xi = xi or {}

---@enum xi.direction
xi.direction =
{
    EAST       = 0, -- Angle =   0
    SOUTH_EAST = 1, -- Angle =  32
    SOUTH      = 2, -- Angle =  64
    SOUTH_WEST = 3, -- Angle =  96
    WEST       = 4, -- Angle = 128
    NORTH_WEST = 5, -- Angle = 160
    NORTH      = 6, -- Angle = 192
    NORTH_EAST = 7, -- Angle = 224
}