initial commit

Library/PackageCache/com.unity.shadergraph@8148.12.1-8/Editor/Data/Graphs/Vector2MaterialSlot.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 Vector2MaterialSlot : MaterialSlot, IMaterialSlotHasValue<Vector2>
+    {
+        [SerializeField]
+        Vector2 m_Value;
+
+        [SerializeField]
+        Vector2 m_DefaultValue = Vector2.zero;
+
+        [SerializeField]
+        string[] m_Labels; // this can be null, which means fallback to k_LabelDefaults
+
+        bool m_Integer = false;
+
+        static readonly string[] k_LabelDefaults = { "X", "Y" };
+        string[] labels
+        {
+            get
+            {
+                if ((m_Labels == null) || (m_Labels.Length != k_LabelDefaults.Length))
+                    return k_LabelDefaults;
+                return m_Labels;
+            }
+        }
+
+        public Vector2MaterialSlot()
+        {
+        }
+
+        public Vector2MaterialSlot(
+            int slotId,
+            string displayName,
+            string shaderOutputName,
+            SlotType slotType,
+            Vector2 value,
+            ShaderStageCapability stageCapability = ShaderStageCapability.All,
+            string label1 = null,
+            string label2 = null,
+            bool hidden = false,
+            bool integer = false)
+            : base(slotId, displayName, shaderOutputName, slotType, stageCapability, hidden)
+        {
+            m_Value = value;
+            m_Integer = integer;
+            if ((label1 != null) || (label2 != null))
+            {
+                m_Labels = new[]
+                {
+                    label1 ?? k_LabelDefaults[0],
+                    label2 ?? k_LabelDefaults[1]
+                };
+            }
+        }
+
+        public Vector2 defaultValue { get { return m_DefaultValue; } }
+
+        public Vector2 value
+        {
+            get { return m_Value; }
+            set { m_Value = value; }
+        }
+
+        public override bool isDefaultValue => value.Equals(defaultValue);
+
+        public override VisualElement InstantiateControl()
+        {
+            if (m_Integer)
+            {
+                return new MultiIntegerSlotControlView(owner, labels, () => value, (newValue) => value = newValue);
+            }
+            else
+            {
+                return new MultiFloatSlotControlView(owner, labels, () => value, (newValue) => value = newValue);
+            }
+        }
+
+        protected override string ConcreteSlotValueAsVariable()
+        {
+            return string.Format("$precision2 ({0}, {1})"
+                , NodeUtils.FloatToShaderValue(value.x)
+                , NodeUtils.FloatToShaderValue(value.y));
+        }
+
+        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 Vector2ShaderProperty
+            {
+                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.Vector2)
+            {
+                name = name,
+                vector4Value = new Vector4(value.x, value.y, 0, 0),
+            };
+            properties.Add(pp);
+        }
+
+        public override SlotValueType valueType { get { return SlotValueType.Vector2; } }
+        public override ConcreteSlotValueType concreteValueType { get { return ConcreteSlotValueType.Vector2; } }
+
+        public override void CopyValuesFrom(MaterialSlot foundSlot)
+        {
+            var slot = foundSlot as Vector2MaterialSlot;
+            if (slot != null)
+                value = slot.value;
+        }
+
+        public override void CopyDefaultValue(MaterialSlot other)
+        {
+            base.CopyDefaultValue(other);
+            if (other is IMaterialSlotHasValue<Vector2> ms)
+            {
+                m_DefaultValue = ms.defaultValue;
+            }
+        }
+    }
+}