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Games: Move to Userland/Games/
This commit is contained in:
Andreas Kling
parent
b8d6a56fa3
commit
aa939c4b4b
49 changed files with 1 additions and 1 deletions
257
Userland/Games/Snake/SnakeGame.cpp
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257
Userland/Games/Snake/SnakeGame.cpp
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "SnakeGame.h"
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#include <LibCore/ConfigFile.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/FontDatabase.h>
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#include <stdlib.h>
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#include <time.h>
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SnakeGame::SnakeGame()
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{
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set_font(Gfx::FontDatabase::default_bold_fixed_width_font());
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m_fruit_bitmaps.append(*Gfx::Bitmap::load_from_file("/res/icons/snake/paprika.png"));
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m_fruit_bitmaps.append(*Gfx::Bitmap::load_from_file("/res/icons/snake/eggplant.png"));
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m_fruit_bitmaps.append(*Gfx::Bitmap::load_from_file("/res/icons/snake/cauliflower.png"));
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m_fruit_bitmaps.append(*Gfx::Bitmap::load_from_file("/res/icons/snake/tomato.png"));
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srand(time(nullptr));
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reset();
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auto config = Core::ConfigFile::get_for_app("Snake");
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m_high_score = config->read_num_entry("Snake", "HighScore", 0);
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m_high_score_text = String::formatted("Best: {}", m_high_score);
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}
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SnakeGame::~SnakeGame()
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{
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}
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void SnakeGame::reset()
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{
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m_head = { m_rows / 2, m_columns / 2 };
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m_tail.clear_with_capacity();
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m_length = 2;
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m_score = 0;
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m_score_text = "Score: 0";
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m_velocity_queue.clear();
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stop_timer();
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start_timer(100);
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spawn_fruit();
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update();
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}
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bool SnakeGame::is_available(const Coordinate& coord)
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{
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for (size_t i = 0; i < m_tail.size(); ++i) {
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if (m_tail[i] == coord)
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return false;
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}
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if (m_head == coord)
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return false;
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if (m_fruit == coord)
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return false;
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return true;
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}
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void SnakeGame::spawn_fruit()
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{
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Coordinate coord;
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for (;;) {
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coord.row = rand() % m_rows;
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coord.column = rand() % m_columns;
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if (is_available(coord))
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break;
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}
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m_fruit = coord;
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m_fruit_type = rand() % m_fruit_bitmaps.size();
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}
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Gfx::IntRect SnakeGame::score_rect() const
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{
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int score_width = font().width(m_score_text);
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return { width() - score_width - 2, height() - font().glyph_height() - 2, score_width, font().glyph_height() };
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}
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Gfx::IntRect SnakeGame::high_score_rect() const
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{
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int high_score_width = font().width(m_high_score_text);
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return { 2, height() - font().glyph_height() - 2, high_score_width, font().glyph_height() };
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}
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void SnakeGame::timer_event(Core::TimerEvent&)
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{
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Vector<Coordinate> dirty_cells;
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m_tail.prepend(m_head);
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if (m_tail.size() > m_length) {
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dirty_cells.append(m_tail.last());
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m_tail.take_last();
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}
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if (!m_velocity_queue.is_empty())
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m_velocity = m_velocity_queue.dequeue();
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dirty_cells.append(m_head);
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m_head.row += m_velocity.vertical;
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m_head.column += m_velocity.horizontal;
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m_last_velocity = m_velocity;
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if (m_head.row >= m_rows)
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m_head.row = 0;
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if (m_head.row < 0)
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m_head.row = m_rows - 1;
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if (m_head.column >= m_columns)
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m_head.column = 0;
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if (m_head.column < 0)
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m_head.column = m_columns - 1;
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dirty_cells.append(m_head);
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for (size_t i = 0; i < m_tail.size(); ++i) {
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if (m_head == m_tail[i]) {
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game_over();
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return;
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}
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}
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if (m_head == m_fruit) {
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++m_length;
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++m_score;
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m_score_text = String::formatted("Score: {}", m_score);
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if (m_score > m_high_score) {
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m_high_score = m_score;
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m_high_score_text = String::formatted("Best: {}", m_high_score);
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update(high_score_rect());
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auto config = Core::ConfigFile::get_for_app("Snake");
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config->write_num_entry("Snake", "HighScore", m_high_score);
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}
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update(score_rect());
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dirty_cells.append(m_fruit);
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spawn_fruit();
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dirty_cells.append(m_fruit);
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}
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for (auto& coord : dirty_cells) {
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update(cell_rect(coord));
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}
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}
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void SnakeGame::keydown_event(GUI::KeyEvent& event)
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{
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switch (event.key()) {
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case KeyCode::Key_A:
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case KeyCode::Key_Left:
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if (last_velocity().horizontal == 1)
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break;
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queue_velocity(0, -1);
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break;
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case KeyCode::Key_D:
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case KeyCode::Key_Right:
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if (last_velocity().horizontal == -1)
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break;
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queue_velocity(0, 1);
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break;
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case KeyCode::Key_W:
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case KeyCode::Key_Up:
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if (last_velocity().vertical == 1)
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break;
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queue_velocity(-1, 0);
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break;
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case KeyCode::Key_S:
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case KeyCode::Key_Down:
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if (last_velocity().vertical == -1)
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break;
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queue_velocity(1, 0);
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break;
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default:
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break;
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}
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}
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Gfx::IntRect SnakeGame::cell_rect(const Coordinate& coord) const
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{
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auto game_rect = rect();
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auto cell_size = Gfx::IntSize(game_rect.width() / m_columns, game_rect.height() / m_rows);
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return {
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coord.column * cell_size.width(),
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coord.row * cell_size.height(),
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cell_size.width(),
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cell_size.height()
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};
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}
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void SnakeGame::paint_event(GUI::PaintEvent& event)
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{
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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painter.fill_rect(event.rect(), Color::Black);
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painter.fill_rect(cell_rect(m_head), Color::Yellow);
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for (auto& part : m_tail) {
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auto rect = cell_rect(part);
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painter.fill_rect(rect, Color::from_rgb(0xaaaa00));
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Gfx::IntRect left_side(rect.x(), rect.y(), 2, rect.height());
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Gfx::IntRect top_side(rect.x(), rect.y(), rect.width(), 2);
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Gfx::IntRect right_side(rect.right() - 1, rect.y(), 2, rect.height());
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Gfx::IntRect bottom_side(rect.x(), rect.bottom() - 1, rect.width(), 2);
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painter.fill_rect(left_side, Color::from_rgb(0xcccc00));
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painter.fill_rect(right_side, Color::from_rgb(0x888800));
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painter.fill_rect(top_side, Color::from_rgb(0xcccc00));
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painter.fill_rect(bottom_side, Color::from_rgb(0x888800));
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}
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painter.draw_scaled_bitmap(cell_rect(m_fruit), m_fruit_bitmaps[m_fruit_type], m_fruit_bitmaps[m_fruit_type].rect());
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painter.draw_text(high_score_rect(), m_high_score_text, Gfx::TextAlignment::TopLeft, Color::from_rgb(0xfafae0));
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painter.draw_text(score_rect(), m_score_text, Gfx::TextAlignment::TopLeft, Color::White);
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}
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void SnakeGame::game_over()
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{
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reset();
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}
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void SnakeGame::queue_velocity(int v, int h)
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{
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if (last_velocity().vertical == v && last_velocity().horizontal == h)
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return;
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m_velocity_queue.enqueue({ v, h });
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}
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const SnakeGame::Velocity& SnakeGame::last_velocity() const
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{
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if (!m_velocity_queue.is_empty())
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return m_velocity_queue.last();
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return m_last_velocity;
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}
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