Updating loading screen during loading.

game/application.cc

@@ -35,7 +35,7 @@ void Application::initLevel() {
     level.load();
     Loader loader = Loader();
     
-    loader.load(levelXmlPath, &level, compositionsPath, scriptPath, geometryPath, texturePath, heightmapPath);
+    loader.load(levelXmlPath, &level, compositionsPath, scriptPath, geometryPath, texturePath, heightmapPath, &graphics);
     graphics.init(&level);
     
     // just in case: check for errors

game/loader.cc

@@ -1,4 +1,5 @@
 #include "loader.hh"
+#include "main.hh"
 #include <ACGL/OpenGL/Objects/VertexArrayObject.hh>
 using namespace tinyxml2;
 
@@ -57,7 +58,7 @@ void Loader::loadConfig(Application* application) {
 }
 
 void Loader::load(std::string filePath, Level* level, std::string compositionsPath, std::string scriptPath, 
-    std::string globalGeometryPath, std::string globalTexturePath, std::string heightmapPath) {
+    std::string globalGeometryPath, std::string globalTexturePath, std::string heightmapPath, Graphics* graphics) {
     struct stat buf;
     //Loading from xml:
     XMLDocument* doc = new XMLDocument();
@@ -226,6 +227,13 @@ void Loader::load(std::string filePath, Level* level, std::string compositionsPa
             int compositionType = queryInt(composition, "typeID");
             //corect composition found
             if(thisType == compositionType){
+
+                // update loading screen
+                glfwPollEvents();
+                graphics->render(0.0f);
+                glBindFramebuffer(GL_FRAMEBUFFER, 0);
+                glfwSwapBuffers(window);
+
                 typeExists = true;
                 //iterate over all objects of the composition
                 XMLElement* xmlObject = composition->FirstChildElement("object");

game/loader.hh

@@ -12,7 +12,7 @@ class Loader {
         void loadConfig(Application* application);
         void load(std::string filePath, Level* level, std::string compositionsPath, 
             std::string scriptPath, std::string geometryPath, std::string texturePath,
-            std::string heightmapPath);
+            std::string heightmapPath, Graphics* graphics);
         glm::vec3 reloadPlayerPosition(std::string filePath, Level* level);
     private:
         float queryFloat(XMLElement* element, const char* attribute);

game/main.cc

@@ -4,6 +4,9 @@
 #include <sstream>
 #include "keyboardState.hh"
 
+Application app;
+GLFWwindow* window;
+
 static void resizeCallback(GLFWwindow* window, int newWidth, int newHeight)
 {
     // store the new window size and adjust the viewport:

game/main.hh

@@ -1,8 +1,6 @@
-#ifndef MAIN_HH_INCLUDED
-#define MAIN_HH_INCLUDED
+#pragma once
 
 #include "application.hh"
 
-Application app;
-GLFWwindow* window;
-#endif
+extern Application app;
+extern GLFWwindow* window;