    001package net.minecraft.tileentity;
    002
    003import cpw.mods.fml.common.registry.GameRegistry;
    004import cpw.mods.fml.relauncher.Side;
    005import cpw.mods.fml.relauncher.SideOnly;
    006import net.minecraft.block.Block;
    007import net.minecraft.block.BlockFurnace;
    008import net.minecraft.block.material.Material;
    009import net.minecraft.entity.player.EntityPlayer;
    010import net.minecraft.inventory.ISidedInventory;
    011import net.minecraft.item.Item;
    012import net.minecraft.item.ItemBlock;
    013import net.minecraft.item.ItemHoe;
    014import net.minecraft.item.ItemStack;
    015import net.minecraft.item.ItemSword;
    016import net.minecraft.item.ItemTool;
    017import net.minecraft.item.crafting.FurnaceRecipes;
    018import net.minecraft.nbt.NBTTagCompound;
    019import net.minecraft.nbt.NBTTagList;
    020import net.minecraftforge.common.ForgeDirection;
    021import net.minecraftforge.common.ForgeDummyContainer;
    022
    023public class TileEntityFurnace extends TileEntity implements ISidedInventory, net.minecraftforge.common.ISidedInventory
    024{
    025    private static final int[] field_102010_d = new int[] {0};
    026    private static final int[] field_102011_e = new int[] {2, 1};
    027    private static final int[] field_102009_f = new int[] {1};
    028
    029    /**
    030     * The ItemStacks that hold the items currently being used in the furnace
    031     */
    032    private ItemStack[] furnaceItemStacks = new ItemStack[3];
    033
    034    /** The number of ticks that the furnace will keep burning */
    035    public int furnaceBurnTime = 0;
    036
    037    /**
    038     * The number of ticks that a fresh copy of the currently-burning item would keep the furnace burning for
    039     */
    040    public int currentItemBurnTime = 0;
    041
    042    /** The number of ticks that the current item has been cooking for */
    043    public int furnaceCookTime = 0;
    044    private String field_94130_e;
    045
    046    /**
    047     * Returns the number of slots in the inventory.
    048     */
    049    public int getSizeInventory()
    050    {
    051        return this.furnaceItemStacks.length;
    052    }
    053
    054    /**
    055     * Returns the stack in slot i
    056     */
    057    public ItemStack getStackInSlot(int par1)
    058    {
    059        return this.furnaceItemStacks[par1];
    060    }
    061
    062    /**
    063     * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
    064     * new stack.
    065     */
    066    public ItemStack decrStackSize(int par1, int par2)
    067    {
    068        if (this.furnaceItemStacks[par1] != null)
    069        {
    070            ItemStack itemstack;
    071
    072            if (this.furnaceItemStacks[par1].stackSize <= par2)
    073            {
    074                itemstack = this.furnaceItemStacks[par1];
    075                this.furnaceItemStacks[par1] = null;
    076                return itemstack;
    077            }
    078            else
    079            {
    080                itemstack = this.furnaceItemStacks[par1].splitStack(par2);
    081
    082                if (this.furnaceItemStacks[par1].stackSize == 0)
    083                {
    084                    this.furnaceItemStacks[par1] = null;
    085                }
    086
    087                return itemstack;
    088            }
    089        }
    090        else
    091        {
    092            return null;
    093        }
    094    }
    095
    096    /**
    097     * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
    098     * like when you close a workbench GUI.
    099     */
    100    public ItemStack getStackInSlotOnClosing(int par1)
    101    {
    102        if (this.furnaceItemStacks[par1] != null)
    103        {
    104            ItemStack itemstack = this.furnaceItemStacks[par1];
    105            this.furnaceItemStacks[par1] = null;
    106            return itemstack;
    107        }
    108        else
    109        {
    110            return null;
    111        }
    112    }
    113
    114    /**
    115     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
    116     */
    117    public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
    118    {
    119        this.furnaceItemStacks[par1] = par2ItemStack;
    120
    121        if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit())
    122        {
    123            par2ItemStack.stackSize = this.getInventoryStackLimit();
    124        }
    125    }
    126
    127    /**
    128     * Returns the name of the inventory.
    129     */
    130    public String getInvName()
    131    {
    132        return this.isInvNameLocalized() ? this.field_94130_e : "container.furnace";
    133    }
    134
    135    /**
    136     * If this returns false, the inventory name will be used as an unlocalized name, and translated into the player's
    137     * language. Otherwise it will be used directly.
    138     */
    139    public boolean isInvNameLocalized()
    140    {
    141        return this.field_94130_e != null && this.field_94130_e.length() > 0;
    142    }
    143
    144    public void func_94129_a(String par1Str)
    145    {
    146        this.field_94130_e = par1Str;
    147    }
    148
    149    /**
    150     * Reads a tile entity from NBT.
    151     */
    152    public void readFromNBT(NBTTagCompound par1NBTTagCompound)
    153    {
    154        super.readFromNBT(par1NBTTagCompound);
    155        NBTTagList nbttaglist = par1NBTTagCompound.getTagList("Items");
    156        this.furnaceItemStacks = new ItemStack[this.getSizeInventory()];
    157
    158        for (int i = 0; i < nbttaglist.tagCount(); ++i)
    159        {
    160            NBTTagCompound nbttagcompound1 = (NBTTagCompound)nbttaglist.tagAt(i);
    161            byte b0 = nbttagcompound1.getByte("Slot");
    162
    163            if (b0 >= 0 && b0 < this.furnaceItemStacks.length)
    164            {
    165                this.furnaceItemStacks[b0] = ItemStack.loadItemStackFromNBT(nbttagcompound1);
    166            }
    167        }
    168
    169        this.furnaceBurnTime = par1NBTTagCompound.getShort("BurnTime");
    170        this.furnaceCookTime = par1NBTTagCompound.getShort("CookTime");
    171        this.currentItemBurnTime = getItemBurnTime(this.furnaceItemStacks[1]);
    172
    173        if (par1NBTTagCompound.hasKey("CustomName"))
    174        {
    175            this.field_94130_e = par1NBTTagCompound.getString("CustomName");
    176        }
    177    }
    178
    179    /**
    180     * Writes a tile entity to NBT.
    181     */
    182    public void writeToNBT(NBTTagCompound par1NBTTagCompound)
    183    {
    184        super.writeToNBT(par1NBTTagCompound);
    185        par1NBTTagCompound.setShort("BurnTime", (short)this.furnaceBurnTime);
    186        par1NBTTagCompound.setShort("CookTime", (short)this.furnaceCookTime);
    187        NBTTagList nbttaglist = new NBTTagList();
    188
    189        for (int i = 0; i < this.furnaceItemStacks.length; ++i)
    190        {
    191            if (this.furnaceItemStacks[i] != null)
    192            {
    193                NBTTagCompound nbttagcompound1 = new NBTTagCompound();
    194                nbttagcompound1.setByte("Slot", (byte)i);
    195                this.furnaceItemStacks[i].writeToNBT(nbttagcompound1);
    196                nbttaglist.appendTag(nbttagcompound1);
    197            }
    198        }
    199
    200        par1NBTTagCompound.setTag("Items", nbttaglist);
    201
    202        if (this.isInvNameLocalized())
    203        {
    204            par1NBTTagCompound.setString("CustomName", this.field_94130_e);
    205        }
    206    }
    207
    208    /**
    209     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
    210     * this more of a set than a get?*
    211     */
    212    public int getInventoryStackLimit()
    213    {
    214        return 64;
    215    }
    216
    217    @SideOnly(Side.CLIENT)
    218
    219    /**
    220     * Returns an integer between 0 and the passed value representing how close the current item is to being completely
    221     * cooked
    222     */
    223    public int getCookProgressScaled(int par1)
    224    {
    225        return this.furnaceCookTime * par1 / 200;
    226    }
    227
    228    @SideOnly(Side.CLIENT)
    229
    230    /**
    231     * Returns an integer between 0 and the passed value representing how much burn time is left on the current fuel
    232     * item, where 0 means that the item is exhausted and the passed value means that the item is fresh
    233     */
    234    public int getBurnTimeRemainingScaled(int par1)
    235    {
    236        if (this.currentItemBurnTime == 0)
    237        {
    238            this.currentItemBurnTime = 200;
    239        }
    240
    241        return this.furnaceBurnTime * par1 / this.currentItemBurnTime;
    242    }
    243
    244    /**
    245     * Returns true if the furnace is currently burning
    246     */
    247    public boolean isBurning()
    248    {
    249        return this.furnaceBurnTime > 0;
    250    }
    251
    252    /**
    253     * Allows the entity to update its state. Overridden in most subclasses, e.g. the mob spawner uses this to count
    254     * ticks and creates a new spawn inside its implementation.
    255     */
    256    public void updateEntity()
    257    {
    258        boolean flag = this.furnaceBurnTime > 0;
    259        boolean flag1 = false;
    260
    261        if (this.furnaceBurnTime > 0)
    262        {
    263            --this.furnaceBurnTime;
    264        }
    265
    266        if (!this.worldObj.isRemote)
    267        {
    268            if (this.furnaceBurnTime == 0 && this.canSmelt())
    269            {
    270                this.currentItemBurnTime = this.furnaceBurnTime = getItemBurnTime(this.furnaceItemStacks[1]);
    271
    272                if (this.furnaceBurnTime > 0)
    273                {
    274                    flag1 = true;
    275
    276                    if (this.furnaceItemStacks[1] != null)
    277                    {
    278                        --this.furnaceItemStacks[1].stackSize;
    279
    280                        if (this.furnaceItemStacks[1].stackSize == 0)
    281                        {
    282                            this.furnaceItemStacks[1] = this.furnaceItemStacks[1].getItem().getContainerItemStack(furnaceItemStacks[1]);
    283                        }
    284                    }
    285                }
    286            }
    287
    288            if (this.isBurning() && this.canSmelt())
    289            {
    290                ++this.furnaceCookTime;
    291
    292                if (this.furnaceCookTime == 200)
    293                {
    294                    this.furnaceCookTime = 0;
    295                    this.smeltItem();
    296                    flag1 = true;
    297                }
    298            }
    299            else
    300            {
    301                this.furnaceCookTime = 0;
    302            }
    303
    304            if (flag != this.furnaceBurnTime > 0)
    305            {
    306                flag1 = true;
    307                BlockFurnace.updateFurnaceBlockState(this.furnaceBurnTime > 0, this.worldObj, this.xCoord, this.yCoord, this.zCoord);
    308            }
    309        }
    310
    311        if (flag1)
    312        {
    313            this.onInventoryChanged();
    314        }
    315    }
    316
    317    /**
    318     * Returns true if the furnace can smelt an item, i.e. has a source item, destination stack isn't full, etc.
    319     */
    320    private boolean canSmelt()
    321    {
    322        if (this.furnaceItemStacks[0] == null)
    323        {
    324            return false;
    325        }
    326        else
    327        {
    328            ItemStack itemstack = FurnaceRecipes.smelting().getSmeltingResult(this.furnaceItemStacks[0]);
    329            if (itemstack == null) return false;
    330            if (this.furnaceItemStacks[2] == null) return true;
    331            if (!this.furnaceItemStacks[2].isItemEqual(itemstack)) return false;
    332            int result = furnaceItemStacks[2].stackSize + itemstack.stackSize;
    333            return (result <= getInventoryStackLimit() && result <= itemstack.getMaxStackSize());
    334        }
    335    }
    336
    337    /**
    338     * Turn one item from the furnace source stack into the appropriate smelted item in the furnace result stack
    339     */
    340    public void smeltItem()
    341    {
    342        if (this.canSmelt())
    343        {
    344            ItemStack itemstack = FurnaceRecipes.smelting().getSmeltingResult(this.furnaceItemStacks[0]);
    345
    346            if (this.furnaceItemStacks[2] == null)
    347            {
    348                this.furnaceItemStacks[2] = itemstack.copy();
    349            }
    350            else if (this.furnaceItemStacks[2].isItemEqual(itemstack))
    351            {
    352                furnaceItemStacks[2].stackSize += itemstack.stackSize;
    353            }
    354
    355            --this.furnaceItemStacks[0].stackSize;
    356
    357            if (this.furnaceItemStacks[0].stackSize <= 0)
    358            {
    359                this.furnaceItemStacks[0] = null;
    360            }
    361        }
    362    }
    363
    364    /**
    365     * Returns the number of ticks that the supplied fuel item will keep the furnace burning, or 0 if the item isn't
    366     * fuel
    367     */
    368    public static int getItemBurnTime(ItemStack par0ItemStack)
    369    {
    370        if (par0ItemStack == null)
    371        {
    372            return 0;
    373        }
    374        else
    375        {
    376            int i = par0ItemStack.getItem().itemID;
    377            Item item = par0ItemStack.getItem();
    378
    379            if (par0ItemStack.getItem() instanceof ItemBlock && Block.blocksList[i] != null)
    380            {
    381                Block block = Block.blocksList[i];
    382
    383                if (block == Block.woodSingleSlab)
    384                {
    385                    return 150;
    386                }
    387
    388                if (block.blockMaterial == Material.wood)
    389                {
    390                    return 300;
    391                }
    392            }
    393
    394            if (item instanceof ItemTool && ((ItemTool) item).getToolMaterialName().equals("WOOD")) return 200;
    395            if (item instanceof ItemSword && ((ItemSword) item).getToolMaterialName().equals("WOOD")) return 200;
    396            if (item instanceof ItemHoe && ((ItemHoe) item).func_77842_f().equals("WOOD")) return 200;
    397            if (i == Item.stick.itemID) return 100;
    398            if (i == Item.coal.itemID) return 1600;
    399            if (i == Item.bucketLava.itemID) return 20000;
    400            if (i == Block.sapling.blockID) return 100;
    401            if (i == Item.blazeRod.itemID) return 2400;
    402            return GameRegistry.getFuelValue(par0ItemStack);
    403        }
    404    }
    405
    406    /**
    407     * Return true if item is a fuel source (getItemBurnTime() > 0).
    408     */
    409    public static boolean isItemFuel(ItemStack par0ItemStack)
    410    {
    411        return getItemBurnTime(par0ItemStack) > 0;
    412    }
    413
    414    /**
    415     * Do not make give this method the name canInteractWith because it clashes with Container
    416     */
    417    public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
    418    {
    419        return this.worldObj.getBlockTileEntity(this.xCoord, this.yCoord, this.zCoord) != this ? false : par1EntityPlayer.getDistanceSq((double)this.xCoord + 0.5D, (double)this.yCoord + 0.5D, (double)this.zCoord + 0.5D) <= 64.0D;
    420    }
    421
    422    public void openChest() {}
    423
    424    public void closeChest() {}
    425
    426    /**
    427     * Returns true if automation is allowed to insert the given stack (ignoring stack size) into the given slot.
    428     */
    429    public boolean isStackValidForSlot(int par1, ItemStack par2ItemStack)
    430    {
    431        return par1 == 2 ? false : (par1 == 1 ? isItemFuel(par2ItemStack) : true);
    432    }
    433
    434    /**
    435     * Get the size of the side inventory.
    436     */
    437    public int[] getSizeInventorySide(int par1)
    438    {
    439        return par1 == 0 ? field_102011_e : (par1 == 1 ? field_102010_d : field_102009_f);
    440    }
    441
    442    public boolean func_102007_a(int par1, ItemStack par2ItemStack, int par3)
    443    {
    444        return this.isStackValidForSlot(par1, par2ItemStack);
    445    }
    446
    447    public boolean func_102008_b(int par1, ItemStack par2ItemStack, int par3)
    448    {
    449        return par3 != 0 || par1 != 1 || par2ItemStack.itemID == Item.bucketEmpty.itemID;
    450    }
    451
    452    /***********************************************************************************
    453     * This function is here for compatibilities sake, Modders should Check for
    454     * Sided before ContainerWorldly, Vanilla Minecraft does not follow the sided standard
    455     * that Modding has for a while.
    456     *
    457     * In vanilla:
    458     *
    459     *   Top: Ores
    460     *   Sides: Fuel
    461     *   Bottom: Output
    462     *
    463     * Standard Modding:
    464     *   Top: Ores
    465     *   Sides: Output
    466     *   Bottom: Fuel
    467     *
    468     * The Modding one is designed after the GUI, the vanilla one is designed because its
    469     * intended use is for the hopper, which logically would take things in from the top.
    470     *
    471     * This will possibly be removed in future updates, and make vanilla the definitive
    472     * standard.
    473     */
    474
    475    @Override
    476    public int getStartInventorySide(ForgeDirection side)
    477    {
    478        if (ForgeDummyContainer.legacyFurnaceSides)
    479        {
    480            if (side == ForgeDirection.DOWN) return 1;
    481            if (side == ForgeDirection.UP) return 0;
    482            return 2;
    483        }
    484        else
    485        {
    486            if (side == ForgeDirection.DOWN) return 2;
    487            if (side == ForgeDirection.UP) return 0;
    488            return 1;
    489        }
    490    }
    491
    492    @Override
    493    public int getSizeInventorySide(ForgeDirection side)
    494    {
    495        return 1;
    496    }
    497}