Added basic prefabs finally

src/dawn/prefab/CMakeLists.txt

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+# Copyright (c) 2022 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+# target_sources(${DAWN_TARGET_NAME}
+#   PRIVATE
+#     Prefab.cpp
+# )

src/dawn/prefab/Prefab.hpp

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+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "asset/AssetManager.hpp"
+#include "scene/Scene.hpp"
+
+namespace Dawn {
+  template<class T>
+  class Prefab {
+    public:
+      static std::vector<Asset*> getRequiredAssets() {
+        return T::prefabAssets();
+      }
+
+      static T * create(Scene *scene) {
+        T *item = scene->createSceneItemOfType<T>();
+        item->prefabInit();
+        return item;
+      }
+  };
+}

src/dawn/prefab/SceneItemPrefab.hpp

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+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "Prefab.hpp"
+#include "scene/SceneItem.hpp"
+
+namespace Dawn {
+  template<class T>
+  class SceneItemPrefab :
+    public SceneItem,
+    public Prefab<T>
+  {
+    protected:
+
+    public:
+      SceneItemPrefab(Scene *scene, sceneitemid_t id) :
+        SceneItem(scene, id)
+      {
+
+      }
+
+      virtual void prefabInit() = 0;
+  };
+}