road_internal.h File Reference

Functions used internally by the roads. More...

#include "tile_cmd.h"

Go to the source code of this file.

Functions

RoadBits CleanUpRoadBits (const TileIndex tile, RoadBits org_rb)
 Clean up unneccesary RoadBits of a planed tile.
bool CheckAllowRemoveRoad (TileIndex tile, RoadBits remove, Owner owner, RoadType rt, DoCommandFlag flags, bool town_check=true)
 Is it allowed to remove the given road bits from the given tile?
void DrawTramCatenary (const TileInfo *ti, RoadBits tram)
 Draw the catenary for tram road bits.


Detailed Description

Functions used internally by the roads.

Definition in file road_internal.h.


Function Documentation

bool CheckAllowRemoveRoad ( TileIndex  tile,
RoadBits  remove,
Owner  owner,
RoadType  rt,
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:
true when it is allowed to remove the road bits

Definition at line 114 of file road_cmd.cpp.

References _settings_game, ChangeTownRating(), GameSettings::construction, ConstructionSettings::extra_dynamite, GetAnyRoadBits(), KillFirstBit(), Cheats::magic_bulldozer, OWNER_NONE, OWNER_TOWN, OWNER_WATER, RATING_ROAD_DOWN_STEP_EDGE, RATING_ROAD_DOWN_STEP_INNER, ROAD_NE, ROAD_NONE, ROAD_NW, ROAD_SE, ROAD_SW, ROADTYPE_ROAD, TILE_ADDXY, and Cheat::value.

Referenced by CanRemoveRoadWithStop(), and RemoveRoad().

RoadBits CleanUpRoadBits ( const TileIndex  tile,
RoadBits  org_rb 
)

Clean up unneccesary RoadBits of a planed tile.

Parameters:
tile current tile
org_rb planed RoadBits
Returns:
optimised RoadBits

Definition at line 26 of file road.cpp.

References CountBits(), DIAGDIR_BEGIN, DIAGDIR_END, DiagDirToAxis(), DiagDirToRoadBits(), GetAnyRoadBits(), GetTileType(), IsPossibleCrossing(), IsValidTile(), IsWater(), MirrorRoadBits(), MP_CLEAR, MP_RAILWAY, MP_ROAD, MP_STATION, MP_TREES, MP_TUNNELBRIDGE, MP_WATER, ROAD_NONE, ROADTYPE_ROAD, ROADTYPE_TRAM, and TileAddByDiagDir().

Referenced by GrowTownInTile().

void DrawTramCatenary ( const TileInfo ti,
RoadBits  tram 
)

Draw the catenary for tram road bits.

Parameters:
ti information about the tile (position, slope)
tram the roadbits to draw the catenary for
Draw the catenary for tram road bits.

Parameters:
ti information about the tile (slopes, height etc)
tram the roadbits for the tram

Definition at line 1009 of file road_cmd.cpp.

References AddSortableSpriteToDraw(), BB_HEIGHT_UNDER_BRIDGE, GetBridgeHeight(), GetNorthernBridgeEnd(), GetTileMaxZ(), IsBridgeAbove(), IsInvisibilitySet(), IsTransparencySet(), MayHaveBridgeAbove(), SLOPE_FLAT, TileInfo::tile, TILE_HEIGHT, TileInfo::tileh, TO_CATENARY, TileInfo::x, TileInfo::y, and TileInfo::z.

Referenced by DrawRoadBits(), and DrawTile_Road().


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