224 lines
7.8 KiB
C#
224 lines
7.8 KiB
C#
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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 UnityEditor.IMGUI.Controls;
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using UnityEngine;
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using UnityEngine.Playables;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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class TimelineDataSource : TreeViewDataSource
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{
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readonly TimelineWindow m_TimelineWindow;
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readonly TimelineTreeViewGUI m_ParentGUI;
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public List<TimelineTrackBaseGUI> allTrackGuis { get; private set; }
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TreeViewItem treeroot
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{
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get { return m_RootItem; }
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}
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public TimelineDataSource(TimelineTreeViewGUI parentGUI, TreeViewController treeView, TimelineWindow sequencerWindow)
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: base(treeView)
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{
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m_TreeView.useExpansionAnimation = false;
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m_TimelineWindow = sequencerWindow;
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m_ParentGUI = parentGUI;
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FetchData();
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}
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public override bool IsExpanded(TreeViewItem item)
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{
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if (!IsExpandable(item))
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return true;
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return IsExpanded(item.id);
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}
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public override bool IsExpandable(TreeViewItem item)
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{
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var expandable = false;
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var track = item as TimelineTrackBaseGUI;
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if (track != null)
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expandable = track.expandable;
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return expandable && item.hasChildren;
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}
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public sealed override void FetchData()
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{
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// create root item
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m_RootItem = new TimelineGroupGUI(m_TreeView, m_ParentGUI, 1, 0, null, "root", null, true);
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var tree = new Dictionary<TrackAsset, TimelineTrackBaseGUI>();
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var filteredView = m_TimelineWindow.state.editSequence.asset.trackObjects;
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allTrackGuis = new List<TimelineTrackBaseGUI>(filteredView.Count());
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foreach (var t in filteredView)
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{
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CreateItem(t, ref tree, filteredView.OfType<TrackAsset>(), m_RootItem);
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}
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m_NeedRefreshRows = true;
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SetExpanded(m_RootItem, true);
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}
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TimelineTrackBaseGUI CreateItem(ScriptableObject scriptableObject, ref Dictionary<TrackAsset, TimelineTrackBaseGUI> tree, IEnumerable<TrackAsset> selectedRows, TreeViewItem parentTreeViewItem)
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{
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// if a script doesn't load correctly, the trackAsset will be NULL, but the scriptableObject __should_ be intact (but == null will be true)
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var trackAsset = scriptableObject as TrackAsset;
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if (tree == null)
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throw new ArgumentNullException("tree");
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if (selectedRows == null)
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throw new ArgumentNullException("selectedRows");
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if (trackAsset != null && tree.ContainsKey(trackAsset))
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return tree[trackAsset];
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TimelineTrackBaseGUI parentItem = parentTreeViewItem as TimelineTrackBaseGUI;
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// should we create the parent?
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TrackAsset parentTrack = trackAsset != null ? (trackAsset.parent as TrackAsset) : null;
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if (trackAsset != null && parentTrack != null && selectedRows.Contains(parentTrack))
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{
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parentItem = CreateItem(parentTrack, ref tree, selectedRows, parentTreeViewItem);
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}
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int theDepth = -1;
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if (parentItem != null)
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theDepth = parentItem.depth;
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theDepth++;
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TimelineTrackBaseGUI newItem;
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if (trackAsset == null)
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{
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PlayableAsset parent = m_TimelineWindow.state.editSequence.asset;
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if (parentItem != null && parentItem.track != null)
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parent = parentItem.track;
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newItem = new TimelineTrackErrorGUI(m_TreeView, m_ParentGUI, 0, theDepth, parentItem, "ERROR", scriptableObject, parent);
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}
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else if (trackAsset.GetType() != typeof(GroupTrack))
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{
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newItem = new TimelineTrackGUI(m_TreeView, m_ParentGUI, trackAsset.GetInstanceID(), theDepth, parentItem, trackAsset.name, trackAsset);
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}
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else
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{
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newItem = new TimelineGroupGUI(m_TreeView, m_ParentGUI, trackAsset.GetInstanceID(), theDepth, parentItem, trackAsset.name, trackAsset, false);
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}
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allTrackGuis.Add(newItem);
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if (parentItem != null)
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{
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if (parentItem.children == null)
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parentItem.children = new List<TreeViewItem>();
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parentItem.children.Add(newItem);
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SetExpanded(newItem, trackAsset.IsCollapsed());
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}
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else
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{
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m_RootItem = newItem;
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SetExpanded(m_RootItem, true);
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}
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if (trackAsset != null)
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tree[trackAsset] = newItem;
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var actorAsAnimTrack = newItem.track as AnimationTrack;
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bool isEditableInfiniteClip = actorAsAnimTrack != null && actorAsAnimTrack.ShouldShowInfiniteClipEditor();
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if (isEditableInfiniteClip)
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{
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if (newItem.children == null)
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newItem.children = new List<TreeViewItem>();
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}
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else if (trackAsset != null)
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{
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// check if clips on this track have animation, if so we inline a animationEditorTrack
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bool clipHasAnimatableAnimationCurves = false;
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for (var i = 0; i != newItem.track.clips.Length; ++i)
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{
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var curveClip = newItem.track.clips[i].curves;
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var animationClip = newItem.track.clips[i].animationClip;
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// prune out clip with zero curves
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if (curveClip != null && curveClip.empty)
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curveClip = null;
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if (animationClip != null && animationClip.empty)
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animationClip = null;
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// prune out clips coming from FBX
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if (animationClip != null && ((animationClip.hideFlags & HideFlags.NotEditable) != 0))
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animationClip = null;
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if (!newItem.track.clips[i].recordable)
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animationClip = null;
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clipHasAnimatableAnimationCurves = (curveClip != null) || (animationClip != null);
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if (clipHasAnimatableAnimationCurves)
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break;
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}
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if (clipHasAnimatableAnimationCurves)
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{
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if (newItem.children == null)
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newItem.children = new List<TreeViewItem>();
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}
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}
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if (trackAsset != null)
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{
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// Here we are using the internal subTrackObject so we can properly handle tracks whose script
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// can't load (via ScriptableObject)
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foreach (var subTrack in trackAsset.subTracksObjects)
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{
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CreateItem(subTrack, ref tree, selectedRows, newItem);
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}
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}
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return newItem;
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}
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public override bool CanBeParent(TreeViewItem item)
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{
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// will prevent track becoming subtracks via dragging
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TimelineTrackGUI track = item as TimelineTrackGUI;
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if (track != null)
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return false;
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return true;
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}
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public void ExpandItems(TreeViewItem item)
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{
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if (treeroot == item)
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{
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SetExpanded(treeroot, true);
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}
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TimelineGroupGUI gui = item as TimelineGroupGUI;
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if (gui != null && gui.track != null)
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{
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SetExpanded(item, !gui.track.IsCollapsed());
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}
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if (item.children != null)
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{
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for (int c = 0; c < item.children.Count; c++)
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{
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ExpandItems(item.children[c]);
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}
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}
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}
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}
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}
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