001package net.minecraft.command;
002
003import java.util.List;
004import net.minecraft.entity.player.EntityPlayerMP;
005import net.minecraft.server.MinecraftServer;
006
007public class CommandXP extends CommandBase
008{
009    public String getCommandName()
010    {
011        return "xp";
012    }
013
014    /**
015     * Return the required permission level for this command.
016     */
017    public int getRequiredPermissionLevel()
018    {
019        return 2;
020    }
021
022    public String getCommandUsage(ICommandSender par1ICommandSender)
023    {
024        return par1ICommandSender.translateString("commands.xp.usage", new Object[0]);
025    }
026
027    public void processCommand(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
028    {
029        if (par2ArrayOfStr.length <= 0)
030        {
031            throw new WrongUsageException("commands.xp.usage", new Object[0]);
032        }
033        else
034        {
035            String s = par2ArrayOfStr[0];
036            boolean flag = s.endsWith("l") || s.endsWith("L");
037
038            if (flag && s.length() > 1)
039            {
040                s = s.substring(0, s.length() - 1);
041            }
042
043            int i = parseInt(par1ICommandSender, s);
044            boolean flag1 = i < 0;
045
046            if (flag1)
047            {
048                i *= -1;
049            }
050
051            EntityPlayerMP entityplayermp;
052
053            if (par2ArrayOfStr.length > 1)
054            {
055                entityplayermp = func_82359_c(par1ICommandSender, par2ArrayOfStr[1]);
056            }
057            else
058            {
059                entityplayermp = getCommandSenderAsPlayer(par1ICommandSender);
060            }
061
062            if (flag)
063            {
064                if (flag1)
065                {
066                    entityplayermp.addExperienceLevel(-i);
067                    notifyAdmins(par1ICommandSender, "commands.xp.success.negative.levels", new Object[] {Integer.valueOf(i), entityplayermp.getEntityName()});
068                }
069                else
070                {
071                    entityplayermp.addExperienceLevel(i);
072                    notifyAdmins(par1ICommandSender, "commands.xp.success.levels", new Object[] {Integer.valueOf(i), entityplayermp.getEntityName()});
073                }
074            }
075            else
076            {
077                if (flag1)
078                {
079                    throw new WrongUsageException("commands.xp.failure.widthdrawXp", new Object[0]);
080                }
081
082                entityplayermp.addExperience(i);
083                notifyAdmins(par1ICommandSender, "commands.xp.success", new Object[] {Integer.valueOf(i), entityplayermp.getEntityName()});
084            }
085        }
086    }
087
088    /**
089     * Adds the strings available in this command to the given list of tab completion options.
090     */
091    public List addTabCompletionOptions(ICommandSender par1ICommandSender, String[] par2ArrayOfStr)
092    {
093        return par2ArrayOfStr.length == 2 ? getListOfStringsMatchingLastWord(par2ArrayOfStr, this.getAllUsernames()) : null;
094    }
095
096    protected String[] getAllUsernames()
097    {
098        return MinecraftServer.getServer().getAllUsernames();
099    }
100
101    /**
102     * Return whether the specified command parameter index is a username parameter.
103     */
104    public boolean isUsernameIndex(String[] par1ArrayOfStr, int par2)
105    {
106        return par2 == 1;
107    }
108}