initial commit

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

@@ -0,0 +1,59 @@
+using System;
+using UnityEditor.Graphing;
+using UnityEditor.ShaderGraph.Drawing.Slots;
+using UnityEditor.ShaderGraph.Internal;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace UnityEditor.ShaderGraph
+{
+    [Serializable]
+    class UVMaterialSlot : Vector2MaterialSlot, IMayRequireMeshUV
+    {
+        [SerializeField]
+        UVChannel m_Channel = UVChannel.UV0;
+
+        public UVChannel channel
+        {
+            get { return m_Channel; }
+            set { m_Channel = value; }
+        }
+
+        public override bool isDefaultValue => channel == UVChannel.UV0;
+
+        public UVMaterialSlot()
+        { }
+
+        public UVMaterialSlot(int slotId, string displayName, string shaderOutputName, UVChannel channel,
+                              ShaderStageCapability stageCapability = ShaderStageCapability.All, bool hidden = false)
+            : base(slotId, displayName, shaderOutputName, SlotType.Input, Vector2.zero, stageCapability, hidden: hidden)
+        {
+            this.channel = channel;
+        }
+
+        public override VisualElement InstantiateControl()
+        {
+            return new UVSlotControlView(this);
+        }
+
+        public override string GetDefaultValue(GenerationMode generationMode)
+        {
+            return string.Format("IN.{0}.xy", channel.GetUVName());
+        }
+
+        public bool RequiresMeshUV(UVChannel channel, ShaderStageCapability stageCapability)
+        {
+            if (isConnected)
+                return false;
+
+            return m_Channel == channel;
+        }
+
+        public override void CopyValuesFrom(MaterialSlot foundSlot)
+        {
+            var slot = foundSlot as UVMaterialSlot;
+            if (slot != null)
+                channel = slot.channel;
+        }
+    }
+}