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102 lines
2.6 KiB
102 lines
2.6 KiB
#include "imgui.h"
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#include "imgui-SFML.h"
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include <fmt/core.h>
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#include <SFML/Graphics/Sprite.hpp>
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#include <SFML/Graphics/Texture.hpp>
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#include <SFML/Graphics/RenderWindow.hpp>
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#include <SFML/System.hpp>
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#include <SFML/Audio.hpp>
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#include <SFML/Window/Event.hpp>
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constexpr int FPS=30;
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constexpr int X_DIM = 1920 / 2;
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constexpr int Y_DIM = 1080 / 2;
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void ImGui_setup(sf::RenderWindow &window) {
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bool res = ImGui::SFML::Init(window);
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fmt::println("IMGUI returned {}", res);
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}
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void ImGui_update(sf::RenderWindow &window, sf::Clock &deltaClock, sf::Time &tick) {
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ImGui::SFML::Update(window, deltaClock.restart());
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// ImGui::ShowDemoWindow();
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ImGui::Begin("Clock");
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sf::Vector2u size = window.getSize();
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ImGui::SetWindowPos(ImVec2(size.x - 150, 0));
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ImGui::SetWindowSize(ImVec2(150, 50));
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std::string msg = fmt::format("Time: {}\n", tick.asSeconds());
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ImGui::Button(msg.c_str());
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ImGui::End();
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}
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void Window_update(sf::RenderWindow &window) {
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window.clear();
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ImGui::SFML::Render(window);
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window.display();
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}
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void Handle_events(sf::RenderWindow &window) {
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sf::Event event;
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// is this a main event loop
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while (window.pollEvent(event)) {
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ImGui::SFML::ProcessEvent(window, event);
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switch(event.type) {
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case sf::Event::Closed:
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fmt::print("Exiting...\n");
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window.close();
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break;
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case sf::Event::KeyPressed:
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if(sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)) {
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window.close();
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}
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break;
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default:
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// do nothing
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break;
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}
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}
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}
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sf::Time Update_entities(sf::RenderWindow &window, sf::Clock &clock, sf::Clock &deltaClock, sf::Time &tick) {
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sf::Vector2u winSize = window.getSize();
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float timeStep = 1.0f / FPS;
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sf::Time since = clock.getElapsedTime();
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sf::Time nextTick = since - tick > sf::seconds(1) ? since : tick;
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ImGui_update(window, deltaClock, tick);
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Window_update(window);
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return nextTick;
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}
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int main() {
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fmt::print("Setting up a window for you...\n");
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sf::ContextSettings settings;
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settings.antialiasingLevel = 8;
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sf::RenderWindow window(sf::VideoMode(X_DIM, Y_DIM), "Turing's Tarpit", sf::Style::None, settings);
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window.setPosition({.x=0,.y=0});
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window.setFramerateLimit(FPS);
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window.setVerticalSyncEnabled(true);
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ImGui_setup(window);
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sf::Clock deltaClock;
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sf::Clock clock;
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sf::Time tick = clock.getElapsedTime();
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while (window.isOpen()) {
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Handle_events(window);
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// preparing for refactoring this into a class or struct for everything
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tick = Update_entities(window, clock, deltaClock, tick);
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}
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ImGui::SFML::Shutdown();
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}
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