cirnogodot/Scripts/Components/FSM/ModuleBase.cs

using Godot;

namespace Cirno.Scripts.Components.FSM;

public abstract partial class ModuleBase<TKey, TType> : Node, IModule<TKey, TType>
    where TKey : notnull
    where TType : Node
{
    // Provide the state machine reference for derived modules to use without repeating boilerplate
    protected IStateMachine<TKey, TType> StateMachine { get; private set; }
    protected TType MainObject => StateMachine.MainObject;

    // Default Init behaviour sets the state machine reference. Derived classes can still override
    public virtual void Init(IStateMachine<TKey, TType> machine)
    {
        StateMachine = machine;
    }

    public abstract void EnterState(TKey state);
    public abstract void ExitState(TKey state);
    public abstract void Process(double delta);
    public abstract void PhysicsProcess(double delta);
}