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