mathe/Library/PackageCache/com.unity.timeline@1.7.5/Editor/treeview/TrackGui/TimelineTrackGUI.cs

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C#
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2024-09-20 20:30:10 +02:00
using System;
using System.Collections.Generic;
using System.Linq;
using UnityEditor.IMGUI.Controls;
using UnityEngine;
using UnityEngine.Timeline;
using UnityEngine.Playables;
using Object = UnityEngine.Object;
namespace UnityEditor.Timeline
{
class TimelineTrackGUI : TimelineGroupGUI, IClipCurveEditorOwner, IRowGUI
{
struct TrackDrawData
{
public bool m_AllowsRecording;
public bool m_ShowTrackBindings;
public bool m_HasBinding;
public bool m_IsSubTrack;
public PlayableBinding m_Binding;
public Object m_TrackBinding;
public Texture m_TrackIcon;
public bool m_HasMarkers;
}
static class Styles
{
public static readonly GUIContent trackCurvesBtnOnTooltip = DirectorStyles.TrTextContent(string.Empty, "Hide curves view");
public static readonly GUIContent trackCurvesBtnOffTooltip = DirectorStyles.TrTextContent(string.Empty, "Show curves view");
public static readonly GUIContent trackMarkerBtnOnTooltip = DirectorStyles.TrTextContent(string.Empty, "Collapse Track Markers");
public static readonly GUIContent trackMarkerBtnOffTooltip = DirectorStyles.TrTextContent(string.Empty, "Expand Track Markers");
public static readonly GUIContent kActiveRecordButtonTooltip = DirectorStyles.TrTextContent(string.Empty, "End recording");
public static readonly GUIContent kInactiveRecordButtonTooltip = DirectorStyles.TrTextContent(string.Empty, "Start recording");
public static readonly GUIContent kIgnorePreviewRecordButtonTooltip = DirectorStyles.TrTextContent(string.Empty, "Recording is disabled: scene preview is ignored for this TimelineAsset");
public static readonly GUIContent kDisabledRecordButtonTooltip = DirectorStyles.TrTextContent(string.Empty,
"Recording is not permitted when Track Offsets are set to Auto. Track Offset settings can be changed in the track menu of the base track.");
public static Texture2D kProblemIcon = DirectorStyles.GetBackgroundImage(DirectorStyles.Instance.warning);
}
static GUIContent s_ArmForRecordContentOn;
static GUIContent s_ArmForRecordContentOff;
static GUIContent s_ArmForRecordDisabled;
readonly InfiniteTrackDrawer m_InfiniteTrackDrawer;
readonly TrackEditor m_TrackEditor;
readonly GUIContent m_DefaultTrackIcon;
readonly TrackResizeHandle m_ResizeHandle;
TrackItemsDrawer m_ItemsDrawer;
TrackDrawData m_TrackDrawData;
TrackDrawOptions m_TrackDrawOptions;
bool m_InlineCurvesSkipped;
int m_TrackHash = -1;
int m_BlendHash = -1;
int m_LastDirtyIndex = -1;
bool? m_TrackHasAnimatableParameters;
int m_HeightExtension;
public override bool expandable
{
get { return hasChildren; }
}
internal InlineCurveEditor inlineCurveEditor { get; set; }
public ClipCurveEditor clipCurveEditor { get; private set; }
public bool inlineCurvesSelected => SelectionManager.IsCurveEditorFocused(this);
bool IClipCurveEditorOwner.showLoops
{
get { return false; }
}
TrackAsset IClipCurveEditorOwner.owner
{
get { return track; }
}
static bool DoesTrackAllowsRecording(TrackAsset track)
{
// if the root animation track is in auto mode, recording is not allowed
var animTrack = TimelineUtility.GetSceneReferenceTrack(track) as AnimationTrack;
if (animTrack != null)
return animTrack.trackOffset != TrackOffset.Auto;
return false;
}
bool trackHasAnimatableParameters
{
get
{
// cache this value to avoid the recomputation
if (!m_TrackHasAnimatableParameters.HasValue)
m_TrackHasAnimatableParameters = track.HasAnyAnimatableParameters() ||
track.clips.Any(c => c.HasAnyAnimatableParameters());
return m_TrackHasAnimatableParameters.Value;
}
}
public bool locked
{
get { return track.lockedInHierarchy; }
}
public bool showMarkers
{
get { return track.GetShowMarkers(); }
}
public bool muted
{
get { return track.muted; }
}
public List<TimelineClipGUI> clips
{
get
{
return m_ItemsDrawer.clips == null ? new List<TimelineClipGUI>(0) : m_ItemsDrawer.clips;
}
}
TrackAsset IRowGUI.asset { get { return track; } }
bool showTrackRecordingDisabled
{
get
{
// if the root animation track is in auto mode, recording is not allowed
var animTrack = TimelineUtility.GetSceneReferenceTrack(track) as AnimationTrack;
return animTrack != null && animTrack.trackOffset == TrackOffset.Auto;
}
}
public int heightExtension
{
get => m_HeightExtension;
set => m_HeightExtension = Math.Max(0, value);
}
float minimumHeight => m_TrackDrawOptions.minimumHeight <= 0.0f ? TrackEditor.DefaultTrackHeight : m_TrackDrawOptions.minimumHeight;
public TimelineTrackGUI(TreeViewController tv, TimelineTreeViewGUI w, int id, int depth, TreeViewItem parent, string displayName, TrackAsset sequenceActor)
: base(tv, w, id, depth, parent, displayName, sequenceActor, false)
{
var animationTrack = sequenceActor as AnimationTrack;
if (animationTrack != null)
m_InfiniteTrackDrawer = new InfiniteTrackDrawer(new AnimationTrackKeyDataSource(animationTrack));
else if (sequenceActor.HasAnyAnimatableParameters() && !sequenceActor.clips.Any())
m_InfiniteTrackDrawer = new InfiniteTrackDrawer(new TrackPropertyCurvesDataSource(sequenceActor));
UpdateInfiniteClipEditor(w.TimelineWindow);
var bindings = track.outputs.ToArray();
m_TrackDrawData.m_HasBinding = bindings.Length > 0;
if (m_TrackDrawData.m_HasBinding)
m_TrackDrawData.m_Binding = bindings[0];
m_TrackDrawData.m_IsSubTrack = IsSubTrack();
m_TrackDrawData.m_AllowsRecording = DoesTrackAllowsRecording(sequenceActor);
m_TrackDrawData.m_HasMarkers = track.GetMarkerCount() > 0;
m_DefaultTrackIcon = TrackResourceCache.GetTrackIcon(track);
m_TrackEditor = CustomTimelineEditorCache.GetTrackEditor(sequenceActor);
m_TrackDrawOptions = m_TrackEditor.GetTrackOptions_Safe(track, null);
m_TrackDrawOptions.errorText = null; // explicitly setting to null for an uninitialized state
m_ResizeHandle = new TrackResizeHandle(this);
heightExtension = TimelineWindowViewPrefs.GetTrackHeightExtension(track);
RebuildGUICacheIfNecessary();
}
public override float GetVerticalSpacingBetweenTracks()
{
if (track != null && track.isSubTrack)
return 1.0f; // subtracks have less of a gap than tracks
return base.GetVerticalSpacingBetweenTracks();
}
void UpdateInfiniteClipEditor(TimelineWindow window)
{
if (clipCurveEditor != null || track == null || !ShouldShowInfiniteClipEditor())
return;
var dataSource = CurveDataSource.Create(this);
clipCurveEditor = new ClipCurveEditor(dataSource, window, track);
}
void DetectTrackChanged()
{
if (Event.current.type == EventType.Layout)
{
// incremented when a track or it's clips changed
if (m_LastDirtyIndex != track.DirtyIndex)
{
m_TrackEditor.OnTrackChanged_Safe(track);
m_LastDirtyIndex = track.DirtyIndex;
}
OnTrackChanged();
}
}
// Called when the source track data, including it's clips have changed has changed.
void OnTrackChanged()
{
// recompute blends if necessary
int newBlendHash = BlendHash();
if (m_BlendHash != newBlendHash)
{
UpdateClipOverlaps();
m_BlendHash = newBlendHash;
}
RebuildGUICacheIfNecessary();
}
void UpdateDrawData(WindowState state)
{
if (Event.current.type == EventType.Layout)
{
m_TrackDrawData.m_ShowTrackBindings = false;
m_TrackDrawData.m_TrackBinding = null;
if (state.editSequence.director != null && showSceneReference)
{
m_TrackDrawData.m_ShowTrackBindings = state.GetWindow().currentMode.ShouldShowTrackBindings(state);
m_TrackDrawData.m_TrackBinding = state.editSequence.director.GetGenericBinding(track);
}
var lastHeight = m_TrackDrawOptions.minimumHeight;
m_TrackDrawOptions = m_TrackEditor.GetTrackOptions_Safe(track, m_TrackDrawData.m_TrackBinding);
m_TrackDrawData.m_HasMarkers = track.GetMarkerCount() > 0;
m_TrackDrawData.m_AllowsRecording = DoesTrackAllowsRecording(track);
m_TrackDrawData.m_TrackIcon = m_TrackDrawOptions.icon;
if (m_TrackDrawData.m_TrackIcon == null)
m_TrackDrawData.m_TrackIcon = m_DefaultTrackIcon.image;
// track height has changed. need to update gui
if (!Mathf.Approximately(lastHeight, m_TrackDrawOptions.minimumHeight))
state.Refresh();
}
}
public override void Draw(Rect headerRect, Rect contentRect, WindowState state)
{
DetectTrackChanged();
UpdateDrawData(state);
UpdateInfiniteClipEditor(state.GetWindow());
var trackHeaderRect = headerRect;
var trackContentRect = contentRect;
float inlineCurveHeight = contentRect.height - GetTrackContentHeight(state);
bool hasInlineCurve = inlineCurveHeight > 0.0f;
if (hasInlineCurve)
{
trackHeaderRect.height -= inlineCurveHeight;
trackContentRect.height -= inlineCurveHeight;
}
if (Event.current.type == EventType.Repaint)
{
m_TreeViewRect = trackContentRect;
}
track.SetCollapsed(!isExpanded);
RebuildGUICacheIfNecessary();
// Prevents from drawing outside of bounds, but does not effect layout or markers
bool isOwnerDrawSucceed = false;
Vector2 visibleTime = state.timeAreaShownRange;
if (drawer != null)
isOwnerDrawSucceed = drawer.DrawTrack(trackContentRect, track, visibleTime, state);
if (!isOwnerDrawSucceed)
{
using (new GUIViewportScope(trackContentRect))
DrawBackground(trackContentRect, track, visibleTime, state);
if (m_InfiniteTrackDrawer != null)
m_InfiniteTrackDrawer.DrawTrack(trackContentRect, track, visibleTime, state);
// draw after user customization so overlay text shows up
using (new GUIViewportScope(trackContentRect))
m_ItemsDrawer.Draw(trackContentRect, state);
}
DrawTrackHeader(trackHeaderRect, state);
if (hasInlineCurve)
{
var curvesHeaderRect = headerRect;
curvesHeaderRect.yMin = trackHeaderRect.yMax;
var curvesContentRect = contentRect;
curvesContentRect.yMin = trackContentRect.yMax;
DrawInlineCurves(curvesHeaderRect, curvesContentRect, state);
}
DrawTrackColorKind(headerRect);
DrawTrackState(contentRect, contentRect, track);
}
void DrawInlineCurves(Rect curvesHeaderRect, Rect curvesContentRect, WindowState state)
{
if (!track.GetShowInlineCurves())
return;
// Inline curves are not within the editor window -- case 952571
if (!IsInlineCurvesEditorInBounds(ToWindowSpace(curvesHeaderRect), curvesContentRect.height, state))
{
m_InlineCurvesSkipped = true;
return;
}
// If inline curves were skipped during the last event; we want to avoid rendering them until
// the next Layout event. Otherwise, we still get the RTE prevented above when the user resizes
// the timeline window very fast. -- case 952571
if (m_InlineCurvesSkipped && Event.current.type != EventType.Layout)
return;
m_InlineCurvesSkipped = false;
if (inlineCurveEditor == null)
inlineCurveEditor = new InlineCurveEditor(this);
curvesHeaderRect.x += DirectorStyles.kBaseIndent;
curvesHeaderRect.width -= DirectorStyles.kBaseIndent;
inlineCurveEditor.Draw(curvesHeaderRect, curvesContentRect, state);
}
static bool IsInlineCurvesEditorInBounds(Rect windowSpaceTrackRect, float inlineCurveHeight, WindowState state)
{
var legalHeight = state.windowHeight;
var trackTop = windowSpaceTrackRect.y;
var inlineCurveOffset = windowSpaceTrackRect.height - inlineCurveHeight;
return legalHeight - trackTop - inlineCurveOffset > 0;
}
void DrawErrorIcon(Rect position, WindowState state)
{
Rect bindingLabel = position;
bindingLabel.x = position.xMax + 3;
bindingLabel.width = state.bindingAreaWidth;
EditorGUI.LabelField(position, m_ProblemIcon);
}
void DrawBackground(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
{
bool canDrawRecordBackground = IsRecording(state);
if (canDrawRecordBackground)
{
DrawRecordingTrackBackground(trackRect, trackAsset, visibleTime, state);
}
else
{
Color trackBackgroundColor;
if (SelectionManager.Contains(track))
{
trackBackgroundColor = state.IsEditingASubTimeline() ?
DirectorStyles.Instance.customSkin.colorTrackSubSequenceBackgroundSelected :
DirectorStyles.Instance.customSkin.colorTrackBackgroundSelected;
}
else
{
trackBackgroundColor = state.IsEditingASubTimeline() ?
DirectorStyles.Instance.customSkin.colorTrackSubSequenceBackground :
DirectorStyles.Instance.customSkin.colorTrackBackground;
}
EditorGUI.DrawRect(trackRect, trackBackgroundColor);
}
}
float InlineCurveHeight()
{
return track.GetShowInlineCurves() && CanDrawInlineCurve()
? TimelineWindowViewPrefs.GetInlineCurveHeight(track)
: 0.0f;
}
public override float GetHeight(WindowState state)
{
var height = GetTrackContentHeight(state);
if (CanDrawInlineCurve())
height += InlineCurveHeight();
return height;
}
float GetTrackContentHeight(WindowState state)
{
var defaultHeight = Mathf.Min(minimumHeight, TrackEditor.MaximumTrackHeight);
return (defaultHeight + heightExtension) * state.trackScale;
}
static bool CanDrawIcon(GUIContent icon)
{
return icon != null && icon != GUIContent.none && icon.image != null;
}
bool showSceneReference
{
get
{
return track != null &&
m_TrackDrawData.m_HasBinding &&
!m_TrackDrawData.m_IsSubTrack &&
m_TrackDrawData.m_Binding.sourceObject != null &&
m_TrackDrawData.m_Binding.outputTargetType != null &&
typeof(Object).IsAssignableFrom(m_TrackDrawData.m_Binding.outputTargetType);
}
}
void DrawTrackHeader(Rect trackHeaderRect, WindowState state)
{
using (new GUIViewportScope(trackHeaderRect))
{
var rect = trackHeaderRect;
DrawHeaderBackground(trackHeaderRect);
rect.x += m_Styles.trackSwatchStyle.fixedWidth;
const float buttonSize = WindowConstants.trackHeaderButtonSize;
const float padding = WindowConstants.trackHeaderButtonPadding;
var buttonRect = new Rect(trackHeaderRect.xMax - buttonSize - padding, rect.y + (rect.height - buttonSize) / 2f, buttonSize, buttonSize);
rect.x += DrawTrackIconKind(rect, state);
if (track is GroupTrack)
return;
buttonRect.x -= DrawTrackDropDownMenu(buttonRect);
var suiteRect = DrawGeneralSuite(state, buttonRect);
suiteRect = DrawCustomSuite(state, suiteRect);
var bindingRect = new Rect(rect.x, rect.y, suiteRect.xMax - rect.x, rect.height);
DrawTrackBinding(bindingRect, trackHeaderRect);
}
m_ResizeHandle.Draw(trackHeaderRect, state);
}
Rect DrawGeneralSuite(WindowState state, Rect rect)
{
const float buttonWidth = WindowConstants.trackHeaderButtonSize + WindowConstants.trackHeaderButtonPadding;
var padding = DrawButtonSuite(3, ref rect);
DrawMuteButton(rect, state);
rect.x -= buttonWidth;
DrawLockButton(rect, state);
rect.x -= buttonWidth;
DrawLockMarkersButton(rect, state);
rect.x -= buttonWidth;
rect.x -= padding;
return rect;
}
Rect DrawCustomSuite(WindowState state, Rect rect)
{
var numberOfButtons = 0;
if (m_TrackDrawData.m_AllowsRecording || showTrackRecordingDisabled)
numberOfButtons++;
if (CanDrawInlineCurve())
numberOfButtons++;
if (drawer.HasCustomTrackHeaderButton())
numberOfButtons++;
if (numberOfButtons == 0)
return rect;
var padding = DrawButtonSuite(numberOfButtons, ref rect);
rect.x -= DrawRecordButton(rect, state);
rect.x -= DrawInlineCurveButton(rect, state);
rect.x -= DrawCustomTrackButton(rect, state);
rect.x -= padding;
return rect;
}
void DrawHeaderBackground(Rect headerRect)
{
Color backgroundColor = SelectionManager.Contains(track)
? DirectorStyles.Instance.customSkin.colorSelection
: DirectorStyles.Instance.customSkin.colorTrackHeaderBackground;
var bgRect = headerRect;
bgRect.x += m_Styles.trackSwatchStyle.fixedWidth;
bgRect.width -= m_Styles.trackSwatchStyle.fixedWidth;
EditorGUI.DrawRect(bgRect, backgroundColor);
}
void DrawTrackColorKind(Rect rect)
{
// subtracks don't draw the color, the parent does that.
if (track != null && track.isSubTrack)
return;
if (rect.width <= 0) return;
using (new GUIColorOverride(m_TrackDrawOptions.trackColor))
{
rect.width = m_Styles.trackSwatchStyle.fixedWidth;
GUI.Label(rect, GUIContent.none, m_Styles.trackSwatchStyle);
}
}
float DrawTrackIconKind(Rect rect, WindowState state)
{
// no icons on subtracks
if (track != null && track.isSubTrack)
return 0.0f;
rect.yMin += (rect.height - 16f) / 2f;
rect.width = 16.0f;
rect.height = 16.0f;
if (!string.IsNullOrEmpty(m_TrackDrawOptions.errorText))
{
m_ProblemIcon.image = Styles.kProblemIcon;
m_ProblemIcon.tooltip = m_TrackDrawOptions.errorText;
if (CanDrawIcon(m_ProblemIcon))
DrawErrorIcon(rect, state);
}
else
{
var content = GUIContent.Temp(m_TrackDrawData.m_TrackIcon, m_DefaultTrackIcon.tooltip);
if (CanDrawIcon(content))
GUI.Box(rect, content, GUIStyle.none);
}
return rect.width;
}
void DrawTrackBinding(Rect rect, Rect headerRect)
{
if (m_TrackDrawData.m_ShowTrackBindings)
{
DoTrackBindingGUI(rect);
return;
}
var textStyle = m_Styles.trackHeaderFont;
textStyle.normal.textColor = SelectionManager.Contains(track) ? Color.white : m_Styles.customSkin.colorTrackFont;
string trackName = track.name;
EditorGUI.BeginChangeCheck();
// by default the size is just the width of the string (for selection purposes)
rect.width = m_Styles.trackHeaderFont.CalcSize(new GUIContent(trackName)).x;
// if we are editing, supply the entire width of the header
if (GUIUtility.keyboardControl == track.GetInstanceID())
rect.width = (headerRect.xMax - rect.xMin) - (5 * WindowConstants.trackHeaderButtonSize);
trackName = EditorGUI.DelayedTextField(rect, GUIContent.none, track.GetInstanceID(), track.name, textStyle);
if (EditorGUI.EndChangeCheck())
{
UndoExtensions.RegisterTrack(track, L10n.Tr("Rename Track"));
track.name = trackName;
}
}
float DrawTrackDropDownMenu(Rect rect)
{
if (GUI.Button(rect, GUIContent.none, m_Styles.trackOptions))
{
// the drop down will apply to all selected tracks
if (!SelectionManager.Contains(track))
{
SelectionManager.Clear();
SelectionManager.Add(track);
}
SequencerContextMenu.ShowTrackContextMenu(null);
}
return WindowConstants.trackHeaderButtonSize;
}
bool CanDrawInlineCurve()
{
// Note: A track with animatable parameters always has inline curves.
return trackHasAnimatableParameters || TimelineUtility.TrackHasAnimationCurves(track);
}
float DrawInlineCurveButton(Rect rect, WindowState state)
{
if (!CanDrawInlineCurve())
{
//Force to close Inline Curve UI if the inline cannot be drawn.
if (track.GetShowInlineCurves())
track.SetShowInlineCurves(false);
return 0.0f;
}
// Override enable state to display "Show Inline Curves" button in disabled state.
bool prevEnabledState = GUI.enabled;
GUI.enabled = true;
var showInlineCurves = track.GetShowInlineCurves();
var tooltip = showInlineCurves ? Styles.trackCurvesBtnOnTooltip : Styles.trackCurvesBtnOffTooltip;
var newValue = GUI.Toggle(rect, track.GetShowInlineCurves(), tooltip, DirectorStyles.Instance.trackCurvesButton);
GUI.enabled = prevEnabledState;
if (newValue != track.GetShowInlineCurves())
{
track.SetShowInlineCurves(newValue);
state.GetWindow().treeView.CalculateRowRects();
}
return WindowConstants.trackHeaderButtonSize + WindowConstants.trackHeaderButtonPadding;
}
float DrawRecordButton(Rect rect, WindowState state)
{
var style = DirectorStyles.Instance.trackRecordButton;
const float buttonWidth = WindowConstants.trackHeaderButtonSize + WindowConstants.trackHeaderButtonPadding;
if (m_TrackDrawData.m_AllowsRecording)
{
bool isPlayerDisabled = state.editSequence.director != null && !state.editSequence.director.isActiveAndEnabled;
GameObject goBinding = m_TrackDrawData.m_TrackBinding as GameObject;
if (goBinding == null)
{
Component c = m_TrackDrawData.m_TrackBinding as Component;
if (c != null)
goBinding = c.gameObject;
}
if (goBinding == null && m_TrackDrawData.m_IsSubTrack)
goBinding = ParentTrack().GetGameObjectBinding(state.editSequence.director);
var isTrackBindingValid = goBinding != null;
var trackErrorDisableButton = !string.IsNullOrEmpty(m_TrackDrawOptions.errorText) && isTrackBindingValid && goBinding.activeInHierarchy;
var disableButton = track.lockedInHierarchy || isPlayerDisabled || trackErrorDisableButton || !isTrackBindingValid || state.ignorePreview;
using (new EditorGUI.DisabledScope(disableButton))
{
if (IsRecording(state))
{
state.editorWindow.Repaint();
var remainder = Time.realtimeSinceStartup % 1;
if (remainder < 0.22f)
style = GUIStyle.none;
if (GUI.Button(rect, Styles.kActiveRecordButtonTooltip, style) || isPlayerDisabled || !isTrackBindingValid)
state.UnarmForRecord(track);
}
else if (!track.timelineAsset.editorSettings.scenePreview)
GUI.Button(rect, Styles.kIgnorePreviewRecordButtonTooltip, style);
else
{
if (GUI.Button(rect, Styles.kInactiveRecordButtonTooltip, style))
state.ArmForRecord(track);
}
return buttonWidth;
}
}
if (showTrackRecordingDisabled)
{
using (new EditorGUI.DisabledScope(true))
GUI.Button(rect, Styles.kDisabledRecordButtonTooltip, style);
return buttonWidth;
}
return 0.0f;
}
float DrawCustomTrackButton(Rect rect, WindowState state)
{
if (!drawer.HasCustomTrackHeaderButton())
return 0.0f;
drawer.DrawTrackHeaderButton(rect, state);
return WindowConstants.trackHeaderButtonSize + WindowConstants.trackHeaderButtonPadding;
}
void DrawLockMarkersButton(Rect rect, WindowState state)
{
var hasMarkers = track.GetMarkerCount() != 0;
var markersShown = showMarkers && hasMarkers;
var style = TimelineWindow.styles.trackMarkerButton;
EditorGUI.BeginChangeCheck();
var tooltip = markersShown ? Styles.trackMarkerBtnOnTooltip : Styles.trackMarkerBtnOffTooltip;
var toggleMarkers = GUI.Toggle(rect, markersShown, tooltip, style);
if (EditorGUI.EndChangeCheck() && hasMarkers)
track.SetShowTrackMarkers(toggleMarkers);
}
static void ObjectBindingField(Rect position, Object obj, PlayableBinding binding, int controlId)
{
var allowScene =
typeof(GameObject).IsAssignableFrom(binding.outputTargetType) ||
typeof(Component).IsAssignableFrom(binding.outputTargetType);
var bindingFieldRect = EditorGUI.IndentedRect(position);
using (new GUIViewportScope(bindingFieldRect))
{
EditorGUI.BeginChangeCheck();
var newObject = UnityEditorInternals.DoObjectField(EditorGUI.IndentedRect(position), obj, binding.outputTargetType, controlId, allowScene, true);
if (EditorGUI.EndChangeCheck())
BindingUtility.BindWithInteractiveEditorValidation(TimelineEditor.inspectedDirector, binding.sourceObject as TrackAsset, newObject);
}
}
void DoTrackBindingGUI(Rect rect)
{
var bindingRect = new Rect(
rect.xMin,
rect.y + (rect.height - WindowConstants.trackHeaderBindingHeight) / 2f,
Mathf.Min(rect.width, WindowConstants.trackBindingMaxSize) - WindowConstants.trackBindingPadding,
WindowConstants.trackHeaderBindingHeight);
if (m_TrackDrawData.m_Binding.outputTargetType != null && typeof(Object).IsAssignableFrom(m_TrackDrawData.m_Binding.outputTargetType))
{
var controlId = GUIUtility.GetControlID("s_ObjectFieldHash".GetHashCode(), FocusType.Passive, rect);
var previousActiveControlId = DragAndDrop.activeControlID;
ObjectBindingField(bindingRect, m_TrackDrawData.m_TrackBinding, m_TrackDrawData.m_Binding, controlId);
if (previousActiveControlId != controlId && DragAndDrop.activeControlID == controlId)
TimelineDragging.OnTrackBindingDragUpdate(track);
}
}
bool IsRecording(WindowState state)
{
return state.recording && state.IsArmedForRecord(track);
}
// background to draw during recording
void DrawRecordingTrackBackground(Rect trackRect, TrackAsset trackAsset, Vector2 visibleTime, WindowState state)
{
if (drawer != null)
drawer.DrawRecordingBackground(trackRect, trackAsset, visibleTime, state);
}
void UpdateClipOverlaps()
{
TrackExtensions.ComputeBlendsFromOverlaps(track.clips);
}
internal void RebuildGUICacheIfNecessary()
{
if (m_TrackHash == track.Hash())
return;
m_ItemsDrawer = new TrackItemsDrawer(this);
m_TrackHash = track.Hash();
}
int BlendHash()
{
var hash = 0;
foreach (var clip in track.clips)
{
hash = HashUtility.CombineHash(hash,
(clip.duration - clip.start).GetHashCode(),
((int)clip.blendInCurveMode).GetHashCode(),
((int)clip.blendOutCurveMode).GetHashCode());
}
return hash;
}
// callback when the corresponding graph is rebuilt. This can happen, but not have the GUI rebuilt.
public override void OnGraphRebuilt()
{
RefreshCurveEditor();
}
void RefreshCurveEditor()
{
var window = TimelineWindow.instance;
if (track != null && window != null && window.state != null)
{
bool hasEditor = clipCurveEditor != null;
bool shouldHaveEditor = ShouldShowInfiniteClipEditor();
if (hasEditor != shouldHaveEditor)
window.state.AddEndFrameDelegate((x, currentEvent) =>
{
x.Refresh();
return true;
});
}
}
bool ShouldShowInfiniteClipEditor()
{
var animationTrack = track as AnimationTrack;
if (animationTrack != null)
return animationTrack.ShouldShowInfiniteClipEditor();
return trackHasAnimatableParameters;
}
public void SelectCurves()
{
SelectionManager.RemoveTimelineSelection();
SelectionManager.SelectInlineCurveEditor(this);
}
public void ValidateCurvesSelection() { }
}
}