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.
19 * $Id: curses.c,v 1.33 1999/05/16 06:56:25 mhw Exp $
23 #include <sys/types.h>
29 #ifdef NCURSES_VERSION
40 { BT_white, COLOR_WHITE },
41 { BT_blue, COLOR_BLUE },
42 { BT_magenta, COLOR_MAGENTA },
43 { BT_cyan, COLOR_CYAN },
44 { BT_yellow, COLOR_YELLOW },
45 { BT_green, COLOR_GREEN },
46 { BT_red, COLOR_RED },
51 static void PlotBlock1(int scr, int y, int x, BlockType type);
52 static MyEventType KeyGenFunc(EventGenRec *gen, MyEvent *event);
54 static EventGenRec keyGen =
55 { NULL, 0, FT_read, STDIN_FILENO, KeyGenFunc, EM_key };
57 static int boardYPos[MAX_SCREENS], boardXPos[MAX_SCREENS];
58 static int statusYPos, statusXPos;
60 static int screens_dirty = 0;
62 static char *term_vi; /* String to make cursor invisible */
63 static char *term_ve; /* String to make cursor visible */
65 ExtFunc void InitScreens(void)
72 * Block signals while initializing curses. Otherwise a badly timed
73 * Ctrl-C during initialization might leave the terminal in a bad state.
75 BlockSignals(&oldMask, SIGINT, 0);
87 haveColor = colorEnable && has_colors();
93 for (i = 0; myColorTable[i].type != BT_none; ++i)
94 init_pair(myColorTable[i].type, COLOR_BLACK,
95 myColorTable[i].color);
101 AtExit(CleanupScreens);
103 RestoreSignals(NULL, &oldMask);
107 OutputTermStr(term_vi, 0);
108 AddEventGen(&keyGen);
112 addstr(version_string);
113 addstr(" (C) 1994-1996,1999 Mark H. Weaver "
114 "\"netris -h\" for more info");
119 ExtFunc void CleanupScreens(void)
122 RemoveEventGen(&keyGen);
124 OutputTermStr(term_ve, 1);
129 ExtFunc void GetTermcapInfo(void)
131 char *term, *buf, *data;
134 if (!(term = getenv("TERM")))
136 if (tgetent(scratch, term) == 1) {
138 * Make the buffer HUGE, since tgetstr is unsafe.
139 * Allocate it on the heap too.
141 data = buf = malloc(bufSize);
144 * There is no standard include file for tgetstr, no prototype
145 * definitions. I like casting better than using my own prototypes
146 * because if I guess the prototype, I might be wrong, especially
147 * with regards to "const".
149 term_vi = (char *)tgetstr("vi", &data);
150 term_ve = (char *)tgetstr("ve", &data);
152 /* Okay, so I'm paranoid; I just don't like unsafe routines */
153 if (data > buf + bufSize)
154 fatal("tgetstr overflow, you must have a very sick termcap");
156 /* Trim off the unused portion of buffer */
157 buf = realloc(buf, data - buf);
161 * If that fails, use hardcoded vt220 codes.
162 * They don't seem to do anything bad on vt100's, so
163 * we'll try them just in case they work.
165 if (!term_vi || !term_ve) {
166 static char *vts[] = {
167 "vt100", "vt101", "vt102",
168 "vt200", "vt220", "vt300",
169 "vt320", "vt400", "vt420",
170 "screen", "xterm", NULL };
173 for (i = 0; vts[i]; i++)
174 if (!strcmp(term, vts[i]))
176 term_vi = "\033[?25l";
177 term_ve = "\033[?25h";
181 if (!term_vi || !term_ve)
182 term_vi = term_ve = NULL;
185 ExtFunc void OutputTermStr(char *str, int flush)
194 ExtFunc void InitScreen(int scr)
201 boardXPos[scr] = boardXPos[scr - 1] +
202 2 * boardWidth[scr - 1] + 3;
204 if (statusXPos < boardXPos[scr] + 2 * boardWidth[scr] + 3)
205 statusXPos = boardXPos[scr] + 2 * boardWidth[scr] + 3;
206 for (y = boardVisible[scr] - 1; y >= 0; --y) {
207 move(boardYPos[scr] - y, boardXPos[scr] - 1);
209 for (x = boardWidth[scr] - 1; x >= 0; --x)
211 move(boardYPos[scr] - y, boardXPos[scr] + 2 * boardWidth[scr]);
214 for (y = boardVisible[scr]; y >= -1; y -= boardVisible[scr] + 1) {
215 move(boardYPos[scr] - y, boardXPos[scr] - 1);
217 for (x = boardWidth[scr] - 1; x >= 0; --x)
223 ExtFunc void CleanupScreen(int scr)
227 static void PlotBlock1(int scr, int y, int x, BlockType type)
229 int colorIndex = abs(type);
231 move(boardYPos[scr] - y, boardXPos[scr] + 2 * x);
241 attrset(COLOR_PAIR(colorIndex));
247 addstr(type > 0 ? "[]" : "$$");
252 ExtFunc void PlotBlock(int scr, int y, int x, BlockType type)
254 if (y >= 0 && y < boardVisible[scr] && x >= 0 && x < boardWidth[scr])
255 PlotBlock1(scr, y, x, type);
258 ExtFunc void PlotUnderline(int scr, int x, int flag)
260 move(boardYPos[scr] + 1, boardXPos[scr] + 2 * x);
261 addstr(flag ? "==" : "--");
264 ExtFunc void ShowDisplayInfo(void)
266 move(statusYPos - 3, statusXPos);
267 printw("Won: %3d", won);
268 move(statusYPos - 2, statusXPos);
269 printw("Lost: %3d", lost);
271 move(statusYPos - 1, statusXPos);
273 case STATE_WAIT_CONNECTION:
274 addstr("Waiting for opponent... ");
276 case STATE_WAIT_KEYPRESS:
277 addstr("Press the key for a new game.");
283 move(statusYPos - 9, statusXPos);
284 printw("Seed: %d", initSeed);
286 move(statusYPos - 8, statusXPos);
287 printw("Speed: %dms", speed / 1000);
290 move(statusYPos - 6, statusXPos);
292 addstr("Controlled by a fair robot");
294 addstr("Controlled by a robot");
297 if (opponentFlags & SCF_usingRobot) {
298 move(statusYPos - 5, statusXPos);
299 if (opponentFlags & SCF_fairRobot)
300 addstr("The opponent is a fair robot");
302 addstr("The opponent is a robot");
307 ExtFunc void UpdateOpponentDisplay(void)
310 printw("Playing %s@%s", opponentName, opponentHost);
314 ExtFunc void ShowPause(int pausedByMe, int pausedByThem)
316 move(statusYPos - 3, statusXPos);
318 addstr("Game paused by opponent");
321 move(statusYPos - 2, statusXPos);
323 addstr("Game paused by you");
328 ExtFunc void Message(char *s)
332 move(statusYPos - 20 + line, statusXPos);
333 addstr(s); /* XXX Should truncate long lines */
335 line = (line + 1) % 10;
336 move(statusYPos - 20 + line, statusXPos);
340 ExtFunc void RefreshScreen(void)
342 static char timeStr[2][32];
346 strftime(timeStr[0], 30, "%I:%M %p", localtime(&theTime));
347 /* Just in case the local curses library sucks */
348 if (strcmp(timeStr[0], timeStr[1]))
350 move(statusYPos, statusXPos);
352 strcpy(timeStr[1], timeStr[0]);
354 move(boardYPos[0] + 1, boardXPos[0] + 2 * boardWidth[0] + 1);
358 ExtFunc void ScheduleFullRedraw(void)
363 static MyEventType KeyGenFunc(EventGenRec *gen, MyEvent *event)
365 if (MyRead(gen->fd, &event->u.key, 1))