Esempio n. 1
0
        /**
         * Update the specified player.
         * @param p
         */
        public static void update(Player player)
        {
            //Creates a list of new players in area. [This only happens once.. no rebuilding like all runescape 2 servers.]
            player.getLocalEnvironment().updatePlayersInArea();

            //Attempt to skip a pointless update if possible.
            //Any current users on screen got a update for me.
            bool hasAppearanceUpdate = player.getLocalEnvironment().getSeenPlayers().Exists(new Predicate<Player>(delegate(Player p) { return p.getUpdateFlags().hasAnyUpdate(); }));
            //No new pending players and no players pending to get removed from screen.
            bool hasAddRemoveUpdate = (player.getLocalEnvironment().getNewPlayers().Count > 0 || player.getLocalEnvironment().getRemovedPlayers().Count > 0);
            //no updates.. exit.

            if (!hasAppearanceUpdate && !hasAddRemoveUpdate && !player.getUpdateFlags().hasAnyUpdate() && !player.getUpdateFlags().didMapRegionChange() && player.getConnection().getPingCount() < 7) return;

            player.getConnection().resetPingCount();

            if (player.getUpdateFlags().didMapRegionChange())
                player.getPackets().sendMapRegion();

            PacketBuilder mainPacket = new PacketBuilder().setId(225).setSize(Packet.Size.VariableShort).initBitAccess();
            PacketBuilder updateBlock = new PacketBuilder().setSize(Packet.Size.Bare);

            if (player.getUpdateFlags().isTeleporting())
            { //teleport
                mainPacket.addBits(1, 1);
                mainPacket.addBits(2, 3);
                mainPacket.addBits(7, player.getLocation().getLocalY(player.getUpdateFlags().getLastRegion())); //currentX
                mainPacket.addBits(1, 1);
                mainPacket.addBits(2, player.getLocation().getZ()); //heightLevel
                mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                mainPacket.addBits(7, player.getLocation().getLocalX(player.getUpdateFlags().getLastRegion())); //currentY
            }
            else
            {
                if (player.getSprites().getPrimarySprite() == -1)
                { //no movement
                    mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    if (player.getUpdateFlags().isUpdateRequired())
                        mainPacket.addBits(2, 0);
                }
                else
                { //movement.
                    mainPacket.addBits(1, 1);
                    if (player.getSprites().getSecondarySprite() == -1)
                    { //not running
                        mainPacket.addBits(2, 1);
                        mainPacket.addBits(3, player.getSprites().getPrimarySprite()); //walk
                        mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                    else
                    {
                        mainPacket.addBits(2, 2);
                        mainPacket.addBits(1, 1);
                        mainPacket.addBits(3, player.getSprites().getPrimarySprite()); //walk
                        mainPacket.addBits(3, player.getSprites().getSecondarySprite()); //run
                        mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                }
            }
            if (player.getUpdateFlags().isUpdateRequired())
                appendUpdateBlock(player, updateBlock, false); //update my own updates.

            mainPacket.addBits(8, player.getLocalEnvironment().getSeenPlayers().Count); //All players I've seen already (not new players)

            //Send information of all the players in our own location.
            foreach (Player p in player.getLocalEnvironment().getSeenPlayers())
            {
                if (player.getLocalEnvironment().getRemovedPlayers().Contains(p))
                {
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 3); //delete player.
                    continue;
                }
                else if (p.getSprites().getPrimarySprite() == -1)
                {
                    if (p.getUpdateFlags().isUpdateRequired())
                    {
                        mainPacket.addBits(1, 1); //update required.
                        mainPacket.addBits(2, 0); //finish
                    }
                    else
                    {
                        mainPacket.addBits(1, 0); //no update required, either region changed or no movement change.
                    }
                }
                else if (p.getSprites().getPrimarySprite() != -1 && p.getSprites().getSecondarySprite() == -1)
                {
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 1); //update just walk direction sprite
                    mainPacket.addBits(3, p.getSprites().getPrimarySprite());
                    mainPacket.addBits(1, p.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                }
                else if (p.getSprites().getPrimarySprite() != -1 && p.getSprites().getSecondarySprite() != -1)
                { //Bit 2 = 2, updates both sprites.
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 2); //update both walk & run sprites.
                    mainPacket.addBits(1, 1);
                    mainPacket.addBits(3, p.getSprites().getPrimarySprite());
                    mainPacket.addBits(3, p.getSprites().getSecondarySprite());
                    mainPacket.addBits(1, p.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                }
                if (p.getUpdateFlags().isUpdateRequired())
                    appendUpdateBlock(p, updateBlock, false);
            }

            //Send information of all the new players in our own location.
            foreach (Player p in player.getLocalEnvironment().getNewPlayers())
            {
                mainPacket.addBits(11, p.getIndex()); //playerId of new player.

                int yPos = p.getLocation().getY() - player.getLocation().getY();
                int xPos = p.getLocation().getX() - player.getLocation().getX();

                mainPacket.addBits(1, 1);
                mainPacket.addBits(5, xPos < 0 ? xPos + 32 : xPos);
                mainPacket.addBits(3, p.getWalkingQueue().getLastDirection());
                mainPacket.addBits(1, 1);
                mainPacket.addBits(5, yPos < 0 ? yPos + 32 : yPos);
                appendUpdateBlock(p, updateBlock, true); //force appearance update.
            }

            /**
             * Done with with all our updates.. fine to refine our environment lists.
             * Remove players who either moved away from our location or plain old disconnected.
             * Mix new players with old players into one playerlist.
             * Clear new players list, for more new players again
             */
            player.getLocalEnvironment().organizePlayers();

            if (updateBlock.getLength() > 0)
                mainPacket.addBits(11, 2047); //2047 max players in server,area.
            mainPacket.finishBitAccess();
            if (updateBlock.getLength() > 0)
                mainPacket.addBytes(updateBlock.toPacket().getData());
            if (player.getConnection() != null)
                player.getConnection().SendPacket(mainPacket.toPacket());
        }
Esempio n. 2
0
        /**
         * Update the specified player.
         * @param p
         */

        public static void update(Player player)
        {
            //Creates a list of new players in area. [This only happens once.. no rebuilding like all runescape 2 servers.]
            player.getLocalEnvironment().updatePlayersInArea();

            //Attempt to skip a pointless update if possible.
            //Any current users on screen got a update for me.
            bool hasAppearanceUpdate = player.getLocalEnvironment().getSeenPlayers().Exists(new Predicate <Player>(delegate(Player p) { return(p.getUpdateFlags().hasAnyUpdate()); }));
            //No new pending players and no players pending to get removed from screen.
            bool hasAddRemoveUpdate = (player.getLocalEnvironment().getNewPlayers().Count > 0 || player.getLocalEnvironment().getRemovedPlayers().Count > 0);

            //no updates.. exit.

            if (!hasAppearanceUpdate && !hasAddRemoveUpdate && !player.getUpdateFlags().hasAnyUpdate() && !player.getUpdateFlags().didMapRegionChange() && player.getConnection().getPingCount() < 7)
            {
                return;
            }

            player.getConnection().resetPingCount();

            if (player.getUpdateFlags().didMapRegionChange())
            {
                player.getPackets().sendMapRegion();
            }

            PacketBuilder mainPacket  = new PacketBuilder().setId(225).setSize(Packet.Size.VariableShort).initBitAccess();
            PacketBuilder updateBlock = new PacketBuilder().setSize(Packet.Size.Bare);

            if (player.getUpdateFlags().isTeleporting())
            { //teleport
                mainPacket.addBits(1, 1);
                mainPacket.addBits(2, 3);
                mainPacket.addBits(7, player.getLocation().getLocalY(player.getUpdateFlags().getLastRegion())); //currentX
                mainPacket.addBits(1, 1);
                mainPacket.addBits(2, player.getLocation().getZ());                                             //heightLevel
                mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                mainPacket.addBits(7, player.getLocation().getLocalX(player.getUpdateFlags().getLastRegion())); //currentY
            }
            else
            {
                if (player.getSprites().getPrimarySprite() == -1)
                { //no movement
                    mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    if (player.getUpdateFlags().isUpdateRequired())
                    {
                        mainPacket.addBits(2, 0);
                    }
                }
                else
                { //movement.
                    mainPacket.addBits(1, 1);
                    if (player.getSprites().getSecondarySprite() == -1)
                    {                                                                  //not running
                        mainPacket.addBits(2, 1);
                        mainPacket.addBits(3, player.getSprites().getPrimarySprite()); //walk
                        mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                    else
                    {
                        mainPacket.addBits(2, 2);
                        mainPacket.addBits(1, 1);
                        mainPacket.addBits(3, player.getSprites().getPrimarySprite());   //walk
                        mainPacket.addBits(3, player.getSprites().getSecondarySprite()); //run
                        mainPacket.addBits(1, player.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                }
            }
            if (player.getUpdateFlags().isUpdateRequired())
            {
                appendUpdateBlock(player, updateBlock, false);                          //update my own updates.
            }
            mainPacket.addBits(8, player.getLocalEnvironment().getSeenPlayers().Count); //All players I've seen already (not new players)

            //Send information of all the players in our own location.
            foreach (Player p in player.getLocalEnvironment().getSeenPlayers())
            {
                if (player.getLocalEnvironment().getRemovedPlayers().Contains(p))
                {
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 3); //delete player.
                    continue;
                }
                else if (p.getSprites().getPrimarySprite() == -1)
                {
                    if (p.getUpdateFlags().isUpdateRequired())
                    {
                        mainPacket.addBits(1, 1); //update required.
                        mainPacket.addBits(2, 0); //finish
                    }
                    else
                    {
                        mainPacket.addBits(1, 0); //no update required, either region changed or no movement change.
                    }
                }
                else if (p.getSprites().getPrimarySprite() != -1 && p.getSprites().getSecondarySprite() == -1)
                {
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 1); //update just walk direction sprite
                    mainPacket.addBits(3, p.getSprites().getPrimarySprite());
                    mainPacket.addBits(1, p.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                }
                else if (p.getSprites().getPrimarySprite() != -1 && p.getSprites().getSecondarySprite() != -1)
                {                             //Bit 2 = 2, updates both sprites.
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 2); //update both walk & run sprites.
                    mainPacket.addBits(1, 1);
                    mainPacket.addBits(3, p.getSprites().getPrimarySprite());
                    mainPacket.addBits(3, p.getSprites().getSecondarySprite());
                    mainPacket.addBits(1, p.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                }
                if (p.getUpdateFlags().isUpdateRequired())
                {
                    appendUpdateBlock(p, updateBlock, false);
                }
            }

            //Send information of all the new players in our own location.
            foreach (Player p in player.getLocalEnvironment().getNewPlayers())
            {
                mainPacket.addBits(11, p.getIndex()); //playerId of new player.

                int yPos = p.getLocation().getY() - player.getLocation().getY();
                int xPos = p.getLocation().getX() - player.getLocation().getX();

                mainPacket.addBits(1, 1);
                mainPacket.addBits(5, xPos < 0 ? xPos + 32 : xPos);
                mainPacket.addBits(3, p.getWalkingQueue().getLastDirection());
                mainPacket.addBits(1, 1);
                mainPacket.addBits(5, yPos < 0 ? yPos + 32 : yPos);
                appendUpdateBlock(p, updateBlock, true); //force appearance update.
            }

            /**
             * Done with with all our updates.. fine to refine our environment lists.
             * Remove players who either moved away from our location or plain old disconnected.
             * Mix new players with old players into one playerlist.
             * Clear new players list, for more new players again
             */
            player.getLocalEnvironment().organizePlayers();

            if (updateBlock.getLength() > 0)
            {
                mainPacket.addBits(11, 2047); //2047 max players in server,area.
            }
            mainPacket.finishBitAccess();
            if (updateBlock.getLength() > 0)
            {
                mainPacket.addBytes(updateBlock.toPacket().getData());
            }
            if (player.getConnection() != null)
            {
                player.getConnection().SendPacket(mainPacket.toPacket());
            }
        }
Esempio n. 3
0
        /**
         * Update the specified player's Npcs.
         * @param p
         */

        public static void update(Player player)
        {
            //Creates a list of new players in area. [This only happens once.. no rebuilding like all runescape 2 servers.]
            player.getLocalEnvironment().updateNpcsInArea();
            //Attempt to skip a pointless update if possible.
            //Any current npcs on screen got a update for me, if no we just return this whole method.
            bool hasAppearanceUpdate = player.getLocalEnvironment().getSeenNpcs().Exists(new Predicate <Npc>(delegate(Npc n) { return(n.getUpdateFlags().isUpdateRequired()); }));
            //No new pending npcs and no npcs pending to get removed from screen.
            bool hasAddRemoveUpdate = (player.getLocalEnvironment().getNewNpcs().Count > 0 || player.getLocalEnvironment().getRemovedNpcs().Count > 0);

            //no updates.. exit.
            if (!hasAppearanceUpdate && !hasAddRemoveUpdate)
            {
                return;
            }

            PacketBuilder mainPacket  = new PacketBuilder().setId(32).setSize(Packet.Size.VariableShort).initBitAccess();
            PacketBuilder updateBlock = new PacketBuilder().setSize(Packet.Size.Bare);

            mainPacket.addBits(8, player.getLocalEnvironment().getSeenNpcs().Count);

            //Send information of all the npcs in our own location.
            foreach (Npc n in player.getLocalEnvironment().getSeenNpcs())
            {
                if (player.getLocalEnvironment().getRemovedNpcs().Contains(n))
                {
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 3); //delete npc.
                    continue;
                }
                else
                {
                    if (n.getSprites().getPrimarySprite() == -1)
                    {
                        if (n.getUpdateFlags().isUpdateRequired())
                        {
                            mainPacket.addBits(1, 1);
                            mainPacket.addBits(2, 0);
                        }
                        else
                        {
                            mainPacket.addBits(1, 0);
                        }
                    }
                    else if (n.getSprites().getSecondarySprite() == -1)
                    {
                        mainPacket.addBits(1, 1);
                        mainPacket.addBits(2, 1);
                        mainPacket.addBits(3, XLATE_DIRECTION_TO_CLIENT[n.getSprites().getPrimarySprite()]);
                        mainPacket.addBits(1, n.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                    else
                    {
                        mainPacket.addBits(1, 1);
                        mainPacket.addBits(2, 2);
                        mainPacket.addBits(3, n.getSprites().getPrimarySprite());
                        mainPacket.addBits(3, n.getSprites().getSecondarySprite());
                        mainPacket.addBits(1, n.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                    if (n.getUpdateFlags().isUpdateRequired())
                    {
                        appendUpdateBlock(n, updateBlock);
                    }
                }
            }

            //Send information of all the new npcs in our own location.
            foreach (Npc n in player.getLocalEnvironment().getNewNpcs())
            {
                int y = n.getLocation().getY() - player.getLocation().getY();
                if (y < 0)
                {
                    y += 32;
                }
                int x = n.getLocation().getX() - player.getLocation().getX();
                if (x < 0)
                {
                    x += 32;
                }
                mainPacket.addBits(15, n.getIndex());
                mainPacket.addBits(1, 1);
                mainPacket.addBits(3, n.getFaceDirection());
                mainPacket.addBits(1, n.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                mainPacket.addBits(5, y < 0 ? y + 32 : y);
                mainPacket.addBits(14, n.getId());
                mainPacket.addBits(5, x < 0 ? x + 32 : x);

                if (n.getUpdateFlags().isUpdateRequired())
                {
                    appendUpdateBlock(n, updateBlock);
                }
            }

            /**
             * Done with with all our updates.. fine to refine our environment lists.
             * Remove npcs who either moved away from our location or hidden / dead etc..
             * Mix new npcs with old npcs into one npclist.
             * Clear new npc list, for more new npcs again
             */
            player.getLocalEnvironment().organizeNpcs();

            if (updateBlock.getLength() >= 3)
            {
                mainPacket.addBits(15, 32767);
            }
            mainPacket.finishBitAccess();
            mainPacket.addBytes(updateBlock.toPacket().getData());
            player.getConnection().SendPacket(mainPacket.toPacket());
        }
Esempio n. 4
0
 public void sendFightCaveMapdata()
 {
     lastX = lastX == 0 ? 2413 : (player.getLocation().getX() - (20000 + (200 * player.getIndex())));
     lastY = lastY == 0 ? 5116 : (player.getLocation().getY() - 20000);
     PacketBuilder pb = new PacketBuilder().setId(214).setSize(Packet.Size.VariableShort);
     pb.addUShortA(player.getLocation().getLocalX());
     pb.addUShortA(player.getLocation().getRegionX());
     pb.addByteS(player.getLocation().getZ());
     pb.addUShortA(player.getLocation().getLocalY());
     pb.initBitAccess();
     for (int height = 0; height < 4; height++)
     {
         for (int xCalc = ((lastX >> 3) - 6); xCalc <= ((lastX >> 3) + 6); xCalc++)
         {
             for (int yCalc = ((lastY >> 3) - 6); yCalc <= ((lastY >> 3) + 6); yCalc++)
             {
                 int region = yCalc / 8 + (xCalc / 8 << 8);
                 if (height == player.getLocation().getZ() && region == 9551)
                 {
                     pb.addBits(1, 1);
                     pb.addBits(26, (xCalc << 14) | (yCalc << 3) | (0 << 1) | (0 << 24));
                 }
                 else
                 {
                     pb.addBits(1, 0);
                 }
             }
         }
     }
     pb.finishBitAccess();
     int[] sent = new int[4 * 13 * 13];
     int sentIndex = 0;
     for (int xCalc = (((lastX >> 3) - 6) / 8); xCalc <= (((lastX >> 3) + 6) / 8); xCalc++)
     {
     outer:
         for (int yCalc = (((lastY >> 3) - 6) / 8); yCalc <= (((lastY >> 3) + 6) / 8); yCalc++)
         {
             int region = yCalc + (xCalc << 8);
             if (region != 9551)
             {
                 continue;
             }
             for (int i = 0; i < sentIndex; i++)
             {
                 if (sent[i] == region)
                 {
                     goto outer;
                 }
             }
             sent[sentIndex] = region;
             sentIndex++;
             int[] mapData = MapData.getData(region);
             if (mapData == null)
             {
                 pb.addInt2(0);
                 pb.addInt2(0);
                 pb.addInt2(0);
                 pb.addInt2(0);
             }
             else
             {
                 pb.addInt2(mapData[0]);
                 pb.addInt2(mapData[1]);
                 pb.addInt2(mapData[2]);
                 pb.addInt2(mapData[3]);
             }
         }
     }
     pb.addUShort(player.getLocation().getRegionY());
     connection.SendPacket(pb.toPacket());
 }
Esempio n. 5
0
        public void sendFightCaveMapdata()
        {
            lastX = lastX == 0 ? 2413 : (player.getLocation().getX() - (20000 + (200 * player.getIndex())));
            lastY = lastY == 0 ? 5116 : (player.getLocation().getY() - 20000);
            PacketBuilder pb = new PacketBuilder().setId(214).setSize(Packet.Size.VariableShort);

            pb.addUShortA(player.getLocation().getLocalX());
            pb.addUShortA(player.getLocation().getRegionX());
            pb.addByteS(player.getLocation().getZ());
            pb.addUShortA(player.getLocation().getLocalY());
            pb.initBitAccess();
            for (int height = 0; height < 4; height++)
            {
                for (int xCalc = ((lastX >> 3) - 6); xCalc <= ((lastX >> 3) + 6); xCalc++)
                {
                    for (int yCalc = ((lastY >> 3) - 6); yCalc <= ((lastY >> 3) + 6); yCalc++)
                    {
                        int region = yCalc / 8 + (xCalc / 8 << 8);
                        if (height == player.getLocation().getZ() && region == 9551)
                        {
                            pb.addBits(1, 1);
                            pb.addBits(26, (xCalc << 14) | (yCalc << 3) | (0 << 1) | (0 << 24));
                        }
                        else
                        {
                            pb.addBits(1, 0);
                        }
                    }
                }
            }
            pb.finishBitAccess();
            int[] sent      = new int[4 * 13 * 13];
            int   sentIndex = 0;

            for (int xCalc = (((lastX >> 3) - 6) / 8); xCalc <= (((lastX >> 3) + 6) / 8); xCalc++)
            {
outer:
                for (int yCalc = (((lastY >> 3) - 6) / 8); yCalc <= (((lastY >> 3) + 6) / 8); yCalc++)
                {
                    int region = yCalc + (xCalc << 8);
                    if (region != 9551)
                    {
                        continue;
                    }
                    for (int i = 0; i < sentIndex; i++)
                    {
                        if (sent[i] == region)
                        {
                            goto outer;
                        }
                    }
                    sent[sentIndex] = region;
                    sentIndex++;
                    int[] mapData = MapData.getData(region);
                    if (mapData == null)
                    {
                        pb.addInt2(0);
                        pb.addInt2(0);
                        pb.addInt2(0);
                        pb.addInt2(0);
                    }
                    else
                    {
                        pb.addInt2(mapData[0]);
                        pb.addInt2(mapData[1]);
                        pb.addInt2(mapData[2]);
                        pb.addInt2(mapData[3]);
                    }
                }
            }
            pb.addUShort(player.getLocation().getRegionY());
            connection.SendPacket(pb.toPacket());
        }
Esempio n. 6
0
        /**
         * Update the specified player's Npcs.
         * @param p
         */
        public static void update(Player player)
        {
            //Creates a list of new players in area. [This only happens once.. no rebuilding like all runescape 2 servers.]
            player.getLocalEnvironment().updateNpcsInArea();
            //Attempt to skip a pointless update if possible.
            //Any current npcs on screen got a update for me, if no we just return this whole method.
            bool hasAppearanceUpdate = player.getLocalEnvironment().getSeenNpcs().Exists(new Predicate<Npc>(delegate(Npc n) { return n.getUpdateFlags().isUpdateRequired(); }));
            //No new pending npcs and no npcs pending to get removed from screen.
            bool hasAddRemoveUpdate = (player.getLocalEnvironment().getNewNpcs().Count > 0 || player.getLocalEnvironment().getRemovedNpcs().Count > 0);
            //no updates.. exit.
            if (!hasAppearanceUpdate && !hasAddRemoveUpdate) return;

            PacketBuilder mainPacket = new PacketBuilder().setId(32).setSize(Packet.Size.VariableShort).initBitAccess();
            PacketBuilder updateBlock = new PacketBuilder().setSize(Packet.Size.Bare);
            mainPacket.addBits(8, player.getLocalEnvironment().getSeenNpcs().Count);

            //Send information of all the npcs in our own location.
            foreach (Npc n in player.getLocalEnvironment().getSeenNpcs())
            {
                if (player.getLocalEnvironment().getRemovedNpcs().Contains(n))
                {
                    mainPacket.addBits(1, 1); //update required.
                    mainPacket.addBits(2, 3); //delete npc.
                    continue;
                }
                else
                {
                    if (n.getSprites().getPrimarySprite() == -1)
                    {
                        if (n.getUpdateFlags().isUpdateRequired())
                        {
                            mainPacket.addBits(1, 1);
                            mainPacket.addBits(2, 0);
                        }
                        else
                        {
                            mainPacket.addBits(1, 0);
                        }
                    }
                    else if (n.getSprites().getSecondarySprite() == -1)
                    {
                        mainPacket.addBits(1, 1);
                        mainPacket.addBits(2, 1);
                        mainPacket.addBits(3, XLATE_DIRECTION_TO_CLIENT[n.getSprites().getPrimarySprite()]);
                        mainPacket.addBits(1, n.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                    else
                    {
                        mainPacket.addBits(1, 1);
                        mainPacket.addBits(2, 2);
                        mainPacket.addBits(3, n.getSprites().getPrimarySprite());
                        mainPacket.addBits(3, n.getSprites().getSecondarySprite());
                        mainPacket.addBits(1, n.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                    }
                    if (n.getUpdateFlags().isUpdateRequired())
                        appendUpdateBlock(n, updateBlock);
                }
            }

            //Send information of all the new npcs in our own location.
            foreach (Npc n in player.getLocalEnvironment().getNewNpcs())
            {
                int y = n.getLocation().getY() - player.getLocation().getY();
                if (y < 0)
                {
                    y += 32;
                }
                int x = n.getLocation().getX() - player.getLocation().getX();
                if (x < 0)
                {
                    x += 32;
                }
                mainPacket.addBits(15, n.getIndex());
                mainPacket.addBits(1, 1);
                mainPacket.addBits(3, n.getFaceDirection());
                mainPacket.addBits(1, n.getUpdateFlags().isUpdateRequired() ? 1 : 0);
                mainPacket.addBits(5, y < 0 ? y + 32 : y);
                mainPacket.addBits(14, n.getId());
                mainPacket.addBits(5, x < 0 ? x + 32 : x);

                if (n.getUpdateFlags().isUpdateRequired())
                    appendUpdateBlock(n, updateBlock);
            }

            /**
             * Done with with all our updates.. fine to refine our environment lists.
             * Remove npcs who either moved away from our location or hidden / dead etc..
             * Mix new npcs with old npcs into one npclist.
             * Clear new npc list, for more new npcs again
             */
            player.getLocalEnvironment().organizeNpcs();

            if (updateBlock.getLength() >= 3)
            {
                mainPacket.addBits(15, 32767);
            }
            mainPacket.finishBitAccess();
            mainPacket.addBytes(updateBlock.toPacket().getData());
            player.getConnection().SendPacket(mainPacket.toPacket());
        }