2 * Netris -- A free networked version of T*tris
3 * Copyright (C) 1994-1996,1999 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.
22 #include <sys/types.h>
34 #ifdef NCURSES_VERSION
38 static MyEventType KeyGenFunc(EventGenRec *gen, MyEvent *event);
39 static EventGenRec keyGen = {
40 NULL, 0, FT_read, STDIN_FILENO, KeyGenFunc, EM_key
43 static int boardYPos[MAX_SCREENS], boardXPos[MAX_SCREENS];
44 static int boardSize[MAX_SCREENS];
46 static int statusYPos, statusXPos;
47 static int messageYPos, messageXPos, messageHeight, messageWidth;
50 int PlayerDisp[MAX_SCREENS];
52 #define MSG_HEIGHT 64 //max history
53 char *message[MSG_HEIGHT];
54 char messages[MSG_HEIGHT][MSG_WIDTH];
56 static char *term_vi; /* String to make cursor invisible */
57 static char *term_ve; /* String to make cursor visible */
59 void InitScreens(void)
66 * Block signals while initializing curses. Otherwise a badly timed
67 * Ctrl-C during initialization might leave the terminal in a bad state.
69 BlockSignals(&oldMask, SIGINT, 0);
70 initscr(); //start curses
81 haveColor = Sets.color && has_colors();
87 { BT_T, COLOR_WHITE },
89 { BT_O, COLOR_MAGENTA },
91 { BT_J, COLOR_YELLOW },
92 { BT_S, COLOR_GREEN },
99 if (can_change_color()) {
100 init_color (COLOR_YELLOW, 1000, 1000, 0);
101 } //I've never worked on a color-changable terminal, so no idea..
102 for (i = 0; myColorTable[i].type != BT_none; ++i)
103 init_pair(myColorTable[i].type, COLOR_BLACK,
104 myColorTable[i].color);
110 AtExit(CleanupScreens); //restore everything when done
111 RestoreSignals(NULL, &oldMask);
113 cbreak(); //no line buffering
115 // keypad(stdscr, TRUE); //get arrow/functionkeys 'n stuff
116 OutputTermStr(term_vi, 0);
117 AddEventGen(&keyGen); //key handler
118 signal(SIGWINCH, CatchWinCh); //handle window resize
119 // ioctl(STDIN_FILENO, KDSKBMODE, K_MEDIUMRAW);
120 standend(); //normal text
122 memset(messages, 0, sizeof(messages)); //empty messages
125 for (i = 0; i<MSG_HEIGHT; i++)
126 message[i] = messages[i]; //set pointers
130 void CleanupScreens(void)
132 RemoveEventGen(&keyGen);
133 endwin(); //end curses
134 OutputTermStr(term_ve, 1);
137 void GetTermcapInfo(void)
139 char *term, *buf, *data;
143 if (!(term = getenv("TERM")))
145 if (tgetent(scratch, term) == 1) {
147 * Make the buffer HUGE, since tgetstr is unsafe.
148 * Allocate it on the heap too.
150 data = buf = malloc(bufSize);
153 * There is no standard include file for tgetstr, no prototype
154 * definitions. I like casting better than using my own prototypes
155 * because if I guess the prototype, I might be wrong, especially
156 * with regards to "const".
158 term_vi = (char *)tgetstr("vi", &data);
159 term_ve = (char *)tgetstr("ve", &data);
161 /* Okay, so I'm paranoid; I just don't like unsafe routines */
162 if (data > buf + bufSize)
163 fatal("tgetstr overflow, you must have a very sick termcap");
165 /* Trim off the unused portion of buffer */
166 buf = realloc(buf, data - buf);
170 * If that fails, use hardcoded vt220 codes.
171 * They don't seem to do anything bad on vt100's, so
172 * we'll try them just in case they work.
174 if (!term_vi || !term_ve) {
175 static char *vts[] = {
176 "vt100", "vt101", "vt102",
177 "vt200", "vt220", "vt300",
178 "vt320", "vt400", "vt420",
179 "screen", "xterm", NULL
183 for (i = 0; vts[i]; i++)
184 if (!strcmp(term, vts[i])) {
185 term_vi = "\033[?25l";
186 term_ve = "\033[?25h";
190 if (!term_vi || !term_ve)
191 term_vi = term_ve = NULL;
194 void OutputTermStr(char *str, int flush)
198 if (flush) fflush(stdout);
212 getmaxyx(stdscr, rows, cols);
213 s = malloc(cols + 1);
214 sprintf(s, " " MSG_TITLE " %s", version_string);
215 const int titlelen = strlen(s);
216 memset(&s[titlelen], ' ', cols - titlelen); // pad
217 if (cols > titlelen + 1 + strlen(MSG_TITLESUB))
218 memcpy(&s[cols - 1 - strlen(MSG_TITLESUB)], MSG_TITLESUB, sizeof(MSG_TITLESUB) - 1);
219 memcpy(&s[cols], "\0", 1);
222 standend(); //normal text
225 void DrawBox(int x1, int y1, int x2, int y2)
229 for (y = y1 + 1; y < y2; y++) {
230 mvaddch(y, x1, Sets.ascii ? '|' : ACS_VLINE); //left
231 mvaddch(y, x2, Sets.ascii ? '|' : ACS_VLINE); //right
232 } //draw vertical lines
234 addch(Sets.ascii ? '+' : ACS_ULCORNER);
235 for (x = x1 + 1; x < x2; x++)
236 addch(Sets.ascii ? '-' : ACS_HLINE);
237 addch(Sets.ascii ? '+' : ACS_URCORNER);
238 move(y2, x1); //bottom
239 addch(Sets.ascii ? '+' : ACS_LLCORNER);
240 for (x = x1 + 1; x < x2; x++)
241 addch(Sets.ascii ? '-' : ACS_HLINE);
242 addch(Sets.ascii ? '+' : ACS_LRCORNER);
245 void DrawField(int scr)
246 { //draw field for player scr
247 if (!PlayerDisp[scr]) return;
248 DrawBox(boardXPos[scr] - 1, boardYPos[scr] - Players[scr].boardVisible,
249 boardXPos[scr] + boardSize[scr] * Players[scr].boardWidth, boardYPos[scr] + 1);
251 char s[boardSize[scr]*Players[scr].boardWidth+1];
253 if (Players[scr].host && Players[scr].host[0])
254 snprintf(s, sizeof(s), " %s <%s> ",
255 Players[scr].name, Players[scr].host);
256 else snprintf(s, sizeof(s), " %s ", Players[scr].name);
258 if (haveColor && Players[scr].team > 0 && Players[scr].team <= 7)
259 attrset(A_REVERSE | COLOR_PAIR(Players[scr].team + 1));
260 mvaddstr(1, boardXPos[scr], s);
261 if (haveColor) standend();
262 } //display playername/host
266 for (y = 0; y <= Players[scr].boardVisible; y++)
267 for (x = 0; x <= Players[scr].boardWidth; x++)
268 PlotBlock(scr, y, x, GetBlock(scr, y, x));
274 void InitFields(void)
275 { //calculate positions of all fields
282 getmaxyx(stdscr, y, x);
287 statusXPos = boardSize[me] * Players[me].boardWidth + 3;
289 ShowScore(me, Players[me].score);
293 messageWidth = MIN(x - messageXPos - 2, MSG_WIDTH);
294 messageHeight = MIN(y - messageYPos - 1, MSG_HEIGHT);
295 if (messageHeight < 3) {
296 messageWidth = MIN(x - statusXPos - 18, 27);
297 messageHeight = y - 3;
298 messageXPos = statusXPos + 16;
300 } //messagebox doesn't fit below
301 DrawBox(messageXPos - 2, messageYPos - 1,
302 messageXPos + messageWidth + 1, messageYPos+messageHeight);
303 if (msgwin = subwin(stdscr, messageHeight, messageWidth,
304 messageYPos, messageXPos))
305 scrollok(msgwin, 1); //allow scrolling
306 wmove(msgwin, messageHeight - 2, 0);
307 for (scr = messageHeight - 2; scr >= 0; scr--) //display message history
308 DisplayMessage(message[scr]);
311 for (scr = 1; scr <= maxPlayer; scr++)
312 spaceavail -= Players[scr].boardWidth+2;
314 for (scr = 1; scr < MAX_SCREENS; scr++) if (scr != me) {
317 boardXPos[prevscr] + 2 + boardSize[prevscr] * Players[prevscr].boardWidth;
319 boardXPos[scr] += 15; //scorebar
320 if (messageYPos < 24)
321 boardXPos[scr] += messageWidth + 4; //messagebox
322 spaceavail -= boardXPos[scr] - 3;
323 } //stuff before second player
324 if (spaceavail >= 0) {
326 spaceavail -= Players[scr].boardWidth;
327 } //not enough space, half width
330 if (x < boardXPos[scr] + 1 + boardSize[scr] * Players[scr].boardWidth)
331 PlayerDisp[scr] = 0; //field doesn't fit on screen
336 for (scr = 1; scr <= maxPlayer; scr++)
340 void DisplayMessage(char *p)
346 memcpy(s, p, sizeof(s)-1);
349 while (psearch = strchr(p, '\\')) {
352 c = atoi(++psearch) + 1;
353 if (haveColor) wattrset(msgwin, A_REVERSE | COLOR_PAIR(c));
355 } //search for color escapes (\)
357 if (haveColor) wstandend(msgwin);
358 waddch(msgwin, '\n');
361 void Message(char *fmt, ...)
362 { //print game/bot message
368 if (!messageHeight) return;
370 vsnprintf(s, sizeof(s), fmt, args);
372 p = message[MSG_HEIGHT - 1]; //save last pointer
373 for (i = MSG_HEIGHT - 1; i > 0; i--)
374 message[i] = message[i - 1]; //scroll history
378 wmove(msgwin, messageHeight - 1, 0);
384 void Messagetype(char c, int x, char *s)
385 { //show single typed character
387 mvwaddch(msgwin, messageHeight-1, (x+1) % (messageWidth-1), ' ');
390 if (c == 13 || c == 127) //enter/backspace
391 mvwaddch(msgwin, messageHeight - 1, (x+2) % (messageWidth-1),
392 x >= messageWidth-3 ? s[x - messageWidth + 3] : ' ');
394 mvwaddch(msgwin, messageHeight - 1, x % (messageWidth-1), c);
395 mvwaddch(msgwin, messageHeight - 1, (x+1) % (messageWidth-1), '_');
400 void PlotBlock1(int y, int x, unsigned char type)
401 { //display block on screen
403 if (type == BT_none) addstr(" ");
404 else if (type == BT_shadow) addstr("::");
408 if (haveColor) attrset(COLOR_PAIR(type & 15));
409 else attrset(A_REVERSE);
412 switch (Sets.drawstyle) {
414 switch (type & 192) {
415 case 64: //right neighbour
421 } //horizontal stickiness
422 break; //ascii horizontally grouped
424 switch (type & 240) {
426 addstr("||"); break; //middle
427 case 64: case 80: case 96:
428 addstr("[="); break; //left end
431 case 128: case 144: case 160:
432 addstr("=]"); break; //right end
435 case 192: case 208: case 224:
438 addstr("[]"); break; //top/bottom/mid
440 break; //ascii semi-grouped
442 switch (type & 240) {
443 case 16: addch(ACS_ULCORNER); addch(ACS_URCORNER); break;//top end
444 case 32: addch(ACS_LLCORNER); addch(ACS_LRCORNER); break;//bottom end
445 case 48: addch(ACS_VLINE); addch(ACS_VLINE); break; //vertical middle
446 case 64: addch('['); addch(ACS_HLINE); break; //left end
447 case 80: addch(ACS_ULCORNER); addch(ACS_TTEE); break; //top left corner
448 case 96: addch(ACS_LLCORNER); addch(ACS_BTEE); break; //bottom left corner
449 case 112: addch(ACS_LTEE); addch(ACS_PLUS); break; //vertical+right
450 case 128: addch(ACS_HLINE); addch(']'); break; //right end
451 case 144: addch(ACS_TTEE); addch(ACS_URCORNER); break; //top right corner
452 case 160: addch(ACS_BTEE); addch(ACS_LRCORNER); break; //bottom right corner
453 case 176: addch(ACS_PLUS); addch(ACS_RTEE); break; //vertical+left
454 case 192: addch(ACS_HLINE); addch(ACS_HLINE); break; //horizontal middle
455 case 208: addch(ACS_TTEE); addch(ACS_TTEE); break; //horizontal+down
456 case 224: addch(ACS_BTEE); addch(ACS_BTEE); break; //horizontal+up
457 default: addstr("[]"); break;
459 break; //curses grouped
462 break; //ascii non-grouped
465 if (Sets.standout) standend();
467 } //display one brick
469 void PlotBlock1S(int y, int x, unsigned char type)
470 { //display block small
472 if (type == BT_none) addch(' ');
473 else if (type == BT_shadow) addch(':');
478 attrset(COLOR_PAIR(type & 15));
479 else attrset(A_REVERSE);
482 if ((type & 192) == 64)
484 else if ((type & 192) == 128)
489 if (Sets.standout) standend();
491 } //display one brick
493 void PlotBlock(int scr, int y, int x, unsigned char type)
495 if (y >= 0 && y < Players[scr].boardVisible
496 && x >= 0 && x < Players[scr].boardWidth) {
497 if (boardSize[scr] > 1)
498 PlotBlock1(boardYPos[scr] - y, boardXPos[scr] + 2*x, type);
500 PlotBlock1S(boardYPos[scr] - y, boardXPos[scr] + x, type);
503 void PlotBlockXY(int y, int x, unsigned char type)
504 { //Draw block at specified position on screen (not on field)
505 PlotBlock1(20 - y, 2 * x, type);
508 void ShowScore(int scr, struct _Score score)
512 mvaddstr(13, statusXPos, MSG_NEXT " ");
513 mvaddstr(14, statusXPos + 5, " ");
514 ShapeIterate(Players[scr].nextShape, scr, 8,
515 statusXPos/2 + (Players[scr].nextShape/4 == 5 ? 3 : 4),
516 GlanceFunc); //draw; stick one more to the left
517 mvprintw(3, statusXPos, MSG_LEVEL, score.level);
518 mvprintw(5, statusXPos, MSG_SCORE, score.score);
519 mvprintw(6, statusXPos, MSG_LINES, score.lines);
520 timer = CurTimeval() / 1e6;
522 mvprintw(9, statusXPos, MSG_PPM, score.pieces * 60 / timer);
523 if (score.lines > 0) {
524 mvprintw(7, statusXPos, MSG_YIELD, 100 * score.adds / score.lines);
525 mvprintw(10, statusXPos, MSG_APM, score.adds * 60 / timer);
530 for (i = 7; i <= 10; i++)
531 mvaddstr(i, statusXPos, " ");
532 } //too early to display stats, remove old..
535 void FieldMessage(int playa, char *message)
536 { //put a message over playa's field
537 if (!PlayerDisp[playa]) return;
539 char s[MAX_BOARD_WIDTH+1];
540 memset(s, ' ', MAX_BOARD_WIDTH);
541 memcpy(&s[(boardSize[playa] * Players[playa].boardWidth / 2) - (strlen(message) / 2)],
542 message, strlen(message));
543 s[boardSize[playa] * Players[playa].boardWidth] = 0;
549 mvprintw(boardYPos[playa] - Players[playa].boardVisible / 2,
550 boardXPos[playa], "%s", s);
555 y = Players[playa].boardVisible / 2;
556 for (x = 0; x <= Players[playa].boardWidth; x++)
557 PlotBlock(playa, y, x, GetBlock(playa, y, x));
561 void ShowPause(int playa)
562 { //put paused over player's field
563 if (Players[playa].alive > 0)
564 if (Players[playa].flags & SCF_paused)
565 if (Game.started > 1)
566 FieldMessage(playa, boardSize[playa] > 1 ? "P A U S E D" : "PAUSED");
569 boardSize[playa] > 1 ? "N O T R E A D Y" : "NOT READY");
571 if (Game.started > 1)
572 FieldMessage(playa, NULL);
574 FieldMessage(playa, boardSize[playa] > 1 ? "R E A D Y" : "READY");
575 else if (!Players[playa].alive)
577 boardSize[playa] > 1 ? "G A M E O V E R" : "GAME OVER");
579 FieldMessage(playa, boardSize[playa] > 1 ? "E M P T Y" : "EMPTY");
585 mvprintw(statusYPos, statusXPos, "timer %7.0f ", CurTimeval() / 1e6);
588 void ScheduleFullRedraw(void)
593 void CatchWinCh(int sig)
594 { //handle window resize
595 endwin(); //exit curses
596 refresh(); //and reinit display (with different sizes)
597 InitFields(); //manually redraw everything
601 static MyEventType KeyGenFunc(EventGenRec *gen, MyEvent *event)
603 if (MyRead(gen->fd, &event->u.key, 1))