snes9x/gtk/src/gtk_s9x.cpp
2010-09-26 04:19:15 -05:00

764 lines
18 KiB
C++

#include <stdio.h>
#include <sys/time.h>
#include <signal.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include "gtk_s9x.h"
#include "gtk_control.h"
#include "gtk_sound.h"
#include "gtk_display.h"
#ifdef NETPLAY_SUPPORT
#include "gtk_netplay.h"
#endif
#define IDLE_FUNC_PRIORITY (G_PRIORITY_DEFAULT_IDLE)
void S9xPostRomInit (void);
void S9xSyncSpeedFinish (void);
static void S9xCheckPointerTimer (void);
static gboolean S9xIdleFunc (gpointer data);
static gboolean S9xScreenSaverCheckFunc (gpointer data);
Snes9xWindow *top_level;
Snes9xConfig *gui_config;
static struct timeval next_frame_time = { 0, 0 };
static struct timeval now;
static int needs_fullscreening = FALSE;
int syncing;
guint idle_func_id;
void
S9xTerm (int signal)
{
S9xExit ();
return;
}
int
main (int argc, char *argv[])
{
struct sigaction sig_callback;
g_thread_init (NULL);
gdk_threads_init ();
gtk_init (&argc, &argv);
bindtextdomain (GETTEXT_PACKAGE, SNES9XLOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
ZeroMemory (&Settings, sizeof (Settings));
/* Allow original config file for backend settings */
S9xLoadConfigFiles (argv, argc);
/* Perform our config here */
gui_config = new Snes9xConfig ();
S9xInitInputDevices ();
gui_config->load_config_file ();
char *rom_filename = S9xParseArgs (argv, argc);
S9xReportControllers ();
if (!Memory.Init () || !S9xInitAPU ())
exit (3);
g_set_application_name ("Snes9x");
top_level = new Snes9xWindow (gui_config);
/* If we're going to fullscreen, do it before showing window to avoid flicker. */
if ((gui_config->full_screen_on_open && rom_filename) || (gui_config->fullscreen))
gtk_window_fullscreen (top_level->get_window ());
top_level->show ();
S9xInitDisplay (argc, argv);
Memory.PostRomInitFunc = S9xPostRomInit;
S9xPortSoundInit ();
gui_config->reconfigure ();
top_level->update_accels ();
Settings.Paused = TRUE;
syncing = 0;
idle_func_id = g_idle_add_full (IDLE_FUNC_PRIORITY,
S9xIdleFunc,
NULL,
NULL);
g_timeout_add (10000, S9xScreenSaverCheckFunc, NULL);
S9xNoROMLoaded ();
if (rom_filename)
{
if (S9xOpenROM (rom_filename) && gui_config->full_screen_on_open)
gtk_window_unfullscreen (top_level->get_window());
}
memset (&sig_callback, 0, sizeof (struct sigaction));
sig_callback.sa_handler = S9xTerm;
sigaction (15 /* SIGTERM */, &sig_callback, NULL);
sigaction (3 /* SIGQUIT */, &sig_callback, NULL);
sigaction (2 /* SIGINT */, &sig_callback, NULL);
if (gui_config->fullscreen)
{
gui_config->fullscreen = 0;
needs_fullscreening = 1;
}
#ifdef USE_JOYSTICK
gui_config->flush_joysticks ();
#endif
gdk_threads_lock ();
gtk_main ();
return 0;
}
int
S9xOpenROM (const char *rom_filename)
{
uint32 flags;
bool8 loaded;
if (gui_config->rom_loaded)
{
S9xAutoSaveSRAM ();
}
#ifdef NETPLAY_SUPPORT
S9xNetplayDisconnect ();
#endif
flags = CPU.Flags;
loaded = FALSE;
if (Settings.Multi)
loaded = Memory.LoadMultiCart (Settings.CartAName, Settings.CartBName);
else if (rom_filename)
loaded = Memory.LoadROM (rom_filename);
Settings.StopEmulation = !loaded;
if (!loaded && rom_filename)
{
char dir [_MAX_DIR + 1];
char drive [_MAX_DRIVE + 1];
char name [_MAX_FNAME + 1];
char ext [_MAX_EXT + 1];
char fname [_MAX_PATH + 1];
_splitpath (rom_filename, drive, dir, name, ext);
_makepath (fname, drive, dir, name, ext);
strcpy (fname, S9xGetDirectory (ROM_DIR));
strcat (fname, SLASH_STR);
strcat (fname, name);
if (ext [0])
{
strcat (fname, ".");
strcat (fname, ext);
}
_splitpath (fname, drive, dir, name, ext);
_makepath (fname, drive, dir, name, ext);
if ((Settings.StopEmulation = !Memory.LoadROM (fname)))
{
fprintf (stderr, _("Error opening: %s\n"), rom_filename);
loaded = FALSE;
}
else
loaded = TRUE;
}
if (loaded)
{
Memory.LoadSRAM (S9xGetFilename (".srm", SRAM_DIR));
S9xLoadCheatFile (S9xGetFilename (".cht", CHEAT_DIR));
}
else
{
S9xReset ();
CPU.Flags = flags;
Settings.Paused = 1;
S9xNoROMLoaded ();
top_level->refresh ();
return 1;
}
CPU.Flags = flags;
S9xROMLoaded ();
return 0;
}
void
S9xROMLoaded (void)
{
gui_config->rom_loaded = TRUE;
top_level->configure_widgets ();
top_level->last_width = top_level->last_height = SIZE_FLAG_DIRTY;
if (gui_config->full_screen_on_open)
{
Settings.Paused = FALSE;
top_level->enter_fullscreen_mode ();
}
S9xSoundStart ();
return;
}
void
S9xNoROMLoaded (void)
{
S9xSoundStop ();
gui_config->rom_loaded = FALSE;
S9xDisplayRefresh (-1, -1);
top_level->configure_widgets ();
top_level->update_statusbar ();
return;
}
/*
static inline void check_messages (void)
{
static unsigned int current_timeout = 0;
if (GFX.InfoStringTimeout > current_timeout)
{
top_level->show_status_message (GFX.InfoString);
}
current_timeout = GFX.InfoStringTimeout;
return;
}
*/
gboolean
S9xPauseFunc (gpointer data)
{
S9xProcessEvents (TRUE);
if (!gui_config->rom_loaded)
return TRUE;
#ifdef NETPLAY_SUPPORT
if (!S9xNetplayPush ())
{
S9xNetplayPop ();
}
#endif
if (!Settings.Paused) /* Coming out of pause */
{
#ifdef USE_JOYSTICK
/* Clear joystick queues */
gui_config->flush_joysticks ();
#endif
S9xSetSoundMute (FALSE);
S9xSoundStart ();
#ifdef NETPLAY_SUPPORT
if (Settings.NetPlay && NetPlay.Connected)
{
S9xNPSendPause (FALSE);
}
#endif
/* Resume high-performance callback */
idle_func_id = g_idle_add_full (IDLE_FUNC_PRIORITY,
S9xIdleFunc,
NULL,
NULL);
top_level->update_statusbar ();
return FALSE;
}
return TRUE;
}
gboolean
S9xIdleFunc (gpointer data)
{
if (needs_fullscreening)
{
top_level->enter_fullscreen_mode();
needs_fullscreening = FALSE;
}
if (Settings.Paused)
{
S9xSetSoundMute (gui_config->mute_sound);
S9xSoundStop ();
#ifdef USE_JOYSTICK
gui_config->flush_joysticks ();
#endif
#ifdef NETPLAY_SUPPORT
if (Settings.NetPlay && NetPlay.Connected)
{
S9xNPSendPause (TRUE);
}
#endif
/* Move to a timer-based function to use less CPU */
g_timeout_add (100, S9xPauseFunc, NULL);
top_level->update_statusbar ();
return FALSE;
}
if (syncing)
S9xSyncSpeedFinish ();
S9xCheckPointerTimer ();
S9xProcessEvents (TRUE);
#ifdef NETPLAY_SUPPORT
if (!S9xNetplayPush ())
{
#endif
S9xMainLoop ();
S9xMixSound ();
#ifdef NETPLAY_SUPPORT
S9xNetplayPop ();
}
#endif
return TRUE;
}
gboolean
S9xScreenSaverCheckFunc (gpointer data)
{
if (!Settings.Paused &&
(gui_config->screensaver_needs_reset ||
gui_config->prevent_screensaver))
top_level->reset_screensaver ();
return TRUE;
}
/* Snes9x core hooks */
void
S9xMessage (int type, int number, const char *message)
{
/*
fprintf (stderr, "%s\n", message);
*/
return;
}
/* Varies from ParseArgs because this one is for the OS port to handle */
void
S9xParseArg (char **argv, int &i, int argc)
{
if (!strcasecmp (argv[i], "-filter"))
{
if ((++i) < argc)
{
if (!strcasecmp (argv[i], "none"))
{
gui_config->scale_method = FILTER_NONE;
}
else if (!strcasecmp (argv[i], "supereagle"))
{
gui_config->scale_method = FILTER_SUPEREAGLE;
}
else if (!strcasecmp (argv[i], "2xsai"))
{
gui_config->scale_method = FILTER_2XSAI;
}
else if (!strcasecmp (argv[i], "super2xsai"))
{
gui_config->scale_method = FILTER_SUPER2XSAI;
}
#ifdef USE_HQ2X
else if (!strcasecmp (argv[i], "hq2x"))
{
gui_config->scale_method = FILTER_HQ2X;
}
else if (!strcasecmp (argv[i], "hq3x"))
{
gui_config->scale_method = FILTER_HQ3X;
}
else if (!strcasecmp (argv[i], "hq4x"))
{
gui_config->scale_method = FILTER_HQ4X;
}
#endif /* USE_HQ2X */
else if (!strcasecmp (argv[i], "epx"))
{
gui_config->scale_method = FILTER_EPX;
}
else if (!strcasecmp (argv[i], "ntsc"))
{
gui_config->scale_method = FILTER_NTSC;
}
else
{
gui_config->scale_method = FILTER_NONE;
}
}
}
else if (!strcasecmp (argv[i], "-mutesound"))
{
gui_config->mute_sound = TRUE;
}
return;
}
#undef TIMER_DIFF
#define TIMER_DIFF(a, b) ((((a).tv_sec - (b).tv_sec) * 1000000) + (a).tv_usec - (b).tv_usec)
/* Finishes syncing by using more accurate system sleep functions*/
void
S9xSyncSpeedFinish (void)
{
if (!syncing)
return;
gettimeofday (&now, NULL);
if (Settings.SoundSync)
{
while (!S9xSyncSound ())
{
usleep (100);
gettimeofday (&next_frame_time, NULL);
/* If we can't sync sound within a second, we're probably deadlocked */
if (TIMER_DIFF (next_frame_time, now) > 1000000)
{
/* Flush out our sample buffer and give up. */
S9xClearSamples ();
break;
}
}
next_frame_time = now;
return;
}
if (TIMER_DIFF (next_frame_time, now) < -500000)
{
next_frame_time = now;
}
while (timercmp (&next_frame_time, &now, >))
{
int time_left = TIMER_DIFF (next_frame_time, now);
if (time_left > 500000)
{
next_frame_time = now;
break;
}
usleep (time_left);
gettimeofday (&now, NULL);
}
next_frame_time.tv_usec += Settings.FrameTime;
if (next_frame_time.tv_usec >= 1000000)
{
next_frame_time.tv_sec += next_frame_time.tv_usec / 1000000;
next_frame_time.tv_usec %= 1000000;
}
syncing = 0;
return;
}
/* SyncSpeed Handles delays between frames, similar to unix.cpp version,
* cleaned up for clarity, adjusted for GUI event loop */
void
S9xSyncSpeed (void)
{
unsigned int limit;
int lag;
#ifdef NETPLAY_SUPPORT
if (S9xNetplaySyncSpeed ())
return;
#endif
if (Settings.HighSpeedSeek > 0)
{
Settings.HighSpeedSeek--;
IPPU.RenderThisFrame = FALSE;
IPPU.SkippedFrames = 0;
gettimeofday (&now, NULL);
next_frame_time = now;
syncing = 0;
return;
}
else if (Settings.TurboMode)
{
if ((++IPPU.FrameSkip >= Settings.TurboSkipFrames)
&& !Settings.HighSpeedSeek)
{
IPPU.FrameSkip = 0;
IPPU.SkippedFrames = 0;
IPPU.RenderThisFrame = TRUE;
}
else
{
IPPU.SkippedFrames++;
IPPU.RenderThisFrame = FALSE;
}
return;
}
gettimeofday (&now, NULL);
if (next_frame_time.tv_sec == 0)
{
next_frame_time = now;
++next_frame_time.tv_usec;
}
if (Settings.SkipFrames == AUTO_FRAMERATE && !Settings.SoundSync)
{
lag = TIMER_DIFF (now, next_frame_time);
/* We compensate for the frame time by a frame in case it's just a CPU
* discrepancy. We can recover lost time in the next frame anyway. */
if (lag > (int) (Settings.FrameTime))
{
if (lag > (int) Settings.FrameTime * 10)
{
/* Running way too slowly */
next_frame_time = now;
IPPU.RenderThisFrame = 1;
IPPU.SkippedFrames = 0;
}
else
{
IPPU.RenderThisFrame = 0;
IPPU.SkippedFrames++;
}
}
else
{
IPPU.RenderThisFrame = 1;
IPPU.SkippedFrames = 0;
}
}
else
{
limit = Settings.SoundSync ? 1 : Settings.SkipFrames + 1;
IPPU.SkippedFrames++;
IPPU.RenderThisFrame = 0;
if (IPPU.SkippedFrames >= limit)
{
IPPU.RenderThisFrame = 1;
IPPU.SkippedFrames = 0;
}
}
syncing = 1;
return;
}
static void
S9xCheckPointerTimer (void)
{
if (!gui_config->pointer_is_visible)
return;
gettimeofday (&now, NULL);
if (TIMER_DIFF (now, gui_config->pointer_timestamp) > 1000000)
{
top_level->hide_mouse_cursor ();
gui_config->pointer_is_visible = FALSE;
}
return;
}
/* Final exit point, issues exit (0) */
void
S9xExit (void)
{
gui_config->save_config_file ();
top_level->leave_fullscreen_mode ();
S9xPortSoundDeinit ();
Settings.StopEmulation = TRUE;
if (gui_config->rom_loaded)
{
S9xAutoSaveSRAM ();
}
S9xDeinitAPU ();
S9xDeinitInputDevices ();
S9xDeinitDisplay ();
gtk_main_quit ();
delete top_level;
delete gui_config;
exit (0);
return;
}
void
S9xPostRomInit (void)
{
//First plug in both, they'll change later as needed
S9xSetController (0, CTL_JOYPAD, 0, 0, 0, 0);
S9xSetController (1, CTL_JOYPAD, 1, 0, 0, 0);
top_level->set_menu_item_selected ("joypad1");
top_level->set_menu_item_selected ("joypad2");
if (!strncmp ((const char *) Memory.NSRTHeader + 24, "NSRT", 4))
{
switch (Memory.NSRTHeader[29])
{
case 0: //Everything goes
break;
case 0x10: //Mouse in Port 0
S9xSetController (0, CTL_MOUSE, 0, 0, 0, 0);
top_level->set_menu_item_selected ("mouse1");
break;
case 0x01: //Mouse in Port 1
S9xSetController (1, CTL_MOUSE, 1, 0, 0, 0);
top_level->set_menu_item_selected ("mouse2");
break;
case 0x03: //Super Scope in Port 1
S9xSetController (1, CTL_SUPERSCOPE, 0, 0, 0, 0);
top_level->set_menu_item_selected ("superscope1");
break;
case 0x06: //Multitap in Port 1
S9xSetController (1, CTL_MP5, 1, 2, 3, 4);
top_level->set_menu_item_selected ("multitap1");
break;
case 0x66: //Multitap in Ports 0 and 1
S9xSetController (0, CTL_MP5, 0, 1, 2, 3);
S9xSetController (1, CTL_MP5, 4, 5, 6, 7);
top_level->set_menu_item_selected ("multitap1");
top_level->set_menu_item_selected ("multitap2");
break;
case 0x08: //Multitap in Port 1, Mouse in new Port 1
S9xSetController (1, CTL_MOUSE, 1, 0, 0, 0);
//There should be a toggle here for putting in Multitap instead
top_level->set_menu_item_selected ("mouse2");
break;
case 0x04: //Pad or Super Scope in Port 1
S9xSetController (1, CTL_SUPERSCOPE, 0, 0, 0, 0);
top_level->set_menu_item_selected ("superscope2");
//There should be a toggle here for putting in a pad instead
break;
case 0x05: //Justifier - Must ask user...
S9xSetController (1, CTL_JUSTIFIER, 1, 0, 0, 0);
//There should be a toggle here for how many justifiers
break;
case 0x20: //Pad or Mouse in Port 0
S9xSetController (0, CTL_MOUSE, 0, 0, 0, 0);
//There should be a toggle here for putting in a pad instead
break;
case 0x22: //Pad or Mouse in Port 0 & 1
S9xSetController (0, CTL_MOUSE, 0, 0, 0, 0);
S9xSetController (1, CTL_MOUSE, 1, 0, 0, 0);
//There should be a toggles here for putting in pads instead
break;
case 0x24: //Pad or Mouse in Port 0, Pad or Super Scope in Port 1
//There should be a toggles here for what to put in, I'm leaving it at gamepad for now
break;
case 0x27: //Pad or Mouse in Port 0, Pad or Mouse or Super Scope in Port 1
//There should be a toggles here for what to put in, I'm leaving it at gamepad for now
break;
//Not Supported yet
case 0x99: break; //Lasabirdie
case 0x0A: break; //Barcode Battler
}
}
return;
}
const char *
S9xStringInput(const char *message)
{
return NULL;
}
void
S9xExtraUsage (void)
{
printf ("GTK port options:\n"
"-filter [option] Use a filter to scale the image.\n"
" [option] is one of: none supereagle 2xsai\n"
" super2xsai hq2x hq3x hq4x epx ntsc\n"
"\n"
"-mutesound Disables sound output.\n");
return;
}