/******************************************************************************* * Copyright (c) 2015 * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. *******************************************************************************/ package jsettlers.network.server.match; import java.util.Date; import java.util.LinkedList; import java.util.Timer; import java.util.UUID; import jsettlers.network.NetworkConstants; import jsettlers.network.NetworkConstants.ENetworkKey; import jsettlers.network.NetworkConstants.ENetworkMessage; import jsettlers.network.common.packets.MapInfoPacket; import jsettlers.network.common.packets.MatchInfoPacket; import jsettlers.network.common.packets.MatchInfoUpdatePacket; import jsettlers.network.common.packets.MatchStartPacket; import jsettlers.network.common.packets.PlayerInfoPacket; import jsettlers.network.common.packets.TimeSyncPacket; import jsettlers.network.infrastructure.channel.packet.Packet; import jsettlers.network.infrastructure.log.Logger; import jsettlers.network.infrastructure.log.LoggerManager; import jsettlers.network.server.exceptions.NotAllPlayersReadyException; import jsettlers.network.server.match.lockstep.TaskCollectingListener; import jsettlers.network.server.match.lockstep.TaskSendingTimerTask; /** * * @author Andreas Eberle * */ public class Match { private final Logger logger; private final Date date; private final String id; private final LinkedList<Player> players; private final LinkedList<Player> leftPlayers; private final int maxPlayers; private final MapInfoPacket map; private final String name; private final long randomSeed; private EMatchState state = EMatchState.OPENED; private TaskCollectingListener taskCollectingListener; private TaskSendingTimerTask taskSendingTimerTask; public Match(String name, int maxPlayers, MapInfoPacket map, long randomSeed) { this.maxPlayers = maxPlayers; this.map = map; this.name = name; this.randomSeed = randomSeed; this.id = UUID.randomUUID().toString(); this.players = new LinkedList<Player>(); this.leftPlayers = new LinkedList<Player>(); this.logger = LoggerManager.getMatchLogger(id, name); this.date = new Date(); } public EMatchState getState() { return state; } public boolean canJoin() { return state == EMatchState.OPENED && players.size() < maxPlayers; } public String getId() { return id; } public MapInfoPacket getMap() { return map; } public String getName() { return name; } public PlayerInfoPacket[] getPlayerInfos() { synchronized (players) { PlayerInfoPacket[] result = new PlayerInfoPacket[players.size()]; int i = 0; for (Player curr : players) { result[i] = curr.getPlayerInfo(); i++; } return result; } } public int getMaxPlayers() { return maxPlayers; } public long getRandomSeed() { return randomSeed; } public boolean isRunning() { return state == EMatchState.RUNNING; } public boolean hasPlayer(Player player) { return getPlayer(player.getId()) != null; } public boolean hasLeftPlayer(String playerId) { synchronized (leftPlayers) { for (Player curr : leftPlayers) { if (curr.getId().equals(playerId)) { return true; } } return false; } } public Player getPlayer(String playerId) { synchronized (players) { for (Player curr : players) { if (curr.getId().equals(playerId)) { return curr; } } return null; } } public void sendMatchInfoUpdate(ENetworkMessage updateReason, PlayerInfoPacket updatedPlayer) { broadcastMessage(NetworkConstants.ENetworkKey.MATCH_INFO_UPDATE, generateMatchInfoUpdate(updateReason, updatedPlayer)); } private MatchInfoUpdatePacket generateMatchInfoUpdate(ENetworkMessage updateReason, PlayerInfoPacket updatedPlayer) { return new MatchInfoUpdatePacket(updateReason, updatedPlayer, new MatchInfoPacket(this)); } public void broadcastMessage(ENetworkKey key, Packet packet) { sendMessage(null, key, packet); } /** * * @param sendingPlayer * The sending player will not receive the message. If the message shall be send to all players in the match, <code>null</code> can be * used as value for this. * @param key * @param packet */ public void sendMessage(Player sendingPlayer, ENetworkKey key, Packet packet) { synchronized (players) { for (Player curr : players) { if (sendingPlayer == null || !curr.getId().equals(sendingPlayer.getId())) { curr.sendPacket(key, packet); } } } } public void join(Player player) { synchronized (players) { players.add(player); sendMatchInfoUpdate(NetworkConstants.ENetworkMessage.PLAYER_JOINED, player.getPlayerInfo()); if (state == EMatchState.RUNNING) { sendMatchStartPacketToPlayer(player); } } } public void playerLeft(Player player) { synchronized (players) { players.remove(player); sendMatchInfoUpdate(NetworkConstants.ENetworkMessage.PLAYER_LEFT, player.getPlayerInfo()); player.sendPacket(NetworkConstants.ENetworkKey.MATCH_INFO_UPDATE, generateMatchInfoUpdate(NetworkConstants.ENetworkMessage.PLAYER_LEFT, player.getPlayerInfo())); if (isRunning()) { synchronized (leftPlayers) { leftPlayers.add(player); } } if (players.isEmpty()) { shutdownMatch(); } } } public synchronized void startMatch(Timer timer) throws NotAllPlayersReadyException { if (state == EMatchState.RUNNING || state == EMatchState.FINISHED) { return; // match already started } synchronized (players) { for (Player player : players) { if (!player.getPlayerInfo().isReady()) { throw new NotAllPlayersReadyException(); } } } state = EMatchState.RUNNING; this.taskCollectingListener = new TaskCollectingListener(); this.taskSendingTimerTask = new TaskSendingTimerTask(logger, taskCollectingListener, this); timer.schedule(taskSendingTimerTask, NetworkConstants.Client.LOCKSTEP_PERIOD, NetworkConstants.Client.LOCKSTEP_PERIOD / 2 - 2); synchronized (players) { int i = 0; for (Player player : players) { sendMatchStartPacketToPlayer(player); // needed so that the sending task can adapt to the ping player.getChannel().setPingUpdateListener(taskSendingTimerTask.getPingListener(i)); i++; } } } private void sendMatchStartPacketToPlayer(Player player) { player.matchStarted(taskCollectingListener); player.sendPacket(NetworkConstants.ENetworkKey.MATCH_STARTED, new MatchStartPacket(new MatchInfoPacket(this), 0L)); } public void distributeTimeSync(Player player, TimeSyncPacket packet) { sendMessage(player, NetworkConstants.ENetworkKey.TIME_SYNC, packet); taskSendingTimerTask.receivedLockstepAcknowledge(packet.getTime() / NetworkConstants.Client.LOCKSTEP_PERIOD); } public Logger getMatchLogger() { return logger; } private void shutdownMatch() { if (state == EMatchState.RUNNING) { taskSendingTimerTask.cancel(); taskSendingTimerTask = null; synchronized (players) { if (players.size() > 0) { logger.warn("Closing match with active players..."); for (Player player : players) { player.getChannel().close(); } } } taskCollectingListener = null; } state = EMatchState.FINISHED; } @Override public String toString() { return state + ": name: '" + name + "' opened: '" + date + "' numberOfPlayers: " + players.size() + " map: '" + map.getName() + "' ('" + map.getId() + "')"; } }