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Removed the old Drag and Drop methods

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Peter Bay Bastian 7 年前
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8c691503
共有 3 个文件被更改，包括 0 次插入 和 182 次删除
  1. 1
      ShaderGraph/com.unity.shadergraph/Editor/Drawing/Views/GraphEditorView.cs
  2. 3
      ShaderGraph/com.unity.shadergraph/Editor/Drawing/Manipulators/GraphDropTarget.cs.meta
  3. 178
      ShaderGraph/com.unity.shadergraph/Editor/Drawing/Manipulators/GraphDropTarget.cs

1
ShaderGraph/com.unity.shadergraph/Editor/Drawing/Views/GraphEditorView.cs
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m_GraphView.AddManipulator(new SelectionDragger());
m_GraphView.AddManipulator(new RectangleSelector());
m_GraphView.AddManipulator(new ClickSelector());
m_GraphView.AddManipulator(new GraphDropTarget(graph));
m_GraphView.RegisterCallback<KeyDownEvent>(OnSpaceDown);
content.Add(m_GraphView);

3
ShaderGraph/com.unity.shadergraph/Editor/Drawing/Manipulators/GraphDropTarget.cs.meta
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fileFormatVersion: 2
guid: 9fd73fb7c6eb4a04978545358d5b55d5
timeCreated: 1509089285

178
ShaderGraph/com.unity.shadergraph/Editor/Drawing/Manipulators/GraphDropTarget.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using UnityEditor.Experimental.UIElements.GraphView;
using UnityEngine;
using UnityEngine.Experimental.UIElements;
using Object = UnityEngine.Object;
namespace UnityEditor.ShaderGraph.Drawing
{
public class GraphDropTarget : Manipulator
{
AbstractMaterialGraph m_Graph;
MaterialGraphView m_GraphView;
List<ISelectable> m_Selection;
public GraphDropTarget(AbstractMaterialGraph graph)
{
m_Graph = graph;
}
protected override void RegisterCallbacksOnTarget()
{
m_GraphView = target as MaterialGraphView;
target.RegisterCallback<IMGUIEvent>(OnIMGUIEvent);
}
protected override void UnregisterCallbacksFromTarget()
{
target.UnregisterCallback<IMGUIEvent>(OnIMGUIEvent);
}
bool ValidateObject(Object obj)
{
return EditorUtility.IsPersistent(obj)
&& (obj is Texture2D || obj is Cubemap || obj is MaterialSubGraphAsset);
}
void CreateNode(object obj, Vector2 nodePosition)
{
var texture2D = obj as Texture2D;
if (texture2D != null)
{
m_Graph.owner.RegisterCompleteObjectUndo("Drag Texture");
bool isNormalMap = false;
if (EditorUtility.IsPersistent(texture2D)
&& !string.IsNullOrEmpty(AssetDatabase.GetAssetPath(texture2D)))
{
var importer = AssetImporter.GetAtPath(AssetDatabase.GetAssetPath(texture2D)) as TextureImporter;
if (importer != null)
isNormalMap = importer.textureType == TextureImporterType.NormalMap;
}
var node = new SampleTexture2DNode();
if (isNormalMap)
node.textureType = TextureType.Normal;
var drawState = node.drawState;
drawState.position = new Rect(nodePosition, drawState.position.size);
node.drawState = drawState;
m_Graph.AddNode(node);
var inputslot = node.FindSlot<Texture2DInputMaterialSlot>(SampleTexture2DNode.TextureInputId);
if (inputslot != null)
inputslot.texture = texture2D;
}
var cubemap = obj as Cubemap;
if (cubemap != null)
{
m_Graph.owner.RegisterCompleteObjectUndo("Drag Cubemap");
var property = new CubemapShaderProperty { displayName = cubemap.name, value = { cubemap = cubemap } };
m_Graph.AddShaderProperty(property);
var node = new SampleCubemapNode();
var drawState = node.drawState;
drawState.position = new Rect(nodePosition, drawState.position.size);
node.drawState = drawState;
m_Graph.AddNode(node);
var inputslot = node.FindSlot<CubemapInputMaterialSlot>(SampleCubemapNode.CubemapInputId);
if (inputslot != null)
inputslot.cubemap = cubemap;
}
var subGraphAsset = obj as MaterialSubGraphAsset;
if (subGraphAsset != null)
{
m_Graph.owner.RegisterCompleteObjectUndo("Drag Sub-Graph");
var node = new SubGraphNode();
var drawState = node.drawState;
drawState.position = new Rect(nodePosition, drawState.position.size);
node.drawState = drawState;
node.subGraphAsset = subGraphAsset;
m_Graph.AddNode(node);
}
var blackboardField = obj as BlackboardField;
if (blackboardField != null)
{
var property = blackboardField.userData as IShaderProperty;
if (property != null)
{
m_Graph.owner.RegisterCompleteObjectUndo("Drag Shader Property");
var node = new PropertyNode();
var drawState = node.drawState;
drawState.position = new Rect(nodePosition, drawState.position.size);
node.drawState = drawState;
m_Graph.AddNode(node);
node.propertyGuid = property.guid;
}
}
}
void OnIMGUIEvent(IMGUIEvent evt)
{
if (evt.imguiEvent.type == EventType.DragUpdated || evt.imguiEvent.type == EventType.DragPerform)
{
try
{
var currentTarget = evt.currentTarget as VisualElement;
if (currentTarget == null)
return;
var pickElement = currentTarget.panel.Pick(target.LocalToWorld(evt.imguiEvent.mousePosition));
if (m_Selection == null)
m_Selection = DragAndDrop.GetGenericData("DragSelection") as List<ISelectable>;
if (!(pickElement is MaterialGraphView))
return;
var objects = DragAndDrop.objectReferences;
if (m_Selection != null)
{
// Handle drop of UIElements
if (m_Selection.OfType<BlackboardField>().Count() != 1)
{
m_Selection = null;
return;
}
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
if (evt.imguiEvent.type == EventType.DragPerform)
{
var nodePosition = m_GraphView.contentViewContainer.transform.matrix.inverse.MultiplyPoint3x4(m_GraphView.panel.visualTree.ChangeCoordinatesTo(m_GraphView, Event.current.mousePosition));
CreateNode(m_Selection.First(), nodePosition);
DragAndDrop.AcceptDrag();
}
}
else
{
// Handle drop of Unity objects
Object draggedObject = null;
foreach (var obj in objects)
{
if (ValidateObject(obj))
{
draggedObject = obj;
break;
}
}
if (draggedObject != null)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
if (evt.imguiEvent.type == EventType.DragPerform)
{
var nodePosition = m_GraphView.contentViewContainer.transform.matrix.inverse.MultiplyPoint3x4(m_GraphView.panel.visualTree.ChangeCoordinatesTo(m_GraphView, Event.current.mousePosition));
CreateNode(draggedObject, nodePosition);
DragAndDrop.AcceptDrag();
}
}
}
}
finally
{
if (evt.imguiEvent.type == EventType.DragPerform || evt.imguiEvent.type == EventType.DragExited)
m_Selection = null;
}
}
}
}
}
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