public void LerpKeyFrameWith(CompositeKeyFrame nextFrame, float currentLife)
{
float amount = MathHelper.Clamp(currentLife / this._duration, 0, 1);
//Console.WriteLine("--- Lerping frame with amount: " + amount);
if (Parent.Parent.RootBone != null)
{
// call the LerpBone on the root, and it will spread to all child bones using Recursivity
CompositeBoneTransform boneTransform = GetBoneTransformFromKeyFrame(this, Parent.Parent.RootBone.Name);
LerpBone(boneTransform, nextFrame, amount);
}
}
private void AddBoneTransformFromBone(CompositeBone bone)
{
CompositeBoneTransform newBoneTrans = new CompositeBoneTransform("");
newBoneTrans.Parent = this;
newBoneTrans.BoneReference = bone.Name;
_boneTransforms.Add(newBoneTrans);
for (int i = 0; i < bone.ChildBones.Count; i++)
{
AddBoneTransformFromBone(bone.ChildBones[i]);
}
}
public void CopyValuesTo(CompositeBoneTransform target, CompositeKeyFrame newParent)
{
target.Parent = newParent;
target.SceneItem = this.SceneItem;
target.SubItem = this.SubItem;
target.Position = this.Position;
target.Scale = this.Scale;
target.Rotation = this.Rotation;
target.Opacity = this.Opacity;
target.FlipHorizontal = this.FlipHorizontal;
target.FlipVertical = this.FlipVertical;
target.IsVisible = this.IsVisible;
target.BoneReference = this.BoneReference;
target.InheritPosition = this.InheritPosition;
target.InheritRotation = this.InheritRotation;
target.InheritScale = this.InheritScale;
target.InheritVisibility = this.InheritVisibility;
}
public void LerpBone(CompositeBoneTransform boneTransform, CompositeKeyFrame nextFrame, float amount)
{
CompositeBoneTransform nextTransform;
if (boneTransform.Bone.Interpolate == true)
{
nextTransform = GetBoneTransformFromKeyFrame(nextFrame, boneTransform.BoneReference);
}
else
{
nextTransform = GetBoneTransformFromKeyFrame(
this.Parent.Parent.Animations[0].KeyFrames[0], boneTransform.BoneReference);
}
boneTransform.LerpSceneItemWith(nextTransform, amount, !boneTransform.Bone.Interpolate);
foreach (CompositeBone bone in boneTransform.Bone.ChildBones)
{
CompositeBoneTransform childBoneTransform = GetBoneTransformFromKeyFrame(this, bone.Name);
LerpBone(childBoneTransform, nextFrame, amount);
}
}
public bool GetVisibilityState(CompositeBoneTransform parentTransform)
{
if (this.Bone.MasterVisibility.HasValue == true)
{
return(this.Bone.MasterVisibility.Value);
}
if (parentTransform != null && this.InheritVisibility.HasValue == false && this.Bone.InheritVisibility == true ||
this.InheritVisibility.HasValue == true && this.InheritVisibility == true)
{
if (parentTransform.Bone.MasterVisibility.HasValue == true)
{
return(parentTransform.Bone.MasterVisibility.Value);
}
else if (parentTransform.CurrentVisibility == false)
{
return(false);
}
}
return(_isVisible);
}
/// <summary>
/// Insert a children bone at specific index
/// </summary>
public void InsertChildBone(int index, CompositeBone childBone)
{
index = SquidMath.Clamp(index, 0, _childBones.Count);
_childBones.Insert(index, childBone);
childBone.ParentBone = this;
childBone.Parent = this.Parent;
CompositeBone precedingBone;
if (index == 0)
{
precedingBone = this;
}
else
{
precedingBone = this.ChildBones[index - 1];
}
// sync transforms
for (int i = 0; i < Parent.Animations.Count; i++)
{
// loop through every keyframe to sync them
for (int j = 0; j < Parent.Animations[i].KeyFrames.Count; j++)
{
CompositeKeyFrame keyframe = Parent.Animations[i].KeyFrames[j];
// loop to find the previous bone
for (int k = 0; k < keyframe.BoneTransforms.Count; k++)
{
CompositeBoneTransform transform = keyframe.BoneTransforms[k];
if (transform.Bone.Equals(precedingBone))
{
CompositeBoneTransform newTransform = new CompositeBoneTransform();
newTransform.Parent = keyframe;
newTransform.BoneReference = childBone.Name;
// insert the new bone just after the preceding bone
keyframe.BoneTransforms.Insert(k + 1, newTransform);
}
}
}
}
}
public void AddCompositeBoneTransform(CompositeBoneTransform compositeBoneTransform)
{
BoneTransforms.Add(compositeBoneTransform);
compositeBoneTransform.Parent = this;
}
public void LerpSceneItemWith(CompositeBoneTransform nextState, float amount, bool nextStateOverride)
{
// original is only used when bone.Interpolate is set to false, and refer to the 1st KF of the 1st anim
SceneItem item = GetSceneItem();
String subItem = GetSubItem();
if (String.IsNullOrEmpty(subItem) == false && item is ISubItemCollection)
{
((ISubItemCollection)item).SetCurrentSubItem(subItem);
}
if (item != null)
{
item.Update(1 / 60f);
amount = MathHelper.Clamp(amount, 0, 1);
CompositeEntity parentEntity = Parent.Parent.Parent;
CompositeBoneTransform parentTransform = this.ParentBoneTransform;
_currentVisibleState = GetVisibilityState(parentTransform);
if (_currentVisibleState == false)
{
return;
}
bool nextStateVisibility = nextState.GetVisibilityState(nextState.ParentBoneTransform);
// no lerping if the next state isnt visible
if (nextStateVisibility == false)
{
nextState = this;
}
if (nextStateOverride == true)
{
_position = nextState.Position;
_scale = nextState.Scale;
_rotation = nextState.Rotation;
}
else
{
_position = Vector2.Lerp(this.Position, nextState.Position, amount);
_scale = Vector2.Lerp(this.Scale, nextState.Scale, amount);
_rotation = MathHelper.Lerp(this.Rotation, nextState.Rotation, amount);
}
if (this.Opacity.HasValue == true || nextState.Opacity.HasValue == true)
{
if (this.Opacity.HasValue == true && nextState.Opacity.HasValue == false)
{
_opacity = this.Opacity.Value;
}
else if (this.Opacity.HasValue == false && nextState.Opacity.HasValue == true)
{
_opacity = nextState.Opacity.Value;
}
else
{
_opacity = SquidMath.Lerp(this.Opacity.Value, nextState.Opacity.Value, amount);
}
}
else
{
_opacity = null;
}
_transformPivot = item.GetAbsolutePivot(false);
item.FlipHorizontal = parentEntity.FlipHorizontal ^ this.FlipHorizontal;
item.FlipVertical = parentEntity.FlipVertical ^ this.FlipVertical;
if (parentEntity.FlipHorizontal == true)
{
_position.X = -_position.X;
_transformPivot.X = item.BoundingRectSize.X - _transformPivot.X;
_rotation = -_rotation;
}
if (parentEntity.FlipVertical == true)
{
_position.Y = -_position.Y;
_transformPivot.Y = item.BoundingRectSize.Y - _transformPivot.Y;
_rotation = -_rotation;
}
if (parentEntity.Scale != Vector2.One)
{
_position *= parentEntity.Scale;
}
if (parentEntity.Rotation != 0)
{
Vector2 offset = _position;
float length = offset.Length();
double angle = Math.Atan2((float)offset.Y, (float)offset.X) + parentEntity.Rotation;
offset.X = (float)(length * Math.Cos(angle));
offset.Y = (float)(length * Math.Sin(angle));
_position = offset;
}
if (parentTransform != null)
{
if (this.InheritRotation.HasValue == false && this.Bone.InheritRotation == true ||
this.InheritRotation.HasValue == true && this.InheritRotation == true)
{
_rotation += parentTransform.CurrentRotation;
}
if (this.InheritScale.HasValue == false && this.Bone.InheritScale == true ||
this.InheritScale.HasValue == true && this.InheritScale == true)
{
_scale *= parentTransform.CurrentScale;
}
if (this.InheritPosition.HasValue == false && this.Bone.InheritPosition == true ||
this.InheritPosition.HasValue == true && this.InheritPosition == true)
{
Vector2 offset = _position;
float length = offset.Length();
double angle = Math.Atan2((float)offset.Y, (float)offset.X) + parentTransform._rotation;
offset.X = (float)(length * Math.Cos(angle));
offset.Y = (float)(length * Math.Sin(angle));
_position = parentTransform.CurrentPosition + offset;
}
}
}
}
