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(svn r12028) -Codechange: Split common part of station var 0x67, house var 0x62, indtile var 0x60 and industry var 0x62 to 'newgrf_commons.cpp'.

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frosch
2008-01-31 17:46:08 +00:00
parent ef35cefddc
commit fe9891c8ec
5 changed files with 24 additions and 20 deletions
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16
src/newgrf_commons.cpp
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@@ -285,3 +285,19 @@ TileIndex GetNearbyTile(byte parameter, TileIndex tile)
/* Make sure we never roam outside of the map */
return TILE_MASK(tile + TileDiffXY(x, y));
}
/**
* Common part of station var 0x67 , house var 0x62, indtile var 0x60, industry var 0x62.
*
* @param tile the tile of interest.
* @return 0czzbbss: c = TileType; zz = TileZ; bb: 7-3 zero, 4-2 TerrainType, 1 water/shore, 0 zero; ss = TileSlope
*/
uint32 GetNearbyTileInformation(TileIndex tile)
{
TileType tile_type = GetTileType(tile);
uint z;
Slope tileh = GetTileSlope(tile, &z);
byte terrain_type = GetTerrainType(tile) << 2 | (tile_type == MP_WATER ? 1 : 0) << 1;
return tile_type << 24 | z << 16 | terrain_type << 8 | tileh;
}