316 lines
13 KiB
C++
316 lines
13 KiB
C++
#include "options.h"
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#include <SDL3/SDL.h> // Para SDL_ScaleMode, SDL_GamepadButton, SDL_LogCategory, SDL_LogInfo, SDL_LogError, SDL_LogWarn
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#include <stddef.h> // Para size_t
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#include <algorithm> // Para clamp, max
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#include <fstream> // Para basic_ostream, operator<<, basic_ostream::operator<<, basic_ofstream, basic_istream, basic_ifstream, ifstream, ofstream
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#include <functional> // Para function
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#include <map> // Para map, operator==, _Rb_tree_const_iterator
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#include <stdexcept> // Para invalid_argument, out_of_range
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#include <string> // Para char_traits, stoi, operator==, operator<<, allocator, string, basic_string, operator<=>, getline
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#include <utility> // Para swap, pair
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#include <vector> // Para vector
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#include "difficulty.h" // Para Code, init
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#include "input.h" // Para InputDevice
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#include "lang.h" // Para Code
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#include "utils.h" // Para boolToString, stringToBool, getFileName
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namespace Options {
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// --- Variables globales ---
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WindowOptions window; // Opciones de la ventana
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SettingsOptions settings; // Opciones del juego
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VideoOptions video; // Opciones de vídeo
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AudioOptions audio; // Opciones de audio
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std::vector<GamepadOptions> controllers; // Opciones de mando para cada jugador
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PendingChanges pending_changes; // Opciones que se aplican al cerrar
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// Declaraciones
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auto set(const std::string& var, const std::string& value) -> bool;
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// Establece el fichero de configuración
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void setFile(const std::string& file_path) { settings.config_file = file_path; };
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// Inicializa las opciones del programa
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void init() {
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// Dificultades
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Difficulty::init();
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// Opciones de control
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controllers.clear();
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controllers.resize(2);
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controllers.at(0).player_id = 1;
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controllers.at(1).player_id = 2;
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setKeyboardToPlayer(1);
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// Opciones pendientes
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pending_changes.new_language = settings.language;
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pending_changes.new_difficulty = settings.difficulty;
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pending_changes.has_pending_changes = false;
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}
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// Carga el fichero de configuración
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auto loadFromFile() -> bool {
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// Inicializa las opciones del programa
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init();
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// Indicador de éxito en la carga
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bool success = true;
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// Variables para manejar el fichero
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std::ifstream file(settings.config_file);
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// Si el fichero se puede abrir
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if (file.good()) {
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// Procesa el fichero línea a línea
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "\nReading file: %s", getFileName(settings.config_file).c_str());
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std::string line;
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while (std::getline(file, line)) {
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// Comprueba que la línea no sea un comentario
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if (line.substr(0, 1) != "#") {
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// Encuentra la posición del carácter '='
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int pos = line.find("=");
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// Procesa las dos subcadenas
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if (!set(line.substr(0, pos), line.substr(pos + 1, line.length()))) {
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Unknown parameter: %s", line.substr(0, pos).c_str());
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success = false;
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}
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}
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}
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file.close();
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}
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// El fichero no existe
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else {
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saveToFile(); // Crea el fichero con los valores por defecto
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}
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// Normaliza los valores
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if (settings.language != Lang::Code::ENGLISH &&
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settings.language != Lang::Code::VALENCIAN &&
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settings.language != Lang::Code::SPANISH) {
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settings.language = Lang::Code::ENGLISH;
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}
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return success;
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}
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// Guarda el fichero de configuración
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auto saveToFile() -> bool {
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std::ofstream file(settings.config_file);
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if (!file.good()) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: %s can't be opened", getFileName(settings.config_file).c_str());
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return false;
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}
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Writing file: %s", getFileName(settings.config_file).c_str());
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applyPendingChanges();
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// Opciones de ventana
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file << "## WINDOW\n";
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file << "\n";
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file << "window.zoom=" << window.zoom << "\n";
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// Opciones de video
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file << "## VIDEO\n";
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file << "## video.scale_mode [" << static_cast<int>(SDL_ScaleMode::SDL_SCALEMODE_NEAREST) << ": nearest, " << static_cast<int>(SDL_ScaleMode::SDL_SCALEMODE_LINEAR) << ": lineal]\n";
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file << "\n";
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file << "video.fullscreen=" << boolToString(video.fullscreen) << "\n";
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file << "video.scale_mode=" << static_cast<int>(video.scale_mode) << "\n";
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file << "video.vsync=" << boolToString(video.vsync) << "\n";
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file << "video.integer_scale=" << boolToString(video.integer_scale) << "\n";
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file << "video.shaders=" << boolToString(video.shaders) << "\n";
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// Opciones de audio
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file << "\n\n## AUDIO\n";
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file << "## volume [0 .. 100]\n";
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file << "\n";
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file << "audio.enabled=" << boolToString(audio.enabled) << "\n";
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file << "audio.volume=" << audio.volume << "\n";
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file << "audio.music.enabled=" << boolToString(audio.music.enabled) << "\n";
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file << "audio.music.volume=" << audio.music.volume << "\n";
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file << "audio.sound.enabled=" << boolToString(audio.sound.enabled) << "\n";
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file << "audio.sound.volume=" << audio.sound.volume << "\n";
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// Opciones del juego
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file << "\n\n## GAME\n";
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file << "## game.language [0: spanish, 1: valencian, 2: english]\n";
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file << "## game.difficulty [" << static_cast<int>(Difficulty::Code::EASY) << ": easy, " << static_cast<int>(Difficulty::Code::NORMAL) << ": normal, " << static_cast<int>(Difficulty::Code::HARD) << ": hard]\n";
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file << "\n";
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file << "game.language=" << static_cast<int>(settings.language) << "\n";
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file << "game.difficulty=" << static_cast<int>(settings.difficulty) << "\n";
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file << "game.autofire=" << boolToString(settings.autofire) << "\n";
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file << "game.shutdown_enabled=" << boolToString(settings.shutdown_enabled) << "\n";
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// Opciones de mandos
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file << "\n\n## CONTROLLERS\n";
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int controller_index = 0;
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for (const auto& controller : controllers) {
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file << "\n";
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file << "controller." << controller_index << ".name=" << controller.name << "\n";
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file << "controller." << controller_index << ".player=" << controller.player_id << "\n";
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file << "controller." << controller_index << ".type=" << static_cast<int>(controller.type) << "\n";
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file << "controller." << controller_index << ".button.fire_left=" << controller.buttons.at(0) << "\n";
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file << "controller." << controller_index << ".button.fire_center=" << controller.buttons.at(1) << "\n";
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file << "controller." << controller_index << ".button.fire_right=" << controller.buttons.at(2) << "\n";
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file << "controller." << controller_index << ".button.start=" << controller.buttons.at(3) << "\n";
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file << "controller." << controller_index << ".button.service=" << controller.buttons.at(4) << "\n";
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// Incrementa el índice
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++controller_index;
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}
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// Cierra el fichero
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file.close();
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return true;
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}
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// Función auxiliar para analizar la configuración del mando y reducir duplicación
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void parseAndSetController(const std::string& var, const std::string& value) {
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// Lógica básica de análisis (puede hacerse más robusta)
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size_t first_dot = var.find('.');
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size_t second_dot = var.find('.', first_dot + 1);
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int controller_index = std::stoi(var.substr(first_dot + 1, second_dot - first_dot - 1));
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std::string setting_key = var.substr(second_dot + 1);
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auto& controller = controllers.at(controller_index);
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if (setting_key == "name") {
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controller.name = value;
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} else if (setting_key == "player") {
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controller.player_id = std::clamp(std::stoi(value), 1, 2);
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} else if (setting_key == "type") {
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controller.type = static_cast<InputDevice>(std::stoi(value));
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} else if (setting_key == "button.fire_left") {
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controller.buttons.at(0) = static_cast<SDL_GamepadButton>(std::stoi(value));
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} else if (setting_key == "button.fire_center") {
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controller.buttons.at(1) = static_cast<SDL_GamepadButton>(std::stoi(value));
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} else if (setting_key == "button.fire_right") {
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controller.buttons.at(2) = static_cast<SDL_GamepadButton>(std::stoi(value));
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} else if (setting_key == "button.start") {
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controller.buttons.at(3) = static_cast<SDL_GamepadButton>(std::stoi(value));
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} else if (setting_key == "button.service") {
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controller.buttons.at(4) = static_cast<SDL_GamepadButton>(std::stoi(value));
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}
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}
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auto set(const std::string& var, const std::string& value) -> bool {
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// Clausula de protección: ignora líneas vacías o comentarios
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if (var.empty() || var.starts_with("#")) {
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return true;
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}
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// Un mapa estático asegura que se inicializa solo una vez
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static const std::map<std::string, std::function<void(const std::string&)>> SETTINGS_MAP = {
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// Ventana
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{"window.zoom", [](const auto& val) { window.zoom = std::stoi(val); }},
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// Vídeo
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{"video.fullscreen", [](const auto& val) { video.fullscreen = stringToBool(val); }},
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{"video.scale_mode", [](const auto& val) { video.scale_mode = static_cast<SDL_ScaleMode>(std::stoi(val)); }},
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{"video.shaders", [](const auto& val) { video.shaders = stringToBool(val); }},
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{"video.integer_scale", [](const auto& val) { video.integer_scale = stringToBool(val); }},
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{"video.vsync", [](const auto& val) { video.vsync = stringToBool(val); }},
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// Audio
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{"audio.enabled", [](const auto& val) { audio.enabled = stringToBool(val); }},
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{"audio.volume", [](const auto& val) { audio.volume = std::clamp(std::stoi(val), 0, 100); }},
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{"audio.music.enabled", [](const auto& val) { audio.music.enabled = stringToBool(val); }},
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{"audio.music.volume", [](const auto& val) { audio.music.volume = std::clamp(std::stoi(val), 0, 100); }},
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{"audio.sound.enabled", [](const auto& val) { audio.sound.enabled = stringToBool(val); }},
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{"audio.sound.volume", [](const auto& val) { audio.sound.volume = std::clamp(std::stoi(val), 0, 100); }},
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// Juego
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{"game.language", [](const auto& val) {
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settings.language = static_cast<Lang::Code>(std::stoi(val));
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pending_changes.new_language = settings.language;
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}},
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{"game.difficulty", [](const auto& val) {
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settings.difficulty = static_cast<Difficulty::Code>(std::stoi(val));
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pending_changes.new_difficulty = settings.difficulty;
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}},
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{"game.autofire", [](const auto& val) { settings.autofire = stringToBool(val); }},
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{"game.shutdown_enabled", [](const auto& val) { settings.shutdown_enabled = stringToBool(val); }}};
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// Maneja por separado la configuración general de los mandos
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if (var.starts_with("controller.")) {
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try {
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parseAndSetController(var, value);
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return true;
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} catch (const std::out_of_range& e) {
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// Error: por ejemplo, índice de mando fuera de rango
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return false;
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} catch (const std::invalid_argument& e) {
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// Error: por ejemplo, fallo en std::stoi
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return false;
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}
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}
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// Busca el nombre de la variable en el mapa
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if (auto it = SETTINGS_MAP.find(var); it != SETTINGS_MAP.end()) {
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try {
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// Ejecuta la función lambda asociada
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it->second(value);
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return true;
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} catch (const std::invalid_argument& e) {
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// Maneja casos donde std::stoi falla por entrada inválida
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return false;
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}
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}
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// Si la clave no se encontró en el mapa ni en la lógica de mandos
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return false;
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}
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// Asigna el teclado al jugador
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void setKeyboardToPlayer(int player_id) {
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for (auto& controller : controllers) {
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if (controller.player_id == player_id) {
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controller.type = InputDevice::ANY;
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} else {
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controller.type = InputDevice::CONTROLLER;
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}
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}
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}
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// Intercambia el teclado de jugador
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void swapKeyboard() {
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std::swap(controllers.at(0).type, controllers.at(1).type);
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}
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// Intercambia los jugadores asignados a los dos primeros mandos
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void swapControllers() {
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std::swap(controllers.at(0).player_id, controllers.at(1).player_id);
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std::swap(controllers.at(0).type, controllers.at(1).type);
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}
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// Averigua quien está usando el teclado
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auto getPlayerWhoUsesKeyboard() -> int {
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for (const auto& controller : controllers) {
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if (controller.type == InputDevice::ANY) {
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return controller.player_id;
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}
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}
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return 0;
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}
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// Aplica los cambios pendientes copiando los valores a sus variables
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void applyPendingChanges() {
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if (pending_changes.has_pending_changes) {
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settings.language = pending_changes.new_language;
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settings.difficulty = pending_changes.new_difficulty;
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pending_changes.has_pending_changes = false;
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}
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}
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void checkPendingChanges() {
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pending_changes.has_pending_changes = settings.language != pending_changes.new_language ||
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settings.difficulty != pending_changes.new_difficulty;
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}
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} // namespace Options
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