Chisel/src/main/java/info/jbcs/minecraft/chisel/entity/EntitySmashingRock.java

package info.jbcs.minecraft.chisel.entity;

import info.jbcs.minecraft.chisel.ChiselBlocks;
import info.jbcs.minecraft.chisel.client.GeneralChiselClient;
import info.jbcs.minecraft.utilities.General;
import net.minecraft.block.Block;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.projectile.EntityThrowable;
import net.minecraft.init.Blocks;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.World;

public class EntitySmashingRock extends EntityThrowable
{

    public EntitySmashingRock(World par1World)
    {
        super(par1World);
    }

    public EntitySmashingRock(World par1World, EntityLivingBase par2EntityLiving)
    {
        super(par1World, par2EntityLiving);
    }

    public EntitySmashingRock(World par1World, double x, double y, double z)
    {
        super(par1World, x, y, z);
    }

    @Override
    protected void onImpact(MovingObjectPosition movingobjectposition)
    {
        int x = movingobjectposition.blockX;
        int y = movingobjectposition.blockY;
        int z = movingobjectposition.blockZ;

        switch(movingobjectposition.sideHit)
        {
            case 0:
                y--;
                break;
            case 1:
                y++;
                break;
            case 2:
                z--;
                break;
            case 3:
                z++;
                break;
            case 4:
                x--;
                break;
            case 5:
                x++;
                break;
        }

        setDead();

        if(worldObj.isRemote)
        {
            worldObj.playSound(x, y, z, "chisel:squash", 1.0f, 1.0f, false);

            //for(int i = 0; i < 32; i++)
            //    GeneralChiselClient.spawn

            return;
        }

        int radius = 5;
        int falloff = 3;

        for(int xx = -radius; xx < radius; xx++)
        {
            for(int yy = -radius; yy < radius; yy++)
            {
                for(int zz = -radius; zz < radius; zz++)
                {
                    double dist = (xx < 0 ? -xx : xx) + (yy < 0 ? -yy : yy) + (zz < 0 ? -zz : zz);

                    if(!(dist < falloff || General.rand.nextInt(radius * 3 - falloff) >= dist * 2))
                        continue;

                    if(!worldObj.isRemote)
                        smash(worldObj, x + xx, y + yy, z + zz);
                }
            }
        }

    }


    public static void smash(World world, int x, int y, int z)
    {
        Block block = world.getBlock(x, y, z);
        int meta = world.getBlockMetadata(x, y, z);
        Block resBlock = block;
        int resMeta = meta;

        if(block.equals(Blocks.stone))
        {
            resBlock = Blocks.cobblestone;
        } else if(block.equals(Blocks.stonebrick) && meta == 0)
        {
            resMeta = 2;
        } else if(block.equals(Blocks.cobblestone))
        {
            resBlock = Blocks.sand;
        } else if(block.equals(Blocks.sand))
        {
            resBlock = Blocks.gravel;
        }

        if(resBlock.equals(block) && resMeta == meta)
            return;
        world.setBlock(x, y, z, resBlock, resMeta, 3);
    }

}