2 * Netris -- A free networked version of T*tris
3 * Copyright (C) 1994,1995,1996 Mark H. Weaver <mhw@netris.org>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 * $Id: game.c,v 1.39 1999/05/16 06:56:27 mhw Exp $
27 #include <sys/types.h>
28 #include <netinet/in.h>
31 static struct option options[] = {
32 { "ascii", 2, 0, 'a' },
33 { "connect", 1, 0, 'c' },
34 { "port", 1, 0, 'p' },
35 { "level", 1, 0, 'l' },
36 { "team", 1, 0, 't' },
38 { "robot", 1, 0, 'r' },
39 { "fair-robot", 0, 0, 'F' },
40 { "dropmode", 2, 0, 'd' },
41 { "instadrop", 2, 0, 'D' },
42 { "color", 2, 0, 'C' },
43 { "slowterm", 2, 0, 'S' },
44 { "keys", 1, 0, 'k' },
45 { "rules", 0, 0, 'R' },
46 { "info", 0, 0, 'H' },
47 { "help", 0, 0, 'h' },
51 enum { KT_left, KT_right, KT_rotright, KT_rotleft, KT_drop, KT_down,
52 KT_faster, KT_pause, KT_redraw, KT_quit, KT_numKeys };
54 static char *keyNames[KT_numKeys+1] = {
55 "Left", "Right", "RotRight", "RotLeft", "Drop", "Down",
56 "Faster", "Pause", "Redraw", "Quit", NULL };
58 static char *gameNames[GT_len] = { "OnePlayer", "ClassicTwo" };
60 static char keyTable[KT_numKeys+1];
63 static int paused = 0;
65 static sigjmp_buf close_env;
68 ExtFunc void MapKeys(char *newKeys)
74 /* XXX assumptions about ASCII encoding here */
75 for (i = k = 0; newKeys[i] && k < KT_numKeys; i++,k++) {
76 if (newKeys[i] == '^' && newKeys[i+1])
77 keyTable[k] = toupper(newKeys[++i]) - ('A' - 1);
79 keyTable[k] = newKeys[i];
81 memset(used, 0, sizeof(used));
82 for (k = 0; k < KT_numKeys; k++) {
83 ch = (unsigned char) keyTable[k];
85 if (iscntrl(ch) && ch < ' ')
86 sprintf(scratch, "Ctrl-%c", ch + ('A' - 1));
88 sprintf(scratch, "\"%c\"", ch);
90 sprintf(scratch, "0x%X", ch);
92 fprintf(stderr, "Duplicate key mappings:\n");
94 fprintf(stderr, " %s mapped to both %s and %s\n",
95 scratch, keyNames[used[ch]-1], keyNames[k]);
103 ExtFunc void WriteConf(void)
107 file_out = fopen(CONFIG_FILE, "w");
108 if (file_out == NULL)
109 die("Error writing config file");
111 fprintf(file_out, "### NETRIS %s Config file ###\n\n", version_string);
114 fprintf(stderr, "Wrote new game configuration to %s\n", CONFIG_FILE);
117 ExtFunc void HandleOption(char tag, char *value)
121 if (value && !strcasecmp(value, "0")) Game.ascii = 0;
131 case 'i': //speed (of level 1)
132 Game.initspeed = atof(value) * 1e6;
135 if ((Players[0].score.level = atof(value)) < 1)
136 Players[0].score.level = 1;
137 if (Players[0].score.level > 15)
138 Players[0].score.level = 15;
141 Players[0].team = atoi(value);
147 Players[i / 10].spy = i % 10;
152 Players[0].flags |= SCF_usingRobot;
155 case 'F': //fair robot
157 Players[0].flags |= SCF_fairRobot;
159 case 'd': //drop mode
160 if (value && !strcasecmp(value, "0")) Players[0].dropmode &= 254;
161 else Players[0].dropmode |= 1;
163 case 'D': //instadrop
164 if (value && !strcasecmp(value, "0")) Players[0].dropmode &= 253;
165 else Players[0].dropmode |= 2;
168 if (value && !strcasecmp(value, "1")) Game.color = 1;
172 if (value && !strcasecmp(value, "1")) Game.standout = 1;
173 else Game.standout = 0;
176 MapKeys(value); break;
188 ExtFunc void ReadConf(char *filename)
194 char tag[81], value[81];
196 file_in = fopen(filename, "r");
198 while (fgets(buf, 512, file_in) != NULL) {
199 if ((ch = strchr(buf, '#')))
200 *ch = '\0'; // truncate string from # char
201 for (i = strlen(buf)-1; i >= 0; i--)
202 if (buf[i] == ' ' || buf[i] == '\n' || buf[i] == '\t' || buf[i] == 13)
206 sscanf(buf, "%80[^= \t] = %80[^\n]", tag, value);
207 for (i = 0; options[i].name; i++){
208 if (!strcasecmp(options[i].name, tag)) {
209 HandleOption(options[i].val, value);
217 fprintf(stderr, "Unable to open config file %s.\n", filename);
222 ExtFunc int StartNewPiece(int scr, Shape *shape)
224 if (Players[scr].nextShape) {
225 Players[scr].curShape = Players[scr].nextShape;
226 Players[scr].nextShape = shape;
229 Players[scr].curShape = shape;
230 Players[scr].curY = Players[scr].boardVisible + 4;
231 Players[scr].curX = Players[scr].boardWidth / 2;
232 while (!ShapeVisible(Players[scr].curShape, scr,
233 Players[scr].curY, Players[scr].curX))
235 if (!ShapeFits(Players[scr].curShape, scr,
236 Players[scr].curY, Players[scr].curX))
238 PlotShape(Players[scr].curShape, scr,
239 Players[scr].curY, Players[scr].curX, 1, 1);
243 ExtFunc void checkPaused(void)
244 { //check whether anyone paused the game
247 paused = Game.started < 1;
248 for (i = 1; i < MAX_SCREENS; i++) if (Players[i].alive)
249 paused |= Players[i].flags & SCF_paused;
250 if (paused) paused = 1;
251 else if (Game.started == 1) {
253 Messagef("The game has started");
254 for (i = 1; i < MAX_SCREENS; i++) if (Players[i].alive)
259 ExtFunc void OneGame(void)
262 int linesCleared, changed = 0;
271 int linevalues[4] = { 40, 100, 400, 1200 }; //= 50*lines! - 10*(lines==1)
274 maxPlayer = lastadd = me;
275 Game.speed = Game.initspeed;
276 for (i = 1; i < Players[me].score.level; i++)
277 Game.speed /= SPEEDINC;
278 if (Game.speed < SPEEDMINIMUM)
279 Game.speed = SPEEDMINIMUM;
280 ResetBaseTime(); //reset timer
283 SetITimer(Game.speed, Game.speed);
286 RobotCmd(0, "GameType %s\n", gameNames[game]);
287 RobotCmd(0, "BoardSize 0 %d %d\n",
288 Players[me].boardVisible, Players[me].boardWidth);
289 for (i = 1; i < MAX_SCREENS; i++) if (Players[i].alive && i != me) {
290 RobotCmd(0, "BoardSize %d %d %d\n",
291 counter, Players[i].boardVisible, Players[i].boardWidth);
292 RobotCmd(0, "Opponent %d %s %s\n",
293 counter, Players[i].name, Players[i].host);
294 if (Players[i].flags & SCF_usingRobot)
295 RobotCmd(0, "OpponentFlag %d robot\n", i);
296 if (Players[i].flags & SCF_fairRobot)
297 RobotCmd(0, "OpponentFlag %d fairRobot\n", i);
300 RobotCmd(0, "TickLength %.3f\n", Game.speed / 1.0e6);
301 RobotCmd(0, "BeginGame\n");
304 Players[me].nextShape = ChooseOption(stdOptions);
306 if (Players[me].alive) {
307 if (!StartNewPiece(me, ChooseOption(stdOptions))) {
309 Players[me].alive = 0;
310 if (lastadd == me) Messagef("You died");
311 else Messagef("\\%d%s fragged you",
312 Players[lastadd].team > 7 ? 7 : Players[lastadd].team,
313 Players[lastadd].name);
314 if (game == GT_classicTwo)
315 SendPacket(me, NP_argghhh, sizeof(lastadd), &lastadd);
320 ShowScore(me, Players[me].score);
321 if (robotEnable && !fairRobot)
322 RobotCmd(1, "NewPiece %d\n", ++pieceCount);
327 shapeNum = ShapeToNetNum(Players[me].curShape);
328 data[0] = hton2(shapeNum);
329 SendPacket(me, NP_newPiece, sizeof(data), data);
334 for (i = 1; i < MAX_SCREENS; i++)
335 if (Players[i].alive && Players[i].spy)
336 changed |= RefreshBoard(i);
338 if (!paused) ShowTime();
343 for (i = 1; i < MAX_SCREENS; i++)
344 if (Players[i].alive) playercount++;
345 if (playercount < 1) goto gameOver;
347 switch (WaitMyEvent(&event, EM_any)) {
349 if (!paused && Players[me].alive)
350 if (!MovePiece(me, -1, 0))
353 SendPacket(me, NP_down, 0, NULL);
356 p = strchr(keyTable, tolower(event.u.key));
359 RobotCmd(1, "UserKey %d %s\n",
360 (int)(unsigned char)event.u.key,
361 p ? keyNames[key] : "?");
363 } //let robot handle keypress
366 if (!Players[me].alive && key != KT_quit) break;
367 if (paused && key < KT_pause) break;
370 if (MovePiece(me, 0, -1) && spied)
371 SendPacket(me, NP_left, 0, NULL);
374 if (MovePiece(me, 0, 1) && spied)
375 SendPacket(me, NP_right, 0, NULL);
378 if (RotatePiece(me, 0) && spied)
379 SendPacket(me, NP_rotleft, 0, NULL);
382 if (RotatePiece(me, 1) && spied)
383 SendPacket(me, NP_rotright, 0, NULL);
386 SetITimer(Game.speed, Game.speed);
387 if (MovePiece(me, -1, 0)) {
388 if (spied) SendPacket(me, NP_down, 0, NULL);
393 SetITimer(Game.speed, Game.speed);
395 if (spied) SendPacket(me, NP_drop, 0, NULL);
396 if (Players[me].dropmode == 2) goto nextPiece;
399 dropMode = Players[me].dropmode;
402 if (game != GT_onePlayer)
404 if ((Game.speed /= SPEEDINC) < SPEEDMINIMUM)
405 Game.speed = SPEEDMINIMUM;
406 SetITimer(Game.speed, SetITimer(0, 0));
407 Players[me].score.level++;
408 ShowScore(me, Players[me].score);
412 Players[me].flags ^= SCF_paused;
413 if (Game.started > 1)
414 Messagef(Players[me].flags & SCF_paused
415 ? "You paused the game"
416 : "You unpaused the game");
418 Messagef(Players[me].flags & SCF_paused
419 ? "You are not ready" : "You are ready");
421 if (game == GT_classicTwo)
422 SendPacket(me, NP_pause, 0, NULL);
423 if (robotEnable) RobotCmd(1, "Pause %d\n", paused);
430 // ScheduleFullRedraw();
431 for (i = 1; i < MAX_SCREENS; i++)
432 if (Players[i].alive && Players[i].spy)
441 if (dropMode && DropPiece(me) > 0) {
442 SetITimer(Game.speed, Game.speed);
444 SendPacket(me, NP_drop, 0, NULL);
451 cmd = event.u.robot.data;
452 if ((p = strchr(cmd, ' ')))
455 p = cmd + strlen(cmd);
456 for (key = 0; keyNames[key]; ++key)
457 if (!strcmp(keyNames[key], cmd) &&
458 (fairRobot || (1 == sscanf(p, "%d", &num) &&
461 if (!strcmp(cmd, "Message")) {
468 switch(event.u.net.type) {
474 FreezePiece(event.u.net.uid);
475 memcpy(data, event.u.net.data, sizeof(data));
476 shapeNum = ntoh2(data[0]);
477 StartNewPiece(event.u.net.uid,
478 NetNumToShape(shapeNum));
482 MovePiece(event.u.net.uid, -1, 0);
485 MovePiece(event.u.net.uid, 0, -1);
488 MovePiece(event.u.net.uid, 0, 1);
491 RotatePiece(event.u.net.uid, 0);
494 RotatePiece(event.u.net.uid, 1);
497 DropPiece(event.u.net.uid);
500 ClearFullLines(event.u.net.uid);
506 memcpy(data, event.u.net.data, sizeof(data));
507 InsertJunk(event.u.net.uid, ntoh2(data[0]),
510 } //player added junklines
516 if (!Players[me].alive) break;
517 memcpy(data, event.u.net.data, sizeof(data[0]));
518 column = Random(0, Players[me].boardWidth);
519 data[1] = hton2(column);
520 Messagef("\\%d%s sends %d lines",
521 Players[event.u.net.uid].team > 7 ? 7
522 : Players[event.u.net.uid].team,
523 Players[event.u.net.uid].name, ntoh2(data[0]));
524 lastadd = event.u.net.uid;
525 InsertJunk(me, ntoh2(data[0]), column);
527 SendPacket(me, NP_insertJunk, sizeof(data),
530 } //receive junklines
539 if (event.u.net.uid > maxPlayer)
540 maxPlayer = event.u.net.uid;
541 memcpy(&Players[event.u.net.uid],
542 event.u.net.data, event.u.net.size);
543 ClearField(event.u.net.uid);
544 Messagef("\\%d%s joins the game",
545 Players[event.u.net.uid].team > 7 ? 7
546 : Players[event.u.net.uid].team,
547 Players[event.u.net.uid].name);
548 if (Players[event.u.net.uid].flags & SCF_paused) {
551 RobotCmd(1, "Pause %d\n", paused);
552 } //player has paused
553 DrawField(event.u.net.uid);
554 // ShowPause(event.u.net.uid);
562 Players[event.u.net.uid].flags ^= SCF_paused;
563 if (Game.started > 1)
565 Players[event.u.net.uid].flags & SCF_paused
566 ? "paused the game" : "unpaused the game");
569 Players[event.u.net.uid].flags & SCF_paused
570 ? "is not ready" : "is good to go");
571 Messagef("\\%d%s %s",
572 Players[event.u.net.uid].team > 7 ? 7
573 : Players[event.u.net.uid].team,
574 Players[event.u.net.uid].name, s);
576 if (robotEnable) RobotCmd(1, "Pause %d\n", paused);
577 ShowPause(event.u.net.uid);
584 memcpy(&i, event.u.net.data, sizeof(i));
585 Players[event.u.net.uid].alive = 0;
586 if (i == me) Messagef("You fragged %s",
587 Players[event.u.net.uid].name);
588 else if (i == event.u.net.uid)
589 Messagef("\\%d%s died",
590 Players[i].team > 7 ? 7 : Players[i].team,
592 else Messagef("\\%d%s fragged %s",
593 Players[i].team > 7 ? 7 : Players[i].team,
595 Players[event.u.net.uid].name);
597 ShowPause(event.u.net.uid);
611 if (paused != oldPaused) {
614 pauseTimeLeft = SetITimer(0, 0);
617 SetITimer(Game.speed, pauseTimeLeft);
626 Players[me].score.drops++;
627 Players[me].score.score++;
628 if ((linesCleared = ClearFullLines(me)) > 0) {
629 if (game == GT_onePlayer)
630 if ((Players[me].score.lines / 10) <
631 ((Players[me].score.lines + linesCleared) / 10)) {
632 if ((Game.speed /= SPEEDINC) < SPEEDMINIMUM)
633 Game.speed = SPEEDMINIMUM;
634 SetITimer(Game.speed, SetITimer(0, 0));
635 Players[me].score.level++;
637 Players[me].score.score += linevalues[linesCleared - 1];
638 Players[me].score.lines += linesCleared;
639 Players[me].score.adds += linesCleared - (linesCleared < 4);
641 SendPacket(me, NP_clear, 0, NULL);
643 if (game == GT_classicTwo && linesCleared > 1) {
647 junkLines = linesCleared - (linesCleared < 4);
648 data[0] = hton2(junkLines);
649 SendPacket(me, NP_giveJunk, sizeof(data), data);
650 Messagef("You sent %d lines", junkLines);
651 } //send junk to others
657 ExtFunc void CatchInt(int sig)
659 siglongjmp(close_env, 1);
662 ExtFunc int main(int argc, char **argv)
667 Game.standout = Game.color = 1;
668 Game.initspeed = DEFAULT_INTERVAL;
669 MapKeys(DEFAULT_KEYS);
674 for (i = 0; i < MAX_SCREENS; i++) {
675 Players[i].score.level = Players[i].spy = 1;
676 Players[i].boardWidth = 10;
677 Players[i].boardHeight = MAX_BOARD_HEIGHT;
678 Players[i].boardVisible = 20;
679 strcpy(Players[i].name, "???");
681 if (!(userName = getenv("LOGNAME")) || !userName[0])
682 if (!(userName = getenv("USER")) || !userName[0])
683 userName = "Anonymous";
684 strncpy(Players[0].name, userName, 16); //sizeof(Player.name)
685 Players[0].name[16] = 0;
686 Players[0].alive = 1;
689 // if (getopt(argc, argv, "f:") == 'f')
692 ReadConf(CONFIG_FILE);
693 while ((ch = getopt_long(argc, argv,
694 "hHRr:Fk:c:odDSCap:i:l:t:", options, NULL)) != -1)
695 HandleOption(ch, optarg);
700 if (fairRobot && !robotEnable)
701 fatal("You can't use the -F option without the -r option");
704 SRandom(time(0)); //randomize
705 if (sigsetjmp(close_env, 1))
707 signal(SIGINT, CatchInt); //handle exit (^C)
708 InitScreens(); //setup screen
711 game = GT_classicTwo;
713 InitiateConnection(hostStr, port);
723 memcpy(&Players[me], &Players[0], sizeof(Player));