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https://github.com/ekeeke/Genesis-Plus-GX.git
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118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/****************************************************************************
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* config.c
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*
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* Genesis Plus GX configuration file support
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*
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* code by Eke-Eke (2008)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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***************************************************************************/
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#include "shared.h"
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#include <sys/dir.h>
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#ifdef HW_RVL
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#define CONFIG_VERSION "GENPLUS 1.2.2W"
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#else
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#define CONFIG_VERSION "GENPLUS 1.2.2G"
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#endif
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void config_save()
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{
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char pathname[MAXPATHLEN];
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if (!fat_enabled) return;
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/* first check if directory exist */
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sprintf (pathname, DEFAULT_PATH);
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DIR_ITER *dir = diropen(pathname);
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if (dir == NULL) mkdir(pathname,S_IRWXU);
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else dirclose(dir);
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/* open configuration file */
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sprintf (pathname, "%s/config.ini", pathname);
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FILE *fp = fopen(pathname, "wb");
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if (fp == NULL) return;
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/* save options */
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fwrite(&config, sizeof(config), 1, fp);
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fclose(fp);
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}
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void config_load()
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{
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char pathname[MAXPATHLEN];
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/* open configuration file */
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sprintf (pathname, "%s/config.ini", DEFAULT_PATH);
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FILE *fp = fopen(pathname, "rb");
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if (fp == NULL) return;
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/* read version */
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char version[15];
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fread(version, 15, 1, fp);
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fclose(fp);
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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);
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fclose(fp);
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}
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void set_config_defaults(void)
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{
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/* version TAG */
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strncpy(config.version,CONFIG_VERSION,15);
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/* sound options */
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config.psg_preamp = 1.5;
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config.fm_preamp = 1.0;
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config.boost = 1;
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config.hq_fm = 1;
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config.filter = 1;
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config.fm_core = 0;
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/* system options */
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config.freeze_auto = -1;
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#ifdef HW_RVL
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config.sram_auto = 0; /* assume we always got SDCARD */
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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;
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config.force_dtack = 0;
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config.bios_enabled = 0;
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/* display options */
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config.xshift = 0;
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config.yshift = 0;
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config.xscale = 0;
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config.yscale = 0;
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config.aspect = 1;
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config.overscan = 1;
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config.render = VIDEO_HaveComponentCable() ? 2 : 0;
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config.ntsc = 0;
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config.bilinear = 1;
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/* controllers options */
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ogc_input__set_defaults();
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config.gun_cursor = 1;
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config.invert_mouse = 0;
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}
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