Chisel/src/main/java/com/cricketcraft/chisel/entity/EntityCloudInABottle.java

package com.cricketcraft.chisel.entity;

import java.util.Random;

import com.cricketcraft.chisel.init.ModBlocks;

import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.projectile.EntityThrowable;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.World;

public class EntityCloudInABottle extends EntityThrowable
{
    Random rand = new Random();

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

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

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

    @Override
    protected void onImpact(MovingObjectPosition movingobjectposition)
    {
        if(worldObj.isRemote)
            return;

        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;
        }

        generate(worldObj, rand, x, y, z, 40);

        worldObj.playAuxSFX(2002, (int) Math.round(this.posX), (int) Math.round(this.posY), (int) Math.round(this.posZ), 2);
        setDead();
    }

    public boolean generate(World world, Random random, int gx, int gy, int gz, int numberOfBlocks)
    {
        int X[] = new int[9];
        int Y[] = new int[9];
        int Z[] = new int[9];

        for(int dir = 0; dir < 9; dir++)
        {
            X[dir] = gx;
            Y[dir] = gy;
            Z[dir] = gz;
        }
        int count = 0;
        while(count < numberOfBlocks)
        {
            for(int dir = 0; dir < 9; dir++)
            {
                if(count >= numberOfBlocks)
                    break;

                int dx = dir % 3 - 1;
                int dz = dir / 3 - 1;

                if(dx == 0 && dz == 0)
                    continue;

                X[dir] += random.nextInt(3) - 1 + dx;
                Z[dir] += random.nextInt(3) - 1 + dz;
                Y[dir] += random.nextInt(2) * (random.nextInt(3) - 1);

                int x = X[dir];
                int y = Y[dir];
                int z = Z[dir];

                for(int j2 = x; j2 < x + random.nextInt(4) + 1; j2++)
                {
                    for(int k2 = y; k2 < y + random.nextInt(1) + 2; k2++)
                    {
                        for(int l2 = z; l2 < z + random.nextInt(4) + 1; l2++)
                        {
                            if(world.getBlock(j2, k2, l2).isAir(world, j2, k2, l2) && Math.abs(j2 - x) + Math.abs(k2 - y) + Math.abs(l2 - z) < 4 * 1 + random.nextInt(2))
                            {
                                world.setBlock(j2, k2, l2, ModBlocks.cloud);
                                count++;
                            }
                        }
                    }
                }
            }
        }

        //System.out.println("Created " + count + " cloud blocks.");

        return true;
    }

}