TombStoneBlock.java

package TombStone;

import java.util.Random;
import java.util.logging.Level;

import cpw.mods.fml.common.FMLLog;

import TombStone.client.ClientProxy;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

import net.minecraft.block.Block;
import net.minecraft.block.BlockContainer;
import net.minecraft.block.material.Material;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.stats.StatList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.Icon;
import net.minecraft.world.Explosion;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class TombStoneBlock extends BlockContainer {
	Icon[] icons;
	private int quantityDropped = 0;
	private boolean explosionRecover = false;
	private TombStoneTileEntity tempEntity;

	public TombStoneBlock (int id) {
		super(id, Material.rock);
		setHardness(2.0F);
		setResistance(5000.0F);	//Set well above an normal material so that it's immune to explosions
		setStepSound(Block.soundStoneFootstep);
		setUnlocalizedName("Tombstone Block");
		setCreativeTab(CreativeTabs.tabBlock);
	}
	
	@Override
	@SideOnly(Side.CLIENT)
	public Icon getIcon(int side, int metadata)
	{
		//We use textures 0-5 for this block
		return icons[side];
	}
	

	
	@Override
	public void registerIcons(net.minecraft.client.renderer.texture.IconRegister iconRegister){
		icons = new Icon[6];
		for(int i = 0; i < icons.length; i++){
			iconRegister.registerIcon("TombStone:block"+i); // assumed to be .png and in [src]/mods/[mod ID]/blocks/
		}
		
	}

	@Override
	public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int idk, float what, float these, float are) {
		TileEntity tileEntity = world.getBlockTileEntity(x, y, z);
		if (tileEntity == null ) { // isSneaking check no longer valid (now part of default Minecraft behavior
			return false;
		}
		
		player.openGui(TombStone.instance, 0, world, x, y, z);
		return true;
	}
	
	@Override
	public void breakBlock(World world, int x, int y, int z, int par5, int par6) {
		dropItems(world, x, y, z);
		
		TombStoneTileEntity tileEntity = (TombStoneTileEntity) world.getBlockTileEntity(x, y, z);
		if(tileEntity.isCrafted())
		{
			//TODO - Do something
			quantityDropped = 1;
		}
			
		super.breakBlock(world, x, y, z, par5, par6);
		
		for(int i=0; i<TombStone.instance.tombList.size(); i++)
		{
			TombStoneTileEntity item = TombStone.instance.tombList.get(i);
			if(item.xCoord == x && item.yCoord == y && item.zCoord == z)
			{
				TombStone.instance.tombList.remove(i);
				break;
			}
		}
	}
	
	@Override
	public void harvestBlock(World par1World, EntityPlayer par2EntityPlayer, int par3, int par4, int par5, int par6)
	{
		super.harvestBlock(par1World, par2EntityPlayer, par3, par4, par5, par6);

		//Reset the drop quantity		
		if(quantityDropped == 1)
			quantityDropped = 0;
	}

	@Override
    public int quantityDropped(Random par1Random)
    {
        return quantityDropped;
    }
	
	private void dropItems(World world, int x, int y, int z){
		if(explosionRecover)
			return;
		
		Random rand = new Random();
		
		//Capture the TombStoneTileEntity based on the position of the block
		TileEntity tileEntity = world.getBlockTileEntity(x, y, z);
		if (!(tileEntity instanceof IInventory)) {
			return;
		}
		
		//And get the inventory space of the tile entity
		IInventory inventory = (IInventory) tileEntity;
		
		//Loop through all slots in the tombstone
		for (int i = 0; i < inventory.getSizeInventory(); i++) {
			ItemStack item = inventory.getStackInSlot(i);
			
			//Only do something if the slot is valid
			if (item != null && item.stackSize > 0) {
				//Calculate a random velocity for the item
				float rx = rand.nextFloat() * 0.8F + 0.1F;
				float ry = rand.nextFloat() * 0.8F + 0.1F;
				float rz = rand.nextFloat() * 0.8F + 0.1F;
				
				//Create the item
				EntityItem entityItem = new EntityItem(world,
				                x + rx, y + ry, z + rz,
				                new ItemStack(item.itemID, item.stackSize, item.getItemDamage()));
				
				//Copy any NBT tags associated with the item
				if (item.hasTagCompound()) {
					// func_92014_d() appears to be getEntityItem()
					entityItem.getEntityItem().setTagCompound((NBTTagCompound) item.getTagCompound().copy());
				}
				
				//Assign the velocity
				float factor = 0.05F;
				entityItem.motionX = rand.nextGaussian() * factor;
				entityItem.motionY = rand.nextGaussian() * factor + 0.2F;
				entityItem.motionZ = rand.nextGaussian() * factor;
				
				//Spawn the item
				world.spawnEntityInWorld(entityItem);
				
				//Set the local slot to empty
				item.stackSize = 0;
			}
		}
	}
	@Override
	public TileEntity createTileEntity(World world, int metadata) {
		return new TombStoneTileEntity();
	}
	
	@Override
	public TileEntity createNewTileEntity(World world) {
		return new TombStoneTileEntity();
	}
	
    public boolean renderAsNormalBlock()
    {
        return false;
    }
    
    public int getRenderType()
    {
        return -1;
    }
    
    public boolean isOpaqueCube()
    {
        return false;
    }

    public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    {
        return false;
    }
    
    public boolean canDropFromExplosion(Explosion par1Explosion)
    {
		//DEBUG//
		FMLLog.log(Level.WARNING, "[TombStone] TombStoneBlock.canDropFromExplosion(): " + par1Explosion.exploder.getEntityName());
		
		explosionRecover = true;

        return true;
    }
    
    public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
    {
    	super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, par7);
    	
    	//If we're trying to recover from an explosion, backup the tile entity
    	if(explosionRecover)
    		tempEntity = (TombStoneTileEntity) par1World.getBlockTileEntity(par2, par3, par4);    	
    }
    
    public void onBlockDestroyedByExplosion(World par1World, int par2, int par3, int par4, Explosion expl)
    {
		//DEBUG//
		FMLLog.log(Level.WARNING, "[TombStone] TombStoneBlock.onBlockDestroyedByExplosion(): " + par2 + "," + par3 + "," + par4);
   	
		//We get here because the tombstone is placed between doExplosionA() and doExplosionB() because that's when the player dies
		//This creates a problem because doExplosionA() is the one that checks the explosion resistance for blocks ...
		//Ergo the location where the tombstone is about to exist has already been marked for demolition
		
		//If destroyed by explosion place it right back
		par1World.setBlock(par2, par3, par4, TombStone.instance.tombStoneBlockId, 0, 1 | 2);
		TombStoneTileEntity blockTileEntity = (TombStoneTileEntity) par1World.getBlockTileEntity(par2, par3, par4);
		blockTileEntity.setOwner(tempEntity.getOwner());
		blockTileEntity.setDeathText(tempEntity.getDeathText());
		blockTileEntity.setIsCrafted(tempEntity.isCrafted());
		for(int i=0; i<tempEntity.getSizeInventory(); i++)
		{
			ItemStack playerItem = tempEntity.getStackInSlot(i);
			blockTileEntity.setInventorySlotContents(i, playerItem);
		}

		tempEntity = null;
		explosionRecover = false;
    }
}