/** Ticks the block if it's been scheduled */ public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) { super.updateTick(par1World, par2, par3, par4, par5Random); if (par1World.provider.isSurfaceWorld() && par5Random.nextInt(2000) < par1World.difficultySetting) { int var6; for (var6 = par3; !par1World.doesBlockHaveSolidTopSurface(par2, var6, par4) && var6 > 0; --var6) {; } if (var6 > 0 && !par1World.isBlockNormalCube(par2, var6 + 1, par4)) { Entity var7 = ItemMonsterPlacer.spawnCreature( par1World, 57, (double) par2 + 0.5D, (double) var6 + 1.1D, (double) par4 + 0.5D); if (var7 != null) { var7.timeUntilPortal = var7.getPortalCooldown(); } } } }