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118 行
3.8 KiB
118 行
3.8 KiB
using System;
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using UnityEditor.Graphing;
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using UnityEditor.ShaderGraph.Drawing.Slots;
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using UnityEditor.ShaderGraph.Internal;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace UnityEditor.ShaderGraph
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{
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[Serializable]
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class DynamicMatrixMaterialSlot : MaterialSlot, IMaterialSlotHasValue<Matrix4x4>
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{
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[SerializeField]
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private Matrix4x4 m_Value = Matrix4x4.identity;
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[SerializeField]
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private Matrix4x4 m_DefaultValue = Matrix4x4.identity;
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private ConcreteSlotValueType m_ConcreteValueType = ConcreteSlotValueType.Matrix4;
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public DynamicMatrixMaterialSlot()
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{
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}
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public DynamicMatrixMaterialSlot(
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int slotId,
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string displayName,
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string shaderOutputName,
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SlotType slotType,
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ShaderStageCapability stageCapability = ShaderStageCapability.All,
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bool hidden = false)
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: base(slotId, displayName, shaderOutputName, slotType, stageCapability, hidden)
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{
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m_Value = value;
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}
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public override VisualElement InstantiateControl()
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{
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return new LabelSlotControlView("Identity");
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}
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public Matrix4x4 defaultValue { get { return m_DefaultValue; } }
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public Matrix4x4 value
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{
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get { return m_Value; }
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set { m_Value = value; }
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}
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public override SlotValueType valueType { get { return SlotValueType.DynamicMatrix; } }
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public override ConcreteSlotValueType concreteValueType
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{
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get { return m_ConcreteValueType; }
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}
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public void SetConcreteType(ConcreteSlotValueType valueType)
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{
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m_ConcreteValueType = valueType;
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}
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protected override string ConcreteSlotValueAsVariable()
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{
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var channelCount = (int)SlotValueHelper.GetMatrixDimension(concreteValueType);
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var values = "";
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bool isFirst = true;
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for (var r = 0; r < channelCount; r++)
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{
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for (var c = 0; c < channelCount; c++)
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{
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if (!isFirst)
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values += ", ";
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isFirst = false;
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values += value.GetRow(r)[c];
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}
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}
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return string.Format("$precision{0}x{0}({1})", channelCount, values);
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}
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public override void AddDefaultProperty(PropertyCollector properties, GenerationMode generationMode)
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{
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if (!generationMode.IsPreview())
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return;
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var matOwner = owner as AbstractMaterialNode;
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if (matOwner == null)
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throw new Exception(string.Format("Slot {0} either has no owner, or the owner is not a {1}", this, typeof(AbstractMaterialNode)));
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AbstractShaderProperty property;
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switch (concreteValueType)
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{
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case ConcreteSlotValueType.Matrix4:
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property = new Matrix4ShaderProperty();
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break;
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case ConcreteSlotValueType.Matrix3:
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property = new Matrix3ShaderProperty();
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break;
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case ConcreteSlotValueType.Matrix2:
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property = new Matrix2ShaderProperty();
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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property.overrideReferenceName = matOwner.GetVariableNameForSlot(id);
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property.generatePropertyBlock = false;
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properties.AddShaderProperty(property);
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}
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public override void CopyValuesFrom(MaterialSlot foundSlot)
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{
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var slot = foundSlot as DynamicMatrixMaterialSlot;
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if (slot != null)
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value = slot.value;
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}
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}
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}
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