AchieveXPListener.java 文件源码

@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onPlayerExpChange(PlayerLevelChangeEvent event) {
    Player player = event.getPlayer();

    NormalAchievements category = NormalAchievements.LEVELS;
    if (!shouldIncreaseBeTakenIntoAccount(player, category)) {
        return;
    }

    int previousMaxLevel = (int) plugin.getCacheManager().getAndIncrementStatisticAmount(category,
            player.getUniqueId(), 0);

    if (event.getNewLevel() <= previousMaxLevel) {
        return;
    }

    updateStatisticAndAwardAchievementsIfAvailable(player, category, event.getNewLevel() - previousMaxLevel);
}