Josh Allen
546 lines
13 KiB
C++
546 lines
13 KiB
C++
/* NetworkSyncServer.cpp
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*/
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#include "NetworkSyncServer.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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step = 0;
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maxCombo = 0;
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Grade = 0;
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offset = 0;
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}
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StepManiaLanServer::StepManiaLanServer() {
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stop = true;
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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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//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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Ready = 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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}
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int GameClient::GetData(PacketFunctions &Packet) {
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int length = -1;
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CheckConnection(); // Check for a connection problem
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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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break;
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case 4:
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/* GameOver */
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Client[clientNum].GameOver(Packet);
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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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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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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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Reply.ClearPacket();
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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.Write1(130);
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Reply.Write1(1);
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Reply.WriteNT(servername);
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SendNetPacket(clientNum, (char*)Reply.Data, Reply.Position);
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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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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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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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startPosition = secondbyte/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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Player[0].score = 0;
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Player[0].combo = 0;
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Player[0].projgrade = 0;
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Player[1].score = 0;
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Player[1].combo = 0;
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Player[1].projgrade = 0;
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Ready = true;
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InGame = true;
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}
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void StepManiaLanServer::CheckReady() {
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bool Start = true;
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int x;
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for (x = 0; x < NUMBERCLIENTS; x++)
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if (Start == true)
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if (Client[x].Used == true)
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if (Client[x].Ready == false)
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Start = false;
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/* If All clients were ready, send the start command. */
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if (Start == true)
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for (x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == true) {
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SendValue(131, x);
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Client[x].Ready = false;
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}
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}
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void GameClient::GameOver(PacketFunctions &Packet) {
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Ready = false;
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InGame= false;
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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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for (int x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == true) {
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if (Client[x].IsPlaying(0)) {
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playersPtr[counter] = &Client[x].Player[0];
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counter++;
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}
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if (Client[x].IsPlaying(1)) {
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playersPtr[counter] = &Client[x].Player[1];
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counter++;
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}
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}
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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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// PacketFunctions StatsPacket;
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int x, numPlayers;
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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(numPlayers);
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StatsNameColumn(Reply, playersPtr, numPlayers);
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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, (char*)Reply.Data, Reply.Position);
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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(numPlayers);
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StatsComboColumn(Reply, playersPtr, numPlayers);
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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, (char*)Reply.Data, Reply.Position);
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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(numPlayers);
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StatsProjgradeColumn(Reply, playersPtr, numPlayers);
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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, (char*)Reply.Data, Reply.Position);
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}
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void StepManiaLanServer::SendNetPacket(int client, char *data, int size) {
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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(data, size);
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}
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void StepManiaLanServer::StatsNameColumn(PacketFunctions &data, LanPlayer *playersPtr[], int numPlayers) {
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char number[9];
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CString numname;
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for (int x = 0; x < numPlayers; x++) {
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sprintf(number, "%d", x+1);
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numname = number;
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numname += ". ";
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numname += playersPtr[x]->name;
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data.WriteNT(numname);
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}
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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(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(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].step = 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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}
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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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}
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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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gameInfo.title = Packet.ReadNT();
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gameInfo.artist = Packet.ReadNT();
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gameInfo.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(gameInfo.title);
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Reply.WriteNT(gameInfo.artist);
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Reply.WriteNT(gameInfo.subtitle);
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ClearHasSong();
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SendToAllClients(Reply);
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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);
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Reply.WriteNT(message);
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SendNetPacket(clientNum, (char*)Reply.Data, Reply.Position);
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}
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}
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if (use == 1) {
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//If user dosn't have song
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Client[clientNum].hasSong = false;
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message = servername;
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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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}
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message += " lacks song \"";
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message += gameInfo.title;
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message += "\"";
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ServerChat(message);
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}
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//If client has song
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if (use == 0)
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Client[clientNum].hasSong = true;
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if (CheckHasSongState()) {
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Reply.ClearPacket();
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Reply.Write1(136);
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Reply.Write1(2);
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Reply.WriteNT(gameInfo.title);
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Reply.WriteNT(gameInfo.artist);
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Reply.WriteNT(gameInfo.subtitle);
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SendToAllClients(Reply);
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}
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}
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bool StepManiaLanServer::CheckHasSongState() {
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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].hasSong == false)
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return false;
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return true;
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}
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void StepManiaLanServer::ClearHasSong() {
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for (int x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == true)
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Client[x].hasSong = false;
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}
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void StepManiaLanServer::SendToAllClients(PacketFunctions &Packet) {
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for (int x = 0; x < NUMBERCLIENTS; x++)
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SendNetPacket(x, (char*)Packet.Data, Packet.Position);
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}
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void StepManiaLanServer::ServerChat(CString message) {
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// PacketFunctions chat;
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Reply.ClearPacket();
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Reply.Write1(135);
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Reply.WriteNT(message);
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SendToAllClients(Reply);
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}
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int StepManiaLanServer::FindEmptyClient() {
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/* Look at Used flag, if zero then it's an empty client.
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Return the index. */
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for (int x = 0; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == 0)
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return x;
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return -1;
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}
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void GameClient::CheckConnection() {
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/* If there is an error close the socket. */
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if (clientSocket.IsError()) {
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clientSocket.close();
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Used = false;
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}
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}
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void StepManiaLanServer::MoveClientToHost() {
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if (Client[ClientHost].Used == false)
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for (int x = 1; x < NUMBERCLIENTS; x++)
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if (Client[x].Used == true) {
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ClientHost = x;
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x = 17;
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}
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}
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/*
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* (c) 2003-2004 Joshua Allen
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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