container.h

#pragma once
 
#include "sound_bakery/node/node.h"
 
namespace SB::Engine
{
    class Container;
 
    struct SB_CLASS GatherChildrenContext
    {
        GatherChildrenContext()
        {
            // We're making the rough assumption that each call to gatherChildrenForPlay
            // will gather, on average, 3 or less sounds.
            // This should hopefully save some allocation time in most cases.
            sounds.reserve(3);
        }
 
        std::vector<const Container*> sounds;
 
        LocalParameterList parameters;
 
        unsigned int numTimesPlayed;
    };
 
    class SB_CLASS Container : public Node
    {
    public:
        Container() : Node() {}
 
        void onLoaded() override;
 
        bool canAddChild(const SB::Core::DatabasePtr<NodeBase>& child) const override
        {
            if (child.lookup() && child->getType().is_derived_from<Container>())
            {
                return NodeBase::canAddChild(child);
            }
            else
            {
                return false;
            }
        }
 
        virtual void gatherChildrenForPlay(GatherChildrenContext& context) const = 0;
 
        REGISTER_REFLECTION(Container, Node)
        RTTR_REGISTRATION_FRIEND
    };
}  // namespace SB::Engine