Better scene management.

include/Engine/Entity/Animation.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "JGL/types/Texture.h"
+#include <JGL/types/Texture.h>
 
 using JGL::Texture;
 

include/Engine/Entity/Entity.h

@@ -1,5 +1,5 @@
 #pragma once
-#include "J3ML/LinearAlgebra/Vector2.hpp"
+#include <J3ML/LinearAlgebra/Vector2.hpp>
 #include <vector>
 
 class Entity {

include/Engine/Entity/Renderable.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include "Entity.h"
-#include "JGL/JGL.h"
+#include <Engine/Entity/Entity.h>
+#include <JGL/JGL.h>
 
 class Renderable : public Entity {
 public:

include/Engine/Globals.h

@@ -4,10 +4,22 @@
 #include <Engine/GameWindow.h>
 
 namespace Globals {
+    inline std::vector<Scene*> SceneList{};
     inline Scene* CurrentScene = nullptr;
     inline DemoGameWindow* Window = nullptr;
 
     inline float DeltaTime() { return Window->GetDeltaTime(); }
-    inline void RemoveScene() { delete CurrentScene; CurrentScene = nullptr; }
-    inline void ChangeScene(Scene* scene) { delete CurrentScene; CurrentScene = scene; CurrentScene->Init(); }
+    inline void ChangeScene(Scene* scene) { if (CurrentScene != nullptr) CurrentScene->Unload(); CurrentScene = scene; if (CurrentScene != nullptr) CurrentScene->Init(); }
+    inline bool ChangeScene (const std::string& scene_name)
+    {
+        Scene* scene = nullptr;
+        for (auto* s : SceneList)
+            if (s->GetName() == scene_name)
+                scene = s;
+
+        if (scene)
+            ChangeScene(scene);
+
+        return scene;
+    }
 }

include/Engine/Level/Scene.h

@@ -7,7 +7,7 @@
 
 class Scene {
 protected:
-    bool Paused = false;
+    std::string name;
     Hud* HeadsUpDisplay = nullptr;
     std::vector<Fixed*> FixedList{};
     std::vector<Entity*> EntityList{};
@@ -16,6 +16,7 @@ public:
     [[nodiscard]] bool FixedListContains(const Fixed* fixed) const;
     [[nodiscard]] size_t FixedCount() const;
     [[nodiscard]] size_t EntityCount() const;
+    [[nodiscard]] std::string GetName() const;
 public:
     void AppendEntity(Entity* entity);
     void AppendFixed(Fixed* fixed);
@@ -28,10 +29,11 @@ public:
     void RemoveEntity(Entity* entity);
     void RemoveFixed(Fixed* fixed);
 
+    virtual void Unload();
     virtual void Init() {}
     virtual void Update();
     virtual void Render();
 public:
-    Scene() = default;
+    explicit Scene(const std::string& name) : name(name) {}
     virtual ~Scene();
 };