tile_map.cpp File Reference

Global tile accessors. More...

#include "stdafx.h"
#include "openttd.h"
#include "tile_map.h"
#include "core/math_func.hpp"

Go to the source code of this file.

Functions
Slope	GetTileSlope (TileIndex tile, uint *h)
	Return the slope of a given tile.
uint	GetTileZ (TileIndex tile)
	Get bottom height of the tile.
uint	GetTileMaxZ (TileIndex t)
	Get top height of the tile.

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Detailed Description

Global tile accessors.

Definition in file tile_map.cpp.

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Function Documentation

uint GetTileMaxZ

(

TileIndex

t

)

Get top height of the tile.

Parameters:

tile

Tile to compute height of

Returns:

Maximum height of the tile

Definition at line 75 of file tile_map.cpp.

References MapMaxX(), MapMaxY(), max(), TILE_HEIGHT, TileDiffXY(), TileHeight(), TileX(), and TileY().

Referenced by AutoslopeCheckForEntranceEdge(), BuildTownHouse(), CheckBuildHouseSameZ(), CmdBuildBridge(), DrawCatenary(), DrawCatenaryRailway(), DrawRoadBits(), and DrawTramCatenary().

Slope GetTileSlope	(	TileIndex	tile,
		uint *	h
	)

Return the slope of a given tile.

Parameters:

	tile	Tile to compute slope of
	h	If not NULL, pointer to storage of z height

Returns:

Slope of the tile, except for the HALFTILE part

Definition at line 15 of file tile_map.cpp.

References MapMaxX(), MapMaxY(), MapSize(), min(), SLOPE_E, SLOPE_FLAT, SLOPE_N, SLOPE_S, SLOPE_W, TILE_HEIGHT, TileDiffXY(), TileHeight(), TileX(), and TileY().

Referenced by BuildTownHouse(), CanBuildHouseHere(), CanPlantTreesOnTile(), CheckFlatLandBelow(), CmdBuildBridge(), CmdBuildBuoy(), CmdBuildCanal(), CmdBuildDock(), CmdBuildLock(), CmdBuildRoad(), CmdBuildRoadDepot(), CmdBuildShipDepot(), CmdBuildSingleRail(), CmdBuildTown(), CmdBuildTrainDepot(), CmdBuildTrainWaypoint(), CmdBuildTunnel(), CmdPlantTree(), CmdRemoveSingleRail(), DoBuildShiplift(), DoFloodTile(), DrawCatenaryRailway(), FloodHalftile(), GetBridgeHeight(), GetFloodingBehaviour(), GetFoundationSlope(), GetNearbyTileInformation(), GetTownRoadGridElement(), GrowTown(), GrowTownWithBridge(), IsPossibleCrossing(), IsRoadAllowedHere(), IsWateredTile(), RemoveRoad(), and SetWaterClassDependingOnSurroundings().

uint GetTileZ

(

TileIndex

tile

)

Get bottom height of the tile.

Parameters:

tile

Tile to compute height of

Returns:

Minimum height of the tile

Definition at line 59 of file tile_map.cpp.

References MapMaxX(), MapMaxY(), min(), TILE_HEIGHT, TileDiffXY(), TileHeight(), TileX(), and TileY().

Referenced by DrawCatenaryOnTunnel(), GetOtherTunnelEnd(), GetTerrainType(), IsTunnelInWayDir(), MarkTileDirty(), MarkTileDirtyByTile(), PlaceTreeAtSameHeight(), and PlaceTreesRandomly().