Genesis-Plus-GX/source/gx/config.c

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/****************************************************************************
* config.c
*
* Genesis Plus GX configuration file support
*
* code by Eke-Eke (2008)
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
***************************************************************************/
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#include "shared.h"
#ifdef HW_RVL
#define CONFIG_VERSION "GENPLUS 1.3.2W"
#else
#define CONFIG_VERSION "GENPLUS 1.3.2G"
#endif
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void config_save()
{
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char pathname[MAXPATHLEN];
if (!fat_enabled) return;
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/* first check if directory exist */
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sprintf (pathname, DEFAULT_PATH);
DIR_ITER *dir = diropen(pathname);
if (dir == NULL) mkdir(pathname,S_IRWXU);
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else dirclose(dir);
/* open configuration file */
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sprintf (pathname, "%s/config.ini", pathname);
FILE *fp = fopen(pathname, "wb");
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if (fp == NULL) return;
/* save options */
fwrite(&config, sizeof(config), 1, fp);
fclose(fp);
}
void config_load()
{
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char pathname[MAXPATHLEN];
/* open configuration file */
sprintf (pathname, "%s/config.ini", DEFAULT_PATH);
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FILE *fp = fopen(pathname, "rb");
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if (fp == NULL) return;
/* read version */
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char version[15];
fread(version, 15, 1, fp);
fclose(fp);
if (strcmp(version,CONFIG_VERSION)) return;
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/* read file */
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fp = fopen(pathname, "rb");
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fread(&config, sizeof(config), 1, fp);
fclose(fp);
}
void config_setDefault(void)
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{
/* version TAG */
strncpy(config.version,CONFIG_VERSION,15);
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/* sound options */
config.psg_preamp = 150;
config.fm_preamp = 100;
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config.boost = 1;
config.hq_fm = 1;
config.filter = 1;
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/* system options */
config.state_auto = -1;
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#ifdef HW_RVL
config.sram_auto = 0; /* let's assume we always have a FAT device by default */
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#else
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config.sram_auto = -1;
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#endif
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config.region_detect = 0;
config.force_dtack = 0;
config.bios_enabled = 0;
/* display options */
config.xshift = 0;
config.yshift = 0;
config.xscale = 0;
config.yscale = 0;
config.aspect = 1;
config.overscan = 1;
config.render = VIDEO_HaveComponentCable() ? 2 : 0;
config.ntsc = 0;
config.bilinear = 1;
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/* controllers options */
gx_input_setDefault();
config.gun_cursor = 1;
config.invert_mouse = 0;
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}