PlayerFallState

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerFallState : PlayerBaseState
{
    public PlayerFallState(PlayerStateMachine currentContext,
        PlayerStateFactory playerStateFactory)
    : base(currentContext, playerStateFactory) {
        IsRootState = true;
    }

    public override void EnterState() {
        InitializeSubState();
        Ctx.AnimCon.SetInteger(Ctx.JumpAnim, 2);
    }

    public override void UpdateState()
    {
        CheckSwitchStates();

        if (Ctx.VerticalVelocity < Ctx.TerminalVelocity)
        {
            Ctx.VerticalVelocity += Ctx.Gravity * Time.deltaTime;
        }
    }

    public override void ExitState() {
        Ctx.AnimCon.SetInteger(Ctx.JumpAnim, 3);
    }

    public override void CheckSwitchStates() {
        if (Ctx.PlayerController.isGrounded) {
            SwitchState(Factory.Grounded());
        }
    }

    public override void InitializeSubState() {
        if (Ctx.InputMoveX == 0 && Ctx.InputMoveY == 0 && !Ctx.InputRun)
        {
            SetSubState(Factory.Idle());
        }
        else if (Ctx.InputMoveX != 0 && Ctx.InputMoveY != 0 && !Ctx.InputRun)
        {
            SetSubState(Factory.Walk());
        }
        else
        {
            SetSubState(Factory.Run());
        }
    }
}