22 lines
739 B
C#

using Engine.Core;
namespace Engine.Systems.StateMachine;
public interface IState : IEntity, INameable
{
Event<IState> OnStateUpdate { get; }
Event<IState, StateTransitionedFromArguments> OnStateTransitionedFrom { get; }
Event<IState, StateTransitionedToArguments> OnStateTransitionedTo { get; }
Event<IState, StateTransitionReadyArguments> OnStateTransitionReady { get; }
IState? GetNextState();
void Update();
void TransitionTo(IState from);
void TransitionFrom(IState to);
readonly record struct StateTransitionedFromArguments(IState ToState);
readonly record struct StateTransitionedToArguments(IState FromState);
readonly record struct StateTransitionReadyArguments(IState ToState);
}