GoakeFlax/Source/Game/Player/PlayerInput.cs

using System.Runtime.InteropServices;
using FlaxEngine;

namespace Game
{
    [StructLayout(LayoutKind.Sequential)]
    public struct PlayerInputState
    {
        public ulong frame;
        public float viewDeltaX, viewDeltaY;
        public float moveForward;
        public float moveRight;
        public bool attacking;
        public bool jumping;

        public Float3 verificationPosition;
        public Float3 verificationVelocity;
        public Float3 verificationViewAngles;
        public Quaternion verificationOrientation;
    }

    [StructLayout(LayoutKind.Sequential)]
    public struct PlayerActorState
    {
        public Float3 position;
        public Float3 velocity;
        public Quaternion orientation;
        public Float3 viewAngles; // yaw, pitch, roll
    }

    [StructLayout(LayoutKind.Sequential)]
    public struct PlayerState
    {
        public PlayerInputState input;
        public PlayerActorState actor;
    }

    public class PlayerInput
    {
        public const byte DemoVer = 1;
        public PlayerState currentState;
        public ulong frame;

        public virtual void OnUpdate()
        {
        }

        public virtual void OnFixedUpdate()
        {
        }

        public virtual void OnEndFrame()
        {
        }

        public virtual void RecordCurrentActorState(PlayerActorState actorState)
        {
        }

        public PlayerInputState GetCurrentInputState()
        {
            return currentState.input;
        }

        public PlayerActorState GetCurrentActorState()
        {
            return currentState.actor;
        }
    }
}