bool keepTestHorizon( FbxAnimCurve* curve, FbxAnimCurveKey prevkey, FbxAnimCurveKey currkey, FbxAnimCurveKey nextkey)
{
FbxTime prevt = prevkey.GetTime();
FbxTime currt = currkey.GetTime();
FbxTime nextt = nextkey.GetTime();
bool needit = false;
float prevEv;
FbxLongLong tmpll = (currt - prevt).GetMilliSeconds() / 3;
FbxTime termt;
float tmpfs[6] = { -1, };
FbxTime times[6];
for (int termi = 0; termi < 3; termi++)
{
termt.SetMilliSeconds(tmpll*termi);
times[termi] = prevt + termt;
}
tmpll = (nextt - currt).GetMilliSeconds() / 3;
for (int termi = 0; termi < 3; termi++)
{
termt.SetMilliSeconds(tmpll*termi);
times[3 + termi] = currt + termt;
}
output2 << setw(20 + output2.rdbuf()->in_avail() - 4096) << "timee : ";
for (int i = 0; i < 6; i++)
{
output2 << setw(10) << setiosflags(ios::fixed) << setprecision(3) << (times[i]).GetSecondDouble() << "\t";
tmpfs[i] = curve->Evaluate(times[i]);
}
output2 << endl << setw(20) << "value : ";
for (int i = 0; i < 6; i++)
{
output2 << setw(10) << setiosflags(ios::fixed) << setprecision(3) << tmpfs[i] << "\t";
}
for (int i = 1; i<6;i++)
if (abs(tmpfs[i] - tmpfs[i-1]) > comp_level_horizon)
{
output2 << "keepinHorizon at : " << i << endl;
return true;
}
output2 << endl;
return false;
}
void readKeys(FbxAnimCurve* curveX, FbxAnimCurve* curveY, FbxAnimCurve* curveZ,
const FbxDouble3& defaultValue,
std::vector<osgAnimation::TemplateKeyframe<osg::Vec3> >& keyFrameCntr, float scalar = 1.0f)
{
FbxAnimCurve* curves[3] = {curveX, curveY, curveZ};
typedef std::set<double> TimeSet;
typedef std::map<double, float> TimeFloatMap;
TimeSet times;
TimeFloatMap curveTimeMap[3];
for (int nCurve = 0; nCurve < 3; ++nCurve)
{
FbxAnimCurve* pCurve = curves[nCurve];
int nKeys = pCurve ? pCurve->KeyGetCount() : 0;
if (!nKeys)
{
times.insert(0.0);
curveTimeMap[nCurve][0.0] = defaultValue[nCurve] * scalar;
}
for (int i = 0; i < nKeys; ++i)
{
FbxAnimCurveKey key = pCurve->KeyGet(i);
double fTime = key.GetTime().GetSecondDouble();
times.insert(fTime);
curveTimeMap[nCurve][fTime] = static_cast<float>(key.GetValue()) * scalar;
}
}
for (TimeSet::iterator it = times.begin(); it != times.end(); ++it)
{
double fTime = *it;
osg::Vec3 val;
for (int i = 0; i < 3; ++i)
{
if (curveTimeMap[i].empty()) continue;
TimeFloatMap::iterator lb = curveTimeMap[i].lower_bound(fTime);
if (lb == curveTimeMap[i].end()) --lb;
val[i] = lb->second;
}
keyFrameCntr.push_back(osgAnimation::Vec3Keyframe(fTime, val));
}
}
bool slopkeepTest(FbxAnimCurve* curve, FbxAnimCurveKey prevkey, FbxAnimCurveKey currkey, FbxAnimCurveKey nextkey)
{
FbxTime prevt = prevkey.GetTime();
FbxTime currt = currkey.GetTime();
FbxTime nextt = nextkey.GetTime();
float slope1 = (currkey.GetValue() - prevkey.GetValue()) / (currt.GetSecondDouble() - prevt.GetSecondDouble());
float slope2 = (nextkey.GetValue() - currkey.GetValue()) / (nextt.GetSecondDouble() - currt.GetSecondDouble());
output2 << setw(20) << "slope : " << setw(10) << setprecision(3) << slope1 << "," << setw(10) << slope2;
if (abs(slope1 - slope2) > 0.005)
{
output2 << " keepinSlope" << endl;
return true;
}
output2 << endl;
float deriv1, deriv2, deriv3, deriv4;
deriv1 = prevkey.GetDataFloat(FbxAnimCurveDef::EDataIndex::eRightSlope);
deriv2 = prevkey.GetDataFloat(FbxAnimCurveDef::EDataIndex::eNextLeftSlope);
deriv3 = currkey.GetDataFloat(FbxAnimCurveDef::EDataIndex::eRightSlope);
deriv4 = currkey.GetDataFloat(FbxAnimCurveDef::EDataIndex::eNextLeftSlope);
FbxTime mili;
mili.SetMilliSeconds(1);
output3 << "deriv1 : " << deriv1 << ", val : " << prevkey.GetValue() << ", +1mili value : " << curve->EvaluateRightDerivative(prevt + mili) << endl;
float derivl11, derivl12, derivl21, derivl22;
float derivr11, derivr12, derivr21, derivr22;
FbxTime term1, term2;
term1.SetSecondDouble((currt.GetSecondDouble() - prevt.GetSecondDouble()) / 3);
term2.SetSecondDouble((nextt.GetSecondDouble() - currt.GetSecondDouble()) / 3);
derivl11 = curve->EvaluateLeftDerivative(prevt + term1);
derivl12 = curve->EvaluateLeftDerivative(prevt + term1 + term1);
derivl21 = curve->EvaluateLeftDerivative(currt + term2);
derivl22 = curve->EvaluateLeftDerivative(currt + term2 + term2);
derivr11 = curve->EvaluateRightDerivative(prevt + term1);
derivr12 = curve->EvaluateRightDerivative(prevt + term1 + term1);
derivr21 = curve->EvaluateRightDerivative(currt + term2);
derivr22 = curve->EvaluateRightDerivative(currt + term2 + term2);
output2 << setw(20) << "deriv : " << setprecision(3)
<< deriv1 <<","
<< deriv2 <<","
<< deriv3 <<","
<< deriv4 <<","
<< derivl11<<","
<< derivl12<<","
<< derivl21<<","
<< derivl22<<","
<< derivr11<<","
<< derivr12<<","
<< derivr21<<","
<< derivr22<<","
;
if (
prevkey.GetInterpolation() == FbxAnimCurveDef::eInterpolationConstant &&
currkey.GetInterpolation() == FbxAnimCurveDef::eInterpolationConstant &&
nextkey.GetInterpolation() == FbxAnimCurveDef::eInterpolationConstant
)
{
if (
abs(prevkey.GetValue() - currkey.GetValue()) < comp_level_horizon &&
abs(currkey.GetValue() - nextkey.GetValue()) < comp_level_horizon
)
return false;
}
else if (
prevkey.GetInterpolation() == FbxAnimCurveDef::eInterpolationCubic &&
currkey.GetInterpolation() == FbxAnimCurveDef::eInterpolationCubic &&
nextkey.GetInterpolation() == FbxAnimCurveDef::eInterpolationCubic
)
{
if (
abs(deriv1 - deriv2) < comp_level_deriv &&
abs(deriv2 - deriv3) < comp_level_deriv &&
abs(deriv3 - deriv4) < comp_level_deriv
)
{
float nearCurr = (deriv1*(currt.GetMilliSeconds() - prevt.GetMilliSeconds())) + prevkey.GetValue();
float nearNext = (deriv3*(nextt.GetMilliSeconds() - currt.GetMilliSeconds())) + currkey.GetValue();
if (
abs(nearCurr - currkey.GetValue()) < comp_level_integError &&
abs(nearNext - nextkey.GetValue()) < comp_level_integError
)
return false;
}
}
return true;
/*
if (
abs(deriv1 - deriv2) < 0.005 &&
abs(deriv2 - deriv3) < 0.005 &&
abs(deriv3 - deriv4) < 0.005 &&
abs(deriv4 - derivl11) < 0.005 &&
abs(derivl11 - derivr11) < 0.005 &&
abs(derivr11 - derivl12) < 0.005 &&
abs(derivl12 - derivr12) < 0.005 &&
abs(derivr12 - derivl21) < 0.005 &&
abs(derivl21 - derivr21) < 0.005 &&
abs(derivr21 - derivl22) < 0.005 &&
abs(derivl22 - derivr22) < 0.005
)
{
}
else
{
output2 << "keepinDeriv" << endl;
return true;
}
output2 << "removable key" << endl;
*/
return false;
}
bool UnFbx::FFbxImporter::ImportCurve(const FbxAnimCurve* FbxCurve, FFloatCurve * Curve, const FbxTimeSpan &AnimTimeSpan, const float ValueScale/*=1.f*/) const
{
static float DefaultCurveWeight = FbxAnimCurveDef::sDEFAULT_WEIGHT;
if ( FbxCurve && Curve )
{
for ( int32 KeyIndex=0; KeyIndex<FbxCurve->KeyGetCount(); ++KeyIndex )
{
FbxAnimCurveKey Key = FbxCurve->KeyGet(KeyIndex);
FbxTime KeyTime = Key.GetTime() - AnimTimeSpan.GetStart();
float Value = Key.GetValue() * ValueScale;
FKeyHandle NewKeyHandle = Curve->FloatCurve.AddKey(KeyTime.GetSecondDouble(), Value, true);
FbxAnimCurveDef::ETangentMode KeyTangentMode = Key.GetTangentMode();
FbxAnimCurveDef::EInterpolationType KeyInterpMode = Key.GetInterpolation();
FbxAnimCurveDef::EWeightedMode KeyTangentWeightMode = Key.GetTangentWeightMode();
ERichCurveInterpMode NewInterpMode = RCIM_Linear;
ERichCurveTangentMode NewTangentMode = RCTM_Auto;
ERichCurveTangentWeightMode NewTangentWeightMode = RCTWM_WeightedNone;
float LeaveTangent = 0.f;
float ArriveTangent = 0.f;
float LeaveTangentWeight = 0.f;
float ArriveTangentWeight = 0.f;
switch (KeyInterpMode)
{
case FbxAnimCurveDef::eInterpolationConstant://! Constant value until next key.
NewInterpMode = RCIM_Constant;
break;
case FbxAnimCurveDef::eInterpolationLinear://! Linear progression to next key.
NewInterpMode = RCIM_Linear;
break;
case FbxAnimCurveDef::eInterpolationCubic://! Cubic progression to next key.
NewInterpMode = RCIM_Cubic;
// get tangents
{
LeaveTangent = Key.GetDataFloat(FbxAnimCurveDef::eRightSlope);
if ( KeyIndex > 0 )
{
FbxAnimCurveKey PrevKey = FbxCurve->KeyGet(KeyIndex-1);
ArriveTangent = PrevKey.GetDataFloat(FbxAnimCurveDef::eNextLeftSlope);
}
else
{
ArriveTangent = 0.f;
}
}
break;
}
// when we import tangent, we only support break or user
// since it's modified by DCC and we only assume these two are valid
// auto does our own stuff, which doesn't work with what you see in DCC
if (KeyTangentMode & FbxAnimCurveDef::eTangentBreak)
{
NewTangentMode = RCTM_Break;
}
else
{
NewTangentMode = RCTM_User;
}
// @fix me : weight of tangent is not used, but we'll just save this for future where we might use it.
switch (KeyTangentWeightMode)
{
case FbxAnimCurveDef::eWeightedNone://! Tangent has default weights of 0.333; we define this state as not weighted.
LeaveTangentWeight = ArriveTangentWeight = DefaultCurveWeight;
NewTangentWeightMode = RCTWM_WeightedNone;
break;
case FbxAnimCurveDef::eWeightedRight: //! Right tangent is weighted.
NewTangentWeightMode = RCTWM_WeightedLeave;
LeaveTangentWeight = Key.GetDataFloat(FbxAnimCurveDef::eRightWeight);
ArriveTangentWeight = DefaultCurveWeight;
break;
case FbxAnimCurveDef::eWeightedNextLeft://! Left tangent is weighted.
NewTangentWeightMode = RCTWM_WeightedArrive;
LeaveTangentWeight = DefaultCurveWeight;
if ( KeyIndex > 0 )
{
FbxAnimCurveKey PrevKey = FbxCurve->KeyGet(KeyIndex-1);
ArriveTangentWeight = PrevKey.GetDataFloat(FbxAnimCurveDef::eNextLeftWeight);
}
else
{
ArriveTangentWeight = 0.f;
}
break;
case FbxAnimCurveDef::eWeightedAll://! Both left and right tangents are weighted.
NewTangentWeightMode = RCTWM_WeightedBoth;
LeaveTangentWeight = Key.GetDataFloat(FbxAnimCurveDef::eRightWeight);
if ( KeyIndex > 0 )
{
FbxAnimCurveKey PrevKey = FbxCurve->KeyGet(KeyIndex-1);
ArriveTangentWeight = PrevKey.GetDataFloat(FbxAnimCurveDef::eNextLeftWeight);
}
else
{
ArriveTangentWeight = 0.f;
}
break;
}
Curve->FloatCurve.SetKeyInterpMode(NewKeyHandle, NewInterpMode);
Curve->FloatCurve.SetKeyTangentMode(NewKeyHandle, NewTangentMode);
Curve->FloatCurve.SetKeyTangentWeightMode(NewKeyHandle, NewTangentWeightMode);
FRichCurveKey& NewKey = Curve->FloatCurve.GetKey(NewKeyHandle);
// apply 1/100 - that seems like the tangent unit difference with FBX
NewKey.ArriveTangent = ArriveTangent * 0.01f;
NewKey.LeaveTangent = LeaveTangent * 0.01f;
NewKey.ArriveTangentWeight = ArriveTangentWeight;
NewKey.LeaveTangentWeight = LeaveTangentWeight;
}
return true;
}
return false;
}
void readFbxRotationAnimation(osgAnimation::Channel* channels[3],
FbxNode* pNode,
FbxAnimLayer* pAnimLayer, const char* targetName)
{
if (!pNode->LclRotation.IsValid())
{
return;
}
EFbxRotationOrder rotOrder = pNode->RotationOrder.IsValid() ? pNode->RotationOrder.Get() : eEulerXYZ;
if (pNode->QuaternionInterpolate.IsValid() && pNode->QuaternionInterpolate.Get())
{
channels[0] = readFbxChannelsQuat(
pNode->LclRotation.GetCurve(pAnimLayer, FBXSDK_CURVENODE_COMPONENT_X),
pNode->LclRotation.GetCurve(pAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y),
pNode->LclRotation.GetCurve(pAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z),
pNode->LclRotation.Get(),
targetName, rotOrder);
}
else
{
const char* curveNames[3] = {FBXSDK_CURVENODE_COMPONENT_X, FBXSDK_CURVENODE_COMPONENT_Y, FBXSDK_CURVENODE_COMPONENT_Z};
FbxDouble3 fbxPropValue = pNode->LclRotation.Get();
fbxPropValue[0] = osg::DegreesToRadians(fbxPropValue[0]);
fbxPropValue[1] = osg::DegreesToRadians(fbxPropValue[1]);
fbxPropValue[2] = osg::DegreesToRadians(fbxPropValue[2]);
for (int i = 0; i < 3; ++i)
{
FbxAnimCurve* curve = pNode->LclRotation.GetCurve(pAnimLayer, curveNames[i]);
if (!curve)
{
continue;
}
FbxAnimCurveDef::EInterpolationType interpolationType = FbxAnimCurveDef::eInterpolationConstant;
if (curve && curve->KeyGetCount()) interpolationType = curve->KeyGetInterpolation(0);
if (interpolationType == FbxAnimCurveDef::eInterpolationCubic)
{
osgAnimation::FloatCubicBezierKeyframeContainer* pKeyFrameCntr = new osgAnimation::FloatCubicBezierKeyframeContainer;
for (int j = 0; j < curve->KeyGetCount(); ++j)
{
double fTime = curve->KeyGetTime(j).GetSecondDouble();
float angle = curve->KeyGetValue(j);
//FbxAnimCurveDef::EWeightedMode tangentWeightMode = curve->KeyGet(j).GetTangentWeightMode();
FbxAnimCurveTangentInfo leftTangent = curve->KeyGetLeftDerivativeInfo(j);
FbxAnimCurveTangentInfo rightTangent = curve->KeyGetRightDerivativeInfo(j);
if (j > 0)
{
leftTangent.mDerivative *= fTime - curve->KeyGetTime(j - 1).GetSecondDouble();
}
if (j + 1 < curve->KeyGetCount())
{
rightTangent.mDerivative *= curve->KeyGetTime(j + 1).GetSecondDouble() - fTime;
}
osgAnimation::FloatCubicBezier key(
osg::DegreesToRadians(angle),
osg::DegreesToRadians(angle - leftTangent.mDerivative / 3.0),
osg::DegreesToRadians(angle + rightTangent.mDerivative / 3.0));
pKeyFrameCntr->push_back(osgAnimation::FloatCubicBezierKeyframe(
fTime,
key));
}
reorderControlPoints(*pKeyFrameCntr);
osgAnimation::FloatCubicBezierChannel* pCubicChannel = new osgAnimation::FloatCubicBezierChannel;
pCubicChannel->getOrCreateSampler()->setKeyframeContainer(pKeyFrameCntr);
channels[i] = pCubicChannel;
}
else
{
osgAnimation::FloatKeyframeContainer* keys = new osgAnimation::FloatKeyframeContainer;
for (int j = 0; j < curve->KeyGetCount(); ++j)
{
FbxAnimCurveKey key = curve->KeyGet(j);
keys->push_back(osgAnimation::FloatKeyframe(
key.GetTime().GetSecondDouble(),
static_cast<float>(osg::DegreesToRadians(key.GetValue()))));
}
if (interpolationType == FbxAnimCurveDef::eInterpolationConstant)
{
osgAnimation::FloatStepChannel* pStepChannel = new osgAnimation::FloatStepChannel();
pStepChannel->getOrCreateSampler()->setKeyframeContainer(keys);
channels[i] = pStepChannel;
}
else
{
osgAnimation::FloatLinearChannel* pLinearChannel = new osgAnimation::FloatLinearChannel();
pLinearChannel->getOrCreateSampler()->setKeyframeContainer(keys);
channels[i] = pLinearChannel;
}
}
channels[i]->setTargetName(targetName);
channels[i]->setName(std::string("rotate") + curveNames[i]);
}
}
}