Clean up of sandbox

* Added a statistics panel
* Added comments to `Sandbox.cpp`
* Moved utility functions and GUI code out of sandbox.cpp
This commit is contained in:
2022-05-29 15:23:08 +02:00
parent 8cc6ed1f15
commit 02727c74bb
8 changed files with 183 additions and 76 deletions

View File

@ -1,5 +1,7 @@
#include "BarinkEngine.h"
#include <imgui.h>
#include <chrono>
extern void Start();
extern void Update();
@ -9,7 +11,20 @@ extern void Stop();
using namespace BarinkEngine;
struct EngineStatistics{
unsigned int lastSampleTime;
unsigned int frames;
float frameTime;
unsigned int FPS;
};
EngineStatistics* ES;
int main(int argc, char* argv[]) {
ES = new EngineStatistics();
ES->frames = 0;
ES->lastSampleTime = 0;
// Startup services
BarinkWindow MainWindow = BarinkWindow(800, 600);
@ -24,8 +39,27 @@ int main(int argc, char* argv[]) {
// First call to setup game
Start();
ES->lastSampleTime = std::chrono::duration_cast<std::chrono::milliseconds> (std::chrono::system_clock::now().time_since_epoch()).count();
// Runtime loop
while (!MainWindow.WindowShouldClose()) {
ES->frames++;
unsigned int now = std::chrono::duration_cast<std::chrono::milliseconds> (std::chrono::system_clock::now().time_since_epoch()).count();
unsigned int MilliSecondsPast = ES->lastSampleTime - now;
if ( MilliSecondsPast >= 1000) {
ES->FPS = 1000 / ES->frames ;
ES->frameTime = ES->frames / 1000;
ES->frames = 0;
ES->lastSampleTime = now;
}
InputSystem.PollEvents();
Update();
@ -35,6 +69,8 @@ int main(int argc, char* argv[]) {
ImmediateGraphicsDraw();
GUISystem.Render();
MainWindow.SwapBuffers();
}
@ -45,9 +81,18 @@ int main(int argc, char* argv[]) {
// Shutdown Services
delete ES;
return 0;
}
void ShowStats() {
ImGui::Begin("Statistics", false, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove );
ImGui::Text("Frames: %i", ES->frames);
ImGui::Text("FPS: %i", ES->FPS);
ImGui::Text("Frame Time: %f", ES->frameTime);
ImGui::End();
}

View File

@ -16,6 +16,6 @@
#include "Graphics/GUI/GUIManager.h"
#include "Scene.h"
void WARN(std::string message);
void ShowStats();

View File

@ -2,6 +2,8 @@
out vec4 FragColor;
uniform vec3 MatColour;
void main(){
FragColor = vec4(0.5f, 0.5f, 0.0f , 1.0f);
FragColor = vec4(MatColour, 1.0f);
}