Josh Allen
737 lines
19 KiB
C++
737 lines
19 KiB
C++
/* NetworkSyncServer.cpp
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*/
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#include "NetworkSyncServer.h"
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#include "RageLog.h"
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LanPlayer::LanPlayer() {
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score = 0;
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health = 0;
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feet = 0;
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projgrade = 0;
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combo = 0;
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currstep = 0;
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maxCombo = 0;
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Grade = 0;
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offset = 0;
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options = "";
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}
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StepManiaLanServer::StepManiaLanServer() {
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stop = true;
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SecondSameSelect = false;
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AssignPlayerIDs();
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}
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StepManiaLanServer::~StepManiaLanServer() {
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ServerStop();
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}
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bool StepManiaLanServer::ServerStart() {
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server.blocking = 0; /* Turn off blocking */
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if (server.create())
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if (server.bind(8765))
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if (server.listen()) {
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stop = false;
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statsTime = time(NULL);
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return true;
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}
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else
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lastError = "Failed to make socket listen.";
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else
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lastError = "Failed to bind socket";
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else
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lastError = "Failed to create socket";
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lastErrorCode = server.lastCode;
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//Hopefully we will not get here. If we did, something went wrong above.
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return false;
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}
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void StepManiaLanServer::ServerStop() {
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int x;
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for (x = 0; x < NUMBERCLIENTS; x++) {
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Client[x].clientSocket.close();
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Client[x].Used = false;
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}
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server.close();
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stop = true;
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}
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void StepManiaLanServer::ServerUpdate() {
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if (!stop) {
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NewClientCheck(); /* See if there is another client wanting to play */
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UpdateClients();
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// CheckReady();
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if (time(NULL) > statsTime) {
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SendStatsToClients();
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statsTime = time(NULL);
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}
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// MoveClientToHost();
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}
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}
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void StepManiaLanServer::UpdateClients() {
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/* Go through all the clients and check to see if it is being used.
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If so then try to get a backet and parse the data. */
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for (int x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == 1)
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if (Client[x].GetData(Packet) >= 0)
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ParseData(Packet, x);
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}
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GameClient::GameClient() {
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Used = 0;
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GotStartRequest = 0;
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clientSocket.blocking = 0;
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twoPlayers = false;
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version = 0;
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startPosition = 0;
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InGame = 0;
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hasSong = false;
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inNetMusicSelect = false;
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isStarting = false; //Used for after ScreenNetMusicSelect but before InGame
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wasIngame = false;
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}
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int GameClient::GetData(PacketFunctions &Packet) {
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int length = -1;
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CheckConnection();
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Packet.ClearPacket();
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length = clientSocket.ReadPack((char*)Packet.Data, NETMAXBUFFERSIZE);
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return length;
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}
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void StepManiaLanServer::ParseData(PacketFunctions &Packet, int clientNum) {
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int command = Packet.Read1();
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switch (command) {
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case 0:
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// No Operation
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SendValue(129, clientNum);
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break;
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case 1:
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// No Operation response
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break;
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case 2:
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// Hello
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Hello(Packet, clientNum);
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break;
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case 3:
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// Start Request
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Client[clientNum].StartRequest(Packet);
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CheckReady();
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break;
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case 4:
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// GameOver
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GameOver(Packet, clientNum);
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break;
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case 5:
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// StatsUpdate
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Client[clientNum].UpdateStats(Packet);
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break;
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case 6:
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// Style Update
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Client[clientNum].StyleUpdate(Packet);
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SendUserList();
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break;
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case 7:
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// Chat message
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RelayChat(Packet, clientNum);
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break;
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case 8:
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SelectSong(Packet, clientNum);
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break;
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case 10:
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ScreenNetMusicSelectStatus(Packet, clientNum);
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break;
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case 11:
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Client[clientNum].Player[0].options = Packet.ReadNT();
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Client[clientNum].Player[1].options = Packet.ReadNT();
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break;
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default:
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break;
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}
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}
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void StepManiaLanServer::Hello(PacketFunctions &Packet, int clientNum) {
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int ClientVersion = Packet.Read1();
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CString build = Packet.ReadNT();
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Client[clientNum].SetClientVersion(ClientVersion, build);
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Reply.ClearPacket();
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Reply.Write1(130);
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Reply.Write1(1);
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Reply.WriteNT(servername);
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SendNetPacket(clientNum, Reply);
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if (ClientHost == -1)
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ClientHost = clientNum;
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}
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void GameClient::StyleUpdate(PacketFunctions &Packet) {
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int playernumber = 0;
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Player[0].name = Player[1].name = "";
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twoPlayers = Packet.Read1()-1;
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for (int x = 0; x < twoPlayers+1; x++) {
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playernumber = Packet.Read1();
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Player[playernumber].name = Packet.ReadNT();
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}
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}
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void GameClient::SetClientVersion(int ver, CString b) {
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version = ver;
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build = b;
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}
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void GameClient::StartRequest(PacketFunctions &Packet) {
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int firstbyte = Packet.Read1();
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int secondbyte = Packet.Read1();
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int thirdbyte = Packet.Read1();
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Player[0].feet = firstbyte/16;
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Player[1].feet = firstbyte%16;
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if ((Player[0].feet > 0)&&(Player[1].feet > 0))
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twoPlayers = true;
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Player[0].diff = secondbyte/16;
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Player[1].diff = secondbyte%16;
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startPosition = thirdbyte/16;
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gameInfo.title = Packet.ReadNT();
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gameInfo.subtitle = Packet.ReadNT();
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gameInfo.artist = Packet.ReadNT();
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gameInfo.course = Packet.ReadNT();
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for (int x = 0; x < 2; x++) {
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Player[x].score = 0;
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Player[x].combo = 0;
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Player[x].projgrade = 0;
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Player[x].maxCombo = 0;
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memset((void*)Player[x].steps, 0, sizeof(int)*9);
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}
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GotStartRequest = true;
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// InGame = true;
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}
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void StepManiaLanServer::CheckReady() {
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bool canStart = true;
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int x;
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//Only check clients that are starting (after ScreenNetMusicSelect before InGame).
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for (x = 0; (x < NUMBERCLIENTS)&&(canStart == true); x++)
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if (Client[x].Used == true)
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if (Client[x].isStarting)
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if (Client[x].GotStartRequest == false)
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canStart = false;
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if (canStart == true) {
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//(Test this)
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//For whatever reason we need to pause in a way
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//that will not use a lot of CPU.
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//When you try playing the music as soon as it's loaded
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//it will not always play ... immediately
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usleep ( 2000000 );
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//Only start clients waiting for start between ScreenNetMusicSelect and game.
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for (x = 0; x < NUMBERCLIENTS; x++) {
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if (Client[x].Used == true)
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if (Client[x].isStarting) {
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Client[x].clientSocket.blocking = true;
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SendValue(131, x);
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Client[x].GotStartRequest = false;
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if (Client[x].startPosition == 1) {
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Client[x].isStarting = false;
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Client[x].InGame = true;
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//After we start the clients, clear each client's hasSong.
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Client[x].hasSong = false;
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}
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Client[x].clientSocket.blocking = false;
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}
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}
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}
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}
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void StepManiaLanServer::GameOver(PacketFunctions &Packet, int clientNum) {
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bool allOver = true;
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int x;
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Client[clientNum].GotStartRequest = false;
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Client[clientNum].InGame = false;
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Client[clientNum].wasIngame = true;
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for (x = 0; (x < NUMBERCLIENTS)&&(allOver == true); x++)
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if (Client[x].Used == true)
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if ((Client[x].InGame == true))
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allOver = false;
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//Wait untill everyone is done before sending
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if (allOver) {
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numPlayers = SortStats(playersPtr);
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Reply.ClearPacket();
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Reply.Write1( 4+128 );
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Reply.Write1( (uint8_t) numPlayers );
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for (x = 0; x < numPlayers; x++)
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Reply.Write1((uint8_t)playersPtr[x]->PlayerID);
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for (x = 0; x < numPlayers; x++)
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Reply.Write4(playersPtr[x]->score);
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for (x = 0; x < numPlayers; x++)
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Reply.Write1( (uint8_t) playersPtr[x]->projgrade );
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for (x = 0; x < numPlayers; x++)
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Reply.Write1( (uint8_t) playersPtr[x]->diff );
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for (int y = 6; y >= 1; y--)
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for (x = 0; x < numPlayers; x++)
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Reply.Write2( (uint16_t) playersPtr[x]->steps[y] );
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for (x = 0; x < numPlayers; x++)
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Reply.Write2( (uint16_t) playersPtr[x]->steps[8] ); //Tack on OK
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for (x = 0; x < numPlayers; x++)
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Reply.Write2( (uint16_t) playersPtr[x]->maxCombo );
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for (x = 0; x < numPlayers; x++)
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Reply.WriteNT( playersPtr[x]->options );
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for (x = 0; x < NUMBERCLIENTS; x++)
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if(Client[x].wasIngame) {
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SendNetPacket(x, Reply);
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Client[x].wasIngame = false;
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}
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// SendToAllClients(Reply);
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}
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}
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void StepManiaLanServer::AssignPlayerIDs() {
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int counter = 0;
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//Future: Figure out how to do dynamic numbering.
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for (int x = 0; x < NUMBERCLIENTS; x++)
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for(int y = 0; y < 2; y++)
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Client[x].Player[y].PlayerID = counter++;
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}
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int StepManiaLanServer::SortStats(LanPlayer *playersPtr[]) {
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int counter = 0;
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LanPlayer *tmp;
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StatsNameChange = false; //Set it to no name so stats will not send if there is not a change
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bool allZero = true;
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//Populate with in game players only
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for (int x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == true)
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if (Client[x].InGame||Client[x].wasIngame)
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for (int y = 0; y < 2; y++)
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if (Client[x].IsPlaying(y))
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playersPtr[counter++] = &Client[x].Player[y];
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for (int x = 0; x < counter; x++) {
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//See if all the players have zero. Used to send names if everyone is 0
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if ((playersPtr[x]->score > 0)&&(allZero == true))
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allZero = false;
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if ((x+1) < counter)
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if ((playersPtr[x]->score) < (playersPtr[x+1]->score)) {
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tmp = playersPtr[x];
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playersPtr[x] = playersPtr[x+1];
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playersPtr[x+1] = tmp;
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x = 0;
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StatsNameChange = true;
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}
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}
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//If there are players all at 0, the name lsit won't be updated
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//this make sure it is sent to the server eventually
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if ((StatsNameChange == false)&&(allZero == true))
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StatsNameChange = true;
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return counter;
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}
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void StepManiaLanServer::SendStatsToClients() {
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int x;
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numPlayers = SortStats(playersPtr); //Return number of players
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//If there was a chagne in the name data, send it to the clients.
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//Used to save bandwidth and some processing time.
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// if (StatsNameChange) {
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/* Write and Send name packet */
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Reply.ClearPacket();
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Reply.Write1(133);
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Reply.Write1(0);
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Reply.Write1( (uint8_t) numPlayers );
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StatsNameColumn(Reply, playersPtr, numPlayers);
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//Send to in game clients only.
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for (x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].InGame == true)
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SendNetPacket(x, Reply);
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// }
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/* Write and send Combo packet */
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Reply.ClearPacket();
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Reply.Write1(133);
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Reply.Write1(1);
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Reply.Write1( (uint8_t) numPlayers );
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StatsComboColumn(Reply, playersPtr, numPlayers);
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//Send to in game clients only.
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for (x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].InGame == true)
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SendNetPacket(x, Reply);
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/* Write and send projgrade packet*/
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//Is it worth the programing troube to save a small amount of bandwidth here?
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//Probably not. Sends all everytime unless developer feelings change.
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Reply.ClearPacket();
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Reply.Write1(133);
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Reply.Write1(2);
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Reply.Write1( (uint8_t) numPlayers );
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StatsProjgradeColumn(Reply, playersPtr, numPlayers);
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//Send to in game clients only.
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for (x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].InGame == true)
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SendNetPacket(x, Reply);
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}
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void StepManiaLanServer::SendNetPacket(int client, PacketFunctions &Packet) {
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/* If there is a connected client where we want to send then do so */
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if (Client[client].Used == true)
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Client[client].clientSocket.SendPack((char*)Packet.Data, Packet.Position);
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}
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void StepManiaLanServer::StatsNameColumn(PacketFunctions &data, LanPlayer *playersPtr[], int numPlayers) {
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CString numname;
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for (int x = 0; x < numPlayers; x++)
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data.Write1( (uint8_t) playersPtr[x]->PlayerID );
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}
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void StepManiaLanServer::StatsComboColumn(PacketFunctions &data, LanPlayer *playersPtr[], int numPlayers) {
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for( int x = 0; x < numPlayers; x++ )
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data.Write2( (uint16_t) playersPtr[x]->combo);
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}
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void StepManiaLanServer::StatsProjgradeColumn(PacketFunctions &data, LanPlayer *playersPtr[], int numPlayers) {
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for( int x = 0; x < numPlayers; x++ )
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data.Write1( (uint8_t) playersPtr[x]->projgrade );
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}
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bool GameClient::IsPlaying(int x) {
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/* If the feet setting is above 0, there must be a player. */
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if (Player[x].feet > 0)
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return true;
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return false;
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}
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void GameClient::UpdateStats(PacketFunctions &Packet) {
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/* Get the Stats form a packet */
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char firstbyte = Packet.Read1();
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char secondbyte = Packet.Read1();
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int pID = int(firstbyte/16); /* MSN */
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Player[pID].currstep = int(firstbyte%16); /* LSN */
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Player[pID].projgrade = int(secondbyte/16);
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Player[pID].score = Packet.Read4();
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Player[pID].combo = Packet.Read2();
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if (Player[pID].combo > Player[pID].maxCombo)
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Player[pID].maxCombo = Player[pID].combo;
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Player[pID].health = Packet.Read2();
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Player[pID].offset = Packet.Read2();
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Player[pID].steps[Player[pID].currstep]++;
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}
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void StepManiaLanServer::NewClientCheck() {
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/* Find the first available empty client. Then stick a new connection
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in that client socket.*/
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int CurrentEmptyClient = FindEmptyClient();
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if (CurrentEmptyClient > -1)
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if (server.accept(Client[CurrentEmptyClient].clientSocket) == 1)
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Client[CurrentEmptyClient].Used = 1;
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}
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void StepManiaLanServer::SendValue(Uint8 value, int clientNum) {
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Client[clientNum].clientSocket.SendPack((char*)&value, sizeof(Uint8));
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}
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void StepManiaLanServer::RelayChat(PacketFunctions &Packet, int clientNum) {
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Reply.ClearPacket();
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CString message = "";
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message += Client[clientNum].Player[0].name;
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if (Client[clientNum].twoPlayers)
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message += "&";
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message += Client[clientNum].Player[1].name;
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message += ": ";
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message += Packet.ReadNT();
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Reply.Write1(135);
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Reply.WriteNT(message);
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//Send to all clients
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SendToAllClients(Reply);
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}
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void StepManiaLanServer::SelectSong(PacketFunctions &Packet, int clientNum) {
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int use = Packet.Read1();
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CString message;
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if (use == 2) {
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if (clientNum == 0) {
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SecondSameSelect = false;
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CurrentSongInfo.title = Packet.ReadNT();
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CurrentSongInfo.artist = Packet.ReadNT();
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CurrentSongInfo.subtitle = Packet.ReadNT();
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Reply.ClearPacket();
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Reply.Write1(136);
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Reply.Write1(1);
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Reply.WriteNT(CurrentSongInfo.title);
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Reply.WriteNT(CurrentSongInfo.artist);
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Reply.WriteNT(CurrentSongInfo.subtitle);
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//Only send data to clients currently in ScreenNetMusicSelect
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for (int x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].inNetMusicSelect)
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SendNetPacket(x, Reply);
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// SendToAllClients(Reply);
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//The following code forces the host to select the same song twice in order to play it.
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if (strcmp(CurrentSongInfo.title, LastSongInfo.title) == 0)
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if (strcmp(CurrentSongInfo.artist, LastSongInfo.artist) == 0)
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if (strcmp(CurrentSongInfo.artist, LastSongInfo.artist) == 0)
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SecondSameSelect = true;
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if (SecondSameSelect == false) {
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LastSongInfo.title = CurrentSongInfo.title;
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LastSongInfo.artist = CurrentSongInfo.artist;
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LastSongInfo.subtitle = CurrentSongInfo.subtitle;
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message = servername;
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message += ":Play \"";
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message += CurrentSongInfo.title;
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message += "\"?";
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ServerChat(message);
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}
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} else {
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message = servername;
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message += ": You do not have permission to pick a song.";
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Reply.ClearPacket();
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Reply.Write1(135);
|
|
Reply.WriteNT(message);
|
|
SendNetPacket(clientNum, Reply);
|
|
}
|
|
}
|
|
|
|
if (use == 1) {
|
|
//If user dosn't have song
|
|
Client[clientNum].hasSong = false;
|
|
message = servername;
|
|
message += ": ";
|
|
message += Client[clientNum].Player[0].name;
|
|
|
|
if (Client[clientNum].twoPlayers) {
|
|
message += "&";
|
|
message += Client[clientNum].Player[1].name;
|
|
}
|
|
|
|
message += " lacks song \"";
|
|
message += CurrentSongInfo.title;
|
|
message += "\"";
|
|
ServerChat(message);
|
|
}
|
|
|
|
//If client has song
|
|
if (use == 0)
|
|
Client[clientNum].hasSong = true;
|
|
|
|
//Only play if everyone has the same song and the host has select the same song twice.
|
|
if ( CheckHasSongState() && SecondSameSelect && (clientNum == 0) ) {
|
|
Reply.ClearPacket();
|
|
Reply.Write1(136);
|
|
Reply.Write1(2);
|
|
Reply.WriteNT(CurrentSongInfo.title);
|
|
Reply.WriteNT(CurrentSongInfo.artist);
|
|
Reply.WriteNT(CurrentSongInfo.subtitle);
|
|
|
|
//Reset last song in case host picks same song again (otherwise dual select is bypassed)
|
|
LastSongInfo.title = "";
|
|
LastSongInfo.artist = "";
|
|
LastSongInfo.subtitle = "";
|
|
|
|
//Only send data to clients currently in ScreenNetMusicSelect
|
|
for (int x = 0; x < NUMBERCLIENTS; x++)
|
|
if (Client[x].inNetMusicSelect) {
|
|
SendNetPacket(x, Reply);
|
|
//Designate the client is starting,
|
|
//after ScreenNetMusicSelect but before game play (InGame).
|
|
Client[x].isStarting = true;
|
|
}
|
|
|
|
// SendToAllClients(Reply);
|
|
}
|
|
}
|
|
|
|
bool StepManiaLanServer::CheckHasSongState() {
|
|
for (int x = 0; x < NUMBERCLIENTS; x++)
|
|
if (Client[x].Used == true)
|
|
if (Client[x].inNetMusicSelect)
|
|
if (Client[x].hasSong == false)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void StepManiaLanServer::ClearHasSong() {
|
|
for (int x = 0; x < NUMBERCLIENTS; x++)
|
|
if (Client[x].Used == true)
|
|
Client[x].hasSong = false;
|
|
|
|
}
|
|
|
|
void StepManiaLanServer::SendToAllClients(PacketFunctions &Packet) {
|
|
for (int x = 0; x < NUMBERCLIENTS; x++)
|
|
SendNetPacket(x, Packet);
|
|
|
|
}
|
|
void StepManiaLanServer::ServerChat(CString message) {
|
|
Reply.ClearPacket();
|
|
Reply.Write1(135);
|
|
Reply.WriteNT(message);
|
|
SendToAllClients(Reply);
|
|
}
|
|
|
|
int StepManiaLanServer::FindEmptyClient() {
|
|
//Look at Used flag, if zero then it's an empty client (return client index, -1 if none).
|
|
for (int x = 0; x < NUMBERCLIENTS; x++)
|
|
if (Client[x].Used == 0)
|
|
return x;
|
|
|
|
return -1;
|
|
}
|
|
|
|
void GameClient::CheckConnection() {
|
|
//If there is an error close the socket.
|
|
if (clientSocket.IsError()) {
|
|
clientSocket.close();
|
|
Used = GotStartRequest = hasSong = InGame = inNetMusicSelect = false;
|
|
Player[0].name = Player[1].name = "";
|
|
}
|
|
}
|
|
|
|
void StepManiaLanServer::MoveClientToHost() {
|
|
if (Client[ClientHost].Used == false)
|
|
for (int x = 1; x < NUMBERCLIENTS; x++)
|
|
if (Client[x].Used == true) {
|
|
ClientHost = x;
|
|
x = NUMBERCLIENTS+1;
|
|
}
|
|
}
|
|
|
|
void StepManiaLanServer::SendUserList() {
|
|
Reply.ClearPacket();
|
|
Reply.Write1(137);
|
|
Reply.Write1(NUMBERCLIENTS*2);
|
|
Reply.Write1(NUMBERCLIENTS*2);
|
|
|
|
for (int x = 0; x < NUMBERCLIENTS; x++) {
|
|
for (int y = 0; y < 2; y++) {
|
|
if (Client[x].Player[y].name.length() == 0) {
|
|
Reply.Write1(0);
|
|
} else {
|
|
Reply.Write1(1);
|
|
}
|
|
|
|
Reply.WriteNT(Client[x].Player[y].name);
|
|
}
|
|
}
|
|
|
|
SendToAllClients(Reply);
|
|
}
|
|
|
|
void StepManiaLanServer::ScreenNetMusicSelectStatus(PacketFunctions &Packet, int clientNum) {
|
|
int code = Packet.Read1()%2;
|
|
CString message = servername;
|
|
message += ": ";
|
|
if (code%2 == 1) {
|
|
Client[clientNum].inNetMusicSelect = true;
|
|
} else {
|
|
Client[clientNum].inNetMusicSelect = false;
|
|
}
|
|
switch (code) {
|
|
case 0:
|
|
message += Client[clientNum].Player[0].name;
|
|
if (Client[clientNum].twoPlayers)
|
|
message += "&";
|
|
message += Client[clientNum].Player[1].name;
|
|
message += " exited the Music Select.";
|
|
break;
|
|
case 1:
|
|
message += Client[clientNum].Player[0].name;
|
|
if (Client[clientNum].twoPlayers)
|
|
message += "&";
|
|
message += Client[clientNum].Player[1].name;
|
|
message += " entered the Music Select.";
|
|
break;
|
|
case 2:
|
|
message += Client[clientNum].Player[0].name;
|
|
if (Client[clientNum].twoPlayers)
|
|
message += "&";
|
|
message += Client[clientNum].Player[1].name;
|
|
message += " entered from options.";
|
|
break;
|
|
case 3:
|
|
message += Client[clientNum].Player[0].name;
|
|
if (Client[clientNum].twoPlayers)
|
|
message += "&";
|
|
message += Client[clientNum].Player[1].name;
|
|
message += " exited to options.";
|
|
break;
|
|
}
|
|
ServerChat(message);
|
|
}
|
|
|
|
/*
|
|
* (c) 2003-2004 Joshua Allen
|
|
* All rights reserved.
|
|
*
|
|
* 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, and/or sell copies of the Software, and to permit persons to
|
|
* whom the Software is furnished to do so, provided that the above
|
|
* copyright notice(s) and this permission notice appear in all copies of
|
|
* the Software and that both the above copyright notice(s) and this
|
|
* permission notice appear in supporting documentation.
|
|
*
|
|
* 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 OF
|
|
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
|
|
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
|
|
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
|
|
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|