1 /* File: main-gcu.c */
4 * Copyright (c) 1997 Ben Harrison, and others
6 * This software may be copied and distributed for educational, research,
7 * and not for profit purposes provided that this copyright and statement
8 * are included in all such copies.
11 /* Purpose: Allow use of Unix "curses" with Angband -BEN- */
14 * This file has been modified to use multiple text windows if your screen
15 * is larger than 80x25. By Keldon Jones (keldon@umr.edu).
17 * Also included is Keldon Jones patch to get better colors. To switch to
18 * a term that supports this, see this posting:
20 * From keldon@umr.edu Thu Apr 01 05:40:14 1999
21 * Sender: KELDON JONES <keldon@saucer.cc.umr.edu>
22 * From: Keldon Jones <keldon@umr.edu>
23 * Subject: Re: Linux colour prob (Or: question for Greg)
24 * Newsgroups: rec.games.roguelike.angband
25 * References: <slrn7g1jlp.gj9.scarblac-spamtrap@flits104-37.flits.rug.nl> <3700f96b.1593384@news.polsl.gliwice.pl> <slrn7g36er.fm4.wooledge@jekyll.local>
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28 * X-NNTP-Posting-Host: saucer.cc.umr.edu
29 * Message-ID: <370306be.0@news.cc.umr.edu>
30 * Date: 1 Apr 99 05:40:14 GMT
31 * Organization: University of Missouri - Rolla
33 * Path: xs4all!xs4all!newsfeed.wirehub.nl!news-peer.gip.net!news.gsl.net!gip.net!news.he.net!mercury.cts.com!alpha.sky.net!news.missouri.edu!news.cc.umr.edu!not-for-mail
34 * Xref: xs4all rec.games.roguelike.angband:86332
36 * Greg Wooledge <wooledge@kellnet.com> wrote:
37 * > Gwidon S. Naskrent (naskrent@artemida.amu.edu.pl) wrote:
39 * > >On 30 Mar 1999 13:17:18 GMT, scarblac-spamtrap@pino.selwerd.cx (Remco
42 * > >>I recently switched to Linux, and *bands work fine. I like
43 * > >>to play them in consoles, not in X. However, colour is wrong.
44 * > >>"Slate" and "light slate" are always light blue, instead
45 * > >>of some shade of grey. Colours are fine in X.
47 * > I actually noticed the Linux console color issue a very long time ago,
48 * > but since I always play under X, I never really investigated it.
50 * > You're absolutely right, though -- the Linux console colors are not
51 * > "right" for Angband.
53 * I've noticed this myself, so I spent the evening fixing it.
54 * Well, sorta fixing it. It's not perfect yet, and it may not be
55 * possible to get it perfect with VGA hardware and/or the current
58 * > OK, reading on in terminfo(5):
61 * > Most color terminals are either `Tektronix-like' or `HP-
62 * > like'. Tektronix-like terminals have a predefined set of
63 * > N colors (where N usually 8), and can set character-cell
64 * > foreground and background characters independently, mixing
65 * > them into N * N color-pairs. On HP-like terminals, the
66 * > use must set each color pair up separately (foreground and
67 * > background are not independently settable). Up to M
68 * > color-pairs may be set up from 2*M different colors.
69 * > ANSI-compatible terminals are Tektronix-like.
71 * > The "linux" terminfo entry is definitely in the "Tektronix-like" family.
72 * > It has the "setaf" and "setab" capabilities for setting the foreground
73 * > and background colors to one of 8 basically hard-coded values:
75 * > Color #define Value RGB
76 * > black COLOR_BLACK 0 0, 0, 0
77 * > red COLOR_RED 1 max,0,0
78 * > green COLOR_GREEN 2 0,max,0
79 * > yellow COLOR_YELLOW 3 max,max,0
80 * > blue COLOR_BLUE 4 0,0,max
81 * > magenta COLOR_MAGENTA 5 max,0,max
82 * > cyan COLOR_CYAN 6 0,max,max
83 * > white COLOR_WHITE 7 max,max,max
85 * Well, not quite. Using certain escape sequences, an
86 * application (or better yet, curses) can redefine the colors (at
87 * least some of them) and then those are used. Read the
88 * curs_color manpage, and the part about "ccc" and "initc" in the
89 * terminfo manpage. This is what the part of main-gcu inside the
90 * "if (can_fix_color)" code does.
92 * > So, what does this mean to the Angband player? Well, it means that
93 * > either there's nothing you can do about the console colors as long as
94 * > straight curses/ncurses is used, or if there is something to be done,
95 * > I'm not clever enough to figure out how to do it.
97 * Well, it is possible, though you have to patch main-gcu
98 * and edit a terminfo entry. Apparently the relevant code in
99 * main-gcu was never tested (it's broken in at least one major
100 * way). Apply the patch at the end of this message (notice that
101 * we need to define REDEFINE_COLORS at some point near the
102 * beginning of the file).
103 * Next, write this termcap entry to a file:
105 * linux-c|linux console 1.3.6+ with private palette for each virtual console,
107 * colors#16, pairs#64,
108 * initc=\E]P%x%p1%{16}%/%02x%p1%{16}%/%02x%p1%{16}%/%02x,
112 * and run "tic" on it to produce a new terminfo entry called
113 * "linux-c". Especially note the "ccc" flag which says that we
114 * can redefine colors. The ugly "initc" string is what tells
115 * the console how to redefine a color. Now, just set your TERM
116 * variable to "linux-c" and try Angband again. If I've
117 * remembered to tell you everything that I've done, you should
118 * get the weird light-blue slate changed to a gray.
119 * Now, there are still lots of problems with this.
120 * Something (I don't think it's curses, either the kernel or
121 * the hardware itself) seems to be ignoring my color changes to
122 * colors 6 and 7, which is annoying. Also, the normal "white"
123 * color is now way too bright, but it's now necessary to
124 * distinguish it from the other grays.
125 * The kernel seems to support 16 colors, but you can
126 * only switch to 8 of those, due to VT102 compatibility, it
127 * seems. I think it would be possible to patch the kernel and
128 * allow all 16 colors to be used, but I haven't built up the
129 * nerve to try that yet.
130 * Let me know if you can improve on this any. Some of
131 * this may actually work differently on other hardware (ugh).
138 * To use this file, you must define "USE_GCU" in the Makefile.
140 * Hack -- note that "angband.h" is included AFTER the #ifdef test.
141 * This was necessary because of annoying "curses.h" silliness.
143 * Note that this file is not "intended" to support non-Unix machines,
144 * nor is it intended to support VMS or other bizarre setups.
146 * Also, this package assumes that the underlying "curses" handles both
147 * the "nonl()" and "cbreak()" commands correctly, see the "OPTION" below.
149 * This code should work with most versions of "curses" or "ncurses",
150 * and the "main-ncu.c" file (and USE_NCU define) are no longer used.
152 * See also "USE_CAP" and "main-cap.c" for code that bypasses "curses"
153 * and uses the "termcap" information directly, or even bypasses the
154 * "termcap" information and sends direct vt100 escape sequences.
156 * XXX XXX XXX Consider the use of "savetty()" and "resetty()".
167 * Hack -- play games with "bool"
172 * Include the proper "header" file
176 # include <ncurses.h>
181 typedef struct term_data term_data;
190 #define MAX_TERM_DATA 4
192 static term_data data[MAX_TERM_DATA];
196 * Hack -- try to guess which systems use what commands
197 * Hack -- allow one of the "USE_Txxxxx" flags to be pre-set.
198 * Mega-Hack -- try to guess when "POSIX" is available.
199 * If the user defines two of these, we will probably crash.
201 #if !defined(USE_TPOSIX)
202 # if !defined(USE_TERMIO) && !defined(USE_TCHARS)
203 # if defined(_POSIX_VERSION)
206 # if defined(USG) || defined(linux) || defined(SOLARIS)
216 * Hack -- Amiga uses "fake curses" and cannot do any of this stuff
225 * Try redefining the colors at startup.
227 #define REDEFINE_COLORS
235 # include <sys/ioctl.h>
236 # include <termios.h>
240 * One version needs this file
243 # include <sys/ioctl.h>
248 * The other needs this file
251 # include <sys/ioctl.h>
252 # include <sys/resource.h>
253 # include <sys/param.h>
254 # include <sys/file.h>
255 # include <sys/types.h>
263 * XXX XXX Hack -- POSIX uses "O_NONBLOCK" instead of "O_NDELAY"
265 * They should both work due to the "(i != 1)" test below.
268 # define O_NDELAY O_NONBLOCK
273 * OPTION: some machines lack "cbreak()"
274 * On these machines, we use an older definition
276 /* #define cbreak() crmode() */
280 * OPTION: some machines cannot handle "nonl()" and "nl()"
281 * On these machines, we can simply ignore those commands.
290 * Standard sound names
292 static const concptr angband_sound_name[SOUND_MAX] =
363 static concptr ANGBAND_DIR_XTRA_SOUND;
366 * Flag set once "sound" has been initialized
368 static bool can_use_sound = FALSE;
371 * An array of sound file names
373 static concptr sound_file[SOUND_MAX];
375 #endif /* USE_SOUND */
378 * Save the "normal" and "angband" terminal settings
383 static struct termios norm_termios;
385 static struct termios game_termios;
391 static struct termio norm_termio;
393 static struct termio game_termio;
399 static struct ltchars norm_speciax_chars;
400 static struct sgttyb norm_ttyb;
401 static struct tchars norm_tchars;
402 static int norm_locax_chars;
404 static struct ltchars game_speciax_chars;
405 static struct sgttyb game_ttyb;
406 static struct tchars game_tchars;
407 static int game_locax_chars;
414 * Hack -- Number of initialized "term" structures
416 static int active = 0;
423 * Hack -- define "A_BRIGHT" to be "A_BOLD", because on many
424 * machines, "A_BRIGHT" produces ugly "inverse" video.
427 # define A_BRIGHT A_BOLD
431 * Software flag -- we are allowed to use color
433 static int can_use_color = FALSE;
436 * Software flag -- we are allowed to change the colors
438 static int can_fix_color = FALSE;
441 * Simple Angband to Curses color conversion table
443 static int colortable[16];
450 * Place the "keymap" into its "normal" state
452 static void keymap_norm(void)
457 /* restore the saved values of the special chars */
458 (void)tcsetattr(0, TCSAFLUSH, &norm_termios);
464 /* restore the saved values of the special chars */
465 (void)ioctl(0, TCSETA, (char *)&norm_termio);
471 /* restore the saved values of the special chars */
472 (void)ioctl(0, TIOCSLTC, (char *)&norm_speciax_chars);
473 (void)ioctl(0, TIOCSETP, (char *)&norm_ttyb);
474 (void)ioctl(0, TIOCSETC, (char *)&norm_tchars);
475 (void)ioctl(0, TIOCLSET, (char *)&norm_locax_chars);
483 * Place the "keymap" into the "game" state
485 static void keymap_game(void)
490 /* restore the saved values of the special chars */
491 (void)tcsetattr(0, TCSAFLUSH, &game_termios);
497 /* restore the saved values of the special chars */
498 (void)ioctl(0, TCSETA, (char *)&game_termio);
504 /* restore the saved values of the special chars */
505 (void)ioctl(0, TIOCSLTC, (char *)&game_speciax_chars);
506 (void)ioctl(0, TIOCSETP, (char *)&game_ttyb);
507 (void)ioctl(0, TIOCSETC, (char *)&game_tchars);
508 (void)ioctl(0, TIOCLSET, (char *)&game_locax_chars);
516 * Save the normal keymap
518 static void keymap_norm_prepare(void)
523 /* Get the normal keymap */
524 tcgetattr(0, &norm_termios);
530 /* Get the normal keymap */
531 (void)ioctl(0, TCGETA, (char *)&norm_termio);
537 /* Get the normal keymap */
538 (void)ioctl(0, TIOCGETP, (char *)&norm_ttyb);
539 (void)ioctl(0, TIOCGLTC, (char *)&norm_speciax_chars);
540 (void)ioctl(0, TIOCGETC, (char *)&norm_tchars);
541 (void)ioctl(0, TIOCLGET, (char *)&norm_locax_chars);
549 * Save the keymaps (normal and game)
551 static void keymap_game_prepare(void)
556 /* Acquire the current mapping */
557 tcgetattr(0, &game_termios);
559 /* Force "Ctrl-C" to interupt */
560 game_termios.c_cc[VINTR] = (char)3;
562 /* Force "Ctrl-Z" to suspend */
563 game_termios.c_cc[VSUSP] = (char)26;
565 /* Hack -- Leave "VSTART/VSTOP" alone */
567 /* Disable the standard control characters */
568 game_termios.c_cc[VQUIT] = (char)-1;
569 game_termios.c_cc[VERASE] = (char)-1;
570 game_termios.c_cc[VKILL] = (char)-1;
571 game_termios.c_cc[VEOF] = (char)-1;
572 game_termios.c_cc[VEOL] = (char)-1;
574 /* Normally, block until a character is read */
575 game_termios.c_cc[VMIN] = 1;
576 game_termios.c_cc[VTIME] = 0;
582 /* Acquire the current mapping */
583 (void)ioctl(0, TCGETA, (char *)&game_termio);
585 /* Force "Ctrl-C" to interupt */
586 game_termio.c_cc[VINTR] = (char)3;
588 /* Force "Ctrl-Z" to suspend */
589 game_termio.c_cc[VSUSP] = (char)26;
591 /* Hack -- Leave "VSTART/VSTOP" alone */
593 /* Disable the standard control characters */
594 game_termio.c_cc[VQUIT] = (char)-1;
595 game_termio.c_cc[VERASE] = (char)-1;
596 game_termio.c_cc[VKILL] = (char)-1;
597 game_termio.c_cc[VEOF] = (char)-1;
598 game_termio.c_cc[VEOL] = (char)-1;
601 /* Disable the non-posix control characters */
602 game_termio.c_cc[VEOL2] = (char)-1;
603 game_termio.c_cc[VSWTCH] = (char)-1;
604 game_termio.c_cc[VDSUSP] = (char)-1;
605 game_termio.c_cc[VREPRINT] = (char)-1;
606 game_termio.c_cc[VDISCARD] = (char)-1;
607 game_termio.c_cc[VWERASE] = (char)-1;
608 game_termio.c_cc[VLNEXT] = (char)-1;
609 game_termio.c_cc[VSTATUS] = (char)-1;
612 /* Normally, block until a character is read */
613 game_termio.c_cc[VMIN] = 1;
614 game_termio.c_cc[VTIME] = 0;
620 /* Get the default game characters */
621 (void)ioctl(0, TIOCGETP, (char *)&game_ttyb);
622 (void)ioctl(0, TIOCGLTC, (char *)&game_speciax_chars);
623 (void)ioctl(0, TIOCGETC, (char *)&game_tchars);
624 (void)ioctl(0, TIOCLGET, (char *)&game_locax_chars);
626 /* Force suspend (^Z) */
627 game_speciax_chars.t_suspc = (char)26;
629 /* Cancel some things */
630 game_speciax_chars.t_dsuspc = (char)-1;
631 game_speciax_chars.t_rprntc = (char)-1;
632 game_speciax_chars.t_flushc = (char)-1;
633 game_speciax_chars.t_werasc = (char)-1;
634 game_speciax_chars.t_lnextc = (char)-1;
636 /* Force interupt (^C) */
637 game_tchars.t_intrc = (char)3;
639 /* Force start/stop (^Q, ^S) */
640 game_tchars.t_startc = (char)17;
641 game_tchars.t_stopc = (char)19;
643 /* Cancel some things */
644 game_tchars.t_quitc = (char)-1;
645 game_tchars.t_eofc = (char)-1;
646 game_tchars.t_brkc = (char)-1;
658 static errr Term_xtra_gcu_alive(int v)
663 /* Go to normal keymap mode */
671 /* Hack -- make sure the cursor is visible */
672 Term_xtra(TERM_XTRA_SHAPE, 1);
674 /* Flush the curses buffer */
678 /* this moves curses to bottom right corner */
679 mvcur(curscr->cury, curscr->curx, LINES - 1, 0);
681 /* this moves curses to bottom right corner */
682 mvcur(getcury(curscr), getcurx(curscr), LINES - 1, 0);
688 /* Flush the output */
689 (void)fflush(stdout);
696 /* (void)touchwin(curscr); */
697 /* (void)wrefresh(curscr); */
699 /* Restore the settings */
704 /* Go to angband keymap mode */
713 * Check for existance of a file
715 static bool check_file(concptr s)
720 if (!fff) return (FALSE);
733 static bool init_sound(void)
735 /* Initialize once */
743 /* Prepare the sounds */
744 for (i = 1; i < SOUND_MAX; i++)
746 /* Extract name of sound file */
747 sprintf(wav, "%s.wav", angband_sound_name[i]);
749 /* Access the sound */
750 path_build(buf, sizeof(buf), ANGBAND_DIR_XTRA_SOUND, wav);
752 /* Save the sound filename, if it exists */
753 if (check_file(buf)) sound_file[i] = string_make(buf);
756 /* Sound available */
757 can_use_sound = TRUE;
761 return (can_use_sound);
764 #endif /* USE_SOUND */
769 * Init the "curses" system
771 static void Term_init_gcu(term *t)
773 term_data *td = (term_data *)(t->data);
775 /* Count init's, handle first */
776 if (active++ != 0) return;
778 /* Erase the screen */
779 (void)wclear(td->win);
781 /* Reset the cursor */
782 (void)wmove(td->win, 0, 0);
785 (void)wrefresh(td->win);
793 * Nuke the "curses" system
795 static void Term_nuke_gcu(term *t)
797 term_data *td = (term_data *)(t->data);
799 /* Delete this window */
802 /* Count nuke's, handle last */
803 if (--active != 0) return;
805 /* Hack -- make sure the cursor is visible */
806 Term_xtra(TERM_XTRA_SHAPE, 1);
809 /* Reset colors to defaults */
814 /* This moves curses to bottom right corner */
815 mvcur(curscr->cury, curscr->curx, LINES - 1, 0);
817 /* This moves curses to bottom right corner */
818 mvcur(getcury(curscr), getcurx(curscr), LINES - 1, 0);
821 /* Flush the curses buffer */
827 /* Flush the output */
828 (void)fflush(stdout);
837 * Process events, with optional wait
839 static errr Term_xtra_gcu_event(int v)
846 /* Paranoia -- Wait for it */
847 nodelay(stdscr, FALSE);
852 /* Mega-Hack -- allow graceful "suspend" */
853 for (k = 0; (k < 10) && (i == ERR); k++) i = getch();
855 /* Broken input is special */
856 if (i == ERR) exit_game_panic();
857 if (i == EOF) exit_game_panic();
863 /* Do not wait for it */
864 nodelay(stdscr, TRUE);
866 /* Check for keypresses */
869 /* Wait for it next time */
870 nodelay(stdscr, FALSE);
873 if (i == ERR) return (1);
874 if (i == EOF) return (1);
877 /* Enqueue the keypress */
884 #else /* USE_GETCH */
887 * Process events (with optional wait)
889 static errr Term_xtra_gcu_event(int v)
898 /* Wait for one byte */
901 /* Hack -- Handle bizarre "errors" */
902 if ((i <= 0) && (errno != EINTR)) exit_game_panic();
908 /* Get the current flags for stdin */
909 k = fcntl(0, F_GETFL, 0);
912 if (k < 0) return (1);
914 /* Tell stdin not to block */
915 if (fcntl(0, F_SETFL, k | O_NDELAY) < 0) return (1);
917 /* Read one byte, if possible */
920 /* Replace the flags for stdin */
921 if (fcntl(0, F_SETFL, k)) return (1);
924 /* Ignore "invalid" keys */
925 if ((i != 1) || (!buf[0])) return (1);
927 /* Enqueue the keypress */
928 Term_keypress(buf[0]);
934 #endif /* USE_GETCH */
939 * Hack -- make a sound
941 static errr Term_xtra_gcu_sound(int v)
946 if (!use_sound) return (1);
949 if ((v < 0) || (v >= SOUND_MAX)) return (1);
952 if (!sound_file[v]) return (1);
954 sprintf(buf,"./gcusound.sh %s\n", sound_file[v]);
956 return (system(buf) < 0);
963 if (!use_sound) return (1);
966 if ((v < 0) || (v >= SOUND_MAX)) return (1);
969 if (!sound_file[v]) return (1);
974 if (pid==-1) return (1);
981 argv[2]="./gcusound.sh";
982 strcpy(argv[3],sound_file[v]);
983 execvp(argv[0], argv);
995 static errr Term_xtra_gcu_react(void)
1002 /* Cannot handle color redefinition */
1003 if (!can_fix_color) return (0);
1005 /* Set the colors */
1006 for (i = 0; i < 16; i++)
1008 /* Set one color (note scaling) */
1009 init_color(i, angband_color_table[i][1] * 1000 / 255,
1010 angband_color_table[i][2] * 1000 / 255,
1011 angband_color_table[i][3] * 1000 / 255);
1022 * Handle a "special request"
1024 static errr Term_xtra_gcu(int n, int v)
1026 term_data *td = (term_data *)(Term->data);
1028 /* Analyze the request */
1032 case TERM_XTRA_CLEAR:
1034 (void)wclear(td->win);
1038 case TERM_XTRA_NOISE:
1039 return write(1, "\007", 1) != 1;
1042 /* Make a special sound */
1043 case TERM_XTRA_SOUND:
1044 return (Term_xtra_gcu_sound(v));
1047 /* Flush the Curses buffer */
1048 case TERM_XTRA_FRESH:
1049 (void)wrefresh(td->win);
1054 /* Change the cursor visibility */
1055 case TERM_XTRA_SHAPE:
1061 /* Suspend/Resume curses */
1062 case TERM_XTRA_ALIVE:
1063 return (Term_xtra_gcu_alive(v));
1065 /* Process events */
1066 case TERM_XTRA_EVENT:
1067 return (Term_xtra_gcu_event(v));
1070 case TERM_XTRA_FLUSH:
1071 while (!Term_xtra_gcu_event(FALSE));
1075 case TERM_XTRA_DELAY:
1079 /* React to events */
1080 case TERM_XTRA_REACT:
1081 Term_xtra_gcu_react();
1093 * Actually MOVE the hardware cursor
1095 static errr Term_curs_gcu(int x, int y)
1097 term_data *td = (term_data *)(Term->data);
1099 /* Literally move the cursor */
1100 wmove(td->win, y, x);
1108 * Erase a grid of space
1109 * Hack -- try to be "semi-efficient".
1111 static errr Term_wipe_gcu(int x, int y, int n)
1113 term_data *td = (term_data *)(Term->data);
1116 wmove(td->win, y, x);
1118 /* Clear to end of line */
1124 /* Clear some characters */
1127 while (n-- > 0) waddch(td->win, ' ');
1134 #ifdef USE_NCURSES_ACS
1136 * this function draws some ACS characters on the screen
1137 * for DOS-based users: these are the graphical chars (blocks, lines etc)
1139 * unix-gurus: before you start adding other attributes like A_REVERSE
1140 * think hard about how map_info() in cave.c should handle the color
1141 * of something that we here draw in reverse. It's not so simple, alas.
1143 static void Term_acs_text_gcu(int x, int y, int n, byte a, concptr s)
1145 term_data *td = (term_data *)(Term->data);
1148 /* position the cursor */
1149 wmove(td->win, y, x);
1153 wattrset(td->win, colortable[a & 0x0F]);
1156 for (i=0; i < n; i++)
1158 /* add acs_map of a */
1159 waddch(td->win, acs_map[(int)s[i]]);
1161 wattrset(td->win, WA_NORMAL);
1166 * Place some text on the screen using an attribute
1168 static errr Term_text_gcu(int x, int y, int n, byte a, concptr s)
1170 term_data *td = (term_data *)(Term->data);
1176 #ifdef USE_NCURSES_ACS
1177 /* do we have colors + 16 ? */
1178 /* then call special routine for drawing special characters */
1181 Term_acs_text_gcu(x, y, n, a, s);
1186 /* Obtain a copy of the text */
1187 for (i = 0; i < n; i++) text[i] = s[i]; text[n] = 0;
1189 /* Move the cursor and dump the string */
1190 wmove(td->win, y, x);
1194 if (can_use_color) wattrset(td->win, colortable[a & 0x0F]);
1198 waddstr(td->win, text);
1206 static errr term_data_init(term_data *td, int rows, int cols, int y, int x)
1210 /* Make sure the window has a positive size */
1211 if (rows <= 0 || cols <= 0) return (0);
1213 /* Create a window */
1214 td->win = newwin(rows, cols, y, x);
1216 /* Make sure we succeed */
1219 plog("Failed to setup curses window.");
1223 /* Initialize the term */
1224 term_init(t, cols, rows, 256);
1226 /* Avoid the bottom right corner */
1227 t->icky_corner = TRUE;
1229 /* Erase with "white space" */
1230 t->attr_blank = TERM_WHITE;
1231 t->char_blank = ' ';
1233 /* Set some hooks */
1234 t->init_hook = Term_init_gcu;
1235 t->nuke_hook = Term_nuke_gcu;
1237 /* Set some more hooks */
1238 t->text_hook = Term_text_gcu;
1239 t->wipe_hook = Term_wipe_gcu;
1240 t->curs_hook = Term_curs_gcu;
1241 t->xtra_hook = Term_xtra_gcu;
1255 static void hook_quit(concptr str)
1266 * Prepare "curses" for use by the file "term.c"
1268 * Installs the "hook" functions defined above, and then activates
1269 * the main screen "term", which clears the screen and such things.
1271 * Someone should really check the semantics of "initscr()"
1273 errr init_gcu(int argc, char *argv[])
1277 int num_term = 4, next_win = 0;
1285 setlocale(LC_ALL, "");
1289 /* Build the "sound" path */
1290 path_build(path, sizeof(path), ANGBAND_DIR_XTRA, "sound");
1292 /* Allocate the path */
1293 ANGBAND_DIR_XTRA_SOUND = string_make(path);
1297 /* Extract the normal keymap */
1298 keymap_norm_prepare();
1301 /* Initialize for USG Unix */
1302 if (initscr() == NULL) return (-1);
1304 /* Initialize for others systems */
1305 if (initscr() == (WINDOW*)ERR) return (-1);
1308 /* Activate hooks */
1309 quit_aux = hook_quit;
1310 core_aux = hook_quit;
1312 /* Hack -- Require large screen, or Quit with message */
1313 i = ((LINES < 24) || (COLS < 80));
1314 if (i) quit("Angband needs an 80x24 'curses' screen");
1319 /*** Init the Color-pairs and set up a translation table ***/
1321 /* Do we have color, and enough color, available? */
1322 can_use_color = ((start_color() != ERR) && has_colors() &&
1323 (COLORS >= 8) && (COLOR_PAIRS >= 8));
1325 #ifdef REDEFINE_COLORS
1326 /* Can we change colors? */
1327 can_fix_color = (can_use_color && can_change_color() &&
1328 (COLORS >= 16) && (COLOR_PAIRS > 8));
1331 /* Attempt to use customized colors */
1334 /* Prepare the color pairs */
1335 for (i = 1; i <= 63; i++)
1337 /* Reset the color */
1338 if (init_pair(i, (i - 1) % 8, (i - 1) / 8) == ERR)
1340 quit("Color pair init failed");
1343 /* Set up the colormap */
1344 colortable[i - 1] = (COLOR_PAIR(i) | A_NORMAL);
1345 colortable[i + 7] = (COLOR_PAIR(i) | A_BRIGHT);
1347 /* XXX XXX XXX Take account of "gamma correction" */
1349 /* Prepare the "Angband Colors" */
1350 Term_xtra_gcu_react();
1353 /* Attempt to use colors */
1354 else if (can_use_color)
1356 /* Color-pair 0 is *always* WHITE on BLACK */
1358 /* Prepare the color pairs */
1359 init_pair(1, COLOR_RED, COLOR_BLACK);
1360 init_pair(2, COLOR_GREEN, COLOR_BLACK);
1361 init_pair(3, COLOR_YELLOW, COLOR_BLACK);
1362 init_pair(4, COLOR_BLUE, COLOR_BLACK);
1363 init_pair(5, COLOR_MAGENTA, COLOR_BLACK);
1364 init_pair(6, COLOR_CYAN, COLOR_BLACK);
1365 init_pair(7, COLOR_BLACK, COLOR_BLACK);
1367 /* Prepare the "Angband Colors" -- Bright white is too bright */
1368 /* Changed in Drangband. Cyan as grey sucks -- -TM- */
1369 colortable[0] = (COLOR_PAIR(7) | A_NORMAL); /* Black */
1370 colortable[1] = (COLOR_PAIR(0) | A_BRIGHT); /* White */
1371 colortable[2] = (COLOR_PAIR(0) | A_NORMAL); /* Grey XXX */
1372 colortable[3] = (COLOR_PAIR(1) | A_BRIGHT); /* Orange XXX */
1373 colortable[4] = (COLOR_PAIR(1) | A_NORMAL); /* Red */
1374 colortable[5] = (COLOR_PAIR(2) | A_NORMAL); /* Green */
1375 colortable[6] = (COLOR_PAIR(4) | A_BRIGHT); /* Blue */
1376 colortable[7] = (COLOR_PAIR(3) | A_NORMAL); /* Umber */
1377 colortable[8] = (COLOR_PAIR(7) | A_BRIGHT); /* Dark-grey XXX */
1378 colortable[9] = (COLOR_PAIR(0) | A_NORMAL); /* Light-grey XXX */
1379 colortable[10] = (COLOR_PAIR(5) | A_BRIGHT); /* Purple */
1380 colortable[11] = (COLOR_PAIR(3) | A_BRIGHT); /* Yellow */
1381 colortable[12] = (COLOR_PAIR(5) | A_NORMAL); /* Light Red XXX */
1382 colortable[13] = (COLOR_PAIR(2) | A_BRIGHT); /* Light Green */
1383 colortable[14] = (COLOR_PAIR(6) | A_BRIGHT); /* Light Blue */
1384 colortable[15] = (COLOR_PAIR(3) | A_NORMAL); /* Light Umber XXX */
1391 /* Handle "arg_sound" */
1392 if (use_sound != arg_sound)
1394 /* Initialize (if needed) */
1395 if (arg_sound && !init_sound())
1398 plog("Cannot initialize sound!");
1404 /* Change setting */
1405 use_sound = arg_sound;
1414 /* if USE_NCURSES_ACS is defined, we can do something with graphics in curses! */
1415 #ifdef USE_NCURSES_ACS
1416 use_graphics = TRUE;
1420 #endif /* USE_GRAPHICS */
1424 /*** Low level preparation ***/
1428 /* Paranoia -- Assume no waiting */
1429 nodelay(stdscr, FALSE);
1439 /* Extract the game keymap */
1440 keymap_game_prepare();
1443 /*** Now prepare the term(s) ***/
1444 for (i = 0; i < num_term; i++)
1457 case 1: rows = LINES - 25;
1469 case 3: rows = LINES - 25;
1475 default: rows = cols = 0;
1480 /* No non-windows */
1481 if (rows <= 0 || cols <= 0) continue;
1484 term_data_init(&data[next_win], rows, cols, y, x);
1487 angband_term[next_win] = Term;
1492 /* Activate the "Angband" window screen */
1493 Term_activate(&data[0].t);
1496 term_screen = &data[0].t;
1503 #endif /* USE_GCU */