# subsidy.cpp File Reference

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
SubsidyPool | _subsidy_pool ("Subsidy")
void | InitializeSubsidies ()
| Initializes subsidies, files don't have to include subsidy_base,h this way.
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 Subsidy * | FindSubsidyPassengerRoute ()
static Subsidy * | FindSubsidyCargoRoute ()
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.

## Detailed Description

Handling of subsidies.

Definition in file subsidy.cpp.

## Function Documentation

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.

Parameters:

  | 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

Returns:
  is the delivery subsidised?

Definition at line 330 of file subsidy.cpp.

References Subsidy::awarded, Subsidy::AwardTo(), SmallVector< T, S >::Begin(), Rect::bottom, Subsidy::cargo_type, Subsidy::dst, Subsidy::dst_type, SmallVector< T, S >::End(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem< Tpool >::Get(), Station::GetCatchmentRect(), SmallVector< T, S >::Include(), Station::industries_near, INVALID_SOURCE, Subsidy::IsAwarded(), StationRect::IsEmpty(), IsTileType(), Rect::left, MP_HOUSE, POS_DST, POS_SRC, BaseStation::rect, Rect::right, Subsidy::src, Subsidy::src_type, ST_INDUSTRY, ST_TOWN, TileXY(), and Rect::top.

Referenced by DeliverGoods().

static void SetPartOfSubsidyFlag | ( | SourceType | type,
|  | SourceID | index,
|  | PartOfSubsidy | flag |
| ) |  |  | `[inline, static]`

Sets a flag indicating that given town/industry is part of subsidised route.

Parameters:

  | type | is it a town or an industry?
  | index | index of town/industry
  | flag | flag to set

Definition at line 118 of file subsidy.cpp.

References Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tcache, Tzero >::PoolItem< Tpool >::Get(), ST_INDUSTRY, and ST_TOWN.