initial commit

Library/PackageCache/com.unity.shadergraph@8148.12.1-8/Editor/Data/Graphs/Matrix4MaterialSlot.cs

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+using System;
+using System.Collections.Generic;
+using UnityEditor.Graphing;
+using UnityEditor.ShaderGraph.Drawing.Slots;
+using UnityEditor.ShaderGraph.Internal;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace UnityEditor.ShaderGraph
+{
+    [Serializable]
+    class Matrix4MaterialSlot : MaterialSlot, IMaterialSlotHasValue<Matrix4x4>
+    {
+        [SerializeField]
+        private Matrix4x4 m_Value = Matrix4x4.identity;
+
+        [SerializeField]
+        private Matrix4x4 m_DefaultValue = Matrix4x4.identity;
+
+        public Matrix4MaterialSlot()
+        {
+        }
+
+        public Matrix4MaterialSlot(
+            int slotId,
+            string displayName,
+            string shaderOutputName,
+            SlotType slotType,
+            ShaderStageCapability stageCapability = ShaderStageCapability.All,
+            bool hidden = false)
+            : base(slotId, displayName, shaderOutputName, slotType, stageCapability, hidden)
+        {
+        }
+
+        public override VisualElement InstantiateControl()
+        {
+            return new LabelSlotControlView("Identity");
+        }
+
+        public Matrix4x4 defaultValue { get { return m_DefaultValue; } }
+
+        public Matrix4x4 value
+        {
+            get { return m_Value; }
+            set { m_Value = value; }
+        }
+
+        public override bool isDefaultValue => value.Equals(defaultValue);
+
+        protected override string ConcreteSlotValueAsVariable()
+        {
+            return "$precision4x4 (1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1)";
+        }
+
+        public override void AddDefaultProperty(PropertyCollector properties, GenerationMode generationMode)
+        {
+            if (!generationMode.IsPreview())
+                return;
+
+            var matOwner = owner as AbstractMaterialNode;
+            if (matOwner == null)
+                throw new Exception(string.Format("Slot {0} either has no owner, or the owner is not a {1}", this, typeof(AbstractMaterialNode)));
+
+            var property = new Matrix4ShaderProperty()
+            {
+                overrideReferenceName = matOwner.GetVariableNameForSlot(id),
+                generatePropertyBlock = false,
+                value = value
+            };
+            properties.AddShaderProperty(property);
+        }
+
+        public override void GetPreviewProperties(List<PreviewProperty> properties, string name)
+        {
+            var pp = new PreviewProperty(PropertyType.Matrix4)
+            {
+                name = name,
+                matrixValue = value
+            };
+            properties.Add(pp);
+        }
+
+        public override SlotValueType valueType { get { return SlotValueType.Matrix4; } }
+        public override ConcreteSlotValueType concreteValueType { get { return ConcreteSlotValueType.Matrix4; } }
+
+        public override void CopyValuesFrom(MaterialSlot foundSlot)
+        {
+            var slot = foundSlot as Matrix4MaterialSlot;
+            if (slot != null)
+                value = slot.value;
+        }
+
+        public override void CopyDefaultValue(MaterialSlot other)
+        {
+            base.CopyDefaultValue(other);
+            if (other is IMaterialSlotHasValue<Matrix4x4> ms)
+            {
+                m_DefaultValue = ms.defaultValue;
+            }
+        }
+    }
+}