private void scanLogs(
      World world, int i, int j, int k, int l, boolean[][][] checkArray, int x, int y, int z) {
    if (y >= 0) {
      checkArray[x][y][z] = true;
      int offsetX = 0;
      int offsetY = 0;
      int offsetZ = 0;

      for (offsetY = 0; offsetY <= 1; offsetY++) {
        for (offsetX = -1; offsetX <= 1; offsetX++) {
          for (offsetZ = -1; offsetZ <= 1; offsetZ++) {
            if (x + offsetX < 11
                && x + offsetX >= 0
                && z + offsetZ < 11
                && z + offsetZ >= 0
                && y + offsetY < 50
                && y + offsetY >= 0) {
              if (checkOut(world, i + offsetX, j + offsetY, k + offsetZ, l)
                  && !checkArray[x + offsetX][y + offsetY][z + offsetZ]) {
                scanLogs(
                    world,
                    i + offsetX,
                    j + offsetY,
                    k + offsetZ,
                    l,
                    checkArray,
                    x + offsetX,
                    y + offsetY,
                    z + offsetZ);
              }
            }
          }
        }
      }

      world.setBlockWithNotify(i, j, k, 0);
      world.markBlockForUpdate(i, j, k);
    }
  }
  private void scanLogs(
      World world,
      int i,
      int j,
      int k,
      int l,
      boolean[][][] checkArray,
      int x,
      int y,
      int z,
      ItemStack stack) {
    if (y >= 0) {
      checkArray[x][y][z] = true;
      int offsetX = 0;
      int offsetY = 0;
      int offsetZ = 0;

      for (offsetY = 0; offsetY <= 1; offsetY++) {
        for (offsetX = -2; offsetX <= 2; offsetX++) {
          for (offsetZ = -2; offsetZ <= 2; offsetZ++) {
            if (x + offsetX < 11
                && x + offsetX >= 0
                && z + offsetZ < 11
                && z + offsetZ >= 0
                && y + offsetY < 50
                && y + offsetY >= 0) {
              if (checkOut(world, i + offsetX, j + offsetY, k + offsetZ, l)
                  && !checkArray[x + offsetX][y + offsetY][z + offsetZ]) {
                scanLogs(
                    world,
                    i + offsetX,
                    j + offsetY,
                    k + offsetZ,
                    l,
                    checkArray,
                    x + offsetX,
                    y + offsetY,
                    z + offsetZ,
                    stack);
              }
            }
          }
        }
      }

      damage++;
      if (stack != null) {
        if (damage + stack.getItemDamage() <= stack.getMaxDamage()) {
          world.setBlock(i, j, k, 0);
          world.markBlockForUpdate(i, j, k);
          if ((isStone && world.rand.nextInt(10) != 0) || !isStone)
            dropBlockAsItem_do(
                world, i, j, k, new ItemStack(Item.itemsList[TFCItems.Logs.itemID], 1, l));
        }
      } else {
        world.setBlock(i, j, k, 0);
        world.markBlockForUpdate(i, j, k);
        dropBlockAsItem_do(
            world, i, j, k, new ItemStack(Item.itemsList[TFCItems.Logs.itemID], 1, l));
      }
    }
  }
  private boolean moveToBlock(World world, int x, int y, int z, int x2, int y2, int z2) {
    int blockID2 = world.getBlockId(x2, y2, z2);
    int originMeta = world.getBlockMetadata(x, y, z);
    int destMeta = world.getBlockMetadata(x2, y2, z2);
    if (blockID2 == this.blockID) {
      if (destMeta > originMeta || y > y2) {
        if (originMeta < 7 && destMeta > 0) {
          world.setBlockMetadata(x, y, z, originMeta + 1);
          world.markBlockForUpdate(x, y, z);
          world.setBlockMetadata(x2, y2, z2, destMeta - 1);
          world.markBlockForUpdate(x2, y2, z2);
          return true;
        } else if (destMeta > 0) {
          world.setBlockWithNotify(x, y, z, 0);
          world.markBlockForUpdate(x, y, z);
          world.setBlockMetadata(x2, y2, z2, destMeta - 1);
          world.markBlockForUpdate(x2, y2, z2);
          return true;
        } else {
          return false;
        }
      } else {
        return false;
      }
    } else if (liquidCanDisplaceBlock(world, x2, y2, z2)) {
      if (blockID2 > 0) {
        if (this.blockMaterial == Material.lava) {
          this.triggerLavaMixEffects(world, x2, y2, z2);
        } else if (blockID2 == Block.waterMoving.blockID || blockID2 == Block.waterStill.blockID) {
          if (originMeta < 7) {
            world.setBlockMetadataWithNotify(x, y, z, originMeta + 1);
            world.markBlockForUpdate(x, y, z);
            return true;
          } else {
            world.setBlockWithNotify(x, y, z, 0);
            world.markBlockForUpdate(x, y, z);
            return true;
          }
        } else {
          Block.blocksList[blockID2].dropBlockAsItem(
              world, x2, y2, z2, world.getBlockMetadata(x2, y2, z2), 0);
        }
      }

      if (y2 < y) {
        world.setBlockWithNotify(x, y, z, 0);
        world.markBlockForUpdate(x, y, z);
        world.setBlockAndMetadataWithNotify(x2, y2, z2, blockID, originMeta);
        world.markBlockForUpdate(x2, y2, z2);
        return true;
      }
      if (originMeta < 7) {
        world.setBlockMetadataWithNotify(x, y, z, originMeta + 1);
        world.markBlockForUpdate(x, y, z);
        world.setBlockAndMetadataWithNotify(x2, y2, z2, blockID, 7);
        world.markBlockForUpdate(x2, y2, z2);
        return true;
      } else if (world.getBlockId(x - 1, y, z) != this.blockID
          && world.getBlockId(x + 1, y, z) != this.blockID
          && world.getBlockId(x, y + 1, z) != this.blockID
          && world.getBlockId(x, y, z - 1) != this.blockID
          && world.getBlockId(x, y, z + 1) != this.blockID) {
        world.setBlockWithNotify(x, y, z, 0);
        return true;
      } else {
        world.setBlockWithNotify(x, y, z, 0);
        world.markBlockForUpdate(x, y, z);
        world.setBlockAndMetadataWithNotify(x2, y2, z2, blockID, 7);
        world.markBlockForUpdate(x2, y2, z2);
        return true;
      }
    } else {
      return false;
    }
  }
  @Override
  public void updateTick(World world, int i, int j, int k, Random rand) {
    FloraManager manager = FloraManager.getInstance();
    FloraIndex fi = manager.findMatchingIndex(this.getType(world.getBlockMetadata(i, j, k)));

    float temp = TFC_Climate.getHeightAdjustedTemp(i, j, k);

    if (!world.isRemote
        && world.getBlockTileEntity(i, j, k) != null
        && TFC_Time.currentMonth < 6
        && fi != null
        && temp >= fi.minTemp
        && temp < fi.maxTemp) {
      TileEntityFruitTreeWood te = (TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k);
      int t = 1;
      if (TFC_Time.currentMonth < 3) t = 2;

      int leafGrowthRate = 20;
      int trunkGrowTime = 30;
      int branchGrowTime = 20;

      // grow upward
      if (te.birthTimeWood + trunkGrowTime < TFC_Time.totalDays()
          && te.height < 3
          && te.isTrunk
          && rand.nextInt(16 / t) == 0
          && (world.getBlockId(i, j + 1, k) == 0
              || world.getBlockId(i, j + 1, k) == TFCBlocks.fruitTreeLeaves.blockID)) {
        world.setBlockAndMetadata(i, j + 1, k, this.blockID, world.getBlockMetadata(i, j, k));
        ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j + 1, k)).setTrunk(true);
        ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j + 1, k)).setHeight(te.height + 1);
        ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j + 1, k)).setBirth();

        ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k)).setBirthWood(trunkGrowTime);
      } else if (te.birthTimeWood + branchGrowTime < TFC_Time.totalDays()
          && te.height == 2
          && te.isTrunk
          && rand.nextInt(16 / t) == 0
          && world.getBlockId(i, j + 1, k) != blockID) {
        int r = rand.nextInt(4);
        if (r == 0 && world.getBlockId(i + 1, j, k) == 0
            || world.getBlockId(i + 1, j, k) == TFCBlocks.fruitTreeLeaves.blockID) {
          world.setBlockAndMetadata(i + 1, j, k, this.blockID, world.getBlockMetadata(i, j, k));
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i + 1, j, k)).setTrunk(false);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i + 1, j, k)).setHeight(te.height);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i + 1, j, k)).setBirth();
        } else if (r == 1 && world.getBlockId(i, j, k - 1) == 0
            || world.getBlockId(i, j, k - 1) == TFCBlocks.fruitTreeLeaves.blockID) {
          world.setBlockAndMetadata(i, j, k - 1, this.blockID, world.getBlockMetadata(i, j, k));
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k - 1)).setTrunk(false);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k - 1)).setHeight(te.height);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k - 1)).setBirth();
        } else if (r == 2 && world.getBlockId(i - 1, j, k) == 0
            || world.getBlockId(i - 1, j, k) == TFCBlocks.fruitTreeLeaves.blockID) {
          world.setBlockAndMetadata(i - 1, j, k, this.blockID, world.getBlockMetadata(i, j, k));
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i - 1, j, k)).setTrunk(false);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i - 1, j, k)).setHeight(te.height);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i - 1, j, k)).setBirth();
        } else if (r == 3 && world.getBlockId(i, j, k + 1) == 0
            || world.getBlockId(i, j, k + 1) == TFCBlocks.fruitTreeLeaves.blockID) {
          world.setBlockAndMetadata(i, j, k + 1, this.blockID, world.getBlockMetadata(i, j, k));
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k + 1)).setTrunk(false);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k + 1)).setHeight(te.height);
          ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k + 1)).setBirth();
        }

        ((TileEntityFruitTreeWood) world.getBlockTileEntity(i, j, k)).setBirthWood(branchGrowTime);
      } else if (te.birthTimeWood + 1 < TFC_Time.totalDays()
          && rand.nextInt(leafGrowthRate) == 0
          && world.getBlockId(i, j + 2, k) != blockID) {
        if (world.getBlockId(i, j + 1, k) == 0
            && world.getBlockId(i, j + 2, k) == 0
            && BlockFruitLeaves.canStay(
                world, i, j + 1, k, TFCBlocks.fruitTreeLeaves.blockID)) // above
        {
          world.setBlockAndMetadata(
              i, j + 1, k, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i, j + 1, k);
        } else if (world.getBlockId(i + 1, j, k) == 0
            && world.getBlockId(i + 1, j + 1, k) == 0
            && BlockFruitLeaves.canStay(
                world, i + 1, j, k, TFCBlocks.fruitTreeLeaves.blockID)) // +x
        {
          world.setBlockAndMetadata(
              i + 1, j, k, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i + 1, j, k);
        } else if (world.getBlockId(i - 1, j, k) == 0
            && world.getBlockId(i - 1, j + 1, k) == 0
            && BlockFruitLeaves.canStay(
                world, i - 1, j, k, TFCBlocks.fruitTreeLeaves.blockID)) // -x
        {
          world.setBlockAndMetadata(
              i - 1, j, k, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i - 1, j, k);
        } else if (world.getBlockId(i, j, k + 1) == 0
            && world.getBlockId(i, j + 1, k + 1) == 0
            && BlockFruitLeaves.canStay(
                world, i, j, k + 1, TFCBlocks.fruitTreeLeaves.blockID)) // +z
        {
          world.setBlockAndMetadata(
              i, j, k + 1, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i, j, k + 1);
        } else if (world.getBlockId(i, j, k - 1) == 0
            && world.getBlockId(i, j + 1, k - 1) == 0
            && BlockFruitLeaves.canStay(
                world, i, j, k - 1, TFCBlocks.fruitTreeLeaves.blockID)) // -z
        {
          world.setBlockAndMetadata(
              i, j, k - 1, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i, j, k - 1);
        } else if (world.getBlockId(i + 1, j, k - 1) == 0
            && world.getBlockId(i + 1, j + 1, k - 1) == 0
            && BlockFruitLeaves.canStay(
                world, i + 1, j, k - 1, TFCBlocks.fruitTreeLeaves.blockID)) // +x/-z
        {
          world.setBlockAndMetadata(
              i + 1, j, k - 1, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i + 1, j, k - 1);
        } else if (world.getBlockId(i + 1, j, k + 1) == 0
            && world.getBlockId(i + 1, j + 1, k + 1) == 0
            && BlockFruitLeaves.canStay(
                world, i + 1, j, k + 1, TFCBlocks.fruitTreeLeaves.blockID)) // +x/+z
        {
          world.setBlockAndMetadata(
              i + 1, j, k + 1, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i + 1, j, k + 1);
        } else if (world.getBlockId(i - 1, j, k - 1) == 0
            && world.getBlockId(i - 1, j + 1, k - 1) == 0
            && BlockFruitLeaves.canStay(
                world, i - 1, j, k - 1, TFCBlocks.fruitTreeLeaves.blockID)) // -x/-z
        {
          world.setBlockAndMetadata(
              i - 1, j, k - 1, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i - 1, j, k - 1);
        } else if (world.getBlockId(i - 1, j, k + 1) == 0
            && world.getBlockId(i - 1, j + 1, k + 1) == 0
            && BlockFruitLeaves.canStay(
                world, i - 1, j, k + 1, TFCBlocks.fruitTreeLeaves.blockID)) // -x/+z
        {
          world.setBlockAndMetadata(
              i - 1, j, k + 1, TFCBlocks.fruitTreeLeaves.blockID, world.getBlockMetadata(i, j, k));
          world.markBlockForUpdate(i - 1, j, k + 1);
        }
      }
    }
  }