breakhack/src/settings.c

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/*
* BreakHack - A dungeone crawler RPG
* Copyright (C) 2018 Linus Probert <linus.probert@gmail.com>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include "settings.h"
#include "sqlite3.h"
#include "util.h"
#include "defines.h"
#include "db.h"
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static sqlite3 *db = NULL;
static Settings settings;
static const char *KEY_MUSIC_ENABLED = "music_enabled";
static const char *KEY_SOUND_ENABLED = "sound_enabled";
static const char *KEY_TOOLTIPS_ENABLED = "tooltips_enabled";
static const char *KEY_HOW_TO_PLAY_SHOWN = "how_to_play_shown";
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static
DbQuery MIGRATE_COMMANDS[] = {
{
"CREATE TABLE IF NOT EXISTS settings_int("
"key TEXT PRIMARY KEY, "
"value INTEGER)",
NULL, NULL
},
{ NULL } // Sentinel
};
static int load_settings_cb(void *unused, int count, char **values, char **colNames);
DbQuery LOAD_SETTINGS = { "SELECT * FROM settings_int", load_settings_cb, NULL };
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static void
set_default_settings(void)
{
settings.music_enabled = true;
settings.sound_enabled = true;
settings.tooltips_enabled = true;
settings.howto_tooltip_shown = false;
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}
static void
create_tables(void)
{
for (unsigned int i = 0;; ++i) {
DbQuery *query = &MIGRATE_COMMANDS[i];
if (query->stmt == NULL)
break;
db_execute(db, query);
}
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}
static int
load_settings_cb(void *unused, int count, char **values, char **colNames)
{
UNUSED(unused);
int i = 0;
while (i < count) {
if (strcmp("key", colNames[i]) != 0)
continue;
debug("Loading setting: %s = %s", values[i], values[i + 1]);
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if (!strcmp(KEY_SOUND_ENABLED, values[i])) {
settings.sound_enabled = (bool)atoi(values[i + 1]);
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i += 2;
}
else if (!strcmp(KEY_MUSIC_ENABLED, values[i])) {
settings.music_enabled = (bool)atoi(values[i + 1]);
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i += 2;
}
else if (!strcmp(KEY_HOW_TO_PLAY_SHOWN, values[i])) {
settings.howto_tooltip_shown = (bool)atoi(values[i + 1]);
i += 2;
}
else if (!strcmp(KEY_TOOLTIPS_ENABLED, values[i])) {
settings.tooltips_enabled = (bool)atoi(values[i + 1]);
i += 2;
}
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}
return 0;
}
static void
load_settings(void)
{
db_execute(db, &LOAD_SETTINGS);
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}
void
settings_init(void)
{
if (!db_open(DB_FILE, &db)) {
db_close(&db);
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fatal("Exiting");
}
set_default_settings();
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create_tables();
load_settings();
}
static void
save_setting_int(const char *key, int value)
{
const char *stmtStr = "INSERT OR REPLACE INTO settings_int(key, value) values (?, ?)";
sqlite3_stmt *stmt = db_prepare(db, stmtStr);
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debug("Saving setting: %s = %d", key, value);
sqlite3_bind_text(stmt,
1,
key,
(int) strlen(key),
NULL);
sqlite3_bind_int(stmt, 2, value);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
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}
static void
settings_save(void)
{
save_setting_int(KEY_SOUND_ENABLED, settings.sound_enabled);
save_setting_int(KEY_MUSIC_ENABLED, settings.music_enabled);
save_setting_int(KEY_TOOLTIPS_ENABLED, settings.tooltips_enabled);
save_setting_int(KEY_HOW_TO_PLAY_SHOWN, settings.howto_tooltip_shown);
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}
Settings *
settings_get(void)
{
return &settings;
}
void
settings_close(void)
{
settings_save();
db_close(&db);
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}