rokojori_action_library/Runtime/VFX/ParticleVFX/Embers/EmberVFXData.cs

using Godot;
using System.Collections.Generic;

using Rokojori.Extensions;
namespace Rokojori;

[Tool]
[GlobalClass ]
public partial class EmberVFXData:ParticleVFXData
{ 
  public static readonly CachedResource<ParticleProcessMaterial> EmberExplodeMaterial = new CachedResource<ParticleProcessMaterial>(
    "res://addons/rokojori_action_library/Runtime/VFX/ParticleVFX/Shared/ProcessMaterials/Ember-Explode.material"
  );

  public static readonly CachedResource<ShaderMaterial> EmberCircleMaterial = new CachedResource<ShaderMaterial>(
    "res://addons/rokojori_action_library/Runtime/VFX/ParticleVFX/Embers/Ember Circle.material"
  );

  public static readonly CachedResource<QuadMesh> QuadMesh = new CachedResource<QuadMesh>(
    "res://addons/rokojori_action_library/Runtime/VFX/ParticleVFX/Shared/Passes/Quad Draw Pass.tres"
  );

  public static readonly CachedResource<Gradient> GradientDefault = new CachedResource<Gradient>(
    " res://addons/rokojori_action_library/Runtime/VFX/ParticleVFX/Shared/Gradient-Default.tres"
  );

 

  public EmberVFXPreset preset;
  public GpuParticles3D particles;
  public PlayParticles playParticles;
  public ParticleProcessMaterial processMaterial;
  public Material material;

  public void Assign( ParticleVFX vfx )
  {
    vfx._SetParticlesVFXData( this );

    particles = vfx.GetOrCreateChild<GpuParticles3D>();
    particles.DrawPass1 = QuadMesh.Get();

    playParticles = vfx.GetOrCreateChild<PlayParticles>();
    playParticles.particles3D = particles;
    playParticles.usePooling = preset.usePooling;

    processMaterial = EmberExplodeMaterial.GetDuplicate();
    material = EmberCircleMaterial.GetDuplicate();

    RJLog.Log( material, EmberCircleMaterial.GetDuplicate() );

    particles.ProcessMaterial = processMaterial;
    particles.MaterialOverride = material;

    UpdateSettings( vfx );
  }

  public void Play( ParticleVFX vfx )
  {
    playParticles.Trigger();
  }

  public static FloatPropertyName meshScale = FloatPropertyName.Create( "meshScale" );

  public void UpdateSettings( ParticleVFX vfx )
  {
    if ( preset == null || processMaterial == null )
    {
      return;
    }

    UpdateCoreSettings( preset, particles );

    processMaterial.Color = preset.color * preset.colorIntensity;

    
    var rampTexture = processMaterial.ColorRamp as GradientTexture1D;

    if ( rampTexture == null )
    {
      rampTexture = new GradientTexture1D();
      processMaterial.ColorRamp = rampTexture;
    }

    rampTexture.Gradient = preset.gradient ?? GradientDefault.Get();
   

    preset.movement?.UpdateSettings( processMaterial, vfx );
    preset.volume?.UpdateSettings( processMaterial, vfx );

    meshScale.Set( material, preset.meshScale );
    
    // processMaterial.ScaleMin = preset.meshScale;
    // processMaterial.ScaleMax = preset.meshScale;

    // processMaterial.InitialVelocityMin = preset.minVelocity + preset.velocityOffset;
    // processMaterial.InitialVelocityMax = preset.maxVelocity + preset.velocityOffset;

    // processMaterial.Gravity = preset.gravityDirection * preset.gravityMultiplier;

    // processMaterial.DampingMin = preset.minDamping + preset.dampingOffset;
    // processMaterial.DampingMax = preset.maxDamping + preset.dampingOffset;
  }

#if TOOLS
  public void DrawGizmo( ParticleVFX vfx, EditorNode3DGizmoPlugin gizmoPlugin, EditorNode3DGizmo gizmo )
  {
    preset.volume?.DrawGizmo( vfx, gizmoPlugin, gizmo );
  }
#endif
}