Schematic builder item

BuilderItem.java

package com.multi.microZ.item.admin;

import com.multi.microZ.Core;
import com.multi.microZ.handlers.OtherHandlers;
import com.multi.microZ.item.admin.AdminItem;
import com.multi.microZ.utils.OtherUtils;
import com.multi.microZ.utils.SchemUtils;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.world.World;

import java.util.List;

/**
 * Created by multimote on 05.07.14.
 */
public class BuilderItem extends AdminItem {
    private String schematic;
    private int ylevel;
    private int xShift;
    private boolean logBuilding;
    private SchemUtils sut;

    public BuilderItem(String schematic, int ylevel, int xShift, boolean logBuilding){
        setUnlocalizedName("test builder");
        this.schematic = schematic;
        this.ylevel = ylevel;
        this.xShift = xShift;
        this.logBuilding = logBuilding;
        this.setCreativeTab(Core.dayztab_builders);
        sut = new SchemUtils();

    }

    public int getYlevel(){
        return ylevel;
    }
    public int getxShift(){
        return xShift;
    }

    public String getSchematicName(){
        return schematic;
    }

    public void onUpdate(ItemStack is, World w, Entity ent, int par4, boolean par5){
        super.onUpdate(is, w, ent, par4, par5);
        checkCompound(is);
        if(getIntIfNotNull(is, "delay")>0)decrementIntIfNotNull(is, "delay");
    }

    public boolean onItemUse(ItemStack is, EntityPlayer placer, World world, int x, int y, int z, int side, float px, float py, float pz) {

        if(!world.isRemote && !getBoolIfNotNull(is, "blocked") && getIntIfNotNull(is, "delay")<=0 && side == 1 && OtherUtils.checkPermsAndSendMsg(placer)){
        setBoolIfNotNull(is, "blocked", true);
        setIntIfNotNull(is, "delay", 20);
        int rotation = OtherUtils.getPlayerRotationSide(placer);
        SchemUtils.Schematic sh = sut.get(schematic);
        if(sh==null){
            placer.addChatMessage(new ChatComponentText("Schematic is ded!"));
            world.playSoundAtEntity(placer, "microz:other.ded", 0.5F, 1.0F);
            //this.setUnlocalizedName("builder_corrupt");
            setBoolIfNotNull(is, "corrupt", true);
        return false;
        }

       if(logBuilding)placer.addChatMessage(new ChatComponentText("Building started."));

        int i = 0;
        for(int sy = 0; sy < sh.height; sy++)
        for(int sz = 0; sz < sh.length; sz++)
        for(int sx = 0; sx < sh.width; sx++){

                Block b = Block.getBlockById(sh.blocks[i]);
                if(b!= Blocks.air)
                {
                    int rx = sut.blockCoordsRotation(sx - this.getxShift(), sz, rotation)[0];
                    int rz = sut.blockCoordsRotation(sx - this.getxShift(), sz, rotation)[1];
                    world.setBlockToAir(x + rx, y + ylevel + sy, z + rz);
                    world.setBlock(x+rx, y+ylevel+sy, z+rz, b, sut.rotateMeta(sh.blocks[i], sh.data[i], rotation), 2);
                }
                i++;
        }

        if (sh.tileentities != null)
        {
            for (int i1 = 0; i1 < sh.tileentities.tagCount(); ++i1)
            {
                NBTTagCompound nbttagcompound4 = sh.tileentities.getCompoundTagAt(i1);
                TileEntity tileentity = TileEntity.createAndLoadEntity(nbttagcompound4);

                if (tileentity != null)
                {
                    int[] conv2 = sut.blockCoordsRotation(tileentity.xCoord - this.getxShift(), tileentity.zCoord, rotation);
                    tileentity.xCoord = x + conv2[0];
                    tileentity.yCoord += y+ylevel;
                    tileentity.zCoord = z + conv2[1];
                    world.setTileEntity(tileentity.xCoord, tileentity.yCoord, tileentity.zCoord, tileentity);
                }
            }
        }

       if(logBuilding) placer.addChatMessage(new ChatComponentText("Building finished."));
        setBoolIfNotNull(is, "blocked", false);
        return true;
        }
        return false;
    }

    @Override
    public void addInformation(ItemStack is, EntityPlayer p, List list, boolean par4) {
        super.addInformation(is, p, list, par4);
        if(getBoolIfNotNull(is, "blocked") || getIntIfNotNull(is, "delay")>0)
        {
            if(getBoolIfNotNull(is, "corrupt"))
            list.add(EnumChatFormatting.RED + "Blocked and corrupt");
            else
            list.add(EnumChatFormatting.GOLD + "Blocked");
        }
    }
}