entity.hh

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#ifndef UTOPIA_CORE_GRAPH_ENTITY_HH
#define UTOPIA_CORE_GRAPH_ENTITY_HH
 
#include "../tags.hh"
#include "../types.hh"
#include "../entity.hh"
 
namespace Utopia {
 
template<typename StateType,
         typename GraphEntityTags=EmptyTag,
         template<class> class CustomLinkContainers=NoCustomLinks>
using GraphEntityTraits = EntityTraits<StateType,
                                Update::manual,
                                false,          // use_def_state_constr
                                GraphEntityTags,
                                CustomLinkContainers>;
 
 
 
template<typename Traits>
class GraphEntity :
    public Entity<GraphEntity<Traits>, Traits>
{
public:
    using Self = GraphEntity<Traits>;
 
    using State = typename Traits::State;
 
private:
    static inline IndexType id_counter = 0;
 
public:
    GraphEntity()
    :
        Entity<Self, Traits>(id_counter++, State{})
    {};
 
    GraphEntity(const State& initial_state)
    :
        Entity<Self, Traits>(id_counter++, initial_state)
    {};
 
    GraphEntity(const GraphEntity& ge):
        Entity<Self, Traits>(id_counter++, ge.state)
    {};
 
    GraphEntity& operator=(GraphEntity ge){
        std::swap(this->state, ge.state);
        std::swap(this->custom_links(), ge.custom_links());
        return *this;
    }
 
    IndexType get_id_counter(){
        return id_counter;
    }
};
 
// end group GraphEntity
} // namespace Utopia
 
#endif // UTOPIA_CORE_GRAPH_ENTITY_HH