/*
================
idSplineList::initPosition
================
*/
void idSplineList::initPosition(long bt, long totalTime) {
if (dirty) {
buildSpline();
}
if (splinePoints.Num() == 0) {
return;
}
baseTime = bt;
time = totalTime;
// calc distance to travel ( this will soon be broken into time segments )
splineTime.Clear();
splineTime.Append(bt);
double dist = totalDistance();
double distSoFar = 0.0;
idVec3 temp;
int count = splinePoints.Num();
//for(int i = 2; i < count - 1; i++) {
for(int i = 1; i < count; i++) {
temp = *splinePoints[i-1];
temp -= *splinePoints[i];
distSoFar += temp.Length();
double percent = distSoFar / dist;
percent *= totalTime;
splineTime.Append(percent + bt);
}
assert(splineTime.Num() == splinePoints.Num());
activeSegment = 0;
}
float idSplineList::totalDistance()
{
// FIXME: save dist and return
//
if(controlPoints.Num() == 0)
{
return 0.0;
}
if(dirty)
{
buildSpline();
}
float dist = 0.0;
idVec3 temp;
int count = splinePoints.Num();
for(int i = 1; i < count; i++)
{
temp = *splinePoints[i - 1];
temp -= *splinePoints[i];
dist += temp.Length();
}
return dist;
}
PixelTiempo Splines::alentarPixel(const PixelTiempo &P, int c0, int c1) const
{
int q = (c1 - 1) / (c0 - 1);
PixelTiempo r(c1);
bool finish = false;
for (int f = 0; f <= (c0 - 1) / reset && !finish; f++)
{
int first = f * reset;
int last = std::min(reset * (f + 1), (int) P.size() - 1);
if (std::min(reset * (f + 2), (int) P.size() - 1) - last < 2)
{
last = P.size() - 1;
finish = true;
}
std::vector <Polynomial> z = buildSpline(Vector(P.begin() + (f * reset), P.begin() + last), q);
for (int i = 0; i < last - (f * reset); i++)
{
for (int j = 0; j < q; j++)
{
double x = ((f * reset + i) * q) + j;
r[x] = toPixel(z[i].a + z[i].b * j + z[i].c * std::pow(j, 2) + z[i].d * std::pow(j, 3));
}
}
}
r[c1 - 1] = P[c0 - 1];
return r ;
}
/*
================
idSplineList::validTime
================
*/
bool idSplineList::validTime() {
if (dirty) {
buildSpline();
}
// gcc doesn't allow static casting away from bools
// why? I've no idea...
return (bool)(splineTime.Num() > 0 && splineTime.Num() == splinePoints.Num());
}
void idSplineList::draw(bool editMode) {
int i;
vec4_t yellow(1, 1, 0, 1);
if (controlPoints.Num() == 0) {
return;
}
if (dirty) {
buildSpline();
}
qglColor3fv(controlColor);
qglPointSize(5);
qglBegin(GL_POINTS);
for (i = 0; i < controlPoints.Num(); i++) {
qglVertex3fv(*controlPoints[i]);
}
qglEnd();
if (editMode) {
for(i = 0; i < controlPoints.Num(); i++) {
glBox(activeColor, *controlPoints[i], 4);
}
}
//Draw the curve
qglColor3fv(pathColor);
qglBegin(GL_LINE_STRIP);
int count = splinePoints.Num();
for (i = 0; i < count; i++) {
qglVertex3fv(*splinePoints[i]);
}
qglEnd();
if (editMode) {
qglColor3fv(segmentColor);
qglPointSize(3);
qglBegin(GL_POINTS);
for (i = 0; i < count; i++) {
qglVertex3fv(*splinePoints[i]);
}
qglEnd();
}
if (count > 0) {
//assert(activeSegment >=0 && activeSegment < count);
if (activeSegment >=0 && activeSegment < count) {
glBox(activeColor, *splinePoints[activeSegment], 6);
glBox(yellow, *splinePoints[activeSegment], 8);
}
}
}
