internal void OnKeyFrameReached(CompositeKeyFrame keyFrame)
{
if (KeyFrameReached != null)
{
KeyFrameReached(keyFrame, EventArgs.Empty);
}
}
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);
}
}
public CompositeBoneTransform GetBoneTransformFromKeyFrame(CompositeKeyFrame keyFrame, String boneReference)
{
foreach (CompositeBoneTransform boneTrans in keyFrame.BoneTransforms)
{
if (boneTrans.BoneReference == boneReference)
{
return(boneTrans);
}
}
throw new Exception("BoneReference \"" + boneReference
+ "\" not found in keyframe \"" + keyFrame.Name + "\"");
}
/// <summary>
/// Removes a children from this bone
/// </summary>
public void RemoveChildBone(CompositeBone childBone)
{
// 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];
// remove the entry AND its children entries
RemoveBoneTransformEntry(keyframe.BoneTransforms, childBone);
}
}
// remove the bone
this.ChildBones.Remove(childBone);
}
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 void CopyValuesTo(CompositeKeyFrame target, CompositeAnimation newParent)
{
target.Parent = newParent;
target.Name = this.Name;
target.Duration = this.Duration;
// copy CompositeBoneTransforms
for (int i = 0; i < this.BoneTransforms.Count; i++)
{
// if no transform is available
if (target.BoneTransforms.Count <= i)
{
target.BoneTransforms.Add(new CompositeBoneTransform());
}
this.BoneTransforms[i].CopyValuesTo(target.BoneTransforms[i], target);
}
// Remove remaining types (can cause garbage!)
for (int i = target.BoneTransforms.Count; i > this.BoneTransforms.Count; i--)
{
target.BoneTransforms.RemoveAt(i - 1);
}
}
/// <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 Update(float elapsed)
{
if (Parent == null)
{
throw new Exception("The Parent of this animation isn't set");
}
int lastFrameIndex = _currentKeyFrameIndex;
if (_keyFrames.Count > 0 && this.IsPlaying == true)
{
// Get the current frame index
int _lifeAccumulator = 0;
for (int i = 0; i < _keyFrames.Count; i++)
{
_currentKeyFrameIndex = i;
int duration = _keyFrames[i].Duration;
if (duration < 1)
{
duration = 1;
}
_lifeAccumulator += duration;
if (_lifeAccumulator > _currentLife)
{
break;
}
// if we went over the maxium
else if (i == _keyFrames.Count - 1)
{
_currentLife = _lifeAccumulator;
break;
}
}
CompositeKeyFrame currentKeyFrame = _keyFrames[_currentKeyFrameIndex];
if (_currentKeyFrameIndex != lastFrameIndex)
{
this.Parent.OnKeyFrameReached(currentKeyFrame);
}
CompositeKeyFrame nextKeyFrame = null;
// get the next key frame
if (_currentKeyFrameIndex < _keyFrames.Count - 1)
{
nextKeyFrame = _keyFrames[_currentKeyFrameIndex + 1];
}
// if we've reached the last frame
else if (_currentKeyFrameIndex == _keyFrames.Count - 1)
{
if (this.LerpLastFrameWithFirst == true)
{
nextKeyFrame = _keyFrames[0];
}
else
{
nextKeyFrame = currentKeyFrame;
}
}
int currentKeyFrameDuration = currentKeyFrame.Duration;
if (currentKeyFrameDuration < 1)
{
currentKeyFrameDuration = 1;
}
float life = _currentLife - (_lifeAccumulator - currentKeyFrameDuration);
//if (Parent.CurrentAnimationID == 1)
//{
// Console.WriteLine(Parent.CurrentAnimation.Name + "] Update key: "
// + _currentKeyFrameIndex + "] life: " + life + "/" + currentKeyFrameDuration);
//}
currentKeyFrame.LerpKeyFrameWith(nextKeyFrame, life);
currentKeyFrame.Update(elapsed);
_currentLife += _speed;
// if we reach the end of the last keyframe, we need to loop
if (_currentKeyFrameIndex == _keyFrames.Count - 1 && _lifeAccumulator <= _currentLife)
{
if (_loopMax > 0 && _loopCounter >= _loopMax - 1)
{
EndAnim();
}
else
{
_loopCounter++;
_currentLife = 0;
}
this.Parent.OnEndOfAnimLoopReached(this);
}
}
}
