gt:             l = this.d(world, i, j + 1, k, l);
context: package net.minecraft.server;
  
  import java.util.Random;
  
  // CraftBukkit start
  import org.bukkit.event.block.BlockIgniteEvent;
  import org.bukkit.event.block.BlockBurnEvent;
  import org.bukkit.event.block.BlockSpreadEvent;
  // CraftBukkit end
  
  public class BlockFire extends Block {
  
      private int[] a = new int[256];
      private int[] b = new int[256];
  
      protected BlockFire(int i, int j) {
          super(i, j, Material.FIRE);
          this.b(true);
      }
  
      public void t_() {
          this.a(Block.WOOD.id, 5, 20);
          this.a(Block.WOOD_DOUBLE_STEP.id, 5, 20);
          this.a(Block.WOOD_STEP.id, 5, 20);
          this.a(Block.FENCE.id, 5, 20);
          this.a(Block.WOOD_STAIRS.id, 5, 20);
          this.a(Block.BIRCH_WOOD_STAIRS.id, 5, 20);
          this.a(Block.SPRUCE_WOOD_STAIRS.id, 5, 20);
          this.a(Block.JUNGLE_WOOD_STAIRS.id, 5, 20);
          this.a(Block.LOG.id, 5, 5);
          this.a(Block.LEAVES.id, 30, 60);
          this.a(Block.BOOKSHELF.id, 30, 20);
          this.a(Block.TNT.id, 15, 100);
          this.a(Block.LONG_GRASS.id, 60, 100);
          this.a(Block.WOOL.id, 30, 60);
          this.a(Block.VINE.id, 15, 100);
      }
  
      private void a(int i, int j, int k) {
          this.a[i] = j;
          this.b[i] = k;
      }
  
      public AxisAlignedBB e(World world, int i, int j, int k) {
          return null;
      }
  
      public boolean c() {
          return false;
      }
  
      public boolean b() {
          return false;
      }
  
      public int d() {
          return 3;
      }
  
      public int a(Random random) {
          return 0;
      }
  
      public int r_() {
          return 30;
      }
  
      public void b(World world, int i, int j, int k, Random random) {
          if (world.getGameRules().getBoolean("doFireTick")) {
              boolean flag = world.getTypeId(i, j - 1, k) == Block.NETHERRACK.id;
  
              if (world.worldProvider instanceof WorldProviderTheEnd && world.getTypeId(i, j - 1, k) == Block.BEDROCK.id) {
                  flag = true;
              }
  
              if (!this.canPlace(world, i, j, k)) {
                  fireExtinguished(world, i, j, k); // CraftBukkit - invalid place location
              }
  
              if (!flag && world.N() && (world.D(i, j, k) || world.D(i - 1, j, k) || world.D(i + 1, j, k) || world.D(i, j, k - 1) || world.D(i, j, k + 1))) {
                  fireExtinguished(world, i, j, k); // CraftBukkit - extinguished by rain
              } else {
                  int l = world.getData(i, j, k);
  
                  if (l < 15) {
                      world.setRawData(i, j, k, l + random.nextInt(3) / 2);
                  }
  
                  world.a(i, j, k, this.id, this.r_() + random.nextInt(10));
                  if (!flag && !this.l(world, i, j, k)) {
                      if (!world.v(i, j - 1, k) || l > 3) {
                          world.setTypeId(i, j, k, 0);
                      }
                  } else if (!flag && !this.d((IBlockAccess) world, i, j - 1, k) && l == 15 && random.nextInt(4) == 0) {
                      fireExtinguished(world, i, j, k); // CraftBukkit - burn out
                  } else {
                      boolean flag1 = world.E(i, j, k);
                      byte b0 = 0;
  
                      if (flag1) {
                          b0 = -50;
                      }
  
                      this.a(world, i + 1, j, k, 300 + b0, random, l);
                      this.a(world, i - 1, j, k, 300 + b0, random, l);
                      this.a(world, i, j - 1, k, 250 + b0, random, l);
                      this.a(world, i, j + 1, k, 250 + b0, random, l);
                      this.a(world, i, j, k - 1, 300 + b0, random, l);
                      this.a(world, i, j, k + 1, 300 + b0, random, l);
  
                      // CraftBukkit start - call to stop spread of fire
                      org.bukkit.Server server = world.getServer();
                      org.bukkit.World bworld = world.getWorld();
  
                      BlockIgniteEvent.IgniteCause igniteCause = BlockIgniteEvent.IgniteCause.SPREAD;
                      org.bukkit.block.Block fromBlock = bworld.getBlockAt(i, j, k);
                      // CraftBukkit end
  
                      for (int i1 = i - 1; i1 <= i + 1; ++i1) {
                          for (int j1 = k - 1; j1 <= k + 1; ++j1) {
                              for (int k1 = j - 1; k1 <= j + 4; ++k1) {
                                  if (i1 != i || k1 != j || j1 != k) {
                                      int l1 = 100;
  
                                      if (k1 > j + 1) {
                                          l1 += (k1 - (j + 1)) * 100;
                                      }
  
                                      int i2 = this.n(world, i1, k1, j1);
  
                                      if (i2 > 0) {
                                          int j2 = (i2 + 40 + world.difficulty * 7) / (l + 30);
  
                                          if (flag1) {
                                              j2 /= 2;
                                          }
  
                                          if (j2 > 0 && random.nextInt(l1) <= j2 && (!world.N() || !world.D(i1, k1, j1)) && !world.D(i1 - 1, k1, k) && !world.D(i1 + 1, k1, j1) && !world.D(i1, k1, j1 - 1) && !world.D(i1, k1, j1 + 1)) {
                                              int k2 = l + random.nextInt(5) / 4;
  
                                              if (k2 > 15) {
                                                  k2 = 15;
                                              }
  
                                              // CraftBukkit start - call to stop spread of fire
                                              org.bukkit.block.Block block = bworld.getBlockAt(i1, k1, j1);
  
                                              if (block.getTypeId() != Block.FIRE.id) {
                                                  BlockIgniteEvent event = new BlockIgniteEvent(block, igniteCause, null);
                                                  server.getPluginManager().callEvent(event);
  
                                                  if (event.isCancelled()) {
                                                      continue;
                                                  }
  
                                                  org.bukkit.block.BlockState blockState = bworld.getBlockAt(i1, k1, j1).getState();
                                                  blockState.setTypeId(this.id);
                                                  blockState.setData(new org.bukkit.material.MaterialData(this.id, (byte) k2));
  
                                                  BlockSpreadEvent spreadEvent = new BlockSpreadEvent(blockState.getBlock(), fromBlock, blockState);
                                                  server.getPluginManager().callEvent(spreadEvent);
  
                                                  if (!spreadEvent.isCancelled()) {
                                                      blockState.update(true);
                                                  }
                                              }
                                              // CraftBukkit end
                                          }
                                      }
                                  }
                              }
                          }
                      }
                  }
              }
          }
      }
  
      public boolean l() {
          return false;
      }
  
      private void a(World world, int i, int j, int k, int l, Random random, int i1) {
          int j1 = this.b[world.getTypeId(i, j, k)];
  
          if (random.nextInt(l) < j1) {
              boolean flag = world.getTypeId(i, j, k) == Block.TNT.id;
  
              // CraftBukkit start
              org.bukkit.block.Block theBlock = world.getWorld().getBlockAt(i, j, k);
  
              BlockBurnEvent event = new BlockBurnEvent(theBlock);
              world.getServer().getPluginManager().callEvent(event);
  
              if (event.isCancelled()) {
                  return;
              }
              // CraftBukkit end
  
              if (random.nextInt(i1 + 10) < 5 && !world.D(i, j, k)) {
                  int k1 = i1 + random.nextInt(5) / 4;
  
                  if (k1 > 15) {
                      k1 = 15;
                  }
  
                  world.setTypeIdAndData(i, j, k, this.id, k1);
              } else {
                  world.setTypeId(i, j, k, 0);
              }
  
              if (flag) {
                  Block.TNT.postBreak(world, i, j, k, 1);
              }
          }
      }
  
      private boolean l(World world, int i, int j, int k) {
          return this.d((IBlockAccess) world, i + 1, j, k) ? true : (this.d((IBlockAccess) world, i - 1, j, k) ? true : (this.d((IBlockAccess) world, i, j - 1, k) ? true : (this.d((IBlockAccess) world, i, j + 1, k) ? true : (this.d((IBlockAccess) world, i, j, k - 1) ? true : this.d((IBlockAccess) world, i, j, k + 1)))));
      }
  
      private int n(World world, int i, int j, int k) {
          byte b0 = 0;
  
          if (!world.isEmpty(i, j, k)) {
              return 0;
          } else {
              int l = this.d(world, i + 1, j, k, b0);
  
              l = this.d(world, i - 1, j, k, l);
              l = this.d(world, i, j - 1, k, l);
  