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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/CircularQueue.h>
#include <AK/NonnullRefPtrVector.h>
#include <LibGUI/Frame.h>
namespace Snake {
class Game : public GUI::Frame {
C_OBJECT_ABSTRACT(Game);
public:
static ErrorOr<NonnullRefPtr<Game>> try_create();
virtual ~Game() override = default;
void start();
void pause();
void reset();
void set_snake_base_color(Color color);
Function<bool(u32)> on_score_update;
private:
explicit Game(Vector<NonnullRefPtr<Gfx::Bitmap>> food_bitmaps);
virtual void paint_event(GUI::PaintEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void timer_event(Core::TimerEvent&) override;
struct Coordinate {
int row { 0 };
int column { 0 };
bool operator==(Coordinate const& other) const
{
return row == other.row && column == other.column;
}
};
struct Velocity {
int vertical { 0 };
int horizontal { 0 };
};
void game_over();
void spawn_fruit();
bool is_available(Coordinate const&);
void queue_velocity(int v, int h);
Velocity const& last_velocity() const;
Gfx::IntRect cell_rect(Coordinate const&) const;
int m_rows { 20 };
int m_columns { 20 };
Velocity m_velocity { 0, 1 };
Velocity m_last_velocity { 0, 1 };
CircularQueue<Velocity, 10> m_velocity_queue;
Coordinate m_head;
Vector<Coordinate> m_tail;
Coordinate m_fruit;
int m_fruit_type { 0 };
size_t m_length { 0 };
unsigned m_score { 0 };
bool m_is_new_high_score { false };
Vector<NonnullRefPtr<Gfx::Bitmap>> m_food_bitmaps;
Gfx::Color m_snake_base_color { Color::Yellow };
};
}
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