void History::parseHistory(const std::string &directory)
{
std::vector<std::string> log_files = getLogFiles(directory);
for(auto &file : log_files)
{
// First of all, we need to parse the file name itself
// Extract hostname
auto hostname_pos = file.find_first_of('-');
std::string hostname = file.substr(0, hostname_pos);
// Extract rank
auto rank_pos = file.find_first_of('_') - 1;
uint16_t rank = std::stoi(file.substr(hostname_pos + 1, rank_pos));
// Extract tick
auto tick_pos = file.find_first_of('-', rank_pos) + 1;
uint32_t tick = std::stoi(file.substr(tick_pos));
this->history_states.emplace(tick, std::unique_ptr<HistoryState> (new HistoryState(hostname, rank, tick)));
// Now parse the contents of the archive
std::ifstream log(file);
cereal::BinaryInputArchive archive(log);
std::vector<std::unique_ptr<Creature>> temp_creatures;
archive(temp_creatures);
for(auto &creature : temp_creatures)
{
history_states[tick]->addCreature(creature, this->scale);
GraphicalCreature* graphical_creature = history_states[tick]->getLastCreature();
const std::string species = graphical_creature->getSpecies();
graphical_creature->setPixmap(&images[species]);
// Store the tick of this creature in 0 so compare with later during rendering
graphical_creature->setData(0, QVariant(tick));
// Store pointer to View in 1 so we can get the slider value later
GraphicsView *gview = static_cast<GraphicsView*>(this->scene->views().first());
View *view = gview->getView();
graphical_creature->setData(1, QVariant::fromValue(view));
this->scene->addItem(graphical_creature);
}
}
}
History::History(quint16 size_x, quint16 size_y, quint32 max_tick, quint16 scale, QGraphicsScene *scene) :
sizeX(size_x), sizeY(size_y), maxTick(max_tick), scale(scale), scene(scene)
{
// Preload pixmaps
std::vector<std::string> species {"goblin", "hobbit", "orc", "elf", "dwarf", "human", "rock"};
for(auto &s : species)
{
images[s] = QPixmap(QString::fromStdString(":/images/" + s + ".png"));
}
// Make a grid
for (int x = 0; x <= sizeX * scale; x += scale)
scene->addLine(x, 0, x, sizeX * scale, QPen(Qt::black));
for (int y = 0; y <= sizeY * scale; y += scale)
scene->addLine(0, y, sizeY * scale, y, QPen(Qt::black));
// Set slider to proper max value
GraphicsView *view = static_cast<GraphicsView*>(this->scene->views().first());
view->getView()->setMaximumTick(maxTick);
}