override public void Apply(Skeleton skeleton, float lastTime, float time, ExposedList <Event> firedEvents, float alpha)
{
float[] frames = this.frames;
if (time < frames[0])
{
return; // Time is before first frame.
}
TransformConstraint constraint = skeleton.transformConstraints.Items[transformConstraintIndex];
if (time >= frames[frames.Length - ENTRIES]) // Time is after last frame.
{
int i = frames.Length;
constraint.rotateMix += (frames[i + PREV_ROTATE] - constraint.rotateMix) * alpha;
constraint.translateMix += (frames[i + PREV_TRANSLATE] - constraint.translateMix) * alpha;
constraint.scaleMix += (frames[i + PREV_SCALE] - constraint.scaleMix) * alpha;
constraint.shearMix += (frames[i + PREV_SHEAR] - constraint.shearMix) * alpha;
return;
}
// Interpolate between the previous frame and the current frame.
int frame = Animation.binarySearch(frames, time, ENTRIES);
float frameTime = frames[frame];
float percent = GetCurvePercent(frame / ENTRIES - 1, 1 - (time - frameTime) / (frames[frame + PREV_TIME] - frameTime));
float rotate = frames[frame + PREV_ROTATE];
float translate = frames[frame + PREV_TRANSLATE];
float scale = frames[frame + PREV_SCALE];
float shear = frames[frame + PREV_SHEAR];
constraint.rotateMix += (rotate + (frames[frame + ROTATE] - rotate) * percent - constraint.rotateMix) * alpha;
constraint.translateMix += (translate + (frames[frame + TRANSLATE] - translate) * percent - constraint.translateMix)
* alpha;
constraint.scaleMix += (scale + (frames[frame + SCALE] - scale) * percent - constraint.scaleMix) * alpha;
constraint.shearMix += (shear + (frames[frame + SHEAR] - shear) * percent - constraint.shearMix) * alpha;
}
/// <returns>May be null.</returns>
public TransformConstraint FindTransformConstraint(String constraintName)
{
if (constraintName == null)
{
throw new ArgumentNullException("constraintName", "constraintName cannot be null.");
}
ExposedList <TransformConstraint> transformConstraints = this.transformConstraints;
for (int i = 0, n = transformConstraints.Count; i < n; i++)
{
TransformConstraint transformConstraint = transformConstraints.Items[i];
if (transformConstraint.data.name == constraintName)
{
return(transformConstraint);
}
}
return(null);
}
/// <summary>Sets the bones and constraints to their setup pose values.</summary>
public void SetBonesToSetupPose()
{
var bonesItems = this.bones.Items;
for (int i = 0, n = bones.Count; i < n; i++)
{
bonesItems[i].SetToSetupPose();
}
var ikConstraintsItems = this.ikConstraints.Items;
for (int i = 0, n = ikConstraints.Count; i < n; i++)
{
IkConstraint constraint = ikConstraintsItems[i];
constraint.bendDirection = constraint.data.bendDirection;
constraint.mix = constraint.data.mix;
}
var transformConstraintsItems = this.transformConstraints.Items;
for (int i = 0, n = transformConstraints.Count; i < n; i++)
{
TransformConstraint constraint = transformConstraintsItems[i];
TransformConstraintData data = constraint.data;
constraint.rotateMix = data.rotateMix;
constraint.translateMix = data.translateMix;
constraint.scaleMix = data.scaleMix;
constraint.shearMix = data.shearMix;
}
var pathConstraintItems = this.pathConstraints.Items;
for (int i = 0, n = pathConstraints.Count; i < n; i++)
{
PathConstraint constraint = pathConstraintItems[i];
PathConstraintData data = constraint.data;
constraint.position = data.position;
constraint.spacing = data.spacing;
constraint.rotateMix = data.rotateMix;
constraint.translateMix = data.translateMix;
}
}
/// <summary>Caches information about bones and constraints. Must be called if bones, constraints or weighted path attachments are added
/// or removed.</summary>
public void UpdateCache()
{
ExposedList <IUpdatable> updateCache = this.updateCache;
updateCache.Clear();
ExposedList <Bone> bones = this.bones;
for (int i = 0, n = bones.Count; i < n; i++)
{
bones.Items[i].sorted = false;
}
ExposedList <IkConstraint> ikConstraints = this.ikConstraintsSorted;
ikConstraints.Clear();
ikConstraints.AddRange(this.ikConstraints);
int ikCount = ikConstraints.Count;
for (int i = 0, level, n = ikCount; i < n; i++)
{
IkConstraint ik = ikConstraints.Items[i];
Bone bone = ik.bones.Items[0].parent;
for (level = 0; bone != null; level++)
{
bone = bone.parent;
}
ik.level = level;
}
for (int i = 1, ii; i < ikCount; i++)
{
IkConstraint ik = ikConstraints.Items[i];
int level = ik.level;
for (ii = i - 1; ii >= 0; ii--)
{
IkConstraint other = ikConstraints.Items[ii];
if (other.level < level)
{
break;
}
ikConstraints.Items[ii + 1] = other;
}
ikConstraints.Items[ii + 1] = ik;
}
for (int i = 0, n = ikConstraints.Count; i < n; i++)
{
IkConstraint constraint = ikConstraints.Items[i];
Bone target = constraint.target;
SortBone(target);
ExposedList <Bone> constrained = constraint.bones;
Bone parent = constrained.Items[0];
SortBone(parent);
updateCache.Add(constraint);
SortReset(parent.children);
constrained.Items[constrained.Count - 1].sorted = true;
}
ExposedList <PathConstraint> pathConstraints = this.pathConstraints;
for (int i = 0, n = pathConstraints.Count; i < n; i++)
{
PathConstraint constraint = pathConstraints.Items[i];
Slot slot = constraint.target;
int slotIndex = slot.data.index;
Bone slotBone = slot.bone;
if (skin != null)
{
SortPathConstraintAttachment(skin, slotIndex, slotBone);
}
if (data.defaultSkin != null && data.defaultSkin != skin)
{
SortPathConstraintAttachment(data.defaultSkin, slotIndex, slotBone);
}
for (int ii = 0, nn = data.skins.Count; ii < nn; ii++)
{
SortPathConstraintAttachment(data.skins.Items[ii], slotIndex, slotBone);
}
PathAttachment attachment = slot.Attachment as PathAttachment;
if (attachment != null)
{
SortPathConstraintAttachment(attachment, slotBone);
}
ExposedList <Bone> constrained = constraint.bones;
int boneCount = constrained.Count;
for (int ii = 0; ii < boneCount; ii++)
{
SortBone(constrained.Items[ii]);
}
updateCache.Add(constraint);
for (int ii = 0; ii < boneCount; ii++)
{
SortReset(constrained.Items[ii].children);
}
for (int ii = 0; ii < boneCount; ii++)
{
constrained.Items[ii].sorted = true;
}
}
ExposedList <TransformConstraint> transformConstraints = this.transformConstraints;
for (int i = 0, n = transformConstraints.Count; i < n; i++)
{
TransformConstraint constraint = transformConstraints.Items[i];
SortBone(constraint.target);
ExposedList <Bone> constrained = constraint.bones;
int boneCount = constrained.Count;
for (int ii = 0; ii < boneCount; ii++)
{
SortBone(constrained.Items[ii]);
}
updateCache.Add(constraint);
for (int ii = 0; ii < boneCount; ii++)
{
SortReset(constrained.Items[ii].children);
}
for (int ii = 0; ii < boneCount; ii++)
{
constrained.Items[ii].sorted = true;
}
}
for (int i = 0, n = bones.Count; i < n; i++)
{
SortBone(bones.Items[i]);
}
}