//! Bitflags for drawing operations
enum THDrawFlags
{
    /** Sprite drawing flags **/
    /* Where possible, designed to be the same values used by TH data files */

    //! Draw with the left becoming the right and vice versa
    THDF_FlipHorizontal = 1 <<  0,
    //! Draw with the top becoming the bottom and vice versa
    THDF_FlipVertical   = 1 <<  1,
    //! Draw with 50% transparency
    THDF_Alpha50        = 1 <<  2,
    //! Draw with 75% transparency
    THDF_Alpha75        = 1 <<  3,
    //! Draw using a remapped palette
    THDF_AltPalette     = 1 <<  4,

    /** Object attached to tile flags **/
    /* (should be set prior to attaching to a tile) */

    //! Attach to the early sprite list (right-to-left pass)
    THDF_EarlyList      = 1 << 10,
    //! Keep this sprite at the bottom of the attached list
    THDF_ListBottom     = 1 << 11,
    //! Hit-test using bounding-box precision rather than pixel-perfect
    THDF_BoundBoxHitTest= 1 << 12,
    //! Apply a cropping operation prior to drawing
    THDF_Crop           = 1 << 13,
};