Hbm-s-Nuclear-Tech-GIT/com/hbm/items/tool/ItemMultiDetonator.java

package com.hbm.items.tool;

import java.util.List;

import org.apache.commons.lang3.ArrayUtils;

import com.hbm.interfaces.IBomb;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.ChatComponentText;
import net.minecraft.world.World;

public class ItemMultiDetonator extends Item {

	@Override
	public void addInformation(ItemStack itemstack, EntityPlayer player, List list, boolean bool)
	{
		list.add("Shift right-click block to add position,");
		list.add("right-click to detonate!");
		list.add("Shift right-click in the air to clear postitions.");
		
		if(itemstack.getTagCompound() == null || getLocations(itemstack) == null)
		{
			list.add("No position set!");
		} else {
			
			int[][] locs = getLocations(itemstack);
			
			for(int i = 0; i < locs[0].length; i++) {

				list.add(locs[0][i] + " / " + locs[1][i] + " / " + locs[2][i]);
			}
		}
	}
	
	@Override
    public boolean onItemUse(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int p_77648_7_, float p_77648_8_, float p_77648_9_, float p_77648_10_)
    {
		if(stack.stackTagCompound == null)
		{
			stack.stackTagCompound = new NBTTagCompound();
		}
		
		if(player.isSneaking())
		{
			addLocation(stack, x, y, z);
			
			if(world.isRemote)
			{
				player.addChatMessage(new ChatComponentText("Position added!"));
			}
			
	        world.playSoundAtEntity(player, "hbm:item.techBoop", 2.0F, 1.0F);
        	
			return true;
		}
		
		return false;
    }

	@Override
	public ItemStack onItemRightClick(ItemStack stack, World world, EntityPlayer player) {

		if(stack.stackTagCompound == null || getLocations(stack) == null)
		{
			if(world.isRemote)
				player.addChatMessage(new ChatComponentText("Error: Position not set."));
			
		} else {
			
			if(!player.isSneaking()) {
				int[][] locs = getLocations(stack);
				
				int succ = 0;
				
				for (int i = 0; i < locs[0].length; i++) {
	
					int x = locs[0][i];
					int y = locs[1][i];
					int z = locs[2][i];
	
					if (world.getBlock(x, y, z) instanceof IBomb) {
						world.playSoundAtEntity(player, "hbm:item.techBleep", 1.0F, 1.0F);
						if (!world.isRemote) {
							((IBomb) world.getBlock(x, y, z)).explode(world, x, y, z);
						}
						
						succ++;
					}
				}
				
				if (world.isRemote) {
					player.addChatMessage(new ChatComponentText("Detonated! (" + succ + "/" + locs[0].length + ")"));
				}
			} else {

				stack.stackTagCompound.setIntArray("xValues", new int[0]);
				stack.stackTagCompound.setIntArray("yValues", new int[0]);
				stack.stackTagCompound.setIntArray("zValues", new int[0]);
				
		        world.playSoundAtEntity(player, "hbm:item.techBoop", 2.0F, 1.0F);
				
				if(world.isRemote)
				{
					player.addChatMessage(new ChatComponentText("All positions removed."));
				}
			}
		}
		
		return stack;
		
	}
	
	private static void addLocation(ItemStack stack, int x, int y, int z) {

		if(stack.stackTagCompound == null)
		{
			stack.stackTagCompound = new NBTTagCompound();
		}

		int[] xs = stack.stackTagCompound.getIntArray("xValues");
		int[] ys = stack.stackTagCompound.getIntArray("yValues");
		int[] zs = stack.stackTagCompound.getIntArray("zValues");
		
		stack.stackTagCompound.setIntArray("xValues", ArrayUtils.add(xs, x));
		stack.stackTagCompound.setIntArray("yValues", ArrayUtils.add(ys, y));
		stack.stackTagCompound.setIntArray("zValues", ArrayUtils.add(zs, z));
	}
	
	private static int[][] getLocations(ItemStack stack) {

		int[] xs = stack.stackTagCompound.getIntArray("xValues");
		int[] ys = stack.stackTagCompound.getIntArray("yValues");
		int[] zs = stack.stackTagCompound.getIntArray("zValues");

		if(xs == null || ys == null || zs == null || xs.length == 0 || ys.length == 0 || zs.length == 0) {
			return null;
		}
		
		return new int[][] { xs, ys, zs };
	}
}