mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-08 12:19:37 +03:00
311 lines
8.0 KiB
C++
311 lines
8.0 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include "Game.h"
|
|
#include "LevelSelectDialog.h"
|
|
#include <AK/Random.h>
|
|
#include <LibGUI/Application.h>
|
|
#include <LibGUI/MessageBox.h>
|
|
#include <LibGUI/Painter.h>
|
|
#include <LibGfx/Font.h>
|
|
#include <LibGfx/StandardCursor.h>
|
|
#include <unistd.h>
|
|
|
|
namespace Breakout {
|
|
|
|
Game::Game()
|
|
{
|
|
set_override_cursor(Gfx::StandardCursor::Hidden);
|
|
auto level_dialog = LevelSelectDialog::show(m_board, window());
|
|
if (level_dialog != GUI::Dialog::ExecOK)
|
|
m_board = -1;
|
|
set_paused(false);
|
|
start_timer(16);
|
|
reset();
|
|
}
|
|
|
|
Game::~Game()
|
|
{
|
|
}
|
|
|
|
void Game::reset_paddle()
|
|
{
|
|
m_paddle.moving_left = false;
|
|
m_paddle.moving_right = false;
|
|
m_paddle.rect = { game_width / 2 - 40, game_height - 20, 80, 16 };
|
|
}
|
|
|
|
void Game::reset()
|
|
{
|
|
m_lives = 3;
|
|
m_pause_count = 0;
|
|
m_cheater = false;
|
|
reset_ball();
|
|
reset_paddle();
|
|
generate_bricks();
|
|
}
|
|
|
|
void Game::generate_bricks()
|
|
{
|
|
m_bricks = {};
|
|
|
|
Gfx::Color colors[] = {
|
|
Gfx::Color::Red,
|
|
Gfx::Color::Green,
|
|
Gfx::Color::Blue,
|
|
Gfx::Color::Yellow,
|
|
Gfx::Color::Magenta,
|
|
Gfx::Color::Cyan,
|
|
Gfx::Color::LightGray,
|
|
};
|
|
|
|
Vector<Brick> boards[] = {
|
|
// :^)
|
|
Vector({
|
|
Brick(0, 0, colors[3], 40, 12, 100),
|
|
Brick(0, 4, colors[3], 40, 12, 100),
|
|
Brick(1, 2, colors[3], 40, 12, 100),
|
|
Brick(1, 5, colors[3], 40, 12, 100),
|
|
Brick(2, 1, colors[3], 40, 12, 100),
|
|
Brick(2, 3, colors[3], 40, 12, 100),
|
|
Brick(2, 6, colors[3], 40, 12, 100),
|
|
Brick(3, 6, colors[3], 40, 12, 100),
|
|
Brick(4, 0, colors[3], 40, 12, 100),
|
|
Brick(4, 6, colors[3], 40, 12, 100),
|
|
Brick(5, 6, colors[3], 40, 12, 100),
|
|
Brick(6, 5, colors[3], 40, 12, 100),
|
|
Brick(7, 4, colors[3], 40, 12, 100),
|
|
})
|
|
};
|
|
|
|
if (m_board != -1) {
|
|
m_bricks = boards[m_board];
|
|
} else {
|
|
// Rainbow
|
|
for (int row = 0; row < 7; ++row) {
|
|
for (int column = 0; column < 10; ++column) {
|
|
Brick brick(row, column, colors[row]);
|
|
m_bricks.append(brick);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Game::set_paused(bool paused)
|
|
{
|
|
m_paused = paused;
|
|
|
|
if (m_paused) {
|
|
set_override_cursor(Gfx::StandardCursor::None);
|
|
m_pause_count++;
|
|
} else {
|
|
set_override_cursor(Gfx::StandardCursor::Hidden);
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
void Game::timer_event(Core::TimerEvent&)
|
|
{
|
|
if (m_paused)
|
|
return;
|
|
tick();
|
|
}
|
|
|
|
void Game::paint_event(GUI::PaintEvent& event)
|
|
{
|
|
GUI::Painter painter(*this);
|
|
painter.add_clip_rect(event.rect());
|
|
|
|
painter.fill_rect(rect(), Color::Black);
|
|
|
|
painter.fill_ellipse(enclosing_int_rect(m_ball.rect()), Color::Red);
|
|
|
|
painter.fill_rect(enclosing_int_rect(m_paddle.rect), Color::White);
|
|
|
|
for (auto& brick : m_bricks) {
|
|
if (!brick.dead)
|
|
painter.fill_rect(enclosing_int_rect(brick.rect), brick.color);
|
|
}
|
|
|
|
int msg_width = font().width(String::formatted("Lives: {}", m_lives));
|
|
int msg_height = font().glyph_height();
|
|
painter.draw_text({ (game_width - msg_width - 2), 2, msg_width, msg_height }, String::formatted("Lives: {}", m_lives), Gfx::TextAlignment::Center, Color::White);
|
|
|
|
if (m_paused) {
|
|
const char* msg = m_cheater ? "C H E A T E R" : "P A U S E D";
|
|
int msg_width = font().width(msg);
|
|
int msg_height = font().glyph_height();
|
|
painter.draw_text({ (game_width / 2) - (msg_width / 2), (game_height / 2) - (msg_height / 2), msg_width, msg_height }, msg, Gfx::TextAlignment::Center, Color::White);
|
|
}
|
|
}
|
|
|
|
void Game::keyup_event(GUI::KeyEvent& event)
|
|
{
|
|
if (m_paused)
|
|
return;
|
|
switch (event.key()) {
|
|
case Key_Left:
|
|
m_paddle.moving_left = false;
|
|
break;
|
|
case Key_Right:
|
|
m_paddle.moving_right = false;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Game::keydown_event(GUI::KeyEvent& event)
|
|
{
|
|
if (m_paused)
|
|
return;
|
|
switch (event.key()) {
|
|
case Key_Escape:
|
|
GUI::Application::the()->quit();
|
|
break;
|
|
case Key_Left:
|
|
m_paddle.moving_left = true;
|
|
break;
|
|
case Key_Right:
|
|
m_paddle.moving_right = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Game::mousemove_event(GUI::MouseEvent& event)
|
|
{
|
|
if (m_paused)
|
|
return;
|
|
float new_paddle_x = event.x() - m_paddle.rect.width() / 2;
|
|
new_paddle_x = max(0.0f, new_paddle_x);
|
|
new_paddle_x = min(game_width - m_paddle.rect.width(), new_paddle_x);
|
|
m_paddle.rect.set_x(new_paddle_x);
|
|
}
|
|
|
|
void Game::reset_ball()
|
|
{
|
|
int position_x_min = (game_width / 2) - 50;
|
|
int position_x_max = (game_width / 2) + 50;
|
|
int position_x = get_random<u32>() % (position_x_max - position_x_min + 1) + position_x_min;
|
|
int position_y = 200;
|
|
int velocity_x = get_random<u32>() % 3 + 1;
|
|
int velocity_y = 3 + (3 - velocity_x);
|
|
if (get_random<u32>() % 2)
|
|
velocity_x = velocity_x * -1;
|
|
|
|
m_ball = {};
|
|
m_ball.position = { position_x, position_y };
|
|
m_ball.velocity = { velocity_x, velocity_y };
|
|
}
|
|
|
|
void Game::hurt()
|
|
{
|
|
stop_timer();
|
|
m_lives--;
|
|
if (m_lives <= 0) {
|
|
update();
|
|
GUI::MessageBox::show(window(), "You lose!", "Breakout", GUI::MessageBox::Type::Information, GUI::MessageBox::InputType::OK);
|
|
reset();
|
|
}
|
|
sleep(1);
|
|
reset_ball();
|
|
reset_paddle();
|
|
start_timer(16);
|
|
}
|
|
|
|
void Game::win()
|
|
{
|
|
stop_timer();
|
|
update();
|
|
if (m_cheater) {
|
|
GUI::MessageBox::show(window(), "You cheated not only the game, but yourself.", "Breakout", GUI::MessageBox::Type::Information, GUI::MessageBox::InputType::OK);
|
|
} else {
|
|
GUI::MessageBox::show(window(), "You win!", "Breakout", GUI::MessageBox::Type::Information, GUI::MessageBox::InputType::OK);
|
|
}
|
|
reset();
|
|
start_timer(16);
|
|
}
|
|
|
|
void Game::tick()
|
|
{
|
|
auto new_ball = m_ball;
|
|
new_ball.position += new_ball.velocity;
|
|
|
|
if (new_ball.x() < new_ball.radius || new_ball.x() > game_width - new_ball.radius) {
|
|
new_ball.position.set_x(m_ball.x());
|
|
new_ball.velocity.set_x(new_ball.velocity.x() * -1);
|
|
}
|
|
|
|
if (new_ball.y() < new_ball.radius) {
|
|
new_ball.position.set_y(m_ball.y());
|
|
new_ball.velocity.set_y(new_ball.velocity.y() * -1);
|
|
}
|
|
|
|
if (new_ball.y() > game_height - new_ball.radius) {
|
|
hurt();
|
|
return;
|
|
}
|
|
|
|
if (new_ball.rect().intersects(m_paddle.rect)) {
|
|
new_ball.position.set_y(m_ball.y());
|
|
new_ball.velocity.set_y(new_ball.velocity.y() * -1);
|
|
|
|
float distance_to_middle_of_paddle = new_ball.x() - m_paddle.rect.center().x();
|
|
float relative_impact_point = distance_to_middle_of_paddle / m_paddle.rect.width();
|
|
new_ball.velocity.set_x(relative_impact_point * 7);
|
|
}
|
|
|
|
for (auto& brick : m_bricks) {
|
|
if (brick.dead)
|
|
continue;
|
|
if (new_ball.rect().intersects(brick.rect)) {
|
|
brick.dead = true;
|
|
|
|
auto overlap = new_ball.rect().intersected(brick.rect);
|
|
if (overlap.width() < overlap.height()) {
|
|
new_ball.position.set_x(m_ball.x());
|
|
new_ball.velocity.set_x(new_ball.velocity.x() * -1);
|
|
} else {
|
|
new_ball.position.set_y(m_ball.y());
|
|
new_ball.velocity.set_y(new_ball.velocity.y() * -1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool has_live_bricks = false;
|
|
for (auto& brick : m_bricks) {
|
|
if (!brick.dead) {
|
|
has_live_bricks = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!has_live_bricks) {
|
|
win();
|
|
return;
|
|
}
|
|
|
|
if (m_paddle.moving_left) {
|
|
m_paddle.rect.set_x(max(0.0f, m_paddle.rect.x() - m_paddle.speed));
|
|
}
|
|
if (m_paddle.moving_right) {
|
|
m_paddle.rect.set_x(min(game_width - m_paddle.rect.width(), m_paddle.rect.x() + m_paddle.speed));
|
|
}
|
|
|
|
m_ball = new_ball;
|
|
|
|
if (m_pause_count > 50)
|
|
m_cheater = true;
|
|
|
|
update();
|
|
}
|
|
|
|
}
|