TileEntitySauceMaker

 package com.chef.mod.tileentity;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemHoe;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.item.ItemTool;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;

import com.chef.mod.Chef;
import com.chef.mod.crafting.SauceMakerRecipes;
import com.chef.mod.machines.SauceMaker;

import cpw.mods.fml.common.registry.GameRegistry;

public class TileEntitySauceMaker extends TileEntity implements ISidedInventory {

	private ItemStack slots[];

	private static final int[] slots_top = new int[] {0, 1};
	private static final int[] slots_bottom = new int[] {3};
	private static final int[] slots_side = new int[] {2};

	private String customName;

	public TileEntitySauceMaker() {
		slots = new ItemStack [4];
	}

	//Progress bar speed, The higher the number, the slower it goes [Default: 200]
	public int burnTime;
	public int currentItemBurnTime;
	public int cookTime;
	public static final int furnaceSpeed = 250;

	@Override
	public int getSizeInventory() {
		return this.slots.length;
	}

	@Override
	public ItemStack getStackInSlot(int i) {
		return slots[i];
	}

	@Override
	public ItemStack getStackInSlotOnClosing(int i) {
		if (slots[i] != null) {
			ItemStack itemstack = slots[i];
			slots[i] = null;
			return itemstack;
		}else{
			return null;
		}
	}

	@Override
	public void setInventorySlotContents(int i, ItemStack itemstack) {
		slots[i] = itemstack;
		if (itemstack != null && itemstack.stackSize > getInventoryStackLimit()) {
			itemstack.stackSize = getInventoryStackLimit();
		}
	}

	@Override
	public int[] getAccessibleSlotsFromSide(int i) {
		if (i == 0) {
			return slots_bottom;
		} else if (i == 1) {
			return slots_top;
		} else {
			return slots_side;
		}
	}

	@Override
	//choose wich Stack limit every slot in the furnace has.
	public int getInventoryStackLimit() {
		return 64;
	}

	@Override
	public boolean isUseableByPlayer(EntityPlayer player) {
		if (worldObj.getTileEntity(xCoord, yCoord, zCoord) != this) {
			return false;
		}else{
			return player.getDistanceSq((double)xCoord + 0.5D, (double)yCoord + 0.5D, (double)zCoord + 0.5D) <= 64;
		}
	}

	public void openInventory() {}
	public void closeInventory() {}


	@Override
	public boolean isItemValidForSlot(int i, ItemStack itemstack) {
		return i == 2 ? false : (i == 1 ? isItemFuel(itemstack) : true);
	}


	public static boolean isItemFuel (ItemStack itemstack) {
		return getItemBurnTime(itemstack) > 0;
	}

	public static boolean isItemBowl (ItemStack itemstack) {
		Item item = itemstack.getItem();

		if (item == Items.bowl) {
			return true;
		} else {
			return false;
		}
	}

	public static boolean isItemIngredient(ItemStack itemstack) {
		Item item = itemstack.getItem();

		if (item == Chef.foodChocolate) {
			return true;
		} else if (item == Chef.cropStrawberry) {
			return true;
		} else if (item == Chef.cropPerfectStrawberry) {
			return true;
		} else if (item == Chef.cropBlueberry) {
			return true;
		} else if (item == Chef.foodCaramel) {
			return true;
		} else {
			return false;
		}
	}

    public static int getItemBurnTime(ItemStack itemstack)
    {
        if (itemstack == null)
        {
            return 0;
        }
        else
        {
            Item item = itemstack.getItem();

            if (item instanceof ItemBlock && Block.getBlockFromItem(item) != Blocks.air)
            {
                Block block = Block.getBlockFromItem(item);

                if (block == Blocks.wooden_slab)
                {
                    return 150;
                }

                if (block.getMaterial() == Material.wood)
                {
                    return 300;
                }

                if (block == Blocks.coal_block)
                {
                    return 16000;
                }
            }

            if (item instanceof ItemTool && ((ItemTool)item).getToolMaterialName().equals("WOOD")) return 200;
            if (item instanceof ItemSword && ((ItemSword)item).getToolMaterialName().equals("WOOD")) return 200;
            if (item instanceof ItemHoe && ((ItemHoe)item).getToolMaterialName().equals("WOOD")) return 200;
            if (item == Items.stick) return 100;
            if (item == Items.coal) return 1600;
            if (item == Items.lava_bucket) return 20000;
            if (item == Item.getItemFromBlock(Blocks.sapling)) return 100;
            if (item == Items.blaze_rod) return 2400;
            return GameRegistry.getFuelValue(itemstack);
        }
    }

	@Override
	public ItemStack decrStackSize(int var1, int var2) {
		if(this.slots[var1] != null) {
			ItemStack itemstack;

			if(this.slots[var1].stackSize <= var2) {
				itemstack = this.slots[var1];
				this.slots[var1] = null;
				return itemstack;
			}else{
				itemstack = this.slots[var1].splitStack(var2);

				if(this.slots[var1].stackSize == 0) {
					this.slots[var1] = null;
				}

				return itemstack;
			}
		}else{
			return null;
		}
	}

	public void readFromNBT(NBTTagCompound nbt) {
		super.readFromNBT(nbt);

		NBTTagList list = nbt.getTagList("Items", 10);
		this.slots = new ItemStack[this.getSizeInventory()];

		for(int i = 0; i < list.tagCount(); i++) {
			 NBTTagCompound compound = (NBTTagCompound) list.getCompoundTagAt(i);
			 byte b = compound.getByte("Slot");

			 if(b >= 0 && b < this.slots.length) {
				 this.slots[b] = ItemStack.loadItemStackFromNBT(compound);
			 }
		}

		this.burnTime = (int)nbt.getShort("BurnTime");
		this.cookTime = (int)nbt.getShort("CookTime");
		this.currentItemBurnTime = (int)nbt.getShort("CurrentBurnTime");

		if(nbt.hasKey("CustomName")) {
			this.customName = nbt.getString("CustomName");
		}
	}

	public void writeToNBT(NBTTagCompound nbt) {
		super.writeToNBT(nbt);

		nbt.setShort("BurnTime", (short)this.burnTime);
		nbt.setShort("CookTime", (short)this.cookTime);
		nbt.setShort("CurrentBurnTime", (short)this.currentItemBurnTime);

		NBTTagList list = new NBTTagList();

		for (int i = 0; i < this.slots.length; i++) {
			if(this.slots[i] != null) {
				NBTTagCompound compound = new NBTTagCompound();
				compound.setByte("Slot", (byte)i);
				this.slots[i].writeToNBT(compound);
				list.appendTag(compound);
			}
		}

		nbt.setTag("Items", list);

		if (this.hasCustomInventoryName()) {
			nbt.setString("CustomName", this.customName);
		}
	}

	public String getInventoryName() {
		return this.hasCustomInventoryName() ? this.customName : "container.sauceMaker";
	}


	@Override
	public boolean canInsertItem(int i, ItemStack itemstack, int j) {
		return this.isItemValidForSlot(i, itemstack);
	}

	@Override
	public boolean canExtractItem(int i, ItemStack itemstack, int j) {
		return j != 0 || i != 1 || itemstack.getItem() == Items.bucket;
	}

	public boolean hasCustomInventoryName() {
		return this.customName != null && this.customName.length() > 0;
	}

	public int getBurnTimeRemainingScaled(int i) {
		if(this.currentItemBurnTime == 0) {
			this.currentItemBurnTime = this.furnaceSpeed;
		}
		return this.burnTime * i / this.currentItemBurnTime;
	}

	public int getCookProgressScaled(int i) {
		return this.cookTime * i / this.furnaceSpeed;
	}


	private boolean canJuice() {

		if (slots[0] == null || slots[1] == null) {
			return false;
		} else {

		ItemStack itemstack = SauceMakerRecipes.getJuicingResult(slots[0].getItem(), slots[1].getItem());

		if(itemstack == null) return false;
		if(this.slots[3] == null) return true;
		if(!this.slots[3].isItemEqual(itemstack)) return false;

		int result = this.slots[3].stackSize + itemstack.stackSize;

		return (result <= getInventoryStackLimit() && result <= itemstack.getMaxStackSize());
		}
	}

	private void juiceItem() {
		if (canJuice()) {
			ItemStack itemstack = SauceMakerRecipes.getJuicingResult(slots[0].getItem(), slots[1].getItem());

			if (slots[3] == null) {
				slots[3] = itemstack.copy();
			}else if (slots[3].isItemEqual(itemstack)) {
				slots[3].stackSize += itemstack.stackSize;
			}

			for (int i = 0; i < 2; i++) {
				if (slots[i].stackSize <= 0) {
					slots[i] = new ItemStack(slots[i].getItem().setFull3D());
				} else {
					slots[i].stackSize--;
				}

				if (slots[i].stackSize <= 0){
					slots[i] = null;
				}
			}
		}
	}

	public boolean isBurning() {
		return this.burnTime > 0;
	}

	public void updateEntity() {
		boolean flag = this.burnTime > 0;
		boolean flag1 = false;

		if(this.isBurning()) {
			this.burnTime--;
		}
		if(!this.worldObj.isRemote) {
			if(this.burnTime == 0 && this.canJuice()) {
				this.currentItemBurnTime = this.burnTime = getItemBurnTime(this.slots[2]);

				if(this.isBurning()) {
					flag1 = true;

					if(this.slots[2] != null) {
						this.slots[2].stackSize--;
					}
				}
			}

			if(this.isBurning() && this.canJuice()) {
			this.cookTime++;

			if(this.cookTime == this.furnaceSpeed) {
				this.cookTime = 0;
				this.juiceItem();
				flag1 = true;
				}
			} else {
				this.cookTime = 0;
			}

			if (flag != this.isBurning()) {
				flag1 = true;
				SauceMaker.updateBlockState(this.burnTime > 0, this.worldObj, this.xCoord, this.yCoord, this.zCoord);
			}
		}
		if(flag1) {
			this.markDirty();
		}
	}
}