private static void writeKeyFramePropertiesBlock(KeyFrame k, Stream s)
{
List<byte> bytes = new List<byte>();
bytes.AddRange(BitConverter.GetBytes((ushort)4));
if (k.type != 4 && k.type != 3)
{
bytes.AddRange(BitConverter.GetBytes(true));
bytes.Add((byte)k.figColor.A);
bytes.Add((byte)k.figColor.R);
bytes.Add((byte)k.figColor.G);
bytes.Add((byte)k.figColor.B);
}
else if (k.type == 3)
{
RectFrame x = (RectFrame)k;
bytes.AddRange(BitConverter.GetBytes(x.filled));
bytes.Add((byte)x.figColor.A);
bytes.Add((byte)x.figColor.R);
bytes.Add((byte)x.figColor.G);
bytes.Add((byte)x.figColor.B);
Color outlineColor = k.Joints[0].color;
bytes.Add((byte)outlineColor.A);
bytes.Add((byte)outlineColor.R);
bytes.Add((byte)outlineColor.G);
bytes.Add((byte)outlineColor.B);
}
else
{
bytes.AddRange(BitConverter.GetBytes(false));
bytes.AddRange(new byte[4]);
}
if (k.type == 2)
{
bytes.Add((byte)k.Joints[0].thickness);
}
bytes.InsertRange(0, BitConverter.GetBytes(bytes.Count));
s.Write(bytes.ToArray(), 0, bytes.Count);
}
public void doDisplay(int pos, bool current = true)
{
bool render = false; int imid = -1;
if (keyFrames == null)
return;
//Binary search for the frame that has the specified position
//Binary searches only work on sorted lists, and since the keyframes are always sorted based on position, this works nicely.
int end = keyFrames.Count, start = 0, npos = -1;
if (pos > lastKF || pos < firstKF)
{
tweenFig.isDrawn = false;
}
else
{
while (end >= start)
{
imid = (end + start) >> 1; //equivilent to / 2
try
{
npos = keyFrames[imid].pos;
}
catch
{
selectedFrame = -1;
break;
}
if (npos < pos)
{
start = imid + 1;
}
else if (npos > pos)
end = imid - 1;
else
{
render = true;
fig.Joints = keyFrames[imid].Joints;
if (fig.type == 3)
{
fig.figColor = keyFrames[imid].figColor;
}
if (!(tweenFig == null))
tweenFig.drawFig = false;
break;
}
}
}
if (!render)
{
if (pos > firstKF && pos < lastKF)
{
KeyFrame s = keyFrames[start], e = keyFrames[end];
adjacentBack = s; adjacentFront = e;
float percent = (float)(pos - s.pos) / (e.pos - s.pos);
List<StickJoint> ps = e.Joints;
tweenFig.drawFig = true;
for (int a = 0; a < tweenFig.Joints.Count; a++)
{
tweenFig.Joints[a].location = ps[a].location;
tweenFig.Joints[a].Tween(s.Joints[a], ps[a], percent);
}
}
else
{
tweenFig.isDrawn = false;
}
}
fig.drawFig = render;
fig.drawHandles = render & current;
fig.isActiveFig = true;
selectedFrame = render ? imid : -1;
if (current)
{
Timeline.frm_selInd = selectedFrame;
if(fig.type == 3)
Canvas.activeFigure.figColor = keyFrames[imid].figColor;
}
}
private static void writeFrameBlock(KeyFrame f, Stream stream)
{
byte type = f.type;
List<byte> bytes = new List<byte>();
bytes.AddRange(BitConverter.GetBytes((ushort)2));
bytes.AddRange(BitConverter.GetBytes(f.pos));
bytes.InsertRange(0, BitConverter.GetBytes(bytes.Count));
stream.Write(bytes.ToArray(), 0, bytes.Count);
writeKeyFramePropertiesBlock(f, stream);
writePositionsBlock(f.Joints.ToArray(), stream);
List<byte> b2 = new List<byte>();
b2.AddRange(BitConverter.GetBytes((int)3));
b2.AddRange(BitConverter.GetBytes((ushort)3));
b2.Add(0);
stream.Write(b2.ToArray(), 0, 7);
}