DIvan2000/ReplayModCinematic
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Fix interpolator being lost when moving keyframe to the end (fixes #62)

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This commit is contained in:
johni0702
2017-04-13 20:39:45 +02:00
parent fcbbbc9ea1
commit 0c1dc658ad
4 changed files with 75 additions and 13 deletions
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37
src/main/java/com/replaymod/simplepathing/SPTimeline.java
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@@ -340,13 +340,15 @@ public class SPTimeline implements PathingRegistry {
Optional<Interpolator> firstInterpolator =
path.getSegments().stream().findFirst().map(PathSegment::getInterpolator);
// The interpolator of the previous segment
Optional<Interpolator> interpolatorBefore =
path.getSegments().stream().filter(s -> s.getEndKeyframe() == keyframe).findFirst().map(PathSegment::getInterpolator);
// The interpolator of the following segment
Optional<Interpolator> interpolatorAfter =
path.getSegments().stream().filter(s -> s.getStartKeyframe() == keyframe).findFirst().map(PathSegment::getInterpolator);
// The interpolator that will be lost once we remove the old keyframe and has to be restored afterwards
Optional<Interpolator> lostInterpolator = path.getSegments().stream().filter(s -> {
// If this is the last keyframe,
if (Iterables.getLast(path.getKeyframes()) == keyframe) {
return s.getEndKeyframe() == keyframe; // the previous interpolator will be lost
} else { // otherwise
return s.getStartKeyframe() == keyframe; // the following interpolator will be lost
}
}).findFirst().map(PathSegment::getInterpolator);
// First remove the old keyframe
Change removeChange = create(path, keyframe);
@@ -369,18 +371,27 @@ public class SPTimeline implements PathingRegistry {
Keyframe newKf = path.getKeyframe(newTime);
if (Iterables.getLast(path.getKeyframes()) != newKf) { // Unless this is the last keyframe
// the interpolator of the following segment has been lost and needs to be restored
restoreInterpolatorChange = interpolatorAfter.<Change>flatMap(interpolator ->
restoreInterpolatorChange = lostInterpolator.<Change>flatMap(interpolator ->
path.getSegments().stream().filter(s -> s.getStartKeyframe() == newKf).findFirst().map(segment ->
SetInterpolator.create(segment, interpolator)
)
).orElseGet(CombinedChange::create);
} else { // If it is the last keyframe however,
// the interpolator of the previous segment has been lost and needs to be restored
restoreInterpolatorChange = interpolatorBefore.<Change>flatMap(interpolator ->
path.getSegments().stream().filter(s -> s.getEndKeyframe() == newKf).findFirst().map(segment ->
SetInterpolator.create(segment, interpolator)
)
).orElseGet(CombinedChange::create);
restoreInterpolatorChange = path.getSegments().stream().filter(s -> s.getEndKeyframe() == newKf)
.findFirst().flatMap(segment -> lostInterpolator.map(interpolator -> {
// additionally, if the interpolation of this keyframe was set to explicit, that property
// has to be transferred to the start keyframe of the new segment
if (newKf.getValue(ExplicitInterpolationProperty.PROPERTY).isPresent()) {
return CombinedChange.create(
SetInterpolator.create(segment, interpolator),
UpdateKeyframeProperties.create(path, segment.getStartKeyframe())
.setValue(ExplicitInterpolationProperty.PROPERTY, ObjectUtils.NULL).done()
);
} else {
return SetInterpolator.create(segment, interpolator);
}
})).orElseGet(CombinedChange::create);
}
restoreInterpolatorChange.apply(timeline);