OpenTTD Source 20250312-master-gcdcc6b491d
subsidy_base.h File Reference

Subsidy base class. More...

#include "cargo_type.h"
#include "company_type.h"
#include "source_type.h"
#include "subsidy_type.h"
#include "core/pool_type.hpp"

Go to the source code of this file.

Data Structures

struct  Subsidy
 Struct about subsidies, offered and awarded. More...
 

Typedefs

using SubsidyPool = Pool< Subsidy, SubsidyID, 1 >
 

Variables

SubsidyPool _subsidy_pool
 
static const uint SUBSIDY_OFFER_MONTHS = 12
 Constants related to subsidies.
 
static const uint SUBSIDY_PAX_MIN_POPULATION = 400
 Min. population of towns for subsidised pax route.
 
static const uint SUBSIDY_CARGO_MIN_POPULATION = 900
 Min. population of destination town for cargo route.
 
static const uint SUBSIDY_MAX_PCT_TRANSPORTED = 42
 Subsidy will be created only for towns/industries with less % transported.
 
static const uint SUBSIDY_MAX_DISTANCE = 70
 Max. length of subsidised route (DistanceManhattan)
 
static const uint SUBSIDY_TOWN_CARGO_RADIUS = 6
 Extent of a tile area around town center when scanning for town cargo acceptance and production (6 ~= min catchmement + min station / 2)
 

Detailed Description

Subsidy base class.

Definition in file subsidy_base.h.

Typedef Documentation

◆ SubsidyPool

Definition at line 19 of file subsidy_base.h.

Variable Documentation

◆ SUBSIDY_CARGO_MIN_POPULATION

const uint SUBSIDY_CARGO_MIN_POPULATION = 900
static

Min. population of destination town for cargo route.

Definition at line 56 of file subsidy_base.h.

Referenced by FindSubsidyTownCargoRoute().

◆ SUBSIDY_MAX_DISTANCE

const uint SUBSIDY_MAX_DISTANCE = 70
static

Max. length of subsidised route (DistanceManhattan)

Definition at line 58 of file subsidy_base.h.

Referenced by CheckSubsidyDistance(), and FindSubsidyPassengerRoute().

◆ SUBSIDY_MAX_PCT_TRANSPORTED

const uint SUBSIDY_MAX_PCT_TRANSPORTED = 42
static

Subsidy will be created only for towns/industries with less % transported.

Definition at line 57 of file subsidy_base.h.

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

◆ SUBSIDY_OFFER_MONTHS

const uint SUBSIDY_OFFER_MONTHS = 12
static

Constants related to subsidies.

Duration of subsidy offer

Definition at line 54 of file subsidy_base.h.

Referenced by CreateSubsidy().

◆ SUBSIDY_PAX_MIN_POPULATION

const uint SUBSIDY_PAX_MIN_POPULATION = 400
static

Min. population of towns for subsidised pax route.

Definition at line 55 of file subsidy_base.h.

Referenced by FindSubsidyPassengerRoute().

◆ SUBSIDY_TOWN_CARGO_RADIUS

const uint SUBSIDY_TOWN_CARGO_RADIUS = 6
static

Extent of a tile area around town center when scanning for town cargo acceptance and production (6 ~= min catchmement + min station / 2)

Definition at line 59 of file subsidy_base.h.

Referenced by FindSubsidyCargoDestination(), and FindSubsidyTownCargoRoute().