RetroArch/settings.c
2010-12-30 03:42:31 +01:00

259 lines
7.7 KiB
C

/* SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
* Copyright (C) 2010 - Hans-Kristian Arntzen
*
* Some code herein may be based on code found in BSNES.
*
* SSNES 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* SSNES 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 SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "general.h"
#include "conf/config_file.h"
#include "config.def.h"
#include <assert.h>
#include <string.h>
#include "hqflt/filters.h"
#include "config.h"
struct settings g_settings;
static void set_defaults(void)
{
const char *def_video = NULL;
const char *def_audio = NULL;
switch (VIDEO_DEFAULT_DRIVER)
{
case VIDEO_GL:
def_video = "glfw";
break;
default:
break;
}
switch (AUDIO_DEFAULT_DRIVER)
{
case AUDIO_RSOUND:
def_audio = "rsound";
break;
case AUDIO_OSS:
def_audio = "oss";
break;
case AUDIO_ALSA:
def_audio = "alsa";
break;
case AUDIO_ROAR:
def_audio = "roar";
break;
case AUDIO_AL:
def_audio = "openal";
break;
default:
break;
}
// No input atm ... It is in the GLFW driver.
if (def_video)
strncpy(g_settings.video.driver, def_video, sizeof(g_settings.video.driver) - 1);
if (def_audio)
strncpy(g_settings.audio.driver, def_audio, sizeof(g_settings.audio.driver) - 1);
g_settings.video.xscale = xscale;
g_settings.video.yscale = yscale;
g_settings.video.fullscreen = fullscreen;
g_settings.video.fullscreen_x = fullscreen_x;
g_settings.video.fullscreen_y = fullscreen_y;
g_settings.video.vsync = vsync;
g_settings.video.smooth = video_smooth;
g_settings.video.force_aspect = force_aspect;
g_settings.audio.enable = audio_enable;
g_settings.audio.out_rate = out_rate;
g_settings.audio.in_rate = in_rate;
if (audio_device)
strncpy(g_settings.audio.device, audio_device, sizeof(g_settings.audio.device));
g_settings.audio.latency = out_latency;
g_settings.audio.sync = audio_sync;
g_settings.audio.src_quality = SAMPLERATE_QUALITY;
assert(sizeof(g_settings.input.binds[0]) >= sizeof(snes_keybinds_1));
assert(sizeof(g_settings.input.binds[1]) >= sizeof(snes_keybinds_2));
memcpy(g_settings.input.binds[0], snes_keybinds_1, sizeof(snes_keybinds_1));
memcpy(g_settings.input.binds[1], snes_keybinds_2, sizeof(snes_keybinds_2));
g_settings.input.save_state_key = SAVE_STATE_KEY;
g_settings.input.load_state_key = LOAD_STATE_KEY;
g_settings.input.toggle_fullscreen_key = TOGGLE_FULLSCREEN;
g_settings.input.axis_threshold = AXIS_THRESHOLD;
}
void parse_config(void)
{
memset(&g_settings, 0, sizeof(struct settings));
config_file_t *conf = NULL;
if (strlen(g_extern.config_path) > 0)
{
conf = config_file_new(g_extern.config_path);
if (!conf)
{
SSNES_ERR("Couldn't find config at path: \"%s\"\n", g_extern.config_path);
exit(1);
}
}
else
{
const char *xdg = getenv("XDG_CONFIG_HOME");
const char *home = getenv("HOME");
if (xdg)
{
char conf_path[strlen(xdg) + strlen("/ssnes ")];
strcpy(conf_path, xdg);
strcat(conf_path, "/ssnes");
conf = config_file_new(conf_path);
}
else if (home)
{
char conf_path[strlen(home) + strlen("/.ssnesrc ")];
strcpy(conf_path, xdg);
strcat(conf_path, "/.ssnesrc");
conf = config_file_new(conf_path);
}
else // Try /etc/ssnes.cfg as a final test ...
conf = config_file_new("/etc/ssnes.cfg");
}
set_defaults();
if (conf == NULL)
return;
int tmp_int;
double tmp_double;
bool tmp_bool;
char *tmp_str;
// Video settings.
if (config_get_double(conf, "video_xscale", &tmp_double))
g_settings.video.xscale = tmp_double;
if (config_get_double(conf, "video_yscale", &tmp_double))
g_settings.video.yscale = tmp_double;
if (config_get_int(conf, "video_fullscreen_x", &tmp_int))
g_settings.video.fullscreen_x = tmp_int;
if (config_get_int(conf, "video_fullscreen_y", &tmp_int))
g_settings.video.fullscreen_y = tmp_int;
if (config_get_bool(conf, "video_fullscreen", &tmp_bool))
g_settings.video.fullscreen = tmp_bool;
if (config_get_bool(conf, "video_vsync", &tmp_bool))
g_settings.video.vsync = tmp_bool;
if (config_get_bool(conf, "video_smooth", &tmp_bool))
g_settings.video.smooth = tmp_bool;
if (config_get_bool(conf, "video_force_aspect", &tmp_bool))
g_settings.video.force_aspect = tmp_bool;
if (config_get_string(conf, "video_cg_shader", &tmp_str))
{
strncpy(g_settings.video.cg_shader_path, tmp_str, sizeof(g_settings.video.cg_shader_path) - 1);
free(tmp_str);
}
#ifdef HAVE_FILTER
if (config_get_string(conf, "video_filter", &tmp_str))
{
unsigned filter = 0;
if (strcasecmp(FILTER_HQ2X_STR, tmp_str) == 0)
filter = FILTER_HQ2X;
else if (strcasecmp(FILTER_HQ4X_STR, tmp_str) == 0)
filter = FILTER_HQ4X;
else if (strcasecmp(FILTER_GRAYSCALE_STR, tmp_str) == 0)
filter = FILTER_GRAYSCALE;
else if (strcasecmp(FILTER_BLEED_STR, tmp_str) == 0)
filter = FILTER_BLEED;
else if (strcasecmp(FILTER_NTSC_STR, tmp_str) == 0)
filter = FILTER_NTSC;
else
{
SSNES_ERR(
"Invalid filter... Valid filters are:\n"
"\t%s\n"
"\t%s\n"
"\t%s\n"
"\t%s\n"
"\t%s\n",
FILTER_HQ2X_STR, FILTER_HQ4X_STR, FILTER_GRAYSCALE_STR,
FILTER_BLEED_STR, FILTER_NTSC_STR);
exit(1);
}
free(tmp_str);
g_settings.video.filter = filter;
}
#endif
// Input Settings.
if (config_get_double(conf, "input_axis_threshold", &tmp_double))
g_settings.input.axis_threshold = tmp_double;
// Audio settings.
if (config_get_bool(conf, "audio_enable", &tmp_bool))
g_settings.audio.enable = tmp_bool;
if (config_get_int(conf, "audio_out_rate", &tmp_int))
g_settings.audio.out_rate = tmp_int;
if (config_get_int(conf, "audio_in_rate", &tmp_int))
g_settings.audio.in_rate = tmp_int;
if (config_get_string(conf, "audio_device", &tmp_str))
{
strncpy(g_settings.audio.device, tmp_str, sizeof(g_settings.audio.device) - 1);
free(tmp_str);
}
if (config_get_int(conf, "audio_latency", &tmp_int))
g_settings.audio.latency = tmp_int;
if (config_get_bool(conf, "audio_sync", &tmp_bool))
g_settings.audio.sync = tmp_bool;
if (config_get_int(conf, "audio_src_quality", &tmp_int))
{
int quals[] = { SRC_ZERO_ORDER_HOLD, SRC_LINEAR, SRC_SINC_FASTEST,
SRC_SINC_MEDIUM_QUALITY, SRC_SINC_BEST_QUALITY };
if (tmp_int > 0 && tmp_int < 6)
g_settings.audio.src_quality = quals[tmp_int];
}
if (config_get_string(conf, "video_driver", &tmp_str))
{
strncpy(g_settings.video.driver, tmp_str, sizeof(g_settings.video.driver) - 1);
free(tmp_str);
}
if (config_get_string(conf, "audio_driver", &tmp_str))
{
strncpy(g_settings.audio.driver, tmp_str, sizeof(g_settings.audio.driver) - 1);
free(tmp_str);
}
// TODO: Keybinds.
config_file_free(conf);
}