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}