foray_node.hpp

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#pragma once
#include "foray_registry.hpp"
 
namespace foray::scene {
 
    class Node : public Registry
    {
      public:
        Node(Scene* scene, Node* parent = nullptr);
 
        FORAY_PROPERTY_V(Parent);
        FORAY_PROPERTY_R(Children);
        FORAY_PROPERTY_R(Name);
 
        ncomp::Transform* GetTransform();
 
        template <typename TComponent>
        inline int32_t FindChildrenWithComponent(std::vector<Node*>& outnodes);
 
        template <typename TComponent>
        inline int32_t FindComponentsRecursive(std::vector<TComponent*>& outnodes);
 
        inline virtual ~Node() {}
 
      protected:
        Node*              mParent   = nullptr;
        std::vector<Node*> mChildren = {};
        std::string mName = "";
    };
 
 
    template <typename TComponent>
    inline int32_t Node::FindChildrenWithComponent(std::vector<Node*>& outnodes)
    {
        int32_t found = 0;
        for(Node* child : mChildren)
        {
            if(child->HasComponent<TComponent>())
            {
                found++;
                outnodes.push_back(child);
            }
            found += child->FindChildrenWithComponent<TComponent>(outnodes);
        }
        return found;
    }
 
    template <typename TComponent>
    inline int32_t Node::FindComponentsRecursive(std::vector<TComponent*>& outnodes)
    {
        int32_t found = 0;
        found += GetComponents<TComponent>(outnodes);
        for(Node* child : mChildren)
        {
            found += child->FindComponentsRecursive<TComponent>(outnodes);
        }
        return found;
    }
 
}  // namespace foray::scene