import net.minecraft.stats.StatisticsManagerServer; //导入依赖的package包/类
/** Builds the basic achievement world data to be used as observation signals by the listener.
 * @param json a JSON object into which the achievement stats will be added.
 */
public static void buildAchievementStats(JsonObject json, EntityPlayerMP player)
{
    StatisticsManagerServer sfw = player.getStatFile();
    json.addProperty("DistanceTravelled", 
            sfw.readStat((StatBase)StatList.WALK_ONE_CM) 
            + sfw.readStat((StatBase)StatList.SWIM_ONE_CM)
            + sfw.readStat((StatBase)StatList.DIVE_ONE_CM) 
            + sfw.readStat((StatBase)StatList.FALL_ONE_CM)
            ); // TODO: there are many other ways of moving!
    json.addProperty("TimeAlive", sfw.readStat((StatBase)StatList.TIME_SINCE_DEATH));
    json.addProperty("MobsKilled", sfw.readStat((StatBase)StatList.MOB_KILLS));
    json.addProperty("PlayersKilled", sfw.readStat((StatBase)StatList.PLAYER_KILLS));
    json.addProperty("DamageTaken", sfw.readStat((StatBase)StatList.DAMAGE_TAKEN));
    json.addProperty("DamageDealt", sfw.readStat((StatBase)StatList.DAMAGE_DEALT));

    /* Other potential reinforcement signals that may be worth researching:
    json.addProperty("BlocksDestroyed", sfw.readStat((StatBase)StatList.objectBreakStats) - but objectBreakStats is an array of 32000 StatBase objects - indexed by block type.);
    json.addProperty("Blocked", ev.player.isMovementBlocked()) - but isMovementBlocker() is a protected method (can get round this with reflection)
    */
}
 

import net.minecraft.stats.StatisticsManagerServer; //导入依赖的package包/类
@Override
public StatisticsManagerServer getStatFile() {
	if(m_realPlayer != null) {
		syncToRealPlayer();
		return syncPublicFieldsFromRealAndReturn(m_realPlayer.getStatFile());
	} else {
		return super.getStatFile();
	}
}
 

import net.minecraft.stats.StatisticsManagerServer; //导入依赖的package包/类
public PlayerList(MinecraftServer server)
{
    this.bannedPlayers = new UserListBans(FILE_PLAYERBANS);
    this.bannedIPs = new UserListIPBans(FILE_IPBANS);
    this.ops = new UserListOps(FILE_OPS);
    this.whiteListedPlayers = new UserListWhitelist(FILE_WHITELIST);
    this.playerStatFiles = Maps.<UUID, StatisticsManagerServer>newHashMap();
    this.mcServer = server;
    this.bannedPlayers.setLanServer(false);
    this.bannedIPs.setLanServer(false);
    this.maxPlayers = 8;
}
 

import net.minecraft.stats.StatisticsManagerServer; //导入依赖的package包/类
/**
 * also stores the NBTTags if this is an intergratedPlayerList
 */
protected void writePlayerData(EntityPlayerMP playerIn)
{
    this.playerNBTManagerObj.writePlayerData(playerIn);
    StatisticsManagerServer statisticsmanagerserver = (StatisticsManagerServer)this.playerStatFiles.get(playerIn.getUniqueID());

    if (statisticsmanagerserver != null)
    {
        statisticsmanagerserver.saveStatFile();
    }
}
 

import net.minecraft.stats.StatisticsManagerServer; //导入依赖的package包/类
/**
 * also stores the NBTTags if this is an intergratedPlayerList
 */
protected void writePlayerData(EntityPlayerMP playerIn)
{
    if (playerIn.connection == null) return;

    this.playerNBTManagerObj.writePlayerData(playerIn);
    StatisticsManagerServer statisticsmanagerserver = (StatisticsManagerServer)this.playerStatFiles.get(playerIn.getUniqueID());

    if (statisticsmanagerserver != null)
    {
        statisticsmanagerserver.saveStatFile();
    }
}
 

import net.minecraft.stats.StatisticsManagerServer; //导入依赖的package包/类
/**
 * Gets the stats file for reading achievements
 */
public StatisticsManagerServer getStatFile()
{
    return this.statsFile;
}