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 var4 = par2ArrayOfStr[0];
036            boolean var5 = var4.endsWith("l") || var4.endsWith("L");
037
038            if (var5 && var4.length() > 1)
039            {
040                var4 = var4.substring(0, var4.length() - 1);
041            }
042
043            int var6 = parseInt(par1ICommandSender, var4);
044            boolean var7 = var6 < 0;
045
046            if (var7)
047            {
048                var6 *= -1;
049            }
050
051            EntityPlayerMP var3;
052
053            if (par2ArrayOfStr.length > 1)
054            {
055                var3 = func_82359_c(par1ICommandSender, par2ArrayOfStr[1]);
056            }
057            else
058            {
059                var3 = getCommandSenderAsPlayer(par1ICommandSender);
060            }
061
062            if (var5)
063            {
064                if (var7)
065                {
066                    var3.addExperienceLevel(-var6);
067                    notifyAdmins(par1ICommandSender, "commands.xp.success.negative.levels", new Object[] {Integer.valueOf(var6), var3.getEntityName()});
068                }
069                else
070                {
071                    var3.addExperienceLevel(var6);
072                    notifyAdmins(par1ICommandSender, "commands.xp.success.levels", new Object[] {Integer.valueOf(var6), var3.getEntityName()});
073                }
074            }
075            else
076            {
077                if (var7)
078                {
079                    throw new WrongUsageException("commands.xp.failure.widthdrawXp", new Object[0]);
080                }
081
082                var3.addExperience(var6);
083                notifyAdmins(par1ICommandSender, "commands.xp.success", new Object[] {Integer.valueOf(var6), var3.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(int par1)
105    {
106        return par1 == 1;
107    }
108}