From 16652236a09e8e703eec1cf0e040a16ab9350c40 Mon Sep 17 00:00:00 2001
From: Mylloon <kennel.anri@tutanota.com>
Date: Sat, 30 Dec 2023 22:52:38 +0100
Subject: [PATCH] Affichage des FPS

---
 includes/Ecran.hpp | 12 ++++++++++--
 src/Ecran.cpp      | 24 +++++++++++++++++++++++-
 src/main.cpp       |  1 +
 3 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/includes/Ecran.hpp b/includes/Ecran.hpp
index 3890e90..63acb1d 100644
--- a/includes/Ecran.hpp
+++ b/includes/Ecran.hpp
@@ -8,13 +8,16 @@ class Ecran {
 
   static std::string message;
 
+  static bool fps;
+
 public:
   // Fenêtre
   static sf::RenderWindow window;
 
   Ecran(const uint width = 800, const uint height = 800,
-        const std::string name = "Projet"); // constructor
-  ~Ecran();                                 // destructor
+        const std::string name = "Projet",
+        const bool printFps = false); // constructor
+  ~Ecran();                           // destructor
 
   void afficher(
       /* Fonction appellée à chaque image */
@@ -44,4 +47,9 @@ public:
   static void cleanMessage() {
     message = "";
   }
+
+  // Change l'état de l'affichage des FPS
+  static void toggleFps() {
+    fps = !fps;
+  }
 };
diff --git a/src/Ecran.cpp b/src/Ecran.cpp
index 3f9af0b..b2f0312 100644
--- a/src/Ecran.cpp
+++ b/src/Ecran.cpp
@@ -1,13 +1,20 @@
 #include "../includes/Ecran.hpp"
 
+#include <iomanip>
+#include <iostream>
+
 sf::RenderWindow Ecran::window;
 
 std::string Ecran::message = "";
 
-Ecran::Ecran(const uint w, const uint h, const std::string n) {
+bool Ecran::fps = false;
+
+Ecran::Ecran(const uint w, const uint h, const std::string n, const bool pf) {
   // Création de la fenêtre SFML
   window.create(sf::VideoMode(w, h + bottomTxtPadding), n,
                 sf::Style::Titlebar | sf::Style::Close);
+
+  fps = pf;
 }
 
 Ecran::~Ecran() {}
@@ -24,6 +31,9 @@ void Ecran::afficher(
   text.setPosition(3, hauteur());
   text.setFillColor(sf::Color::White);
 
+  sf::Clock fpsClock;
+  sf::Clock printFpsclock;
+
   while (window.isOpen()) {
     sf::Event event;
     while (window.pollEvent(event)) {
@@ -49,5 +59,17 @@ void Ecran::afficher(
     window.draw(text);
 
     window.display();
+
+    // Affichage des FPS
+    if (fps) {
+      float currentTime = fpsClock.restart().asSeconds();
+
+      // Toutes les 2 secondes
+      if (printFpsclock.getElapsedTime().asSeconds() >= 2.f) {
+        std::cout << "  " << std::fixed << std::setprecision(2)
+                  << 1.f / currentTime << std::endl;
+        printFpsclock.restart();
+      }
+    }
   }
 }
diff --git a/src/main.cpp b/src/main.cpp
index 27e1ccf..f21266e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,7 @@ void help(char const *progName) {
 
 int main(int argc, char const *argv[]) {
   Ecran e;
+  Ecran::toggleFps();
 
   // Interface cli
   if (argc >= 2) {