private static void ApplyRotateTimeline(RotateTimeline rotateTimeline, Skeleton skeleton, float time, float alpha, MixPose pose, float[] timelinesRotation, int i, bool firstFrame)
{
if (firstFrame)
{
timelinesRotation[i] = 0f;
}
if (alpha == 1f)
{
rotateTimeline.Apply(skeleton, 0f, time, null, 1f, pose, MixDirection.In);
return;
}
Bone bone = skeleton.bones.Items[rotateTimeline.boneIndex];
float[] frames = rotateTimeline.frames;
if (time < frames[0])
{
if (pose == MixPose.Setup)
{
bone.rotation = bone.data.rotation;
}
return;
}
float num;
if (time >= frames[frames.Length - 2])
{
num = bone.data.rotation + frames[frames.Length + -1];
}
else
{
int num2 = Animation.BinarySearch(frames, time, 2);
float num3 = frames[num2 + -1];
float num4 = frames[num2];
float curvePercent = rotateTimeline.GetCurvePercent((num2 >> 1) - 1, 1f - (time - num4) / (frames[num2 + -2] - num4));
num = frames[num2 + 1] - num3;
num -= (float)((16384 - (int)(16384.499999999996 - (double)(num / 360f))) * 360);
num = num3 + num * curvePercent + bone.data.rotation;
num -= (float)((16384 - (int)(16384.499999999996 - (double)(num / 360f))) * 360);
}
float num5 = (pose != 0) ? bone.rotation : bone.data.rotation;
float num6 = num - num5;
float num7;
if (num6 == 0f)
{
num7 = timelinesRotation[i];
}
else
{
num6 -= (float)((16384 - (int)(16384.499999999996 - (double)(num6 / 360f))) * 360);
float num8;
float value;
if (firstFrame)
{
num8 = 0f;
value = num6;
}
else
{
num8 = timelinesRotation[i];
value = timelinesRotation[i + 1];
}
bool flag = num6 > 0f;
bool flag2 = num8 >= 0f;
if (Math.Sign(value) != Math.Sign(num6) && Math.Abs(value) <= 90f)
{
if (Math.Abs(num8) > 180f)
{
num8 += (float)(360 * Math.Sign(num8));
}
flag2 = flag;
}
num7 = num6 + num8 - num8 % 360f;
if (flag2 != flag)
{
num7 += (float)(360 * Math.Sign(num8));
}
timelinesRotation[i] = num7;
}
timelinesRotation[i + 1] = num6;
num5 += num7 * alpha;
bone.rotation = num5 - (float)((16384 - (int)(16384.499999999996 - (double)(num5 / 360f))) * 360);
}
static private void ApplyRotateTimeline(RotateTimeline rotateTimeline, Skeleton skeleton, float time, float alpha, bool setupPose,
float[] timelinesRotation, int i, bool firstFrame)
{
if (firstFrame)
{
timelinesRotation[i] = 0;
}
if (alpha == 1)
{
rotateTimeline.Apply(skeleton, 0, time, null, 1, setupPose, false);
return;
}
Bone bone = skeleton.bones.Items[rotateTimeline.boneIndex];
float[] frames = rotateTimeline.frames;
if (time < frames[0])
{
if (setupPose)
{
bone.rotation = bone.data.rotation;
}
return;
}
float r2;
if (time >= frames[frames.Length - RotateTimeline.ENTRIES]) // Time is after last frame.
{
r2 = bone.data.rotation + frames[frames.Length + RotateTimeline.PREV_ROTATION];
}
else
{
// Interpolate between the previous frame and the current frame.
int frame = Animation.BinarySearch(frames, time, RotateTimeline.ENTRIES);
float prevRotation = frames[frame + RotateTimeline.PREV_ROTATION];
float frameTime = frames[frame];
float percent = rotateTimeline.GetCurvePercent((frame >> 1) - 1,
1 - (time - frameTime) / (frames[frame + RotateTimeline.PREV_TIME] - frameTime));
r2 = frames[frame + RotateTimeline.ROTATION] - prevRotation;
r2 -= (16384 - (int)(16384.499999999996 - r2 / 360)) * 360;
r2 = prevRotation + r2 * percent + bone.data.rotation;
r2 -= (16384 - (int)(16384.499999999996 - r2 / 360)) * 360;
}
// Mix between rotations using the direction of the shortest route on the first frame while detecting crosses.
float r1 = setupPose ? bone.data.rotation : bone.rotation;
float total, diff = r2 - r1;
if (diff == 0)
{
total = timelinesRotation[i];
}
else
{
diff -= (16384 - (int)(16384.499999999996 - diff / 360)) * 360;
float lastTotal, lastDiff;
if (firstFrame)
{
lastTotal = 0;
lastDiff = diff;
}
else
{
lastTotal = timelinesRotation[i]; // Angle and direction of mix, including loops.
lastDiff = timelinesRotation[i + 1]; // Difference between bones.
}
bool current = diff > 0, dir = lastTotal >= 0;
// Detect cross at 0 (not 180).
if (Math.Sign(lastDiff) != Math.Sign(diff) && Math.Abs(lastDiff) <= 90)
{
// A cross after a 360 rotation is a loop.
if (Math.Abs(lastTotal) > 180)
{
lastTotal += 360 * Math.Sign(lastTotal);
}
dir = current;
}
total = diff + lastTotal - lastTotal % 360; // Store loops as part of lastTotal.
if (dir != current)
{
total += 360 * Math.Sign(lastTotal);
}
timelinesRotation[i] = total;
}
timelinesRotation[i + 1] = diff;
r1 += total * alpha;
bone.rotation = r1 - (16384 - (int)(16384.499999999996 - r1 / 360)) * 360;
}
private static void ApplyRotateTimeline(RotateTimeline rotateTimeline, Skeleton skeleton, float time, float alpha, MixPose pose, float[] timelinesRotation, int i, bool firstFrame)
{
if (firstFrame)
{
timelinesRotation[i] = 0f;
}
if (alpha == 1f)
{
rotateTimeline.Apply(skeleton, 0f, time, null, 1f, pose, MixDirection.In);
}
else
{
Bone bone = skeleton.bones.Items[rotateTimeline.boneIndex];
float[] frames = rotateTimeline.frames;
if (time < frames[0])
{
if (pose == MixPose.Setup)
{
bone.rotation = bone.data.rotation;
}
}
else
{
float num;
float num7;
if (time >= frames[frames.Length - 2])
{
num = bone.data.rotation + frames[frames.Length + -1];
}
else
{
int index = Animation.BinarySearch(frames, time, 2);
float num3 = frames[index + -1];
float num4 = frames[index];
float curvePercent = rotateTimeline.GetCurvePercent((index >> 1) - 1, 1f - ((time - num4) / (frames[index + -2] - num4)));
num = frames[index + 1] - num3;
num -= (0x4000 - ((int)(16384.499999999996 - (num / 360f)))) * 360;
num = (num3 + (num * curvePercent)) + bone.data.rotation;
num -= (0x4000 - ((int)(16384.499999999996 - (num / 360f)))) * 360;
}
float num6 = (pose != MixPose.Setup) ? bone.rotation : bone.data.rotation;
float num8 = num - num6;
if (num8 == 0f)
{
num7 = timelinesRotation[i];
}
else
{
float num9;
float num10;
num8 -= (0x4000 - ((int)(16384.499999999996 - (num8 / 360f)))) * 360;
if (firstFrame)
{
num9 = 0f;
num10 = num8;
}
else
{
num9 = timelinesRotation[i];
num10 = timelinesRotation[i + 1];
}
bool flag = num8 > 0f;
bool flag2 = num9 >= 0f;
if ((Math.Sign(num10) != Math.Sign(num8)) && (Math.Abs(num10) <= 90f))
{
if (Math.Abs(num9) > 180f)
{
num9 += 360 * Math.Sign(num9);
}
flag2 = flag;
}
num7 = (num8 + num9) - (num9 % 360f);
if (flag2 != flag)
{
num7 += 360 * Math.Sign(num9);
}
timelinesRotation[i] = num7;
}
timelinesRotation[i + 1] = num8;
num6 += num7 * alpha;
bone.rotation = num6 - ((0x4000 - ((int)(16384.499999999996 - (num6 / 360f)))) * 360);
}
}
}