pseudo code of fragment award algorithm in Arcaea

arcaea-frag-award.c

void award_fragment() {
  int play_award = 0;
  int clear_award = 0;
  int performance_award = 0;
  int first_clear_award = 0;
  int partner_award = 0;

  int difficulty = Chart->difficulty;
  int clear_type = GameResult::getCalculatedClearType(...);

  if (clear_type == 0) {
    // Track Lost, but higher than 5.5m
    if (ArcUtil::calculateScore(...) >= 5500000)
      play_award = difficulty;
  } else {
    // At least Track Clear
    int diff_award_base;
    switch (difficulty) {
      case 0:  { diff_award_base = 1; break; }
      case 1:  { diff_award_base = 2; break; }
      case 2:  { diff_award_base = 3; break; }
      default: { diff_award_base = 4; }
    }
    int diff_shrinked = floor(difficulty / 1.2);
    clear_award = diff_award_base + 4;
    switch (clear_type) {
      case 1: { // Track Clear
        clear_award = diff_shrinked + diff_award_base + 4;
        break;
      }
      case 2: { // Full Recall
        performance_award = diff_shrinked * 2;
        break;
      }
      case 3: { // Pure Memory
        performance_award = floor(diff_shrinked * 2.7);
        break;
      }
    } // switch (clear_type)

    if (!UnlockManager::getClearedSong(...)) {
      first_clear_award = 10;
    }
  } // clear_type != 0
}