public override void OnDrag(Vector2 pos)
{
int frame = FrameUtil.PosToFrame(pos.x);
if (!hasModify)
{
if (frame != hitResult.Frame)
{
hasModify = true;
view.RegistUndo("move clip");
}
}
if (hasModify)
{
if (hitResult.HitPart == FrameClipHitPartType.LeftCtrl)
{
foreach (var clipRef in view.SelectedClips)
{
int startFrame = clipRef.Clip.StartFrame - (frame - lastFrame);
startFrame = Mathf.Clamp(startFrame, 0, view.FrameCount - 1);
clipRef.Clip.StartFrame = startFrame;
}
}
else if (hitResult.HitPart == FrameClipHitPartType.RightCtrl)
{
}
lastFrame = frame;
TrackUtil.UpdateAllTrack(view.Asset);
}
}
public static void RemoveSelectedClip(this FrameLineView view)
{
view.RegistUndo("remove clips");
foreach (var clipRef in view.SelectedClips)
{
view.Asset.RemoveClip(clipRef);
}
view.SelectedClips.Clear();
TrackUtil.UpdateAllTrack(view.Asset);
}
public static void MoveSelectedClip(this FrameLineView view, int offsetFrame)
{
foreach (var clipRef in view.SelectedClips)
{
int startFrame = clipRef.Clip.StartFrame - offsetFrame;
startFrame = Mathf.Clamp(startFrame, 0, view.FrameCount - 1);
clipRef.Clip.StartFrame = startFrame;
}
TrackUtil.UpdateAllTrack(view.Asset);
}
public static void MoveClipEnd(this FrameLineView view, FrameClipRef clipRef, int frame)
{
if (frame >= view.FrameCount)
{
return;
}
if (clipRef.Clip.Length <= 0 && frame == (view.FrameCount - 1))
{
return;
}
clipRef.Clip.Length = frame - clipRef.Clip.StartFrame + 1;
var track = view.Asset.FindTrack(clipRef.Clip.TrackID);
TrackUtil.UpdateClipTrackIndex(track);
}
public static void MoveClipStart(this FrameLineView view, FrameClipRef clipRef, int frame)
{
if (frame < 0)
{
return;
}
int lastStart = clipRef.Clip.StartFrame;
clipRef.Clip.StartFrame = frame;
if (clipRef.Clip.Length > 0)
{
int length = clipRef.Clip.Length + (frame - lastStart);
clipRef.Clip.Length = Mathf.Max(length, 1);
}
var track = view.Asset.FindTrack(clipRef.Clip.TrackID);
TrackUtil.UpdateClipTrackIndex(track);
}
public bool OnDraw(Vector2 size)
{
int showTrackCount = TrackUtil.GetVisableTrackCount(Asset);
float frameHeight = showTrackCount * (ViewStyles.ClipHeight + ViewStyles.ClipVInterval) + ViewStyles.ClipVInterval;
float framWidth = Asset.FrameCount * ViewStyles.FrameWidth + 10;
//滚动位置
float xOffset = ScrollPos.x * framWidth;
float yOffset = ScrollPos.y * frameHeight;
VisableFrameStart = Mathf.FloorToInt(xOffset / ViewStyles.FrameWidth);
VisableTrackStart = Mathf.FloorToInt(yOffset / (ViewStyles.FrameWidth + ViewStyles.ClipVInterval));
//轨道头部
Rect trackHeadRect = new Rect(0, 0, ViewStyles.TrackHeadWidth, size.y - ViewStyles.ScrollBarSize);
bool rePaint = false;
using (new GUILayout.AreaScope(trackHeadRect))
{
//轨道头部按钮区域
using (new GUILayout.AreaScope(new Rect(0, 0, trackHeadRect.width, ViewStyles.FrameBarHeight), "", EditorStyles.toolbar))
{
using (new GUILayout.HorizontalScope())
{
DrawToolBar();
}
}
Rect rect = new Rect(0, ViewStyles.FrameBarHeight, trackHeadRect.width, trackHeadRect.height - ViewStyles.FrameBarHeight);
VisableTrackEnd = Mathf.CeilToInt((rect.height + yOffset - VisableTrackStart * (ViewStyles.ClipHeight + ViewStyles.ClipVInterval)) / (ViewStyles.ClipHeight + ViewStyles.ClipVInterval));
//轨道头部
using (new GUI.ClipScope(rect))
{
//滚动位置
Rect viewRect = new Rect(0, -yOffset, trackHeadRect.width, frameHeight);
using (new GUILayout.AreaScope(viewRect))
{
var e = Event.current;
if (viewRect.Contains(e.mousePosition))
{
rePaint |= OnTrackHeadEvent(e);
}
DrawTrackHead();
}
}
}
//轨道区域大小
Vector2 trackAreaSize = new Vector2(framWidth, frameHeight);
//轨道区域
Rect frameRect = new Rect(ViewStyles.TrackHeadWidth, 0, size.x - ViewStyles.TrackHeadWidth - ViewStyles.ScrollBarSize, size.y - ViewStyles.ScrollBarSize);
//轨道在窗口中显示的大小
Vector2 trackAreaInViewSize = new Vector2(frameRect.width, frameRect.height - ViewStyles.FrameBarHeight);
using (new GUI.ClipScope(frameRect))
{
VisableFrameEnd = Mathf.CeilToInt((frameRect.width + xOffset - VisableFrameStart * ViewStyles.FrameWidth) / ViewStyles.FrameWidth) + VisableFrameStart;
//画帧标号背景条
GUI.Box(new Rect(0, 0, frameRect.width, ViewStyles.FrameBarHeight), "");
//帧长度区域|<-所有帧->|，水平滚动区域
using (new GUILayout.AreaScope(new Rect(-xOffset, 0, framWidth, frameRect.height)))
{
DrawFrameLineBackGround(new Rect(new Vector2(xOffset, 0), frameRect.size));
{
var e = Event.current;
if (e.mousePosition.y < ViewStyles.FrameBarHeight)
{
rePaint |= OnFrameBarEvent(e);
}
}
//轨道条区域
using (new GUI.ClipScope(new Rect(0, ViewStyles.FrameBarHeight, framWidth, frameHeight)))
{
Rect trackViewRect = new Rect(0, -yOffset, framWidth, frameHeight);
using (new GUILayout.AreaScope(trackViewRect))
{
var e = Event.current;
Vector2 mousePos = e.mousePosition;
bool mouseInView = trackViewRect.Contains(mousePos);
if (mouseInView || dragOperate != null)
{
rePaint |= OnFrameClipsEvent(e);
}
DrawFrameClips(mouseInView, mousePos);
}
}
}
}
Rect vBarRect = new Rect(size.x - ViewStyles.ScrollBarSize, 0, ViewStyles.ScrollBarSize, size.y - ViewStyles.ScrollBarSize);
float vSize = Mathf.Clamp01(trackAreaInViewSize.y / trackAreaSize.y);
ScrollPos.y = GUI.VerticalScrollbar(vBarRect, ScrollPos.y, vSize, 0, 1);
Rect hBarRect = new Rect(ViewStyles.TrackHeadWidth, size.y - ViewStyles.ScrollBarSize, size.x - ViewStyles.TrackHeadWidth - ViewStyles.ScrollBarSize, ViewStyles.ScrollBarSize);
float hSize = Mathf.Clamp01(trackAreaInViewSize.x / trackAreaSize.x);
ScrollPos.x = GUI.HorizontalScrollbar(hBarRect, ScrollPos.x, hSize, 0, 1);
return(rePaint);
}
