system/serenity
system/serenity
1
0
Fork 0
mirror of https://github.com/SerenityOS/serenity synced 2024-09-06 17:06:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

FlappyBug: Persist high score to disk

Browse source 
Previously, the high score was only in-memory, so only persisted for as
long as the FlappyBug window was open.
This commit is contained in:
Timothy Flynn 2021-06-22 10:50:54 -04:00 committed by Andreas Kling
parent 25c53e35e7
commit 1a2053781f
3 changed files with 30 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
Userland/Games/FlappyBug/Game.cpp
View file

@ -27,9 +27,9 @@ void Game::reset()
void Game::game_over()
{
if (m_highscore.value_or(0) < m_difficulty) {
m_highscore = m_difficulty;
}
if (on_game_end)
m_highscore = on_game_end(static_cast<u32>(m_difficulty));
reset();
}

2
Userland/Games/FlappyBug/Game.h
View file

@ -25,6 +25,8 @@ public:
static const int game_width = 560;
static const int game_height = 480;
Function<u32(u32)> on_game_end;
private:
Game();

27
Userland/Games/FlappyBug/main.cpp
View file

@ -5,10 +5,12 @@
*/
#include "Game.h"
#include <LibCore/ConfigFile.h>
#include <LibGUI/Application.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Window.h>
#include <unistd.h>
@ -20,6 +22,7 @@ int main(int argc, char** argv)
}
auto app = GUI::Application::construct(argc, argv);
auto config = Core::ConfigFile::get_for_app("FlappyBug");
if (pledge("stdio rpath wpath cpath recvfd sendfd", nullptr) < 0) {
perror("pledge");
@ -31,11 +34,18 @@ int main(int argc, char** argv)
return 1;
}
if (unveil(config->filename().characters(), "crw") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
u32 high_score = static_cast<u32>(config->read_num_entry("Game", "HighScore", 0));
auto window = GUI::Window::construct();
window->resize(FlappyBug::Game::game_width, FlappyBug::Game::game_height);
auto app_icon = GUI::Icon::default_icon("app-flappybug");
@ -43,8 +53,20 @@ int main(int argc, char** argv)
window->set_title("Flappy Bug");
window->set_double_buffering_enabled(false);
window->set_resizable(false);
window->set_main_widget<FlappyBug::Game>();
window->show();
auto& widget = window->set_main_widget<FlappyBug::Game>();
widget.on_game_end = [&](u32 score) {
if (score <= high_score)
return high_score;
config->write_num_entry("Game", "HighScore", static_cast<int>(score));
high_score = score;
if (!config->sync())
GUI::MessageBox::show(window, "Configuration could not be saved", "Error", GUI::MessageBox::Type::Error);
return high_score;
};
auto menubar = GUI::Menubar::construct();
@ -57,6 +79,7 @@ int main(int argc, char** argv)
help_menu.add_action(GUI::CommonActions::make_about_action("Flappy Bug", app_icon, window));
window->set_menubar(move(menubar));
window->show();
return app->exec();
}