From c55fba8ab2a1c9d3df65eda4a5a1e957f4aa1f78 Mon Sep 17 00:00:00 2001 From: Andrew Lee Date: Sun, 19 Apr 2020 17:19:32 -0400 Subject: Inital commit --- .../Editor/Manipulators/Trim/TrimItemModeRipple.cs | 97 ++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Trim/TrimItemModeRipple.cs (limited to 'Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Trim/TrimItemModeRipple.cs') diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Trim/TrimItemModeRipple.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Trim/TrimItemModeRipple.cs new file mode 100644 index 0000000..1cce7a6 --- /dev/null +++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Manipulators/Trim/TrimItemModeRipple.cs @@ -0,0 +1,97 @@ +using System; +using System.Linq; +using UnityEngine; +using UnityEngine.Timeline; + +namespace UnityEditor.Timeline +{ + class TrimItemModeRipple : ITrimItemMode, ITrimItemDrawer + { + double m_OriginalClipStart; + double m_OriginalClipEnd; + + ITrimmable[] m_NextItems; + + double m_BlendDuration; + + double m_TrimStartShift; + + public void OnBeforeTrim(ITrimmable item, TrimEdge trimDirection) + { + m_OriginalClipStart = item.start; + m_OriginalClipEnd = item.end; + m_TrimStartShift = 0.0; + + var sortedClips = ItemsUtils.GetItemsExcept(item.parentTrack, new[] { item }) + .OfType() + .OrderBy(c => c.start); + + var clipStart = (DiscreteTime)item.start; + var clipEnd = (DiscreteTime)item.end; + + m_NextItems = sortedClips.Where(c => (DiscreteTime)c.start >= clipStart && (DiscreteTime)c.end >= clipEnd).ToArray(); + + var overlapped = sortedClips.LastOrDefault(c => (DiscreteTime)c.start == clipStart && (DiscreteTime)c.end == clipEnd); + + if (overlapped != null) + { + m_BlendDuration = overlapped.end - overlapped.start; + } + else + { + m_BlendDuration = 0.0; + + var prevClip = sortedClips.LastOrDefault(c => (DiscreteTime)c.start <= clipStart && (DiscreteTime)c.end <= clipEnd); + if (prevClip != null) + m_BlendDuration += Math.Max(prevClip.end - item.start, 0.0); + + var nextClip = sortedClips.FirstOrDefault(c => (DiscreteTime)c.start >= clipStart && (DiscreteTime)c.end >= clipEnd); + if (nextClip != null) + m_BlendDuration += Math.Max(item.end - nextClip.start, 0.0); + } + } + + public void TrimStart(ITrimmable item, double time) + { + var prevEnd = item.end; + + // HACK If time is negative, make sure we shift the SetStart operation to a positive space. + if (time < 0.0) + m_TrimStartShift = Math.Max(-time, m_TrimStartShift); + + item.start = m_OriginalClipEnd - item.duration + m_TrimStartShift; + time += m_TrimStartShift; + + if (m_BlendDuration > 0.0) + time = Math.Min(time, item.end - m_BlendDuration); + + item.SetStart(time); + + item.start = m_OriginalClipStart; + + var offset = item.end - prevEnd; + foreach (var timelineClip in m_NextItems) + timelineClip.start += offset; + } + + public void TrimEnd(ITrimmable item, double time, bool affectTimeScale) + { + var prevEnd = item.end; + + if (m_BlendDuration > 0.0) + time = Math.Max(time, item.start + m_BlendDuration); + + item.SetEnd(time, affectTimeScale); + + var offset = item.end - prevEnd; + foreach (var timelineClip in m_NextItems) + timelineClip.start += offset; + } + + public void DrawGUI(WindowState state, Rect bounds, Color color, TrimEdge edge) + { + EditModeGUIUtils.DrawBoundsEdge(bounds, color, edge); + TimelineCursors.SetCursor(TimelineCursors.CursorType.Ripple); + } + } +} -- cgit v1.2.3