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Code Issues Activity

(svn r1749) Move the functions which calculate distances to map.[ch] and give the more meaningful names

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tron
2005-01-31 07:23:15 +00:00
parent e1c19367f0
commit 7bbcf5875c
18 changed files with 122 additions and 102 deletions
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37
misc.c
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@@ -533,43 +533,6 @@ void InitializeLandscapeVariables(bool only_constants)
}
}
// distance in Manhattan metric
uint GetTileDist(TileIndex xy1, TileIndex xy2)
{
return myabs(TileX(xy1) - TileX(xy2)) +
myabs(TileY(xy1) - TileY(xy2));
}
// maximum distance in x _or_ y
uint GetTileDist1D(TileIndex xy1, TileIndex xy2)
{
return max(myabs(TileX(xy1) - TileX(xy2)),
myabs(TileY(xy1) - TileY(xy2)));
}
uint GetTileDist1Db(TileIndex xy1, TileIndex xy2)
{
int a = myabs(TileX(xy1) - TileX(xy2));
int b = myabs(TileY(xy1) - TileY(xy2));
if (a > b)
return a*2+b;
else
return b*2+a;
}
uint GetTileDistAdv(TileIndex xy1, TileIndex xy2)
{
uint a = myabs(TileX(xy1) - TileX(xy2));
uint b = myabs(TileY(xy1) - TileY(xy2));
return a*a+b*b;
}
bool CheckDistanceFromEdge(TileIndex tile, uint distance)
{
return IS_INT_INSIDE(TileX(tile), distance, MapSizeX() - distance) &&
IS_INT_INSIDE(TileY(tile), distance, MapSizeY() - distance);
}
void OnNewDay_Train(Vehicle *v);
void OnNewDay_RoadVeh(Vehicle *v);