TArray<FString> UCurveBase::CreateCurveFromCSVString(const FString& InString)
{
// Array used to store problems about curve import
TArray<FString> OutProblems;
TArray<FRichCurveEditInfo> Curves = GetCurves();
const int32 NumCurves = Curves.Num();
const FCsvParser Parser(InString);
const FCsvParser::FRows& Rows = Parser.GetRows();
if(Rows.Num() == 0)
{
OutProblems.Add(FString(TEXT("No data.")));
return OutProblems;
}
// First clear out old data.
ResetCurve();
// Each row represents a point
for(int32 RowIdx=0; RowIdx<Rows.Num(); RowIdx++)
{
const TArray<const TCHAR*>& Cells = Rows[RowIdx];
const int32 NumCells = Cells.Num();
// Need at least two cell, Time and one Value
if(NumCells < 2)
{
OutProblems.Add(FString::Printf(TEXT("Row '%d' has less than 2 cells."), RowIdx));
continue;
}
float Time = FCString::Atof(Cells[0]);
for(int32 CellIdx=1; CellIdx<NumCells && CellIdx<(NumCurves+1); CellIdx++)
{
FRichCurve* Curve = Curves[CellIdx-1].CurveToEdit;
if(Curve != NULL)
{
FKeyHandle KeyHandle = Curve->AddKey(Time, FCString::Atof(Cells[CellIdx]));
Curve->SetKeyInterpMode(KeyHandle, RCIM_Linear);
}
}
// If we get more cells than curves (+1 for time cell)
if(NumCells > (NumCurves + 1))
{
OutProblems.Add(FString::Printf(TEXT("Row '%d' has too many cells for the curve(s)."), RowIdx));
}
// If we got too few cells
else if(NumCells < (NumCurves + 1))
{
OutProblems.Add(FString::Printf(TEXT("Row '%d' has too few cells for the curve(s)."), RowIdx));
}
}
Modify(true);
return OutProblems;
}
void UCurveBase::ResetCurve()
{
TArray<FRichCurveEditInfo> Curves = GetCurves();
for(int32 CurveIdx=0; CurveIdx<Curves.Num(); CurveIdx++)
{
if(Curves[CurveIdx].CurveToEdit != NULL)
{
Curves[CurveIdx].CurveToEdit->Reset();
}
}
}
void UCurveBase::GetValueRange(float& MinValue, float& MaxValue) const
{
TArray<FRichCurveEditInfoConst> Curves = GetCurves();
if(Curves.Num() > 0)
{
check(Curves[0].CurveToEdit);
Curves[0].CurveToEdit->GetValueRange(MinValue, MaxValue);
for(int32 i=1; i<Curves.Num(); i++)
{
float CurveMin, CurveMax;
check(Curves[i].CurveToEdit != NULL);
Curves[i].CurveToEdit->GetValueRange(CurveMin, CurveMax);
MinValue = FMath::Min(CurveMin, MinValue);
MaxValue = FMath::Max(CurveMax, MaxValue);
}
}
}
bool HesperisIO::CheckExistingCurves(CurveGroup * geos, MObject &target)
{
MDagPathArray existing;
MDagPath root;
MDagPath::getAPathTo(target, root);
if(!GetCurves(root, existing)) return false;
const unsigned ne = existing.length();
if(ne != geos->numCurves()) return false;
unsigned n = 0;
unsigned i=0;
for(;i<ne;i++) {
MFnNurbsCurve fcurve(existing[i].node());
n += fcurve.numCVs();
}
if(n!=geos->numPoints()) return false;
MGlobal::displayInfo(" existing curves matched");
return true;
}
