179 lines
3.1 KiB
C
179 lines
3.1 KiB
C
/*
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* xrick/src/system.c
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*
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* Copyright (C) 1998-2002 BigOrno (bigorno@bigorno.net). All rights reserved.
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*
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* The use and distribution terms for this software are contained in the file
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* named README, which can be found in the root of this distribution. By
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* using this software in any fashion, you are agreeing to be bound by the
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* terms of this license.
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*
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* You must not remove this notice, or any other, from this software.
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*/
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#ifdef IIGS
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#pragma noroot
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#endif
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#if !(defined(IIGS) || defined(F256))
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#include <SDL.h>
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#endif
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#ifndef F256
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#include <stdarg.h> /* args for sys_panic */
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#include <fcntl.h> /* fcntl in sys_panic */
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#include <stdio.h> /* printf */
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#include <stdlib.h>
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#include <signal.h>
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#endif
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#include "system.h"
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#ifdef F256
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void puts(char* c_str)
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{
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}
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#endif
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/*
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* Panic
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*/
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void
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sys_panic(char *err, ...)
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{
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#ifndef F256
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va_list argptr;
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char s[1024];
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/* change stdin to non blocking */
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/*fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);*/
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/* NOTE HPUX: use ... is it OK on Linux ? */
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/* fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NDELAY); */
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/* prepare message */
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va_start(argptr, err);
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vsprintf(s, err, argptr);
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va_end(argptr);
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/* print message and die */
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printf("%s\npanic!\n", s);
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exit(1);
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#endif
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}
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/*
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* Print a message
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*/
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void
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sys_printf(char *msg, ...)
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{
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#ifndef F256
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va_list argptr;
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char s[1024];
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/* change stdin to non blocking */
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/*fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) & ~FNDELAY);*/
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/* NOTE HPUX: use ... is it OK on Linux ? */
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/* fcntl(0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NDELAY); */
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/* prepare message */
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va_start(argptr, msg);
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vsprintf(s, msg, argptr);
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va_end(argptr);
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printf(s);
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#endif
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}
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/*
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* Return number of microseconds elapsed since first call
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*/
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U32
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sys_gettime(void)
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{
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#ifdef IIGS
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return tick[0] << 4;
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#elif defined(F256)
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/*$$TODO -> Hook this to the jiffytime, make similar the the GS */
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/* or use general purpose system timer */
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static U32 dumb;
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dumb+=1;
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return dumb;
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#else
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static U32 ticks_base = 0;
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U32 ticks;
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ticks = SDL_GetTicks();
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if (!ticks_base)
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ticks_base = ticks;
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return ticks - ticks_base;
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#endif
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}
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/*
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* Sleep a number of microseconds
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*/
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void
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sys_sleep(int s)
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{
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#ifdef IIGS
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// on GS we're going to work in ms, also we don't sleep, we just wait
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while (s > 8)
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{
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sysvid_wait_vblank();
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s -= 16; // About 1/60th of a second
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}
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#endif
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#if !(defined(IIGS) || defined(F256))
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SDL_Delay(s);
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#endif
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}
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/*
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* Initialize system
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*/
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CODE_BLOCK(8) void
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sys_init(int argc, char **argv)
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{
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sysarg_init(argc, argv);
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sysvid_init();
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#ifdef ENABLE_JOYSTICK
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sysjoy_init();
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#endif
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#ifdef ENABLE_SOUND
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if (sysarg_args_nosound == 0)
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syssnd_init();
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#endif
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#ifndef F256
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atexit(sys_shutdown);
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#endif
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#if !(defined(IIGS) || defined(F256))
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signal(SIGINT, exit);
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signal(SIGTERM, exit);
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#endif
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}
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/*
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* Shutdown system
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*/
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void
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sys_shutdown(void)
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{
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#ifdef ENABLE_SOUND
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syssnd_shutdown();
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#endif
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#ifdef ENABLE_JOYSTICK
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sysjoy_shutdown();
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#endif
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sysvid_shutdown();
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}
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/* eof */
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