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using UnityEngine; |
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using UnityEngine.Experimental.UIElements; |
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using UnityEditor.Graphing; |
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using UnityEditor.ShaderGraph; |
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using UnityEngine.WSA; |
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namespace UnityEditor.ShaderGraph.Drawing |
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{ |
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PreviewData m_Preview; |
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PreviewView m_PreviewImage; |
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VisualElement m_PreviewToggle; |
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PreviewData m_PreviewData; |
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PreviewTextureView m_PreviewTextureView; |
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VisualElement m_PreviewContainer; |
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public MaterialNodeView(AbstractMaterialNode inNode, PreviewManager previewManager) |
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{ |
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}; |
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leftContainer.Add(m_ControlsContainer); |
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m_PreviewToggle = new VisualElement { name = "toggle", text = "" }; |
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m_PreviewToggle.AddManipulator(new Clickable(() => previewExpanded = !previewExpanded)); |
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m_PreviewToggle.RemoveFromClassList("inactive"); |
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else |
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m_PreviewToggle.AddToClassList("inactive"); |
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previewExpanded = node.previewExpanded; |
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leftContainer.Add(m_PreviewToggle); |
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{ |
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m_PreviewContainer = new VisualElement { name = "previewContainer" }; |
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m_PreviewContainer.AddToClassList("expanded"); |
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{ |
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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_PreviewData = previewManager.GetPreview(inNode); |
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m_PreviewData.onPreviewChanged += UpdatePreviewTexture; |
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UpdatePreviewTexture(); |
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m_PreviewContainer.Add(m_PreviewTextureView); |
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var collapsePreviewButton = new VisualElement { name = "collapse", text = "▲" }; |
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collapsePreviewButton.AddManipulator(new Clickable(() => |
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{ |
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node.owner.owner.RegisterCompleteObjectUndo("Collapse Preview"); |
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UpdatePreviewExpandedState(false); |
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})); |
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UpdatePreviewExpandedState(node.previewExpanded); |
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m_PreviewContainer.Add(collapsePreviewButton); |
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m_PreviewImage = new PreviewView |
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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_Preview = previewManager.GetPreview(inNode); |
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m_Preview.onPreviewChanged += UpdatePreviewTexture; |
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UpdatePreviewTexture(); |
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leftContainer.Add(m_PreviewImage); |
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var expandPreviewButton = new VisualElement { name = "expand", text = "▼" }; |
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expandPreviewButton.AddManipulator(new Clickable(() => |
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{ |
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node.owner.owner.RegisterCompleteObjectUndo("Expand Preview"); |
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UpdatePreviewExpandedState(true); |
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})); |
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m_PreviewContainer.Add(expandPreviewButton); |
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} |
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leftContainer.Add(m_PreviewContainer); |
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} |
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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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} |
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} |
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bool previewExpanded |
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void UpdatePreviewExpandedState(bool expanded) |
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get { return node.previewExpanded; } |
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set |
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node.previewExpanded = expanded; |
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if (expanded) |
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{ |
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m_PreviewContainer.AddToClassList("expanded"); |
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m_PreviewContainer.RemoveFromClassList("collapsed"); |
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} |
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else |
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node.previewExpanded = value; |
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m_PreviewToggle.text = node.previewExpanded ? "▲" : "▼"; |
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m_PreviewContainer.RemoveFromClassList("expanded"); |
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m_PreviewContainer.AddToClassList("collapsed"); |
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} |
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} |
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public void OnModified(ModificationScope scope) |
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{ |
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UpdateTitle(); |
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if (node.hasPreview) |
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UpdatePreviewExpandedState(node.previewExpanded); |
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expanded = node.drawState.expanded; |
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// Update slots to match node modification
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void OnResize(Vector2 deltaSize) |
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{ |
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var updatedWidth = leftContainer.layout.width + deltaSize.x; |
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var updatedHeight = m_PreviewImage.layout.height + deltaSize.y; |
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var updatedHeight = m_PreviewTextureView.layout.height + deltaSize.y; |
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var previewNode = node as PreviewNode; |
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if (previewNode != null) |
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void UpdatePreviewTexture() |
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{ |
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if (m_Preview.texture == null || !node.previewExpanded) |
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if (m_PreviewData.texture == null || !node.previewExpanded) |
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m_PreviewImage.visible = false; |
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m_PreviewImage.RemoveFromClassList("visible"); |
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m_PreviewImage.AddToClassList("hidden"); |
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m_PreviewImage.image = Texture2D.whiteTexture; |
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m_PreviewTextureView.visible = false; |
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m_PreviewTextureView.image = Texture2D.blackTexture; |
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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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m_PreviewImage.image = m_Preview.texture; |
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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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m_PreviewTextureView.image = m_PreviewData.texture; |
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} |
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Dirty(ChangeType.Repaint); |
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} |
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var height = previewNode.height; |
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leftContainer.style.width = width; |
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m_PreviewImage.style.height = height; |
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m_PreviewTextureView.style.height = height; |
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if (m_Preview != null) |
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if (m_PreviewData != null) |
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m_Preview.onPreviewChanged -= UpdatePreviewTexture; |
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m_Preview = null; |
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m_PreviewData.onPreviewChanged -= UpdatePreviewTexture; |
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m_PreviewData = null; |
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} |
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} |
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} |
Matt Dean
7 年前