mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Editor/Data/Graphs/ScreenPositionMaterialSlot.cs

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2024-09-20 20:30:10 +02:00
using System;
using UnityEditor.Graphing;
using UnityEditor.ShaderGraph.Drawing.Slots;
using UnityEngine;
using UnityEngine.UIElements;
namespace UnityEditor.ShaderGraph
{
[Serializable]
class ScreenPositionMaterialSlot : Vector4MaterialSlot, IMayRequireScreenPosition, IMayRequireNDCPosition, IMayRequirePixelPosition
{
[SerializeField]
ScreenSpaceType m_ScreenSpaceType;
public ScreenSpaceType screenSpaceType
{
get { return m_ScreenSpaceType; }
set { m_ScreenSpaceType = value; }
}
public override bool isDefaultValue => screenSpaceType == ScreenSpaceType.Default;
public ScreenPositionMaterialSlot()
{ }
public ScreenPositionMaterialSlot(int slotId, string displayName, string shaderOutputName, ScreenSpaceType screenSpaceType,
ShaderStageCapability stageCapability = ShaderStageCapability.All, bool hidden = false)
: base(slotId, displayName, shaderOutputName, SlotType.Input, Vector3.zero, stageCapability, 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(ShaderStageCapability stageCapability)
{
return !isConnected && screenSpaceType.RequiresScreenPosition();
}
public bool RequiresNDCPosition(ShaderStageCapability stageCapability)
{
return !isConnected && screenSpaceType.RequiresNDCPosition();
}
public bool RequiresPixelPosition(ShaderStageCapability stageCapability)
{
return !isConnected && screenSpaceType.RequiresPixelPosition();
}
public override void CopyValuesFrom(MaterialSlot foundSlot)
{
var slot = foundSlot as ScreenPositionMaterialSlot;
if (slot != null)
screenSpaceType = slot.screenSpaceType;
}
}
}