now uses cmake

main.cpp

@@ -0,0 +1,128 @@
+#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;
+
+}
+