void ExportCurve(FbxAnimLayer* lAnimLayer, FbxNode* pNode, const Value& animCurve, uint32_t begin, uint32_t end)
{
int rx = -1, ry = -1, rz = -1, rw = -1;
for (uint32_t i = begin; i < end; i++)
{
FbxAnimCurve* fbxCurve = NULL;
const Value& curve = animCurve[i];
if (strcmp(curve["propertyName"].GetString(), "m_LocalPosition.x") == 0)
{
fbxCurve = pNode->LclTranslation.GetCurve(lAnimLayer, FBXSDK_CURVENODE_COMPONENT_X, true);
}
else if (strcmp(curve["propertyName"].GetString(), "m_LocalPosition.y") == 0)
{
fbxCurve = pNode->LclTranslation.GetCurve(lAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y, true);
}
else if (strcmp(curve["propertyName"].GetString(), "m_LocalPosition.z") == 0)
{
fbxCurve = pNode->LclTranslation.GetCurve(lAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z, true);
}
else if (strcmp(curve["propertyName"].GetString(), "m_LocalRotation.x") == 0)
{
rx = i;
}
else if (strcmp(curve["propertyName"].GetString(), "m_LocalRotation.y") == 0)
{
ry = i;
}
else if (strcmp(curve["propertyName"].GetString(), "m_LocalRotation.z") == 0)
{
rz = i;
}
else if (strcmp(curve["propertyName"].GetString(), "m_LocalRotation.w") == 0)
{
rw = i;
}
if (fbxCurve != NULL)
{
fbxCurve->KeyModifyBegin();
FbxTime lTime;
const Value& time = curve["time"];
const Value& value = curve["value"];
for (uint32_t i = 0; i < time.Size(); i++)
{
double timeValue = time[i].GetDouble();
double v = value[i].GetDouble();
lTime.SetSecondDouble(timeValue);
int lKeyIndex = fbxCurve->KeyAdd(lTime);
fbxCurve->KeySetValue(lKeyIndex, v);
fbxCurve->KeySetInterpolation(lKeyIndex, FbxAnimCurveDef::eInterpolationCubic);
}
fbxCurve->KeyModifyEnd();
}
}
// rotation animation will be convert from quaternion to euler angle
if (rx != -1)
{
FbxAnimCurve* fbxCurve[3];
fbxCurve[0] = pNode->LclRotation.GetCurve(lAnimLayer, FBXSDK_CURVENODE_COMPONENT_X, true);
fbxCurve[1] = pNode->LclRotation.GetCurve(lAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y, true);
fbxCurve[2] = pNode->LclRotation.GetCurve(lAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z, true);
for (int i = 0; i < 3; i++)
{
fbxCurve[i]->KeyModifyBegin();
}
FbxTime lTime;
const Value& time = animCurve[rx]["time"];
for (uint32_t i = 0; i < time.Size(); i++)
{
double timeValue = time[i].GetDouble();
double x = animCurve[rx]["value"][i].GetDouble();
double y = animCurve[ry]["value"][i].GetDouble();
double z = animCurve[rz]["value"][i].GetDouble();
double w = animCurve[rw]["value"][i].GetDouble();
FbxQuaternion qRot(x, y, z, w);
FbxVector4 euler = qRot.DecomposeSphericalXYZ();
for (int j = 0; j < 3; j++)
{
lTime.SetSecondDouble(timeValue);
int lKeyIndex = fbxCurve[j]->KeyAdd(lTime);
fbxCurve[j]->KeySetValue(lKeyIndex, euler[j]);
fbxCurve[j]->KeySetInterpolation(lKeyIndex, FbxAnimCurveDef::eInterpolationCubic);
}
}
for (int i = 0; i < 3; i++)
{
fbxCurve[i]->KeyModifyEnd();
}
}
}
