tile entity

package anagkai.biodiversity.advancedblocks.Beehive;

import javax.annotation.Nullable;

import anagkai.biodiversity.items.ItemsBiodiversity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.inventory.ItemStackHelper;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.ITickable;
import net.minecraft.util.datafix.DataFixer;
import net.minecraft.util.datafix.FixTypes;
import net.minecraft.util.datafix.walkers.ItemStackDataLists;

public class TileEntityBeehive extends TileEntity implements ITickable, ISidedInventory
{
    private static final int[] SLOTS_LEFT = new int[] {0};
    private static final int[] SLOTS_RIGHT = new int[] {1};
    private ItemStack[] beehiveItemStacks = new ItemStack[2];
    int prodTimePassed;
    private int prodTimeNeeded = 320;
    private String beehiveName;

    /**
     * Returns the number of slots in the inventory.
     */
    public int getSizeInventory()
    {
        return this.beehiveItemStacks.length;
    }

    /**
     * Returns the stack in the given slot.
     */
    @Nullable
    public ItemStack getStackInSlot(int index)
    {
        return this.beehiveItemStacks[index];
    }

    /**
     * Removes up to a specified number of items from an inventory slot and returns them in a new stack.
     */
    @Nullable
    public ItemStack decrStackSize(int index, int count)
    {
        return ItemStackHelper.getAndSplit(this.beehiveItemStacks, index, count);
    }

    /**
     * Removes a stack from the given slot and returns it.
     */
    @Nullable
    public ItemStack removeStackFromSlot(int index)
    {
        return ItemStackHelper.getAndRemove(this.beehiveItemStacks, index);
    }

    /**
     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
     */
    public void setInventorySlotContents(int index, @Nullable ItemStack stack)
    {
        boolean flag = stack != null && stack.isItemEqual(this.beehiveItemStacks[index]) && ItemStack.areItemStackTagsEqual(stack, this.beehiveItemStacks[index]);
        this.beehiveItemStacks[index] = stack;

        if (stack != null && stack.stackSize > this.getInventoryStackLimit())
        {
            stack.stackSize = this.getInventoryStackLimit();
        }

        if (index == 0 && !flag)
        {
            this.prodTimeNeeded = 320;
            this.prodTimePassed = 0;
            this.markDirty();
        }
    }

    /**
     * Get the name of this object. For players this returns their username
     */
    public String getName()
    {
        return this.hasCustomName() ? this.beehiveName : "container.beehive";
    }

    /**
     * Returns true if this thing is named
     */
    public boolean hasCustomName()
    {
        return this.beehiveName != null && !this.beehiveName.isEmpty();
    }

    public void setCustomInventoryName(String p_145951_1_)
    {
        this.beehiveName = p_145951_1_;
    }

    public void readFromNBT(NBTTagCompound compound)
    {
        super.readFromNBT(compound);
        NBTTagList nbttaglist = compound.getTagList("Items", 10);
        this.beehiveItemStacks = new ItemStack[this.getSizeInventory()];

        for (int i = 0; i < nbttaglist.tagCount(); ++i)
        {
            NBTTagCompound nbttagcompound = nbttaglist.getCompoundTagAt(i);
            int j = nbttagcompound.getByte("Slot");

            if (j >= 0 && j < this.beehiveItemStacks.length)
            {
                this.beehiveItemStacks[j] = ItemStack.loadItemStackFromNBT(nbttagcompound);
            }
        }

        this.prodTimePassed = compound.getInteger("ProdPass");
        this.prodTimeNeeded = compound.getInteger("ProdNeed");

        if (compound.hasKey("CustomName", 8))
        {
            this.beehiveName = compound.getString("CustomName");
        }
    }

    public NBTTagCompound writeToNBT(NBTTagCompound compound)
    {
        super.writeToNBT(compound);
        compound.setInteger("ProdPass", this.prodTimePassed);
        compound.setInteger("ProdNeed", this.prodTimeNeeded);
        NBTTagList nbttaglist = new NBTTagList();

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

        compound.setTag("Items", nbttaglist);

        if (this.hasCustomName())
        {
            compound.setString("CustomName", this.beehiveName);
        }

        return compound;
    }

    /**
     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended.
     */
    public int getInventoryStackLimit()
    {
        return 64;
    }

    /**
     * Like the old updateEntity(), except more generic.
     */
    public void update()
    {
        boolean flag1 = false;

        if (!this.worldObj.isRemote)
        {
                if (this.canProduce())
                {
                    ++this.prodTimePassed;

                    if (this.prodTimePassed == this.prodTimeNeeded)
                    {
                        this.prodTimePassed = 0;
                        this.produceHoney();
                        flag1 = true;
                    }
                }
                else
                {
                    this.prodTimePassed = 0;
                }

        }

        if (flag1)
        {
            this.markDirty();
        }
    }

    private boolean canProduce()
    {
        if (this.beehiveItemStacks[0] == null || this.beehiveItemStacks[0].getItem() != ItemsBiodiversity.beeQueen)
        {
            return false;
        }
        else
        {
            if (this.beehiveItemStacks[1] == null) return true;
            int result = beehiveItemStacks[1].stackSize + 1;
            return result <= getInventoryStackLimit() && result <= this.beehiveItemStacks[2].getMaxStackSize(); //Forge BugFix: Make it respect stack sizes properly.
        }
    }

    public void produceHoney()
    {
        if (this.canProduce())
        {
            if (this.beehiveItemStacks[1] == null)
            {
                this.beehiveItemStacks[1] = new ItemStack(ItemsBiodiversity.honey);
            }
            else if (this.beehiveItemStacks[1].getItem() == ItemsBiodiversity.honey)
            {
                this.beehiveItemStacks[1].stackSize += 1; // Forge BugFix: Results may have multiple items
            }
        }
    }

    /**
     * Don't rename this method to canInteractWith due to conflicts with Container
     */
    public boolean isUseableByPlayer(EntityPlayer player)
    {
        return this.worldObj.getTileEntity(this.pos) != this ? false : player.getDistanceSq((double)this.pos.getX() + 0.5D, (double)this.pos.getY() + 0.5D, (double)this.pos.getZ() + 0.5D) <= 64.0D;
    }

    public void openInventory(EntityPlayer player)
    {
    }

    public void closeInventory(EntityPlayer player)
    {
    }

    public String getGuiID()
    {
        return "biodiversity:beehive";
    }

    public Container createContainer(InventoryPlayer playerInventory, EntityPlayer playerIn)
    {
        return new ContainerBeehive(playerInventory, this);
    }

    public int getField(int id)
    {
        switch (id)
        {
            case 0:
                return this.prodTimePassed;
            case 1:
                return this.prodTimeNeeded;
            default:
                return 0;
        }
    }

    public void setField(int id, int value)
    {
        switch (id)
        {
            case 0:
                this.prodTimePassed = value;
                break;
            case 1:
                this.prodTimeNeeded = value;
        }
    }

    public int getFieldCount()
    {
        return 2;
    }

    public void clear()
    {
        for (int i = 0; i < this.beehiveItemStacks.length; ++i)
        {
            this.beehiveItemStacks[i] = null;
        }
    }

    @Override
    public boolean isItemValidForSlot(int index, ItemStack stack) {
        return false;
    }

    @Override
    public int[] getSlotsForFace(EnumFacing side) {
        return null;
    }

    @Override
    public boolean canInsertItem(int index, ItemStack itemStackIn, EnumFacing direction) {
        return false;
    }

    @Override
    public boolean canExtractItem(int index, ItemStack stack, EnumFacing direction) {
        return false;
    }
}