), CmdFoundTown(), CmdRenameTown(), and DoCreateTown().

Field Documentation

◆ cache

TownCache Town::cache {}

Container for all cacheable data.

Definition at line 55 of file town.h.

Referenced by BuildTownHouse(), ChangePopulation(), CheckIfIndustryIsAllowed(), CheckSubsidised(), ClearTownHouse(), CmdBuildBridge(), CmdBuildRoad(), CmdBuildTunnel(), CmdDeleteTown(), CmdExpandTown(), CreateRandomTown(), DecreaseBuildingCount(), DoCreateTown(), TownViewWindow::DrawWidget(), TownDirectoryWindow::DrawWidget(), FindSubsidyPassengerRoute(), FindSubsidyTownCargoRoute(), TownViewWindow::GetDesiredInfoHeight(), GetNormalGrowthRate(), TownScopeResolver::GetVariable(), GrowTownAtRoad(), GrowTownWithBridge(), GrowTownWithTunnel(), IncreaseBuildingCount(), InitializeBuildingCounts(), LoadTownData(), MaxTownNoise(), RebuildTownCaches(), TownDirectoryWindow::TownPopulationSorter(), TryBuildTownHouse(), UpdateTownGrowth(), UpdateTownMaxPass(), UpdateTownRadius(), and UpdateVirtCoord().

◆ cached_name

std::string Town::cached_name {}

mutable

NOSAVE: Cache of the resolved name of the town, if not using a custom town name.

Definition at line 62 of file town.h.

Referenced by CmdRenameTown().

◆ exclusive_counter

uint8_t Town::exclusive_counter = 0

months till the exclusivity expires

Definition at line 74 of file town.h.

Referenced by DoCreateTown(), StationViewWindow::DrawCargoRatings(), GetMaskOfTownActions(), MayLoadUnderExclusiveRights(), TownActionBribe(), and TownActionBuyRights().

◆ exclusivity

CompanyID Town::exclusivity = CompanyID::Invalid()

which company has exclusivity

Definition at line 73 of file town.h.

Referenced by DoCreateTown(), StationViewWindow::DrawCargoRatings(), TownAuthorityWindow::DrawRatings(), GetMaskOfTownActions(), MayLoadUnderExclusiveRights(), TownActionBribe(), and TownActionBuyRights().

◆ flags

uint8_t Town::flags = 0

See TownFlags.

Definition at line 64 of file town.h.

Referenced by ClearTownHouse(), CmdTownGrowthRate(), DoCreateTown(), TownViewWindow::DrawWidget(), TownScopeResolver::GetVariable(), TileLoop_Town(), TownTickHandler(), TryBuildTownHouse(), UpdateTownGrowth(), and UpdateTownGrowthRate().

◆ fund_buildings_months

uint8_t Town::fund_buildings_months = 0

fund buildings program in action?

Definition at line 96 of file town.h.

Referenced by DoCreateTown(), TownViewWindow::DrawWidget(), GetNormalGrowthRate(), GetTownRadiusGroup(), TownScopeResolver::GetVariable(), TownActionFundBuildings(), and UpdateTownGrowth().

◆ goal

std::array<uint32_t, NUM_TAE> Town::goal {}

Amount of cargo required for the town to grow.

Definition at line 79 of file town.h.

Referenced by CmdTownCargoGoal(), DoCreateTown(), TownViewWindow::DrawWidget(), TownViewWindow::GetDesiredInfoHeight(), and UpdateTownGrowth().

◆ grow_counter

uint16_t Town::grow_counter = 0

counter to count when to grow, value is smaller than or equal to growth_rate

Definition at line 93 of file town.h.

Referenced by CmdTownGrowthRate(), DoCreateTown(), TownScopeResolver::GetVariable(), TownActionFundBuildings(), TownTickHandler(), and UpdateTownGrowCounter().

◆ growth_rate

uint16_t Town::growth_rate = 0

town growth rate

Definition at line 94 of file town.h.

Referenced by CmdTownGrowthRate(), DoCreateTown(), TownViewWindow::DrawWidget(), TownScopeResolver::GetVariable(), TownActionFundBuildings(), TownTickHandler(), UpdateTownGrowCounter(), UpdateTownGrowth(), and UpdateTownGrowthRate().

◆ have_ratings

CompanyMask Town::have_ratings {}

which companies have a rating

Definition at line 71 of file town.h.

Referenced by ChangeTownRating(), DoCreateTown(), TownAuthorityWindow::DrawRatings(), TownDirectoryWindow::DrawWidget(), TownScopeResolver::GetVariable(), and TownDirectoryWindow::TownRatingSorter().

◆ larger_town

bool Town::larger_town = false

if this is a larger town and should grow more quickly

Definition at line 99 of file town.h.

Referenced by DoCreateTown(), GetNormalGrowthRate(), TownDirectoryWindow::GetTownString(), and TownScopeResolver::GetVariable().

◆ layout

TownLayout Town::layout {}

town specific road layout

Definition at line 100 of file town.h.

Referenced by GetTownRoadGridElement(), GrowTownAtRoad(), GrowTownInTile(), InitializeLayout(), IsRoadAllowedHere(), TownLayoutAllows2x2HouseHere(), and TownLayoutAllowsHouseHere().

◆ name

std::string Town::name {}

Custom town name. If empty, the town was not renamed and uses the generated name.

Definition at line 61 of file town.h.

Referenced by CmdFoundTown(), CmdRenameTown(), FormatString(), GenerateCompanyName(), IsUniqueTownName(), and MoveBuoysToWaypoints().

◆ noise_reached

uint16_t Town::noise_reached = 0

level of noise that all the airports are generating

Definition at line 66 of file town.h.

Referenced by CmdBuildAirport(), TownViewWindow::DrawWidget(), RemoveAirport(), and UpdateAirportsNoise().

◆ psa_list

std::vector<PersistentStorage *> Town::psa_list {}

Definition at line 104 of file town.h.

◆ ratings

ReferenceThroughBaseContainer<std::array<int16_t, MAX_COMPANIES> > Town::ratings {}

ratings of each company for this town

Definition at line 75 of file town.h.

Referenced by ChangeTownRating(), CheckIfAuthorityAllowsNewStation(), ClearTile_Town(), CmdTownRating(), DoCreateTown(), TownAuthorityWindow::DrawRatings(), TownDirectoryWindow::DrawWidget(), GetMaskOfTownActions(), GetRating(), TownScopeResolver::GetVariable(), TownActionBribe(), TownDirectoryWindow::TownRatingSorter(), and UpdateTownRating().

◆ received

std::array<TransportedCargoStat<uint16_t>, NUM_TAE> Town::received {}

Cargo statistics about received cargotypes.

Definition at line 78 of file town.h.

Referenced by DeliverGoods(), TownViewWindow::DrawWidget(), TownScopeResolver::GetVariable(), and UpdateTownGrowth().

◆ road_build_months

uint8_t Town::road_build_months = 0

fund road reconstruction in action?

Definition at line 97 of file town.h.

Referenced by TownScopeResolver::GetVariable(), and TownActionRoadRebuild().

◆ show_zone

bool Town::show_zone = false

NOSAVE: mark town to show the local authority zone in the viewports.

Definition at line 102 of file town.h.

Referenced by DoCreateTown(), HighlightTownLocalAuthorityTiles(), TownAuthorityWindow::OnClick(), and TownAuthorityWindow::OnPaint().

◆ stations_near

StationList Town::stations_near {}

NOSAVE: List of nearby stations.

Definition at line 89 of file town.h.

Referenced by GetTileHighlightType(), MakeTownHouse(), Station::RecomputeCatchment(), and RemoveNearbyStations().

◆ statues

CompanyMask Town::statues {}

which companies have a statue?

Definition at line 68 of file town.h.

Referenced by DoCreateTown(), GetMaskOfTownActions(), TownScopeResolver::GetVariable(), and TownActionBuildStatue().

◆ supplied

std::array<TransportedCargoStat<uint32_t>, NUM_CARGO> Town::supplied {}

Cargo statistics about supplied cargo.

Definition at line 77 of file town.h.

Referenced by TownViewWindow::DrawWidget(), TownScopeResolver::GetVariable(), TownGenerateCargo(), and UpdateTownMaxPass().

◆ text

EncodedString Town::text {}

General text with additional information.

Definition at line 81 of file town.h.

Referenced by CmdTownSetText(), TownViewWindow::DrawWidget(), and TownViewWindow::GetDesiredInfoHeight().

◆ time_until_rebuild

uint16_t Town::time_until_rebuild = 0

time until we rebuild a house

Definition at line 91 of file town.h.

Referenced by DoCreateTown(), and TileLoop_Town().

◆ townnamegrfid

uint32_t Town::townnamegrfid = 0

Definition at line 58 of file town.h.

◆ townnameparts

uint32_t Town::townnameparts = 0

Definition at line 60 of file town.h.

◆ townnametype

uint16_t Town::townnametype = 0

Definition at line 59 of file town.h.

◆ unwanted

ReferenceThroughBaseContainer<std::array<uint8_t, MAX_COMPANIES> > Town::unwanted {}

how many months companies aren't wanted by towns (bribe)

Definition at line 72 of file town.h.

Referenced by GetMaskOfTownActions(), and TownActionBribe().

◆ xy

TileIndex Town::xy = INVALID_TILE

town center tile

Definition at line 53 of file town.h.

Referenced by AirportGetNearestTown(), CalcClosestTownFromTile(), CheckIfIndustryIsAllowed(), ClosestTownFromTile(), CmdBuildBridge(), CmdBuildRoad(), CmdBuildTunnel(), DoCreateTown(), TownViewWindow::DrawWidget(), TownDirectoryWindow::DrawWidget(), FindSubsidyCargoDestination(), FindSubsidyPassengerRoute(), FindSubsidyTownCargoRoute(), GenerateStationName(), TownViewWindow::GetDesiredInfoHeight(), GetTownRadiusGroup(), GetTownRoadGridElement(), IndustriesScopeResolver::GetVariable(), ObjectScopeResolver::GetVariable(), RoadStopScopeResolver::GetVariable(), TownScopeResolver::GetVariable(), GrowTown(), HighlightTownLocalAuthorityTiles(), InitializeLayout(), IsCloseToTown(), TownAuthorityWindow::OnClick(), TownViewWindow::OnClick(), TownDirectoryWindow::OnClick(), TownViewWindow::OnResize(), TownScopeResolver::StorePSA(), TileLoop_Town(), TownActionAdvertiseLarge(), TownActionAdvertiseMedium(), TownActionAdvertiseSmall(), TownActionBuildStatue(), TownActionBuyRights(), TownLayoutAllows2x2HouseHere(), TownLayoutAllowsHouseHere(), UpdateTownGrowth(), and UpdateVirtCoord().

The documentation for this struct was generated from the following files:

src/town.h
src/town_cmd.cpp

Public Member Functions

Static Public Member Functions

Data Fields

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Town()

◆ ~Town()

Member Function Documentation

◆ FillCachedName()

◆ GetByTile()

◆ GetCachedName()

◆ GetPercentTransported()

◆ GetRandom()

◆ InitializeLayout()

◆ MaxTownNoise()

◆ PostDestructor()

◆ UpdateVirtCoord()

Field Documentation

◆ cache

◆ cached_name

◆ exclusive_counter

◆ exclusivity

◆ flags

◆ fund_buildings_months

◆ goal

◆ grow_counter

◆ growth_rate

◆ have_ratings

◆ larger_town

◆ layout

◆ name

◆ noise_reached

◆ psa_list

◆ ratings

◆ received

◆ road_build_months

◆ show_zone

◆ stations_near

◆ statues

◆ supplied

◆ text

◆ time_until_rebuild

◆ townnamegrfid

◆ townnameparts

◆ townnametype

◆ unwanted

◆ xy