Inital commit

1 files changed, 363 insertions, 0 deletions

diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Trackhead.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Trackhead.cs
new file mode 100644
index 0000000..8a562b6
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Trackhead.cs
@@ -0,0 +1,363 @@
+using System;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    static class Gaps
+    {
+        static readonly string kInsertTime = "Insert Time";
+
+        public static void Insert(TimelineAsset asset, double at, double amount, double tolerance)
+        {
+            // gather all clips
+            var clips = asset.flattenedTracks.SelectMany(x => x.clips).Where(x => (x.start - at) >= -tolerance).ToList();
+            var markers = asset.flattenedTracks.SelectMany(x => x.GetMarkers()).Where(x => (x.time - at) >= -tolerance).ToList();
+
+            if (!clips.Any() && !markers.Any())
+                return;
+
+            // push undo on the tracks for the clips that are being modified
+            foreach (var t in clips.Select(x => x.parentTrack).Distinct())
+            {
+                TimelineUndo.PushUndo(t, kInsertTime);
+            }
+
+            // push the clips
+            foreach (var clip in clips)
+            {
+                clip.start += amount;
+            }
+
+            // push undos and move the markers
+            foreach (var marker in markers)
+            {
+                var obj = marker as UnityEngine.Object;
+                if (obj != null)
+                    TimelineUndo.PushUndo(obj, kInsertTime);
+                marker.time += amount;
+            }
+
+            TimelineEditor.Refresh(RefreshReason.ContentsModified);
+        }
+    }
+
+    class PlayheadContextMenu : Manipulator
+    {
+        readonly TimeAreaItem m_TimeAreaItem;
+        static readonly int[] kFrameInsertionValues = {5, 10, 25, 100};
+
+        public PlayheadContextMenu(TimeAreaItem timeAreaItem)
+        {
+            m_TimeAreaItem = timeAreaItem;
+        }
+
+        protected override bool ContextClick(Event evt, WindowState state)
+        {
+            if (!m_TimeAreaItem.bounds.Contains(evt.mousePosition))
+                return false;
+
+            var tolerance = TimeUtility.GetEpsilon(state.editSequence.time, state.referenceSequence.frameRate);
+            var menu = new GenericMenu();
+
+            if (!TimelineWindow.instance.state.editSequence.isReadOnly)
+            {
+                menu.AddItem(EditorGUIUtility.TrTextContent("Insert/Frame/Single"), false, () =>
+                    Gaps.Insert(state.editSequence.asset, state.editSequence.time, 1.0 / state.referenceSequence.frameRate, tolerance)
+                );
+
+                for (var i = 0; i != kFrameInsertionValues.Length; ++i)
+                {
+                    double f = kFrameInsertionValues[i];
+                    menu.AddItem(EditorGUIUtility.TrTextContent("Insert/Frame/" + kFrameInsertionValues[i] + " Frames"), false, () =>
+                        Gaps.Insert(state.editSequence.asset, state.editSequence.time, f / state.referenceSequence.frameRate, tolerance)
+                    );
+                }
+
+                var playRangeTime = state.playRange;
+                if (playRangeTime.y > playRangeTime.x)
+                {
+                    menu.AddItem(EditorGUIUtility.TrTextContent("Insert/Selected Time"), false, () =>
+                        Gaps.Insert(state.editSequence.asset, playRangeTime.x, playRangeTime.y - playRangeTime.x, TimeUtility.GetEpsilon(playRangeTime.x, state.referenceSequence.frameRate))
+                    );
+                }
+            }
+
+            menu.AddItem(EditorGUIUtility.TrTextContent("Select/Clips Ending Before"), false, () => SelectMenuCallback(x => x.end < state.editSequence.time + tolerance, state));
+            menu.AddItem(EditorGUIUtility.TrTextContent("Select/Clips Starting Before"), false, () => SelectMenuCallback(x => x.start < state.editSequence.time + tolerance, state));
+            menu.AddItem(EditorGUIUtility.TrTextContent("Select/Clips Ending After"), false, () => SelectMenuCallback(x => x.end - state.editSequence.time >= -tolerance, state));
+            menu.AddItem(EditorGUIUtility.TrTextContent("Select/Clips Starting After"), false, () => SelectMenuCallback(x => x.start - state.editSequence.time >= -tolerance, state));
+            menu.AddItem(EditorGUIUtility.TrTextContent("Select/Clips Intersecting"), false, () => SelectMenuCallback(x => x.start <= state.editSequence.time && state.editSequence.time <= x.end, state));
+            menu.AddItem(EditorGUIUtility.TrTextContent("Select/Blends Intersecting"), false, () => SelectMenuCallback(x => SelectBlendingIntersecting(x, state.editSequence.time), state));
+            menu.ShowAsContext();
+
+            return true;
+        }
+
+        static bool SelectBlendingIntersecting(TimelineClip clip, double time)
+        {
+            return clip.start <= time && time <= clip.end && (
+                (time <= clip.start + clip.blendInDuration) ||
+                (time >= clip.end - clip.blendOutDuration)
+            );
+        }
+
+        static void SelectMenuCallback(Func<TimelineClip, bool> selector, WindowState state)
+        {
+            var allClips = state.GetWindow().treeView.allClipGuis;
+            if (allClips == null)
+                return;
+
+            SelectionManager.Clear();
+            for (var i = 0; i != allClips.Count; ++i)
+            {
+                var c = allClips[i];
+
+                if (c != null && c.clip != null && selector(c.clip))
+                {
+                    SelectionManager.Add(c.clip);
+                }
+            }
+        }
+    }
+
+    class TimeAreaContextMenu : Manipulator
+    {
+        protected override bool ContextClick(Event evt, WindowState state)
+        {
+            if (state.timeAreaRect.Contains(Event.current.mousePosition))
+            {
+                var menu = new GenericMenu();
+                AddTimeAreaMenuItems(menu, state);
+                menu.ShowAsContext();
+                return true;
+            }
+            return false;
+        }
+
+        internal static void AddTimeAreaMenuItems(GenericMenu menu, WindowState state)
+        {
+            foreach (var value in Enum.GetValues(typeof(TimelineAsset.DurationMode)))
+            {
+                var mode = (TimelineAsset.DurationMode)value;
+                var item = EditorGUIUtility.TextContent(string.Format(TimelineWindow.Styles.DurationModeText, L10n.Tr(ObjectNames.NicifyVariableName(mode.ToString()))));
+
+                if (state.recording || state.IsEditingASubTimeline() || state.editSequence.asset == null
+                    || state.editSequence.isReadOnly)
+                    menu.AddDisabledItem(item);
+                else
+                    menu.AddItem(item, state.editSequence.asset.durationMode == mode, () => SelectDurationCallback(state, mode));
+
+                menu.AddItem(DirectorStyles.showMarkersOnTimeline, state.showMarkerHeader, () => new ToggleShowMarkersOnTimeline().Execute(state));
+            }
+        }
+
+        static void SelectDurationCallback(WindowState state, TimelineAsset.DurationMode mode)
+        {
+            if (mode == state.editSequence.asset.durationMode)
+                return;
+
+            TimelineUndo.PushUndo(state.editSequence.asset, "Duration Mode");
+
+
+            // if we switched from Auto to Fixed, use the auto duration as the new fixed duration so the end marker stay in the same position.
+            if (state.editSequence.asset.durationMode == TimelineAsset.DurationMode.BasedOnClips && mode == TimelineAsset.DurationMode.FixedLength)
+            {
+                state.editSequence.asset.fixedDuration = state.editSequence.duration;
+            }
+
+            state.editSequence.asset.durationMode = mode;
+            state.UpdateRootPlayableDuration(state.editSequence.duration);
+        }
+    }
+
+    class Scrub : Manipulator
+    {
+        readonly Func<Event, WindowState, bool> m_OnMouseDown;
+        readonly Action<double> m_OnMouseDrag;
+        readonly Action m_OnMouseUp;
+
+        bool m_IsCaptured;
+
+        public Scrub(Func<Event, WindowState, bool> onMouseDown, Action<double> onMouseDrag, Action onMouseUp)
+        {
+            m_OnMouseDown = onMouseDown;
+            m_OnMouseDrag = onMouseDrag;
+            m_OnMouseUp = onMouseUp;
+        }
+
+        protected override bool MouseDown(Event evt, WindowState state)
+        {
+            if (evt.button != 0)
+                return false;
+
+            if (!m_OnMouseDown(evt, state))
+                return false;
+
+            state.AddCaptured(this);
+            m_IsCaptured = true;
+
+            return true;
+        }
+
+        protected override bool MouseUp(Event evt, WindowState state)
+        {
+            if (!m_IsCaptured)
+                return false;
+
+            m_IsCaptured = false;
+            state.RemoveCaptured(this);
+
+            m_OnMouseUp();
+
+            return true;
+        }
+
+        protected override bool MouseDrag(Event evt, WindowState state)
+        {
+            if (!m_IsCaptured)
+                return false;
+
+            m_OnMouseDrag(state.GetSnappedTimeAtMousePosition(evt.mousePosition));
+
+            return true;
+        }
+    }
+
+    class TimeAreaItem : Control
+    {
+        public Color        headColor   { get; set; }
+        public Color        lineColor   { get; set; }
+        public bool         drawLine    { get; set; }
+        public bool         drawHead    { get; set; }
+        public bool         canMoveHead { get; set; }
+        public string       tooltip     { get; set; }
+        public Vector2      boundOffset { get; set; }
+
+        readonly GUIContent m_HeaderContent = new GUIContent();
+        readonly GUIStyle m_Style;
+        readonly Tooltip m_Tooltip;
+
+        Rect m_BoundingRect;
+
+        float widgetHeight { get { return m_Style.fixedHeight; } }
+        float widgetWidth { get { return m_Style.fixedWidth; } }
+
+        public Rect bounds
+        {
+            get
+            {
+                Rect r = m_BoundingRect;
+                r.y = TimelineWindow.instance.state.timeAreaRect.yMax - widgetHeight;
+                r.position += boundOffset;
+
+                return r;
+            }
+        }
+
+        public GUIStyle style
+        {
+            get { return m_Style;  }
+        }
+
+
+        public bool showTooltip { get; set; }
+
+        // is this the first frame the drag callback is being invoked
+        public bool firstDrag { get; private set; }
+
+        public TimeAreaItem(GUIStyle style, Action<double> onDrag)
+        {
+            m_Style = style;
+            headColor = Color.white;
+            var scrub = new Scrub(
+                (evt, state) =>
+                {
+                    firstDrag = true;
+                    return state.timeAreaRect.Contains(evt.mousePosition) && bounds.Contains(evt.mousePosition);
+                },
+                (d) =>
+                {
+                    if (onDrag != null)
+                        onDrag(d);
+                    firstDrag = false;
+                },
+                () =>
+                {
+                    showTooltip = false;
+                    firstDrag = false;
+                }
+            );
+            AddManipulator(scrub);
+            lineColor = m_Style.normal.textColor;
+            drawLine = true;
+            drawHead = true;
+            canMoveHead = false;
+            tooltip = string.Empty;
+            boundOffset = Vector2.zero;
+            m_Tooltip = new Tooltip(DirectorStyles.Instance.displayBackground, DirectorStyles.Instance.tinyFont);
+        }
+
+        public void Draw(Rect rect, WindowState state, double time)
+        {
+            var clipRect = new Rect(0.0f, 0.0f, TimelineWindow.instance.position.width, TimelineWindow.instance.position.height);
+            clipRect.xMin += state.sequencerHeaderWidth;
+
+            using (new GUIViewportScope(clipRect))
+            {
+                Vector2 windowCoordinate = rect.min;
+                windowCoordinate.y += 4.0f;
+
+                windowCoordinate.x = state.TimeToPixel(time);
+
+                m_BoundingRect = new Rect((windowCoordinate.x - widgetWidth / 2.0f), windowCoordinate.y, widgetWidth, widgetHeight);
+
+                // Do not paint if the time cursor goes outside the timeline bounds...
+                if (Event.current.type == EventType.Repaint)
+                {
+                    if (m_BoundingRect.xMax < state.timeAreaRect.xMin)
+                        return;
+                    if (m_BoundingRect.xMin > state.timeAreaRect.xMax)
+                        return;
+                }
+
+                var top = new Vector3(windowCoordinate.x, rect.y - DirectorStyles.kDurationGuiThickness);
+                var bottom = new Vector3(windowCoordinate.x, rect.yMax);
+
+                if (drawLine)
+                {
+                    Rect lineRect = Rect.MinMaxRect(top.x - 0.5f, top.y, bottom.x + 0.5f, bottom.y);
+                    EditorGUI.DrawRect(lineRect, lineColor);
+                }
+
+                if (drawHead)
+                {
+                    Color c = GUI.color;
+                    GUI.color = headColor;
+                    GUI.Box(bounds, m_HeaderContent, m_Style);
+                    GUI.color = c;
+
+                    if (canMoveHead)
+                        EditorGUIUtility.AddCursorRect(bounds, MouseCursor.MoveArrow);
+                }
+
+                if (showTooltip)
+                {
+                    m_Tooltip.text = TimeReferenceUtility.ToTimeString(time);
+
+                    Vector2 position = bounds.position;
+                    position.y = state.timeAreaRect.y;
+                    position.y -= m_Tooltip.bounds.height;
+                    position.x -= Mathf.Abs(m_Tooltip.bounds.width - bounds.width) / 2.0f;
+
+                    Rect tooltipBounds = bounds;
+                    tooltipBounds.position = position;
+                    m_Tooltip.bounds = tooltipBounds;
+
+                    m_Tooltip.Draw();
+                }
+            }
+        }
+    }
+}