ComponentFunctionsDefinitions.hpp

#pragma once
 
#include "ComponentFunctions.hpp"
 
namespace Grindstone::ECS {
    template<typename ComponentType>
    void* CreateComponent(entt::registry& registry, entt::entity entity) {
        return &registry.emplace<ComponentType>(entity);
    }
 
    template<typename ComponentType>
    void RemoveComponent(entt::registry& registry, entt::entity entity) {
        if (registry.any_of<ComponentType>(entity)) {
            registry.remove<ComponentType>(entity);
        }
    }
 
    template<typename ComponentType>
    Grindstone::Reflection::TypeDescriptor_Struct GetComponentReflectionData() {
        return ComponentType::reflectionInfo;
    }
 
    template<typename ComponentType>
    bool TryGetComponent(entt::registry& registry, entt::entity entity, void*& outComponent) {
        ComponentType* foundComp = registry.try_get<ComponentType>(entity);
        outComponent = foundComp;
 
        return foundComp != nullptr;
    }
 
    template<typename ComponentType>
    bool HasComponent(entt::registry& registry, entt::entity entity) {
        return registry.all_of<ComponentType>(entity);
    }
 
    template<typename ComponentType>
    void CopyRegistryComponents(entt::registry& dst, entt::registry& src) {
        auto& srcEntities = src.view<ComponentType>();
 
        for (entt::entity srcEntity : srcEntities) {
            ComponentType srcComponent = src.get<ComponentType>(srcEntity);
            dst.emplace_or_replace<ComponentType>(srcEntity, srcComponent);
        }
    }
}