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using UnityEngine.Experimental.UIElements; |
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using UnityEditor.Graphing; |
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using UnityEditor.ShaderGraph.Drawing.Controls; |
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using UnityEngine.Experimental.UIElements.StyleEnums; |
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using Node = UnityEditor.Experimental.UIElements.GraphView.Node; |
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namespace UnityEditor.ShaderGraph.Drawing |
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List<VisualElement> m_ControlViews; |
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PreviewTextureView m_PreviewTextureView; |
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VisualElement m_ControlsContainer; |
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Image m_PreviewImage; |
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List<Attacher> m_Attachers; |
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VisualElement m_ControlItems; |
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VisualElement m_PreviewFiller; |
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VisualElement m_PortInputContainer; |
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public void Initialize(AbstractMaterialNode inNode, PreviewManager previewManager, IEdgeConnectorListener connectorListener) |
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{ |
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return; |
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var contents = this.Q("contents"); |
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m_ControlsContainer = new VisualElement |
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// Add controls container
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var controlsContainer = new VisualElement { name = "controls" }; |
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name = "controls" |
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}; |
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extensionContainer.Add(m_ControlsContainer); |
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m_ControlsDivider = new VisualElement { name = "divider" }; |
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m_ControlsDivider.AddToClassList("horizontal"); |
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m_ControlsDivider = new VisualElement { name = "divider" }; |
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m_ControlsDivider.AddToClassList("horizontal"); |
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controlsContainer.Add(m_ControlsDivider); |
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m_ControlItems = new VisualElement { name = "items" }; |
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controlsContainer.Add(m_ControlItems); |
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// Instantiate control views from node
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foreach (var propertyInfo in node.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)) |
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foreach (IControlAttribute attribute in propertyInfo.GetCustomAttributes(typeof(IControlAttribute), false)) |
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m_ControlItems.Add(attribute.InstantiateControl(node, propertyInfo)); |
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} |
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if (m_ControlItems.childCount > 0) |
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contents.Add(controlsContainer); |
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m_PreviewContainer = new VisualElement { name = "previewContainer" }; |
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m_PreviewContainer.AddToClassList("expanded"); |
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// Add actual preview which floats on top of the node
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m_PreviewContainer = new VisualElement |
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m_PreviewTextureView = new PreviewTextureView |
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{ |
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name = "preview", |
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pickingMode = PickingMode.Ignore, |
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image = Texture2D.whiteTexture |
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}; |
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m_PreviewRenderData = previewManager.GetPreview(inNode); |
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m_PreviewRenderData.onPreviewChanged += UpdatePreviewTexture; |
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UpdatePreviewTexture(); |
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name = "previewContainer", |
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clippingOptions = ClippingOptions.ClipAndCacheContents, |
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pickingMode = PickingMode.Ignore |
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}; |
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m_PreviewImage = new Image |
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{ |
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name = "preview", |
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pickingMode = PickingMode.Ignore, |
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image = Texture2D.whiteTexture, |
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}; |
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{ |
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// Add preview collapse button on top of preview
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var collapsePreviewButton = new VisualElement { name = "collapse" }; |
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collapsePreviewButton.Add(new VisualElement { name = "icon" }); |
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collapsePreviewButton.AddManipulator(new Clickable(() => |
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})); |
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UpdatePreviewExpandedState(node.previewExpanded); |
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m_PreviewTextureView.Add(collapsePreviewButton); |
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m_PreviewImage.Add(collapsePreviewButton); |
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} |
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m_PreviewContainer.Add(m_PreviewImage); |
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// Hook up preview image to preview manager
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m_PreviewRenderData = previewManager.GetPreview(inNode); |
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m_PreviewRenderData.onPreviewChanged += UpdatePreviewTexture; |
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UpdatePreviewTexture(); |
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// Add fake preview which pads out the node to provide space for the floating preview
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m_PreviewFiller = new VisualElement { name = "previewFiller" }; |
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m_PreviewFiller.AddToClassList("expanded"); |
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{ |
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var previewDivider = new VisualElement { name = "divider" }; |
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previewDivider.AddToClassList("horizontal"); |
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m_PreviewFiller.Add(previewDivider); |
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var expandPreviewButton = new VisualElement { name = "expand" }; |
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expandPreviewButton.Add(new VisualElement { name = "icon" }); |
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UpdatePreviewExpandedState(true); |
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})); |
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m_PreviewContainer.Add(expandPreviewButton); |
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m_PreviewFiller.Add(expandPreviewButton); |
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contents.Add(m_PreviewFiller); |
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extensionContainer.Add(m_PreviewContainer); |
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UpdatePreviewExpandedState(node.previewExpanded); |
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m_ControlViews = new List<VisualElement>(); |
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foreach (var propertyInfo in node.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)) |
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foreach (IControlAttribute attribute in propertyInfo.GetCustomAttributes(typeof(IControlAttribute), false)) |
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m_ControlViews.Add(attribute.InstantiateControl(node, propertyInfo)); |
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m_Attachers = new List<Attacher>(node.GetInputSlots<MaterialSlot>().Count()); |
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// Add port input container, which acts as a pixel cache for all port inputs
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m_PortInputContainer = new VisualElement |
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{ |
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name = "portInputContainer", |
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clippingOptions = ClippingOptions.ClipAndCacheContents, |
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pickingMode = PickingMode.Ignore |
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}; |
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Add(m_PortInputContainer); |
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UpdateSlotAttachers(); |
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UpdatePortInputs(); |
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UpdateControls(); |
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if (node is PreviewNode) |
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{ |
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UpdateSize(); |
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} |
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m_PortInputContainer.SendToBack(); |
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if (node.hasPreview) |
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m_PreviewFiller.BringToFront(); |
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} |
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public AbstractMaterialNode node { get; private set; } |
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node.drawState = ds; |
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} |
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UpdateControls(); |
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UpdatePortInputVisibilities(); |
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UpdatePortInputVisibilities(); |
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if (node.hasPreview) |
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m_PreviewFiller.BringToFront(); |
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} |
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} |
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void UpdatePreviewExpandedState(bool expanded) |
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{ |
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node.previewExpanded = expanded; |
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if (m_PreviewContainer == null) |
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if (m_PreviewFiller == null) |
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if (m_PreviewTextureView.parent != m_PreviewContainer) |
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if (m_PreviewContainer.parent != this) |
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m_PreviewContainer.Add(m_PreviewTextureView); |
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Add(m_PreviewContainer); |
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m_PreviewContainer.AddToClassList("expanded"); |
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m_PreviewContainer.RemoveFromClassList("collapsed"); |
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m_PreviewFiller.AddToClassList("expanded"); |
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m_PreviewFiller.RemoveFromClassList("collapsed"); |
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if (m_PreviewTextureView.parent == m_PreviewContainer) |
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if (m_PreviewContainer.parent == m_PreviewFiller) |
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m_PreviewTextureView.RemoveFromHierarchy(); |
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m_PreviewContainer.RemoveFromHierarchy(); |
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m_PreviewContainer.RemoveFromClassList("expanded"); |
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m_PreviewContainer.AddToClassList("collapsed"); |
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m_PreviewFiller.RemoveFromClassList("expanded"); |
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m_PreviewFiller.AddToClassList("collapsed"); |
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} |
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} |
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// Slot doesn't exist anymore, remove it
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inputContainer.Remove(port); |
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// We also need to remove the attacher along with the element it's attaching
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var attacher = m_Attachers.FirstOrDefault(a => a.target == port); |
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if (attacher != null) |
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{ |
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attacher.Detach(); |
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attacher.element.parent.Remove(attacher.element); |
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m_Attachers.Remove(attacher); |
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} |
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// We also need to remove the inline input
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var portInputView = m_PortInputContainer.OfType<PortInputView>().FirstOrDefault(v => Equals(v.slot, port.slot)); |
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if (portInputView != null) |
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portInputView.RemoveFromHierarchy(); |
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} |
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else |
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{ |
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outputContainer.Sort((x, y) => slots.IndexOf(((ShaderPort)x).slot) - slots.IndexOf(((ShaderPort)y).slot)); |
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} |
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UpdateControls(); |
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UpdateSlotAttachers(); |
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UpdatePortInputs(); |
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foreach (var control in m_ControlViews) |
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foreach (var control in m_ControlItems) |
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{ |
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var listener = control as INodeModificationListener; |
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if (listener != null) |
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} |
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} |
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void UpdateSlotAttachers() |
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void UpdatePortInputs() |
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if (!m_Attachers.Any(a => a.target == port)) |
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if (!m_PortInputContainer.OfType<PortInputView>().Any(a => Equals(a.slot, port.slot))) |
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var portInputView = new PortInputView(port.slot); |
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Add(portInputView); |
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mainContainer.BringToFront(); |
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m_Attachers.Add(new Attacher(portInputView, port, SpriteAlignment.LeftCenter) { distance = -8f }); |
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var portInputView = new PortInputView(port.slot) { style = { positionType = PositionType.Absolute } }; |
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m_PortInputContainer.Add(portInputView); |
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port.RegisterCallback<PostLayoutEvent>(evt => UpdatePortInput((ShaderPort)evt.target)); |
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void UpdatePortInput(ShaderPort port) |
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{ |
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var inputView = m_PortInputContainer.OfType<PortInputView>().First(x => Equals(x.slot, port.slot)); |
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var currentRect = new Rect(inputView.style.positionLeft, inputView.style.positionTop, inputView.style.width, inputView.style.height); |
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var targetRect = new Rect(0.0f, 0.0f, port.layout.width, port.layout.height); |
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targetRect = port.ChangeCoordinatesTo(inputView.shadow.parent, targetRect); |
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var centerY = targetRect.center.y; |
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var centerX = targetRect.xMax - currentRect.width; |
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currentRect.center = new Vector2(centerX, centerY); |
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inputView.style.positionTop = currentRect.yMin; |
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var newHeight = inputView.parent.layout.height; |
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foreach (var element in inputView.parent.Children()) |
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newHeight = Mathf.Max(newHeight, element.style.positionTop + element.layout.height); |
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if (Math.Abs(inputView.parent.style.height - newHeight) > 1e-3) |
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inputView.parent.style.height = newHeight; |
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} |
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foreach (var attacher in m_Attachers) |
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foreach (var portInputView in m_PortInputContainer.OfType<PortInputView>()) |
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var slot = ((ShaderPort)attacher.target).slot; |
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attacher.element.visible = expanded && !node.owner.GetEdges(node.GetSlotReference(slot.id)).Any(); |
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var slot = portInputView.slot; |
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var oldVisibility = portInputView.visible; |
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portInputView.visible = expanded && !node.owner.GetEdges(node.GetSlotReference(slot.id)).Any(); |
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if (portInputView.visible != oldVisibility) |
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m_PortInputContainer.Dirty(ChangeType.Repaint); |
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} |
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} |
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anchor.visualClass = slot.concreteValueType.ToClassName(); |
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} |
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foreach (var attacher in m_Attachers) |
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{ |
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var portInputView = (PortInputView)attacher.element; |
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foreach (var portInputView in m_PortInputContainer.OfType<PortInputView>()) |
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} |
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var updatedHeight = m_PreviewTextureView.layout.height + deltaSize.y; |
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var updatedHeight = m_PreviewImage.layout.height + deltaSize.y; |
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var previewNode = node as PreviewNode; |
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if (previewNode != null) |
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{ |
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if (m_PreviewRenderData.texture == null || !node.previewExpanded) |
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{ |
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m_PreviewTextureView.visible = false; |
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m_PreviewTextureView.image = Texture2D.blackTexture; |
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m_PreviewImage.visible = false; |
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m_PreviewImage.image = Texture2D.blackTexture; |
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m_PreviewTextureView.visible = true; |
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m_PreviewTextureView.AddToClassList("visible"); |
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m_PreviewTextureView.RemoveFromClassList("hidden"); |
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if (m_PreviewTextureView.image != m_PreviewRenderData.texture) |
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m_PreviewTextureView.image = m_PreviewRenderData.texture; |
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m_PreviewImage.visible = true; |
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m_PreviewImage.AddToClassList("visible"); |
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m_PreviewImage.RemoveFromClassList("hidden"); |
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if (m_PreviewImage.image != m_PreviewRenderData.texture) |
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m_PreviewImage.image = m_PreviewRenderData.texture; |
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m_PreviewTextureView.Dirty(ChangeType.Repaint); |
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m_PreviewImage.Dirty(ChangeType.Repaint); |
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void UpdateControls() |
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{ |
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if (!expanded) |
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{ |
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m_ControlsContainer.Clear(); |
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m_ControlsDivider.RemoveFromHierarchy(); |
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} |
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else if (m_ControlsContainer.childCount != m_ControlViews.Count) |
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{ |
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m_ControlsContainer.Clear(); |
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foreach (var view in m_ControlViews) |
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m_ControlsContainer.Add(view); |
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extensionContainer.Add(m_ControlsDivider); |
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if (m_PreviewContainer != null) |
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m_ControlsDivider.PlaceBehind(m_PreviewContainer); |
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} |
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if (m_ControlsContainer.childCount == 0) |
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m_ControlsContainer.RemoveFromClassList("notEmpty"); |
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else |
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m_ControlsContainer.AddToClassList("notEmpty"); |
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} |
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void UpdateSize() |
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{ |
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var previewNode = node as PreviewNode; |
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var width = previewNode.width; |
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var height = previewNode.height; |
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m_PreviewTextureView.style.height = height; |
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m_PreviewTextureView.style.width = width; |
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m_PreviewImage.style.height = height; |
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m_PreviewImage.style.width = width; |
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foreach (var attacher in m_Attachers) |
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{ |
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((PortInputView)attacher.element).Dispose(); |
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attacher.Detach(); |
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attacher.element.parent.Remove(attacher.element); |
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} |
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m_Attachers.Clear(); |
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foreach (var portInputView in m_PortInputContainer.OfType<PortInputView>()) |
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portInputView.Dispose(); |
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node = null; |
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if (m_PreviewRenderData != null) |
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Matt Dean
6 年前