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[cpp] Fixed AnimationState not respecting MixBlend.first for rotate timelines. See #1274.

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This commit is contained in:
badlogic 2019-02-12 14:24:24 +01:00
parent 2843950e18
commit c0277ff12b
1 changed files with 26 additions and 21 deletions
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47
spine-cpp/spine-cpp/src/spine/AnimationState.cpp
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@ -642,34 +642,39 @@ void AnimationState::applyRotateTimeline(RotateTimeline *rotateTimeline, Skeleto
Bone *bone = skeleton._bones[rotateTimeline->_boneIndex];
Vector<float>& frames = rotateTimeline->_frames;
float r1, r2;
if (time < frames[0]) {
if (blend == MixBlend_Setup) {
bone->_rotation = bone->_data._rotation;
switch (blend) {
case MixBlend_Setup:
bone->_rotation = bone->_data._rotation;
default:
return;
case MixBlend_First:
r1 = bone->_rotation;
r2 = bone->_data._rotation;
}
return;
}
float r2;
if (time >= frames[frames.size() - RotateTimeline::ENTRIES]) {
// Time is after last frame.
r2 = bone->_data._rotation + frames[frames.size() + 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));
r1 = blend == MixBlend_Setup ? bone->_data._rotation : bone->_rotation;
if (time >= frames[frames.size() - RotateTimeline::ENTRIES]) {
// Time is after last frame.
r2 = bone->_data._rotation + frames[frames.size() + 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;
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 = blend == MixBlend_Setup ? bone->_data._rotation : bone->_rotation;
float total, diff = r2 - r1;
diff -= (16384 - (int) (16384.499999999996 - diff / 360)) * 360;
if (diff == 0) {