First test rendering / skelton Game Loop / utility Textureloader

src/DarkRP2D.cpp

@@ -1,17 +1,64 @@
+#include <iostream>
+#include <SDL2/SDL_image.h>
+
 #include "DarkRP2D.h"
+#include "utility/utility.h"
 
-  void DarkRP2D::create() {
+
+
+  void DarkRP2D::create(SDL_Renderer *gRenderer) {
+    this->gRenderer = gRenderer;
+
+    //Load PNG texture
+    gTexture = utility::loadTexture( "assets/police_officer.png", gRenderer);
 
   }
 
-  void DarkRP2D::loop(float deltaTime) {
+  unsigned int ups = 0;
+  unsigned int acc = 0;
+  void DarkRP2D::loop(unsigned int deltaTime) {
+      accumulator += deltaTime;
+      acc += deltaTime;
+
+      //Process Input
+
+      skippedFrames = 0;
+      while (accumulator >= MS_PER_UPDATE && skippedFrames <= MAX_FRAMESKIP) {
+        accumulator -= MS_PER_UPDATE;
+        update(0.0f);
+        ups++;
+        skippedFrames++;
+      }
+
+      if(acc >= 1000) {
+        std::cout << "Updates per second: " << ups << std::endl;
+        acc -= 1000;
+        ups = 0;
+      }
+      render(0.0f);
+  }
+
+  void DarkRP2D::update(float deltaInSec) {
 
   }
 
-  void DarkRP2D::resize() {
+  void DarkRP2D::render(float deltaInSec) {
+    //Clear screen
+    SDL_RenderClear( gRenderer );
+
+    //Render texture to screen
+    SDL_RenderCopy( gRenderer, gTexture, NULL, NULL );
+
+    //Update screen
+    SDL_RenderPresent( gRenderer );
+  }
+
+  void DarkRP2D::resize(int width, int height) {
 
   }
 
   void DarkRP2D::dispose() {
-
+      //Free loaded image
+      SDL_DestroyTexture( gTexture );
+      gTexture = NULL;
   }