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/*
* Copyright (c) 2021, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "Game.h"
#include <LibGUI/Painter.h>
#include <stdlib.h>
#include <time.h>
Game::Game()
{
reset();
}
Game::~Game()
{
}
void Game::reset()
{
stop_timer();
seed_universe();
start_timer(m_sleep);
update();
}
void Game::seed_universe()
{
for (int y = 0; y < m_rows; y++) {
for (int x = 0; x < m_columns; x++) {
m_universe[y][x] = (arc4random() % 2) ? 1 : 0;
}
}
}
void Game::update_universe()
{
bool new_universe[m_rows][m_columns];
for (int y = 0; y < m_rows; y++) {
for (int x = 0; x < m_columns; x++) {
int n = 0;
auto cell = m_universe[y][x];
for (int y1 = y - 1; y1 <= y + 1; y1++) {
for (int x1 = x - 1; x1 <= x + 1; x1++) {
if (m_universe[(y1 + m_rows) % m_rows][(x1 + m_columns) % m_columns]) {
n++;
}
}
}
if (cell)
n--;
if (n == 3 || (n == 2 && cell))
new_universe[y][x] = true;
else
new_universe[y][x] = false;
}
}
for (int y = 0; y < m_rows; y++) {
for (int x = 0; x < m_columns; x++) {
m_universe[y][x] = new_universe[y][x];
}
}
}
void Game::timer_event(Core::TimerEvent&)
{
update_universe();
update();
}
void Game::paint_event(GUI::PaintEvent& event)
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(event.rect(), m_dead_color);
auto game_rect = rect();
auto cell_size = Gfx::IntSize(game_rect.width() / m_columns, game_rect.height() / m_rows);
auto x_margin = (game_rect.width() - (cell_size.width() * m_columns)) / 2;
auto y_margin = (game_rect.height() - (cell_size.height() * m_rows)) / 2;
for (int y = 0; y < m_rows; y++) {
for (int x = 0; x < m_columns; x++) {
Gfx::IntRect rect {
x * cell_size.width() + x_margin,
y * cell_size.height() + y_margin,
cell_size.width(),
cell_size.height()
};
painter.fill_rect(rect, m_universe[y][x] ? m_alive_color : m_dead_color);
}
}
}
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