[pcsx_rearmed.git] / frontend / main.c

/*
 * (C) notaz, 2010
 *
 * This work is licensed under the terms of the GNU GPLv2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <dlfcn.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

#include "plugin.h"
#include "pcnt.h"
#include "menu.h"
#include "../gui/Linux.h"
#include "../libpcsxcore/misc.h"
#include "../plugins/cdrcimg/cdrcimg.h"
#include "common/plat.h"
#include "common/input.h"

int ready_to_go;
int UseGui;
static char *(*real_getenv)(const char *name);

static void make_path(char *buf, size_t size, const char *dir, const char *fname)
{
	if (fname)
		snprintf(buf, size, ".%s%s", dir, fname);
	else
		snprintf(buf, size, ".%s", dir);
}
#define MAKE_PATH(buf, dir, fname) \
	make_path(buf, sizeof(buf), dir, fname)

static void create_profile_dir(const char *directory) {
	char path[MAXPATHLEN];

	MAKE_PATH(path, directory, NULL);
	mkdir(path, S_IRWXU | S_IRWXG);
}

static void CheckSubDir() {
	// make sure that ~/.pcsx exists
	create_profile_dir(PCSX_DOT_DIR);

	create_profile_dir(BIOS_DIR);
	create_profile_dir(MEMCARD_DIR);
	create_profile_dir(STATES_DIR);
	create_profile_dir(PLUGINS_DIR);
	create_profile_dir(PLUGINS_CFG_DIR);
	create_profile_dir(CHEATS_DIR);
	create_profile_dir(PATCHES_DIR);
}

static void CreateMemcard(char *filename, char *conf_mcd) {
	struct stat buf;

	make_path(conf_mcd, MAXPATHLEN, MEMCARD_DIR, filename);

	/* Only create a memory card if an existing one does not exist */
	if (stat(conf_mcd, &buf) == -1) {
		SysPrintf(_("Creating memory card: %s\n"), conf_mcd);
		CreateMcd(conf_mcd);
	}
}

void set_cd_image(const char *fname)
{
	const char *ext;
	int len;
	
	len = strlen(fname);
	ext = fname;
	if (len > 2)
		ext = fname + len - 2;

	if (strcasecmp(ext, ".z") == 0) {
		SetIsoFile(NULL);
		cdrcimg_set_fname(fname);
		strcpy(Config.Cdr, "builtin_cdrcimg");
	} else {
		SetIsoFile(fname);
		strcpy(Config.Cdr, "builtin_cdr");
	}
}

int main(int argc, char *argv[])
{
	char file[MAXPATHLEN] = "";
	char path[MAXPATHLEN];
	const char *cdfile = NULL;
	int loadst = 0;
	void *tmp;
	int i;

	tmp = dlopen("/lib/libdl.so.2", RTLD_LAZY);
	if (tmp == NULL)
		tmp = dlopen("/lib32/libdl.so.2", RTLD_LAZY);
	if (tmp != NULL)
		real_getenv = dlsym(tmp, "getenv");
	if (real_getenv == NULL) {
		fprintf(stderr, "%s\n", dlerror());
		return 1;
	}
	dlclose(tmp);

	// what is the name of the config file?
	// it may be redefined by -cfg on the command line
	strcpy(cfgfile_basename, "pcsx.cfg");

	emuLog = stdout;
	SetIsoFile(NULL);

	// read command line options
	for (i = 1; i < argc; i++) {
		     if (!strcmp(argv[i], "-psxout")) Config.PsxOut = 1;
		else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
		else if (!strcmp(argv[i], "-cfg")) {
			if (i+1 >= argc) break;
			strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100);	/* TODO buffer overruns */
			printf("Using config file %s.\n", cfgfile_basename);
		}
		else if (!strcmp(argv[i], "-cdfile")) {
			char isofilename[MAXPATHLEN];

			if (i+1 >= argc) break;
			strncpy(isofilename, argv[++i], MAXPATHLEN);
			if (isofilename[0] != '/') {
				getcwd(path, MAXPATHLEN);
				if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
					strcat(path, "/");
					strcat(path, isofilename);
					strcpy(isofilename, path);
				} else
					isofilename[0] = 0;
			}

			cdfile = isofilename;
		}
		else if (!strcmp(argv[i], "-h") ||
			 !strcmp(argv[i], "-help") ||
			 !strcmp(argv[i], "--help")) {
			 printf(PACKAGE_NAME " " PACKAGE_VERSION "\n");
			 printf("%s\n", _(
							" pcsx [options] [file]\n"
							"\toptions:\n"
							"\t-cdfile FILE\tRuns a CD image file\n"
							"\t-nogui\t\tDon't open the GTK GUI\n"
							"\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
							"\t-psxout\t\tEnable PSX output\n"
							"\t-load STATENUM\tLoads savestate STATENUM (1-5)\n"
							"\t-h -help\tDisplay this message\n"
							"\tfile\t\tLoads file\n"));
			 return 0;
		} else {
			strncpy(file, argv[i], MAXPATHLEN);
			if (file[0] != '/') {
				getcwd(path, MAXPATHLEN);
				if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
					strcat(path, "/");
					strcat(path, file);
					strcpy(file, path);
				} else
					file[0] = 0;
			}
		}
	}

	memset(&Config, 0, sizeof(PcsxConfig));
	strcpy(Config.Net, "Disabled");

	CheckSubDir();
//	ScanAllPlugins();

	strcpy(Config.Bios, "HLE");
	strcpy(Config.BiosDir, "./");

	strcpy(Config.PluginsDir, "plugins");
	strcpy(Config.Gpu, "builtin_gpu");
	strcpy(Config.Spu, "builtin_spu");
	strcpy(Config.Cdr, "builtin_cdr");
	strcpy(Config.Pad1, "builtin_pad");
	strcpy(Config.Pad2, "builtin_pad");
	Config.PsxAuto = 1;

	snprintf(Config.PatchesDir, sizeof(Config.PatchesDir), "." PATCHES_DIR);
/*
	// switch to plugin dotdir
	// this lets plugins work without modification!
	gchar *plugin_default_dir = g_build_filename(getenv("HOME"), PLUGINS_DIR, NULL);
	chdir(plugin_default_dir);
	g_free(plugin_default_dir);
*/

	if (cdfile)
		set_cd_image(cdfile);

	if (SysInit() == -1)
		return 1;

	// frontend stuff
	in_init();
	in_probe();
	plat_init();
	menu_init();

	if (LoadPlugins() == -1) {
		SysMessage("Failed loading plugins!");
		return 1;
	}
	pcnt_hook_plugins();

	if (OpenPlugins() == -1) {
		return 1;
	}

	SysReset();
	CheckCdrom();

	if (file[0] != '\0') {
		if (Load(file) != -1)
			ready_to_go = 1;
	} else {
		if (cdfile) {
			if (LoadCdrom() == -1) {
				ClosePlugins();
				printf(_("Could not load CD-ROM!\n"));
				return -1;
			}
			ready_to_go = 1;
		}
	}

	// If a state has been specified, then load that
	if (loadst) {
		StatesC = loadst - 1;
		char *state_filename = get_state_filename(StatesC);
		int ret = LoadState(state_filename);
		printf("%s state %s\n", ret ? "failed to load" : "loaded", state_filename);
		free(state_filename);
	}

	if (ready_to_go)
		menu_prepare_emu();
	else
		menu_loop();

	while (1)
	{
		psxCpu->Execute();
		menu_loop();
	}

	return 0;
}

int SysInit() {
	if (EmuInit() == -1) {
		printf("PSX emulator couldn't be initialized.\n");
		return -1;
	}

	LoadMcds(Config.Mcd1, Config.Mcd2);	/* TODO Do we need to have this here, or in the calling main() function?? */

	if (Config.Debug) {
		StartDebugger();
	}

	return 0;
}

void SysRunGui() {
        printf("SysRunGui\n");
}

void StartGui() {
        printf("StartGui\n");
}

void SysReset() {
	EmuReset();

	// hmh core forgets this
	CDR_stop();
}

void SysClose() {
	EmuShutdown();
	ReleasePlugins();

	StopDebugger();

	if (emuLog != NULL) fclose(emuLog);
}

void SysUpdate() {
	PADhandleKey(PAD1_keypressed());
	PADhandleKey(PAD2_keypressed());
}

void UpdateMenuSlots() {
}

void OnFile_Exit() {
	printf("OnFile_Exit\n");
	plat_finish();
	SysClose();
	exit(0);
}

void state_save(gchar *state_filename) {
        char Text[MAXPATHLEN + 20];

        GPU_updateLace();

        if (SaveState(state_filename) == 0)
                sprintf(Text, _("Saved state %s."), state_filename);
        else
                sprintf(Text, _("Error saving state %s!"), state_filename);

        GPU_displayText(Text);
}

void state_load(gchar *state_filename) {
	int ret;
	char Text[MAXPATHLEN + 20];
	FILE *fp;

	// check if the state file actually exists
	fp = fopen(state_filename, "rb");
	if (fp == NULL) {
		// file does not exist
		return;
	}

	fclose(fp);

	ret = CheckState(state_filename);

	if (ret == 0) {
		SysReset();
		ret = LoadState(state_filename);
	}

	if (ret == 0) {
		// Check the CD-ROM is valid
		if (CheckCdrom() == -1) {
			ClosePlugins();
			SysRunGui();
			return;
		}

		sprintf(Text, _("Loaded state %s."), state_filename);
	} else {
		sprintf(Text, _("Error loading state %s!"), state_filename);
	}
	GPU_displayText(Text);
}

char *get_state_filename(int i) {
	char SStateFile[256];
	char trimlabel[33];
	int j;

	strncpy(trimlabel, CdromLabel, 32);
	trimlabel[32] = 0;
	for (j = 31; j >= 0; j--)
		if (trimlabel[j] == ' ')
			trimlabel[j] = 0;
		else
			continue;

	snprintf(SStateFile, sizeof(SStateFile), "." STATES_DIR "%.32s-%.9s.%3.3d",
		trimlabel, CdromId, i);

	return strdup(SStateFile);
}

void SysPrintf(const char *fmt, ...) {
	va_list list;
	char msg[512];

	va_start(list, fmt);
	vsprintf(msg, fmt, list);
	va_end(list);

	fprintf(emuLog, "%s", msg);
}

void SysMessage(const char *fmt, ...) {
        va_list list;
        char msg[512];

        va_start(list, fmt);
        vsprintf(msg, fmt, list);
        va_end(list);

        if (msg[strlen(msg) - 1] == '\n')
                msg[strlen(msg) - 1] = 0;

	fprintf(stderr, "%s\n", msg);
}

#if 1
/* this is to avoid having to hack every plugin to stop using $HOME */
char *getenv(const char *name)
{
	static char ret[8] = ".";

	if (name && strcmp(name, "HOME") == 0 &&
			((int)name >> 28) == 0) // HACK: let libs find home
		return ret;

	return real_getenv(name);
}
#endif

/* we hook statically linked plugins here */
static const char *builtin_plugins[] = {
	"builtin_gpu", "builtin_spu", "builtin_cdr", "builtin_pad",
	"builtin_cdrcimg",
};

static const int builtin_plugin_ids[] = {
	PLUGIN_GPU, PLUGIN_SPU, PLUGIN_CDR, PLUGIN_PAD,
	PLUGIN_CDRCIMG,
};

void *SysLoadLibrary(const char *lib) {
	const char *tmp = strrchr(lib, '/');
	int i;

	printf("dlopen %s\n", lib);
	if (tmp != NULL) {
		tmp++;
		for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
			if (strcmp(tmp, builtin_plugins[i]) == 0)
				return (void *)(long)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
	}

	return dlopen(lib, RTLD_NOW);
}

void *SysLoadSym(void *lib, const char *sym) {
	unsigned int plugid = (unsigned int)(long)lib;

	if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
		return plugin_link(plugid - PLUGIN_DL_BASE, sym);

	return dlsym(lib, sym);
}

const char *SysLibError() {
	return dlerror();
}

void SysCloseLibrary(void *lib) {
	unsigned int plugid = (unsigned int)(long)lib;

	if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
		return;

	dlclose(lib);
}
Commit	Line	Data
e906c010	1	/*
	2	* (C) notaz, 2010
	3	*
	4	* This work is licensed under the terms of the GNU GPLv2 or later.
	5	* See the COPYING file in the top-level directory.
	6	*/
	7
80c2304e	8	#include <stdio.h>
	9	#include <string.h>
	10	#include <stdarg.h>
	11	#include <dlfcn.h>
	12	#include <sys/stat.h>
	13	#include <sys/types.h>
	14	#include <unistd.h>
	15
e906c010	16	#include "plugin.h"
14dffdb7	17	#include "pcnt.h"
3c70c47b	18	#include "menu.h"
80c2304e	19	#include "../gui/Linux.h"
80c2304e	20	#include "../libpcsxcore/misc.h"
47bf65ab	21	#include "../plugins/cdrcimg/cdrcimg.h"
69af03a2	22	#include "common/plat.h"
69af03a2	23	#include "common/input.h"
80c2304e	24
69af03a2	25	int ready_to_go;
80c2304e	26	int UseGui;
b60f2812	27	static char (real_getenv)(const char *name);
80c2304e	28
	29	static void make_path(char buf, size_t size, const char dir, const char *fname)
	30	{
	31	if (fname)
	32	snprintf(buf, size, ".%s%s", dir, fname);
	33	else
	34	snprintf(buf, size, ".%s", dir);
	35	}
	36	#define MAKE_PATH(buf, dir, fname) \
	37	make_path(buf, sizeof(buf), dir, fname)
	38
	39	static void create_profile_dir(const char *directory) {
	40	char path[MAXPATHLEN];
	41
	42	MAKE_PATH(path, directory, NULL);
	43	mkdir(path, S_IRWXU \| S_IRWXG);
	44	}
	45
	46	static void CheckSubDir() {
	47	// make sure that ~/.pcsx exists
	48	create_profile_dir(PCSX_DOT_DIR);
	49
	50	create_profile_dir(BIOS_DIR);
	51	create_profile_dir(MEMCARD_DIR);
	52	create_profile_dir(STATES_DIR);
	53	create_profile_dir(PLUGINS_DIR);
	54	create_profile_dir(PLUGINS_CFG_DIR);
	55	create_profile_dir(CHEATS_DIR);
	56	create_profile_dir(PATCHES_DIR);
	57	}
	58
	59	static void CreateMemcard(char filename, char conf_mcd) {
	60	struct stat buf;
	61
	62	make_path(conf_mcd, MAXPATHLEN, MEMCARD_DIR, filename);
	63
	64	/* Only create a memory card if an existing one does not exist */
	65	if (stat(conf_mcd, &buf) == -1) {
	66	SysPrintf(_("Creating memory card: %s\n"), conf_mcd);
	67	CreateMcd(conf_mcd);
	68	}
	69	}
	70
47bf65ab	71	void set_cd_image(const char *fname)
	72	{
	73	const char *ext;
	74	int len;
	75
	76	len = strlen(fname);
	77	ext = fname;
	78	if (len > 2)
	79	ext = fname + len - 2;
	80
	81	if (strcasecmp(ext, ".z") == 0) {
	82	SetIsoFile(NULL);
	83	cdrcimg_set_fname(fname);
	84	strcpy(Config.Cdr, "builtin_cdrcimg");
	85	} else {
	86	SetIsoFile(fname);
	87	strcpy(Config.Cdr, "builtin_cdr");
	88	}
	89	}
	90
80c2304e	91	int main(int argc, char *argv[])
	92	{
	93	char file[MAXPATHLEN] = "";
	94	char path[MAXPATHLEN];
47bf65ab	95	const char *cdfile = NULL;
80c2304e	96	int loadst = 0;
b60f2812	97	void *tmp;
80c2304e	98	int i;
80c2304e	99
b60f2812	100	tmp = dlopen("/lib/libdl.so.2", RTLD_LAZY);
fa9cfe0a	101	if (tmp == NULL)
fa9cfe0a	102	tmp = dlopen("/lib32/libdl.so.2", RTLD_LAZY);
b60f2812	103	if (tmp != NULL)
	104	real_getenv = dlsym(tmp, "getenv");
	105	if (real_getenv == NULL) {
	106	fprintf(stderr, "%s\n", dlerror());
	107	return 1;
	108	}
	109	dlclose(tmp);
	110
80c2304e	111	// what is the name of the config file?
	112	// it may be redefined by -cfg on the command line
	113	strcpy(cfgfile_basename, "pcsx.cfg");
	114
e906c010	115	emuLog = stdout;
80c2304e	116	SetIsoFile(NULL);
80c2304e	117
	118	// read command line options
	119	for (i = 1; i < argc; i++) {
e906c010	120	if (!strcmp(argv[i], "-psxout")) Config.PsxOut = 1;
80c2304e	121	else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
	122	else if (!strcmp(argv[i], "-cfg")) {
	123	if (i+1 >= argc) break;
	124	strncpy(cfgfile_basename, argv[++i], MAXPATHLEN-100); /* TODO buffer overruns */
	125	printf("Using config file %s.\n", cfgfile_basename);
	126	}
	127	else if (!strcmp(argv[i], "-cdfile")) {
	128	char isofilename[MAXPATHLEN];
	129
	130	if (i+1 >= argc) break;
	131	strncpy(isofilename, argv[++i], MAXPATHLEN);
	132	if (isofilename[0] != '/') {
	133	getcwd(path, MAXPATHLEN);
	134	if (strlen(path) + strlen(isofilename) + 1 < MAXPATHLEN) {
	135	strcat(path, "/");
	136	strcat(path, isofilename);
	137	strcpy(isofilename, path);
	138	} else
	139	isofilename[0] = 0;
	140	}
	141
47bf65ab	142	cdfile = isofilename;
80c2304e	143	}
	144	else if (!strcmp(argv[i], "-h") \|\|
	145	!strcmp(argv[i], "-help") \|\|
	146	!strcmp(argv[i], "--help")) {
	147	printf(PACKAGE_NAME " " PACKAGE_VERSION "\n");
	148	printf("%s\n", _(
	149	" pcsx [options] [file]\n"
	150	"\toptions:\n"
	151	"\t-cdfile FILE\tRuns a CD image file\n"
	152	"\t-nogui\t\tDon't open the GTK GUI\n"
	153	"\t-cfg FILE\tLoads desired configuration file (default: ~/.pcsx/pcsx.cfg)\n"
	154	"\t-psxout\t\tEnable PSX output\n"
	155	"\t-load STATENUM\tLoads savestate STATENUM (1-5)\n"
	156	"\t-h -help\tDisplay this message\n"
	157	"\tfile\t\tLoads file\n"));
	158	return 0;
	159	} else {
	160	strncpy(file, argv[i], MAXPATHLEN);
	161	if (file[0] != '/') {
	162	getcwd(path, MAXPATHLEN);
	163	if (strlen(path) + strlen(file) + 1 < MAXPATHLEN) {
	164	strcat(path, "/");
	165	strcat(path, file);
	166	strcpy(file, path);
	167	} else
	168	file[0] = 0;
	169	}
	170	}
	171	}
	172
	173	memset(&Config, 0, sizeof(PcsxConfig));
	174	strcpy(Config.Net, "Disabled");
	175
	176	CheckSubDir();
	177	// ScanAllPlugins();
	178
e906c010	179	strcpy(Config.Bios, "HLE");
	180	strcpy(Config.BiosDir, "./");
	181
	182	strcpy(Config.PluginsDir, "plugins");
	183	strcpy(Config.Gpu, "builtin_gpu");
	184	strcpy(Config.Spu, "builtin_spu");
	185	strcpy(Config.Cdr, "builtin_cdr");
	186	strcpy(Config.Pad1, "builtin_pad");
	187	strcpy(Config.Pad2, "builtin_pad");
4f3639fa	188	Config.PsxAuto = 1;
80c2304e	189
	190	snprintf(Config.PatchesDir, sizeof(Config.PatchesDir), "." PATCHES_DIR);
	191	/*
	192	// switch to plugin dotdir
	193	// this lets plugins work without modification!
	194	gchar *plugin_default_dir = g_build_filename(getenv("HOME"), PLUGINS_DIR, NULL);
	195	chdir(plugin_default_dir);
	196	g_free(plugin_default_dir);
	197	*/
47bf65ab	198
	199	if (cdfile)
	200	set_cd_image(cdfile);
	201
69af03a2	202	if (SysInit() == -1)
69af03a2	203	return 1;
80c2304e	204
69af03a2	205	// frontend stuff
	206	in_init();
	207	in_probe();
	208	plat_init();
	209	menu_init();
80c2304e	210
69af03a2	211	if (LoadPlugins() == -1) {
	212	SysMessage("Failed loading plugins!");
	213	return 1;
	214	}
	215	pcnt_hook_plugins();
80c2304e	216
69af03a2	217	if (OpenPlugins() == -1) {
	218	return 1;
	219	}
80c2304e	220
69af03a2	221	SysReset();
	222	CheckCdrom();
	223
	224	if (file[0] != '\0') {
	225	if (Load(file) != -1)
	226	ready_to_go = 1;
	227	} else {
47bf65ab	228	if (cdfile) {
69af03a2	229	if (LoadCdrom() == -1) {
	230	ClosePlugins();
	231	printf(_("Could not load CD-ROM!\n"));
	232	return -1;
80c2304e	233	}
69af03a2	234	ready_to_go = 1;
80c2304e	235	}
69af03a2	236	}
80c2304e	237
69af03a2	238	// If a state has been specified, then load that
	239	if (loadst) {
	240	StatesC = loadst - 1;
	241	char *state_filename = get_state_filename(StatesC);
	242	int ret = LoadState(state_filename);
	243	printf("%s state %s\n", ret ? "failed to load" : "loaded", state_filename);
	244	free(state_filename);
	245	}
80c2304e	246
3c70c47b	247	if (ready_to_go)
	248	menu_prepare_emu();
	249	else
69af03a2	250	menu_loop();
	251
	252	while (1)
	253	{
80c2304e	254	psxCpu->Execute();
69af03a2	255	menu_loop();
80c2304e	256	}
	257
	258	return 0;
	259	}
	260
	261	int SysInit() {
80c2304e	262	if (EmuInit() == -1) {
	263	printf("PSX emulator couldn't be initialized.\n");
	264	return -1;
	265	}
	266
	267	LoadMcds(Config.Mcd1, Config.Mcd2); /* TODO Do we need to have this here, or in the calling main() function?? */
	268
	269	if (Config.Debug) {
	270	StartDebugger();
	271	}
	272
	273	return 0;
	274	}
	275
	276	void SysRunGui() {
	277	printf("SysRunGui\n");
	278	}
	279
	280	void StartGui() {
	281	printf("StartGui\n");
	282	}
	283
	284	void SysReset() {
	285	EmuReset();
bd6267e6	286
	287	// hmh core forgets this
	288	CDR_stop();
80c2304e	289	}
	290
	291	void SysClose() {
	292	EmuShutdown();
	293	ReleasePlugins();
	294
	295	StopDebugger();
	296
	297	if (emuLog != NULL) fclose(emuLog);
	298	}
	299
	300	void SysUpdate() {
	301	PADhandleKey(PAD1_keypressed());
	302	PADhandleKey(PAD2_keypressed());
	303	}
	304
	305	void UpdateMenuSlots() {
	306	}
	307
	308	void OnFile_Exit() {
bd6267e6	309	printf("OnFile_Exit\n");
	310	plat_finish();
	311	SysClose();
80c2304e	312	exit(0);
	313	}
	314
	315	void state_save(gchar *state_filename) {
	316	char Text[MAXPATHLEN + 20];
	317
	318	GPU_updateLace();
	319
	320	if (SaveState(state_filename) == 0)
	321	sprintf(Text, _("Saved state %s."), state_filename);
	322	else
	323	sprintf(Text, _("Error saving state %s!"), state_filename);
	324
	325	GPU_displayText(Text);
	326	}
	327
	328	void state_load(gchar *state_filename) {
	329	int ret;
	330	char Text[MAXPATHLEN + 20];
	331	FILE *fp;
	332
	333	// check if the state file actually exists
	334	fp = fopen(state_filename, "rb");
	335	if (fp == NULL) {
	336	// file does not exist
	337	return;
	338	}
	339
	340	fclose(fp);
	341
	342	ret = CheckState(state_filename);
	343
	344	if (ret == 0) {
	345	SysReset();
	346	ret = LoadState(state_filename);
	347	}
	348
	349	if (ret == 0) {
	350	// Check the CD-ROM is valid
	351	if (CheckCdrom() == -1) {
	352	ClosePlugins();
	353	SysRunGui();
	354	return;
	355	}
	356
	357	sprintf(Text, _("Loaded state %s."), state_filename);
	358	} else {
	359	sprintf(Text, _("Error loading state %s!"), state_filename);
	360	}
	361	GPU_displayText(Text);
	362	}
	363
	364	char *get_state_filename(int i) {
	365	char SStateFile[256];
	366	char trimlabel[33];
	367	int j;
	368
	369	strncpy(trimlabel, CdromLabel, 32);
	370	trimlabel[32] = 0;
	371	for (j = 31; j >= 0; j--)
	372	if (trimlabel[j] == ' ')
	373	trimlabel[j] = 0;
	374	else
	375	continue;
376
377	snprintf(SStateFile, sizeof(SStateFile), "." STATES_DIR "%.32s-%.9s.%3.3d",
378	trimlabel, CdromId, i);
379
380	return strdup(SStateFile);
381	}
382
383	void SysPrintf(const char *fmt, ...) {
384	va_list list;
385	char msg[512];
386
387	va_start(list, fmt);
388	vsprintf(msg, fmt, list);
389	va_end(list);
390
80c2304e	391	fprintf(emuLog, "%s", msg);
	392	}
	393
	394	void SysMessage(const char *fmt, ...) {
	395	va_list list;
	396	char msg[512];
	397
	398	va_start(list, fmt);
	399	vsprintf(msg, fmt, list);
	400	va_end(list);
	401
	402	if (msg[strlen(msg) - 1] == '\n')
	403	msg[strlen(msg) - 1] = 0;
	404
	405	fprintf(stderr, "%s\n", msg);
	406	}
	407
e906c010	408	#if 1
	409	/* this is to avoid having to hack every plugin to stop using $HOME */
	410	char getenv(const char name)
	411	{
	412	static char ret[8] = ".";
	413
69af03a2	414	if (name && strcmp(name, "HOME") == 0 &&
69af03a2	415	((int)name >> 28) == 0) // HACK: let libs find home
b60f2812	416	return ret;
e906c010	417
b60f2812	418	return real_getenv(name);
e906c010	419	}
	420	#endif
	421
	422	/* we hook statically linked plugins here */
	423	static const char *builtin_plugins[] = {
47bf65ab	424	"builtin_gpu", "builtin_spu", "builtin_cdr", "builtin_pad",
47bf65ab	425	"builtin_cdrcimg",
e906c010	426	};
	427
	428	static const int builtin_plugin_ids[] = {
	429	PLUGIN_GPU, PLUGIN_SPU, PLUGIN_CDR, PLUGIN_PAD,
47bf65ab	430	PLUGIN_CDRCIMG,
e906c010	431	};
e906c010	432
80c2304e	433	void SysLoadLibrary(const char lib) {
e906c010	434	const char *tmp = strrchr(lib, '/');
	435	int i;
	436
	437	printf("dlopen %s\n", lib);
	438	if (tmp != NULL) {
	439	tmp++;
	440	for (i = 0; i < ARRAY_SIZE(builtin_plugins); i++)
	441	if (strcmp(tmp, builtin_plugins[i]) == 0)
	442	return (void *)(long)(PLUGIN_DL_BASE + builtin_plugin_ids[i]);
	443	}
	444
80c2304e	445	return dlopen(lib, RTLD_NOW);
	446	}
	447
	448	void SysLoadSym(void lib, const char *sym) {
e906c010	449	unsigned int plugid = (unsigned int)(long)lib;
	450
	451	if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
	452	return plugin_link(plugid - PLUGIN_DL_BASE, sym);
	453
80c2304e	454	return dlsym(lib, sym);
	455	}
	456
	457	const char *SysLibError() {
	458	return dlerror();
	459	}
	460
	461	void SysCloseLibrary(void *lib) {
e906c010	462	unsigned int plugid = (unsigned int)(long)lib;
	463
	464	if (PLUGIN_DL_BASE <= plugid && plugid < PLUGIN_DL_BASE + ARRAY_SIZE(builtin_plugins))
	465	return;
	466
80c2304e	467	dlclose(lib);
	468	}
	469
	470