ref: a6a0098d0d37998ace5b3df4b57cd842d4c3922f
dir: /config.c/
// Copyright 2021 Jonne Kokkonen
// Released under the MIT licence, https://opensource.org/licenses/MIT
#include <SDL2/SDL.h>
#include "config.h"
config_params_s init_config() {
config_params_s c;
c.filename = "config.ini"; // default config file to load
c.init_fullscreen = 0; // default fullscreen state at load
c.key_up = SDL_SCANCODE_UP;
c.key_left = SDL_SCANCODE_LEFT;
c.key_down = SDL_SCANCODE_DOWN;
c.key_right = SDL_SCANCODE_RIGHT;
c.key_select = SDL_SCANCODE_LSHIFT;
c.key_select_alt = SDL_SCANCODE_A;
c.key_start = SDL_SCANCODE_SPACE;
c.key_start_alt = SDL_SCANCODE_S;
c.key_opt = SDL_SCANCODE_LALT;
c.key_opt_alt = SDL_SCANCODE_Z;
c.key_edit = SDL_SCANCODE_LCTRL;
c.key_edit_alt = SDL_SCANCODE_X;
c.key_delete = SDL_SCANCODE_DELETE;
c.key_reset = SDL_SCANCODE_R;
c.gamepad_up = SDL_CONTROLLER_BUTTON_DPAD_UP;
c.gamepad_left = SDL_CONTROLLER_BUTTON_DPAD_LEFT;
c.gamepad_down = SDL_CONTROLLER_BUTTON_DPAD_DOWN;
c.gamepad_right = SDL_CONTROLLER_BUTTON_DPAD_RIGHT;
c.gamepad_select = SDL_CONTROLLER_BUTTON_BACK;
c.gamepad_start = SDL_CONTROLLER_BUTTON_START;
c.gamepad_opt = SDL_CONTROLLER_BUTTON_B;
c.gamepad_edit = SDL_CONTROLLER_BUTTON_A;
c.gamepad_analog_threshold = 32767;
c.gamepad_analog_invert = 0;
c.gamepad_analog_axis_updown = SDL_CONTROLLER_AXIS_LEFTY;
c.gamepad_analog_axis_leftright = SDL_CONTROLLER_AXIS_LEFTX;
c.gamepad_analog_axis_start = SDL_CONTROLLER_AXIS_TRIGGERRIGHT;
c.gamepad_analog_axis_select = SDL_CONTROLLER_AXIS_TRIGGERLEFT;
c.gamepad_analog_axis_opt = SDL_CONTROLLER_AXIS_INVALID;
c.gamepad_analog_axis_edit = SDL_CONTROLLER_AXIS_INVALID;
return c;
}
// Read config
void read_config(config_params_s *conf) {
// Load the config and read the fullscreen setting from the graphics section
ini_t *ini = ini_load(conf->filename);
if (ini == NULL) {
return;
}
read_graphics_config(ini, conf);
read_key_config(ini, conf);
read_gamepad_config(ini, conf);
// Frees the mem used for the config
ini_free(ini);
}
void read_graphics_config(ini_t *ini, config_params_s *conf) {
const char *param = ini_get(ini, "graphics", "fullscreen");
// This obviously requires the parameter to be a lowercase true to enable fullscreen
if ( strcmp(param, "true") == 0 ) {
conf->init_fullscreen = 1;
}
else conf->init_fullscreen = 0;
}
void read_key_config(ini_t *ini, config_params_s *conf) {
// TODO: Some form of validation
const char *key_up = ini_get(ini, "keyboard", "key_up");
const char *key_left = ini_get(ini, "keyboard", "key_left");
const char *key_down = ini_get(ini, "keyboard", "key_down");
const char *key_right = ini_get(ini, "keyboard", "key_right");
const char *key_select = ini_get(ini, "keyboard", "key_select");
const char *key_select_alt = ini_get(ini, "keyboard", "key_select_alt");
const char *key_start = ini_get(ini, "keyboard", "key_start");
const char *key_start_alt = ini_get(ini, "keyboard", "key_start_alt");
const char *key_opt = ini_get(ini, "keyboard", "key_opt");
const char *key_opt_alt = ini_get(ini, "keyboard", "key_opt_alt");
const char *key_edit = ini_get(ini, "keyboard", "key_edit");
const char *key_edit_alt = ini_get(ini, "keyboard", "key_edit_alt");
const char *key_delete = ini_get(ini, "keyboard", "key_delete");
const char *key_reset = ini_get(ini, "keyboard", "key_reset");
conf->key_up = atoi(key_up);
conf->key_left = atoi(key_left);
conf->key_down = atoi(key_down);
conf->key_right = atoi(key_right);
conf->key_select = atoi(key_select);
conf->key_select_alt = atoi(key_select_alt);
conf->key_start = atoi(key_start);
conf->key_start_alt = atoi(key_start_alt);
conf->key_opt = atoi(key_opt);
conf->key_opt_alt = atoi(key_opt_alt);
conf->key_edit = atoi(key_edit);
conf->key_edit_alt = atoi(key_edit_alt);
conf->key_delete = atoi(key_delete);
conf->key_reset = atoi(key_reset);
}
void read_gamepad_config(ini_t *ini, config_params_s *conf) {
// TODO: Some form of validation
const char *gamepad_up = ini_get(ini, "gamepad", "gamepad_up");
const char *gamepad_left = ini_get(ini, "gamepad", "gamepad_left");
const char *gamepad_down = ini_get(ini, "gamepad", "gamepad_down");
const char *gamepad_right = ini_get(ini, "gamepad", "gamepad_right");
const char *gamepad_select = ini_get(ini, "gamepad", "gamepad_select");
const char *gamepad_start = ini_get(ini, "gamepad", "gamepad_start");
const char *gamepad_opt = ini_get(ini, "gamepad", "gamepad_opt");
const char *gamepad_edit = ini_get(ini, "gamepad", "gamepad_edit");
const char *gamepad_analog_threshold = ini_get(ini, "gamepad", "gamepad_analog_threshold");
const char *gamepad_analog_invert = ini_get(ini, "gamepad", "gamepad_analog_invert");
const char *gamepad_analog_axis_updown = ini_get(ini, "gamepad", "gamepad_analog_axis_updown");
const char *gamepad_analog_axis_leftright = ini_get(ini, "gamepad", "gamepad_analog_axis_leftright");
const char *gamepad_analog_axis_select = ini_get(ini, "gamepad", "gamepad_analog_axis_select");
const char *gamepad_analog_axis_start = ini_get(ini, "gamepad", "gamepad_analog_axis_start");
const char *gamepad_analog_axis_opt = ini_get(ini, "gamepad", "gamepad_analog_axis_opt");
const char *gamepad_analog_axis_edit = ini_get(ini, "gamepad", "gamepad_analog_axis_edit");
conf->gamepad_up = atoi(gamepad_up);
conf->gamepad_left = atoi(gamepad_left);
conf->gamepad_down = atoi(gamepad_down);
conf->gamepad_right = atoi(gamepad_right);
conf->gamepad_select = atoi(gamepad_select);
conf->gamepad_start = atoi(gamepad_start);
conf->gamepad_opt = atoi(gamepad_opt);
conf->gamepad_edit = atoi(gamepad_edit);
conf->gamepad_analog_threshold = atoi(gamepad_analog_threshold);
// This obviously requires the parameter to be a lowercase true to enable fullscreen
if ( strcmp(gamepad_analog_invert, "true") == 0 ) {
conf->gamepad_analog_invert = 1;
}
else conf->gamepad_analog_invert = 0;
conf->gamepad_analog_axis_updown = atoi(gamepad_analog_axis_updown);
conf->gamepad_analog_axis_leftright = atoi(gamepad_analog_axis_leftright);
conf->gamepad_analog_axis_select = atoi(gamepad_analog_axis_select);
conf->gamepad_analog_axis_start = atoi(gamepad_analog_axis_start);
conf->gamepad_analog_axis_opt = atoi(gamepad_analog_axis_opt);
conf->gamepad_analog_axis_edit = atoi(gamepad_analog_axis_edit);
}