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/* MSDOS-specific code for Xconq.
Copyright (C) 1994 Ed Boston.
Xconq is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version. See the file COPYING. */
#include "config.h"
#include "misc.h"
#include "dir.h"
#include "lisp.h"
#include "module.h"
#include "system.h"
#include <signal.h>
#include <time.h>
#include <sys/types.h>
typedef void (*fptr)();
#ifndef XCONQLIB
#define XCONQLIB "..\\lib"
#endif
char *
default_library_filename()
{
return XCONQLIB;
}
char *
news_filename()
{
make_pathname(xconqlib, NEWSFILE, "", spbuf);
return spbuf;
}
char *
saved_game_filename()
{
return "save.xcq";
}
char *
checkpoint_filename()
{
return "checkpnt.xcq";
}
char *
error_save_filename()
{
return "errorsav.xcq";
}
char *
statistics_filename()
{
return "stats.xcq";
}
/* Attempt to open a library file. */
FILE *
open_library_file(module)
Module *module;
{
FILE *fp = NULL;
/* Don't try to do on anon modules? */
if (module->name == NULL) return NULL;
/* Generate library pathname. */
make_pathname(xconqlib, module->name, "g", spbuf);
/* Now try to open the file. */
if ((fp = fopen(spbuf, "r")) != NULL) {
/* Remember the filename where we found it. */
module->filename = copy_string(spbuf);
} else {
/* Extra hack to find experimental games. */
make_pathname("../lib2", module->name, "g", spbuf);
if ((fp = fopen(spbuf, "r")) != NULL) {
/* Remember the filename where we found it. */
module->filename = copy_string(spbuf);
}
}
return fp;
}
FILE *
open_explicit_file(module)
Module *module;
{
if (module->filename == NULL) return NULL;
return (fopen(module->filename, "r"));
}
FILE *
open_library_file(filename)
char *filename;
{
FILE *fp = NULL;
/* Don't try to do on anon modules? */
/* Generate library pathname. */
make_pathname(xconqlib, filename, NULL, spbuf);
/* Now try to open the file. */
if ((fp = fopen(spbuf, "r")) != NULL) {
} else {
}
return fp;
}
void
make_pathname(path, name, extn, pathbuf)
char *path, *name, *extn, *pathbuf;
{
sprintf(pathbuf, "");
if (!empty_string(path)) {
sprintf(pathbuf+strlen(pathbuf), "%s/", path);
}
sprintf(pathbuf+strlen(pathbuf), "%s", name);
/* Don't add a second identical extension, but do add if extension
is different (in case we want "foo.12" -> "foo.12.g" for instance) */
if (strrchr(name, '.') && strcmp((char *) strrchr(name, '.')+1, extn) == 0)
return;
if (!empty_string(extn)) {
sprintf(pathbuf+strlen(pathbuf), ".%s", extn);
}
}
/* Remove a saved game from the system. */
remove_saved_game()
{
unlink(saved_game_filename());
}
/* Default behavior on explicit kill. */
void
stop_handler(x)
int x;
{
close_displays();
exit(1);
}
/* This routine attempts to save the state before dying. */
void
crash_handler(sig)
int sig;
{
static int already_been_here = FALSE;
if (!already_been_here) {
already_been_here = TRUE;
close_displays();
printf("Fatal error encountered. Signal %d\n", sig);
write_entire_game_state("xconq.ack");
}
abort();
}
void
init_signal_handlers(void)
{
signal(SIGINT, stop_handler);
signal(SIGSEGV, crash_handler);
signal(SIGFPE, crash_handler);
signal(SIGILL, crash_handler);
signal(SIGINT, crash_handler);
signal(SIGTERM, crash_handler);
}
time_t reallasttime = (time_t) 0;
time_t realcurtime;
int
n_seconds_elapsed(n)
int n;
{
time(&realcurtime);
if (realcurtime > reallasttime + (n - 1)) {
reallasttime = realcurtime;
return TRUE;
} else {
return FALSE;
}
}
int
n_ms_elapsed(n)
int n;
{
return TRUE;
}
void
record_ms()
{
}
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