virtual bool Process()override
{
FNiagaraCompiler_VectorVM* VMCompiler = (FNiagaraCompiler_VectorVM*)Compiler;
check(ResultLocation == ENiagaraExpressionResultLocation::SharedData);
FNiagaraDataSetProperties* DataSetProps = VMCompiler->GetSharedDataIndex(Event, false, ResultIndex);
int32 VarIndex = VMCompiler->GetSharedDataVariableIndex(DataSetProps, Result);
FNiagaraExpression* IndexExpr = GetSourceExpression(0).Get();
FNiagaraExpression* DataExpr = GetSourceExpression(1).Get();
check(SourceExpressions.Num() == 2);
uint8 IndexIndex = VMCompiler->GetResultVMIndex(IndexExpr);
uint8 DataIndex = VMCompiler->GetResultVMIndex(DataExpr);
//TODO - Make this better, either ensure this is in a register by now or allow the VM to handle from constants?
//Though, why you'd have the conditional come from a constant, IDK.
if (!(DataExpr->ResultLocation == ENiagaraExpressionResultLocation::Temporaries || DataExpr->ResultLocation == ENiagaraExpressionResultLocation::InputData))
{
VMCompiler->Error(LOCTEXT("CompileFaliure_CannotWriteConstantToSharedData", "Writing of constants to shared data is not currently supported"), NULL, NULL);
return false;
}
check(IndexExpr->ResultLocation == ENiagaraExpressionResultLocation::Temporaries);
VMCompiler->WriteCode((uint8)EVectorVMOp::shareddatawrite);
VMCompiler->WriteCode(ResultIndex);//Set idx
VMCompiler->WriteCode(VarIndex);//Index of variable buffer in the set.
VMCompiler->WriteCode(IndexIndex);//Index of the temporary buffer that contains the data index.
VMCompiler->WriteCode(DataIndex);//Temp buffer index for the data to write.
return true;
}
virtual bool Process()override
{
FNiagaraCompiler_VectorVM* VMCompiler = (FNiagaraCompiler_VectorVM*)Compiler;
ResultIndex = VMCompiler->AquireTemporary();
if (ResultIndex == INDEX_NONE)
{
return false;
}
ResultLocation = ENiagaraExpressionResultLocation::Temporaries;
check(ResultIndex < VectorVM::NumTempRegisters);
uint8 DestIndex = VMCompiler->GetResultVMIndex(this);
int32 SetIndex;
FNiagaraDataSetProperties* SetProps = VMCompiler->GetSharedDataIndex(Event, true, SetIndex);
check(SetIndex <= 255);
uint8 VarIndex = VMCompiler->GetSharedDataVariableIndex(SetProps, Result);
check(SourceExpressions.Num() == 1);
FNiagaraExpression* IndexExpr = GetSourceExpression(0).Get();
uint8 IndexIndex = VMCompiler->GetResultVMIndex(IndexExpr);
VMCompiler->WriteCode((uint8)EVectorVMOp::shareddataread);
VMCompiler->WriteCode(DestIndex);//Result location
VMCompiler->WriteCode((int8)SetIndex);//Index of data set
VMCompiler->WriteCode(VarIndex);//Index of variable within data set view
VMCompiler->WriteCode(IndexIndex);//Index of data in variable buffer
return true;
}
