using System; using UnityEditor.Graphing; using UnityEditor.ShaderGraph.Drawing.Slots; using UnityEngine; using UnityEngine.Experimental.UIElements; namespace UnityEditor.ShaderGraph { [Serializable] public class ScreenPositionMaterialSlot : Vector4MaterialSlot, IMayRequireScreenPosition { [SerializeField] ScreenSpaceType m_ScreenSpaceType; public ScreenSpaceType screenSpaceType { get { return m_ScreenSpaceType; } set { m_ScreenSpaceType = value; } } public ScreenPositionMaterialSlot() {} public ScreenPositionMaterialSlot(int slotId, string displayName, string shaderOutputName, ScreenSpaceType screenSpaceType, ShaderStage shaderStage = ShaderStage.Dynamic, bool hidden = false) : base(slotId, displayName, shaderOutputName, SlotType.Input, Vector3.zero, shaderStage, hidden: hidden) { this.screenSpaceType = screenSpaceType; } public override VisualElement InstantiateControl() { return new ScreenPositionSlotControlView(this); } public override string GetDefaultValue(GenerationMode generationMode) { return m_ScreenSpaceType.ToValueAsVariable(); } public bool RequiresScreenPosition() { return !isConnected; } public override void CopyValuesFrom(MaterialSlot foundSlot) { var slot = foundSlot as ScreenPositionMaterialSlot; if (slot != null) screenSpaceType = slot.screenSpaceType; } } }