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Snake: Make initialization from GML fallible

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Replace the C_OBJECT factory functions with a custom try_create() which
loads the various bitmaps. Any failures there are now propagated.
This commit is contained in:
Sam Atkins 2022-12-29 17:31:34 +00:00 • committed by Tim Flynn
parent b32f5dbcff
commit 2069a5a2a0
3 changed files with 11 additions and 9 deletions
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12
Userland/Games/Snake/Game.cpp
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@ -19,7 +19,7 @@ REGISTER_WIDGET(Snake, Game);
namespace Snake {
static NonnullRefPtrVector<Gfx::Bitmap> load_food_bitmaps()
ErrorOr<NonnullRefPtr<Game>> Game::try_create()
{
static constexpr auto food_bitmaps_files = Array {
"/res/emoji/U+1F41F.png"sv,
@ -54,23 +54,23 @@ static NonnullRefPtrVector<Gfx::Bitmap> load_food_bitmaps()
};
NonnullRefPtrVector<Gfx::Bitmap> food_bitmaps;
food_bitmaps.ensure_capacity(food_bitmaps_files.size());
TRY(food_bitmaps.try_ensure_capacity(food_bitmaps_files.size()));
for (auto file : food_bitmaps_files) {
auto bitmap = Gfx::Bitmap::try_load_from_file(file);
if (bitmap.is_error()) {
dbgln("\033[31;1mCould not load bitmap file\033[0m '{}': {}", file, bitmap.error());
VERIFY_NOT_REACHED();
return bitmap.release_error();
}
food_bitmaps.unchecked_append(bitmap.release_value());
}
return food_bitmaps;
return adopt_nonnull_ref_or_enomem(new (nothrow) Game(move(food_bitmaps)));
}
Game::Game()
: m_food_bitmaps(load_food_bitmaps())
Game::Game(NonnullRefPtrVector<Gfx::Bitmap> food_bitmaps)
: m_food_bitmaps(move(food_bitmaps))
{
set_font(Gfx::FontDatabase::default_fixed_width_font().bold_variant());
reset();