SupaLidlGame/Items/Weapons/Sword.cs

using Godot;
using GodotUtilities;
using SupaLidlGame.BoundingBoxes;
using SupaLidlGame.Characters;
using SupaLidlGame.Extensions;
using SupaLidlGame.State.Weapon;

namespace SupaLidlGame.Items.Weapons;

public partial class Sword : Weapon, IParryable
{
    public bool IsAttacking { get; protected set; }

    public override bool IsUsing => StateMachine.CurrentState
        is SwordAttackState;

    [Export]
    public Hitbox Hitbox { get; set; }

    [Export]
    public AnimationPlayer AnimationPlayer { get; set; }

    /// <summary>
    /// The time frame in seconds for which the weapon will deal damage.
    /// </summary>
    /// <remarks>
    /// The value of <c>AttackTime</c> should be less than the
    /// value of <c>UseTime</c>
    /// </remarks>
    [Export]
    public double AttackTime { get; set; } = 0;

    [Export]
    public double AttackAnimationDuration { get; set; }

    [Export]
    public GpuParticles2D ParryParticles { get; set; }

    [Export]
    public double NPCAnticipateTime { get; set; }

    [Export]
    public WeaponStateMachine StateMachine { get; set; }

    [Export]
    public Node2D Anchor { get; set; }

    public override bool IsParryable { get; protected set; }

    public ulong ParryTimeOrigin { get; protected set; }

    private Tween _currentTween;

    private AnimationNodeStateMachinePlayback _playback;

    public override void Equip(Character character)
    {
        base.Equip(character);
        Hitbox.Faction = character.Faction; // character is null before base
    }

    public override void Unequip(Character character)
    {
        base.Unequip(character);
    }

    public override void Use()
    {
        StateMachine.Use();
        base.Use();
    }

    public void EnableParry()
    {
        IsParried = false;
        IsParryable = true;
        ParryTimeOrigin = Time.GetTicksMsec();
    }

    public void DisableParry()
    {
        IsParryable = false;
    }

    public override void Deuse()
    {
        //AnimationPlayer.Stop();
        //Deattack();
        StateMachine.Deuse();
        base.Deuse();
    }

    public void Attack()
    {
        //RemainingAttackTime = AttackTime;
        IsAttacking = true;
        Hitbox.IsDisabled = false;
    }

    public void Deattack()
    {
        IsAttacking = false;
        DisableParry();
        Hitbox.IsDisabled = true;
        ProcessHits();
        Hitbox.ResetIgnoreList();
        AnimationPlayer.SpeedScale = 1;
    }

    public override void _Ready()
    {
        Hitbox.Damage = Damage;
        Hitbox.Hit += OnHitboxHit;
    }

    public override void _Process(double delta)
    {
        StateMachine.Process(delta);
        base._Process(delta);
    }

    public void ProcessHits()
    {
        if (IsParried)
        {
            return;
        }

        foreach (BoundingBox box in Hitbox.Hits)
        {
            if (box is Hurtbox hurtbox)
            {
                GD.Print("LUL");
                hurtbox.InflictDamage(Damage, Character, Knockback);
            }
        }
    }

    public void AttemptParry(Weapon otherWeapon)
    {
        if (otherWeapon.IsParryable &&
            otherWeapon is IParryable otherParryable)
        {
            if (ParryTimeOrigin < otherParryable.ParryTimeOrigin)
            {
                // our character was parried
                ParryParticles.CloneOnWorld<GpuParticles2D>().EmitOneShot();
            }
            else
            {
                otherParryable.Stun();
            }
        }
    }

    public void Stun()
    {
        IsParried = true;
        AnimationPlayer.SpeedScale = 0.25f;
        Character.Stun(1);
        GetNode<AudioStreamPlayer2D>("ParrySound")
            .OnWorld()
            .WithPitchDeviation(0.125f)
            .PlayOneShot();
    }

    public override void OnHitboxHit(BoundingBox box)
    {
        if (IsParried)
        {
            return;
        }

        if (box is Hitbox hb)
        {
            Weapon w = hb.GetAncestor<Weapon>();
            if (w is not null)
            {
                AttemptParry(w);
            }
        }

        if (box is Hurtbox hurt)
        {
            if (hurt.GetParent() is Character c)
            {
                var item = c.Inventory.SelectedItem;
                if (item is Weapon w)
                {
                    AttemptParry(w);
                }
            }
        }
    }

    protected void SetAnimationCondition(string condition, bool value)
    {

    }
}