134 lines
4.3 KiB
C#
134 lines
4.3 KiB
C#
using System;
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using System.Collections.Generic;
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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 Vector3MaterialSlot : MaterialSlot, IMaterialSlotHasValue<Vector3>
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{
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[SerializeField]
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private Vector3 m_Value;
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[SerializeField]
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private Vector3 m_DefaultValue = Vector3.zero;
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[SerializeField]
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string[] m_Labels; // this can be null, which means fallback to k_LabelDefaults
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static readonly string[] k_LabelDefaults = { "X", "Y", "Z" };
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string[] labels
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{
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get
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{
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if ((m_Labels == null) || (m_Labels.Length != k_LabelDefaults.Length))
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return k_LabelDefaults;
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return m_Labels;
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}
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}
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public Vector3MaterialSlot()
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{
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}
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public Vector3MaterialSlot(
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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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Vector3 value,
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ShaderStageCapability stageCapability = ShaderStageCapability.All,
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string label1 = null,
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string label2 = null,
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string label3 = null,
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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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if ((label1 != null) || (label2 != null) || (label3 != null))
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{
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m_Labels = new[]
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{
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label1 ?? k_LabelDefaults[0],
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label2 ?? k_LabelDefaults[1],
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label3 ?? k_LabelDefaults[2]
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};
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}
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}
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public Vector3 defaultValue { get { return m_DefaultValue; } }
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public Vector3 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 bool isDefaultValue => value.Equals(defaultValue);
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public override VisualElement InstantiateControl()
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{
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return new MultiFloatSlotControlView(owner, labels, () => value, (newValue) => value = newValue);
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}
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protected override string ConcreteSlotValueAsVariable()
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{
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return string.Format("$precision3 ({0}, {1}, {2})"
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, NodeUtils.FloatToShaderValue(value.x)
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, NodeUtils.FloatToShaderValue(value.y)
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, NodeUtils.FloatToShaderValue(value.z));
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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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var property = new Vector3ShaderProperty()
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{
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overrideReferenceName = matOwner.GetVariableNameForSlot(id),
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generatePropertyBlock = false,
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value = value
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};
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properties.AddShaderProperty(property);
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}
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public override void GetPreviewProperties(List<PreviewProperty> properties, string name)
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{
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var pp = new PreviewProperty(PropertyType.Vector3)
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{
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name = name,
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vector4Value = new Vector4(value.x, value.y, value.z, 0)
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};
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properties.Add(pp);
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}
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public override SlotValueType valueType { get { return SlotValueType.Vector3; } }
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public override ConcreteSlotValueType concreteValueType { get { return ConcreteSlotValueType.Vector3; } }
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public override void CopyValuesFrom(MaterialSlot foundSlot)
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{
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var slot = foundSlot as Vector3MaterialSlot;
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if (slot != null)
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value = slot.value;
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}
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public override void CopyDefaultValue(MaterialSlot other)
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{
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base.CopyDefaultValue(other);
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if (other is IMaterialSlotHasValue<Vector3> ms)
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{
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m_DefaultValue = ms.defaultValue;
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}
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}
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}
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}
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