// Redstone fence gates
        Block bl = event.getBlock();
        for(BlockFace bf: BlockFace.values()) {
             Block isfencegate = bl.getRelative(bf);
            if(isfencegate.getType() == Material.FENCE_GATE) {
                if(bl.isBlockPowered() || bl.isBlockIndirectlyPowered()) {
                    if(!ra.contains(bl.getLocation())) {
                        if(isfencegate.getData() <= 3) {
                            byte fb = isfencegate.getData();
                            fb += 4;
                            isfencegate.setData(fb);
                        }
                        ra.add(bl.getLocation());
                    }
                } else {
                    if(ra.contains(bl.getLocation())) {
                        if(isfencegate.getData() >= 4) {
                            byte fb = isfencegate.getData();
                            fb -= 4;
                            isfencegate.setData(fb);
                        }
                        ra.remove(bl.getLocation());
                    }
                }
            }
        }