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FlappyBug: Propagate errors in Cloud class

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Move-construct Cloud into the Game class to improve
error handling.
This commit is contained in:
creator1creeper1 2021-12-23 22:29:00 +01:00 • committed by Brian Gianforcaro
parent ff359c27e3
commit 6f592a32cc
3 changed files with 19 additions and 9 deletions
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3
Userland/Games/FlappyBug/Game.cpp
View file

@ -8,8 +8,9 @@
namespace FlappyBug {
Game::Game(Bug bug)
Game::Game(Bug bug, Cloud cloud)
: m_bug(move(bug))
, m_cloud(move(cloud))
{
set_override_cursor(Gfx::StandardCursor::Hidden);
start_timer(16);

23
Userland/Games/FlappyBug/Game.h
View file

@ -122,21 +122,30 @@ public:
};
struct Cloud {
Vector<NonnullRefPtr<Gfx::Bitmap>> const cloud_bitmaps {
Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/cloud_0.png").release_value_but_fixme_should_propagate_errors(),
Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/cloud_1.png").release_value_but_fixme_should_propagate_errors(),
Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/cloud_2.png").release_value_but_fixme_should_propagate_errors(),
};
Vector<NonnullRefPtr<Gfx::Bitmap>> const cloud_bitmaps;
float x {};
float y {};
int bitmap_id {};
Cloud()
private:
Cloud(Vector<NonnullRefPtr<Gfx::Bitmap>> const cloud_bitmaps_value)
: cloud_bitmaps(move(cloud_bitmaps_value))
{
reset();
x = get_random_uniform(game_width);
}
public:
static ErrorOr<Cloud> construct()
{
Vector<NonnullRefPtr<Gfx::Bitmap>> const cloud_bitmaps {
TRY(Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/cloud_0.png")),
TRY(Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/cloud_1.png")),
TRY(Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/cloud_2.png")),
};
return Cloud(move(cloud_bitmaps));
}
void reset()
{
bitmap_id = get_random_uniform(cloud_bitmaps.size());
@ -168,7 +177,7 @@ private:
const Gfx::IntRect m_score_rect { 10, 10, 20, 20 };
const Gfx::IntRect m_text_rect { game_width / 2 - 80, game_height / 2 - 40, 160, 80 };
Game(Bug);
Game(Bug, Cloud);
};
}

2
Userland/Games/FlappyBug/main.cpp
View file

@ -37,7 +37,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
window->set_title("Flappy Bug");
window->set_double_buffering_enabled(false);
window->set_resizable(false);
auto widget = TRY(window->try_set_main_widget<FlappyBug::Game>(TRY(FlappyBug::Game::Bug::construct())));
auto widget = TRY(window->try_set_main_widget<FlappyBug::Game>(TRY(FlappyBug::Game::Bug::construct()), TRY(FlappyBug::Game::Cloud::construct())));
widget->on_game_end = [&](u32 score) {
if (score <= high_score)