protected void GenerateFrame(int indexNumber, AnimationFrame[] resKeyFrames, ShapeElement[] elements, Dictionary <int, AnimationJoint> jointsById, float[] modelMatrix, List <ElementPose> transforms, bool recursive = true)
{
int frameNumber = resKeyFrames[indexNumber].FrameNumber;
for (int i = 0; i < elements.Length; i++)
{
ShapeElement element = elements[i];
ElementPose animTransform = new ElementPose();
animTransform.ForElement = element;
GenerateFrameForElement(frameNumber, element, ref animTransform);
transforms.Add(animTransform);
float[] animModelMatrix = Mat4f.CloneIt(modelMatrix);
Mat4f.Mul(animModelMatrix, animModelMatrix, element.GetLocalTransformMatrix(null, animTransform));
if (element.JointId > 0 && !jointsDone.Contains(element.JointId))
{
resKeyFrames[indexNumber].SetTransform(element.JointId, animModelMatrix);
jointsDone.Add(element.JointId);
}
if (recursive && element.Children != null)
{
GenerateFrame(indexNumber, resKeyFrames, element.Children, jointsById, animModelMatrix, animTransform.ChildElementPoses);
}
}
}
public void Add(ElementPose tf, ElementPose tfNext, float l, float weight)
{
if (tf.RotShortestDistance)
{
float distX = MathTools.GameMath.AngleDegDistance(tf.degX, tfNext.degX);
float distY = MathTools.GameMath.AngleDegDistance(tf.degY, tfNext.degY);
float distZ = MathTools.GameMath.AngleDegDistance(tf.degZ, tfNext.degZ);
degX += (tf.degX + distX * l) * weight;
degY += (tf.degY + distY * l) * weight;
degZ += (tf.degZ + distZ * l) * weight;
}
else
{
degX += (tf.degX * (1 - l) + tfNext.degX * l) * weight;
degY += (tf.degY * (1 - l) + tfNext.degY * l) * weight;
degZ += (tf.degZ * (1 - l) + tfNext.degZ * l) * weight;
}
scaleX += ((tf.scaleX - 1) * (1 - l) + (tfNext.scaleX - 1) * l) * weight;
scaleY += ((tf.scaleY - 1) * (1 - l) + (tfNext.scaleY - 1) * l) * weight;
scaleZ += ((tf.scaleZ - 1) * (1 - l) + (tfNext.scaleZ - 1) * l) * weight;
translateX += (tf.translateX * (1 - l) + tfNext.translateX * l) * weight;
translateY += (tf.translateY * (1 - l) + tfNext.translateY * l) * weight;
translateZ += (tf.translateZ * (1 - l) + tfNext.translateZ * l) * weight;
}
protected override void LoadPosesAndAttachmentPoints(ShapeElement[] elements, List <ElementPose> intoPoses)
{
// Only load root pose and only the ones that have attachment points
if (loadFully)
{
base.LoadPosesAndAttachmentPoints(elements, intoPoses);
return;
}
ElementPose pose;
for (int i = 0; i < elements.Length; i++)
{
ShapeElement elem = elements[i];
if (elem.AttachmentPoints == null)
{
continue;
}
intoPoses.Add(pose = new ElementPose());
pose.AnimModelMatrix = Mat4f.Create();
pose.ForElement = elem;
for (int j = 0; j < elem.AttachmentPoints.Length; j++)
{
AttachmentPoint apoint = elem.AttachmentPoints[j];
AttachmentPointByCode[apoint.Code] = new AttachmentPointAndPose()
{
AttachPoint = apoint,
CachedPose = pose
};
}
}
}
protected virtual void LoadPosesAndAttachmentPoints(ShapeElement[] elements, List <ElementPose> intoPoses)
{
ElementPose pose;
for (int i = 0; i < elements.Length; i++)
{
ShapeElement elem = elements[i];
intoPoses.Add(pose = new ElementPose());
pose.AnimModelMatrix = Mat4f.Create();
pose.ForElement = elem;
if (elem.AttachmentPoints != null)
{
for (int j = 0; j < elem.AttachmentPoints.Length; j++)
{
AttachmentPoint apoint = elem.AttachmentPoints[j];
AttachmentPointByCode[apoint.Code] = new AttachmentPointAndPose()
{
AttachPoint = apoint,
CachedPose = pose
};
}
}
if (elem.Children != null)
{
pose.ChildElementPoses = new List <ElementPose>(elem.Children.Length);
LoadPosesAndAttachmentPoints(elem.Children, pose.ChildElementPoses);
}
}
}
protected virtual void LoadAttachmentPoints(List <ElementPose> cachedPoses)
{
for (int i = 0; i < cachedPoses.Count; i++)
{
ElementPose elem = cachedPoses[i];
if (elem.ForElement.AttachmentPoints != null)
{
for (int j = 0; j < elem.ForElement.AttachmentPoints.Length; j++)
{
AttachmentPoint apoint = elem.ForElement.AttachmentPoints[j];
AttachmentPointByCode[apoint.Code] = new AttachmentPointAndPose()
{
AttachPoint = apoint,
CachedPose = elem
};
}
}
if (elem.ChildElementPoses != null)
{
LoadAttachmentPoints(elem.ChildElementPoses);
}
}
}
public void Add(ElementPose tf, ElementPose tfNext, float l, float weight)
{
degX += (tf.degX * (1 - l) + tfNext.degX * l) * weight;
degY += (tf.degY * (1 - l) + tfNext.degY * l) * weight;
degZ += (tf.degZ * (1 - l) + tfNext.degZ * l) * weight;
scaleX += ((tf.scaleX - 1) * (1 - l) + (tfNext.scaleX - 1) * l) * weight;
scaleY += ((tf.scaleY - 1) * (1 - l) + (tfNext.scaleY - 1) * l) * weight;
scaleZ += ((tf.scaleZ - 1) * (1 - l) + (tfNext.scaleZ - 1) * l) * weight;
translateX += (tf.translateX * (1 - l) + tfNext.translateX * l) * weight;
translateY += (tf.translateY * (1 - l) + tfNext.translateY * l) * weight;
translateZ += (tf.translateZ * (1 - l) + tfNext.translateZ * l) * weight;
}
public float[] GetLocalTransformMatrix(float[] output = null, ElementPose tf = null)
{
if (tf == null)
{
tf = noTransform;
}
ShapeElement elem = this;
if (output == null)
{
output = Mat4f.Create();
}
float[] origin = new float[] { 0f, 0f, 0f };
if (elem.RotationOrigin != null)
{
origin[0] = (float)elem.RotationOrigin[0] / 16;
origin[1] = (float)elem.RotationOrigin[1] / 16;
origin[2] = (float)elem.RotationOrigin[2] / 16;
}
Mat4f.Translate(output, output, origin);
if (elem.RotationX + tf.degX != 0)
{
Mat4f.RotateX(output, output, (float)(elem.RotationX + tf.degX) * GameMath.DEG2RAD);
}
if (elem.RotationY + tf.degY != 0)
{
Mat4f.RotateY(output, output, (float)(elem.RotationY + tf.degY) * GameMath.DEG2RAD);
}
if (elem.RotationZ + tf.degZ != 0)
{
Mat4f.RotateZ(output, output, (float)(elem.RotationZ + tf.degZ) * GameMath.DEG2RAD);
}
Mat4f.Scale(output, output, new float[] { (float)elem.ScaleX * tf.scaleX, (float)elem.ScaleY * tf.scaleY, (float)elem.ScaleZ * tf.scaleZ });
Mat4f.Translate(output, output, new float[] { -origin[0], -origin[1], -origin[2] });
Mat4f.Translate(output, output, new float[] {
(float)elem.From[0] / 16 + tf.translateX,
(float)elem.From[1] / 16 + tf.translateY,
(float)elem.From[2] / 16 + tf.translateZ
});
return(output);
}
protected void lerpKeyFrameElement(AnimationKeyFrameElement prev, AnimationKeyFrameElement next, int forFlag, float t, ref ElementPose transform)
{
if (prev == null && next == null)
{
return;
}
t = GameMath.SmoothStep(t);
// Applies the transforms in model space
if (forFlag == 0)
{
transform.translateX = GameMath.Lerp((float)prev.OffsetX / 16f, (float)next.OffsetX / 16f, t);
transform.translateY = GameMath.Lerp((float)prev.OffsetY / 16f, (float)next.OffsetY / 16f, t);
transform.translateZ = GameMath.Lerp((float)prev.OffsetZ / 16f, (float)next.OffsetZ / 16f, t);
}
else if (forFlag == 1)
{
transform.degX = GameMath.Lerp((float)prev.RotationX, (float)next.RotationX, t);
transform.degY = GameMath.Lerp((float)prev.RotationY, (float)next.RotationY, t);
transform.degZ = GameMath.Lerp((float)prev.RotationZ, (float)next.RotationZ, t);
}
else
{
transform.scaleX = GameMath.Lerp((float)prev.StretchX, (float)next.StretchX, t);
transform.scaleY = GameMath.Lerp((float)prev.StretchY, (float)next.StretchY, t);
transform.scaleZ = GameMath.Lerp((float)prev.StretchZ, (float)next.StretchZ, t);
}
}
protected void GenerateFrameForElement(int frameNumber, ShapeElement element, ref ElementPose transform)
{
for (int flag = 0; flag < 3; flag++)
{
AnimationKeyFrameElement curKelem, nextKelem;
getTwoKeyFramesElementForFlag(frameNumber, element, flag, out curKelem, out nextKelem);
if (curKelem == null)
{
continue;
}
float t;
if (nextKelem == null || curKelem == nextKelem)
{
nextKelem = curKelem;
t = 0;
}
else
{
if (nextKelem.Frame < curKelem.Frame)
{
int quantity = nextKelem.Frame + (QuantityFrames - curKelem.Frame);
int framePos = GameMath.Mod(frameNumber - curKelem.Frame, QuantityFrames);
t = (float)framePos / quantity;
}
else
{
t = (float)(frameNumber - curKelem.Frame) / (nextKelem.Frame - curKelem.Frame);
}
}
lerpKeyFrameElement(curKelem, nextKelem, flag, t, ref transform);
}
}
// Careful when changing around stuff in here, this is a recursively called method
private void calculateMatrices(
float dt,
List <ElementPose> currentPoses,
ShapeElementWeights[][] weightsByAnimationAndElement,
float[] modelMatrix,
List <ElementPose>[] transformsByAnimation,
List <ElementPose>[] nextFrameTransformsByAnimation,
int depth
)
{
depth++;
List <ElementPose>[] childTransformsByAnimation = this.transformsByAnimation[depth];
List <ElementPose>[] nextFrameChildTransformsByAnimation = this.nextFrameTransformsByAnimation[depth];
ShapeElementWeights[][] childWeightsByAnimationAndElement = this.weightsByAnimationAndElement[depth];
for (int i = 0; i < currentPoses.Count; i++)
{
ElementPose currentPose = currentPoses[i];
ShapeElement elem = currentPose.ForElement;
currentPose.SetMat(modelMatrix);
Mat4f.Identity(localTransformMatrix);
currentPose.Clear();
float weightSum = 0f;
for (int j = 0; j < curAnimCount; j++)
{
RunningAnimation anim = CurAnims[j];
ShapeElementWeights sew = weightsByAnimationAndElement[j][i];
if (sew.BlendMode != EnumAnimationBlendMode.Add)
{
weightSum += sew.Weight * anim.EasingFactor;
}
}
for (int j = 0; j < curAnimCount; j++)
{
RunningAnimation anim = CurAnims[j];
ShapeElementWeights sew = weightsByAnimationAndElement[j][i];
//anim.CalcBlendedWeight(sew.Weight weightSum, sew.BlendMode); - that makes no sense for element weights != 1
anim.CalcBlendedWeight(weightSum / sew.Weight, sew.BlendMode);
ElementPose prevFramePose = transformsByAnimation[j][i];
ElementPose nextFramePose = nextFrameTransformsByAnimation[j][i];
int prevFrame = this.prevFrame[j];
int nextFrame = this.nextFrame[j];
// May loop around, so nextFrame can be smaller than prevFrame
float keyFrameDist = nextFrame > prevFrame ? (nextFrame - prevFrame) : (anim.Animation.QuantityFrames - prevFrame + nextFrame);
float curFrameDist = anim.CurrentFrame >= prevFrame ? (anim.CurrentFrame - prevFrame) : (anim.Animation.QuantityFrames - prevFrame + anim.CurrentFrame);
float lerp = curFrameDist / keyFrameDist;
currentPose.Add(prevFramePose, nextFramePose, lerp, anim.BlendedWeight);
childTransformsByAnimation[j] = prevFramePose.ChildElementPoses;
childWeightsByAnimationAndElement[j] = sew.ChildElements;
nextFrameChildTransformsByAnimation[j] = nextFramePose.ChildElementPoses;
}
elem.GetLocalTransformMatrix(localTransformMatrix, currentPose);
Mat4f.Mul(currentPose.AnimModelMatrix, currentPose.AnimModelMatrix, localTransformMatrix);
if (elem.JointId > 0 && !jointsDone.Contains(elem.JointId))
{
Mat4f.Mul(tmpMatrix, currentPose.AnimModelMatrix, elem.inverseModelTransform);
for (int l = 0; l < 16; l++)
{
TransformationMatrices[16 * elem.JointId + l] = tmpMatrix[l];
}
jointsDone.Add(elem.JointId);
}
if (currentPose.ChildElementPoses != null)
{
calculateMatrices(
dt,
currentPose.ChildElementPoses,
childWeightsByAnimationAndElement,
currentPose.AnimModelMatrix,
childTransformsByAnimation,
nextFrameChildTransformsByAnimation,
depth
);
}
}
}