Basic mutability framework

src/Engine/Scene/Components/Component.h

@@ -1,6 +1,8 @@
 #pragma once
 #include "MinimalEngine.h"
 #include "Math/Transform.h"
+#include "Scene/Util.h"
+#include "ThreadPool.h"
 
 namespace Seele
 {
@@ -12,11 +14,18 @@ class Component
 public:
     Component();
     virtual ~Component();
-    void tick(float deltaTime);
+    void launchStart();
+    virtual void start() {};
+    Array<Job> launchTick(float deltaTime) const;
+    virtual Job tick(float deltaTime) const { co_return; }
+    Array<Job> launchUpdate();
+    virtual Job update() { co_return; }
     PComponent getParent();
     PActor getOwner();
+    const Array<PComponent>& getChildComponents();
     void setParent(PComponent parent);
     void setOwner(PActor owner);
+    void addChildComponent(PComponent component);
     virtual void notifySceneAttach(PScene scene);
 
     void setWorldLocation(Vector location);
@@ -35,7 +44,30 @@ public:
 
     Transform getTransform() const;
 
+    template<typename ComponentType>
+    RefPtr<ComponentType> getComponent()
+    {
+        return tryFindComponent<ComponentType>();
+    }
 private:
+    template<typename ComponentType>
+    RefPtr<ComponentType> tryFindComponent()
+    {
+        for(auto child : children)
+        {
+            RefPtr<ComponentType> result = child.cast<ComponentType>();
+            if(result != nullptr)
+            {
+                return result;
+            }
+            result = parent->tryFindComponent<ComponentType>();
+            if(result != nullptr)
+            {
+                return result;
+            }
+        }
+        return nullptr;
+    }
     void internalSetTransform(Vector newLocation, Quaternion newRotation);
     void propagateTransformUpdate();
     void updateComponentTransform(Quaternion relativeRotationQuat);