コード例 #1
0
ファイル: PlayerUpdate.cs プロジェクト: Krill156/SharpEMU
        /**
         * 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 World 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());
        }