Mark classes as final

It lets complier to make extra optimization.

See:
https://gcc.godbolt.org/#compilers:!((compiler:g6,options:'-O2+-Wall++-
xc%2B%2B+-
std%3Dc%2B%2B11',sourcez:MYGwhgzhAECC0G8BQAHArgIxAS2ALiWiOgDdsAnAFzTBFIHtsATaAMwAoBKaAXmgAYA3EgC%2BwpKEgwAQtDzR0WXHESpMOfIWIlGLDt1bYAdrWj0SAU3LlmF4WKQTwUaAGE5C9cvjJFGgsQMzGxcZpbWtvbiOsGs9PTs0gBk0BjcyIEYAHT69o4xLBhg5OyuKcDpWkTAOVz2QAA%3D%3D)),filterAsm:
(commentOnly:!t,directives:!t,intel:!t,labels:!t),version:3

rwengine/src/ai/DefaultAIController.hpp

@@ -3,7 +3,7 @@
 #include <glm/glm.hpp>
 #include <ai/CharacterController.hpp>
 
-class DefaultAIController : public CharacterController {
+class DefaultAIController final : public CharacterController {
     glm::vec3 gotoPos{};
 
 public:

rwengine/src/ai/PlayerController.hpp

@@ -5,7 +5,7 @@
 #include <glm/glm.hpp>
 #include <glm/gtc/quaternion.hpp>
 
-class PlayerController : public CharacterController {
+class PlayerController final : public CharacterController {
 private:
     glm::quat cameraRotation{1.0f, 0.0f, 0.0f, 0.0f};
 

rwengine/src/core/Logger.hpp

@@ -60,7 +60,7 @@ private:
     std::vector<MessageReceiver*> receivers;
 };
 
-class StdOutReceiver : public Logger::MessageReceiver {
+class StdOutReceiver final : public Logger::MessageReceiver {
     void messageReceived(const Logger::LogMessage&) override;
 };
 

rwengine/src/dynamics/RaycastCallbacks.hpp

@@ -6,7 +6,7 @@
 /**
  * Implements raycast callback that ignores a specified btCollisionObject
  */
-class ClosestNotMeRayResultCallback
+class ClosestNotMeRayResultCallback final
     : public btCollisionWorld::ClosestRayResultCallback {
     btCollisionObject* _self;
 

rwengine/src/objects/CharacterObject.hpp

@@ -53,7 +53,7 @@ class GameWorld;
  * @brief The CharacterObject struct
  * Implements Character object behaviours.
  */
-class CharacterObject : public GameObject, public ClumpObject {
+class CharacterObject final : public GameObject, public ClumpObject {
 private:
     CharacterState currentState{};
 

rwengine/src/objects/CutsceneObject.hpp

@@ -13,7 +13,7 @@ class ModelFrame;
 /**
  * @brief Object type used for cutscene animations.
  */
-class CutsceneObject : public GameObject, public ClumpObject {
+class CutsceneObject final : public GameObject, public ClumpObject {
     GameObject* _parent = nullptr;
     ModelFrame* _bone = nullptr;
 

rwengine/src/objects/InstanceObject.hpp

@@ -16,7 +16,7 @@ class GameWorld;
  * @struct InstanceObject
  *  A simple object instance
  */
-class InstanceObject : public GameObject {
+class InstanceObject final : public GameObject {
     float health = 100.f;
     bool visible =true;
     bool floating = false;

rwengine/src/objects/ProjectileObject.hpp

@@ -14,7 +14,7 @@ struct WeaponData;
 /**
  * @brief Implements weapon projectile (e.g. molotovs, RPGs etc.)
  */
-class ProjectileObject : public GameObject {
+class ProjectileObject final : public GameObject {
 public:
     enum ProjectileType {
         Grenade,

rwengine/src/objects/VehicleObject.cpp

@@ -25,7 +25,7 @@ constexpr float kVehicleMaxExitVelocity = 0.15f;
 /**
  * A raycaster that will ignore the body of the vehicle when casting rays
  */
-class VehicleRaycaster : public btVehicleRaycaster {
+class VehicleRaycaster final : public btVehicleRaycaster {
     btDynamicsWorld* _world;
     VehicleObject* _vehicle;
 
@@ -59,7 +59,7 @@ public:
     }
 };
 
-class VehiclePartMotionState : public btMotionState {
+class VehiclePartMotionState final : public btMotionState {
 public:
     VehiclePartMotionState(VehicleObject* object, VehicleObject::Part* part)
         : m_object(object), m_part(part) {

rwengine/src/objects/VehicleObject.hpp

@@ -30,7 +30,7 @@ class btHingeConstraint;
  * @class VehicleObject
  * Implements Vehicle behaviours.
  */
-class VehicleObject : public GameObject, public ClumpObject {
+class VehicleObject final : public GameObject, public ClumpObject {
 private:
     float steerAngle{0.f};
     float throttle{0.f};

rwengine/src/render/DebugDraw.hpp

@@ -17,7 +17,7 @@ class DrawBuffer;
 class GameRenderer;
 class GeometryBuffer;
 
-class DebugDraw : public btIDebugDraw {
+class DebugDraw final : public btIDebugDraw {
 public:
     DebugDraw();
     ~DebugDraw() override;

rwengine/src/render/OpenGLRenderer.hpp

@@ -245,9 +245,9 @@ protected:
     SceneUniformData lastSceneData{};
 };
 
-class OpenGLRenderer : public Renderer {
+class OpenGLRenderer final : public Renderer {
 public:
-    class OpenGLShaderProgram : public ShaderProgram {
+    class OpenGLShaderProgram final : public ShaderProgram {
         GLuint program;
         std::map<std::string, GLint> uniforms;
 

rwgame/RWGame.hpp

@@ -19,7 +19,7 @@
 
 class PlayerController;
 
-class RWGame : public GameBase {
+class RWGame final : public GameBase {
     GameData data;
     GameRenderer renderer;
     DebugDraw debug;

rwgame/states/BenchmarkState.hpp

@@ -3,7 +3,7 @@
 
 #include "State.hpp"
 
-class BenchmarkState : public State {
+class BenchmarkState final : public State {
     struct TrackPoint {
         float time;
         glm::vec3 position{};

rwgame/states/DebugState.hpp

@@ -3,7 +3,7 @@
 
 #include "State.hpp"
 
-class DebugState : public State {
+class DebugState final : public State {
     ViewCamera _debugCam;
     glm::vec3 _movement{};
     glm::vec2 _debugLook{};

rwgame/states/IngameState.hpp

@@ -6,7 +6,7 @@
 class GameObject;
 class PlayerController;
 
-class IngameState : public State {
+class IngameState final : public State {
     enum CameraMode {
         CAMERA_CLOSE = 0,
         CAMERA_NORMAL = 1,

rwgame/states/LoadingState.hpp

@@ -4,7 +4,7 @@
 
 #include <functional>
 
-class LoadingState : public State {
+class LoadingState final : public State {
     std::function<void(void)> complete;
 
 public:

rwgame/states/MenuState.hpp

@@ -3,7 +3,7 @@
 
 #include "StateManager.hpp"
 
-class MenuState : public State {
+class MenuState final : public State {
 public:
     MenuState(RWGame* game);
 

rwgame/states/PauseState.hpp

@@ -3,7 +3,7 @@
 
 #include "StateManager.hpp"
 
-class PauseState : public State {
+class PauseState final : public State {
 public:
     PauseState(RWGame* game);