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FlappyBug: Propagate errors in Bug class

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Move-construct Bug into the Game class to improve
error handling.
This commit is contained in:
creator1creeper1 2021-12-23 22:21:33 +01:00 • committed by Brian Gianforcaro
parent a67afa735c
commit ff359c27e3
3 changed files with 21 additions and 5 deletions
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21
Userland/Games/FlappyBug/Game.h
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@ -44,11 +44,26 @@ public:
const float x { 50 };
const float radius { 16 };
const float starting_y { 200 };
NonnullRefPtr<Gfx::Bitmap> falling_bitmap { Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/falling.png").release_value_but_fixme_should_propagate_errors() };
NonnullRefPtr<Gfx::Bitmap> flapping_bitmap { Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/flapping.png").release_value_but_fixme_should_propagate_errors() };
NonnullRefPtr<Gfx::Bitmap> falling_bitmap;
NonnullRefPtr<Gfx::Bitmap> flapping_bitmap;
float y {};
float velocity {};
private:
Bug(NonnullRefPtr<Gfx::Bitmap> falling_bitmap_value, NonnullRefPtr<Gfx::Bitmap> flapping_bitmap_value)
: falling_bitmap(move(falling_bitmap_value))
, flapping_bitmap(move(flapping_bitmap_value))
{
}
public:
static ErrorOr<Bug> construct()
{
NonnullRefPtr<Gfx::Bitmap> falling_bitmap = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/falling.png"));
NonnullRefPtr<Gfx::Bitmap> flapping_bitmap = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/flappybug/flapping.png"));
return Bug(move(falling_bitmap), move(flapping_bitmap));
}
void reset()
{
y = starting_y;
@ -153,7 +168,7 @@ 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();
Game(Bug);
};
}