UI scaling properly

src/GUI/Frame.h

@@ -25,8 +25,8 @@ public:
 		Bottom
 	};
 
-	static const float BaseWidth = 1280.f;
-	static const float BaseHeight = 720.f;
+	static const int BaseWidth = 1280;
+	static const int BaseHeight = 720;
 
 	// Set up a base frame with an event broker
 	Frame(std::shared_ptr<::EventBroker> eventBroker, std::shared_ptr<::ResourceManager> resourceManager)
@@ -112,6 +112,14 @@ public:
 			return Top() + Height;
 	}
 
+	glm::vec2 Scale()
+	{
+		if (m_Parent)
+			return m_Parent->Scale();
+		else
+			return glm::vec2(Width, Height) / glm::vec2(BaseWidth, BaseHeight);
+	}
+
 	Rectangle AbsoluteRectangle()
 	{
 		int left = Left();
@@ -183,7 +191,6 @@ protected:
 	std::string m_Name;
 	int m_Layer;
 	bool m_Hidden;
-	glm::vec2 Scale;
 
 	std::shared_ptr<Frame> m_Parent;
 	typedef std::multimap<std::string, std::shared_ptr<Frame>> Children_t; // name -> frame

src/GUI/VehicleSelection.h

@@ -15,11 +15,17 @@ namespace GUI
 			, m_World(world)
 			, m_PlayerID(playerID)
 		{
+			ResourceManager->Preload("Texture", "Textures/GUI/VehicleSelection/1.png");
+			ResourceManager->Preload("Texture", "Textures/GUI/VehicleSelection/2.png");
+			ResourceManager->Preload("Texture", "Textures/GUI/VehicleSelection/3.png");
+			ResourceManager->Preload("Texture", "Textures/GUI/VehicleSelection/4.png");
+
 			m_CurrentSelection = 0;
 
-			m_CurrentCoordinate = -m_SelectionCoordinates[0] + glm::vec2(Width / 2.f, Height / 2.f);
+			glm::vec2 scale = Scale();
+			m_CurrentCoordinate = -m_SelectionCoordinates[0] * scale + glm::vec2(Width / 2.f, Height / 2.f);
 			m_TargetCoordinate = m_CurrentCoordinate;
-			m_CurrentSize = m_SelectionSizes[0];
+			m_CurrentSize = m_SelectionSizes[0] * scale;
 			m_TargetSize = m_CurrentSize;
 			m_CurrentAlpha = 0.f;
 
@@ -46,17 +52,20 @@ namespace GUI
 			std::stringstream ss;
 			ss << "Textures/GUI/VehicleSelection/" << m_CurrentSelection + 1 << ".png";
 			m_Background->FadeToTexture(ss.str(), 1.f);
-			glm::vec2 coord = -m_SelectionCoordinates[m_CurrentSelection];
-			m_TargetCoordinate = coord + glm::vec2(Width / 2.f, Height / 2.f);
 
+			glm::vec2 scale = Scale();
+			glm::vec2 coord = -m_SelectionCoordinates[m_CurrentSelection];
+			m_TargetCoordinate = coord * scale + glm::vec2(Width / 2.f, Height / 2.f);
 			glm::vec2 size = m_SelectionSizes[m_CurrentSelection];
-			m_TargetSize = size;
+			m_TargetSize = size * scale;
 
 			return true;
 		}
 
 		void Update(double dt) override
 		{
+			
+
 			glm::vec2 posDiff = m_TargetCoordinate - m_CurrentCoordinate;
 			m_CurrentCoordinate += posDiff * 2.f * (float)dt;