public override BoneMotion BoneMotionAt(RenderBone b, float frame)
{
if (Bone.ContainsKey (b.bone.name)) {
var bones = Bone [b.bone.name];
var m0 = from x in bones
where x.frame_no >= frame
select x;
var m1 = from x in bones
where x.frame_no <= frame
select x;
if (m0.Count () == 0) {
if (m1.Count () == 0) {
return null;
} else {
return m1.Last ();
}
} else {
var b0 = m0.First ();
if (m1.Count () == 0) {
return b0;
} else {
var b1 = m1.Last ();
if (b0.Equals (b1)) {
return b0;
} else { // interpolate
int dif = b1.frame_no - b0.frame_no;
float a0 = frame - b0.frame_no;
float ratio = a0 / dif;
var m = new BoneMotion ();
m.location = new float[3];
m.rotation = new float[4];
double t = bazier(b0.interp, 0, 1, ratio);
m.location[0] = (float) (b0.location[0] + (b1.location[0] - b0.location[0]) * t);
t = bazier(b0.interp, 1, 1, ratio);
m.location[1] = (float) (b0.location[1] + (b1.location[1] - b0.location[1]) * t);
t = bazier(b0.interp, 2, 1, ratio);
m.location[2] = (float) (b0.location[2] + (b1.location[2] - b0.location[2]) * t);
slerp(m.rotation, b0.rotation, b1.rotation, 0, 0, bazier(b0.interp, 3, 1, ratio));
return m;
}
}
}
} else {
return null;
}
}
private void clearUpdateFlags(RenderBone root, RenderBone b)
{
while (root != b)
{
b.updated = false;
if (b.bone.parent != -1)
{
b = Surface.RenderBones[b.bone.parent];
}
else
{
return;
}
}
root.updated = false;
}
private void setBoneMatrix(RenderBone b, float idx)
{
var m = Motions [CurrentMotion].BoneMotionAt(b, idx);
if (m != null)
{
b.quaternion[0] = m.rotation[0];
b.quaternion[1] = m.rotation[1];
b.quaternion[2] = m.rotation[2];
b.quaternion[3] = m.rotation[3];
Quaternion.toMatrix(b.matrix_current, m.rotation);
if (b.bone.parent == -1)
{
b.matrix_current[12] = m.location[0] + b.bone.head_pos[0];
b.matrix_current[13] = m.location[1] + b.bone.head_pos[1];
b.matrix_current[14] = m.location[2] + b.bone.head_pos[2];
}
else
{
var p = Surface.RenderBones[b.bone.parent];
b.matrix_current[12] = m.location[0] + (b.bone.head_pos[0] - p.bone.head_pos[0]);
b.matrix_current[13] = m.location[1] + (b.bone.head_pos[1] - p.bone.head_pos[1]);
b.matrix_current[14] = m.location[2] + (b.bone.head_pos[2] - p.bone.head_pos[2]);
}
}
else
{
// no VMD info so assume that no rotation and translation are specified
Matrix.SetIdentityM(b.matrix_current, 0);
Quaternion.setIndentity(b.quaternion);
if (b.bone.parent == -1)
{
Matrix.TranslateM(b.matrix_current, 0, b.bone.head_pos[0], b.bone.head_pos[1], b.bone.head_pos[2]);
}
else
{
var p = Surface.RenderBones[b.bone.parent];
Matrix.TranslateM(b.matrix_current, 0, b.bone.head_pos[0], b.bone.head_pos[1], b.bone.head_pos[2]);
Matrix.TranslateM(b.matrix_current, 0, -p.bone.head_pos[0], -p.bone.head_pos[1], -p.bone.head_pos[2]);
}
}
}
private void updateBoneMatrix(RenderBone b)
{
if (b.updated == false)
{
if (b.bone.parent != -1)
{
var p = Surface.RenderBones[b.bone.parent];
updateBoneMatrix(p);
Matrix.MultiplyMM(b.matrix, 0, p.matrix, 0, b.matrix_current, 0);
}
else
{
for (int i = 0; i < 16; i++)
{
b.matrix[i] = b.matrix_current[i];
}
}
b.updated = true;
}
}
public override BoneMotion BoneMotionAt(RenderBone b, float frame)
{
if (Bone.ContainsKey(b.bone.name))
{
var bones = Bone [b.bone.name];
var m0 = from x in bones
where x.frame_no >= frame
select x;
var m1 = from x in bones
where x.frame_no <= frame
select x;
if (m0.Count() == 0)
{
if (m1.Count() == 0)
{
return(null);
}
else
{
return(m1.Last());
}
}
else
{
var b0 = m0.First();
if (m1.Count() == 0)
{
return(b0);
}
else
{
var b1 = m1.Last();
if (b0.Equals(b1))
{
return(b0);
}
else // interpolate
{
int dif = b1.frame_no - b0.frame_no;
float a0 = frame - b0.frame_no;
float ratio = a0 / dif;
var m = new BoneMotion();
m.location = new float[3];
m.rotation = new float[4];
double t = bazier(b0.interp, 0, 1, ratio);
m.location[0] = (float)(b0.location[0] + (b1.location[0] - b0.location[0]) * t);
t = bazier(b0.interp, 1, 1, ratio);
m.location[1] = (float)(b0.location[1] + (b1.location[1] - b0.location[1]) * t);
t = bazier(b0.interp, 2, 1, ratio);
m.location[2] = (float)(b0.location[2] + (b1.location[2] - b0.location[2]) * t);
slerp(m.rotation, b0.rotation, b1.rotation, 0, 0, bazier(b0.interp, 3, 1, ratio));
return(m);
}
}
}
}
else
{
return(null);
}
}
public abstract BoneMotion BoneMotionAt(RenderBone b, float time);
public abstract BoneMotion BoneMotionAt(RenderBone b, float time);
private void updateBoneMatrix(RenderBone b)
{
if (b.updated == false) {
if (b.bone.parent != -1) {
var p = Surface.RenderBones[b.bone.parent];
updateBoneMatrix(p);
Matrix.MultiplyMM(b.matrix, 0, p.matrix, 0, b.matrix_current, 0);
} else {
for (int i = 0; i < 16; i++) {
b.matrix[i] = b.matrix_current[i];
}
}
b.updated = true;
}
}
private void setBoneMatrix(RenderBone b, float idx)
{
var m = Motions [CurrentMotion].BoneMotionAt (b, idx);
if (m != null) {
b.quaternion[0] = m.rotation[0];
b.quaternion[1] = m.rotation[1];
b.quaternion[2] = m.rotation[2];
b.quaternion[3] = m.rotation[3];
Quaternion.toMatrix(b.matrix_current, m.rotation);
if (b.bone.parent == -1) {
b.matrix_current[12] = m.location[0] + b.bone.head_pos[0];
b.matrix_current[13] = m.location[1] + b.bone.head_pos[1];
b.matrix_current[14] = m.location[2] + b.bone.head_pos[2];
} else {
var p = Surface.RenderBones[b.bone.parent];
b.matrix_current[12] = m.location[0] + (b.bone.head_pos[0] - p.bone.head_pos[0]);
b.matrix_current[13] = m.location[1] + (b.bone.head_pos[1] - p.bone.head_pos[1]);
b.matrix_current[14] = m.location[2] + (b.bone.head_pos[2] - p.bone.head_pos[2]);
}
} else {
// no VMD info so assume that no rotation and translation are specified
Matrix.SetIdentityM(b.matrix_current, 0);
Quaternion.setIndentity(b.quaternion);
if (b.bone.parent == -1) {
Matrix.TranslateM(b.matrix_current, 0, b.bone.head_pos[0], b.bone.head_pos[1], b.bone.head_pos[2]);
} else {
var p = Surface.RenderBones[b.bone.parent];
Matrix.TranslateM(b.matrix_current, 0, b.bone.head_pos[0], b.bone.head_pos[1], b.bone.head_pos[2]);
Matrix.TranslateM(b.matrix_current, 0, -p.bone.head_pos[0], -p.bone.head_pos[1], -p.bone.head_pos[2]);
}
}
}
private void getCurrentPosition(float[] v, RenderBone b)
{
float[] current = getCurrentMatrix(b);
Array.Copy(current, 12, v, 0, 3);
v[3] = 1;
}
private float[] getCurrentMatrix(RenderBone b)
{
updateBoneMatrix(b);
return b.matrix;
}
private void clearUpdateFlags(RenderBone root, RenderBone b)
{
while (root != b) {
b.updated = false;
if (b.bone.parent != -1) {
b = Surface.RenderBones[b.bone.parent];
} else {
return;
}
}
root.updated = false;
}
private float[] getCurrentMatrix(RenderBone b)
{
updateBoneMatrix(b);
return(b.matrix);
}
private void getCurrentPosition(float[] v, RenderBone b)
{
float[] current = getCurrentMatrix(b);
Array.Copy(current, 12, v, 0, 3);
v[3] = 1;
}
