Mindgames/Library/PackageCache/com.unity.shadergraph@6.9.0/Editor/Data/Graphs/Matrix3MaterialSlot.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using UnityEditor.Graphing;
   4 using UnityEditor.ShaderGraph.Drawing.Slots;
   5 using UnityEngine;
   6 using UnityEngine.UIElements;
   7
   8 namespace UnityEditor.ShaderGraph
   9 {
  10     [Serializable]
  11     class Matrix3MaterialSlot : MaterialSlot, IMaterialSlotHasValue<Matrix4x4>
  12     {
  13         [SerializeField]
  14         private Matrix4x4 m_Value = Matrix4x4.identity;
  15
  16         [SerializeField]
  17         private Matrix4x4 m_DefaultValue = Matrix4x4.identity;
  18
  19         public Matrix3MaterialSlot()
  20         {
  21         }
  22
  23         public Matrix3MaterialSlot(
  24             int slotId,
  25             string displayName,
  26             string shaderOutputName,
  27             SlotType slotType,
  28             ShaderStageCapability stageCapability = ShaderStageCapability.All,
  29             bool hidden = false)
  30             : base(slotId, displayName, shaderOutputName, slotType, stageCapability, hidden)
  31         {
  32         }
  33
  34         public override VisualElement InstantiateControl()
  35         {
  36             return new LabelSlotControlView("Identity");
  37         }
  38
  39         public Matrix4x4 defaultValue { get { return m_DefaultValue; } }
  40
  41         public Matrix4x4 value
  42         {
  43             get { return m_Value; }
  44             set { m_Value = value; }
  45         }
  46
  47         protected override string ConcreteSlotValueAsVariable()
  48         {
  49             return "$precision3x3 (1,0,0,0,1,0,0,0,1)";
  50         }
  51
  52         public override void AddDefaultProperty(PropertyCollector properties, GenerationMode generationMode)
  53         {
  54             if (!generationMode.IsPreview())
  55                 return;
  56
  57             var matOwner = owner as AbstractMaterialNode;
  58             if (matOwner == null)
  59                 throw new Exception(string.Format("Slot {0} either has no owner, or the owner is not a {1}", this, typeof(AbstractMaterialNode)));
  60
  61             var property = new Matrix3ShaderProperty()
  62             {
  63                 overrideReferenceName = matOwner.GetVariableNameForSlot(id),
  64                 generatePropertyBlock = false,
  65                 value = value
  66             };
  67             properties.AddShaderProperty(property);
  68         }
  69
  70         public override void GetPreviewProperties(List<PreviewProperty> properties, string name)
  71         {
  72             var pp = new PreviewProperty(PropertyType.Matrix3)
  73             {
  74                 name = name,
  75                 matrixValue = value
  76             };
  77             properties.Add(pp);
  78         }
  79
  80         public override SlotValueType valueType { get { return SlotValueType.Matrix3; } }
  81         public override ConcreteSlotValueType concreteValueType { get { return ConcreteSlotValueType.Matrix3; } }
  82
  83         public override void CopyValuesFrom(MaterialSlot foundSlot)
  84         {
  85             var slot = foundSlot as Matrix3MaterialSlot;
  86             if (slot != null)
  87                 value = slot.value;
  88         }
  89     }
  90 }