cirnogodot/Scripts/Components/Actors/3D/PlayerAnimationProvider3D.cs

using Godot;
using GTweens.Builders;
using GTweens.Tweens;
using GTweensGodot.Extensions;

namespace Cirno.Scripts.Components.Actors._3D;

public partial class PlayerAnimationProvider3D : Node3D
{
    [Export] public AnimatedSprite3D AnimatedSprite {get; private set;}
    
    [ExportCategory("Animation Names")]
    [Export]
    public StringName WalkRightAnimationName {get; private set;} = "walk_right";

    [Export]
    public StringName WalkLeftAnimationName {get; private set;} = "walk_left";
    [Export]
    public StringName WalkDownAnimationName {get; private set;} = "walk_down";
    [Export]
    public StringName WalkUpAnimationName {get; private set;} = "walk_up";
    
    [Export]
    public StringName DrowningAnimationName {get; private set;} = "Drowning";
    
    [ExportCategory("Shaders")]
    [Export] public ShaderMaterial BlinkMaterial {get; private set;}

    [Export] public StringName BlinkShaderPropertyName { get; private set; } = new("blink_intensity");
    [Export] public StringName TeleportProgressPropertyName { get; private set; } = new("teleport_progress");
    [Export] public StringName ScanlineDensityPropertyName { get; private set; } = new("scanline_density");

    private GTween _blinkTween;
    
    [Signal] public delegate void OnAnimationEndedEventHandler(StringName animationName);

    private ShaderMaterial _shaderMaterial;
    
    public override void _Ready()
    {
        AnimatedSprite.AnimationFinished += () => EmitSignal(SignalName.OnAnimationEnded, AnimatedSprite.Animation);

        _shaderMaterial = ((ShaderMaterial)AnimatedSprite.MaterialOverride);
    }
    
    public void ShowSprite()
    {
        this.Show();
    }

    public void HideSprite()
    {
        this.Hide();
    }
    
    public void SetAnimationSpeed(Vector2 velocity)
    {
        if (velocity.Length() == 0)
        {
            AnimatedSprite.SpeedScale = 0;
        }
        else
        {
            if (velocity.Length() > 40)
            {
                AnimatedSprite.SpeedScale = 1;				
            }
            else
            {
                AnimatedSprite.SpeedScale = 0.8f;
            }
			
        }
    }
    
    public void SetAnimation(Vector2 direction)
    {
        if (direction == Vector2.Zero)
            return;

        float angle = Mathf.RadToDeg(direction.Angle());

        // Normalize to 0-360
        if (angle < 0)
            angle += 360;

        string animToPlay;

        switch (angle)
        {
            case >= 45 and < 135:
                AnimatedSprite.Play(WalkDownAnimationName);
                break;
            case >= 135 and < 225:
                AnimatedSprite.Play(WalkLeftAnimationName);
                break;
            case >= 225 and < 315:
                AnimatedSprite.Play(WalkUpAnimationName);
                break;
            default:
                AnimatedSprite.Play(WalkRightAnimationName);
                break;
        }
		
    }
    
    public void PlayDeathAnimation()
    {
        this.Visible = false;
        // if (_deathParticles is null) return;
        // this.CreateSibling<AutodeleteParticle>(_deathParticles, this.GlobalPosition);
       
    }
	
    public void PlayDrowningAnimation()
    {
        this.Visible = true;
        AnimatedSprite.Play(DrowningAnimationName);
        AnimatedSprite.SpeedScale = 1;
    }
    
    public void Blink(bool health = true)
    {
        if (AnimatedSprite.MaterialOverride is null)
        {
            return;
        }
        //if (BlinkMaterial == null) return;
        //AnimatedSprite.MaterialOverride = BlinkMaterial;
        
        //var material = ((ShaderMaterial)AnimatedSprite.MaterialOverride);

        if (health)
        {
            SetShaderBlinkColor(Colors.Red);
        }
        else
        {
            SetShaderBlinkColor(Colors.Blue);
        }
        
        _blinkTween?.Kill();
		      
        _blinkTween = GTweenSequenceBuilder.New()
            .Append(_shaderMaterial.TweenPropertyFloat(BlinkShaderPropertyName, 1f, 0f))
            .Append(_shaderMaterial.TweenPropertyFloat(BlinkShaderPropertyName, 0f, 0.5f))
            .Build();
        
        _blinkTween.Play();
    }
    
    public void PlayTeleportAnimation()
    {
        if (AnimatedSprite.MaterialOverride is null)
        {
            return;
        }
        
        //var material = ((ShaderMaterial)AnimatedSprite.MaterialOverride);
        _blinkTween?.Kill();
        _blinkTween = GTweenSequenceBuilder.New()
            .Append(_shaderMaterial.TweenPropertyFloat(TeleportProgressPropertyName, 0f, 0f))
            .Append(_shaderMaterial.TweenPropertyFloat(ScanlineDensityPropertyName, 0f, 0f))
            .Append(_shaderMaterial.TweenPropertyFloat(ScanlineDensityPropertyName,50f,0.5f))
            .Join(_shaderMaterial.TweenPropertyFloat(TeleportProgressPropertyName, 1f,0.5f))
            .Build();

        _blinkTween.Play();
    }

    public void PlayUnteleportAnimation()
    {
        if (AnimatedSprite.MaterialOverride is null)
        {
            return;
        }

        //var material = ((ShaderMaterial)AnimatedSprite.MaterialOverride);
        _blinkTween?.Kill();
        _blinkTween = GTweenSequenceBuilder.New()
            .Append(_shaderMaterial.TweenPropertyFloat(TeleportProgressPropertyName, 1f, 0f))
            .Append(_shaderMaterial.TweenPropertyFloat(ScanlineDensityPropertyName, 50f, 0f))
            .Append(_shaderMaterial.TweenPropertyFloat(ScanlineDensityPropertyName,0f,0.5f))
            .Join(_shaderMaterial.TweenPropertyFloat(TeleportProgressPropertyName, 0f,0.5f))
            .Build();

        _blinkTween.Play();
    }
    
    private void SetShaderBlinkColor(Color value)
    {
        _shaderMaterial.SetShaderParameter("blink_color", value);
    }
    
    private void SetShaderTeleportProgress(float value)
    {
        _shaderMaterial.SetShaderParameter("teleport_progress", value);
    }

    private void SetShaderScanlineDensity(float value)
    {
        _shaderMaterial.SetShaderParameter("scanline_density", value);
    }

    private void SetShaderBlinkIntensity(float newValue)
    {
        _shaderMaterial.SetShaderParameter("blink_intensity", newValue);
    }

    public void PlayShieldAnimation()
    {
        Blink(false);
    }
}