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116 行
3.8 KiB

using System;
using UnityEditor.Graphing;
using UnityEditor.ShaderGraph.Drawing.Slots;
using UnityEngine;
using UnityEngine.Experimental.UIElements;
namespace UnityEditor.ShaderGraph
{
[Serializable]
public class DynamicMatrixMaterialSlot : MaterialSlot, IMaterialSlotHasValue<Matrix4x4>
{
[SerializeField]
private Matrix4x4 m_Value = Matrix4x4.identity;
[SerializeField]
private Matrix4x4 m_DefaultValue = Matrix4x4.identity;
private ConcreteSlotValueType m_ConcreteValueType = ConcreteSlotValueType.Matrix4;
public DynamicMatrixMaterialSlot()
{
}
public DynamicMatrixMaterialSlot(
int slotId,
string displayName,
string shaderOutputName,
SlotType slotType,
ShaderStage shaderStage = ShaderStage.Dynamic,
bool hidden = false)
: base(slotId, displayName, shaderOutputName, slotType, shaderStage, hidden)
{
m_Value = value;
}
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 SlotValueType valueType { get { return SlotValueType.DynamicMatrix; } }
public override ConcreteSlotValueType concreteValueType
{
get { return m_ConcreteValueType; }
}
public void SetConcreteType(ConcreteSlotValueType valueType)
{
m_ConcreteValueType = valueType;
}
protected override string ConcreteSlotValueAsVariable(AbstractMaterialNode.OutputPrecision precision)
{
var channelCount = (int)SlotValueHelper.GetMatrixDimension(concreteValueType);
var values = "";
bool isFirst = true;
for (var r = 0; r < channelCount; r++)
{
for (var c = 0; c < channelCount; c++)
{
if(!isFirst)
values += ", ";
isFirst = false;
values += value.GetRow(r)[c];
}
}
return string.Format("{0}{1}x{1}({2})", precision, channelCount, values);
}
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)));
IShaderProperty property;
switch (concreteValueType)
{
case ConcreteSlotValueType.Matrix4:
property = new Matrix4ShaderProperty();
break;
case ConcreteSlotValueType.Matrix3:
property = new Matrix3ShaderProperty();
break;
case ConcreteSlotValueType.Matrix2:
property = new Matrix2ShaderProperty();
break;
default:
throw new ArgumentOutOfRangeException();
}
property.overrideReferenceName = matOwner.GetVariableNameForSlot(id);
property.generatePropertyBlock = false;
properties.AddShaderProperty(property);
}
public override void CopyValuesFrom(MaterialSlot foundSlot)
{
var slot = foundSlot as DynamicMatrixMaterialSlot;
if (slot != null)
value = slot.value;
}
}
}