80 lines
2.5 KiB
C#
80 lines
2.5 KiB
C#
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using System;
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using UnityEngine;
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using UnityEditor.Experimental.GraphView;
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using UnityEngine.UIElements;
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namespace UnityEditor.ShaderGraph.Drawing
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{
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sealed class ShaderPort : Port
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{
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public static StyleSheet styleSheet;
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ShaderPort(Orientation portOrientation, Direction portDirection, Capacity portCapacity, Type type)
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: base(portOrientation, portDirection, portCapacity, type)
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{
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if(styleSheet == null)
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styleSheet = Resources.Load<StyleSheet>("Styles/ShaderPort");
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styleSheets.Add(styleSheet);
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}
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MaterialSlot m_Slot;
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public static ShaderPort Create(MaterialSlot slot, IEdgeConnectorListener connectorListener)
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{
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var port = new ShaderPort(Orientation.Horizontal, slot.isInputSlot ? Direction.Input : Direction.Output,
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slot.isInputSlot ? Capacity.Single : Capacity.Multi, null)
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{
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m_EdgeConnector = new EdgeConnector<Edge>(connectorListener),
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};
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port.AddManipulator(port.m_EdgeConnector);
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port.slot = slot;
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port.portName = slot.displayName;
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port.visualClass = slot.concreteValueType.ToClassName();
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return port;
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}
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public void Dispose()
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{
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this.RemoveManipulator(m_EdgeConnector);
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m_EdgeConnector = null;
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m_Slot = null;
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styleSheets.Clear();
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DisconnectAll();
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OnDisconnect = null;
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}
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public MaterialSlot slot
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{
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get { return m_Slot; }
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set
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{
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if (ReferenceEquals(value, m_Slot))
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return;
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if (value == null)
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throw new NullReferenceException();
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if (m_Slot != null && value.isInputSlot != m_Slot.isInputSlot)
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throw new ArgumentException("Cannot change direction of already created port");
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m_Slot = value;
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portName = slot.displayName;
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visualClass = slot.concreteValueType.ToClassName();
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}
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}
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public new Action<Port> OnDisconnect;
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public override void Disconnect(Edge edge)
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{
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base.Disconnect(edge);
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OnDisconnect?.Invoke(this);
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}
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}
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static class ShaderPortExtensions
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{
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public static MaterialSlot GetSlot(this Port port)
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{
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var shaderPort = port as ShaderPort;
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return shaderPort != null ? shaderPort.slot : null;
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}
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}
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}
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