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;
66 static sigjmp_buf close_env;
69 ExtFunc void MapKeys(char *newKeys)
75 /* XXX assumptions about ASCII encoding here */
76 for (i = k = 0; newKeys[i] && k < KT_numKeys; i++,k++) {
77 if (newKeys[i] == '^' && newKeys[i+1])
78 keyTable[k] = toupper(newKeys[++i]) - ('A' - 1);
80 keyTable[k] = newKeys[i];
82 memset(used, 0, sizeof(used));
83 for (k = 0; k < KT_numKeys; k++) {
84 ch = (unsigned char) keyTable[k];
86 if (iscntrl(ch) && ch < ' ')
87 sprintf(scratch, "Ctrl-%c", ch + ('A' - 1));
89 sprintf(scratch, "\"%c\"", ch);
91 sprintf(scratch, "0x%X", ch);
93 fprintf(stderr, "Duplicate key mappings:\n");
95 fprintf(stderr, " %s mapped to both %s and %s\n",
96 scratch, keyNames[used[ch]-1], keyNames[k]);
104 ExtFunc void WriteConf(void)
108 file_out = fopen(CONFIG_FILE, "w");
109 if (file_out == NULL)
110 die("Error writing config file");
112 fprintf(file_out, "### NETRIS %s Config file ###\n\n", version_string);
115 fprintf(stderr, "Wrote new game configuration to %s\n", CONFIG_FILE);
118 ExtFunc void HandleOption(char tag, char *value)
122 if (value && !strcasecmp(value, "0")) Game.ascii = 0;
132 case 'i': //speed (of level 1)
133 Game.initspeed = atof(value) * 1e6;
136 if ((Players[0].score.level = atof(value)) < 1)
137 Players[0].score.level = 1;
138 if (Players[0].score.level > 15)
139 Players[0].score.level = 15;
142 Players[0].team = atoi(value);
148 Players[i / 10].spy = i % 10;
153 Players[0].flags |= SCF_usingRobot;
156 case 'F': //fair robot
158 Players[0].flags |= SCF_fairRobot;
160 case 'd': //drop mode
161 if (value && !strcasecmp(value, "0")) Players[0].dropmode &= 254;
162 else Players[0].dropmode |= 1;
164 case 'D': //instadrop
165 if (value && !strcasecmp(value, "0")) Players[0].dropmode &= 253;
166 else Players[0].dropmode |= 2;
169 if (value && !strcasecmp(value, "1")) Game.color = 1;
173 if (value && !strcasecmp(value, "1")) Game.standout = 1;
174 else Game.standout = 0;
177 MapKeys(value); break;
189 ExtFunc void ReadConf(char *filename)
195 char tag[81], value[81];
197 file_in = fopen(filename, "r");
199 while (fgets(buf, 512, file_in) != NULL) {
200 if ((ch = strchr(buf, '#')))
201 *ch = '\0'; // truncate string from # char
202 for (i = strlen(buf)-1; i >= 0; i--)
203 if (buf[i] == ' ' || buf[i] == '\n' || buf[i] == '\t' || buf[i] == 13)
207 sscanf(buf, "%80[^= \t] = %80[^\n]", tag, value);
208 for (i = 0; options[i].name; i++){
209 if (!strcasecmp(options[i].name, tag)) {
210 HandleOption(options[i].val, value);
218 fprintf(stderr, "Unable to open config file %s.\n", filename);
223 ExtFunc int StartNewPiece(int scr, Shape *shape)
225 if (Players[scr].nextShape) {
226 Players[scr].curShape = Players[scr].nextShape;
227 Players[scr].nextShape = shape;
230 Players[scr].curShape = shape;
231 Players[scr].curY = Players[scr].boardVisible + 4;
232 Players[scr].curX = Players[scr].boardWidth / 2;
233 while (!ShapeVisible(Players[scr].curShape, scr,
234 Players[scr].curY, Players[scr].curX))
236 if (!ShapeFits(Players[scr].curShape, scr,
237 Players[scr].curY, Players[scr].curX))
239 PlotShape(Players[scr].curShape, scr,
240 Players[scr].curY, Players[scr].curX, 1, 1);
244 ExtFunc void checkPaused(void)
245 { //check whether anyone paused the game
248 paused = Game.started < 1;
249 for (i = 1; i < MAX_SCREENS; i++) if (Players[i].alive > 0)
250 paused |= Players[i].flags & SCF_paused;
251 if (paused) paused = 1;
254 ExtFunc void StartGame(void)
258 maxPlayer = lastadd = me;
260 Game.speed = Game.initspeed;
261 for (i = 1; i < Players[me].score.level; i++)
262 Game.speed /= SPEEDINC;
263 if (Game.speed < SPEEDMINIMUM)
264 Game.speed = SPEEDMINIMUM;
265 ResetBaseTime(); //reset timer
267 SetITimer(Game.speed, Game.speed);
268 Players[me].nextShape = ChooseOption(stdOptions);
269 for (i = 1; i < MAX_SCREENS; i++) {
270 Players[i].score.score = Players[i].score.drops
271 = Players[i].score.lines = Players[i].score.adds = 0;
274 } //reset all players
277 ExtFunc void OneGame(void)
280 int linesCleared, changed = 0;
288 int linevalues[4] = { 40, 100, 400, 1200 }; //= 50*lines! - 10*(lines==1)
289 char teams[10][7] = { "", "Green", "Cyan", "Blue", "Purple",
290 "Red", "Grey", "White", "*Orange" };
296 RobotCmd(0, "GameType %s\n", gameNames[game]);
297 RobotCmd(0, "BoardSize 0 %d %d\n",
298 Players[me].boardVisible, Players[me].boardWidth);
299 for (i = 1; i < MAX_SCREENS; i++)
300 if ((Players[i].alive >= 0) && (i != me)) {
301 RobotCmd(0, "BoardSize %d %d %d\n",
302 counter, Players[i].boardVisible, Players[i].boardWidth);
303 RobotCmd(0, "Opponent %d %s %s\n",
304 counter, Players[i].name, Players[i].host);
305 if (Players[i].flags & SCF_usingRobot)
306 RobotCmd(0, "OpponentFlag %d robot\n", i);
307 if (Players[i].flags & SCF_fairRobot)
308 RobotCmd(0, "OpponentFlag %d fairRobot\n", i);
311 RobotCmd(0, "TickLength %.3f\n", Game.speed / 1.0e6);
312 RobotCmd(0, "BeginGame\n");
317 if (Players[me].alive > 0) {
318 if (!StartNewPiece(me, ChooseOption(stdOptions))) {
320 Players[me].alive = 0;
321 if (lastadd == me) Messagef("\\%dYou died",
322 Players[me].team > 7 ? 7 : Players[me].team);
323 else Messagef("\\%d%s fragged you",
324 Players[lastadd].team > 7 ? 7 : Players[lastadd].team,
325 Players[lastadd].name);
326 if (game == GT_classicTwo)
327 SendPacket(me, NP_argghhh, sizeof(lastadd), &lastadd);
332 ShowScore(me, Players[me].score);
333 if (robotEnable && !fairRobot)
334 RobotCmd(1, "NewPiece %d\n", ++pieceCount);
339 shapeNum = ShapeToNetNum(Players[me].curShape);
340 data[0] = hton2(shapeNum);
341 SendPacket(me, NP_newPiece, sizeof(data), data);
346 for (i = 1; i < MAX_SCREENS; i++)
347 if (Players[i].alive > 0 && Players[i].spy)
348 changed |= RefreshBoard(i);
350 if (!paused) ShowTime();
355 for (i = 1; i < MAX_SCREENS; i++)
356 if (Players[i].alive >= 0) playercount++;
357 if (playercount < 1) goto gameOver;
359 switch (WaitMyEvent(&event, EM_any)) {
361 if (!paused && Players[me].alive > 0)
362 if (!MovePiece(me, -1, 0))
365 SendPacket(me, NP_down, 0, NULL);
368 Messagef("key: %d", event.u.key);
369 p = strchr(keyTable, tolower(event.u.key));
372 RobotCmd(1, "UserKey %d %s\n",
373 (int)(unsigned char)event.u.key,
374 p ? keyNames[key] : "?");
376 } //let robot handle keypress
379 if (Players[me].alive <= 0 && key != KT_quit) break;
380 if (paused && key < KT_pause) break;
383 if (MovePiece(me, 0, -1) && spied)
384 SendPacket(me, NP_left, 0, NULL);
387 if (MovePiece(me, 0, 1) && spied)
388 SendPacket(me, NP_right, 0, NULL);
391 if (RotatePiece(me, 0) && spied)
392 SendPacket(me, NP_rotleft, 0, NULL);
395 if (RotatePiece(me, 1) && spied)
396 SendPacket(me, NP_rotright, 0, NULL);
399 SetITimer(Game.speed, Game.speed);
400 if (MovePiece(me, -1, 0)) {
401 if (spied) SendPacket(me, NP_down, 0, NULL);
406 SetITimer(Game.speed, Game.speed);
408 if (spied) SendPacket(me, NP_drop, 0, NULL);
409 if (Players[me].dropmode == 2) goto nextPiece;
412 dropMode = Players[me].dropmode;
415 if (game != GT_onePlayer)
417 if ((Game.speed /= SPEEDINC) < SPEEDMINIMUM)
418 Game.speed = SPEEDMINIMUM;
419 SetITimer(Game.speed, SetITimer(0, 0));
420 Players[me].score.level++;
421 ShowScore(me, Players[me].score);
425 Players[me].flags ^= SCF_paused;
426 if (Game.started > 1)
427 Messagef(Players[me].flags & SCF_paused
428 ? "You paused the game"
429 : "You unpaused the game");
431 Messagef(Players[me].flags & SCF_paused
432 ? "You are not ready" : "You are ready");
434 if (game == GT_classicTwo)
435 SendPacket(me, NP_pause, 0, NULL);
436 if (robotEnable) RobotCmd(1, "Pause %d\n", paused);
443 // ScheduleFullRedraw();
444 for (i = 1; i < MAX_SCREENS; i++)
445 if (Players[i].spy && Players[i].alive > 0)
454 if (dropMode && DropPiece(me) > 0) {
455 SetITimer(Game.speed, Game.speed);
457 SendPacket(me, NP_drop, 0, NULL);
464 cmd = event.u.robot.data;
465 if ((p = strchr(cmd, ' ')))
468 p = cmd + strlen(cmd);
469 for (key = 0; keyNames[key]; ++key)
470 if (!strcmp(keyNames[key], cmd) &&
471 (fairRobot || (1 == sscanf(p, "%d", &num) &&
474 if (!strcmp(cmd, "Message")) {
481 switch(event.u.net.type) {
487 FreezePiece(event.u.net.uid);
488 memcpy(data, event.u.net.data, sizeof(data));
489 shapeNum = ntoh2(data[0]);
490 StartNewPiece(event.u.net.uid,
491 NetNumToShape(shapeNum));
495 MovePiece(event.u.net.uid, -1, 0);
498 MovePiece(event.u.net.uid, 0, -1);
501 MovePiece(event.u.net.uid, 0, 1);
504 RotatePiece(event.u.net.uid, 0);
507 RotatePiece(event.u.net.uid, 1);
510 DropPiece(event.u.net.uid);
513 ClearFullLines(event.u.net.uid);
519 memcpy(data, event.u.net.data, sizeof(data));
520 InsertJunk(event.u.net.uid, ntoh2(data[0]),
523 } //player added junklines
529 if (Players[me].alive <= 0) break;
530 memcpy(data, event.u.net.data, sizeof(data[0]));
531 column = Random(0, Players[me].boardWidth);
532 data[1] = hton2(column);
533 Messagef("\\%d%s sends %d lines",
534 Players[event.u.net.uid].team > 7 ? 7
535 : Players[event.u.net.uid].team,
536 Players[event.u.net.uid].name, ntoh2(data[0]));
537 lastadd = event.u.net.uid;
538 InsertJunk(me, ntoh2(data[0]), column);
540 SendPacket(me, NP_insertJunk, sizeof(data),
543 } //receive junklines
548 Messagef("The game has started");
549 for (i = 1; i < MAX_SCREENS; i++)
550 if (Players[i].alive > 0) ShowPause(i);
555 if (Game.started > 1)
556 Messagef("The game has ended");
558 memcpy(&Game.seed, event.u.net.data,
560 for (i = 1; i < MAX_SCREENS; i++)
561 if (Players[i].alive >= 0) {
562 Players[i].alive = 1;
563 Players[i].flags |= SCF_paused;
565 StartGame(); //reset everything
566 ShowTime(); //redraw timer while unpaused
567 checkPaused(); //pause
568 oldPaused = 0; //reset pause
574 if (event.u.net.uid > maxPlayer)
575 maxPlayer = event.u.net.uid;
576 memcpy(&Players[event.u.net.uid],
577 event.u.net.data, event.u.net.size);
578 ClearField(event.u.net.uid);
579 if (Players[event.u.net.uid].team > 7)
580 Messagef("%s joined the game",
581 Players[event.u.net.uid].name);
583 Messagef("%s joined %s team",
584 Players[event.u.net.uid].name,
585 teams[Players[event.u.net.uid].team]);
586 if (Players[event.u.net.uid].flags & SCF_paused) {
589 RobotCmd(1, "Pause %d\n", paused);
590 } //player has paused
591 DrawField(event.u.net.uid);
592 // ShowPause(event.u.net.uid);
600 Players[event.u.net.uid].flags ^= SCF_paused;
601 if (Game.started > 1)
603 Players[event.u.net.uid].flags & SCF_paused
604 ? "paused the game" : "unpaused the game");
607 Players[event.u.net.uid].flags & SCF_paused
608 ? "is not ready" : "is ready");
610 Players[event.u.net.uid].name, s);
612 if (robotEnable) RobotCmd(1, "Pause %d\n", paused);
613 ShowPause(event.u.net.uid);
621 Players[event.u.net.uid].alive = -1;
623 Players[event.u.net.uid].name);
625 ShowPause(event.u.net.uid);
632 memcpy(&i, event.u.net.data, sizeof(i));
633 Players[event.u.net.uid].alive = 0;
634 if (i == me) Messagef("\\%dYou fragged %s",
635 Players[me].team > 7 ? 7 : Players[me].team,
636 Players[event.u.net.uid].name);
637 else if (i == event.u.net.uid)
638 Messagef("\\%d%s died",
639 Players[i].team > 7 ? 7 : Players[i].team,
641 else Messagef("\\%d%s fragged %s",
642 Players[i].team > 7 ? 7 : Players[i].team,
644 Players[event.u.net.uid].name);
646 ShowPause(event.u.net.uid);
660 if (paused != oldPaused) {
663 pauseTimeLeft = SetITimer(0, 0);
666 SetITimer(Game.speed, pauseTimeLeft);
675 Players[me].score.drops++;
676 Players[me].score.score++;
677 if ((linesCleared = ClearFullLines(me)) > 0) {
678 if (game == GT_onePlayer)
679 if ((Players[me].score.lines / 10) <
680 ((Players[me].score.lines + linesCleared) / 10)) {
681 if ((Game.speed /= SPEEDINC) < SPEEDMINIMUM)
682 Game.speed = SPEEDMINIMUM;
683 SetITimer(Game.speed, SetITimer(0, 0));
684 Players[me].score.level++;
686 Players[me].score.score += linevalues[linesCleared - 1];
687 Players[me].score.lines += linesCleared;
688 Players[me].score.adds += linesCleared - (linesCleared < 4);
690 SendPacket(me, NP_clear, 0, NULL);
692 if (game == GT_classicTwo && linesCleared > 1) {
696 junkLines = linesCleared - (linesCleared < 4);
697 data[0] = hton2(junkLines);
698 SendPacket(me, NP_giveJunk, sizeof(data), data);
699 Messagef("\\%dYou sent %d lines",
700 Players[me].team > 7 ? 7 : Players[me].team, junkLines);
701 } //send junk to others
707 ExtFunc void CatchInt(int sig)
709 siglongjmp(close_env, 1);
712 ExtFunc int main(int argc, char **argv)
717 Game.standout = Game.color = 1;
718 Game.initspeed = DEFAULT_INTERVAL;
719 MapKeys(DEFAULT_KEYS);
724 for (i = 0; i < MAX_SCREENS; i++) {
725 Players[i].alive = -1;
726 Players[i].score.level = Players[i].spy = 1;
727 Players[i].boardWidth = 10;
728 Players[i].boardHeight = MAX_BOARD_HEIGHT;
729 Players[i].boardVisible = 20;
730 strcpy(Players[i].name, "???");
733 if (!(userName = getenv("LOGNAME")) || !userName[0])
734 if (!(userName = getenv("USER")) || !userName[0])
735 userName = "Anonymous";
736 strncpy(Players[0].name, userName, 16); //sizeof(Player.name)
737 Players[0].name[16] = 0;
738 Players[0].alive = 1;
741 // if (getopt(argc, argv, "f:") == 'f')
744 ReadConf(CONFIG_FILE);
745 while ((ch = getopt_long(argc, argv,
746 "hHRr:Fk:c:odDSCap:i:l:t:", options, NULL)) != -1)
747 HandleOption(ch, optarg);
752 if (fairRobot && !robotEnable)
753 fatal("You can't use the -F option without the -r option");
756 if (sigsetjmp(close_env, 1))
758 signal(SIGINT, CatchInt); //handle exit (^C)
759 InitScreens(); //setup screen
762 game = GT_classicTwo;
764 InitiateConnection(hostStr, port);
775 memcpy(&Players[me], &Players[0], sizeof(Player));