public bool DoTimeline(Rect timeRect)
{
bool hasModifiedData = false;
Init();
m_Rect = timeRect;
float timeAreaStart = m_TimeArea.PixelToTime(timeRect.xMin, timeRect);
float timeAreaStop = m_TimeArea.PixelToTime(timeRect.xMax, timeRect);
if (!Mathf.Approximately(timeAreaStart, StartTime))
{
StartTime = timeAreaStart;
GUI.changed = true;
}
if (!Mathf.Approximately(timeAreaStop, StopTime))
{
StopTime = timeAreaStop;
GUI.changed = true;
}
Time = Mathf.Max(Time, 0f);
if (Event.current.type == EventType.Repaint)
{
m_TimeArea.rect = timeRect;
}
m_TimeArea.BeginViewGUI();
m_TimeArea.EndViewGUI();
GUI.BeginGroup(timeRect);
{
Event evt = Event.current;
Rect r = new Rect(0, 0, timeRect.width, timeRect.height);
Rect headerRect = new Rect(0, 0, timeRect.width, 18);
Rect bodyRect = new Rect(0, 18, timeRect.width, 132);
// get the relevant positions in pixels
float srcStart = m_TimeArea.TimeToPixel(SrcStartTime, r);
float srcStop = m_TimeArea.TimeToPixel(SrcStopTime, r);
float dstStart = m_TimeArea.TimeToPixel(DstStartTime, r) + m_DstDragOffset;
float dstStop = m_TimeArea.TimeToPixel(DstStopTime, r) + m_DstDragOffset;
float transStart = m_TimeArea.TimeToPixel(TransitionStartTime, r) + m_LeftThumbOffset;
float transStop = m_TimeArea.TimeToPixel(TransitionStopTime, r) + m_RightThumbOffset;
float playPoint = m_TimeArea.TimeToPixel(Time, r);
// get the relevant Rects
Rect srcRect = new Rect(srcStart, 85, srcStop - srcStart, 32);
Rect dstRect = new Rect(dstStart, 117, dstStop - dstStart, 32);
Rect transHeaderRect = new Rect(transStart, 0, transStop - transStart, 18);
Rect transRect = new Rect(transStart, 18, transStop - transStart, r.height - 18);
Rect leftThumbRect = new Rect(transStart - 9, 5, 9, 15);
Rect rightThumbRect = new Rect(transStop, 5, 9, 15);
Rect playHeadRect = new Rect(playPoint - 7, 4, 15, 15);
// handle keyboard
if (evt.type == EventType.KeyDown)
{
if (EditorGUIUtility.keyboardControl == id)
{
if (m_DragState == DragStates.Destination)
{
m_DstDragOffset = 0f;
}
}
if (m_DragState == DragStates.LeftSelection)
{
m_LeftThumbOffset = 0f;
}
if (m_DragState == DragStates.RightSelection)
{
m_RightThumbOffset = 0f;
}
if (m_DragState == DragStates.Playhead)
{
m_TimeOffset = 0f;
}
if (m_DragState == DragStates.FullSelection)
{
m_LeftThumbOffset = 0f;
m_RightThumbOffset = 0f;
}
}
// handle mouse down
if (evt.type == EventType.MouseDown)
{
if (r.Contains(evt.mousePosition))
{
EditorGUIUtility.hotControl = id;
EditorGUIUtility.keyboardControl = id;
if (playHeadRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.Playhead;
m_TimeStartDrag = m_TimeArea.TimeToPixel(Time, r);
}
else if (srcRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.Source;
}
else if (dstRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.Destination;
}
else if (leftThumbRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.LeftSelection;
}
else if (rightThumbRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.RightSelection;
}
else if (transHeaderRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.FullSelection;
}
else if (headerRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.TimeArea;
}
else if (bodyRect.Contains(evt.mousePosition))
{
m_DragState = DragStates.TimeArea;
}
else
{
m_DragState = DragStates.None;
}
evt.Use();
}
}
// handle mouse drag
if (evt.type == EventType.MouseDrag)
{
if (EditorGUIUtility.hotControl == id)
{
switch (m_DragState)
{
case DragStates.Source:
case DragStates.TimeArea:
m_TimeArea.m_Translation.x += evt.delta.x;
break;
case DragStates.Destination:
m_DstDragOffset += evt.delta.x;
EnforceConstraints();
break;
case DragStates.LeftSelection:
// clamp the delta when off range
if ((evt.delta.x > 0 && evt.mousePosition.x > srcStart) ||
(evt.delta.x < 0 && evt.mousePosition.x < transStop))
{
m_LeftThumbOffset += evt.delta.x;
}
EnforceConstraints();
break;
case DragStates.RightSelection:
// clamp the delta when off range
if (evt.delta.x > 0 && evt.mousePosition.x > transStart || evt.delta.x < 0)
{
m_RightThumbOffset += evt.delta.x;
}
EnforceConstraints();
break;
case DragStates.FullSelection:
m_RightThumbOffset += evt.delta.x;
m_LeftThumbOffset += evt.delta.x;
EnforceConstraints();
break;
case DragStates.Playhead:
if ((evt.delta.x > 0 && evt.mousePosition.x > srcStart) ||
(evt.delta.x < 0 && evt.mousePosition.x <= m_TimeArea.TimeToPixel(SampleStopTime, r)))
{
m_TimeOffset += evt.delta.x;
}
Time = m_TimeArea.PixelToTime(m_TimeStartDrag + m_TimeOffset, r);
break;
case DragStates.None:
break;
}
evt.Use();
GUI.changed = true;
}
}
// handle mouse up both when it happens over the control area and outside control area (case 834214)
if (Event.current.GetTypeForControl(id) == EventType.MouseUp)
{
SrcStartTime = m_TimeArea.PixelToTime(srcStart, r);
SrcStopTime = m_TimeArea.PixelToTime(srcStop, r);
DstStartTime = m_TimeArea.PixelToTime(dstStart, r);
DstStopTime = m_TimeArea.PixelToTime(dstStop, r);
TransitionStartTime = m_TimeArea.PixelToTime(transStart, r);
TransitionStopTime = m_TimeArea.PixelToTime(transStop, r);
GUI.changed = true;
m_DragState = DragStates.None;
hasModifiedData = WasDraggingData();
m_LeftThumbOffset = 0f;
m_RightThumbOffset = 0f;
m_TimeOffset = 0f;
m_DstDragOffset = 0f;
EditorGUIUtility.hotControl = 0;
evt.Use();
}
// draw the background boxes
GUI.Box(headerRect, GUIContent.none, styles.header);
GUI.Box(bodyRect, GUIContent.none, styles.background);
// draw ticks and curves on top of background boxes
m_TimeArea.DrawMajorTicks(bodyRect, 30);
GUIContent srcContent = EditorGUIUtility.TempContent(SrcName);
// draw src Loop
int srcLoopCount = srcLoop ? (1 + (int)((transStop - srcRect.xMin) / (srcRect.xMax - srcRect.xMin))) : 1;
Rect loopRect = srcRect;
if (srcRect.width < 10) // if smaller than 10 pixel, group
{
loopRect = new Rect(srcRect.x, srcRect.y, (srcRect.xMax - srcRect.xMin) * srcLoopCount, srcRect.height);
srcLoopCount = 1;
}
for (int loopSrcIt = 0; loopSrcIt < srcLoopCount; loopSrcIt++)
{
GUI.BeginGroup(loopRect, GUIContent.none, styles.leftBlock);
float widthBefore = transStart - loopRect.xMin;
float widthDuring = transStop - transStart;
float widthAfter = (loopRect.xMax - loopRect.xMin) - (widthBefore + widthDuring);
if (widthBefore > 0)
{
GUI.Box(new Rect(0, 0, widthBefore, srcRect.height), GUIContent.none, styles.onLeft);
}
if (widthDuring > 0)
{
GUI.Box(new Rect(widthBefore, 0, widthDuring, srcRect.height), GUIContent.none, styles.onOff);
}
if (widthAfter > 0)
{
GUI.Box(new Rect(widthBefore + widthDuring, 0, widthAfter, srcRect.height), GUIContent.none, styles.offRight);
}
float srcAlphaTarget = 1f;
float srcLabelRight = styles.block.CalcSize(srcContent).x;
float srcPercentLeft = Mathf.Max(0, widthBefore) - 20;
float srcPercentRight = srcPercentLeft + 15;
if (srcPercentLeft < srcLabelRight && srcPercentRight > 0f && m_DragState == DragStates.LeftSelection)
{
srcAlphaTarget = 0f;
}
GUI.EndGroup();
float srcAlpha = styles.leftBlock.normal.textColor.a;
if (!Mathf.Approximately(srcAlpha, srcAlphaTarget) && Event.current.type == EventType.Repaint)
{
srcAlpha = Mathf.Lerp(srcAlpha, srcAlphaTarget, 0.1f);
styles.leftBlock.normal.textColor = new Color(styles.leftBlock.normal.textColor.r, styles.leftBlock.normal.textColor.g, styles.leftBlock.normal.textColor.b, srcAlpha);
HandleUtility.Repaint();
}
GUI.Box(loopRect, srcContent, styles.leftBlock);
loopRect = new Rect(loopRect.xMax, 85, loopRect.xMax - loopRect.xMin, 32);
}
GUIContent dstContent = EditorGUIUtility.TempContent(DstName);
int dstLoopCount = dstLoop ? (1 + (int)((transStop - dstRect.xMin) / (dstRect.xMax - dstRect.xMin))) : 1;
loopRect = dstRect;
if (dstRect.width < 10) // if smaller than 10 pixel, group
{
loopRect = new Rect(dstRect.x, dstRect.y, (dstRect.xMax - dstRect.xMin) * dstLoopCount, dstRect.height);
dstLoopCount = 1;
}
for (int loopDstIt = 0; loopDstIt < dstLoopCount; loopDstIt++)
{
// draw the DST box
GUI.BeginGroup(loopRect, GUIContent.none, styles.rightBlock);
float widthBefore = transStart - loopRect.xMin;
float widthDuring = transStop - transStart;
float widthAfter = (loopRect.xMax - loopRect.xMin) - (widthBefore + widthDuring);
if (widthBefore > 0)
{
GUI.Box(new Rect(0, 0, widthBefore, dstRect.height), GUIContent.none, styles.offLeft);
}
if (widthDuring > 0)
{
GUI.Box(new Rect(widthBefore, 0, widthDuring, dstRect.height), GUIContent.none, styles.offOn);
}
if (widthAfter > 0)
{
GUI.Box(new Rect(widthBefore + widthDuring, 0, widthAfter, dstRect.height), GUIContent.none, styles.onRight);
}
float dstAlphaTarget = 1f;
float dstLabelRight = styles.block.CalcSize(dstContent).x;
float dstPercentLeft = Mathf.Max(0, widthBefore) - 20;
float dstPercentRight = dstPercentLeft + 15;
if (dstPercentLeft < dstLabelRight && dstPercentRight > 0f && (m_DragState == DragStates.LeftSelection || m_DragState == DragStates.Destination))
{
dstAlphaTarget = 0f;
}
GUI.EndGroup();
float dstAlpha = styles.rightBlock.normal.textColor.a;
if (!Mathf.Approximately(dstAlpha, dstAlphaTarget) && Event.current.type == EventType.Repaint)
{
dstAlpha = Mathf.Lerp(dstAlpha, dstAlphaTarget, 0.1f);
styles.rightBlock.normal.textColor = new Color(styles.rightBlock.normal.textColor.r, styles.rightBlock.normal.textColor.g, styles.rightBlock.normal.textColor.b, dstAlpha);
HandleUtility.Repaint();
}
GUI.Box(loopRect, dstContent, styles.rightBlock);
loopRect = new Rect(loopRect.xMax, loopRect.yMin, loopRect.xMax - loopRect.xMin, 32);
}
// draw the transition selection box in the body
GUI.Box(transRect, GUIContent.none, styles.select);
// draw the transition selection box in the header
GUI.Box(transHeaderRect, GUIContent.none, styles.selectHead);
m_TimeArea.TimeRuler(headerRect, 30);
// draw the thumbs
GUI.Box(leftThumbRect, GUIContent.none, (m_HasExitTime) ? styles.handLeft : styles.handLeftPrev);
GUI.Box(rightThumbRect, GUIContent.none, styles.handRight);
// playhead and bar
GUI.Box(playHeadRect, GUIContent.none, styles.playhead);
Color oldColor = Handles.color;
Handles.color = Color.white;
Handles.DrawLine(new Vector3(playPoint, 19, 0), new Vector3(playPoint, r.height, 0));
Handles.color = oldColor;
bool oneFrameSrc = (SrcStopTime - SrcStartTime) < 1.0f / 30.0f;
bool oneFrameDst = (DstStopTime - DstStartTime) < 1.0f / 30.0f;
// show normalized time label when moving destination state
if (m_DragState == DragStates.Destination && !oneFrameDst)
{
Rect transLabelRect = new Rect(transStart - 50, dstRect.y, 45, dstRect.height);
string transLabel = String.Format("{0:0%}", (transStart - dstStart) / (dstStop - dstStart));
GUI.Box(transLabelRect, EditorGUIUtility.TempContent(transLabel), styles.timeBlockRight);
}
// show normalized time label on left side when moving left edge of transition
if (m_DragState == DragStates.LeftSelection)
{
if (!oneFrameSrc)
{
Rect srcLabelRect = new Rect(transStart - 50, srcRect.y, 45, srcRect.height);
string srcLabel = String.Format("{0:0%}", (transStart - srcStart) / (srcStop - srcStart));
GUI.Box(srcLabelRect, EditorGUIUtility.TempContent(srcLabel), styles.timeBlockRight);
}
if (!oneFrameDst)
{
Rect dstLabelRect = new Rect(transStart - 50, dstRect.y, 45, dstRect.height);
string dstLabel = String.Format("{0:0%}", (transStart - dstStart) / (dstStop - dstStart));
GUI.Box(dstLabelRect, EditorGUIUtility.TempContent(dstLabel), styles.timeBlockRight);
}
}
// show normalized time label on right side when moving right edge of transition
if (m_DragState == DragStates.RightSelection)
{
if (!oneFrameSrc)
{
Rect srcLabelRect = new Rect(transStop + 5, srcRect.y, 45, srcRect.height);
string srcLabel = String.Format("{0:0%}", (transStop - srcStart) / (srcStop - srcStart));
GUI.Box(srcLabelRect, EditorGUIUtility.TempContent(srcLabel), styles.timeBlockLeft);
}
if (!oneFrameDst)
{
Rect dstLabelRect = new Rect(transStop + 5, dstRect.y, 45, dstRect.height);
string dstLabel = String.Format("{0:0%}", (transStop - dstStart) / (dstStop - dstStart));
GUI.Box(dstLabelRect, EditorGUIUtility.TempContent(dstLabel), styles.timeBlockLeft);
}
}
DoPivotCurves();
}
GUI.EndGroup();
return(hasModifiedData);
}
