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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using UnityEngine.Graphing; |
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namespace UnityEngine.MaterialGraph |
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{ |
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[Title("Channel/Combine")] |
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public class CombineNode : PropertyNode, IGeneratesBodyCode |
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{ |
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protected const string kOutputSlot0Id = "Input0"; |
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protected const string kOutputSlot1Id = "Input1"; |
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protected const string kOutputSlot2Id = "Input2"; |
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protected const string kOutputSlot3Id = "Input3"; |
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protected const string kOutputSlotRGBAName = "RGBA"; |
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protected const string kOutputSlotRGBSlotName = "RGB"; |
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protected const string kOutputSlotRGSlotName = "RG"; |
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public const int InputSlot0Id = 0; |
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public const int InputSlot1Id = 1; |
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public const int InputSlot2Id = 2; |
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public const int InputSlot3Id = 3; |
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public const int OutputSlotRGBAId = 4; |
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public const int OutputSlotRGBId = 5; |
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public const int OutputSlotRGId = 6; |
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public CombineNode() |
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{ |
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name = "Combine"; |
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UpdateNodeAfterDeserialization(); |
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} |
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public sealed override void UpdateNodeAfterDeserialization() |
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{ |
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AddSlot(new MaterialSlot(InputSlot0Id, kOutputSlot0Id, kOutputSlot0Id, SlotType.Input, SlotValueType.Dynamic, Vector4.zero)); |
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AddSlot(new MaterialSlot(InputSlot1Id, kOutputSlot1Id, kOutputSlot1Id, SlotType.Input, SlotValueType.Dynamic, Vector4.zero)); |
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AddSlot(new MaterialSlot(InputSlot2Id, kOutputSlot2Id, kOutputSlot2Id, SlotType.Input, SlotValueType.Dynamic, Vector4.zero)); |
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AddSlot(new MaterialSlot(InputSlot3Id, kOutputSlot3Id, kOutputSlot3Id, SlotType.Input, SlotValueType.Dynamic, Vector4.zero)); |
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AddSlot(new MaterialSlot(OutputSlotRGBAId, kOutputSlotRGBAName, kOutputSlotRGBAName, SlotType.Output, SlotValueType.Vector4, Vector4.zero)); |
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AddSlot(new MaterialSlot(OutputSlotRGBId, kOutputSlotRGBSlotName, kOutputSlotRGBSlotName, SlotType.Output, SlotValueType.Vector3, Vector4.zero)); |
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AddSlot(new MaterialSlot(OutputSlotRGId, kOutputSlotRGSlotName, kOutputSlotRGSlotName, SlotType.Output, SlotValueType.Vector2, Vector4.zero)); |
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RemoveSlotsNameNotMatching(validSlots); |
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} |
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protected int[] validSlots |
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{ |
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get { return new[] { InputSlot0Id, InputSlot1Id, InputSlot2Id, InputSlot3Id, OutputSlotRGBAId, OutputSlotRGBId, OutputSlotRGId }; } |
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} |
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[SerializeField] |
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private Vector4 m_Value; |
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public Vector4 value |
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{ |
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get { return m_Value; } |
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set |
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{ |
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if (m_Value == value) |
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return; |
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m_Value = value; |
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if (onModified != null) |
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onModified(this, ModificationScope.Node); |
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} |
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} |
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public override PropertyType propertyType { get { return PropertyType.Vector4; } } |
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public override void GeneratePropertyBlock(PropertyGenerator visitor, GenerationMode generationMode) |
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{ |
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if (exposedState == ExposedState.Exposed) |
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visitor.AddShaderProperty(new VectorPropertyChunk(propertyName, description, m_Value, PropertyChunk.HideState.Visible)); |
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} |
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public override void GeneratePropertyUsages(ShaderGenerator visitor, GenerationMode generationMode) |
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{ |
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if (exposedState == ExposedState.Exposed || generationMode.IsPreview()) |
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visitor.AddShaderChunk(precision + "4 " + propertyName + ";", true); |
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} |
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public void GenerateNodeCode(ShaderGenerator visitor, GenerationMode generationMode) |
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{ |
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//if (exposedState == ExposedState.Exposed || generationMode.IsPreview())
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// return;
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var inputValue = GetSlotValue(InputSlot0Id, generationMode); |
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visitor.AddShaderChunk(precision + "4 " + propertyName + " = " + inputValue + ";", false); |
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//visitor.AddShaderChunk(precision + "4 " + propertyName + " = " + precision + "4 (" + m_Value.x + ", " + m_Value.y + ", " + m_Value.z + ", " + m_Value.w + ");", true);
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} |
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protected virtual MaterialSlot GetInputSlot() |
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{ |
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return new MaterialSlot(InputSlot0Id, GetInputSlotName(), kOutputSlot0Id, SlotType.Input, SlotValueType.Dynamic, Vector4.zero); |
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} |
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protected virtual string GetInputSlotName() { return "Input"; } |
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public override PreviewProperty GetPreviewProperty() |
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{ |
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return new PreviewProperty |
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{ |
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m_Name = propertyName, |
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m_PropType = PropertyType.Vector4, |
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m_Vector4 = m_Value |
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}; |
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} |
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/*public override string GetVariableNameForSlot(int slotId) |
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{ |
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string slotOutput; |
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switch (slotId) |
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{ |
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case OutputSlotRId: |
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slotOutput = ".r"; |
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break; |
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case OutputSlotGId: |
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slotOutput = ".g"; |
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break; |
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case OutputSlotBId: |
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slotOutput = ".b"; |
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break; |
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case OutputSlotAId: |
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slotOutput = ".a"; |
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break; |
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default: |
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slotOutput = ""; |
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break; |
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} |
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return propertyName + slotOutput; |
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//return GetVariableNameForNode() + slotOutput;
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}*/ |
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public override void CollectPreviewMaterialProperties(List<PreviewProperty> properties) |
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{ |
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properties.Add(GetPreviewProperty()); |
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} |
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} |
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} |
Eduardo Chaves
7 年前