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/*
* Copyright (c) 2020-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <LibGUI/Application.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/MouseTracker.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font.h>
#include <LibGfx/StandardCursor.h>
namespace Pong {
class Game final : public GUI::Widget
, GUI::MouseTracker {
C_OBJECT(Game);
public:
static const int game_width = 560;
static const int game_height = 480;
virtual ~Game() override = default;
private:
Game();
virtual void paint_event(GUI::PaintEvent&) override;
virtual void keyup_event(GUI::KeyEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void timer_event(Core::TimerEvent&) override;
virtual void track_mouse_move(Gfx::IntPoint const&) override;
void reset();
void reset_ball(int serve_to_player);
void reset_paddles();
void tick();
void round_over(int player);
void game_over(int player);
void calculate_move();
struct Ball {
Gfx::FloatPoint position;
Gfx::FloatPoint velocity;
float radius { 4 };
float x() const { return position.x(); }
float y() const { return position.y(); }
Gfx::FloatRect rect() const
{
return { x() - radius, y() - radius, radius * 2, radius * 2 };
}
};
struct Paddle {
Gfx::FloatRect rect;
float speed { 5 };
float width { 8 };
float height { 28 };
bool moving_up { false };
bool moving_down { false };
Gfx::Color color { Color::White };
};
struct Net {
Gfx::Color color { Color::White };
Gfx::FloatRect rect() const
{
return { (game_width / 2) - 1, 0, 2, game_height };
}
};
constexpr static int score_margin = 5;
Gfx::IntRect player_1_score_rect() const
{
int score_width = font().width(String::formatted("{}", m_player_1_score));
return { (game_width / 2) + score_margin, score_margin, score_width, font().glyph_height() };
}
Gfx::IntRect player_2_score_rect() const
{
int score_width = font().width(String::formatted("{}", m_player_2_score));
return { (game_width / 2) - score_width - score_margin, score_margin, score_width, font().glyph_height() };
}
Gfx::IntRect cursor_paddle_target_rect() const
{
int radius = 3;
int center_x = m_player1_paddle.rect.center().x();
int center_y = *m_cursor_paddle_target_y + m_player1_paddle.rect.height() / 2;
return { center_x - radius, center_y - radius, 2 * radius, 2 * radius };
}
Net m_net;
Ball m_ball;
Paddle m_player1_paddle;
Paddle m_player2_paddle;
int m_score_to_win = 21;
int m_player_1_score = 0;
int m_player_2_score = 0;
Optional<int> m_cursor_paddle_target_y;
bool m_up_key_held = false;
bool m_down_key_held = false;
};
}
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