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.Random;
006 import net.minecraftforge.common.ForgeDirection;
007 import static net.minecraftforge.common.ForgeDirection.*;
008
009 public class BlockFire extends Block
010 {
011 /** The chance this block will encourage nearby blocks to catch on fire */
012 private int[] chanceToEncourageFire = new int[256];
013
014 /**
015 * This is an array indexed by block ID the larger the number in the array the more likely a block type will catch
016 * fires
017 */
018 private int[] abilityToCatchFire = new int[256];
019
020 protected BlockFire(int par1, int par2)
021 {
022 super(par1, par2, Material.fire);
023 this.setTickRandomly(true);
024 }
025
026 /**
027 * This method is called on a block after all other blocks gets already created. You can use it to reference and
028 * configure something on the block that needs the others ones.
029 */
030 public void initializeBlock()
031 {
032 abilityToCatchFire = Block.blockFlammability;
033 chanceToEncourageFire = Block.blockFireSpreadSpeed;
034 this.setBurnRate(Block.planks.blockID, 5, 20);
035 this.setBurnRate(Block.woodDoubleSlab.blockID, 5, 20);
036 this.setBurnRate(Block.woodSingleSlab.blockID, 5, 20);
037 this.setBurnRate(Block.fence.blockID, 5, 20);
038 this.setBurnRate(Block.stairCompactPlanks.blockID, 5, 20);
039 this.setBurnRate(Block.stairsWoodBirch.blockID, 5, 20);
040 this.setBurnRate(Block.stairsWoodSpruce.blockID, 5, 20);
041 this.setBurnRate(Block.stairsWoodJungle.blockID, 5, 20);
042 this.setBurnRate(Block.wood.blockID, 5, 5);
043 this.setBurnRate(Block.leaves.blockID, 30, 60);
044 this.setBurnRate(Block.bookShelf.blockID, 30, 20);
045 this.setBurnRate(Block.tnt.blockID, 15, 100);
046 this.setBurnRate(Block.tallGrass.blockID, 60, 100);
047 this.setBurnRate(Block.cloth.blockID, 30, 60);
048 this.setBurnRate(Block.vine.blockID, 15, 100);
049 }
050
051 /**
052 * Sets the burn rate for a block. The larger abilityToCatchFire the more easily it will catch. The larger
053 * chanceToEncourageFire the faster it will burn and spread to other blocks. Args: blockID, chanceToEncourageFire,
054 * abilityToCatchFire
055 */
056 private void setBurnRate(int par1, int par2, int par3)
057 {
058 Block.setBurnProperties(par1, par2, par3);
059 }
060
061 /**
062 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
063 * cleared to be reused)
064 */
065 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
066 {
067 return null;
068 }
069
070 /**
071 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
072 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
073 */
074 public boolean isOpaqueCube()
075 {
076 return false;
077 }
078
079 /**
080 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
081 */
082 public boolean renderAsNormalBlock()
083 {
084 return false;
085 }
086
087 /**
088 * The type of render function that is called for this block
089 */
090 public int getRenderType()
091 {
092 return 3;
093 }
094
095 /**
096 * Returns the quantity of items to drop on block destruction.
097 */
098 public int quantityDropped(Random par1Random)
099 {
100 return 0;
101 }
102
103 /**
104 * How many world ticks before ticking
105 */
106 public int tickRate()
107 {
108 return 30;
109 }
110
111 /**
112 * Ticks the block if it's been scheduled
113 */
114 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
115 {
116 Block base = Block.blocksList[par1World.getBlockId(par2, par3 - 1, par4)];
117 boolean var6 = (base != null && base.isFireSource(par1World, par2, par3 - 1, par4, par1World.getBlockMetadata(par2, par3 - 1, par4), UP));
118
119 if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
120 {
121 par1World.setBlockWithNotify(par2, par3, par4, 0);
122 }
123
124 if (!var6 && par1World.isRaining() && (par1World.canLightningStrikeAt(par2, par3, par4) || par1World.canLightningStrikeAt(par2 - 1, par3, par4) || par1World.canLightningStrikeAt(par2 + 1, par3, par4) || par1World.canLightningStrikeAt(par2, par3, par4 - 1) || par1World.canLightningStrikeAt(par2, par3, par4 + 1)))
125 {
126 par1World.setBlockWithNotify(par2, par3, par4, 0);
127 }
128 else
129 {
130 int var7 = par1World.getBlockMetadata(par2, par3, par4);
131
132 if (var7 < 15)
133 {
134 par1World.setBlockMetadata(par2, par3, par4, var7 + par5Random.nextInt(3) / 2);
135 }
136
137 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate() + par5Random.nextInt(10));
138
139 if (!var6 && !this.canNeighborBurn(par1World, par2, par3, par4))
140 {
141 if (!par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) || var7 > 3)
142 {
143 par1World.setBlockWithNotify(par2, par3, par4, 0);
144 }
145 }
146 else if (!var6 && !this.canBlockCatchFire(par1World, par2, par3 - 1, par4, UP) && var7 == 15 && par5Random.nextInt(4) == 0)
147 {
148 par1World.setBlockWithNotify(par2, par3, par4, 0);
149 }
150 else
151 {
152 boolean var8 = par1World.isBlockHighHumidity(par2, par3, par4);
153 byte var9 = 0;
154
155 if (var8)
156 {
157 var9 = -50;
158 }
159
160 this.tryToCatchBlockOnFire(par1World, par2 + 1, par3, par4, 300 + var9, par5Random, var7, WEST );
161 this.tryToCatchBlockOnFire(par1World, par2 - 1, par3, par4, 300 + var9, par5Random, var7, EAST );
162 this.tryToCatchBlockOnFire(par1World, par2, par3 - 1, par4, 250 + var9, par5Random, var7, UP );
163 this.tryToCatchBlockOnFire(par1World, par2, par3 + 1, par4, 250 + var9, par5Random, var7, DOWN );
164 this.tryToCatchBlockOnFire(par1World, par2, par3, par4 - 1, 300 + var9, par5Random, var7, SOUTH);
165 this.tryToCatchBlockOnFire(par1World, par2, par3, par4 + 1, 300 + var9, par5Random, var7, NORTH);
166
167 for (int var10 = par2 - 1; var10 <= par2 + 1; ++var10)
168 {
169 for (int var11 = par4 - 1; var11 <= par4 + 1; ++var11)
170 {
171 for (int var12 = par3 - 1; var12 <= par3 + 4; ++var12)
172 {
173 if (var10 != par2 || var12 != par3 || var11 != par4)
174 {
175 int var13 = 100;
176
177 if (var12 > par3 + 1)
178 {
179 var13 += (var12 - (par3 + 1)) * 100;
180 }
181
182 int var14 = this.getChanceOfNeighborsEncouragingFire(par1World, var10, var12, var11);
183
184 if (var14 > 0)
185 {
186 int var15 = (var14 + 40) / (var7 + 30);
187
188 if (var8)
189 {
190 var15 /= 2;
191 }
192
193 if (var15 > 0 && par5Random.nextInt(var13) <= var15 && (!par1World.isRaining() || !par1World.canLightningStrikeAt(var10, var12, var11)) && !par1World.canLightningStrikeAt(var10 - 1, var12, par4) && !par1World.canLightningStrikeAt(var10 + 1, var12, var11) && !par1World.canLightningStrikeAt(var10, var12, var11 - 1) && !par1World.canLightningStrikeAt(var10, var12, var11 + 1))
194 {
195 int var16 = var7 + par5Random.nextInt(5) / 4;
196
197 if (var16 > 15)
198 {
199 var16 = 15;
200 }
201
202 par1World.setBlockAndMetadataWithNotify(var10, var12, var11, this.blockID, var16);
203 }
204 }
205 }
206 }
207 }
208 }
209 }
210 }
211 }
212
213 private void tryToCatchBlockOnFire(World par1World, int par2, int par3, int par4, int par5, Random par6Random, int par7)
214 {
215 tryToCatchBlockOnFire(par1World, par2, par3, par4, par5, par6Random, par7, UP);
216 }
217 private void tryToCatchBlockOnFire(World par1World, int par2, int par3, int par4, int par5, Random par6Random, int par7, ForgeDirection face)
218 {
219 int var8 = 0;
220 Block block = Block.blocksList[par1World.getBlockId(par2, par3, par4)];
221 if (block != null)
222 {
223 var8 = block.getFlammability(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), face);
224 }
225
226 if (par6Random.nextInt(par5) < var8)
227 {
228 boolean var9 = par1World.getBlockId(par2, par3, par4) == Block.tnt.blockID;
229
230 if (par6Random.nextInt(par7 + 10) < 5 && !par1World.canLightningStrikeAt(par2, par3, par4))
231 {
232 int var10 = par7 + par6Random.nextInt(5) / 4;
233
234 if (var10 > 15)
235 {
236 var10 = 15;
237 }
238
239 par1World.setBlockAndMetadataWithNotify(par2, par3, par4, this.blockID, var10);
240 }
241 else
242 {
243 par1World.setBlockWithNotify(par2, par3, par4, 0);
244 }
245
246 if (var9)
247 {
248 Block.tnt.onBlockDestroyedByPlayer(par1World, par2, par3, par4, 1);
249 }
250 }
251 }
252
253 /**
254 * Returns true if at least one block next to this one can burn.
255 */
256 private boolean canNeighborBurn(World par1World, int par2, int par3, int par4)
257 {
258 return canBlockCatchFire(par1World, par2 + 1, par3, par4, WEST ) ||
259 canBlockCatchFire(par1World, par2 - 1, par3, par4, EAST ) ||
260 canBlockCatchFire(par1World, par2, par3 - 1, par4, UP ) ||
261 canBlockCatchFire(par1World, par2, par3 + 1, par4, DOWN ) ||
262 canBlockCatchFire(par1World, par2, par3, par4 - 1, SOUTH) ||
263 canBlockCatchFire(par1World, par2, par3, par4 + 1, NORTH);
264 }
265
266 /**
267 * Gets the highest chance of a neighbor block encouraging this block to catch fire
268 */
269 private int getChanceOfNeighborsEncouragingFire(World par1World, int par2, int par3, int par4)
270 {
271 byte var5 = 0;
272
273 if (!par1World.isAirBlock(par2, par3, par4))
274 {
275 return 0;
276 }
277 else
278 {
279 int var6 = this.getChanceToEncourageFire(par1World, par2 + 1, par3, par4, var5, WEST);
280 var6 = this.getChanceToEncourageFire(par1World, par2 - 1, par3, par4, var6, EAST);
281 var6 = this.getChanceToEncourageFire(par1World, par2, par3 - 1, par4, var6, UP);
282 var6 = this.getChanceToEncourageFire(par1World, par2, par3 + 1, par4, var6, DOWN);
283 var6 = this.getChanceToEncourageFire(par1World, par2, par3, par4 - 1, var6, SOUTH);
284 var6 = this.getChanceToEncourageFire(par1World, par2, par3, par4 + 1, var6, NORTH);
285 return var6;
286 }
287 }
288
289 /**
290 * Returns if this block is collidable (only used by Fire). Args: x, y, z
291 */
292 public boolean isCollidable()
293 {
294 return false;
295 }
296
297 /**
298 * Checks the specified block coordinate to see if it can catch fire. Args: blockAccess, x, y, z
299 * Deprecated for a side-sensitive version
300 */
301 @Deprecated
302 public boolean canBlockCatchFire(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
303 {
304 return canBlockCatchFire(par1IBlockAccess, par2, par3, par4, UP);
305 }
306
307 /**
308 * Retrieves a specified block's chance to encourage their neighbors to burn and if the number is greater than the
309 * current number passed in it will return its number instead of the passed in one. Args: world, x, y, z,
310 * curChanceToEncourageFire
311 * Deprecated for a side-sensitive version
312 */
313 @Deprecated
314 public int getChanceToEncourageFire(World par1World, int par2, int par3, int par4, int par5)
315 {
316 return getChanceToEncourageFire(par1World, par2, par3, par4, par5, UP);
317 }
318
319 /**
320 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
321 */
322 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
323 {
324 return par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) || this.canNeighborBurn(par1World, par2, par3, par4);
325 }
326
327 /**
328 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
329 * their own) Args: x, y, z, neighbor blockID
330 */
331 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
332 {
333 if (!par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) && !this.canNeighborBurn(par1World, par2, par3, par4))
334 {
335 par1World.setBlockWithNotify(par2, par3, par4, 0);
336 }
337 }
338
339 /**
340 * Called whenever the block is added into the world. Args: world, x, y, z
341 */
342 public void onBlockAdded(World par1World, int par2, int par3, int par4)
343 {
344 if (par1World.provider.dimensionId > 0 || par1World.getBlockId(par2, par3 - 1, par4) != Block.obsidian.blockID || !Block.portal.tryToCreatePortal(par1World, par2, par3, par4))
345 {
346 if (!par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) && !this.canNeighborBurn(par1World, par2, par3, par4))
347 {
348 par1World.setBlockWithNotify(par2, par3, par4, 0);
349 }
350 else
351 {
352 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate() + par1World.rand.nextInt(10));
353 }
354 }
355 }
356
357 @SideOnly(Side.CLIENT)
358
359 /**
360 * A randomly called display update to be able to add particles or other items for display
361 */
362 public void randomDisplayTick(World par1World, int par2, int par3, int par4, Random par5Random)
363 {
364 if (par5Random.nextInt(24) == 0)
365 {
366 par1World.playSound((double)((float)par2 + 0.5F), (double)((float)par3 + 0.5F), (double)((float)par4 + 0.5F), "fire.fire", 1.0F + par5Random.nextFloat(), par5Random.nextFloat() * 0.7F + 0.3F);
367 }
368
369 int var6;
370 float var7;
371 float var8;
372 float var9;
373
374 if (!par1World.doesBlockHaveSolidTopSurface(par2, par3 - 1, par4) && !Block.fire.canBlockCatchFire(par1World, par2, par3 - 1, par4, UP))
375 {
376 if (Block.fire.canBlockCatchFire(par1World, par2 - 1, par3, par4, EAST))
377 {
378 for (var6 = 0; var6 < 2; ++var6)
379 {
380 var7 = (float)par2 + par5Random.nextFloat() * 0.1F;
381 var8 = (float)par3 + par5Random.nextFloat();
382 var9 = (float)par4 + par5Random.nextFloat();
383 par1World.spawnParticle("largesmoke", (double)var7, (double)var8, (double)var9, 0.0D, 0.0D, 0.0D);
384 }
385 }
386
387 if (Block.fire.canBlockCatchFire(par1World, par2 + 1, par3, par4, WEST))
388 {
389 for (var6 = 0; var6 < 2; ++var6)
390 {
391 var7 = (float)(par2 + 1) - par5Random.nextFloat() * 0.1F;
392 var8 = (float)par3 + par5Random.nextFloat();
393 var9 = (float)par4 + par5Random.nextFloat();
394 par1World.spawnParticle("largesmoke", (double)var7, (double)var8, (double)var9, 0.0D, 0.0D, 0.0D);
395 }
396 }
397
398 if (Block.fire.canBlockCatchFire(par1World, par2, par3, par4 - 1, SOUTH))
399 {
400 for (var6 = 0; var6 < 2; ++var6)
401 {
402 var7 = (float)par2 + par5Random.nextFloat();
403 var8 = (float)par3 + par5Random.nextFloat();
404 var9 = (float)par4 + par5Random.nextFloat() * 0.1F;
405 par1World.spawnParticle("largesmoke", (double)var7, (double)var8, (double)var9, 0.0D, 0.0D, 0.0D);
406 }
407 }
408
409 if (Block.fire.canBlockCatchFire(par1World, par2, par3, par4 + 1, NORTH))
410 {
411 for (var6 = 0; var6 < 2; ++var6)
412 {
413 var7 = (float)par2 + par5Random.nextFloat();
414 var8 = (float)par3 + par5Random.nextFloat();
415 var9 = (float)(par4 + 1) - par5Random.nextFloat() * 0.1F;
416 par1World.spawnParticle("largesmoke", (double)var7, (double)var8, (double)var9, 0.0D, 0.0D, 0.0D);
417 }
418 }
419
420 if (Block.fire.canBlockCatchFire(par1World, par2, par3 + 1, par4, DOWN))
421 {
422 for (var6 = 0; var6 < 2; ++var6)
423 {
424 var7 = (float)par2 + par5Random.nextFloat();
425 var8 = (float)(par3 + 1) - par5Random.nextFloat() * 0.1F;
426 var9 = (float)par4 + par5Random.nextFloat();
427 par1World.spawnParticle("largesmoke", (double)var7, (double)var8, (double)var9, 0.0D, 0.0D, 0.0D);
428 }
429 }
430 }
431 else
432 {
433 for (var6 = 0; var6 < 3; ++var6)
434 {
435 var7 = (float)par2 + par5Random.nextFloat();
436 var8 = (float)par3 + par5Random.nextFloat() * 0.5F + 0.5F;
437 var9 = (float)par4 + par5Random.nextFloat();
438 par1World.spawnParticle("largesmoke", (double)var7, (double)var8, (double)var9, 0.0D, 0.0D, 0.0D);
439 }
440 }
441 }
442
443 /**
444 * Side sensitive version that calls the block function.
445 *
446 * @param world The current world
447 * @param x X Position
448 * @param y Y Position
449 * @param z Z Position
450 * @param face The side the fire is coming from
451 * @return True if the face can catch fire.
452 */
453 public boolean canBlockCatchFire(IBlockAccess world, int x, int y, int z, ForgeDirection face)
454 {
455 Block block = Block.blocksList[world.getBlockId(x, y, z)];
456 if (block != null)
457 {
458 return block.isFlammable(world, x, y, z, world.getBlockMetadata(x, y, z), face);
459 }
460 return false;
461 }
462
463 /**
464 * Side sensitive version that calls the block function.
465 *
466 * @param world The current world
467 * @param x X Position
468 * @param y Y Position
469 * @param z Z Position
470 * @param oldChance The previous maximum chance.
471 * @param face The side the fire is coming from
472 * @return The chance of the block catching fire, or oldChance if it is higher
473 */
474 public int getChanceToEncourageFire(World world, int x, int y, int z, int oldChance, ForgeDirection face)
475 {
476 int newChance = 0;
477 Block block = Block.blocksList[world.getBlockId(x, y, z)];
478 if (block != null)
479 {
480 newChance = block.getFireSpreadSpeed(world, x, y, z, world.getBlockMetadata(x, y, z), face);
481 }
482 return (newChance > oldChance ? newChance : oldChance);
483 }
484 }