[ADD] The scene switching works now, the only thing to do is controling the scenes with the keys!

src/scenes/in_Game_Scene.cpp

@@ -1,3 +1,4 @@
+#include <iostream>
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 #include "in_Game_Scene.h"
@@ -17,13 +18,23 @@ namespace scene
 	std::vector<entities::Light> lights;
 	models::RawModel raw_model;
 	models::ModelTexture texture;
-	shaders::EntityShader shader;
+	shaders::EntityShader *shader;
+	shaders::GuiShader *gui_shader;
 	entities::Camera camera(glm::vec3(0, 0, 0), glm::vec3(0, 0, 0));
-
-	extern GLFWwindow* window;
+	std::vector<gui::GuiTexture*> guis;
 
 	
-	void scene::In_Game_Scene::start() 
+	In_Game_Scene::In_Game_Scene()
+	{
+		shader = new shaders::EntityShader;
+		shader->Init();	
+		render_engine::renderer::Init(*shader);
+
+		gui_shader = new shaders::GuiShader();
+		gui_shader->Init();
+	}
+
+	scene::Scenes scene::In_Game_Scene::start(GLFWwindow* window)
 	{
 		raw_model = render_engine::LoadObjModel("res/House.obj");
 		texture = { render_engine::loader::LoadTexture("res/Texture.png") };
@@ -38,13 +49,34 @@ namespace scene
 			z += (raw_model.model_size.x * 20);
 		}
 
-		shader.Init();
-		render_engine::renderer::Init(shader);
-
 		lights.push_back(entities::Light(glm::vec3(0, 1000, -7000), glm::vec3(5, 5, 5)));
 		lights.push_back(entities::Light(glm::vec3(0, 0, -30), glm::vec3(2, 0, 2), glm::vec3(0.0001f, 0.0001f, 0.0001f)));
 		lights.push_back(entities::Light(glm::vec3(0, 0, -200), glm::vec3(0, 2, 0), glm::vec3(0.0001f, 0.0001f, 0.0001f)));
 
+		// GUI stuff
+		gui::Button button(render_engine::loader::LoadTexture("res/Mayo.png"), glm::vec2(0.5f, 0.0f), glm::vec2(0.25f, 0.25f));
+		button.SetHoverTexture(render_engine::loader::LoadTexture("res/Texture.png"));
+		button.SetClickedTexture(render_engine::loader::LoadTexture("res/Mayo.png"));
+		button.SetOnClickAction([]()
+		{
+			std::cout << "I got clicked on!" << std::endl;
+		});
+		guis.push_back(&button);
+	
+
+		while (return_value == scene::Scenes::INGAME)
+		{
+			update(window);
+			button.Update(window);
+			render();
+
+			glfwSwapBuffers(window);
+			glfwPollEvents();
+		}
+		shader->CleanUp();
+		gui_shader->CleanUp();
+		render_engine::loader::CleanUp();
+		return return_value;
 	}
 
 	void scene::In_Game_Scene::render()
@@ -52,28 +84,35 @@ namespace scene
 		// Render
 		render_engine::renderer::Prepare();
 
-		shader.Start();
-		shader.LoadSkyColor(render_engine::renderer::SKY_COLOR);
-		shader.LoadLights(lights);
-		shader.LoadViewMatrix(camera);
+		shader->Start();
+		shader->LoadSkyColor(render_engine::renderer::SKY_COLOR);
+		shader->LoadLights(lights);
+		shader->LoadViewMatrix(camera);
+
 		// Renders each entity in the entities list
 		for (entities::Entity& entity : entities)
 		{
-			render_engine::renderer::Render(entity, shader);
+			render_engine::renderer::Render(entity, *shader);
 		}
 
+		// Render GUI items
+		render_engine::renderer::Render(guis, *gui_shader);
+
 		// Stop rendering the entities
-		shader.Stop();
+		shader->Stop();
 	}
 
-	void scene::In_Game_Scene::update()
+	void scene::In_Game_Scene::update(GLFWwindow* window)
 	{
 		camera.Move(window);
 	}
 
-	void scene::In_Game_Scene::onKey(int key, int scancode, int action, int mods)
+	void scene::In_Game_Scene::onKey(GLFWwindow* window, int key, int scancode, int action, int mods)
 	{
-	
+		if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS)
+		{
+			return_value = scene::Scenes::STOP;
+		}
 	}
 
 }