From a8bcacc95045102e67f2feabbdddf79535837554 Mon Sep 17 00:00:00 2001
From: jacopograndi <jak.sk8@hotmail.it>
Date: Thu, 19 Aug 2021 18:46:51 +0200
Subject: forgot to make repo until now

---
 timing/timing.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 timing/timing.h   | 24 ++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 timing/timing.cpp
 create mode 100644 timing/timing.h

(limited to 'timing')

diff --git a/timing/timing.cpp b/timing/timing.cpp
new file mode 100644
index 0000000..37c5f40
--- /dev/null
+++ b/timing/timing.cpp
@@ -0,0 +1,44 @@
+#include "timing.h"
+
+timing_sdl::timing_sdl (double fps) { 
+    frame_time = 1/fps;
+    last_time = SDL_GetTicks();
+    frame_counter = 0;
+    tot_time = 0;
+    unprocessed_time = 0;
+    frames = 0;
+    render = false;
+}
+
+void timing_sdl::process () {
+    render = false;
+    
+    double startTime = SDL_GetTicks();
+    double passedTime = (startTime - last_time)/1000;
+    last_time = startTime;
+    
+    unprocessed_time += passedTime;
+    frame_counter += passedTime;
+    tot_time += passedTime;
+
+    if (frame_counter >= 1.0) {
+        //printf("FPS: %i | %f ms\n", frames, 1000.0 / ((double)frames));
+        frames = 0;
+        frame_counter = 0;
+    }
+}
+
+bool timing_sdl::check_process () {
+    if (unprocessed_time > frame_time) {
+        render = true;
+        unprocessed_time -= frame_time;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+bool timing_sdl::check_render () {
+    if (render) { frames ++; }
+    return render;
+}
\ No newline at end of file
diff --git a/timing/timing.h b/timing/timing.h
new file mode 100644
index 0000000..f420582
--- /dev/null
+++ b/timing/timing.h
@@ -0,0 +1,24 @@
+#ifndef TIMING_H
+#define TIMING_H
+
+#define SDL_MAIN_HANDLED
+#include <SDL2/SDL.h>
+
+class timing_sdl {
+    public:
+    timing_sdl(double fps);
+    void process();
+    bool check_process();
+    bool check_render();
+    
+    private:
+    double frame_time;
+    double last_time;
+    double frame_counter;
+    double tot_time;
+    double unprocessed_time;
+    int frames;
+    bool render;
+};
+
+#endif
\ No newline at end of file
-- 
cgit v1.2.3-54-g00ecf