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public static GridElementForm SetConnectionState(GridElement[][] _map, int x, int y)
{
int right;
int left;
int up;
int down;
try { right = (int)_map[x - 1][y].elementType; }
catch { right = 0; }
try { left = (int)_map[x + 1][y].elementType; }
catch { left = 0; }
try { up = (int)_map[x][y - 1].elementType; } catch { up = 0; }
try { down = (int)_map[x][y + 1].elementType; } catch { down = 0; }
//**** I
if (right >= 1 && left >= 1 && up == 0 && down == 0)
{
return GridElementForm.Ihorizontal;
}
else if (right == 0 && left == 0 && up > 0 && down > 0)
{
return GridElementForm.Ivertical;
}
///*********
/// ***** T
else if (right > 0 && left == 0 && up > 0 && down > 0)
{
return GridElementForm.T1;
}
else if (right == 0 && left > 0 && up > 0 && down > 0)
{
return GridElementForm.T2;
}
else if (right > 0 && left > 0 && up == 0 && down > 0)
{
return GridElementForm.T3;
}
else if (right > 0 && left > 0 && up > 0 && down == 0)
{
return GridElementForm.T4;
}
/// *******
/// ******* L
else if (right > 0 && left == 0 && up > 0 && down == 0)
{
return GridElementForm.L2;
}
else if (right == 0 && left > 0 && up > 0 && down == 0)
{
return GridElementForm.L1;
}
else if (right == 0 && left > 0 && up == 0 && down > 0)
{
return GridElementForm.L4;
}
else if (right > 0 && left == 0 && up == 0 && down > 0)
{
return GridElementForm.L3;
}
/// *******
else if (right > 0 && left > 0 && up > 0 && down > 0)
{
return GridElementForm.X;
}
else
{
return 0;
}
}
}