Sending functions

    public static boolean send(Location location, Player to) {
        return send(location.getBlockX() >> 4, location.getBlockZ() >> 4, to);
    }
    public static boolean send(int cx, int cz, Player to) {
        try {
            net.minecraft.server.World world = ((CraftWorld) to.getWorld()).getHandle();
            Packet51MapChunk packet = new Packet51MapChunk(cx * 16, 0, cz * 16, 16, 128, 16, world);
            net.minecraft.server.Chunk chunk = world.getChunkAt(cx, cz);
            NetServerHandler handler = ((CraftPlayer) to).getHandle().netServerHandler;
            //Send pre-chunk
            handler.sendPacket(new Packet50PreChunk(cx * 16, cz * 16, true));
            //Send chunk
            handler.sendPacket(packet);
            //Send entities
            for (Object o : chunk.tileEntities.values()) {
                TileEntity entity = (TileEntity) o;
                handler.sendPacket(entity.l());
            }
            return true;
        } catch (Exception ex) {}
        return false;
    }

    public static boolean safeSend(Location location, Player to) {
        return safeSend(location.getBlockX() >> 4, location.getBlockZ() >> 4, to);
    }
    public static boolean safeSend(int cx, int cz, Player to) {
        if (Bukkit.getServer().getPluginManager().isPluginEnabled("NoLaggChunks")) {
            PlayerChunkLoader.clear(to, cx, cz);
            return true;
        } else {
            return send(cx, cz, to);
        }
    }

    public static void safeSendAll(Location location) {
        safeSendAll(location.getBlockX() >> 4, location.getBlockZ() >> 4, location.getWorld());
    }
    public static void safeSendAll(int cx, int cz, World world) {
        if (Bukkit.getServer().getPluginManager().isPluginEnabled("NoLaggChunks")) {
            PlayerChunkLoader.clearAll(world.getChunkAt(cx, cz));
        } else {
            for (Player player : world.getPlayers()) {
                send(cx, cz, player);
            }
        }
    }