public static boolean canFallBelow(World var0, int var1, int var2, int var3) {
      int var4 = var0.getBlockId(var1, var2, var3);
      if(var4 == 0) {
         return true;
      } else if(var4 == Block.fire.blockID) {
         return true;
      } else {
         Material var5 = Block.blocksList[var4].blockMaterial;
         return var5 == Material.water?true:var5 == Material.lava;
      }
   }