mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-12-27 03:31:49 +01:00
292 lines
9.0 KiB
C
292 lines
9.0 KiB
C
/****************************************************************************
|
|
* config.c
|
|
*
|
|
* Genesis Plus GX configuration file support
|
|
*
|
|
* Copyright Eke-Eke (2007-2014)
|
|
*
|
|
* Redistribution and use of this code or any derivative works are permitted
|
|
* provided that the following conditions are met:
|
|
*
|
|
* - Redistributions may not be sold, nor may they be used in a commercial
|
|
* product or activity.
|
|
*
|
|
* - Redistributions that are modified from the original source must include the
|
|
* complete source code, including the source code for all components used by a
|
|
* binary built from the modified sources. However, as a special exception, the
|
|
* source code distributed need not include anything that is normally distributed
|
|
* (in either source or binary form) with the major components (compiler, kernel,
|
|
* and so on) of the operating system on which the executable runs, unless that
|
|
* component itself accompanies the executable.
|
|
*
|
|
* - Redistributions must reproduce the above copyright notice, this list of
|
|
* conditions and the following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************************/
|
|
|
|
#include "shared.h"
|
|
#include "gui.h"
|
|
#include "file_load.h"
|
|
|
|
static int config_load(void)
|
|
{
|
|
/* open configuration file */
|
|
char fname[MAXPATHLEN];
|
|
sprintf (fname, "%s/config.ini", DEFAULT_PATH);
|
|
FILE *fp = fopen(fname, "rb");
|
|
if (fp)
|
|
{
|
|
/* check file size */
|
|
fseek(fp, 0, SEEK_END);
|
|
if (ftell(fp) != sizeof(config))
|
|
{
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
/* check version */
|
|
char version[16];
|
|
fseek(fp, 0, SEEK_SET);
|
|
fread(version, 16, 1, fp);
|
|
if (memcmp(version,CONFIG_VERSION,16))
|
|
{
|
|
fclose(fp);
|
|
return 0;
|
|
}
|
|
|
|
/* read file */
|
|
fseek(fp, 0, SEEK_SET);
|
|
fread(&config, sizeof(config), 1, fp);
|
|
fclose(fp);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void config_save(void)
|
|
{
|
|
/* open configuration file */
|
|
char fname[MAXPATHLEN];
|
|
sprintf (fname, "%s/config.ini", DEFAULT_PATH);
|
|
FILE *fp = fopen(fname, "wb");
|
|
if (fp)
|
|
{
|
|
/* write file */
|
|
fwrite(&config, sizeof(config), 1, fp);
|
|
fclose(fp);
|
|
}
|
|
}
|
|
|
|
void config_default(void)
|
|
{
|
|
/* version TAG */
|
|
strncpy(config.version,CONFIG_VERSION,16);
|
|
|
|
/* sound options */
|
|
config.psg_preamp = 150;
|
|
config.fm_preamp = 100;
|
|
config.hq_fm = 1;
|
|
config.psgBoostNoise = 1;
|
|
config.filter = 1;
|
|
config.lp_range = 0x9999; /* 0.6 in 16.16 fixed point */
|
|
config.low_freq = 880;
|
|
config.high_freq = 5000;
|
|
config.lg = 1.0;
|
|
config.mg = 1.0;
|
|
config.hg = 1.0;
|
|
config.dac_bits = 14;
|
|
config.ym2413 = 2; /* AUTO */
|
|
config.mono = 0;
|
|
|
|
/* system options */
|
|
config.system = 0; /* AUTO */
|
|
config.region_detect = 0; /* AUTO */
|
|
config.vdp_mode = 0; /* AUTO */
|
|
config.master_clock = 0; /* AUTO */
|
|
config.force_dtack = 0;
|
|
config.addr_error = 1;
|
|
config.bios = 0;
|
|
config.lock_on = 0;
|
|
config.hot_swap = 0;
|
|
|
|
/* video options */
|
|
config.xshift = 0;
|
|
config.yshift = 0;
|
|
config.xscale = 0;
|
|
config.yscale = 0;
|
|
config.aspect = 1;
|
|
config.overscan = 3; /* FULL */
|
|
config.gg_extra = 0;
|
|
config.ntsc = 0;
|
|
config.vsync = 1; /* AUTO */
|
|
config.bilinear = 0;
|
|
config.vfilter = 1;
|
|
|
|
if (VIDEO_HaveComponentCable())
|
|
{
|
|
config.render = 2;
|
|
}
|
|
else
|
|
{
|
|
config.render = 0;
|
|
}
|
|
|
|
switch (vmode->viTVMode >> 2)
|
|
{
|
|
case VI_PAL:
|
|
config.tv_mode = 1; /* 50hz only */
|
|
break;
|
|
|
|
case VI_EURGB60:
|
|
config.tv_mode = 2; /* 50/60hz */
|
|
break;
|
|
|
|
default:
|
|
config.tv_mode = 0; /* 60hz only */
|
|
break;
|
|
}
|
|
|
|
#ifdef HW_RVL
|
|
config.trap = 0;
|
|
config.gamma = VI_GM_1_0 / 10.0;
|
|
#else
|
|
config.v_prog = 1;
|
|
#endif
|
|
|
|
/* NTSC filter options */
|
|
config.ntsc_sharpness = 0.0;
|
|
config.ntsc_resolution = 0.0;
|
|
config.ntsc_artifacts = 0.0;
|
|
config.ntsc_fringing = 0.0;
|
|
config.ntsc_bleed = 0.0;
|
|
|
|
/* controllers options */
|
|
config.gun_cursor[0] = 1;
|
|
config.gun_cursor[1] = 1;
|
|
config.invert_mouse = 0;
|
|
|
|
/* on-screen options */
|
|
config.cd_leds = 0;
|
|
config.fps = 0;
|
|
|
|
/* menu options */
|
|
config.autoload = 0;
|
|
config.autocheat = 0;
|
|
config.s_auto = 1;
|
|
config.s_default = 1;
|
|
config.s_device = 0;
|
|
config.bg_overlay = 0;
|
|
config.screen_w = 658;
|
|
config.bgm_volume = 100.0;
|
|
config.sfx_volume = 100.0;
|
|
#ifdef HW_RVL
|
|
config.autosleep = 1;
|
|
config.calx = 0;
|
|
config.caly = 0;
|
|
#endif
|
|
|
|
/* default ROM directories */
|
|
#ifdef HW_RVL
|
|
DIR *dir = opendir("sd:/");
|
|
if (dir)
|
|
{
|
|
config.l_device = TYPE_SD;
|
|
closedir(dir);
|
|
}
|
|
else
|
|
{
|
|
config.l_device = TYPE_USB;
|
|
}
|
|
sprintf (config.lastdir[0][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[1][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[2][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[3][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[4][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[0][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[1][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[2][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[3][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[4][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[0][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[1][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[2][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[3][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[4][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
#else
|
|
config.l_device = TYPE_SD;
|
|
sprintf (config.lastdir[0][TYPE_SD], "%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[1][TYPE_SD], "%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[2][TYPE_SD], "%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[3][TYPE_SD], "%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[4][TYPE_SD], "%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[0][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[1][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[2][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[3][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
sprintf (config.lastdir[4][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
|
|
#endif
|
|
|
|
/* try to restore user config */
|
|
int loaded = config_load();
|
|
|
|
#ifndef HW_RVL
|
|
/* check if component cable was detected */
|
|
if (VIDEO_HaveComponentCable())
|
|
{
|
|
/* when component cable is detected, libogc automatically enables progressive mode */
|
|
/* as preferred video mode but it could still be used on TV not supporting 480p/576p */
|
|
PAD_ScanPads();
|
|
|
|
/* detect progressive mode switch requests */
|
|
if (PAD_ButtonsHeld(0) & PAD_BUTTON_B)
|
|
{
|
|
/* swap progressive mode enable flag */
|
|
config.v_prog ^= 1;
|
|
|
|
/* play some sound to inform user */
|
|
ASND_Pause(0);
|
|
int voice = ASND_GetFirstUnusedVoice();
|
|
ASND_SetVoice(voice,VOICE_MONO_16BIT,44100,0,(u8 *)intro_pcm,intro_pcm_size,200,200,NULL);
|
|
sleep (2);
|
|
ASND_Pause(1);
|
|
}
|
|
|
|
/* check if progressive mode should be disabled */
|
|
if (!config.v_prog)
|
|
{
|
|
/* switch menu video mode to interlaced */
|
|
vmode->viTVMode = (vmode->viTVMode & ~3) | VI_INTERLACE;
|
|
VIDEO_Configure(vmode);
|
|
VIDEO_Flush();
|
|
VIDEO_WaitVSync();
|
|
VIDEO_WaitVSync();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* inform user if default config is used */
|
|
if (!loaded)
|
|
{
|
|
GUI_WaitPrompt("Warning","Default Settings restored");
|
|
gx_input_SetDefault();
|
|
}
|
|
|
|
/* default emulated inputs */
|
|
input.system[0] = SYSTEM_GAMEPAD;
|
|
input.system[1] = (config.input[1].device != -1) ? SYSTEM_GAMEPAD : NO_SYSTEM;
|
|
input_init();
|
|
}
|