OpenTTD Source 20250428-master-ga5578166bb
newgrf_house.h File Reference

Functions related to NewGRF houses. More...

#include "newgrf_callbacks.h"
#include "tile_cmd.h"
#include "house_type.h"
#include "newgrf_spritegroup.h"
#include "newgrf_town.h"

Go to the source code of this file.

Data Structures

struct  HouseScopeResolver
 Scope resolver for houses. More...
 
struct  HouseResolverObject
 Resolver object to be used for houses (feature 07 spritegroups). More...
 
struct  HouseClassMapping
 Makes class IDs unique to each GRF file. More...
 

Functions

void ResetHouseClassIDs ()
 
HouseClassID AllocateHouseClassID (uint8_t grf_class_id, uint32_t grfid)
 
void InitializeBuildingCounts ()
 Initialise global building counts and all town building counts.
 
void InitializeBuildingCounts (Town *t)
 Initialise building counts for a town.
 
void IncreaseBuildingCount (Town *t, HouseID house_id)
 IncreaseBuildingCount() Increase the count of a building when it has been added by a town.
 
void DecreaseBuildingCount (Town *t, HouseID house_id)
 DecreaseBuildingCount() Decrease the number of a building when it is deleted.
 
std::span< const uint > GetBuildingHouseIDCounts ()
 Get read-only span of total HouseID building counts.
 
void DrawNewHouseTile (TileInfo *ti, HouseID house_id)
 
void DrawNewHouseTileInGUI (int x, int y, const HouseSpec *spec, HouseID house_id, int view)
 Draw representation of a house tile for GUI purposes.
 
void AnimateNewHouseTile (TileIndex tile)
 
void TriggerHouseAnimation_ConstructionStageChanged (TileIndex tile, bool first_call)
 
void TriggerHouseAnimation_WatchedCargoAccepted (TileIndex tile, CargoTypes trigger_cargoes)
 Run watched cargo accepted callback for a house.
 
uint16_t GetHouseCallback (CallbackID callback, uint32_t param1, uint32_t param2, HouseID house_id, Town *town, TileIndex tile, bool not_yet_constructed=false, uint8_t initial_random_bits=0, CargoTypes watched_cargo_triggers=0, int view=0)
 
bool CanDeleteHouse (TileIndex tile)
 
bool NewHouseTileLoop (TileIndex tile)
 
void TriggerHouseRandomisation (TileIndex t, HouseRandomTrigger trigger)
 

Detailed Description

Functions related to NewGRF houses.

Definition in file newgrf_house.h.

Function Documentation

◆ AllocateHouseClassID()

HouseClassID AllocateHouseClassID ( uint8_t  grf_class_id,
uint32_t  grfid 
)

Definition at line 138 of file newgrf_house.cpp.

◆ AnimateNewHouseTile()

void AnimateNewHouseTile ( TileIndex  tile)

Definition at line 571 of file newgrf_house.cpp.

◆ CanDeleteHouse()

bool CanDeleteHouse ( TileIndex  tile)

Definition at line 588 of file newgrf_house.cpp.

◆ DecreaseBuildingCount()

void DecreaseBuildingCount ( Town t,
HouseID  house_id 
)

DecreaseBuildingCount() Decrease the number of a building when it is deleted.

Parameters
tThe town that the building was built in
house_idThe id of the house being removed

Definition at line 210 of file newgrf_house.cpp.

References TownCache::building_counts, Town::cache, HouseSpec::class_id, and HouseSpec::Get().

Referenced by DoClearTownHouseHelper().

◆ DrawNewHouseTile()

void DrawNewHouseTile ( TileInfo ti,
HouseID  house_id 
)

Definition at line 491 of file newgrf_house.cpp.

◆ DrawNewHouseTileInGUI()

void DrawNewHouseTileInGUI ( int  x,
int  y,
const HouseSpec spec,
HouseID  house_id,
int  view 
)

◆ GetBuildingHouseIDCounts()

std::span< const uint > GetBuildingHouseIDCounts ( )

Get read-only span of total HouseID building counts.

Returns
span of HouseID building counts.

Definition at line 180 of file newgrf_house.cpp.

Referenced by HousePickerCallbacks::FillUsedItems().

◆ GetHouseCallback()

uint16_t GetHouseCallback ( CallbackID  callback,
uint32_t  param1,
uint32_t  param2,
HouseID  house_id,
Town town,
TileIndex  tile,
bool  not_yet_constructed = false,
uint8_t  initial_random_bits = 0,
CargoTypes  watched_cargo_triggers = 0,
int  view = 0 
)

Definition at line 456 of file newgrf_house.cpp.

◆ IncreaseBuildingCount()

void IncreaseBuildingCount ( Town t,
HouseID  house_id 
)

IncreaseBuildingCount() Increase the count of a building when it has been added by a town.

Parameters
tThe town that the building is being built in
house_idThe id of the house being added

Definition at line 191 of file newgrf_house.cpp.

References TownCache::building_counts, Town::cache, HouseSpec::class_id, and HouseSpec::Get().

Referenced by ClearMakeHouseTile(), and RebuildTownCaches().

◆ InitializeBuildingCounts() [1/2]

void InitializeBuildingCounts ( )

◆ InitializeBuildingCounts() [2/2]

void InitializeBuildingCounts ( Town t)

Initialise building counts for a town.

Parameters
tTown cache to initialise.

Definition at line 153 of file newgrf_house.cpp.

References TownCache::building_counts, Town::cache, and HouseSpec::Specs().

◆ NewHouseTileLoop()

bool NewHouseTileLoop ( TileIndex  tile)

Definition at line 624 of file newgrf_house.cpp.

◆ ResetHouseClassIDs()

void ResetHouseClassIDs ( )

Definition at line 130 of file newgrf_house.cpp.

◆ TriggerHouseAnimation_ConstructionStageChanged()

void TriggerHouseAnimation_ConstructionStageChanged ( TileIndex  tile,
bool  first_call 
)

Definition at line 579 of file newgrf_house.cpp.

◆ TriggerHouseAnimation_WatchedCargoAccepted()

void TriggerHouseAnimation_WatchedCargoAccepted ( TileIndex  tile,
CargoTypes  trigger_cargoes 
)

Run watched cargo accepted callback for a house.

Parameters
tileHouse tile.
trigger_cargoesTriggering cargo types.
Precondition
IsTileType(t, MP_HOUSE)

Definition at line 736 of file newgrf_house.cpp.

References BaseBitSet< Timpl, Tvalue_type, Tstorage, Tmask >::Any(), HouseSpec::building_flags, DoTriggerHouseAnimation_WatchedCargoAccepted(), HouseSpec::Get(), GetHouseNorthPart(), GetHouseType(), IsTileType(), MP_HOUSE, Random, TileAddXY(), and HouseSpec::watched_cargoes.

Referenced by TriggerWatchedCargoCallbacks().

◆ TriggerHouseRandomisation()

void TriggerHouseRandomisation ( TileIndex  t,
HouseRandomTrigger  trigger 
)

Definition at line 711 of file newgrf_house.cpp.