GlobalGameJame/Library/PackageCache/com.unity.timeline@1.2.10/Editor/Animation/ClipCurveEditor.cs

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C#
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2020-01-31 15:10:04 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using UnityEditor.Timeline;
using UnityEngine;
using UnityEngine.Timeline;
using Graphics = UnityEditor.Timeline.Graphics;
namespace UnityEditor
{
class ClipCurveEditor
{
internal readonly CurveEditor m_CurveEditor;
static readonly CurveEditorSettings s_CurveEditorSettings = new CurveEditorSettings();
static readonly float s_GridLabelWidth = 40.0f;
readonly BindingSelector m_BindingHierarchy;
public BindingSelector bindingHierarchy
{
get { return m_BindingHierarchy; }
}
public Rect shownAreaInsideMargins
{
get { return m_CurveEditor != null ? m_CurveEditor.shownAreaInsideMargins : new Rect(1, 1, 1, 1); }
}
Vector2 m_ScrollPosition = Vector2.zero;
readonly CurveDataSource m_DataSource;
float m_LastFrameRate = 30.0f;
int m_LastClipVersion = -1;
int m_LastCurveCount = -1;
TrackViewModelData m_ViewModel;
bool isNewSelection
{
get
{
if (m_ViewModel == null || m_DataSource == null)
return true;
return m_ViewModel.lastInlineCurveDataID != m_DataSource.id;
}
}
internal CurveEditor curveEditor
{
get { return m_CurveEditor; }
}
public ClipCurveEditor(CurveDataSource dataSource, TimelineWindow parentWindow, TrackAsset hostTrack)
{
m_DataSource = dataSource;
m_CurveEditor = new CurveEditor(new Rect(0, 0, 1000, 100), new CurveWrapper[0], false);
s_CurveEditorSettings.hSlider = false;
s_CurveEditorSettings.vSlider = false;
s_CurveEditorSettings.hRangeLocked = false;
s_CurveEditorSettings.vRangeLocked = false;
s_CurveEditorSettings.scaleWithWindow = true;
s_CurveEditorSettings.hRangeMin = 0.0f;
s_CurveEditorSettings.showAxisLabels = true;
s_CurveEditorSettings.allowDeleteLastKeyInCurve = true;
s_CurveEditorSettings.rectangleToolFlags = CurveEditorSettings.RectangleToolFlags.MiniRectangleTool;
s_CurveEditorSettings.vTickStyle = new TickStyle
{
tickColor = { color = DirectorStyles.Instance.customSkin.colorInlineCurveVerticalLines },
distLabel = 20,
stubs = true
};
s_CurveEditorSettings.hTickStyle = new TickStyle
{
// hide horizontal lines by giving them a transparent color
tickColor = { color = new Color(0.0f, 0.0f, 0.0f, 0.0f) },
distLabel = 0
};
m_CurveEditor.settings = s_CurveEditorSettings;
m_ViewModel = TimelineWindowViewPrefs.GetTrackViewModelData(hostTrack);
if (isNewSelection)
m_CurveEditor.shownArea = new Rect(1, 1, 1, 1);
else
m_CurveEditor.shownAreaInsideMargins = m_ViewModel.inlineCurvesShownAreaInsideMargins;
m_CurveEditor.ignoreScrollWheelUntilClicked = true;
m_CurveEditor.curvesUpdated = OnCurvesUpdated;
m_BindingHierarchy = new BindingSelector(parentWindow, m_CurveEditor, m_ViewModel.inlineCurvesState);
}
public void SelectAllKeys()
{
m_CurveEditor.SelectAll();
}
public void FrameClip()
{
m_CurveEditor.InvalidateBounds();
m_CurveEditor.FrameClip(false, true);
}
public bool HasSelection()
{
return m_CurveEditor.hasSelection;
}
public Vector2 GetSelectionRange()
{
Bounds b = m_CurveEditor.selectionBounds;
return new Vector2(b.min.x, b.max.x);
}
public CurveDataSource dataSource
{
get { return m_DataSource; }
}
internal void OnCurvesUpdated()
{
if (m_DataSource == null)
return;
if (m_CurveEditor == null)
return;
if (m_CurveEditor.animationCurves.Length == 0)
return;
List<CurveWrapper> curvesToUpdate = m_CurveEditor.animationCurves.Where(c => c.changed).ToList();
// nothing changed, return.
if (curvesToUpdate.Count == 0)
return;
AnimationClip clip = m_DataSource.animationClip;
// something changed, manage the undo properly.
Undo.RegisterCompleteObjectUndo(clip, "Edit Clip Curve");
foreach (CurveWrapper c in curvesToUpdate)
{
AnimationUtility.SetEditorCurve(clip, c.binding, c.curve);
c.changed = false;
}
m_DataSource.UpdateCurves(curvesToUpdate);
}
public void DrawHeader(Rect headerRect)
{
m_BindingHierarchy.InitIfNeeded(headerRect, m_DataSource, isNewSelection);
try
{
GUILayout.BeginArea(headerRect);
m_ScrollPosition = GUILayout.BeginScrollView(m_ScrollPosition, GUIStyle.none, GUI.skin.verticalScrollbar);
m_BindingHierarchy.OnGUI(new Rect(0, 0, headerRect.width, headerRect.height));
GUILayout.EndScrollView();
GUILayout.EndArea();
}
catch (Exception e)
{
Debug.LogException(e);
}
}
class FrameFormatCurveEditorState : ICurveEditorState
{
public TimeArea.TimeFormat timeFormat
{
get { return TimeArea.TimeFormat.Frame; }
}
public Vector2 timeRange { get { return new Vector2(0, 1); } }
public bool rippleTime { get { return false; } }
}
class UnformattedCurveEditorState : ICurveEditorState
{
public TimeArea.TimeFormat timeFormat
{
get { return TimeArea.TimeFormat.None; }
}
public Vector2 timeRange { get { return new Vector2(0, 1); } }
public bool rippleTime { get { return false; } }
}
void UpdateCurveEditorIfNeeded(WindowState state)
{
if ((Event.current.type != EventType.Layout) || (m_DataSource == null) || (m_BindingHierarchy == null) || (m_DataSource.animationClip == null))
return;
AnimationClipCurveInfo curveInfo = AnimationClipCurveCache.Instance.GetCurveInfo(m_DataSource.animationClip);
int version = curveInfo.version;
if (version != m_LastClipVersion)
{
// tree has changed
if (m_LastCurveCount != curveInfo.curves.Length)
{
m_BindingHierarchy.RefreshTree();
m_LastCurveCount = curveInfo.curves.Length;
}
else
{
// update just the curves
m_BindingHierarchy.RefreshCurves();
}
if (isNewSelection)
FrameClip();
m_LastClipVersion = version;
}
if (state.timeInFrames)
m_CurveEditor.state = new FrameFormatCurveEditorState();
else
m_CurveEditor.state = new UnformattedCurveEditorState();
m_CurveEditor.invSnap = state.referenceSequence.frameRate;
}
public void DrawCurveEditor(Rect animEditorRect, WindowState state, Vector2 activeRange, bool loop, bool selected)
{
var curveStart = state.TimeToPixel(m_DataSource.start);
var minCurveStart = animEditorRect.xMax - 1.0f;
if (curveStart > minCurveStart) // Prevent the curve from drawing inside small rect
animEditorRect.xMax += curveStart - minCurveStart;
UpdateCurveEditorIfNeeded(state);
DrawCurveEditorBackground(animEditorRect);
// adjust the top margin so smaller rectangle have smaller top / bottom margins.
m_CurveEditor.topmargin = m_CurveEditor.bottommargin = CalculateTopMargin(animEditorRect.height);
//align the curve with the clip.
var localCurveStart = curveStart - animEditorRect.xMin;
m_CurveEditor.leftmargin = 0.0f;
m_CurveEditor.rect = new Rect(localCurveStart, 0.0f, animEditorRect.width - localCurveStart, animEditorRect.height);
m_CurveEditor.SetShownHRangeInsideMargins(0.0f, (state.PixelToTime(animEditorRect.xMax) - m_DataSource.start) * m_DataSource.timeScale);
if (m_LastFrameRate != state.referenceSequence.frameRate)
{
m_CurveEditor.hTicks.SetTickModulosForFrameRate(state.referenceSequence.frameRate);
m_LastFrameRate = state.referenceSequence.frameRate;
}
foreach (CurveWrapper cw in m_CurveEditor.animationCurves)
cw.renderer.SetWrap(WrapMode.Default, loop ? WrapMode.Loop : WrapMode.Default);
m_CurveEditor.BeginViewGUI();
Color oldColor = GUI.color;
GUI.color = Color.white;
GUI.BeginGroup(animEditorRect);
// Draw a line at 0
Graphics.DrawLine(new Vector2(localCurveStart, 0.0f), new Vector2(localCurveStart, animEditorRect.height), new Color(1.0f, 1.0f, 1.0f, 0.5f));
float rangeStart = activeRange.x - animEditorRect.x;
float rangeWidth = activeRange.y - activeRange.x;
// draw selection outline underneath the curves.
if (selected)
{
var selectionRect = new Rect(rangeStart, 0.0f, rangeWidth, animEditorRect.height);
DrawOutline(selectionRect);
}
EditorGUI.BeginChangeCheck();
Event evt = Event.current;
if ((evt.type == EventType.Layout) || (evt.type == EventType.Repaint) || selected)
m_CurveEditor.CurveGUI();
m_CurveEditor.EndViewGUI();
if (EditorGUI.EndChangeCheck())
OnCurvesUpdated();
// draw overlays on top of curves
var overlayColor = DirectorStyles.Instance.customSkin.colorInlineCurveOutOfRangeOverlay;
var leftSide = new Rect(localCurveStart, 0.0f, rangeStart - localCurveStart, animEditorRect.height);
EditorGUI.DrawRect(leftSide, overlayColor);
var rightSide = new Rect(rangeStart + rangeWidth, 0.0f, animEditorRect.width - rangeStart - rangeWidth, animEditorRect.height);
EditorGUI.DrawRect(rightSide, overlayColor);
GUI.color = oldColor;
GUI.EndGroup();
// draw the grid labels last
var gridRect = animEditorRect;
gridRect.width = s_GridLabelWidth;
var offset = localCurveStart - s_GridLabelWidth;
if (offset > 0.0f)
gridRect.x = animEditorRect.x + offset;
m_CurveEditor.rect = new Rect(0.0f, 0.0f, animEditorRect.width, animEditorRect.height);
GUI.BeginGroup(gridRect);
m_CurveEditor.GridGUI();
GUI.EndGroup();
}
static void DrawCurveEditorBackground(Rect animEditorRect)
{
if (EditorGUIUtility.isProSkin)
return;
var animEditorBackgroundRect = Rect.MinMaxRect(
0.0f, animEditorRect.yMin, animEditorRect.xMax, animEditorRect.yMax);
// Curves are not legible in Personal Skin so we need to darken the background a bit.
EditorGUI.DrawRect(animEditorBackgroundRect, DirectorStyles.Instance.customSkin.colorInlineCurvesBackground);
}
float CalculateTopMargin(float height)
{
return Mathf.Clamp(0.15f * height, 10.0f, 40.0f);
}
// todo move this in a utility class?
static void DrawOutline(Rect rect, float thickness = 2.0f)
{
// Draw top selected lines.
EditorGUI.DrawRect(new Rect(rect.xMin, rect.yMin, rect.width, thickness), Color.white);
// Draw bottom selected lines.
EditorGUI.DrawRect(new Rect(rect.xMin, rect.yMax - thickness, rect.width, thickness), Color.white);
// Draw Left Selected Lines
EditorGUI.DrawRect(new Rect(rect.xMin, rect.yMin, thickness, rect.height), Color.white);
// Draw Right Selected Lines
EditorGUI.DrawRect(new Rect(rect.xMax - thickness, rect.yMin, thickness, rect.height), Color.white);
}
}
}