File size: 7,592 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 | using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline
{
class TrimClip : Manipulator
{
private readonly string kDurationText = L10n.Tr("Duration:");
private readonly string kSpeedText = L10n.Tr("Speed:");
class TrimClipAttractionHandler : IAttractionHandler
{
public void OnAttractedEdge(IAttractable attractable, ManipulateEdges manipulateEdges, AttractedEdge edge, double time)
{
var clipGUI = attractable as TimelineClipGUI;
if (clipGUI == null)
return;
var clipItem = ItemsUtils.ToItem(clipGUI.clip);
if (manipulateEdges == ManipulateEdges.Right)
{
bool affectTimeScale = IsAffectingTimeScale(clipGUI.clip);
EditMode.TrimEnd(clipItem, time, affectTimeScale);
}
else if (manipulateEdges == ManipulateEdges.Left)
{
bool affectTimeScale = IsAffectingTimeScale(clipGUI.clip);
EditMode.TrimStart(clipItem, time, affectTimeScale);
}
}
private bool IsAffectingTimeScale(TimelineClip clip)
{
bool autoScale = (clip.clipCaps & ClipCaps.AutoScale) == ClipCaps.AutoScale;
// TODO Do not use Event.current from here.
bool affectTimeScale = (autoScale && (Event.current.modifiers != EventModifiers.Shift))
|| (!autoScale && (Event.current.modifiers == EventModifiers.Shift));
return affectTimeScale;
}
}
bool m_IsCaptured;
TimelineClipHandle m_TrimClipHandler;
double m_OriginalDuration;
double m_OriginalTimeScale;
double m_OriginalEaseInDuration;
double m_OriginalEaseOutDuration;
bool m_UndoSaved;
SnapEngine m_SnapEngine;
readonly List<string> m_OverlayStrings = new List<string>();
static readonly double kEpsilon = 0.0000001;
protected override bool MouseDown(Event evt, WindowState state)
{
var handle = PickerUtils.TopmostPickedItem() as TimelineClipHandle;
if (handle == null)
return false;
if (handle.clipGUI.clip.GetParentTrack() != null && handle.clipGUI.clip.GetParentTrack().lockedInHierarchy)
return false;
m_TrimClipHandler = handle;
m_IsCaptured = true;
state.AddCaptured(this);
m_UndoSaved = false;
var clip = m_TrimClipHandler.clipGUI.clip;
m_OriginalDuration = clip.duration;
m_OriginalTimeScale = clip.timeScale;
m_OriginalEaseInDuration = clip.easeInDuration;
m_OriginalEaseOutDuration = clip.easeOutDuration;
RefreshOverlayStrings(m_TrimClipHandler, state);
// in ripple trim, the right edge moves and needs to snap
var edges = ManipulateEdges.Right;
if (EditMode.editType != EditMode.EditType.Ripple && m_TrimClipHandler.trimDirection == TrimEdge.Start)
edges = ManipulateEdges.Left;
m_SnapEngine = new SnapEngine(m_TrimClipHandler.clipGUI, new TrimClipAttractionHandler(), edges, state,
evt.mousePosition);
EditMode.BeginTrim(ItemsUtils.ToItem(clip), m_TrimClipHandler.trimDirection);
return true;
}
protected override bool MouseUp(Event evt, WindowState state)
{
if (!m_IsCaptured)
return false;
m_IsCaptured = false;
m_TrimClipHandler = null;
m_UndoSaved = false;
m_SnapEngine = null;
EditMode.FinishTrim();
state.captured.Clear();
return true;
}
protected override bool MouseDrag(Event evt, WindowState state)
{
if (state.editSequence.isReadOnly)
return false;
if (!m_IsCaptured)
return false;
var uiClip = m_TrimClipHandler.clipGUI;
if (!m_UndoSaved)
{
UndoExtensions.RegisterClip(uiClip.clip, L10n.Tr("Trim Clip"));
if (TimelineUtility.IsRecordableAnimationClip(uiClip.clip))
{
TimelineUndo.PushUndo(uiClip.clip.animationClip, L10n.Tr("Trim Clip"));
}
m_UndoSaved = true;
}
//Reset to original ease values. The trim operation will calculate the proper blend values.
uiClip.clip.easeInDuration = m_OriginalEaseInDuration;
uiClip.clip.easeOutDuration = m_OriginalEaseOutDuration;
if (m_SnapEngine != null)
m_SnapEngine.Snap(evt.mousePosition, evt.modifiers);
RefreshOverlayStrings(m_TrimClipHandler, state);
if (Selection.activeObject != null)
EditorUtility.SetDirty(Selection.activeObject);
// updates the duration of the graph without rebuilding
state.UpdateRootPlayableDuration(state.editSequence.duration);
return true;
}
public override void Overlay(Event evt, WindowState state)
{
if (!m_IsCaptured)
return;
EditMode.DrawTrimGUI(state, m_TrimClipHandler.clipGUI, m_TrimClipHandler.trimDirection);
bool trimStart = m_TrimClipHandler.trimDirection == TrimEdge.Start;
TimeIndicator.Draw(state, trimStart ? m_TrimClipHandler.clipGUI.start : m_TrimClipHandler.clipGUI.end);
if (m_SnapEngine != null)
m_SnapEngine.OnGUI(trimStart, !trimStart);
if (m_OverlayStrings.Count > 0)
{
const float padding = 4.0f;
var labelStyle = TimelineWindow.styles.tinyFont;
var longestLine = labelStyle.CalcSize(
new GUIContent(m_OverlayStrings.Aggregate("", (max, cur) => max.Length > cur.Length ? max : cur)));
var stringLength = longestLine.x + padding;
var lineHeight = longestLine.y + padding;
var r = new Rect(evt.mousePosition.x - (stringLength / 2.0f),
m_TrimClipHandler.clipGUI.rect.yMax,
stringLength, lineHeight);
foreach (var s in m_OverlayStrings)
{
GUI.Label(r, s, labelStyle);
r.y += lineHeight;
}
}
}
void RefreshOverlayStrings(TimelineClipHandle handle, WindowState state)
{
m_OverlayStrings.Clear();
var differenceDuration = handle.clipGUI.clip.duration - m_OriginalDuration;
m_OverlayStrings.Add($"{kDurationText} {state.timeFormat.ToTimeStringWithDelta(handle.clipGUI.clip.duration, state.referenceSequence.frameRate, differenceDuration)}");
var differenceSpeed = m_OriginalTimeScale - handle.clipGUI.clip.timeScale;
if (Math.Abs(differenceSpeed) > kEpsilon)
{
var sign = differenceSpeed > 0 ? "+" : "";
var timeScale = handle.clipGUI.clip.timeScale.ToString("f2");
var deltaSpeed = differenceSpeed.ToString("p2");
m_OverlayStrings.Add($"{kSpeedText} {timeScale} ({sign}{deltaSpeed}) ");
}
}
}
}
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