Files
coffee-crisis-ae/source/manage_hiscore_table.cpp
T

146 lines
3.8 KiB
C++

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