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Solitaire: Make Game creation fallible

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This commit is contained in:
Sam Atkins 2023-01-05 17:38:50 +00:00 • committed by Linus Groh
parent 6e0ad5536f
commit 306676792c
3 changed files with 27 additions and 20 deletions
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38
Userland/Games/Solitaire/Game.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2020, Till Mayer <till.mayer@web.de>
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
@ -19,24 +19,30 @@ namespace Solitaire {
static constexpr uint8_t new_game_animation_delay = 2;
static constexpr int s_timer_interval_ms = 1000 / 60;
Game::Game()
ErrorOr<NonnullRefPtr<Game>> Game::try_create()
{
MUST(add_stack(Gfx::IntPoint { 10, 10 }, CardStack::Type::Stock));
MUST(add_stack(Gfx::IntPoint { 10 + Card::width + 10, 10 }, CardStack::Type::Waste));
MUST(add_stack(Gfx::IntPoint { 10 + Card::width + 10, 10 }, CardStack::Type::Play, stack_at_location(Waste)));
MUST(add_stack(Gfx::IntPoint { Game::width - 4 * Card::width - 40, 10 }, CardStack::Type::Foundation));
MUST(add_stack(Gfx::IntPoint { Game::width - 3 * Card::width - 30, 10 }, CardStack::Type::Foundation));
MUST(add_stack(Gfx::IntPoint { Game::width - 2 * Card::width - 20, 10 }, CardStack::Type::Foundation));
MUST(add_stack(Gfx::IntPoint { Game::width - Card::width - 10, 10 }, CardStack::Type::Foundation));
MUST(add_stack(Gfx::IntPoint { 10, 10 + Card::height + 10 }, CardStack::Type::Normal));
MUST(add_stack(Gfx::IntPoint { 10 + Card::width + 10, 10 + Card::height + 10 }, CardStack::Type::Normal));
MUST(add_stack(Gfx::IntPoint { 10 + 2 * Card::width + 20, 10 + Card::height + 10 }, CardStack::Type::Normal));
MUST(add_stack(Gfx::IntPoint { 10 + 3 * Card::width + 30, 10 + Card::height + 10 }, CardStack::Type::Normal));
MUST(add_stack(Gfx::IntPoint { 10 + 4 * Card::width + 40, 10 + Card::height + 10 }, CardStack::Type::Normal));
MUST(add_stack(Gfx::IntPoint { 10 + 5 * Card::width + 50, 10 + Card::height + 10 }, CardStack::Type::Normal));
MUST(add_stack(Gfx::IntPoint { 10 + 6 * Card::width + 60, 10 + Card::height + 10 }, CardStack::Type::Normal));
auto game = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) Game()));
TRY(game->add_stack(Gfx::IntPoint { 10, 10 }, CardStack::Type::Stock));
TRY(game->add_stack(Gfx::IntPoint { 10 + Card::width + 10, 10 }, CardStack::Type::Waste));
TRY(game->add_stack(Gfx::IntPoint { 10 + Card::width + 10, 10 }, CardStack::Type::Play, game->stack_at_location(Waste)));
TRY(game->add_stack(Gfx::IntPoint { Game::width - 4 * Card::width - 40, 10 }, CardStack::Type::Foundation));
TRY(game->add_stack(Gfx::IntPoint { Game::width - 3 * Card::width - 30, 10 }, CardStack::Type::Foundation));
TRY(game->add_stack(Gfx::IntPoint { Game::width - 2 * Card::width - 20, 10 }, CardStack::Type::Foundation));
TRY(game->add_stack(Gfx::IntPoint { Game::width - Card::width - 10, 10 }, CardStack::Type::Foundation));
TRY(game->add_stack(Gfx::IntPoint { 10, 10 + Card::height + 10 }, CardStack::Type::Normal));
TRY(game->add_stack(Gfx::IntPoint { 10 + Card::width + 10, 10 + Card::height + 10 }, CardStack::Type::Normal));
TRY(game->add_stack(Gfx::IntPoint { 10 + 2 * Card::width + 20, 10 + Card::height + 10 }, CardStack::Type::Normal));
TRY(game->add_stack(Gfx::IntPoint { 10 + 3 * Card::width + 30, 10 + Card::height + 10 }, CardStack::Type::Normal));
TRY(game->add_stack(Gfx::IntPoint { 10 + 4 * Card::width + 40, 10 + Card::height + 10 }, CardStack::Type::Normal));
TRY(game->add_stack(Gfx::IntPoint { 10 + 5 * Card::width + 50, 10 + Card::height + 10 }, CardStack::Type::Normal));
TRY(game->add_stack(Gfx::IntPoint { 10 + 6 * Card::width + 60, 10 + Card::height + 10 }, CardStack::Type::Normal));
return game;
}
Game::Game() = default;
static float rand_float()
{
return get_random_uniform(RAND_MAX) / static_cast<float>(RAND_MAX);