private bool TryFind2By2(BuildingTile a, int xDir, int zDir, out IEnumerable <BuildingTile> tiles)
{
var b = GetOrCreateBuildingTile(a, xDir, 0);
if (b.hasBuilding)
{
tiles = null;
return(false);
}
var c = GetOrCreateBuildingTile(a, xDir, zDir);
if (c.hasBuilding)
{
tiles = null;
return(false);
}
var d = GetOrCreateBuildingTile(a, 0, zDir);
if (d.hasBuilding)
{
tiles = null;
return(false);
}
tiles = new[]
{
a, b, c, d
};
return(true);
}
private void UpdateNearbyTiles(Vector3 coord)
{
CurrentTile = tiles.GetOrCreateBuildingTile(coord);
if (CurrentTile == null)
{
return;
}
for (var i = -searchNumGrids; i <= searchNumGrids; i++)
{
for (var k = -searchNumGrids; k <= searchNumGrids; k++)
{
if (i == 0 && k == 0)
{
continue;
}
tiles.GetOrCreateBuildingTile(CurrentTile, i, k);
}
}
}
public BuildingTile GetOrCreateBuildingTile(BuildingTile tile, int i, int k)
{
var next = tile.bounds.center.FloorToInt() + new Vector3Int(i, 0, k) * gridSize;
return(GetOrCreateBuildingTile(next));
}