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Snake: Add pause/continue game menu action

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This patch adds an action in the Snake's game menu that allows for easy
pausing/unpausing of the game state.

In order to do this, the commit adds new pause()/start() functions in
the SnakeGame class ;)
This commit is contained in:
Baitinq 2022-12-18 20:51:28 +01:00 • committed by Tim Flynn
parent 3de5dcf383
commit b354e858c8
3 changed files with 30 additions and 2 deletions
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15
Userland/Games/Snake/SnakeGame.cpp
View file

@ -59,6 +59,17 @@ SnakeGame::SnakeGame(NonnullRefPtrVector<Gfx::Bitmap> food_bitmaps)
m_high_score_text = DeprecatedString::formatted("Best: {}", m_high_score);
}
void SnakeGame::pause()
{
stop_timer();
}
void SnakeGame::start()
{
static constexpr int timer_ms = 100;
start_timer(timer_ms);
}
void SnakeGame::reset()
{
m_head = { m_rows / 2, m_columns / 2 };
@ -68,8 +79,8 @@ void SnakeGame::reset()
m_score_text = "Score: 0";
m_is_new_high_score = false;
m_velocity_queue.clear();
stop_timer();
start_timer(100);
pause();
start();
spawn_fruit();
update();
}

2
Userland/Games/Snake/SnakeGame.h
View file

@ -18,6 +18,8 @@ public:
static ErrorOr<NonnullRefPtr<SnakeGame>> create();
virtual ~SnakeGame() override = default;
void start();
void pause();
void reset();
private:

15
Userland/Games/Snake/main.cpp
View file

@ -53,6 +53,21 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
TRY(game_menu->try_add_action(GUI::Action::create("&New Game", { Mod_None, Key_F2 }, TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/reload.png"sv)), [&](auto&) {
game->reset();
})));
static DeprecatedString const pause_text = "&Pause Game"sv;
auto const pause_icon = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/pause.png"sv));
static DeprecatedString const continue_text = "&Continue Game"sv;
auto const continue_icon = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/play.png"sv));
TRY(game_menu->try_add_action(GUI::Action::create(pause_text, { Mod_None, Key_Space }, pause_icon, [&](auto& action) {
if (game->has_timer()) {
game->pause();
action.set_text(continue_text);
action.set_icon(continue_icon);
} else {
game->start();
action.set_text(pause_text);
action.set_icon(pause_icon);
}
})));
TRY(game_menu->try_add_separator());
TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
GUI::Application::the()->quit();