001 package net.minecraft.block;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.util.Iterator;
006 import java.util.Random;
007 import net.minecraft.block.material.Material;
008 import net.minecraft.creativetab.CreativeTabs;
009 import net.minecraft.entity.EntityLiving;
010 import net.minecraft.entity.item.EntityItem;
011 import net.minecraft.entity.passive.EntityOcelot;
012 import net.minecraft.entity.player.EntityPlayer;
013 import net.minecraft.inventory.IInventory;
014 import net.minecraft.inventory.InventoryLargeChest;
015 import net.minecraft.item.ItemStack;
016 import net.minecraft.nbt.NBTTagCompound;
017 import net.minecraft.tileentity.TileEntity;
018 import net.minecraft.tileentity.TileEntityChest;
019 import net.minecraft.util.AxisAlignedBB;
020 import net.minecraft.util.MathHelper;
021 import net.minecraft.world.IBlockAccess;
022 import net.minecraft.world.World;
023
024 import static net.minecraftforge.common.ForgeDirection.*;
025
026 public class BlockChest extends BlockContainer
027 {
028 private Random random = new Random();
029
030 protected BlockChest(int par1)
031 {
032 super(par1, Material.wood);
033 this.blockIndexInTexture = 26;
034 this.setCreativeTab(CreativeTabs.tabDecorations);
035 this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
036 }
037
038 /**
039 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
040 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
041 */
042 public boolean isOpaqueCube()
043 {
044 return false;
045 }
046
047 /**
048 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
049 */
050 public boolean renderAsNormalBlock()
051 {
052 return false;
053 }
054
055 /**
056 * The type of render function that is called for this block
057 */
058 public int getRenderType()
059 {
060 return 22;
061 }
062
063 /**
064 * Updates the blocks bounds based on its current state. Args: world, x, y, z
065 */
066 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
067 {
068 if (par1IBlockAccess.getBlockId(par2, par3, par4 - 1) == this.blockID)
069 {
070 this.setBlockBounds(0.0625F, 0.0F, 0.0F, 0.9375F, 0.875F, 0.9375F);
071 }
072 else if (par1IBlockAccess.getBlockId(par2, par3, par4 + 1) == this.blockID)
073 {
074 this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 1.0F);
075 }
076 else if (par1IBlockAccess.getBlockId(par2 - 1, par3, par4) == this.blockID)
077 {
078 this.setBlockBounds(0.0F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
079 }
080 else if (par1IBlockAccess.getBlockId(par2 + 1, par3, par4) == this.blockID)
081 {
082 this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 1.0F, 0.875F, 0.9375F);
083 }
084 else
085 {
086 this.setBlockBounds(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
087 }
088 }
089
090 /**
091 * Called whenever the block is added into the world. Args: world, x, y, z
092 */
093 public void onBlockAdded(World par1World, int par2, int par3, int par4)
094 {
095 super.onBlockAdded(par1World, par2, par3, par4);
096 this.unifyAdjacentChests(par1World, par2, par3, par4);
097 int var5 = par1World.getBlockId(par2, par3, par4 - 1);
098 int var6 = par1World.getBlockId(par2, par3, par4 + 1);
099 int var7 = par1World.getBlockId(par2 - 1, par3, par4);
100 int var8 = par1World.getBlockId(par2 + 1, par3, par4);
101
102 if (var5 == this.blockID)
103 {
104 this.unifyAdjacentChests(par1World, par2, par3, par4 - 1);
105 }
106
107 if (var6 == this.blockID)
108 {
109 this.unifyAdjacentChests(par1World, par2, par3, par4 + 1);
110 }
111
112 if (var7 == this.blockID)
113 {
114 this.unifyAdjacentChests(par1World, par2 - 1, par3, par4);
115 }
116
117 if (var8 == this.blockID)
118 {
119 this.unifyAdjacentChests(par1World, par2 + 1, par3, par4);
120 }
121 }
122
123 /**
124 * Called when the block is placed in the world.
125 */
126 public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving)
127 {
128 int var6 = par1World.getBlockId(par2, par3, par4 - 1);
129 int var7 = par1World.getBlockId(par2, par3, par4 + 1);
130 int var8 = par1World.getBlockId(par2 - 1, par3, par4);
131 int var9 = par1World.getBlockId(par2 + 1, par3, par4);
132 byte var10 = 0;
133 int var11 = MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3;
134
135 if (var11 == 0)
136 {
137 var10 = 2;
138 }
139
140 if (var11 == 1)
141 {
142 var10 = 5;
143 }
144
145 if (var11 == 2)
146 {
147 var10 = 3;
148 }
149
150 if (var11 == 3)
151 {
152 var10 = 4;
153 }
154
155 if (var6 != this.blockID && var7 != this.blockID && var8 != this.blockID && var9 != this.blockID)
156 {
157 par1World.setBlockMetadataWithNotify(par2, par3, par4, var10);
158 }
159 else
160 {
161 if ((var6 == this.blockID || var7 == this.blockID) && (var10 == 4 || var10 == 5))
162 {
163 if (var6 == this.blockID)
164 {
165 par1World.setBlockMetadataWithNotify(par2, par3, par4 - 1, var10);
166 }
167 else
168 {
169 par1World.setBlockMetadataWithNotify(par2, par3, par4 + 1, var10);
170 }
171
172 par1World.setBlockMetadataWithNotify(par2, par3, par4, var10);
173 }
174
175 if ((var8 == this.blockID || var9 == this.blockID) && (var10 == 2 || var10 == 3))
176 {
177 if (var8 == this.blockID)
178 {
179 par1World.setBlockMetadataWithNotify(par2 - 1, par3, par4, var10);
180 }
181 else
182 {
183 par1World.setBlockMetadataWithNotify(par2 + 1, par3, par4, var10);
184 }
185
186 par1World.setBlockMetadataWithNotify(par2, par3, par4, var10);
187 }
188 }
189 }
190
191 /**
192 * Turns the adjacent chests to a double chest.
193 */
194 public void unifyAdjacentChests(World par1World, int par2, int par3, int par4)
195 {
196 if (!par1World.isRemote)
197 {
198 int var5 = par1World.getBlockId(par2, par3, par4 - 1);
199 int var6 = par1World.getBlockId(par2, par3, par4 + 1);
200 int var7 = par1World.getBlockId(par2 - 1, par3, par4);
201 int var8 = par1World.getBlockId(par2 + 1, par3, par4);
202 boolean var9 = true;
203 int var10;
204 int var11;
205 boolean var12;
206 byte var13;
207 int var14;
208
209 if (var5 != this.blockID && var6 != this.blockID)
210 {
211 if (var7 != this.blockID && var8 != this.blockID)
212 {
213 var13 = 3;
214
215 if (Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var6])
216 {
217 var13 = 3;
218 }
219
220 if (Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var5])
221 {
222 var13 = 2;
223 }
224
225 if (Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var8])
226 {
227 var13 = 5;
228 }
229
230 if (Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var7])
231 {
232 var13 = 4;
233 }
234 }
235 else
236 {
237 var10 = par1World.getBlockId(var7 == this.blockID ? par2 - 1 : par2 + 1, par3, par4 - 1);
238 var11 = par1World.getBlockId(var7 == this.blockID ? par2 - 1 : par2 + 1, par3, par4 + 1);
239 var13 = 3;
240 var12 = true;
241
242 if (var7 == this.blockID)
243 {
244 var14 = par1World.getBlockMetadata(par2 - 1, par3, par4);
245 }
246 else
247 {
248 var14 = par1World.getBlockMetadata(par2 + 1, par3, par4);
249 }
250
251 if (var14 == 2)
252 {
253 var13 = 2;
254 }
255
256 if ((Block.opaqueCubeLookup[var5] || Block.opaqueCubeLookup[var10]) && !Block.opaqueCubeLookup[var6] && !Block.opaqueCubeLookup[var11])
257 {
258 var13 = 3;
259 }
260
261 if ((Block.opaqueCubeLookup[var6] || Block.opaqueCubeLookup[var11]) && !Block.opaqueCubeLookup[var5] && !Block.opaqueCubeLookup[var10])
262 {
263 var13 = 2;
264 }
265 }
266 }
267 else
268 {
269 var10 = par1World.getBlockId(par2 - 1, par3, var5 == this.blockID ? par4 - 1 : par4 + 1);
270 var11 = par1World.getBlockId(par2 + 1, par3, var5 == this.blockID ? par4 - 1 : par4 + 1);
271 var13 = 5;
272 var12 = true;
273
274 if (var5 == this.blockID)
275 {
276 var14 = par1World.getBlockMetadata(par2, par3, par4 - 1);
277 }
278 else
279 {
280 var14 = par1World.getBlockMetadata(par2, par3, par4 + 1);
281 }
282
283 if (var14 == 4)
284 {
285 var13 = 4;
286 }
287
288 if ((Block.opaqueCubeLookup[var7] || Block.opaqueCubeLookup[var10]) && !Block.opaqueCubeLookup[var8] && !Block.opaqueCubeLookup[var11])
289 {
290 var13 = 5;
291 }
292
293 if ((Block.opaqueCubeLookup[var8] || Block.opaqueCubeLookup[var11]) && !Block.opaqueCubeLookup[var7] && !Block.opaqueCubeLookup[var10])
294 {
295 var13 = 4;
296 }
297 }
298
299 par1World.setBlockMetadataWithNotify(par2, par3, par4, var13);
300 }
301 }
302
303 @SideOnly(Side.CLIENT)
304
305 /**
306 * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side
307 */
308 public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
309 {
310 return 4;
311 }
312
313 /**
314 * Returns the block texture based on the side being looked at. Args: side
315 */
316 public int getBlockTextureFromSide(int par1)
317 {
318 return 4;
319 }
320
321 /**
322 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
323 */
324 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
325 {
326 int var5 = 0;
327
328 if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID)
329 {
330 ++var5;
331 }
332
333 if (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID)
334 {
335 ++var5;
336 }
337
338 if (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID)
339 {
340 ++var5;
341 }
342
343 if (par1World.getBlockId(par2, par3, par4 + 1) == this.blockID)
344 {
345 ++var5;
346 }
347
348 return var5 > 1 ? false : (this.isThereANeighborChest(par1World, par2 - 1, par3, par4) ? false : (this.isThereANeighborChest(par1World, par2 + 1, par3, par4) ? false : (this.isThereANeighborChest(par1World, par2, par3, par4 - 1) ? false : !this.isThereANeighborChest(par1World, par2, par3, par4 + 1))));
349 }
350
351 /**
352 * Checks the neighbor blocks to see if there is a chest there. Args: world, x, y, z
353 */
354 private boolean isThereANeighborChest(World par1World, int par2, int par3, int par4)
355 {
356 return par1World.getBlockId(par2, par3, par4) != this.blockID ? false : (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID ? true : (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID ? true : (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID ? true : par1World.getBlockId(par2, par3, par4 + 1) == this.blockID)));
357 }
358
359 /**
360 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
361 * their own) Args: x, y, z, neighbor blockID
362 */
363 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
364 {
365 super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
366 TileEntityChest var6 = (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4);
367
368 if (var6 != null)
369 {
370 var6.updateContainingBlockInfo();
371 }
372 }
373
374 /**
375 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
376 */
377 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
378 {
379 TileEntityChest var7 = (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4);
380
381 if (var7 != null)
382 {
383 for (int var8 = 0; var8 < var7.getSizeInventory(); ++var8)
384 {
385 ItemStack var9 = var7.getStackInSlot(var8);
386
387 if (var9 != null)
388 {
389 float var10 = this.random.nextFloat() * 0.8F + 0.1F;
390 float var11 = this.random.nextFloat() * 0.8F + 0.1F;
391 EntityItem var14;
392
393 for (float var12 = this.random.nextFloat() * 0.8F + 0.1F; var9.stackSize > 0; par1World.spawnEntityInWorld(var14))
394 {
395 int var13 = this.random.nextInt(21) + 10;
396
397 if (var13 > var9.stackSize)
398 {
399 var13 = var9.stackSize;
400 }
401
402 var9.stackSize -= var13;
403 var14 = new EntityItem(par1World, (double)((float)par2 + var10), (double)((float)par3 + var11), (double)((float)par4 + var12), new ItemStack(var9.itemID, var13, var9.getItemDamage()));
404 float var15 = 0.05F;
405 var14.motionX = (double)((float)this.random.nextGaussian() * var15);
406 var14.motionY = (double)((float)this.random.nextGaussian() * var15 + 0.2F);
407 var14.motionZ = (double)((float)this.random.nextGaussian() * var15);
408
409 if (var9.hasTagCompound())
410 {
411 var14.func_92014_d().setTagCompound((NBTTagCompound)var9.getTagCompound().copy());
412 }
413 }
414 }
415 }
416 }
417
418 super.breakBlock(par1World, par2, par3, par4, par5, par6);
419 }
420
421 /**
422 * Called upon block activation (right click on the block.)
423 */
424 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
425 {
426 Object var10 = (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4);
427
428 if (var10 == null)
429 {
430 return true;
431 }
432 else if (par1World.isBlockSolidOnSide(par2, par3 + 1, par4, DOWN))
433 {
434 return true;
435 }
436 else if (isOcelotBlockingChest(par1World, par2, par3, par4))
437 {
438 return true;
439 }
440 else if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID && (par1World.isBlockSolidOnSide(par2 - 1, par3 + 1, par4, DOWN) || isOcelotBlockingChest(par1World, par2 - 1, par3, par4)))
441 {
442 return true;
443 }
444 else if (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID && (par1World.isBlockSolidOnSide(par2 + 1, par3 + 1, par4, DOWN) || isOcelotBlockingChest(par1World, par2 + 1, par3, par4)))
445 {
446 return true;
447 }
448 else if (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID && (par1World.isBlockSolidOnSide(par2, par3 + 1, par4 - 1, DOWN) || isOcelotBlockingChest(par1World, par2, par3, par4 - 1)))
449 {
450 return true;
451 }
452 else if (par1World.getBlockId(par2, par3, par4 + 1) == this.blockID && (par1World.isBlockSolidOnSide(par2, par3 + 1, par4 + 1, DOWN) || isOcelotBlockingChest(par1World, par2, par3, par4 + 1)))
453 {
454 return true;
455 }
456 else
457 {
458 if (par1World.getBlockId(par2 - 1, par3, par4) == this.blockID)
459 {
460 var10 = new InventoryLargeChest("container.chestDouble", (TileEntityChest)par1World.getBlockTileEntity(par2 - 1, par3, par4), (IInventory)var10);
461 }
462
463 if (par1World.getBlockId(par2 + 1, par3, par4) == this.blockID)
464 {
465 var10 = new InventoryLargeChest("container.chestDouble", (IInventory)var10, (TileEntityChest)par1World.getBlockTileEntity(par2 + 1, par3, par4));
466 }
467
468 if (par1World.getBlockId(par2, par3, par4 - 1) == this.blockID)
469 {
470 var10 = new InventoryLargeChest("container.chestDouble", (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4 - 1), (IInventory)var10);
471 }
472
473 if (par1World.getBlockId(par2, par3, par4 + 1) == this.blockID)
474 {
475 var10 = new InventoryLargeChest("container.chestDouble", (IInventory)var10, (TileEntityChest)par1World.getBlockTileEntity(par2, par3, par4 + 1));
476 }
477
478 if (par1World.isRemote)
479 {
480 return true;
481 }
482 else
483 {
484 par5EntityPlayer.displayGUIChest((IInventory)var10);
485 return true;
486 }
487 }
488 }
489
490 /**
491 * Returns a new instance of a block's tile entity class. Called on placing the block.
492 */
493 public TileEntity createNewTileEntity(World par1World)
494 {
495 return new TileEntityChest();
496 }
497
498 /**
499 * Looks for a sitting ocelot within certain bounds. Such an ocelot is considered to be blocking access to the
500 * chest.
501 */
502 public static boolean isOcelotBlockingChest(World par0World, int par1, int par2, int par3)
503 {
504 Iterator var4 = par0World.getEntitiesWithinAABB(EntityOcelot.class, AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par1, (double)(par2 + 1), (double)par3, (double)(par1 + 1), (double)(par2 + 2), (double)(par3 + 1))).iterator();
505 EntityOcelot var6;
506
507 do
508 {
509 if (!var4.hasNext())
510 {
511 return false;
512 }
513
514 EntityOcelot var5 = (EntityOcelot)var4.next();
515 var6 = (EntityOcelot)var5;
516 }
517 while (!var6.isSitting());
518
519 return true;
520 }
521 }