- }
- u->nread += r;
- while (u->nread >= 4 && u->nread >= 4 + u->readbuf[3])
- {
- len = u->readbuf[3];
- if (u->readbuf[0] || u->readbuf[1] || u->readbuf[2])
- {
- if (verbose)
- printf("RND_SERVER: crap from client %d (%s)\n", u->number, u->nick);
- write(u->fd, "\033]50;kanji24\007\033#8\033(0", 19);
- dropuser(u);
- interrupt = 1;
- break;
- }
- memcpy(buf, &u->readbuf[4], len);
- u->nread -= 4 + len;
- copydown(u->readbuf, u->readbuf + 4 + len, u->nread);
-
- buf[0] = u->number;
- if (!u->introduced && buf[1] != OP_NICKNAME)
- {
- if (verbose)
- printf("RND_SERVER: !(client %d)->introduced && buf[1]==%d (expected OP_NICKNAME)\n", buf[0], buf[1]);
-
- dropuser(u);
- interrupt = 1;
- break;
- }
-
- switch(buf[1])
- {
- case OP_NICKNAME:
- if (len>16)
- len=16;
- memcpy(u->nick, &buf[2], len-2);
- u->nick[len-2] = 0;
- for (i=0; i<len-2; i++)
- {
- if (u->nick[i] < ' ' ||
- (u->nick[i] > 0x7e && u->nick[i] <= 0xa0))
- {
- u->nick[i] = 0;
- break;
- }
- }
-
- if (!u->introduced)
- {
- buf[0] = u->number;
- buf[1] = OP_PLAYER_CONNECTED;
- broadcast(u, 2, 0);
- }
-
- if (verbose)
- printf("RND_SERVER: client %d calls itself \"%s\"\n", u->number, u->nick);
- buf[1] = OP_NICKNAME;
- broadcast(u, len, 0);
-
- if (!u->introduced)
- {
- for (v=user0; v; v=v->next)
- {
- if (v != u && v->introduced)
- {
- buf[0] = v->number;
- buf[1] = OP_PLAYER_CONNECTED;
- buf[2] = (v->games >> 8);
- buf[3] = (v->games & 0xff);
- sendtoone(u, 4);
- buf[1] = OP_NICKNAME;
- memcpy(&buf[2], v->nick, 14);
- sendtoone(u, 2+strlen(v->nick));
- }
- }
- if (level != 5)
- {
- buf[0] = 0;
- buf[1] = OP_LEVEL;
- buf[2] = level;
- sendtoone(u, 3);
- }
- if (mode >= 0)
- {
- buf[1] = OP_MODE;
- buf[2] = mode;
- sendtoone(u, 3);
- }
- }
-
- u->introduced = 1;
- break;
-
- case OP_KILL:
- for (v=user0; v; v=v->next)
- {
- if (v->number == buf[2])
- break;
- }
- if (v)
- {
- if (v->isbot)
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) kills bot %d (%s)\n", u->number, u->nick, v->number, v->nick);
-
- dropuser(v);
- interrupt = 1;
- break;
- }
- else
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) attempting to kill non-bot %d (%s)\n", u->number, u->nick, v->number, v->nick);
- }
- }
- break;
-
- case OP_START_PLAYING:
- if (verbose)
- printf("RND_SERVER: client %d (%s) starts game [level %d from levedir %d (%s)]\n",
- u->number, u->nick,
- (buf[2] << 8) + buf[3],
- (buf[4] << 8) + buf[5],
- &buf[6]);
- timetoplay = 0;
- do_play();
- break;
-
- case OP_MOVE_FIGURE:
- {
- int actions_complete = 1;
- int last_client_nr = 0;
-
- /* store player action */
- for (v=user0; v; v=v->next)
- {
- if (v->number == u->number)
- {
- v->action = buf[2];
- v->action_received = 1;
- }
- }
-
- /* check if server received action from each player */
- for (v=user0; v; v=v->next)
- {
- if (!v->action_received)
- {
- actions_complete = 0;
- break;
- }
- }
-
- if (!actions_complete)
- break;
-
- /* broadcast actions of all players to all players */
- for (v=user0; v; v=v->next)
- {
- buf[6 + v->number-1] = v->action;
- v->action = 0;
- v->action_received = 0;
-
- if (v->number > last_client_nr)
- last_client_nr = v->number;
- }
-
- buf[2] = (unsigned char)((frame_counter >> 24) & 0xff);
- buf[3] = (unsigned char)((frame_counter >> 16) & 0xff);
- buf[4] = (unsigned char)((frame_counter >> 8) & 0xff);
- buf[5] = (unsigned char)((frame_counter >> 0) & 0xff);
-
- broadcast(NULL, 6 + last_client_nr, 0);
-
- frame_counter++;
-
- /*
- if (verbose)
- printf("RND_SERVER: frame %d: client %d (%s) moves player [0x%02x]\n",
- frame_counter,
- u->number, u->nick, buf[2]);
- */
-
- break;
- }
-
- case OP_MODE:
- mode = buf[2];
- if (verbose)
- printf("RND_SERVER: client %d (%s) sets mode %d (%s)\n", u->number, u->nick, buf[2], buf[2] == 0 ? "normal" : (buf[2] == 1 ? "fun" : "unknown"));
- broadcast(NULL, 3, 0);
- break;
-
- case OP_PAUSE:
- if (verbose)
- printf("RND_SERVER: client %d (%s) pauses game\n", u->number, u->nick);
- broadcast(NULL, 2, 0);
- paused = 1;
- break;
-
- case OP_CONT:
- if (verbose)
- printf("RND_SERVER: client %d (%s) continues game\n", u->number, u->nick);
- broadcast(NULL, 2, 0);
- paused = 0;
- break;
-
- case OP_BOT:
- if (!u->isbot)
- bots++;
- u->isbot = 1;
- if (verbose)
- printf("RND_SERVER: client %d (%s) declares itself to be a bot\n", u->number, u->nick);
- break;
-
- case OP_LEVEL:
- level = buf[2];
- if (verbose)
- printf("RND_SERVER: client %d (%s) sets level %d\n", u->number, u->nick, buf[2]);
- broadcast(NULL, 3, 0);
- break;
-
- case OP_LOST:
- {
- struct user *won = NULL;
-
- if (verbose)
- printf("RND_SERVER: client %d (%s) has lost\n", u->number, u->nick);
- u->playing = 0;
- broadcast(u, 2, 1);
- i = 0;
- for (v=user0; v; v=v->next)
- {
- if (v->nextvictim == u)
- {
- for (w=NEXT(v); w!=v; w=NEXT(w))
- {
- if (w->active && w->playing)
- {
- v->nextvictim = w;
- break;
- }
- }
- if (v->nextvictim == u)
- v->nextvictim = NULL;
- }
- }
- for (v=user0; v; v=v->next)
- {
- if (v->playing)
- {
- i++;
- won = v;
- }
- }
- if (i == 1)
- {
- buf[0] = won->number;
- buf[1] = OP_WON;
- won->games++;
- broadcast(NULL, 2, 0);
- }
- else if (i == 0)
- {
- buf[0] = u->number;
- buf[1] = OP_WON;
- u->games++;
- broadcast(NULL, 2, 0);
- }
- if (i < 2 && clients > 1)
- timetoplay = time(NULL) + 4;
- }
- break;
-
- case OP_ZERO:
- broadcast(NULL, 2, 0);
- if (verbose)
- printf("RND_SERVER: client %d (%s) resets the game counters\n", u->number, u->nick);
- for (v=user0; v; v=v->next)
- v->games = 0;
- break;
-
- case OP_CLEAR:
- case OP_GROW:
- broadcast(u, 2, 1);
- break;
-
- case OP_MSG:
- buf[len] = '\0';
- if (verbose)
- printf("RND_SERVER: client %d (%s) sends message: %s\n", u->number, u->nick, &buf[2]);
- broadcast(u, len, 0);
- break;
-
- case OP_NUMBER_WANTED:
- {
- int nr_wanted = buf[2];
- int nr_is_free = 1;
-
- if (verbose)
- printf("RND_SERVER: client %d (%s) wants to switch to # %d\n",
- u->number, u->nick, nr_wanted);
-
- for (v=user0; v; v=v->next)
- {
- if (v->number == nr_wanted)
- {
- nr_is_free = 0;
- break;
- }
- }
-
- if (verbose)
- {
- if (nr_is_free)
- printf("RND_SERVER: client %d (%s) switches to # %d\n",
- u->number, u->nick, nr_wanted);
- else if (u->number == nr_wanted)
- printf("RND_SERVER: client %d (%s) still has # %d\n",
- u->number, u->nick, nr_wanted);
- else
- printf("RND_SERVER: client %d (%s) cannot switch (client %d still exists)\n",
- u->number, u->nick, nr_wanted);
- }
-
- if (nr_is_free)
- u->number = nr_wanted;
-
- buf[0] = 0;
- buf[1] = OP_NUMBER_WANTED;
- buf[2] = nr_wanted;
- buf[3] = u->number;
- sendtoone(u, 4);
- break;
- }
-
- case OP_PROTOCOL_VERSION:
- if (len != 5 || buf[2] != PROT_VERS_1 || buf[3] != PROT_VERS_2)
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) has wrong protocol version %d.%d.%d\n", u->number, u->nick, buf[2], buf[3], buf[4]);
-
- buf[0] = 0;
- buf[1] = OP_BADVERS;
- buf[2] = PROT_VERS_1;
- buf[3] = PROT_VERS_2;
- buf[4] = PROT_VERS_3;
- sendtoone(u, 5);
- flushuser(u);
-
- dropuser(u);
- interrupt = 1;
- }
- else
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) uses protocol version %d.%d.%d\n", u->number, u->nick, buf[2], buf[3], buf[4]);
- }
- break;
-
- case OP_LINES:
- if (len != 3)
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) sends crap for an OP_LINES\n", u->number, u->nick);
-
- dropuser(u);
- interrupt = 1;
- break;
- }
- if (u->nextvictim)
- {
- if (verbose)
- printf("RND_SERVER: client %d (%s) sends %d %s to client %d (%s)\n", u->number, u->nick, (int)buf[2], buf[2] == 1 ? "line" : "lines", u->nextvictim->number, u->nextvictim->nick);
- sendtoone(u->nextvictim, 3);
- buf[3] = u->nextvictim->number;
- buf[1] = OP_LINESTO;
- broadcast(u->nextvictim, 4, 1);
- for (v=NEXT(u->nextvictim); v!=u->nextvictim; v=NEXT(v))
- {
- if (v->active && v != u && v->playing)
- {
- u->nextvictim = v;
- break;
- }
- }
- }
- else if (verbose)
- printf("RND_SERVER: client %d (%s) makes %d %s but has no victim\n", u->number, u->nick, (int)buf[2], buf[2] == 1 ? "line" : "lines");
- break;
-
- default:
- if (verbose)
- printf("RND_SERVER: opcode %d from client %d (%s) not understood\n", buf[0], u->number, u->nick);
- }
- }
- }