BlockReactor

package net.minecraft.src;

import java.util.Random;

public class BlockReactor extends BlockContainer
{
    {

    this.setCreativeTab(CreativeTabs.tabBlock);
    }

    /**
     * Is the random generator used by furnace to drop the inventory contents in random directions.
     */
    private Random reactorRand = new Random();

    /** True if this is an active furnace, false if idle */
    private final boolean isActive;

    /**
     * This flag is used to prevent the furnace inventory to be dropped upon block removal, is used internally when the
     * furnace block changes from idle to active and vice-versa.
     */
    private static boolean keepReactorInventory = false;

    protected BlockReactor(int par1, boolean par2)
    {
        super(par1, Material.rock);
        this.isActive = par2;
        this.blockIndexInTexture = 188;
    }

    /**
     * Returns the ID of the items to drop on destruction.
     */
    public int idDropped(int par1, Random par2Random, int par3)
    {
        return mod_NuculerMain.ReactorIdle.blockID;
    }

    /**
     * Called whenever the block is added into the world. Args: world, x, y, z
     */
    public void onBlockAdded(World par1World, int par2, int par3, int par4)
    {
        super.onBlockAdded(par1World, par2, par3, par4);
        this.setDefaultDirection(par1World, par2, par3, par4);
    }

    /**
     * set a blocks direction
     */
    private void setDefaultDirection(World par1World, int par2, int par3, int par4)
    {
        if (!par1World.isRemote)
        {
            int var5 = par1World.getBlockId(par2, par3, par4 - 1);
            int var6 = par1World.getBlockId(par2, par3, par4 + 1);
            int var7 = par1World.getBlockId(par2 - 1, par3, par4);
            int var8 = par1World.getBlockId(par2 + 1, par3, par4);
            byte var9 = 3;

            if (Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var6])
            {
                var9 = 3;
            }

            if (Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var5])
            {
                var9 = 2;
            }

            if (Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var8])
            {
                var9 = 5;
            }

            if (Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var7])
            {
                var9 = 4;
            }

            par1World.setBlockMetadataWithNotify(par2, par3, par4, var9);
        }
    }

    /**
     * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side
     */
    public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    {
        if (par5 == 1)
        {
            return mod_NuculerMain.RSide;
        }
        else if (par5 == 0)
        {
            return mod_NuculerMain.RSide;
        }
        else
        {
            int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
            return par5 != var6 ? this.blockIndexInTexture : (this.isActive ? mod_NuculerMain.RFrontActive : this.blockIndexInTexture + 2);
        }
    }

    /**
     * A randomly called display update to be able to add particles or other items for display
     */
    public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random)
    {
        if (this.isActive)
        {
            int var6 = par1World.getBlockMetadata(par2, par3, par4);
            float var7 = (float)par2 + 0.5F;
            float var8 = (float)par3 + 0.0F + par5Random.nextFloat() * 6.0F / 16.0F;
            float var9 = (float)par4 + 0.5F;
            float var10 = 0.52F;
            float var11 = par5Random.nextFloat() * 0.6F - 0.3F;

            if (var6 == 4)
            {
                par1World.spawnParticle("smoke", (double)(var7 - var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
                par1World.spawnParticle("flame", (double)(var7 - var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
            }
            else if (var6 == 5)
            {
                par1World.spawnParticle("smoke", (double)(var7 + var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
                par1World.spawnParticle("flame", (double)(var7 + var10), (double)var8, (double)(var9 + var11), 0.0D, 0.0D, 0.0D);
            }
            else if (var6 == 2)
            {
                par1World.spawnParticle("smoke", (double)(var7 + var11), (double)var8, (double)(var9 - var10), 0.0D, 0.0D, 0.0D);
                par1World.spawnParticle("flame", (double)(var7 + var11), (double)var8, (double)(var9 - var10), 0.0D, 0.0D, 0.0D);
            }
            else if (var6 == 3)
            {
                par1World.spawnParticle("smoke", (double)(var7 + var11), (double)var8, (double)(var9 + var10), 0.0D, 0.0D, 0.0D);
                par1World.spawnParticle("flame", (double)(var7 + var11), (double)var8, (double)(var9 + var10), 0.0D, 0.0D, 0.0D);
            }
        }
    }

    /**
     * Returns the block texture based on the side being looked at.  Args: side
     */
    public int getBlockTextureFromSide(int par1)
    {
        return par1 == 1 ? this.blockIndexInTexture : (par1 == 0 ? this.blockIndexInTexture : (par1 == 3 ? this.blockIndexInTexture + 1 : this.blockIndexInTexture));
    }

    /**
     * Called upon block activation (right click on the block.)
     */
    public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
    {
        if (par1World.isRemote)
        {
            return true;
        }
        else
        {
            TileEntityReactor var10 = (TileEntityReactor)par1World.getBlockTileEntity(par2, par3, par4);

            if (var10 != null)
            {
                ModLoader.openGUI(par5EntityPlayer, new GuiReactor(par5EntityPlayer.inventory, var10));
            }

            return true;
        }
    }

    /**
     * Update which block ID the furnace is using depending on whether or not it is burning
     */
    public static void updateReactorBlockState(boolean par0, World par1World, int par2, int par3, int par4)
    {
        int var5 = par1World.getBlockMetadata(par2, par3, par4);
        TileEntity var6 = par1World.getBlockTileEntity(par2, par3, par4);
        keepReactorInventory = true;

        if (par0)
        {
            par1World.setBlockWithNotify(par2, par3, par4, mod_NuculerMain.ReactorActive.blockID);
        }
        else
        {
            par1World.setBlockWithNotify(par2, par3, par4, mod_NuculerMain.ReactorIdle.blockID);
        }

        keepReactorInventory = false;
        par1World.setBlockMetadataWithNotify(par2, par3, par4, var5);

        if (var6 != null)
        {
            var6.validate();
            par1World.setBlockTileEntity(par2, par3, par4, var6);
        }
    }

    /**
     * Returns a new instance of a block's tile entity class. Called on placing the block.
     */
    public TileEntity createNewTileEntity(World par1World)
    {
        return new TileEntityReactor();
    }

    /**
     * Called when the block is placed in the world.
     */
    public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
    {
        int var6 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3;

        if (var6 == 0)
        {
            par1World.setBlockMetadataWithNotify(par2, par3, par4, 2);
        }

        if (var6 == 1)
        {
            par1World.setBlockMetadataWithNotify(par2, par3, par4, 5);
        }

        if (var6 == 2)
        {
            par1World.setBlockMetadataWithNotify(par2, par3, par4, 3);
        }

        if (var6 == 3)
        {
            par1World.setBlockMetadataWithNotify(par2, par3, par4, 4);
        }
    }

    /**
     * ejects contained items into the world, and notifies neighbours of an update, as appropriate
     */
    public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
    {
        if (!keepReactorInventory)
        {
            TileEntityReactor var7 = (TileEntityReactor)par1World.getBlockTileEntity(par2, par3, par4);

            if (var7 != null)
            {
                for (int var8 = 0; var8 < var7.getSizeInventory(); ++var8)
                {
                    ItemStack var9 = var7.getStackInSlot(var8);

                    if (var9 != null)
                    {
                        float var10 = this.reactorRand.nextFloat() * 0.8F + 0.1F;
                        float var11 = this.reactorRand.nextFloat() * 0.8F + 0.1F;
                        float var12 = this.reactorRand.nextFloat() * 0.8F + 0.1F;

                        while (var9.stackSize > 0)
                        {
                            int var13 = this.reactorRand.nextInt(21) + 10;

                            if (var13 > var9.stackSize)
                            {
                                var13 = var9.stackSize;
                            }

                            var9.stackSize -= var13;
                            EntityItem var14 = new EntityItem(par1World, (double)((float)par2 + var10), (double)((float)par3 + var11), (double)((float)par4 + var12), new ItemStack(var9.itemID, var13, var9.getItemDamage()));

                            if (var9.hasTagCompound())
                            {
                                var14.getEntityItem().setTagCompound((NBTTagCompound)var9.getTagCompound().copy());
                            }

                            float var15 = 0.05F;
                            var14.motionX = (double)((float)this.reactorRand.nextGaussian() * var15);
                            var14.motionY = (double)((float)this.reactorRand.nextGaussian() * var15 + 0.2F);
                            var14.motionZ = (double)((float)this.reactorRand.nextGaussian() * var15);
                            par1World.spawnEntityInWorld(var14);


                        }
                    }
                }
            }
        }

        super.breakBlock(par1World, par2, par3, par4, par5, par6);
    }
}