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    /**
026     * The ItemStacks that hold the items currently being used in the furnace
027     */
028    private ItemStack[] furnaceItemStacks = new ItemStack[3];
029
030    /** The number of ticks that the furnace will keep burning */
031    public int furnaceBurnTime = 0;
032
033    /**
034     * The number of ticks that a fresh copy of the currently-burning item would keep the furnace burning for
035     */
036    public int currentItemBurnTime = 0;
037
038    /** The number of ticks that the current item has been cooking for */
039    public int furnaceCookTime = 0;
040    private String field_94130_e;
041
042    /**
043     * Returns the number of slots in the inventory.
044     */
045    public int getSizeInventory()
046    {
047        return this.furnaceItemStacks.length;
048    }
049
050    /**
051     * Returns the stack in slot i
052     */
053    public ItemStack getStackInSlot(int par1)
054    {
055        return this.furnaceItemStacks[par1];
056    }
057
058    /**
059     * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
060     * new stack.
061     */
062    public ItemStack decrStackSize(int par1, int par2)
063    {
064        if (this.furnaceItemStacks[par1] != null)
065        {
066            ItemStack itemstack;
067
068            if (this.furnaceItemStacks[par1].stackSize <= par2)
069            {
070                itemstack = this.furnaceItemStacks[par1];
071                this.furnaceItemStacks[par1] = null;
072                return itemstack;
073            }
074            else
075            {
076                itemstack = this.furnaceItemStacks[par1].splitStack(par2);
077
078                if (this.furnaceItemStacks[par1].stackSize == 0)
079                {
080                    this.furnaceItemStacks[par1] = null;
081                }
082
083                return itemstack;
084            }
085        }
086        else
087        {
088            return null;
089        }
090    }
091
092    /**
093     * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
094     * like when you close a workbench GUI.
095     */
096    public ItemStack getStackInSlotOnClosing(int par1)
097    {
098        if (this.furnaceItemStacks[par1] != null)
099        {
100            ItemStack itemstack = this.furnaceItemStacks[par1];
101            this.furnaceItemStacks[par1] = null;
102            return itemstack;
103        }
104        else
105        {
106            return null;
107        }
108    }
109
110    /**
111     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
112     */
113    public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
114    {
115        this.furnaceItemStacks[par1] = par2ItemStack;
116
117        if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit())
118        {
119            par2ItemStack.stackSize = this.getInventoryStackLimit();
120        }
121    }
122
123    /**
124     * Returns the name of the inventory.
125     */
126    public String getInvName()
127    {
128        return this.func_94042_c() ? this.field_94130_e : "container.furnace";
129    }
130
131    public boolean func_94042_c()
132    {
133        return this.field_94130_e != null && this.field_94130_e.length() > 0;
134    }
135
136    public void func_94129_a(String par1Str)
137    {
138        this.field_94130_e = par1Str;
139    }
140
141    /**
142     * Reads a tile entity from NBT.
143     */
144    public void readFromNBT(NBTTagCompound par1NBTTagCompound)
145    {
146        super.readFromNBT(par1NBTTagCompound);
147        NBTTagList nbttaglist = par1NBTTagCompound.getTagList("Items");
148        this.furnaceItemStacks = new ItemStack[this.getSizeInventory()];
149
150        for (int i = 0; i < nbttaglist.tagCount(); ++i)
151        {
152            NBTTagCompound nbttagcompound1 = (NBTTagCompound)nbttaglist.tagAt(i);
153            byte b0 = nbttagcompound1.getByte("Slot");
154
155            if (b0 >= 0 && b0 < this.furnaceItemStacks.length)
156            {
157                this.furnaceItemStacks[b0] = ItemStack.loadItemStackFromNBT(nbttagcompound1);
158            }
159        }
160
161        this.furnaceBurnTime = par1NBTTagCompound.getShort("BurnTime");
162        this.furnaceCookTime = par1NBTTagCompound.getShort("CookTime");
163        this.currentItemBurnTime = getItemBurnTime(this.furnaceItemStacks[1]);
164
165        if (par1NBTTagCompound.hasKey("CustomName"))
166        {
167            this.field_94130_e = par1NBTTagCompound.getString("CustomName");
168        }
169    }
170
171    /**
172     * Writes a tile entity to NBT.
173     */
174    public void writeToNBT(NBTTagCompound par1NBTTagCompound)
175    {
176        super.writeToNBT(par1NBTTagCompound);
177        par1NBTTagCompound.setShort("BurnTime", (short)this.furnaceBurnTime);
178        par1NBTTagCompound.setShort("CookTime", (short)this.furnaceCookTime);
179        NBTTagList nbttaglist = new NBTTagList();
180
181        for (int i = 0; i < this.furnaceItemStacks.length; ++i)
182        {
183            if (this.furnaceItemStacks[i] != null)
184            {
185                NBTTagCompound nbttagcompound1 = new NBTTagCompound();
186                nbttagcompound1.setByte("Slot", (byte)i);
187                this.furnaceItemStacks[i].writeToNBT(nbttagcompound1);
188                nbttaglist.appendTag(nbttagcompound1);
189            }
190        }
191
192        par1NBTTagCompound.setTag("Items", nbttaglist);
193
194        if (this.func_94042_c())
195        {
196            par1NBTTagCompound.setString("CustomName", this.field_94130_e);
197        }
198    }
199
200    /**
201     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
202     * this more of a set than a get?*
203     */
204    public int getInventoryStackLimit()
205    {
206        return 64;
207    }
208
209    @SideOnly(Side.CLIENT)
210
211    /**
212     * Returns an integer between 0 and the passed value representing how close the current item is to being completely
213     * cooked
214     */
215    public int getCookProgressScaled(int par1)
216    {
217        return this.furnaceCookTime * par1 / 200;
218    }
219
220    @SideOnly(Side.CLIENT)
221
222    /**
223     * Returns an integer between 0 and the passed value representing how much burn time is left on the current fuel
224     * item, where 0 means that the item is exhausted and the passed value means that the item is fresh
225     */
226    public int getBurnTimeRemainingScaled(int par1)
227    {
228        if (this.currentItemBurnTime == 0)
229        {
230            this.currentItemBurnTime = 200;
231        }
232
233        return this.furnaceBurnTime * par1 / this.currentItemBurnTime;
234    }
235
236    /**
237     * Returns true if the furnace is currently burning
238     */
239    public boolean isBurning()
240    {
241        return this.furnaceBurnTime > 0;
242    }
243
244    /**
245     * Allows the entity to update its state. Overridden in most subclasses, e.g. the mob spawner uses this to count
246     * ticks and creates a new spawn inside its implementation.
247     */
248    public void updateEntity()
249    {
250        boolean flag = this.furnaceBurnTime > 0;
251        boolean flag1 = false;
252
253        if (this.furnaceBurnTime > 0)
254        {
255            --this.furnaceBurnTime;
256        }
257
258        if (!this.worldObj.isRemote)
259        {
260            if (this.furnaceBurnTime == 0 && this.canSmelt())
261            {
262                this.currentItemBurnTime = this.furnaceBurnTime = getItemBurnTime(this.furnaceItemStacks[1]);
263
264                if (this.furnaceBurnTime > 0)
265                {
266                    flag1 = true;
267
268                    if (this.furnaceItemStacks[1] != null)
269                    {
270                        --this.furnaceItemStacks[1].stackSize;
271
272                        if (this.furnaceItemStacks[1].stackSize == 0)
273                        {
274                            this.furnaceItemStacks[1] = this.furnaceItemStacks[1].getItem().getContainerItemStack(furnaceItemStacks[1]);
275                        }
276                    }
277                }
278            }
279
280            if (this.isBurning() && this.canSmelt())
281            {
282                ++this.furnaceCookTime;
283
284                if (this.furnaceCookTime == 200)
285                {
286                    this.furnaceCookTime = 0;
287                    this.smeltItem();
288                    flag1 = true;
289                }
290            }
291            else
292            {
293                this.furnaceCookTime = 0;
294            }
295
296            if (flag != this.furnaceBurnTime > 0)
297            {
298                flag1 = true;
299                BlockFurnace.updateFurnaceBlockState(this.furnaceBurnTime > 0, this.worldObj, this.xCoord, this.yCoord, this.zCoord);
300            }
301        }
302
303        if (flag1)
304        {
305            this.onInventoryChanged();
306        }
307    }
308
309    /**
310     * Returns true if the furnace can smelt an item, i.e. has a source item, destination stack isn't full, etc.
311     */
312    private boolean canSmelt()
313    {
314        if (this.furnaceItemStacks[0] == null)
315        {
316            return false;
317        }
318        else
319        {
320            ItemStack itemstack = FurnaceRecipes.smelting().getSmeltingResult(this.furnaceItemStacks[0]);
321            if (itemstack == null) return false;
322            if (this.furnaceItemStacks[2] == null) return true;
323            if (!this.furnaceItemStacks[2].isItemEqual(itemstack)) return false;
324            int result = furnaceItemStacks[2].stackSize + itemstack.stackSize;
325            return (result <= getInventoryStackLimit() && result <= itemstack.getMaxStackSize());
326        }
327    }
328
329    /**
330     * Turn one item from the furnace source stack into the appropriate smelted item in the furnace result stack
331     */
332    public void smeltItem()
333    {
334        if (this.canSmelt())
335        {
336            ItemStack itemstack = FurnaceRecipes.smelting().getSmeltingResult(this.furnaceItemStacks[0]);
337
338            if (this.furnaceItemStacks[2] == null)
339            {
340                this.furnaceItemStacks[2] = itemstack.copy();
341            }
342            else if (this.furnaceItemStacks[2].isItemEqual(itemstack))
343            {
344                furnaceItemStacks[2].stackSize += itemstack.stackSize;
345            }
346
347            --this.furnaceItemStacks[0].stackSize;
348
349            if (this.furnaceItemStacks[0].stackSize <= 0)
350            {
351                this.furnaceItemStacks[0] = null;
352            }
353        }
354    }
355
356    /**
357     * Returns the number of ticks that the supplied fuel item will keep the furnace burning, or 0 if the item isn't
358     * fuel
359     */
360    public static int getItemBurnTime(ItemStack par0ItemStack)
361    {
362        if (par0ItemStack == null)
363        {
364            return 0;
365        }
366        else
367        {
368            int i = par0ItemStack.getItem().itemID;
369            Item item = par0ItemStack.getItem();
370
371            if (par0ItemStack.getItem() instanceof ItemBlock && Block.blocksList[i] != null)
372            {
373                Block block = Block.blocksList[i];
374
375                if (block == Block.woodSingleSlab)
376                {
377                    return 150;
378                }
379
380                if (block.blockMaterial == Material.wood)
381                {
382                    return 300;
383                }
384            }
385
386            if (item instanceof ItemTool && ((ItemTool) item).getToolMaterialName().equals("WOOD")) return 200;
387            if (item instanceof ItemSword && ((ItemSword) item).getToolMaterialName().equals("WOOD")) return 200;
388            if (item instanceof ItemHoe && ((ItemHoe) item).func_77842_f().equals("WOOD")) return 200;
389            if (i == Item.stick.itemID) return 100;
390            if (i == Item.coal.itemID) return 1600;
391            if (i == Item.bucketLava.itemID) return 20000;
392            if (i == Block.sapling.blockID) return 100;
393            if (i == Item.blazeRod.itemID) return 2400;
394            return GameRegistry.getFuelValue(par0ItemStack);
395        }
396    }
397
398    /**
399     * Return true if item is a fuel source (getItemBurnTime() > 0).
400     */
401    public static boolean isItemFuel(ItemStack par0ItemStack)
402    {
403        return getItemBurnTime(par0ItemStack) > 0;
404    }
405
406    /**
407     * Do not make give this method the name canInteractWith because it clashes with Container
408     */
409    public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
410    {
411        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;
412    }
413
414    public void openChest() {}
415
416    public void closeChest() {}
417
418    public boolean func_94041_b(int par1, ItemStack par2ItemStack)
419    {
420        return par1 == 2 ? false : (par1 == 1 ? isItemFuel(par2ItemStack) : true);
421    }
422
423    public int func_94127_c(int par1)
424    {
425        return par1 == 0 ? 2 : (par1 == 1 ? 0 : 1);
426    }
427
428    public int func_94128_d(int par1)
429    {
430        return 1;
431    }
432
433    /***********************************************************************************
434     * This function is here for compatibilities sake, Modders should Check for
435     * Sided before ContainerWorldly, Vanilla Minecraft does not follow the sided standard
436     * that Modding has for a while.
437     *
438     * In vanilla:
439     *
440     *   Top: Ores
441     *   Sides: Fuel
442     *   Bottom: Output
443     *
444     * Standard Modding:
445     *   Top: Ores
446     *   Sides: Output
447     *   Bottom: Fuel
448     *
449     * The Modding one is designed after the GUI, the vanilla one is designed because its
450     * intended use is for the hopper, which logically would take things in from the top.
451     *
452     * This will possibly be removed in future updates, and make vanilla the definitive
453     * standard.
454     */
455
456    @Override
457    public int getStartInventorySide(ForgeDirection side)
458    {
459        if (ForgeDummyContainer.legacyFurnaceSides)
460        {
461            if (side == ForgeDirection.DOWN) return 1;
462            if (side == ForgeDirection.UP) return 0;
463            return 2;
464        }
465        else
466        {
467            if (side == ForgeDirection.DOWN) return 2;
468            if (side == ForgeDirection.UP) return 0;
469            return 1;
470        }
471    }
472
473    @Override
474    public int getSizeInventorySide(ForgeDirection side)
475    {
476        return 1;
477    }
478}