136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
#include "manage_hiscore_table.h"
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#include <SDL2/SDL_error.h> // for SDL_GetError
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#include <SDL2/SDL_rwops.h> // for SDL_RWread, SDL_RWwrite, SDL_RWFromFile
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#include <stdlib.h> // for free, malloc
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#include <algorithm> // for sort
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#include <iostream> // for basic_ostream, char_traits, operator<<
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#include "utils.h" // for HiScoreEntry
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// Constructor
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ManageHiScoreTable::ManageHiScoreTable(std::vector<HiScoreEntry> *table)
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: table_(table) {}
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// Resetea la tabla a los valores por defecto
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void ManageHiScoreTable::clear()
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{
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// Limpia la tabla
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table_->clear();
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// Añade 10 entradas predefinidas
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table_->push_back({"Bry", 1000000});
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table_->push_back({"Usufondo", 500000});
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table_->push_back({"G.Lucas", 100000});
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table_->push_back({"P.Delgat", 50000});
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table_->push_back({"P.Arrabalera", 10000});
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table_->push_back({"Pelechano", 5000});
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table_->push_back({"Sahuquillo", 1000});
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table_->push_back({"Bacteriol", 500});
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table_->push_back({"Pepe", 200});
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table_->push_back({"Rosita", 100});
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}
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// Añade un elemento a la tabla
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void ManageHiScoreTable::add(HiScoreEntry entry)
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{
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// Añade la entrada a la tabla
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table_->push_back(entry);
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// Ordena la tabla
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sort();
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// Deja solo las 10 primeras entradas
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if (static_cast<int>(table_->size()) > 10)
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{
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table_->resize(10);
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}
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}
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// Ordena la tabla
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void ManageHiScoreTable::sort()
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{
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struct
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{
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bool operator()(const HiScoreEntry &a, const HiScoreEntry &b) const { return a.score > b.score; }
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} custom_less;
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std::sort(table_->begin(), table_->end(), custom_less);
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}
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// Carga la tabla con los datos de un fichero
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bool ManageHiScoreTable::loadFromFile(const std::string &file_path)
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{
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clear();
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auto success = true;
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auto file = SDL_RWFromFile(file_path.c_str(), "r+b");
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if (file)
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{
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const std::string file_name = file_path.substr(file_path.find_last_of("\\/") + 1);
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std::cout << "Reading file: " << file_name << std::endl;
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for (auto &entry : *table_)
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{
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int nameSize = 0;
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if (SDL_RWread(file, &entry.score, sizeof(int), 1) == 0)
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{
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success = false;
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break;
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}
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if (SDL_RWread(file, &nameSize, sizeof(int), 1) == 0)
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{
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success = false;
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break;
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}
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std::vector<char> nameBuffer(nameSize + 1);
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if (SDL_RWread(file, nameBuffer.data(), sizeof(char) * nameSize, 1) == 0)
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{
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success = false;
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break;
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}
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nameBuffer[nameSize] = '\0';
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entry.name = std::string(nameBuffer.data());
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}
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SDL_RWclose(file);
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}
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if (!success)
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{
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clear();
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}
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return success;
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}
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// Guarda la tabla en un fichero
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bool ManageHiScoreTable::saveToFile(const std::string &file_path)
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{
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const std::string file_name = file_path.substr(file_path.find_last_of("\\/") + 1);
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auto success = true;
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auto file = SDL_RWFromFile(file_path.c_str(), "w+b");
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if (file)
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{
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// Guarda los datos
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for (int i = 0; i < (int)table_->size(); ++i)
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{
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SDL_RWwrite(file, &table_->at(i).score, sizeof(int), 1);
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const int nameSize = (int)table_->at(i).name.size();
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SDL_RWwrite(file, &nameSize, sizeof(int), 1);
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SDL_RWwrite(file, table_->at(i).name.c_str(), nameSize, 1);
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}
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std::cout << "Writing file: " << file_name.c_str() << std::endl;
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// Cierra el fichero
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SDL_RWclose(file);
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}
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else
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{
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std::cout << "Error: Unable to save " << file_name.c_str() << " file! " << SDL_GetError() << std::endl;
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}
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return success;
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} |