afloydironchest/src/main/java/net/brokenmoon/afloydironchest/blocks/IronChest.java

package net.brokenmoon.afloydironchest.blocks;

import net.brokenmoon.afloydironchest.MixinInterfaces.IEntityPlayerMP;
import net.brokenmoon.afloydironchest.MixinInterfaces.IEntityPlayerSP;
import net.brokenmoon.afloydironchest.tileEntities.TileEntityIronChest;
import net.minecraft.src.*;

import java.util.Random;

public class IronChest extends BlockContainerRotatable {

    Random random = new Random();
    public IronChest(int id, Material blockMaterial){
        super(id, blockMaterial);
    }

    @Override
    public void onBlockAdded(World world, int i, int j, int k) {
        super.onBlockAdded(world, i, j, k);
        this.setDefaultDirection(world, i, j, k);
    }

    @Override
    public void onBlockRemoval(World world, int i, int j, int k) {
        TileEntityIronChest te = (TileEntityIronChest)world.getBlockTileEntity(i, j, k);
        for (int l = 0; l < te.getSizeInventory(); ++l) {
            ItemStack itemstack = te.getStackInSlot(l);
            if (itemstack == null) continue;
            float f = this.random.nextFloat() * 0.8f + 0.1f;
            float f1 = this.random.nextFloat() * 0.8f + 0.1f;
            float f2 = this.random.nextFloat() * 0.8f + 0.1f;
            while (itemstack.stackSize > 0) {
                int i1 = this.random.nextInt(21) + 10;
                if (i1 > itemstack.stackSize) {
                    i1 = itemstack.stackSize;
                }
                itemstack.stackSize -= i1;
                EntityItem entityitem = new EntityItem(world, (float)i + f, (float)j + f1, (float)k + f2, new ItemStack(itemstack.itemID, i1, itemstack.getMetadata()));
                float f3 = 0.05f;
                entityitem.motionX = (float)this.random.nextGaussian() * f3;
                entityitem.motionY = (float)this.random.nextGaussian() * f3 + 0.2f;
                entityitem.motionZ = (float)this.random.nextGaussian() * f3;
                world.entityJoinedWorld(entityitem);
            }
        }
        super.onBlockRemoval(world, i, j, k);
    }

    @Override
    public boolean blockActivated(World world, int x, int y, int z, EntityPlayer entityplayer) {
        IInventory chest = (TileEntityIronChest)world.getBlockTileEntity(x, y, z);
        if (!world.isMultiplayerAndNotHost) {
            this.displayGui(entityplayer, chest);
        }
        return true;
    }

    @Override
    protected TileEntity getBlockEntity() {
        return new TileEntityIronChest();
    }

    public static void displayGui(EntityPlayer player, IInventory inventory){
        if(player instanceof EntityPlayerMP) {
            //Multiplayer
            ((IEntityPlayerMP)player).displayGUIIronChest(inventory);
            return;
        }
        //Singleplayer
        ((IEntityPlayerSP)player).displayGUIIronChest(inventory);
    }
}