Convert to ObjC++
FossilOrigin-Name: 7c2704b3d77d6e63d960e315bfb601fddbf6fce538b7c5db6da664e04fbce4c2
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34 changed files with 87 additions and 79 deletions
382
src/client.mm
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382
src/client.mm
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// client.cpp, mostly network related client game code
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#include "cube.h"
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ENetHost *clienthost = NULL;
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int connecting = 0;
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int connattempts = 0;
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int disconnecting = 0;
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int clientnum = -1; // our client id in the game
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bool c2sinit = false; // whether we need to tell the other clients our stats
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int
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getclientnum()
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{
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return clientnum;
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};
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bool
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multiplayer()
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{
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// check not correct on listen server?
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if (clienthost)
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conoutf("operation not available in multiplayer");
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return clienthost != NULL;
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};
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bool
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allowedittoggle()
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{
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bool allow = !clienthost || gamemode == 1;
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if (!allow)
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conoutf("editing in multiplayer requires coopedit mode (1)");
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return allow;
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};
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VARF(rate, 0, 0, 25000,
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if (clienthost && (!rate || rate > 1000))
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enet_host_bandwidth_limit(clienthost, rate, rate));
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void throttle();
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VARF(throttle_interval, 0, 5, 30, throttle());
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VARF(throttle_accel, 0, 2, 32, throttle());
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VARF(throttle_decel, 0, 2, 32, throttle());
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void
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throttle()
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{
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if (!clienthost || connecting)
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return;
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assert(ENET_PEER_PACKET_THROTTLE_SCALE == 32);
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enet_peer_throttle_configure(clienthost->peers,
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throttle_interval * 1000, throttle_accel, throttle_decel);
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};
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void
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newname(char *name)
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{
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c2sinit = false;
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strn0cpy(player1->name, name, 16);
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};
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void
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newteam(char *name)
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{
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c2sinit = false;
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strn0cpy(player1->team, name, 5);
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};
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COMMANDN(team, newteam, ARG_1STR);
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COMMANDN(name, newname, ARG_1STR);
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void
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writeclientinfo(FILE *f)
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{
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fprintf(f, "name \"%s\"\nteam \"%s\"\n", player1->name, player1->team);
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};
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void
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connects(char *servername)
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{
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disconnect(1); // reset state
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addserver(servername);
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conoutf("attempting to connect to %s", servername);
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ENetAddress address = {ENET_HOST_ANY, CUBE_SERVER_PORT};
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if (enet_address_set_host(&address, servername) < 0) {
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conoutf("could not resolve server %s", servername);
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return;
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};
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clienthost = enet_host_create(NULL, 1, rate, rate);
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if (clienthost) {
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enet_host_connect(clienthost, &address, 1);
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enet_host_flush(clienthost);
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connecting = lastmillis;
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connattempts = 0;
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} else {
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conoutf("could not connect to server");
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disconnect();
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};
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};
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void
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disconnect(int onlyclean, int async)
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{
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if (clienthost) {
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if (!connecting && !disconnecting) {
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enet_peer_disconnect(clienthost->peers);
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enet_host_flush(clienthost);
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disconnecting = lastmillis;
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};
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if (clienthost->peers->state != ENET_PEER_STATE_DISCONNECTED) {
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if (async)
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return;
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enet_peer_reset(clienthost->peers);
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};
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enet_host_destroy(clienthost);
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};
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if (clienthost && !connecting)
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conoutf("disconnected");
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clienthost = NULL;
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connecting = 0;
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connattempts = 0;
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disconnecting = 0;
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clientnum = -1;
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c2sinit = false;
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player1->lifesequence = 0;
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loopv(players) zapdynent(players[i]);
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localdisconnect();
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if (!onlyclean) {
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stop();
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localconnect();
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};
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};
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void
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trydisconnect()
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{
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if (!clienthost) {
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conoutf("not connected");
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return;
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};
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if (connecting) {
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conoutf("aborting connection attempt");
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disconnect();
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return;
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};
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conoutf("attempting to disconnect...");
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disconnect(0, !disconnecting);
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};
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string ctext;
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void
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toserver(char *text)
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{
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conoutf("%s:\f %s", player1->name, text);
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strn0cpy(ctext, text, 80);
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};
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void
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echo(char *text)
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{
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conoutf("%s", text);
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};
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COMMAND(echo, ARG_VARI);
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COMMANDN(say, toserver, ARG_VARI);
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COMMANDN(connect, connects, ARG_1STR);
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COMMANDN(disconnect, trydisconnect, ARG_NONE);
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// collect c2s messages conveniently
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vector<ivector> messages;
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void
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addmsg(int rel, int num, int type, ...)
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{
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if (demoplayback)
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return;
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if (num != msgsizelookup(type)) {
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sprintf_sd(s)("inconsistant msg size for %d (%d != %d)", type,
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num, msgsizelookup(type));
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fatal(s);
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};
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if (messages.length() == 100) {
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conoutf("command flood protection (type %d)", type);
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return;
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};
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ivector &msg = messages.add();
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msg.add(num);
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msg.add(rel);
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msg.add(type);
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va_list marker;
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va_start(marker, type);
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loopi(num - 1) msg.add(va_arg(marker, int));
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va_end(marker);
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};
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void
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server_err()
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{
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conoutf("server network error, disconnecting...");
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disconnect();
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};
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int lastupdate = 0, lastping = 0;
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string toservermap;
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bool senditemstoserver =
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false; // after a map change, since server doesn't have map data
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string clientpassword;
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void
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password(char *p)
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{
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strcpy_s(clientpassword, p);
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};
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COMMAND(password, ARG_1STR);
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bool
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netmapstart()
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{
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senditemstoserver = true;
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return clienthost != NULL;
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};
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void
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initclientnet()
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{
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ctext[0] = 0;
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toservermap[0] = 0;
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clientpassword[0] = 0;
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newname("unnamed");
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newteam("red");
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};
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void
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sendpackettoserv(void *packet)
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{
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if (clienthost) {
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enet_host_broadcast(clienthost, 0, (ENetPacket *)packet);
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enet_host_flush(clienthost);
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} else
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localclienttoserver((ENetPacket *)packet);
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}
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void
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c2sinfo(dynent *d) // send update to the server
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{
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if (clientnum < 0)
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return; // we haven't had a welcome message from the server yet
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if (lastmillis - lastupdate < 40)
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return; // don't update faster than 25fps
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ENetPacket *packet = enet_packet_create(NULL, MAXTRANS, 0);
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uchar *start = packet->data;
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uchar *p = start + 2;
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bool serveriteminitdone = false;
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if (toservermap[0]) // suggest server to change map
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{ // do this exclusively as map change may invalidate rest of update
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packet->flags = ENET_PACKET_FLAG_RELIABLE;
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putint(p, SV_MAPCHANGE);
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sendstring(toservermap, p);
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toservermap[0] = 0;
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putint(p, nextmode);
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} else {
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putint(p, SV_POS);
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putint(p, clientnum);
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putint(
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p, (int)(d->o.x * DMF)); // quantize coordinates to 1/16th
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// of a cube, between 1 and 3 bytes
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putint(p, (int)(d->o.y * DMF));
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putint(p, (int)(d->o.z * DMF));
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putint(p, (int)(d->yaw * DAF));
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putint(p, (int)(d->pitch * DAF));
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putint(p, (int)(d->roll * DAF));
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putint(
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p, (int)(d->vel.x *
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DVF)); // quantize to 1/100, almost always 1 byte
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putint(p, (int)(d->vel.y * DVF));
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putint(p, (int)(d->vel.z * DVF));
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// pack rest in 1 byte: strafe:2, move:2, onfloor:1, state:3
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putint(p, (d->strafe & 3) | ((d->move & 3) << 2) |
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(((int)d->onfloor) << 4) |
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((editmode ? CS_EDITING : d->state) << 5));
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if (senditemstoserver) {
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packet->flags = ENET_PACKET_FLAG_RELIABLE;
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putint(p, SV_ITEMLIST);
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if (!m_noitems)
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putitems(p);
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putint(p, -1);
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senditemstoserver = false;
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serveriteminitdone = true;
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};
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if (ctext[0]) // player chat, not flood protected for now
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{
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packet->flags = ENET_PACKET_FLAG_RELIABLE;
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putint(p, SV_TEXT);
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sendstring(ctext, p);
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ctext[0] = 0;
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};
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if (!c2sinit) // tell other clients who I am
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{
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packet->flags = ENET_PACKET_FLAG_RELIABLE;
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c2sinit = true;
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putint(p, SV_INITC2S);
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sendstring(player1->name, p);
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sendstring(player1->team, p);
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putint(p, player1->lifesequence);
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};
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loopv(messages) // send messages collected during the previous
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// frames
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{
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ivector &msg = messages[i];
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if (msg[1])
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packet->flags = ENET_PACKET_FLAG_RELIABLE;
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loopi(msg[0]) putint(p, msg[i + 2]);
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};
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messages.setsize(0);
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if (lastmillis - lastping > 250) {
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putint(p, SV_PING);
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putint(p, lastmillis);
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lastping = lastmillis;
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};
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};
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*(ushort *)start = ENET_HOST_TO_NET_16(p - start);
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enet_packet_resize(packet, p - start);
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incomingdemodata(start, p - start, true);
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if (clienthost) {
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enet_host_broadcast(clienthost, 0, packet);
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enet_host_flush(clienthost);
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} else
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localclienttoserver(packet);
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lastupdate = lastmillis;
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if (serveriteminitdone)
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loadgamerest(); // hack
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};
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void
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gets2c() // get updates from the server
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{
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ENetEvent event;
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if (!clienthost)
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return;
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if (connecting && lastmillis / 3000 > connecting / 3000) {
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conoutf("attempting to connect...");
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connecting = lastmillis;
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++connattempts;
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if (connattempts > 3) {
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conoutf("could not connect to server");
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disconnect();
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return;
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};
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};
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while (
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clienthost != NULL && enet_host_service(clienthost, &event, 0) > 0)
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switch (event.type) {
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case ENET_EVENT_TYPE_CONNECT:
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conoutf("connected to server");
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connecting = 0;
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throttle();
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break;
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case ENET_EVENT_TYPE_RECEIVE:
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if (disconnecting)
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conoutf("attempting to disconnect...");
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else
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localservertoclient(event.packet->data,
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event.packet->dataLength);
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enet_packet_destroy(event.packet);
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break;
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case ENET_EVENT_TYPE_DISCONNECT:
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if (disconnecting)
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disconnect();
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else
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server_err();
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return;
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}
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};
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