public static string CheckEnemy(MyDm dm) { if (string.IsNullOrEmpty(enemy_fonts)) { enemy_fonts = string.Join("|", GetEnemyNames()); dm.SetDict(0, font_file); } var p = dm.FindPic(0, 0, 2000, 2000, "resources/arrow1.bmp"); if (p.X <= 0) { return(null); } var w = 203; var h = 331; var left = p.X - w; var top = p.Y; var mask_str = ""; for (int i = 0; i < 5; i++) { var x1 = left + 13; var y1 = top + 9 + 68 * i; var r = dm.FindStr(x1, y1, x1 + 157, y1 + 15, enemy_fonts, "f1ffb1-555555"); mask_str += r.X > 0 ? 1 : 0; } return(mask_str); }