342 lines
10 KiB
C++
342 lines
10 KiB
C++
#include "asset.h"
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#include <SDL3/SDL.h> // Para SDL_LogCategory, SDL_LogInfo, SDL_LogError, SDL_LogWarn
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#include <cstddef> // Para size_t
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#include <exception> // Para exception
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#include <fstream> // Para basic_istream, basic_ifstream, ifstream, istringstream
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#include <sstream> // Para basic_istringstream
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#include <stdexcept> // Para runtime_error
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#include "utils.h" // Para getFileName
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#include "resource_helper.h" // Para ResourceHelper
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// Singleton
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Asset *Asset::instance = nullptr;
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void Asset::init(const std::string &executable_path) {
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Asset::instance = new Asset(executable_path);
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}
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void Asset::destroy() {
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delete Asset::instance;
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}
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auto Asset::get() -> Asset * {
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return Asset::instance;
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}
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// Añade un elemento al mapa (función auxiliar)
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void Asset::addToMap(const std::string &file_path, Type type, bool required, bool absolute) {
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std::string full_path = absolute ? file_path : executable_path_ + file_path;
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std::string filename = getFileName(full_path);
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// Verificar si ya existe el archivo
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if (file_list_.find(filename) != file_list_.end()) {
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
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"Warning: Asset '%s' already exists, overwriting",
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filename.c_str());
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}
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file_list_.emplace(filename, Item{std::move(full_path), type, required});
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}
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// Añade un elemento a la lista
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void Asset::add(const std::string &file_path, Type type, bool required, bool absolute) {
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addToMap(file_path, type, required, absolute);
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}
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// Carga recursos desde un archivo de configuración con soporte para variables
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// Carga recursos desde un archivo de configuración con soporte para variables
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void Asset::loadFromFile(const std::string &config_file_path, const std::string &prefix, const std::string &system_folder) {
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std::ifstream file(config_file_path);
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if (!file.is_open()) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"Error: Cannot open config file: %s",
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config_file_path.c_str());
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return;
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}
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std::string line;
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int line_number = 0;
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while (std::getline(file, line)) {
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++line_number;
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// Limpiar espacios en blanco al principio y final
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line.erase(0, line.find_first_not_of(" \t\r"));
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line.erase(line.find_last_not_of(" \t\r") + 1);
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// DEBUG: mostrar línea leída (opcional, puedes comentar esta línea)
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// SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Line %d: '%s'", line_number, line.c_str());
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// Ignorar líneas vacías y comentarios
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if (line.empty() || line[0] == '#' || line[0] == ';') {
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continue;
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}
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// Dividir la línea por el separador '|'
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std::vector<std::string> parts;
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std::istringstream iss(line);
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std::string part;
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while (std::getline(iss, part, '|')) {
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parts.push_back(part);
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}
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// Verificar que tenemos al menos tipo y ruta
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if (parts.size() < 2) {
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
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"Warning: Malformed line %d in config file (insufficient fields)",
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line_number);
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continue;
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}
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try {
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const std::string &type_str = parts[0];
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std::string path = parts[1];
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// Valores por defecto
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bool required = true;
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bool absolute = false;
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// Si hay opciones en el tercer campo, parsearlas
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if (parts.size() >= 3) {
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parseOptions(parts[2], required, absolute);
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}
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// Reemplazar variables en la ruta
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path = replaceVariables(path, prefix, system_folder);
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// Parsear el tipo de asset
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Type type = parseAssetType(type_str);
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// Añadir al mapa
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addToMap(path, type, required, absolute);
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} catch (const std::exception &e) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"Error parsing line %d in config file: %s",
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line_number,
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e.what());
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}
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}
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
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"Loaded %d assets from config file",
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static_cast<int>(file_list_.size()));
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file.close();
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}
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// Devuelve la ruta completa a un fichero (búsqueda O(1))
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auto Asset::get(const std::string &filename) const -> std::string {
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auto it = file_list_.find(filename);
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if (it != file_list_.end()) {
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return it->second.file;
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}
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Warning: file %s not found", filename.c_str());
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return "";
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}
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// Carga datos del archivo usando ResourceHelper
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auto Asset::loadData(const std::string &filename) const -> std::vector<uint8_t> {
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auto it = file_list_.find(filename);
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if (it != file_list_.end()) {
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return ResourceHelper::loadFile(it->second.file);
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}
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SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Warning: file %s not found for data loading", filename.c_str());
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return {};
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}
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// Verifica si un recurso existe
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auto Asset::exists(const std::string &filename) const -> bool {
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return file_list_.find(filename) != file_list_.end();
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}
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// Comprueba que existen todos los elementos
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auto Asset::check() const -> bool {
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bool success = true;
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "\n** CHECKING FILES");
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// Agrupar por tipo para mostrar organizado
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std::unordered_map<Type, std::vector<const Item *>> by_type;
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for (const auto &[filename, item] : file_list_) {
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if (item.required) {
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by_type[item.type].push_back(&item);
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}
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}
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// Verificar por tipo
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for (int type = 0; type < static_cast<int>(Type::SIZE); ++type) {
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Type asset_type = static_cast<Type>(type);
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if (by_type.find(asset_type) != by_type.end()) {
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
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"\n>> %s FILES",
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getTypeName(asset_type).c_str());
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bool type_success = true;
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for (const auto *item : by_type[asset_type]) {
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if (!checkFile(item->file)) {
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success = false;
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type_success = false;
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}
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}
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if (type_success) {
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, " All files are OK.");
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}
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}
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}
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// Resultado
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if (success) {
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SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "\n** CHECKING FILES COMPLETED.\n");
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} else {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "\n** CHECKING FILES FAILED.\n");
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}
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return success;
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}
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// Comprueba que existe un fichero
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auto Asset::checkFile(const std::string &path) -> bool {
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// Intentar primero con ResourceHelper
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auto data = ResourceHelper::loadFile(path);
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bool success = !data.empty();
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// Si no se encuentra en el pack, intentar con filesystem directo
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if (!success) {
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std::ifstream file(path);
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success = file.good();
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file.close();
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}
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if (!success) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"Checking file: %s [ ERROR ]",
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getFileName(path).c_str());
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}
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return success;
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}
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// Parsea string a Type
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auto Asset::parseAssetType(const std::string &type_str) -> Type {
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if (type_str == "BITMAP") {
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return Type::BITMAP;
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}
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if (type_str == "MUSIC") {
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return Type::MUSIC;
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}
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if (type_str == "SOUND") {
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return Type::SOUND;
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}
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if (type_str == "FONT") {
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return Type::FONT;
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}
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if (type_str == "LANG") {
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return Type::LANG;
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}
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if (type_str == "DATA") {
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return Type::DATA;
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}
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if (type_str == "DEMODATA") {
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return Type::DEMODATA;
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}
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if (type_str == "ANIMATION") {
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return Type::ANIMATION;
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}
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if (type_str == "PALETTE") {
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return Type::PALETTE;
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}
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throw std::runtime_error("Unknown asset type: " + type_str);
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}
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// Devuelve el nombre del tipo de recurso
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auto Asset::getTypeName(Type type) -> std::string {
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switch (type) {
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case Type::BITMAP:
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return "BITMAP";
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case Type::MUSIC:
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return "MUSIC";
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case Type::SOUND:
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return "SOUND";
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case Type::FONT:
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return "FONT";
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case Type::LANG:
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return "LANG";
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case Type::DATA:
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return "DATA";
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case Type::DEMODATA:
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return "DEMODATA";
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case Type::ANIMATION:
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return "ANIMATION";
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case Type::PALETTE:
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return "PALETTE";
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default:
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return "ERROR";
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}
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}
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// Devuelve la lista de recursos de un tipo
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auto Asset::getListByType(Type type) const -> std::vector<std::string> {
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std::vector<std::string> list;
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for (const auto &[filename, item] : file_list_) {
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if (item.type == type) {
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list.push_back(item.file);
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}
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}
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return list;
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}
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// Reemplaza variables en las rutas
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auto Asset::replaceVariables(const std::string &path, const std::string &prefix, const std::string &system_folder) -> std::string {
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std::string result = path;
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// Reemplazar ${PREFIX}
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size_t pos = 0;
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while ((pos = result.find("${PREFIX}", pos)) != std::string::npos) {
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result.replace(pos, 9, prefix); // 9 = longitud de "${PREFIX}"
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pos += prefix.length();
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}
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// Reemplazar ${SYSTEM_FOLDER}
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pos = 0;
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while ((pos = result.find("${SYSTEM_FOLDER}", pos)) != std::string::npos) {
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result.replace(pos, 16, system_folder); // 16 = longitud de "${SYSTEM_FOLDER}"
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pos += system_folder.length();
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}
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return result;
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}
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// Parsea las opciones de una línea de configuración
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auto Asset::parseOptions(const std::string &options, bool &required, bool &absolute) -> void {
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if (options.empty()) {
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return;
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}
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std::istringstream iss(options);
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std::string option;
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while (std::getline(iss, option, ',')) {
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// Eliminar espacios
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option.erase(0, option.find_first_not_of(" \t"));
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option.erase(option.find_last_not_of(" \t") + 1);
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if (option == "optional") {
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required = false;
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} else if (option == "absolute") {
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absolute = true;
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}
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}
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} |