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#include <SFML/Window.hpp>
#include <SFML/Graphics.hpp>
#include <random>
#include <windows.h>
#include "Node.h"
#include <thread>
#include <stack>
const int WINDOW_X = 300;
const int WINDOW_Y = 300;
float elap_time() {
static std::chrono::time_point<std::chrono::system_clock> start;
static bool started = false;
if (!started) {
start = std::chrono::system_clock::now();
started = true;
}
std::chrono::time_point<std::chrono::system_clock> now = std::chrono::system_clock::now();
std::chrono::duration<double> elapsed_time = now - start;
return static_cast<float>(elapsed_time.count());
}
void updateRange(std::vector<Node> *node_vec, int start_range_, int end_range_) {
for (int i = start_range_; i < end_range_; i++) {
node_vec->operator[](i).Update(node_vec);
}
}
int main() {
std::mt19937 rng(time(NULL));
std::uniform_int_distribution<int> rgen(0, 19);
std::vector<Node> node_vec;
// Init nodes, random value, push to front_stack
for (int x = 0; x < Node::x_bound; x++) {
for (int y = 0; y < Node::y_bound; y++) {
node_vec.push_back(Node(sf::Vector2i(x, y)));
if ((x % 5 == 0) || (y % 8 == 0)) {
node_vec.at(node_vec.size() - 1).Revive();
}
}
}
// Init window, and loop data
sf::RenderWindow window(sf::VideoMode(WINDOW_X, WINDOW_Y), "Classic Games");
float step_size = 0.0005f;
double frame_time = 0.0, elapsed_time = 0.0, delta_time = 0.0, accumulator_time = 0.0, current_time = 0.0;
int frame_count = 0;
std::stack<std::thread> thread_stack;
sf::Uint8* pixel_array = new sf::Uint8[WINDOW_X * WINDOW_Y * 4];
sf::Texture texture;
texture.create(WINDOW_X, WINDOW_Y);
sf::Sprite sprite(texture);
while (window.isOpen()) {
sf::Event event;
while (window.pollEvent(event)) {
if (event.type == sf::Event::Closed)
window.close();
}
// Time keeping
elapsed_time = elap_time();
delta_time = elapsed_time - current_time;
current_time = elapsed_time;
if (delta_time > 0.02f)
delta_time = 0.02f;
accumulator_time += delta_time;
while ((accumulator_time - step_size) >= step_size) {
accumulator_time -= step_size;
// Do nothing, FPS tied update()
}
for (int i = 0; i < 12; i++) {
thread_stack.emplace(updateRange, &node_vec, (node_vec.size() / 12)* i, (node_vec.size() / 12)* (i + 1));
}
while (!thread_stack.empty()) {
thread_stack.top().join();
thread_stack.pop();
}
for (int i = 0; i < node_vec.size(); i++) {
node_vec[i].ShiftState();
if (node_vec[i].CurrentState() == true) {
pixel_array[i * 4] = 112; // R?
pixel_array[i * 4 + 1] = 190; // G?
pixel_array[i * 4 + 2] = 249; // B?
pixel_array[i * 4 + 3] = 255; // A?
}
else {
pixel_array[i * 4] *= 0.999;// 49; // R?
//pixel_array[i * 4 + 1] *= 0.999;//68; // G?
pixel_array[i * 4 + 2] *= 0.999;//72; // B?
pixel_array[i * 4 + 3] *= 0.999;//255; // A?
}
}
window.clear();
texture.update(pixel_array);
window.draw(sprite);
window.display();
}
return 0;
}