newgrf_commons.cpp File Reference

Implementation of the class OverrideManagerBase and its descendance, present and futur. More...

#include "stdafx.h"
#include "landscape.h"
#include "house.h"
#include "industrytype.h"
#include "newgrf.h"
#include "clear_map.h"
#include "station_map.h"
#include "tree_map.h"
#include "tunnelbridge_map.h"
#include "newgrf_object.h"
#include "genworld.h"

Go to the source code of this file.

Functions

uint32 GetTerrainType (TileIndex tile, TileContext context)
 Function used by houses (and soon industries) to get information on type of "terrain" the tile it is queries sits on.
TileIndex GetNearbyTile (byte parameter, TileIndex tile, bool signed_offsets)
 Get the tile at the given offset.
uint32 GetNearbyTileInformation (TileIndex tile)
 Common part of station var 0x67, house var 0x62, indtile var 0x60, industry var 0x62.

Detailed Description

Implementation of the class OverrideManagerBase and its descendance, present and futur.

Definition in file newgrf_commons.cpp.


Function Documentation

TileIndex GetNearbyTile ( byte  parameter,
TileIndex  tile,
bool  signed_offsets 
)

Get the tile at the given offset.

Parameters:
parameter The NewGRF "encoded" offset.
tile The tile to base the offset from.
signed_offsets Whether the offsets are to be interpreted as signed or not.
Returns:
The tile at the offset.

Definition at line 404 of file newgrf_commons.cpp.

References AXIS_Y, GB(), GetRailStationAxis(), HasStationTileRail(), Swap(), TILE_MASK, and TileDiffXY().

Referenced by GetNearbyAirportTileInformation(), GetNearbyIndustryTileInformation(), GetNearbyObjectTileInformation(), HouseGetVariable(), IndustryGetVariable(), and ObjectGetVariable().

uint32 GetNearbyTileInformation ( TileIndex  tile  ) 

Common part of station var 0x67, house var 0x62, indtile var 0x60, industry var 0x62.

Parameters:
tile the tile of interest.
Returns:
0czzbbss: c = TileType; zz = TileZ; bb: 7-3 zero, 4-2 TerrainType, 1 water/shore, 0 zero; ss = TileSlope

Definition at line 425 of file newgrf_commons.cpp.

References GetTerrainType(), GetTileSlope(), GetTileType(), GetTreeGround(), IsTileType(), MP_TREES, MP_WATER, and TREE_GROUND_SHORE.

Referenced by GetNearbyAirportTileInformation(), GetNearbyIndustryTileInformation(), GetNearbyObjectTileInformation(), and HouseGetVariable().

uint32 GetTerrainType ( TileIndex  tile,
TileContext  context 
)

Function used by houses (and soon industries) to get information on type of "terrain" the tile it is queries sits on.

Parameters:
tile TileIndex of the tile been queried
context The context of the tile.
Returns:
value corresponding to the grf expected format: Terrain type: 0 normal, 1 desert, 2 rainforest, 4 on or above snowline

Definition at line 330 of file newgrf_commons.cpp.

References _generating_world, _settings_game, GameSettings::game_creation, GetBridgeHeight(), GetClearDensity(), GetSnowLine(), GetTileMaxZ(), GetTileType(), GetTileZ(), GetTreeDensity(), GetTreeGround(), GetTropicZone(), HasTunnelBridgeSnowOrDesert(), IsOnSnow(), IsSnowTile(), GameCreationSettings::landscape, MP_CLEAR, MP_HOUSE, MP_INDUSTRY, MP_OBJECT, MP_RAILWAY, MP_ROAD, MP_STATION, MP_TREES, MP_TUNNELBRIDGE, MP_VOID, MP_WATER, RAIL_GROUND_HALF_SNOW, RAIL_GROUND_ICE_DESERT, TCX_ON_BRIDGE, TCX_UPPER_HALFTILE, TREE_GROUND_ROUGH_SNOW, and TREE_GROUND_SNOW_DESERT.

Referenced by GetNearbyTileInformation(), HouseGetVariable(), and ObjectGetVariable().


Generated on Sun May 8 07:30:27 2011 for OpenTTD by  doxygen 1.6.1