spectrum2/backends/frotz/dfrotz/dumb/dumb_init.c
2011-09-18 11:48:00 +02:00

234 lines
7 KiB
C

/* dumb-init.c
* $Id: dumb-init.c,v 1.1.1.1 2002/03/26 22:38:34 feedle Exp $
*
* Copyright 1997,1998 Alva Petrofsky <alva@petrofsky.berkeley.ca.us>.
* Any use permitted provided this notice stays intact.
*/
#include "dumb_frotz.h"
f_setup_t f_setup;
#define INFORMATION "\
An interpreter for all Infocom and other Z-Machine games.\n\
Complies with standard 1.0 of Graham Nelson's specification.\n\
\n\
Syntax: dfrotz [options] story-file\n\
-a watch attribute setting \t -Q use old-style save format\n\
-A watch attribute testing \t -R xxx do runtime setting \\xxx\n\
-h # screen height \t before starting (can be used repeatedly)\n\
-i ignore fatal errors \t -s # random number seed value\n\
-I # interpreter number \t -S # transscript width\n\
-o watch object movement \t -t set Tandy bit\n\
-O watch object locating \t -u # slots for multiple undo\n\
-p plain ASCII output only \t -w # screen width\n\
-P alter piracy opcode \t -x expand abbreviations g/x/z"
/*
static char usage[] = "\
\n\
FROTZ V2.32 - interpreter for all Infocom games. Complies with standard\n\
1.0 of Graham Nelson's specification. Written by Stefan Jokisch in 1995-7.\n\
\n\
DUMB-FROTZ V2.32R1 - port for all platforms. Somewhat complies with standard\n\
9899 of ISO's specification. Written by Alembic Petrofsky in 1997-8.\n\
\n\
Syntax: frotz [options] story-file [graphics-file]\n\
\n\
-a watch attribute setting\n\
-A watch attribute testing\n\
-h # screen height\n\
-i ignore runtime errors\n\
-I # interpreter number to report to game\n\
-o watch object movement\n\
-O watch object locating\n\
-p alter piracy opcode\n\
-P transliterate latin1 to plain ASCII\n\
-R xxx do runtime setting \\xxx before starting\n\
(this option can be used multiple times)\n\
-s # random number seed value\n\
-S # transscript width\n\
-t set Tandy bit\n\
-u # slots for multiple undo\n\
-w # screen width\n\
-x expand abbreviations g/x/z\n\
\n\
While running, enter \"\\help\" to list the runtime escape sequences.\n\
";
*/
/* A unix-like getopt, but with the names changed to avoid any problems. */
static int zoptind = 1;
static int zoptopt = 0;
static char *zoptarg = NULL;
static int zgetopt (int argc, char *argv[], const char *options)
{
static pos = 1;
const char *p;
if (zoptind >= argc || argv[zoptind][0] != '-' || argv[zoptind][1] == 0)
return EOF;
zoptopt = argv[zoptind][pos++];
zoptarg = NULL;
if (argv[zoptind][pos] == 0)
{ pos = 1; zoptind++; }
p = strchr (options, zoptopt);
if (zoptopt == ':' || p == NULL) {
fputs ("illegal option -- ", stderr);
goto error;
} else if (p[1] == ':')
if (zoptind >= argc) {
fputs ("option requires an argument -- ", stderr);
goto error;
} else {
zoptarg = argv[zoptind];
if (pos != 1)
zoptarg += pos;
pos = 1; zoptind++;
}
return zoptopt;
error:
fputc (zoptopt, stderr);
fputc ('\n', stderr);
return '?';
}/* zgetopt */
static int user_screen_width = 75;
static int user_screen_height = 24;
static int user_interpreter_number = -1;
static int user_random_seed = -1;
static int user_tandy_bit = 0;
static char *graphics_filename = NULL;
static bool plain_ascii = FALSE;
void os_process_arguments(int argc, char *argv[])
{
int c;
/* Parse the options */
do {
c = zgetopt(argc, argv, "aAh:iI:oOpPQs:R:S:tu:w:xZ:");
switch(c) {
case 'a': f_setup.attribute_assignment = 1; break;
case 'A': f_setup.attribute_testing = 1; break;
case 'h': user_screen_height = atoi(zoptarg); break;
case 'i': f_setup.ignore_errors = 1; break;
case 'I': f_setup.interpreter_number = atoi(zoptarg); break;
case 'o': f_setup.object_movement = 1; break;
case 'O': f_setup.object_locating = 1; break;
case 'P': f_setup.piracy = 1; break;
case 'p': plain_ascii = 1; break;
case 'Q': f_setup.save_quetzal = 0; break;
case 'R': dumb_handle_setting(zoptarg, FALSE, TRUE); break;
case 's': user_random_seed = atoi(zoptarg); break;
case 'S': f_setup.script_cols = atoi(zoptarg); break;
case 't': user_tandy_bit = 1; break;
case 'u': f_setup.undo_slots = atoi(zoptarg); break;
case 'w': user_screen_width = atoi(zoptarg); break;
case 'x': f_setup.expand_abbreviations = 1; break;
case 'Z': f_setup.err_report_mode = atoi(zoptarg);
if ((f_setup.err_report_mode < ERR_REPORT_NEVER) ||
(f_setup.err_report_mode > ERR_REPORT_FATAL))
f_setup.err_report_mode = ERR_DEFAULT_REPORT_MODE;
break;
}
} while (c != EOF);
if (((argc - zoptind) != 1) && ((argc - zoptind) != 2)) {
printf("FROTZ V%s\tdumb interface.\n", VERSION);
puts(INFORMATION);
printf("\t-Z # error checking mode (default = %d)\n"
"\t %d = don't report errors %d = report first error\n"
"\t %d = report all errors %d = exit after any error\n\n",
ERR_DEFAULT_REPORT_MODE, ERR_REPORT_NEVER,
ERR_REPORT_ONCE, ERR_REPORT_ALWAYS, ERR_REPORT_FATAL);
exit(1);
}
/*
if (((argc - zoptind) != 1) && ((argc - zoptind) != 2)) {
puts(usage);
exit(1);
}
*/
story_name = argv[zoptind++];
if (zoptind < argc)
graphics_filename = argv[zoptind++];
}
void os_init_screen(void)
{
if (h_version == V3 && user_tandy_bit)
h_config |= CONFIG_TANDY;
if (h_version >= V5 && f_setup.undo_slots == 0)
h_flags &= ~UNDO_FLAG;
h_screen_rows = user_screen_height;
h_screen_cols = user_screen_width;
if (user_interpreter_number > 0)
h_interpreter_number = user_interpreter_number;
else {
/* Use ms-dos for v6 (because that's what most people have the
* graphics files for), but don't use it for v5 (or Beyond Zork
* will try to use funky characters). */
h_interpreter_number = h_version == 6 ? INTERP_MSDOS : INTERP_DEC_20;
}
h_interpreter_version = 'F';
dumb_init_input();
dumb_init_output();
dumb_init_pictures(graphics_filename);
}
int os_random_seed (void)
{
if (user_random_seed == -1)
/* Use the epoch as seed value */
return (time(0) & 0x7fff);
else return user_random_seed;
}
void os_restart_game (int stage) {}
void os_fatal (const char *s)
{
fprintf(stderr, "\nFatal error: %s\n", s);
exit(1);
}
FILE *os_path_open(const char *name, const char *mode)
{
FILE *fp;
char buf[FILENAME_MAX + 1];
char *p;
/* Let's see if the file is in the currect directory */
/* or if the user gave us a full path. */
if ((fp = fopen(name, mode))) {
return fp;
}
/* Sorry, but dumb frotz is too dumb to care about searching paths. */
return NULL;
}
void os_init_setup(void)
{
f_setup.attribute_assignment = 0;
f_setup.attribute_testing = 0;
f_setup.context_lines = 0;
f_setup.object_locating = 0;
f_setup.object_movement = 0;
f_setup.left_margin = 0;
f_setup.right_margin = 0;
f_setup.ignore_errors = 0;
f_setup.piracy = 0;
f_setup.undo_slots = MAX_UNDO_SLOTS;
f_setup.expand_abbreviations = 0;
f_setup.script_cols = 80;
f_setup.save_quetzal = 1;
f_setup.sound = 1;
f_setup.err_report_mode = ERR_DEFAULT_REPORT_MODE;
}