package net.minecraft.block;

import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.item.EntityFallingBlock;
import net.minecraft.init.Blocks;
import net.minecraft.world.World;

public class BlockFalling extends Block
{
	public static boolean fallInstantly;
	private static final String __OBFID = "CL_00000240";

	public BlockFalling()
	{
		super(Material.sand);
		this.setCreativeTab(CreativeTabs.tabBlock);
	}

	public BlockFalling(Material p_i45405_1_)
	{
		super(p_i45405_1_);
	}

	public void onBlockAdded(World p_149726_1_, int p_149726_2_, int p_149726_3_, int p_149726_4_)
	{
		p_149726_1_.scheduleBlockUpdate(p_149726_2_, p_149726_3_, p_149726_4_, this, this.tickRate(p_149726_1_));
	}

	public void onNeighborBlockChange(World p_149695_1_, int p_149695_2_, int p_149695_3_, int p_149695_4_, Block p_149695_5_)
	{
		p_149695_1_.scheduleBlockUpdate(p_149695_2_, p_149695_3_, p_149695_4_, this, this.tickRate(p_149695_1_));
	}

	public void updateTick(World p_149674_1_, int p_149674_2_, int p_149674_3_, int p_149674_4_, Random p_149674_5_)
	{
		if (!p_149674_1_.isRemote)
		{
			this.func_149830_m(p_149674_1_, p_149674_2_, p_149674_3_, p_149674_4_);
		}
	}

	private void func_149830_m(World p_149830_1_, int p_149830_2_, int p_149830_3_, int p_149830_4_)
	{
		if (func_149831_e(p_149830_1_, p_149830_2_, p_149830_3_ - 1, p_149830_4_) && p_149830_3_ >= 0)
		{
			byte b0 = 32;

			if (!fallInstantly && p_149830_1_.checkChunksExist(p_149830_2_ - b0, p_149830_3_ - b0, p_149830_4_ - b0, p_149830_2_ + b0, p_149830_3_ + b0, p_149830_4_ + b0))
			{
				if (!p_149830_1_.isRemote)
				{
					EntityFallingBlock entityfallingblock = new EntityFallingBlock(p_149830_1_, (double)((float)p_149830_2_ + 0.5F), (double)((float)p_149830_3_ + 0.5F), (double)((float)p_149830_4_ + 0.5F), this, p_149830_1_.getBlockMetadata(p_149830_2_, p_149830_3_, p_149830_4_));
					this.func_149829_a(entityfallingblock);
					p_149830_1_.spawnEntityInWorld(entityfallingblock);
				}
			}
			else
			{
				p_149830_1_.setBlockToAir(p_149830_2_, p_149830_3_, p_149830_4_);

				while (func_149831_e(p_149830_1_, p_149830_2_, p_149830_3_ - 1, p_149830_4_) && p_149830_3_ > 0)
				{
					--p_149830_3_;
				}

				if (p_149830_3_ > 0)
				{
					p_149830_1_.setBlock(p_149830_2_, p_149830_3_, p_149830_4_, this);
				}
			}
		}
	}

	protected void func_149829_a(EntityFallingBlock p_149829_1_) {}

	public int tickRate(World p_149738_1_)
	{
		return 2;
	}

	public static boolean func_149831_e(World p_149831_0_, int p_149831_1_, int p_149831_2_, int p_149831_3_)
	{
		Block block = p_149831_0_.getBlock(p_149831_1_, p_149831_2_, p_149831_3_);

		if (block.isAir(p_149831_0_, p_149831_1_, p_149831_2_, p_149831_3_))
		{
			return true;
		}
		else if (block == Blocks.fire)
		{
			return true;
		}
		else
		{
			//TODO: King, take a look here when doing liquids!
			Material material = block.blockMaterial;
			return material == Material.water ? true : material == Material.lava;
		}
	}

	public void func_149828_a(World p_149828_1_, int p_149828_2_, int p_149828_3_, int p_149828_4_, int p_149828_5_) {}
}