    001    package net.minecraft.tileentity;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import net.minecraft.command.ICommandManager;
    006    import net.minecraft.command.ICommandSender;
    007    import net.minecraft.nbt.NBTTagCompound;
    008    import net.minecraft.network.packet.Packet;
    009    import net.minecraft.network.packet.Packet132TileEntityData;
    010    import net.minecraft.server.MinecraftServer;
    011    import net.minecraft.util.ChunkCoordinates;
    012    import net.minecraft.world.World;
    013
    014    public class TileEntityCommandBlock extends TileEntity implements ICommandSender
    015    {
    016        /** The command this block will execute when powered. */
    017        private String command = "";
    018
    019        /**
    020         * Sets the command this block will execute when powered.
    021         */
    022        public void setCommand(String par1Str)
    023        {
    024            this.command = par1Str;
    025            this.onInventoryChanged();
    026        }
    027
    028        @SideOnly(Side.CLIENT)
    029
    030        /**
    031         * Return the command this command block is set to execute.
    032         */
    033        public String getCommand()
    034        {
    035            return this.command;
    036        }
    037
    038        /**
    039         * Execute the command, called when the command block is powered.
    040         */
    041        public void executeCommandOnPowered(World par1World)
    042        {
    043            if (!par1World.isRemote)
    044            {
    045                MinecraftServer var2 = MinecraftServer.getServer();
    046
    047                if (var2 != null && var2.isCommandBlockEnabled())
    048                {
    049                    ICommandManager var3 = var2.getCommandManager();
    050                    var3.executeCommand(this, this.command);
    051                }
    052            }
    053        }
    054
    055        /**
    056         * Gets the name of this command sender (usually username, but possibly "Rcon")
    057         */
    058        public String getCommandSenderName()
    059        {
    060            return "@";
    061        }
    062
    063        public void sendChatToPlayer(String par1Str) {}
    064
    065        /**
    066         * Returns true if the command sender is allowed to use the given command.
    067         */
    068        public boolean canCommandSenderUseCommand(int par1, String par2Str)
    069        {
    070            return par1 <= 2;
    071        }
    072
    073        /**
    074         * Translates and formats the given string key with the given arguments.
    075         */
    076        public String translateString(String par1Str, Object ... par2ArrayOfObj)
    077        {
    078            return par1Str;
    079        }
    080
    081        /**
    082         * Writes a tile entity to NBT.
    083         */
    084        public void writeToNBT(NBTTagCompound par1NBTTagCompound)
    085        {
    086            super.writeToNBT(par1NBTTagCompound);
    087            par1NBTTagCompound.setString("Command", this.command);
    088        }
    089
    090        /**
    091         * Reads a tile entity from NBT.
    092         */
    093        public void readFromNBT(NBTTagCompound par1NBTTagCompound)
    094        {
    095            super.readFromNBT(par1NBTTagCompound);
    096            this.command = par1NBTTagCompound.getString("Command");
    097        }
    098
    099        /**
    100         * Return the coordinates for this player as ChunkCoordinates.
    101         */
    102        public ChunkCoordinates getPlayerCoordinates()
    103        {
    104            return new ChunkCoordinates(this.xCoord, this.yCoord, this.zCoord);
    105        }
    106
    107        /**
    108         * Overriden in a sign to provide the text.
    109         */
    110        public Packet getDescriptionPacket()
    111        {
    112            NBTTagCompound var1 = new NBTTagCompound();
    113            this.writeToNBT(var1);
    114            return new Packet132TileEntityData(this.xCoord, this.yCoord, this.zCoord, 2, var1);
    115        }
    116    }