Handling of subsidies. More...
#include "stdafx.h"
#include "company_func.h"
#include "industry.h"
#include "town.h"
#include "news_func.h"
#include "ai/ai.hpp"
#include "station_base.h"
#include "cargotype.h"
#include "strings_func.h"
#include "window_func.h"
#include "subsidy_base.h"
#include "subsidy_func.h"
#include "core/pool_func.hpp"
#include "core/random_func.hpp"
#include "table/strings.h"
Go to the source code of this file.
Functions | |
Pair | SetupSubsidyDecodeParam (const Subsidy *s, bool mode) |
static void | SetPartOfSubsidyFlag (SourceType type, SourceID index, PartOfSubsidy flag) |
Sets a flag indicating that given town/industry is part of subsidised route. | |
void | RebuildSubsidisedSourceAndDestinationCache () |
void | DeleteSubsidyWith (SourceType type, SourceID index) |
static bool | CheckSubsidyDuplicate (CargoID cargo, SourceType src_type, SourceID src, SourceType dst_type, SourceID dst) |
static bool | CheckSubsidyDistance (SourceType src_type, SourceID src, SourceType dst_type, SourceID dst) |
Checks if the source and destination of a subsidy are inside the distance limit. | |
void | CreateSubsidy (CargoID cid, SourceType src_type, SourceID src, SourceType dst_type, SourceID dst) |
Creates a subsidy with the given parameters. | |
bool | FindSubsidyPassengerRoute () |
Tries to create a passenger subsidy between two towns. | |
bool | FindSubsidyCargoDestination (CargoID cid, SourceType src_type, SourceID src) |
Tries to find a suitable destination for the given source and cargo. | |
bool | FindSubsidyTownCargoRoute () |
Tries to create a cargo subsidy with a town as source. | |
bool | FindSubsidyIndustryCargoRoute () |
Tries to create a cargo subsidy with an industry as source. | |
void | SubsidyMonthlyLoop () |
bool | CheckSubsidised (CargoID cargo_type, CompanyID company, SourceType src_type, SourceID src, const Station *st) |
Tests whether given delivery is subsidised and possibly awards the subsidy to delivering company. | |
Variables | |
SubsidyPool | _subsidy_pool ("Subsidy") |
Handling of subsidies.
Definition in file subsidy.cpp.
bool CheckSubsidised | ( | CargoID | cargo_type, | |
CompanyID | company, | |||
SourceType | src_type, | |||
SourceID | src, | |||
const Station * | st | |||
) |
Tests whether given delivery is subsidised and possibly awards the subsidy to delivering company.
cargo_type | type of cargo | |
company | company delivering the cargo | |
src_type | type of src | |
src | index of source | |
st | station where the cargo is delivered to |
Definition at line 435 of file subsidy.cpp.
References Subsidy::awarded, Subsidy::AwardTo(), SmallVector< T, S >::Begin(), Subsidy::cargo_type, Subsidy::dst, Subsidy::dst_type, SmallVector< T, S >::End(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_town_pool >::Get(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_industry_pool >::Get(), Station::GetCatchmentRect(), SmallVector< T, S >::Include(), Station::industries_near, INVALID_SOURCE, Subsidy::IsAwarded(), IsTileType(), MP_HOUSE, Town::part_of_subsidy, POS_DST, POS_SRC, BaseStation::rect, Subsidy::src, Subsidy::src_type, ST_INDUSTRY, ST_TOWN, and TileXY().
Referenced by DeliverGoods().
static bool CheckSubsidyDistance | ( | SourceType | src_type, | |
SourceID | src, | |||
SourceType | dst_type, | |||
SourceID | dst | |||
) | [static] |
Checks if the source and destination of a subsidy are inside the distance limit.
src_type | Type of src. | |
src | Index of source. | |
dst_type | Type of dst. | |
dst | Index of destination. |
Definition at line 174 of file subsidy.cpp.
References DistanceManhattan(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_industry_pool >::Get(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_town_pool >::Get(), and SUBSIDY_MAX_DISTANCE.
Referenced by FindSubsidyCargoDestination().
void CreateSubsidy | ( | CargoID | cid, | |
SourceType | src_type, | |||
SourceID | src, | |||
SourceType | dst_type, | |||
SourceID | dst | |||
) |
Creates a subsidy with the given parameters.
cid | Subsidised cargo. | |
src_type | Type of src. | |
src | Index of source. | |
dst_type | Type of dst. | |
dst | Index of destination. |
Definition at line 189 of file subsidy.cpp.
References AddNewsItem(), Subsidy::awarded, AI::BroadcastNewEvent(), Subsidy::cargo_type, Subsidy::dst, Subsidy::dst_type, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, NS_SUBSIDIES, POS_DST, POS_SRC, Subsidy::remaining, SetPartOfSubsidyFlag(), Subsidy::src, Subsidy::src_type, and SUBSIDY_OFFER_MONTHS.
Referenced by FindSubsidyCargoDestination(), and FindSubsidyPassengerRoute().
bool FindSubsidyCargoDestination | ( | CargoID | cid, | |
SourceType | src_type, | |||
SourceID | src | |||
) |
Tries to find a suitable destination for the given source and cargo.
cid | Subsidized cargo. | |
src_type | Type of src. | |
src | Index of source. |
Definition at line 316 of file subsidy.cpp.
References _town_cargos_accepted, Industry::accepts_cargo, Town::cargo_accepted_total, Chance16(), CheckSubsidyDistance(), CreateSubsidy(), Industry::GetRandom(), Town::GetRandom(), HasBit(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, ST_INDUSTRY, and ST_TOWN.
Referenced by FindSubsidyIndustryCargoRoute(), and FindSubsidyTownCargoRoute().
bool FindSubsidyIndustryCargoRoute | ( | ) |
Tries to create a cargo subsidy with an industry as source.
Definition at line 276 of file subsidy.cpp.
References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_subsidy_pool >::CanAllocateItem(), CT_INVALID, FindSubsidyCargoDestination(), Industry::GetRandom(), HasBit(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Industry::last_month_pct_transported, Industry::last_month_production, Industry::produced_cargo, and SUBSIDY_MAX_PCT_TRANSPORTED.
bool FindSubsidyPassengerRoute | ( | ) |
Tries to create a passenger subsidy between two towns.
Definition at line 211 of file subsidy.cpp.
References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_subsidy_pool >::CanAllocateItem(), CreateSubsidy(), DistanceManhattan(), Town::GetRandom(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Town::population, ST_TOWN, SUBSIDY_MAX_DISTANCE, SUBSIDY_MAX_PCT_TRANSPORTED, SUBSIDY_PAX_MIN_POPULATION, and Town::xy.
bool FindSubsidyTownCargoRoute | ( | ) |
Tries to create a cargo subsidy with a town as source.
Definition at line 240 of file subsidy.cpp.
References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_subsidy_pool >::CanAllocateItem(), Town::cargo_produced, ClrBit(), CountBits(), FindSubsidyCargoDestination(), CargoSpec::Get(), Town::GetRandom(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, and SUBSIDY_MAX_PCT_TRANSPORTED.
static void SetPartOfSubsidyFlag | ( | SourceType | type, | |
SourceID | index, | |||
PartOfSubsidy | flag | |||
) | [inline, static] |
Sets a flag indicating that given town/industry is part of subsidised route.
type | is it a town or an industry? | |
index | index of town/industry | |
flag | flag to set |
Definition at line 112 of file subsidy.cpp.
References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_town_pool >::Get(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_industry_pool >::Get(), ST_INDUSTRY, and ST_TOWN.
Referenced by CreateSubsidy().