road_cmd.cpp File Reference

Commands related to road tiles. More...

#include "stdafx.h"
#include "road.h"
#include "road_internal.h"
#include "viewport_func.h"
#include "command_func.h"
#include "company_func.h"
#include "pathfinder/yapf/yapf_cache.h"
#include "depot_base.h"
#include "newgrf.h"
#include "autoslope.h"
#include "tunnelbridge_map.h"
#include "strings_func.h"
#include "vehicle_func.h"
#include "sound_func.h"
#include "tunnelbridge.h"
#include "cheat_type.h"
#include "effectvehicle_func.h"
#include "effectvehicle_base.h"
#include "elrail_func.h"
#include "roadveh.h"
#include "train.h"
#include "town.h"
#include "company_base.h"
#include "core/random_func.hpp"
#include "core/container_func.hpp"
#include "newgrf_debug.h"
#include "newgrf_railtype.h"
#include "newgrf_roadtype.h"
#include "timer/timer_game_calendar.h"
#include "genworld.h"
#include "company_gui.h"
#include "road_func.h"
#include "road_cmd.h"
#include "landscape_cmd.h"
#include "rail_cmd.h"
#include "table/strings.h"
#include "table/roadtypes.h"
#include "safeguards.h"
#include "table/road_land.h"

Go to the source code of this file.

Data Structures
struct	DrawRoadTileStruct

Typedefs
typedef std::vector< RoadVehicle * >	RoadVehicleList
	Helper type for lists/vectors of road vehicles.

Functions
void	ResetRoadTypes ()
	Reset all road type information to its default values.
void	ResolveRoadTypeGUISprites (RoadTypeInfo *rti)
static bool	CompareRoadTypes (const RoadType &first, const RoadType &second)
	Compare roadtypes based on their sorting order. More...
void	InitRoadTypes ()
	Resolve sprites of custom road types.
RoadType	AllocateRoadType (RoadTypeLabel label, RoadTramType rtt)
	Allocate a new road type label.
bool	RoadVehiclesAreBuilt ()
	Verify whether a road vehicle is available. More...
void	UpdateCompanyRoadInfrastructure (RoadType rt, Owner o, int count)
	Update road infrastructure counts for a company. More...
static Foundation	GetRoadFoundation (Slope tileh, RoadBits bits)
	Get the foundationtype of a RoadBits Slope combination. More...
CommandCost	CheckAllowRemoveRoad (TileIndex tile, RoadBits remove, Owner owner, RoadTramType rtt, DoCommandFlag flags, bool town_check)
	Is it allowed to remove the given road bits from the given tile? More...
static CommandCost	RemoveRoad (TileIndex tile, DoCommandFlag flags, RoadBits pieces, RoadTramType rtt, bool town_check)
	Delete a piece of road. More...
static CommandCost	CheckRoadSlope (Slope tileh, RoadBits *pieces, RoadBits existing, RoadBits other)
	Calculate the costs for roads on slopes Aside modify the RoadBits to fit on the slopes. More...
CommandCost	CmdBuildRoad (DoCommandFlag flags, TileIndex tile, RoadBits pieces, RoadType rt, DisallowedRoadDirections toggle_drd, TownID town_id)
	Build a piece of road. More...
static bool	CanConnectToRoad (TileIndex tile, RoadType rt, DiagDirection dir)
	Checks whether a road or tram connection can be found when building a new road or tram. More...
CommandCost	CmdBuildLongRoad (DoCommandFlag flags, TileIndex end_tile, TileIndex start_tile, RoadType rt, Axis axis, DisallowedRoadDirections drd, bool start_half, bool end_half, bool is_ai)
	Build a long piece of road. More...
std::tuple< CommandCost, Money >	CmdRemoveLongRoad (DoCommandFlag flags, TileIndex end_tile, TileIndex start_tile, RoadType rt, Axis axis, bool start_half, bool end_half)
	Remove a long piece of road. More...
CommandCost	CmdBuildRoadDepot (DoCommandFlag flags, TileIndex tile, RoadType rt, DiagDirection dir)
	Build a road depot. More...
static CommandCost	RemoveRoadDepot (TileIndex tile, DoCommandFlag flags)
static CommandCost	ClearTile_Road (TileIndex tile, DoCommandFlag flags)
static uint	GetRoadSpriteOffset (Slope slope, RoadBits bits)
	Get the sprite offset within a spritegroup. More...
static bool	DrawRoadAsSnowDesert (bool snow_or_desert, Roadside roadside)
	Should the road be drawn as a unpaved snow/desert road? By default, roads are always drawn as unpaved if they are on desert or above the snow line, but NewGRFs can override this for desert. More...
void	DrawRoadTypeCatenary (const TileInfo *ti, RoadType rt, RoadBits rb)
	Draws the catenary for the RoadType of the given tile. More...
void	DrawRoadCatenary (const TileInfo *ti)
	Draws the catenary for the given tile. More...
static void	DrawRoadDetail (SpriteID img, const TileInfo *ti, int dx, int dy, int h, bool transparent)
	Draws details on/around the road. More...
void	DrawRoadOverlays (const TileInfo *ti, PaletteID pal, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, uint road_offset, uint tram_offset, bool draw_underlay)
	Draw road underlay and overlay sprites. More...
static SpriteID	GetRoadGroundSprite (const TileInfo *ti, Roadside roadside, const RoadTypeInfo *rti, uint offset, bool snow_or_desert, PaletteID *pal)
	Get ground sprite to draw for a road tile. More...
void	DrawRoadGroundSprites (const TileInfo *ti, RoadBits road, RoadBits tram, const RoadTypeInfo *road_rti, const RoadTypeInfo *tram_rti, Roadside roadside, bool snow_or_desert)
	Draw road ground sprites. More...
static void	DrawRoadBits (TileInfo *ti)
	Draw ground sprite and road pieces. More...
static void	DrawTile_Road (TileInfo *ti)
	Tile callback function for rendering a road tile to the screen.
void	DrawRoadDepotSprite (int x, int y, DiagDirection dir, RoadType rt)
	Draw the road depot sprite. More...
void	UpdateNearestTownForRoadTiles (bool invalidate)
	Updates cached nearest town for all road tiles. More...
static int	GetSlopePixelZ_Road (TileIndex tile, uint x, uint y, bool)
static Foundation	GetFoundation_Road (TileIndex tile, Slope tileh)
static void	TileLoop_Road (TileIndex tile)
static bool	ClickTile_Road (TileIndex tile)
static TrackStatus	GetTileTrackStatus_Road (TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
static void	GetTileDesc_Road (TileIndex tile, TileDesc *td)
static VehicleEnterTileStatus	VehicleEnter_Road (Vehicle *v, TileIndex tile, int, int)
static void	ChangeTileOwner_Road (TileIndex tile, Owner old_owner, Owner new_owner)
static CommandCost	TerraformTile_Road (TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
static Vehicle *	UpdateRoadVehPowerProc (Vehicle *v, void *data)
	Update power of road vehicle under which is the roadtype being converted.
static bool	CanConvertUnownedRoadType (Owner owner, RoadTramType rtt)
	Checks the tile and returns whether the current player is allowed to convert the roadtype to another roadtype without taking ownership. More...
static void	ConvertRoadTypeOwner (TileIndex tile, uint num_pieces, Owner owner, RoadType from_type, RoadType to_type)
	Convert the ownership of the RoadType of the tile if applicable. More...
CommandCost	CmdConvertRoad (DoCommandFlag flags, TileIndex tile, TileIndex area_start, RoadType to_type)
	Convert one road subtype to another. More...

Variables
RoadTypeInfo	_roadtypes [ROADTYPE_END]
std::vector< RoadType >	_sorted_roadtypes
RoadTypes	_roadtypes_hidden_mask
RoadTypes	_roadtypes_type
	Bitmap of road/tram types. More...
static const RoadBits	_invalid_tileh_slopes_road [2][15]
	Invalid RoadBits on slopes. More...
const uint8_t	_road_sloped_sprites [14]
static const Roadside	_town_road_types [][2]
static const Roadside	_town_road_types_2 [][2]
static const TrackBits	_road_trackbits [16]
static const StringID	_road_tile_strings []
static const uint8_t	_roadveh_enter_depot_dir [4]
	Given the direction the road depot is pointing, this is the direction the vehicle should be travelling in in order to enter the depot. More...
const TileTypeProcs	_tile_type_road_procs
	Tile callback functions for road tiles. More...

Detailed Description

Commands related to road tiles.

Definition in file road_cmd.cpp.

Function Documentation

CanConnectToRoad()

static bool CanConnectToRoad ( TileIndex  tile, RoadType  rt, DiagDirection  dir  )

static

Checks whether a road or tram connection can be found when building a new road or tram.

Parameters

tile	Tile at which the road being built will end.
rt	Roadtype of the road being built.
dir	Direction that the road is following.

Returns

True if the next tile at dir direction is suitable for being connected directly by a second roadbit at the end of the road being built.

Definition at line 950 of file road_cmd.cpp.

References IsValidTile(), MayHaveRoad(), and TileOffsByDiagDir().

Referenced by CmdBuildLongRoad().

CanConvertUnownedRoadType()

static bool CanConvertUnownedRoadType ( Owner  owner, RoadTramType  rtt  )

static

Checks the tile and returns whether the current player is allowed to convert the roadtype to another roadtype without taking ownership.

Parameters

owner	the tile owner.
rtt	Road/tram type.

Returns

whether the road is convertible

Definition at line 2394 of file road_cmd.cpp.

References OWNER_NONE, and OWNER_TOWN.

CheckAllowRemoveRoad()

CommandCost CheckAllowRemoveRoad	(	TileIndex	tile,
		RoadBits	remove,
		Owner	owner,
		RoadTramType	rtt,
		DoCommandFlag	flags,
		bool	town_check
	)

Is it allowed to remove the given road bits from the given tile?

Parameters

tile	the tile to remove the road from
remove	the roadbits that are going to be removed
owner	the actual owner of the roadbits of the tile
rt	the road type to remove the bits from
flags	command flags
town_check	Shall the town rating checked/affected

Returns

A succeeded command when it is allowed to remove the road bits, a failed command otherwise.

Definition at line 262 of file road_cmd.cpp.

CheckRoadSlope()

static CommandCost CheckRoadSlope ( Slope  tileh, RoadBits *  pieces, RoadBits  existing, RoadBits  other  )

static

Calculate the costs for roads on slopes Aside modify the RoadBits to fit on the slopes.

Note

The RoadBits are modified too!

Parameters

tileh	The current slope
pieces	The RoadBits we want to add
existing	The existent RoadBits of the current type
other	The other existent RoadBits

Returns

The costs for these RoadBits on this slope

Definition at line 545 of file road_cmd.cpp.

References _invalid_tileh_slopes_road, _settings_game, ConstructionSettings::build_on_slopes, CLRBITS, CMD_ERROR, GameSettings::construction, EXPENSES_CONSTRUCTION, GetHighestSlopeCorner(), IsSteepSlope(), ROAD_NONE, SLOPE_FLAT, and SlopeWithOneCornerRaised().

CmdBuildLongRoad()

CommandCost CmdBuildLongRoad	(	DoCommandFlag	flags,
		TileIndex	end_tile,
		TileIndex	start_tile,
		RoadType	rt,
		Axis	axis,
		DisallowedRoadDirections	drd,
		bool	start_half,
		bool	end_half,
		bool	is_ai
	)

Build a long piece of road.

Parameters

flags	operation to perform
end_tile	end tile of drag
start_tile	start tile of drag
rt	road type
axis	direction
drd	set road direction
start_half	start tile starts in the 2nd half of tile (p2 & 1). Only used if is_ai is set or if we are building a single tile
end_half	end tile starts in the 2nd half of tile (p2 & 2). Only used if is_ai is set or if we are building a single tile
is_ai	defines two different behaviors for this command: false = Build up to an obstacle. Do not build the first and last roadbits unless they can be connected to something, or if we are building a single tile true = Fail if an obstacle is found. Always take into account start_half and end_half. This behavior is used for scripts

Returns

the cost of this operation or an error

Definition at line 979 of file road_cmd.cpp.

References CommandCost::AddCost(), AXIS_X, AXIS_Y, AxisToDiagDir(), AxisToRoadBits(), CanConnectToRoad(), CMD_ERROR, DiagDirToRoadBits(), DRD_BOTH, DRD_NORTHBOUND, DRD_SOUTHBOUND, EXPENSES_CONSTRUCTION, CommandCost::Failed(), CommandCost::GetErrorMessage(), GetTunnelBridgeDirection(), IsBridge(), IsTileType(), IsValidAxis(), IsValidDisallowedRoadDirections(), MP_TUNNELBRIDGE, ReverseDiagDir(), Map::Size(), TileOffsByDiagDir(), TileX(), TileY(), and ValParamRoadType().

CmdBuildRoad()

CommandCost CmdBuildRoad	(	DoCommandFlag	flags,
		TileIndex	tile,
		RoadBits	pieces,
		RoadType	rt,
		DisallowedRoadDirections	toggle_drd,
		TownID	town_id
	)

Build a piece of road.

Parameters

flags	operation to perform
tile	tile where to build road
pieces	road pieces to build (RoadBits)
rt	road type
toggle_drd	disallowed directions to toggle
town_id	the town that is building the road (0 if not applicable)

Returns

the cost of this operation or an error

Definition at line 610 of file road_cmd.cpp.

References _current_company, CalcClosestTownFromTile(), CMD_ERROR, EXPENSES_CONSTRUCTION, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_town_pool >::IsValidID(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::IsValidID(), OWNER_DEITY, OWNER_TOWN, and ROAD_NONE.

CmdBuildRoadDepot()

CommandCost CmdBuildRoadDepot	(	DoCommandFlag	flags,
		TileIndex	tile,
		RoadType	rt,
		DiagDirection	dir
	)

Build a road depot.

Parameters

tile	tile where to build the depot
flags	operation to perform
rt	road type
dir	entrance direction

Returns

the cost of this operation or an error

Todo:

When checking for the tile slope, distinguish between "Flat land required" and "land sloped in wrong direction"

Definition at line 1149 of file road_cmd.cpp.

References _settings_game, CommandCost::AddCost(), ConstructionSettings::build_on_slopes, CanBuildDepotByTileh(), CMD_ERROR, GameSettings::construction, EXPENSES_CONSTRUCTION, GetTileSlope(), IsValidDiagDirection(), return_cmd_error, SLOPE_FLAT, and ValParamRoadType().

CmdConvertRoad()

CommandCost CmdConvertRoad	(	DoCommandFlag	flags,
		TileIndex	tile,
		TileIndex	area_start,
		RoadType	to_type
	)

Convert one road subtype to another.

Not meant to convert from road to tram.

Parameters

flags	operation to perform
tile	end tile of road conversion drag
area_start	start tile of drag
to_type	new roadtype to convert to.

Returns

the cost of this operation or an error

Definition at line 2442 of file road_cmd.cpp.

References CMD_ERROR, Map::Size(), and ValParamRoadType().

CmdRemoveLongRoad()

std::tuple<CommandCost, Money> CmdRemoveLongRoad	(	DoCommandFlag	flags,
		TileIndex	end_tile,
		TileIndex	start_tile,
		RoadType	rt,
		Axis	axis,
		bool	start_half,
		bool	end_half
	)

Remove a long piece of road.

Parameters

flags	operation to perform
end_tile	end tile of drag
start_tile	start tile of drag
rt	road type
axis	direction
start_half	start tile starts in the 2nd half of tile
end_half	end tile starts in the 2nd half of tile (p2 & 2)

Returns

the cost of this operation or an error

Definition at line 1075 of file road_cmd.cpp.

References AXIS_X, AXIS_Y, AxisToRoadBits(), CMD_ERROR, EXPENSES_CONSTRUCTION, GetAvailableMoneyForCommand(), IsValidAxis(), ROAD_NE, ROAD_NW, ROAD_SE, ROAD_SW, Map::Size(), TileX(), TileY(), and ValParamRoadType().

CompareRoadTypes()

static bool CompareRoadTypes ( const RoadType &  first, const RoadType &  second  )

static

Compare roadtypes based on their sorting order.

Parameters

first	The roadtype to compare to.
second	The roadtype to compare.

Returns

True iff the first should be sorted before the second.

Definition at line 103 of file road_cmd.cpp.

ConvertRoadTypeOwner()

static void ConvertRoadTypeOwner ( TileIndex  tile, uint  num_pieces, Owner  owner, RoadType  from_type, RoadType  to_type  )

static

Convert the ownership of the RoadType of the tile if applicable.

Parameters

tile	the tile of which convert ownership
num_pieces	the count of the roadbits to assign to the new owner
owner	the current owner of the RoadType
from_type	the old road type
to_type	the new road type

Definition at line 2407 of file road_cmd.cpp.

References _current_company, MAX_COMPANIES, OWNER_NONE, and SetRoadOwner().

DrawRoadAsSnowDesert()

static bool DrawRoadAsSnowDesert ( bool  snow_or_desert, Roadside  roadside  )

static

Should the road be drawn as a unpaved snow/desert road? By default, roads are always drawn as unpaved if they are on desert or above the snow line, but NewGRFs can override this for desert.

Parameters

snow_or_desert	Is snowy or desert tile
roadside	What sort of road this is

Returns

True if snow/desert road sprites should be used.

Definition at line 1366 of file road_cmd.cpp.

References _settings_game, GameSettings::game_creation, and GameCreationSettings::landscape.

Referenced by GetRoadGroundSprite().

DrawRoadBits()

static void DrawRoadBits ( TileInfo *  ti )

static

Draw ground sprite and road pieces.

Parameters

ti

TileInfo

Definition at line 1623 of file road_cmd.cpp.

References GetRoadBits(), and TileInfo::tile.

Referenced by DrawTile_Road().

DrawRoadCatenary()

void DrawRoadCatenary

(

const TileInfo *

ti

)

Draws the catenary for the given tile.

Parameters

ti	information about the tile (slopes, height etc)

Definition at line 1451 of file road_cmd.cpp.

References GetRoadBits(), IsNormalRoad(), IsTileType(), MP_ROAD, ROAD_NONE, and TileInfo::tile.

DrawRoadDepotSprite()

void DrawRoadDepotSprite	(	int	x,
		int	y,
		DiagDirection	dir,
		RoadType	rt
	)

Draw the road depot sprite.

Parameters

x	The x offset to draw at.
y	The y offset to draw at.
dir	The direction the depot must be facing.
rt	The road type of the depot to draw.

Definition at line 1875 of file road_cmd.cpp.

DrawRoadDetail()

static void DrawRoadDetail ( SpriteID  img, const TileInfo *  ti, int  dx, int  dy, int  h, bool  transparent  )

static

Draws details on/around the road.

Parameters

img	the sprite to draw
ti	the tile to draw on
dx	the offset from the top of the BB of the tile
dy	the offset from the top of the BB of the tile
h	the height of the sprite to draw
transparent	whether the sprite should be transparent (used for roadside trees)

Definition at line 1497 of file road_cmd.cpp.

DrawRoadGroundSprites()

void DrawRoadGroundSprites	(	const TileInfo *	ti,
		RoadBits	road,
		RoadBits	tram,
		const RoadTypeInfo *	road_rti,
		const RoadTypeInfo *	tram_rti,
		Roadside	roadside,
		bool	snow_or_desert
	)

Draw road ground sprites.

Parameters

ti	TileInfo
road	Road bits
tram	Tram bits
road_rti	Road road type information
tram_rti	Tram road type information
roadside	Roadside type
snow_or_desert	Whether to draw snow/desert ground sprites

Definition at line 1605 of file road_cmd.cpp.

References GetRoadSpriteOffset(), and TileInfo::tileh.

DrawRoadOverlays()

void DrawRoadOverlays	(	const TileInfo *	ti,
		PaletteID	pal,
		const RoadTypeInfo *	road_rti,
		const RoadTypeInfo *	tram_rti,
		uint	road_offset,
		uint	tram_offset,
		bool	draw_underlay
	)

Draw road underlay and overlay sprites.

Parameters

ti	TileInfo
road_rti	Road road type information
tram_rti	Tram road type information
road_offset	Road sprite offset (based on road bits)
tram_offset	Tram sprite offset (based on road bits)
draw_underlay	Whether to draw underlays

Definition at line 1515 of file road_cmd.cpp.

References DrawGroundSprite(), GetCustomRoadSprite(), ROTSG_GROUND, and TileInfo::tile.

DrawRoadTypeCatenary()

void DrawRoadTypeCatenary	(	const TileInfo *	ti,
		RoadType	rt,
		RoadBits	rb
	)

Draws the catenary for the RoadType of the given tile.

Parameters

ti	information about the tile (slopes, height etc)
rt	road type to draw catenary for
rb	the roadbits for the tram

< big number compared to sprite size

Definition at line 1379 of file road_cmd.cpp.

References CountBits(), DIAGDIR_BEGIN, DIAGDIR_END, DiagDirToRoadBits(), GetBridgeHeight(), GetNorthernBridgeEnd(), GetTileMaxZ(), IsBridgeAbove(), IsTransparencySet(), MayHaveRoad(), ROAD_NONE, TileInfo::tile, TileAddByDiagDir(), and TO_CATENARY.

GetRoadFoundation()

static Foundation GetRoadFoundation ( Slope  tileh, RoadBits  bits  )

static

Get the foundationtype of a RoadBits Slope combination.

Parameters

tileh	The Slope part
bits	The RoadBits part

Returns

The resulting Foundation

Definition at line 1301 of file road_cmd.cpp.

References _invalid_tileh_slopes_road, FOUNDATION_INCLINED_X, FOUNDATION_INCLINED_Y, FOUNDATION_LEVELED, FOUNDATION_NONE, GetHighestSlopeCorner(), IsSlopeWithOneCornerRaised(), IsSteepSlope(), ROAD_NONE, ROAD_X, SLOPE_FLAT, and SlopeWithOneCornerRaised().

GetRoadGroundSprite()

static SpriteID GetRoadGroundSprite ( const TileInfo *  ti, Roadside  roadside, const RoadTypeInfo *  rti, uint  offset, bool  snow_or_desert, PaletteID *  pal  )

static

Get ground sprite to draw for a road tile.

Parameters

	ti	TileInof
	roadside	Road side type
	rti	Road type info
	offset	Road sprite offset
	snow_or_desert	Whether to get snow/desert ground sprite
[out]	pal	Palette to draw.

Definition at line 1562 of file road_cmd.cpp.

References DrawRoadAsSnowDesert().

GetRoadSpriteOffset()

static uint GetRoadSpriteOffset ( Slope  slope, RoadBits  bits  )

static

Get the sprite offset within a spritegroup.

Parameters

slope	Slope
bits	Roadbits

Returns

Offset for the sprite within the spritegroup.

Definition at line 1336 of file road_cmd.cpp.

References SLOPE_FLAT, SLOPE_NE, SLOPE_NW, SLOPE_SE, and SLOPE_SW.

Referenced by DrawRoadGroundSprites().

RemoveRoad()

static CommandCost RemoveRoad ( TileIndex  tile, DoCommandFlag  flags, RoadBits  pieces, RoadTramType  rtt, bool  town_check  )

static

Delete a piece of road.

Parameters

tile	tile where to remove road from
flags	operation to perform
pieces	roadbits to remove
rt	roadtype to remove
town_check	should we check if the town allows removal?

Definition at line 325 of file road_cmd.cpp.

References MayHaveRoad(), and ROAD_NONE.

RoadVehiclesAreBuilt()

bool RoadVehiclesAreBuilt

(

)

Verify whether a road vehicle is available.

Returns

true if at least one road vehicle is available, false if not

Definition at line 179 of file road_cmd.cpp.

References SpecializedVehicle< T, Type >::Iterate().

UpdateCompanyRoadInfrastructure()

void UpdateCompanyRoadInfrastructure	(	RoadType	rt,
		Owner	o,
		int	count
	)

Update road infrastructure counts for a company.

Parameters

rt	Road type to update count of.
o	Owner of road piece.
count	Number of road pieces to adjust.

Definition at line 190 of file road_cmd.cpp.

References DirtyCompanyInfrastructureWindows(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem<&_company_pool >::GetIfValid(), Pool< Titem, Tindex, Tgrowth_step, Tmax_size, Tpool_type, Tcache, Tzero >::PoolItem< Tpool >::index, Company::infrastructure, INVALID_ROADTYPE, and CompanyInfrastructure::road.

UpdateNearestTownForRoadTiles()

void UpdateNearestTownForRoadTiles

(

bool

invalidate

)

Updates cached nearest town for all road tiles.

Parameters

invalidate

are we just invalidating cached data?

Precondition

invalidate == true implies _generating_world == true

Definition at line 1918 of file road_cmd.cpp.

References _generating_world, HasTownOwnedRoad(), IsRoadDepot(), IsTileType(), MP_ROAD, and Map::Size().

Variable Documentation

_invalid_tileh_slopes_road

const RoadBits _invalid_tileh_slopes_road[2][15]

static

Invalid RoadBits on slopes.

Definition at line 202 of file road_cmd.cpp.

Referenced by CheckRoadSlope(), and GetRoadFoundation().

_road_sloped_sprites

const uint8_t _road_sloped_sprites[14]

Initial value:

= {
  0,  0,  2,  0,
  0,  1,  0,  0,
  3,  0,  0,  0,
  0,  0
}

Definition at line 1323 of file road_cmd.cpp.

_road_tile_strings

const StringID _road_tile_strings[]

static

Initial value:

= {
  STR_LAI_ROAD_DESCRIPTION_ROAD,
  STR_LAI_ROAD_DESCRIPTION_ROAD,
  STR_LAI_ROAD_DESCRIPTION_ROAD,
  STR_LAI_ROAD_DESCRIPTION_ROAD_WITH_STREETLIGHTS,
  STR_LAI_ROAD_DESCRIPTION_ROAD,
  STR_LAI_ROAD_DESCRIPTION_TREE_LINED_ROAD,
  STR_LAI_ROAD_DESCRIPTION_ROAD,
  STR_LAI_ROAD_DESCRIPTION_ROAD,
}

Definition at line 2172 of file road_cmd.cpp.

_road_trackbits

const TrackBits _road_trackbits[16]

static

Initial value:

= {
  TRACK_BIT_NONE,                                  
  TRACK_BIT_NONE,                                  
  TRACK_BIT_NONE,                                  
  TRACK_BIT_LEFT,                                  
  TRACK_BIT_NONE,                                  
  TRACK_BIT_Y,                                     
  TRACK_BIT_LOWER,                                 
  TRACK_BIT_LEFT | TRACK_BIT_LOWER | TRACK_BIT_Y,  
  TRACK_BIT_NONE,                                  
  TRACK_BIT_UPPER,                                 
  TRACK_BIT_X,                                     
  TRACK_BIT_LEFT | TRACK_BIT_UPPER | TRACK_BIT_X,  
  TRACK_BIT_RIGHT,                                 
  TRACK_BIT_RIGHT | TRACK_BIT_UPPER | TRACK_BIT_Y, 
  TRACK_BIT_RIGHT | TRACK_BIT_LOWER | TRACK_BIT_X, 
  TRACK_BIT_ALL,                                   
}

Definition at line 2089 of file road_cmd.cpp.

_roadtypes_type

RoadTypes _roadtypes_type

Bitmap of road/tram types.

Bit if set if a roadtype is tram.

Definition at line 62 of file road_cmd.cpp.

Referenced by ScenarioEditorToolbarWindow::OnPaint().

_roadveh_enter_depot_dir

const uint8_t _roadveh_enter_depot_dir[4]

static

Initial value:

= {
  TRACKDIR_X_SW, TRACKDIR_Y_NW, TRACKDIR_X_NE, TRACKDIR_Y_SE
}

Given the direction the road depot is pointing, this is the direction the vehicle should be travelling in in order to enter the depot.

Definition at line 2253 of file road_cmd.cpp.

_tile_type_road_procs

const TileTypeProcs _tile_type_road_procs

extern

Initial value:

= {
  DrawTile_Road,           
  GetSlopePixelZ_Road,     
  ClearTile_Road,          
  nullptr,                    
  GetTileDesc_Road,        
  GetTileTrackStatus_Road, 
  ClickTile_Road,          
  nullptr,                    
  TileLoop_Road,           
  ChangeTileOwner_Road,    
  nullptr,                    
  VehicleEnter_Road,       
  GetFoundation_Road,      
  TerraformTile_Road,      
}

Tile callback functions for road tiles.

Definition at line 50 of file landscape.cpp.

_town_road_types

const Roadside _town_road_types[][2]

static

Initial value:

= {
  { ROADSIDE_GRASS,         ROADSIDE_GRASS },
  { ROADSIDE_PAVED,         ROADSIDE_PAVED },
  { ROADSIDE_PAVED,         ROADSIDE_PAVED },
  { ROADSIDE_TREES,         ROADSIDE_TREES },
  { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
}

Definition at line 1958 of file road_cmd.cpp.

_town_road_types_2

const Roadside _town_road_types_2[][2]

static

Initial value:

= {
  { ROADSIDE_GRASS,         ROADSIDE_GRASS },
  { ROADSIDE_PAVED,         ROADSIDE_PAVED },
  { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
  { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED },
  { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }
}

Definition at line 1968 of file road_cmd.cpp.