Exemple #1
0
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;
}
Exemple #2
0
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));
    }
}
Exemple #3
0
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;
}
Exemple #5
0
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]);
        }
    }
}