//checks quads neighbouring tiles to assign correct texture
string GetKeyForWall(Tile.Wall wall, Tile[] neighbours, int quadrant)
{
string key = wall.ToString() + "_" + quadrant.ToString();
if (quadrant == 1)
{
if (IsWallEmptyOrNull(neighbours [0]) && IsWallEmptyOrNull(neighbours [1]) && IsWallEmptyOrNull(neighbours [4]))
{
key += "Corner";
return(key);
}
if (!IsWallEmptyOrNull(neighbours [0]) && !IsWallEmptyOrNull(neighbours [1]) && IsWallEmptyOrNull(neighbours [4]))
{
key += "iCorner";
return(key);
}
if (IsWallEmptyOrNull(neighbours [0]))
{
key += "N";
return(key);
}
if (IsWallEmptyOrNull(neighbours [1]))
{
key += "E";
return(key);
}
}
if (quadrant == 2)
{
if (IsWallEmptyOrNull(neighbours [2]) && IsWallEmptyOrNull(neighbours [1]) && IsWallEmptyOrNull(neighbours [5]))
{
key += "Corner";
return(key);
}
if (!IsWallEmptyOrNull(neighbours [2]) && !IsWallEmptyOrNull(neighbours [1]) && IsWallEmptyOrNull(neighbours [5]))
{
key += "iCorner";
return(key);
}
if (IsWallEmptyOrNull(neighbours [2]))
{
key += "S";
return(key);
}
if (IsWallEmptyOrNull(neighbours [1]))
{
key += "E";
return(key);
}
}
if (quadrant == 3)
{
if (IsWallEmptyOrNull(neighbours [2]) && IsWallEmptyOrNull(neighbours [3]) && IsWallEmptyOrNull(neighbours [6]))
{
key += "Corner";
return(key);
}
if (!IsWallEmptyOrNull(neighbours [2]) && !IsWallEmptyOrNull(neighbours [3]) && IsWallEmptyOrNull(neighbours [6]))
{
key += "iCorner";
return(key);
}
if (IsWallEmptyOrNull(neighbours [2]))
{
key += "S";
return(key);
}
if (IsWallEmptyOrNull(neighbours [3]))
{
key += "W";
return(key);
}
}
if (quadrant == 4)
{
if (IsWallEmptyOrNull(neighbours [0]) && IsWallEmptyOrNull(neighbours [3]) && IsWallEmptyOrNull(neighbours [7]))
{
key += "Corner";
return(key);
}
if (!IsWallEmptyOrNull(neighbours [0]) && !IsWallEmptyOrNull(neighbours [3]) && IsWallEmptyOrNull(neighbours [7]))
{
key += "iCorner";
return(key);
}
if (IsWallEmptyOrNull(neighbours [0]))
{
key += "N";
return(key);
}
if (IsWallEmptyOrNull(neighbours [3]))
{
key += "W";
return(key);
}
}
return(key);
}