Rasagar/Library/PackageCache/com.unity.timeline/Editor/Window/TimelineWindow_Gui.cs
2024-08-26 23:07:20 +03:00

470 lines
17 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
#if UNITY_2021_2_OR_NEWER
using UnityEditor.SceneManagement;
#else
using UnityEditor.Experimental.SceneManagement;
#endif
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline
{
partial class TimelineWindow
{
struct MarkerOverlay
{
public IMarker marker;
public Rect rect;
public bool isSelected;
public bool isCollapsed;
public MarkerEditor editor;
}
enum TimelineItemArea
{
Header,
Lines
}
static internal readonly TimelineMode s_ActiveMode = new TimelineActiveMode();
static internal readonly TimelineMode s_EditAssetMode = new TimelineAssetEditionMode();
static internal readonly TimelineMode s_InactiveMode = new TimelineInactiveMode();
static internal readonly TimelineMode s_DisabledMode = new TimelineDisabledMode();
static internal readonly TimelineMode s_PrefabOutOfContextMode = new TimelineAssetEditionMode();
static internal readonly TimelineMode s_ReadonlyMode = new TimelineReadOnlyMode();
private static readonly GUIContent MenuItemFrames = L10n.TextContent("Frames");
private static readonly GUIContent MenuItemTimecode = L10n.TextContent("Timecode");
private static readonly GUIContent MenuItemSeconds = L10n.TextContent("Seconds");
static readonly string k_FrameRateMenuLabel = L10n.Tr("Frame Rate/{0}");
static readonly string k_CustomFpsLabel = L10n.Tr("{0}: {1:f2} fps");
float m_VerticalScrollBarSize, m_HorizontalScrollBarSize;
List<MarkerOverlay> m_OverlayQueue = new List<MarkerOverlay>(100);
float headerHeight
{
get
{
return WindowConstants.markerRowYPosition + (state.showMarkerHeader ? WindowConstants.markerRowHeight : 0.0f);
}
}
public Rect markerHeaderRect
{
get { return new Rect(0.0f, WindowConstants.markerRowYPosition, state.sequencerHeaderWidth, WindowConstants.markerRowHeight); }
}
public Rect markerContentRect
{
get { return Rect.MinMaxRect(state.sequencerHeaderWidth, WindowConstants.markerRowYPosition, position.width, WindowConstants.markerRowYPosition + WindowConstants.markerRowHeight); }
}
Rect trackRect
{
get
{
var yMinHeight = headerHeight;
return new Rect(0, yMinHeight, position.width, position.height - yMinHeight - horizontalScrollbarHeight);
}
}
public Rect sequenceRect
{
get { return new Rect(0.0f, WindowConstants.markerRowYPosition, position.width - WindowConstants.sliderWidth, position.height - WindowConstants.timeAreaYPosition); }
}
public Rect sequenceHeaderRect
{
get { return new Rect(0.0f, WindowConstants.markerRowYPosition, state.sequencerHeaderWidth, position.height - WindowConstants.timeAreaYPosition); }
}
public Rect headerSplitterRect
{
get
{
return new Rect(state.sequencerHeaderWidth - WindowConstants.headerSplitterWidth / 2.0f, WindowConstants.timeAreaYPosition, WindowConstants.headerSplitterWidth, clientArea.height);
}
}
public Rect sequenceContentRect
{
get
{
return new Rect(
state.sequencerHeaderWidth,
WindowConstants.markerRowYPosition,
position.width - state.sequencerHeaderWidth - (treeView != null && treeView.showingVerticalScrollBar ? WindowConstants.sliderWidth : 0),
position.height - WindowConstants.markerRowYPosition - horizontalScrollbarHeight);
}
}
public float verticalScrollbarWidth
{
get
{
return m_VerticalScrollBarSize;
}
}
public float horizontalScrollbarHeight
{
get { return m_HorizontalScrollBarSize; }
}
internal TimelineMode currentMode
{
get
{
if (state == null || state.editSequence.asset == null)
return s_InactiveMode;
if (state.editSequence.isReadOnly)
return s_ReadonlyMode;
if (state.editSequence.director == null || state.masterSequence.director == null)
return s_EditAssetMode;
if (PrefabUtility.IsPartOfPrefabAsset(state.editSequence.director))
{
var stage = PrefabStageUtility.GetCurrentPrefabStage();
if (stage == null || !stage.IsPartOfPrefabContents(state.editSequence.director.gameObject))
return s_PrefabOutOfContextMode;
}
if (!state.masterSequence.director.isActiveAndEnabled)
return s_DisabledMode;
return s_ActiveMode;
}
}
void DoLayout()
{
EventType rawType = Event.current.rawType;
var mousePosition = Event.current.mousePosition; // mousePosition is also affected by this bug and does not reflect the original position after a Use()
Initialize();
var processManipulators = Event.current.type != EventType.Repaint && Event.current.type != EventType.Layout;
if (processManipulators)
{
// Update what's under mouse the cursor
PickerUtils.DoPick(state, mousePosition);
if (state.editSequence.asset != null)
m_PreTreeViewControl.HandleManipulatorsEvents(state);
}
SequencerGUI();
if (processManipulators)
{
if (state.editSequence.asset != null)
m_PostTreeViewControl.HandleManipulatorsEvents(state);
}
if (state.editSequence.asset != null)
{
m_RectangleSelect.OnGUI(state, rawType, mousePosition);
m_RectangleZoom.OnGUI(state, rawType, mousePosition);
}
}
void SplitterGUI()
{
if (!state.IsEditingAnEmptyTimeline())
{
var splitterVisualRect = new Rect(state.sequencerHeaderWidth - WindowConstants.headerSplitterWidth / 2.0f,
WindowConstants.timeAreaYPosition + 2.0f,
WindowConstants.headerSplitterVisualWidth,
clientArea.height);
EditorGUI.DrawRect(splitterVisualRect, DirectorStyles.Instance.customSkin.colorTopOutline3);
if (GUIUtility.hotControl == 0)
EditorGUIUtility.AddCursorRect(headerSplitterRect, MouseCursor.SplitResizeLeftRight);
}
}
void TrackViewsGUI()
{
using (new GUIViewportScope(trackRect))
{
TracksGUI(trackRect, state, currentMode.TrackState(state));
}
}
void UserOverlaysGUI()
{
if (Event.current.type != EventType.Repaint)
return;
if (m_OverlayQueue.Count == 0)
return;
// the rect containing the time area plus the time ruler
var screenRect = new Rect(
state.sequencerHeaderWidth,
WindowConstants.timeAreaYPosition,
position.width - state.sequencerHeaderWidth - (treeView != null && treeView.showingVerticalScrollBar ? WindowConstants.sliderWidth : 0),
position.height - WindowConstants.timeAreaYPosition - horizontalScrollbarHeight);
var trackOffset = trackRect.y - screenRect.y;
var startTime = state.PixelToTime(screenRect.xMin);
var endTime = state.PixelToTime(screenRect.xMax);
using (new GUIViewportScope(screenRect))
{
foreach (var entry in m_OverlayQueue)
{
var uiState = MarkerUIStates.None;
if (entry.isCollapsed)
uiState |= MarkerUIStates.Collapsed;
if (entry.isSelected)
uiState |= MarkerUIStates.Selected;
var region = new MarkerOverlayRegion(GUIClip.Clip(entry.rect), screenRect, startTime, endTime, trackOffset);
try
{
entry.editor.DrawOverlay(entry.marker, uiState, region);
}
catch (Exception e)
{
Debug.LogException(e);
}
}
}
m_OverlayQueue.Clear();
}
void DrawHeaderBackground()
{
var rect = state.timeAreaRect;
rect.xMin = 0.0f;
EditorGUI.DrawRect(rect, DirectorStyles.Instance.customSkin.colorTimelineBackground);
}
void HandleBottomFillerDragAndDrop(Rect rect)
{
if (Event.current.type != EventType.DragUpdated &&
Event.current.type != EventType.DragExited &&
Event.current.type != EventType.DragPerform)
return;
if (instance.treeView == null || instance.treeView.timelineDragging == null)
return;
if (!rect.Contains(Event.current.mousePosition))
return;
instance.treeView.timelineDragging.DragElement(null, new Rect(), -1);
}
void DrawHeaderBackgroundBottomFiller()
{
var rect = sequenceRect;
rect.yMin = rect.yMax;
rect.yMax = rect.yMax + WindowConstants.sliderWidth;
if (state.editSequence.asset != null && !state.IsEditingAnEmptyTimeline())
{
rect.width = state.sequencerHeaderWidth;
}
using (new GUIViewportScope(rect))
{
Graphics.DrawBackgroundRect(state, rect);
}
HandleBottomFillerDragAndDrop(rect);
}
void SequencerGUI()
{
var duration = state.editSequence.duration;
DrawHeaderBackground();
DurationGUI(TimelineItemArea.Header, duration);
DrawToolbar();
TrackViewsGUI();
MarkerHeaderGUI();
UserOverlaysGUI();
DurationGUI(TimelineItemArea.Lines, duration);
PlayRangeGUI(TimelineItemArea.Lines);
TimeCursorGUI(TimelineItemArea.Lines);
DrawHeaderBackgroundBottomFiller();
SubTimelineRangeGUI();
PlayRangeGUI(TimelineItemArea.Header);
TimeCursorGUI(TimelineItemArea.Header);
SplitterGUI();
}
void DrawToolbar()
{
DrawOptions();
using (new GUILayout.VerticalScope())
{
using (new GUILayout.HorizontalScope(EditorStyles.toolbar))
{
using (new GUILayout.HorizontalScope())
{
DrawTransportToolbar();
}
DrawSequenceSelector();
DrawBreadcrumbs();
GUILayout.FlexibleSpace();
DrawOptions();
}
using (new GUILayout.HorizontalScope())
{
DrawHeaderEditButtons();
DrawTimelineRuler();
}
}
}
void SubTimelineRangeGUI()
{
if (!state.IsEditingASubTimeline() || state.IsEditingAnEmptyTimeline()) return;
var subTimelineOverlayColor = DirectorStyles.Instance.customSkin.colorSubSequenceOverlay;
var range = state.editSequence.GetEvaluableRange();
var area = new Vector2(state.TimeToPixel(range.start), state.TimeToPixel(range.end));
var fullRect = sequenceContentRect;
fullRect.yMin = WindowConstants.timeAreaYPosition + 1.0f;
if (fullRect.xMin < area.x)
{
var before = fullRect;
before.xMin = fullRect.xMin;
before.xMax = Mathf.Min(area.x, fullRect.xMax);
EditorGUI.DrawRect(before, subTimelineOverlayColor);
}
if (fullRect.xMax > area.y)
{
var after = fullRect;
after.xMin = Mathf.Max(area.y, fullRect.xMin);
after.xMax = fullRect.xMax;
EditorGUI.DrawRect(after, subTimelineOverlayColor);
// Space above the vertical scrollbar
after.xMin = after.xMax;
after.width = verticalScrollbarWidth;
after.yMax = state.timeAreaRect.y + state.timeAreaRect.height + (state.showMarkerHeader ? WindowConstants.markerRowHeight : 0.0f);
EditorGUI.DrawRect(after, subTimelineOverlayColor);
}
}
void DrawOptions()
{
if (currentMode.headerState.options == TimelineModeGUIState.Hidden || state.editSequence.asset == null)
return;
using (new EditorGUI.DisabledScope(currentMode.headerState.options == TimelineModeGUIState.Disabled))
{
var rect = new Rect(position.width - WindowConstants.cogButtonWidth, 0, WindowConstants.cogButtonWidth, WindowConstants.timeAreaYPosition);
if (EditorGUI.DropdownButton(rect, DirectorStyles.optionsCogIcon, FocusType.Keyboard, EditorStyles.toolbarButton))
{
GenericMenu menu = new GenericMenu();
menu.AddItem(L10n.TextContent("Preferences Page..."), false, () => SettingsWindow.Show(SettingsScope.User, "Preferences/Timeline"));
menu.AddSeparator("");
menu.AddItem(MenuItemFrames, state.timeFormat == TimeFormat.Frames, () => state.timeFormat = TimeFormat.Frames);
menu.AddItem(MenuItemTimecode, state.timeFormat == TimeFormat.Timecode, () => state.timeFormat = TimeFormat.Timecode);
menu.AddItem(MenuItemSeconds, state.timeFormat == TimeFormat.Seconds, () => state.timeFormat = TimeFormat.Seconds);
menu.AddSeparator("");
TimeAreaContextMenu.AddTimeAreaMenuItems(menu, state);
menu.AddSeparator("");
bool isCustom = !FrameRateDisplayUtility.GetStandardFromFrameRate(state.editSequence.frameRate, out StandardFrameRates option);
var frameRatesLabels = FrameRateDisplayUtility.GetDefaultFrameRatesLabels(option);
if (isCustom)
frameRatesLabels[frameRatesLabels.Length - 1] = String.Format(k_CustomFpsLabel, frameRatesLabels.Last(), state.editSequence.frameRate);
for (var i = 0; i < frameRatesLabels.Length; i++)
{
var currentStandard = (StandardFrameRates)i;
AddStandardFrameRateMenu(menu, currentStandard, frameRatesLabels[i], currentStandard == option);
}
if (Unsupported.IsDeveloperMode())
{
menu.AddSeparator("");
menu.AddItem(L10n.TextContent("Show Snapping Debug"), SnapEngine.displayDebugLayout,
() => SnapEngine.displayDebugLayout = !SnapEngine.displayDebugLayout);
menu.AddItem(L10n.TextContent("Debug TimeArea"), false,
() =>
Debug.LogFormat("translation: {0} scale: {1} rect: {2} shownRange: {3}", m_TimeArea.translation, m_TimeArea.scale, m_TimeArea.rect, m_TimeArea.shownArea));
menu.AddItem(L10n.TextContent("Edit Skin"), false, () => Selection.activeObject = DirectorStyles.Instance.customSkin);
menu.AddItem(L10n.TextContent("Show QuadTree Debugger"), state.showQuadTree,
() => state.showQuadTree = !state.showQuadTree);
}
menu.DropDown(rect);
}
}
}
void AddStandardFrameRateMenu(GenericMenu menu, StandardFrameRates option, string label, bool on)
{
var gui = EditorGUIUtility.TextContent(String.Format(k_FrameRateMenuLabel, label));
if (state.editSequence.isReadOnly)
{
menu.AddDisabledItem(gui, on);
return;
}
FrameRate value = TimeUtility.ToFrameRate(option);
if (!value.IsValid())
menu.AddItem(gui, true, () => { });
else
{
menu.AddItem(gui, on, r =>
{
state.editSequence.frameRate = (float)value.rate;
}, value);
}
}
public void AddUserOverlay(IMarker marker, Rect rect, MarkerEditor editor, bool collapsed, bool selected)
{
if (marker == null)
throw new ArgumentNullException("marker");
if (editor == null)
throw new ArgumentNullException("editor");
m_OverlayQueue.Add(new MarkerOverlay()
{
isCollapsed = collapsed,
isSelected = selected,
marker = marker,
rect = rect,
editor = editor
}
);
}
}
}