init

SimpleGame/src/Source/Game.cpp

@@ -0,0 +1,77 @@
+#include "Game.hpp"
+#include <string>
+#include <iostream>
+#include <math.h>
+
+const sf::Time Game::TimePerFrame = sf::seconds(1.f / 60.f);
+
+Game::Game() {
+  assert(mFont.openFromFile("media/Sansation.ttf"));
+  // We do not need to do mStatisticsText.setFont(mFont); as mStatisticsText is
+  // initialized with a reference to mFont
+  mStatisticsText.setPosition({5.f, 5.f});
+  mStatisticsText.setCharacterSize(10);
+}
+
+void Game::run() {
+  sf::Clock clock;
+  sf::Time timeSinceLastUpdate = sf::Time::Zero;
+  AudioEmitter audioEmitter = AudioEmitter();
+  audioEmitter.generateMusic();
+  bool generated = false;
+  mWindow.setVerticalSyncEnabled(true);
+  while (mWindow.isOpen()) {
+    sf::Time elapsedTime = clock.restart();
+    timeSinceLastUpdate += elapsedTime;
+    while (timeSinceLastUpdate > TimePerFrame) {
+      if (32.f - fmod(audioEmitter.getTime(), 32.f) < audioEmitter.timeBeforeNewGeneration) {
+          if (!generated) {
+              audioEmitter.generateMusic();
+              generated = true;
+          }
+      } else {
+          generated = false;
+      }
+      timeSinceLastUpdate -= TimePerFrame;
+
+      processEvents(audioEmitter);
+      audioEmitter.audioUpdate();
+      update(TimePerFrame);
+    }
+
+    updateStatistics(audioEmitter);
+    render();
+  }
+}
+
+void Game::processEvents(AudioEmitter& audioEmitter) {
+  while (const std::optional event = mWindow.pollEvent()) {
+    if (const auto *keyPressed = event->getIf<sf::Event::KeyPressed>()) {
+      mTarget.handlePlayerInput(keyPressed->code, true);
+    } else if (const auto *keyReleased =
+                   event->getIf<sf::Event::KeyReleased>()) {
+      mTarget.handlePlayerInput(keyReleased->code, false);
+    } else if (event->is<sf::Event::Closed>()) {
+        audioEmitter.audioEnd();
+      mWindow.close();
+    }
+  }
+}
+
+void Game::update(const sf::Time elapsedTime) { mTarget.update(elapsedTime); }
+
+void Game::render() {
+  mWindow.clear();
+  mTarget.drawCurrent(mWindow);
+  mWindow.draw(mStatisticsText);
+  mWindow.display();
+}
+
+void Game::updateStatistics(AudioEmitter& audioEmitter) {
+    mStatisticsText.setString(std::format(
+        "Mesure = {}\nBeat = {} us", ceil(audioEmitter.getTime()/8.f),
+        ceil(fmod(audioEmitter.getTime(),8.f))));
+
+    mStatisticsUpdateTime -= sf::seconds(1.0f);
+    mStatisticsNumFrames = 0;
+}