void FBlueprintStatsModule::DumpBlueprintStats()
{
TArray<FBlueprintStatRecord> Records;
for (TObjectIterator<UBlueprint> BlueprintIt; BlueprintIt; ++BlueprintIt)
{
UBlueprint* Blueprint = *BlueprintIt;
new (Records) FBlueprintStatRecord(Blueprint);
}
// Now merge them
FBlueprintStatRecord Aggregate(NULL);
for (const FBlueprintStatRecord& SourceRecord : Records)
{
Aggregate.MergeAnotherRecordIn(SourceRecord);
}
// Sort the lists
Aggregate.NodeCount.ValueSort(TGreater<int32>());
Aggregate.FunctionCount.ValueSort(TGreater<int32>());
Aggregate.FunctionOwnerCount.ValueSort(TGreater<int32>());
Aggregate.RemoteMacroCount.ValueSort(TGreater<int32>());
// Print out the merged record
UE_LOG(LogBlueprintStats, Log, TEXT("Blueprint stats for %d blueprints in %s"), Records.Num(), GGameName);
UE_LOG(LogBlueprintStats, Log, TEXT("%s"), *Aggregate.ToString(true));
UE_LOG(LogBlueprintStats, Log, TEXT("%s"), *Aggregate.ToString(false));
UE_LOG(LogBlueprintStats, Log, TEXT("\n"));
// Print out the node list
UE_LOG(LogBlueprintStats, Log, TEXT("NodeClass,NumInstances"));
for (const auto& NodePair : Aggregate.NodeCount)
{
UE_LOG(LogBlueprintStats, Log, TEXT("%s,%d"), *(NodePair.Key->GetName()), NodePair.Value);
}
UE_LOG(LogBlueprintStats, Log, TEXT("\n"));
// Print out the function list
UE_LOG(LogBlueprintStats, Log, TEXT("FunctionPath,ClassName,FunctionName,NumInstances"));
for (const auto& FunctionPair : Aggregate.FunctionCount)
{
UFunction* Function = FunctionPair.Key;
UE_LOG(LogBlueprintStats, Log, TEXT("%s,%s,%s,%d"), *(Function->GetPathName()), *(Function->GetOuterUClass()->GetName()), *(Function->GetName()), FunctionPair.Value);
}
UE_LOG(LogBlueprintStats, Log, TEXT("\n"));
// Print out the macro list
UE_LOG(LogBlueprintStats, Log, TEXT("MacroPath,MacroName,NumInstances"));
for (const auto& MacroPair : Aggregate.RemoteMacroCount)
{
UEdGraph* MacroGraph = MacroPair.Key;
UE_LOG(LogBlueprintStats, Log, TEXT("%s,%s,%d"), *(MacroGraph->GetPathName()), *(MacroGraph->GetName()), MacroPair.Value);
}
UE_LOG(LogBlueprintStats, Log, TEXT("\n"));
}
static void SetNodeFunc(UEdGraphNode* NewNode, bool /*bIsTemplateNode*/, TWeakObjectPtr<UFunction> FunctionPtr)
{
UK2Node_LatentGameplayTaskCall* AsyncTaskNode = CastChecked<UK2Node_LatentGameplayTaskCall>(NewNode);
if (FunctionPtr.IsValid())
{
UFunction* Func = FunctionPtr.Get();
UObjectProperty* ReturnProp = CastChecked<UObjectProperty>(Func->GetReturnProperty());
AsyncTaskNode->ProxyFactoryFunctionName = Func->GetFName();
AsyncTaskNode->ProxyFactoryClass = Func->GetOuterUClass();
AsyncTaskNode->ProxyClass = ReturnProp->PropertyClass;
}
}
void UK2Node_Switch::CreateFunctionPin()
{
// Set properties on the function pin
const UEdGraphSchema_K2* K2Schema = GetDefault<UEdGraphSchema_K2>();
UEdGraphPin* FunctionPin = CreatePin(EGPD_Input, K2Schema->PC_Object, TEXT(""), FunctionClass, false, false, FunctionName.ToString());
FunctionPin->bDefaultValueIsReadOnly = true;
FunctionPin->bNotConnectable = true;
FunctionPin->bHidden = true;
UFunction* Function = FindField<UFunction>(FunctionClass, FunctionName);
const bool bIsStaticFunc = Function->HasAllFunctionFlags(FUNC_Static);
if (bIsStaticFunc)
{
// Wire up the self to the CDO of the class if it's not us
if (UBlueprint* BP = GetBlueprint())
{
UClass* FunctionOwnerClass = Function->GetOuterUClass();
if (!BP->SkeletonGeneratedClass->IsChildOf(FunctionOwnerClass))
{
FunctionPin->DefaultObject = FunctionOwnerClass->GetDefaultObject();
}
}
}
}
void UK2Node_LatentAbilityCall::GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const
{
// these nested loops are combing over the same classes/functions the
// FBlueprintActionDatabase does; ideally we save on perf and fold this in
// with FBlueprintActionDatabase, but we want to keep the modules separate
for (TObjectIterator<UClass> ClassIt; ClassIt; ++ClassIt)
{
UClass* Class = *ClassIt;
if (!Class->IsChildOf<UAbilityTask>() || Class->HasAnyClassFlags(CLASS_Abstract))
{
continue;
}
for (TFieldIterator<UFunction> FuncIt(Class, EFieldIteratorFlags::ExcludeSuper); FuncIt; ++FuncIt)
{
UFunction* Function = *FuncIt;
if (!Function->HasAnyFunctionFlags(FUNC_Static))
{
continue;
}
// to keep from needlessly instantiating a UBlueprintNodeSpawner, first
// check to make sure that the registrar is looking for actions of this type
// (could be regenerating actions for a specific asset, and therefore the
// registrar would only accept actions corresponding to that asset)
if (!ActionRegistrar.IsOpenForRegistration(Function))
{
continue;
}
UObjectProperty* ReturnProperty = Cast<UObjectProperty>(Function->GetReturnProperty());
// see if the function is a static factory method for online proxies
bool const bIsProxyFactoryMethod = (ReturnProperty != nullptr) && ReturnProperty->PropertyClass->IsChildOf<UAbilityTask>();
if (bIsProxyFactoryMethod)
{
UBlueprintNodeSpawner* NodeSpawner = UBlueprintFunctionNodeSpawner::Create(Function);
check(NodeSpawner != nullptr);
NodeSpawner->NodeClass = GetClass();
auto CustomizeAcyncNodeLambda = [](UEdGraphNode* NewNode, bool bIsTemplateNode, TWeakObjectPtr<UFunction> FunctionPtr)
{
UK2Node_LatentAbilityCall* AsyncTaskNode = CastChecked<UK2Node_LatentAbilityCall>(NewNode);
if (FunctionPtr.IsValid())
{
UFunction* Func = FunctionPtr.Get();
UObjectProperty* ReturnProp = CastChecked<UObjectProperty>(Func->GetReturnProperty());
AsyncTaskNode->ProxyFactoryFunctionName = Func->GetFName();
AsyncTaskNode->ProxyFactoryClass = Func->GetOuterUClass();
AsyncTaskNode->ProxyClass = ReturnProp->PropertyClass;
}
};
TWeakObjectPtr<UFunction> FunctionPtr = Function;
NodeSpawner->CustomizeNodeDelegate = UBlueprintNodeSpawner::FCustomizeNodeDelegate::CreateStatic(CustomizeAcyncNodeLambda, FunctionPtr);
// @TODO: since this can't be folded into FBlueprintActionDatabase, we
// need a way to associate these spawners with a certain class
ActionRegistrar.AddBlueprintAction(Function, NodeSpawner);
}
}
}
}
void UK2Node_Message::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
{
Super::ExpandNode(CompilerContext, SourceGraph);
const UEdGraphSchema_K2* Schema = CompilerContext.GetSchema();
UEdGraphPin* ExecPin = Schema->FindExecutionPin(*this, EGPD_Input);
const bool bExecPinConnected = ExecPin && (ExecPin->LinkedTo.Num() > 0);
UEdGraphPin* ThenPin = Schema->FindExecutionPin(*this, EGPD_Output);
const bool bThenPinConnected = ThenPin && (ThenPin->LinkedTo.Num() > 0);
// Skip ourselves if our exec isn't wired up
if (bExecPinConnected)
{
// Make sure our interface is valid
if (FunctionReference.GetMemberParentClass(this) == NULL)
{
CompilerContext.MessageLog.Error(*FString::Printf(*LOCTEXT("MessageNodeInvalid_Error", "Message node @@ has an invalid interface.").ToString()), this);
return;
}
UFunction* MessageNodeFunction = GetTargetFunction();
if (MessageNodeFunction == NULL)
{
//@TODO: Why do this here in teh compiler, it's already done on AllocateDefaultPins() during on-load node reconstruction
MessageNodeFunction = Cast<UFunction>(UK2Node::FindRemappedField(FunctionReference.GetMemberParentClass(this), FunctionReference.GetMemberName()));
}
if (MessageNodeFunction == NULL)
{
CompilerContext.MessageLog.Error(*FString::Printf(*LOCTEXT("MessageNodeInvalidFunction_Error", "Unable to find function with name %s for Message node @@.").ToString(), *(FunctionReference.GetMemberName().ToString())), this);
return;
}
// Check to make sure we have a target
UEdGraphPin* MessageSelfPin = Schema->FindSelfPin(*this, EGPD_Input);
if( !MessageSelfPin || MessageSelfPin->LinkedTo.Num() == 0 )
{
CompilerContext.MessageLog.Error(*FString::Printf(*LOCTEXT("MessageNodeSelfPin_Error", "Message node @@ must have a valid target or reference to self.").ToString()), this);
return;
}
// First, create an internal cast-to-interface node
UK2Node_DynamicCast* CastToInterfaceNode = CompilerContext.SpawnIntermediateNode<UK2Node_DynamicCast>(this, SourceGraph);
CastToInterfaceNode->TargetType = MessageNodeFunction->GetOuterUClass();
CastToInterfaceNode->SetPurity(false);
CastToInterfaceNode->AllocateDefaultPins();
UEdGraphPin* CastToInterfaceResultPin = CastToInterfaceNode->GetCastResultPin();
if( !CastToInterfaceResultPin )
{
CompilerContext.MessageLog.Error(*LOCTEXT("InvalidInterfaceClass_Error", "Node @@ has an invalid target interface class").ToString(), this);
return;
}
CastToInterfaceResultPin->PinType.PinSubCategoryObject = *CastToInterfaceNode->TargetType;
if (ExecPin != nullptr)
{
UEdGraphPin* CastExecInput = CastToInterfaceNode->GetExecPin();
check(CastExecInput != nullptr);
// Wire up the connections
CompilerContext.MovePinLinksToIntermediate(*ExecPin, *CastExecInput);
}
UEdGraphPin* CastToInterfaceSourceObjectPin = CastToInterfaceNode->GetCastSourcePin();
CompilerContext.MovePinLinksToIntermediate(*MessageSelfPin, *CastToInterfaceSourceObjectPin);
// Next, create the function call node
UK2Node_CallFunction* FunctionCallNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
FunctionCallNode->bIsInterfaceCall = true;
FunctionCallNode->FunctionReference = FunctionReference;
FunctionCallNode->AllocateDefaultPins();
UEdGraphPin* CastToInterfaceValidPin = CastToInterfaceNode->GetValidCastPin();
check(CastToInterfaceValidPin != nullptr);
UEdGraphPin* LastOutCastFaildPin = CastToInterfaceNode->GetInvalidCastPin();
check(LastOutCastFaildPin != nullptr);
UEdGraphPin* LastOutCastSuccessPin = CastToInterfaceValidPin;
// Wire up the connections
if (UEdGraphPin* CallFunctionExecPin = Schema->FindExecutionPin(*FunctionCallNode, EGPD_Input))
{
CastToInterfaceValidPin->MakeLinkTo(CallFunctionExecPin);
LastOutCastSuccessPin = Schema->FindExecutionPin(*FunctionCallNode, EGPD_Output);
}
// Self pin
UEdGraphPin* FunctionCallSelfPin = Schema->FindSelfPin(*FunctionCallNode, EGPD_Input);
CastToInterfaceResultPin->MakeLinkTo(FunctionCallSelfPin);
UFunction* ArrayClearFunction = UKismetArrayLibrary::StaticClass()->FindFunctionByName(FName(TEXT("Array_Clear")));
check(ArrayClearFunction);
bool const bIsPureFunc = Super::IsNodePure();
// Variable pins - Try to associate variable inputs to the message node with the variable inputs and outputs to the call function node
for( int32 i = 0; i < Pins.Num(); i++ )
{
UEdGraphPin* CurrentPin = Pins[i];
if( CurrentPin && (CurrentPin->PinType.PinCategory != Schema->PC_Exec) && (CurrentPin->PinName != Schema->PN_Self) )
{
// Try to find a match for the pin on the function call node
UEdGraphPin* FunctionCallPin = FunctionCallNode->FindPin(CurrentPin->PinName);
if( FunctionCallPin )
{
// Move pin links if the pin is connected...
CompilerContext.MovePinLinksToIntermediate(*CurrentPin, *FunctionCallPin);
// when cast fails all return values must be cleared.
if (EEdGraphPinDirection::EGPD_Output == CurrentPin->Direction)
{
UEdGraphPin* VarOutPin = FunctionCallPin;
if (bIsPureFunc)
{
// since we cannot directly use the output from the
// function call node (since it is pure, and invoking
// it with a null target would cause an error), we
// have to use a temporary variable in it's place...
UK2Node_TemporaryVariable* TempVar = CompilerContext.SpawnIntermediateNode<UK2Node_TemporaryVariable>(this, SourceGraph);
TempVar->VariableType = CurrentPin->PinType;
TempVar->AllocateDefaultPins();
VarOutPin = TempVar->GetVariablePin();
// nodes using the function's outputs directly, now
// use this TempVar node instead
CompilerContext.MovePinLinksToIntermediate(*FunctionCallPin, *VarOutPin);
// on a successful cast, the temp var is filled with
// the function's value, on a failed cast, the var
// is filled with a default value (DefaultValueNode,
// below)... this is the node for the success case:
UK2Node_AssignmentStatement* AssignTempVar = CompilerContext.SpawnIntermediateNode<UK2Node_AssignmentStatement>(this, SourceGraph);
AssignTempVar->AllocateDefaultPins();
// assign the output from the pure function node to
// the TempVar (either way, this message node is
// returning the TempVar's value, so on a successful
// cast we want it to have the function's result)
UEdGraphPin* ValueInPin = AssignTempVar->GetValuePin();
Schema->TryCreateConnection(FunctionCallPin, ValueInPin);
AssignTempVar->PinConnectionListChanged(ValueInPin);
UEdGraphPin* VarInPin = AssignTempVar->GetVariablePin();
Schema->TryCreateConnection(VarOutPin, VarInPin);
AssignTempVar->PinConnectionListChanged(VarInPin);
// fold this AssignTempVar node into the cast's
// success execution chain
Schema->TryCreateConnection(AssignTempVar->GetExecPin(), LastOutCastSuccessPin);
LastOutCastSuccessPin = AssignTempVar->GetThenPin();
}
UK2Node* DefaultValueNode = NULL;
UEdGraphPin* DefaultValueThenPin = NULL;
if (CurrentPin->PinType.bIsArray)
{
UK2Node_CallArrayFunction* ClearArray = CompilerContext.SpawnIntermediateNode<UK2Node_CallArrayFunction>(this, SourceGraph);
DefaultValueNode = ClearArray;
ClearArray->SetFromFunction(ArrayClearFunction);
ClearArray->AllocateDefaultPins();
UEdGraphPin* ArrayPin = ClearArray->GetTargetArrayPin();
check(ArrayPin);
Schema->TryCreateConnection(ArrayPin, VarOutPin);
ClearArray->PinConnectionListChanged(ArrayPin);
DefaultValueThenPin = ClearArray->GetThenPin();
}
else
{
UK2Node_AssignmentStatement* AssignDefaultValue = CompilerContext.SpawnIntermediateNode<UK2Node_AssignmentStatement>(this, SourceGraph);
DefaultValueNode = AssignDefaultValue;
AssignDefaultValue->AllocateDefaultPins();
Schema->TryCreateConnection(AssignDefaultValue->GetVariablePin(), VarOutPin);
AssignDefaultValue->PinConnectionListChanged(AssignDefaultValue->GetVariablePin());
Schema->SetPinDefaultValueBasedOnType(AssignDefaultValue->GetValuePin());
DefaultValueThenPin = AssignDefaultValue->GetThenPin();
}
UEdGraphPin* DefaultValueExecPin = DefaultValueNode->GetExecPin();
check(DefaultValueExecPin);
Schema->TryCreateConnection(DefaultValueExecPin, LastOutCastFaildPin);
LastOutCastFaildPin = DefaultValueThenPin;
check(LastOutCastFaildPin);
}
}
else
{
UE_LOG(LogK2Compiler, Log, TEXT("%s"), *LOCTEXT("NoPinConnectionFound_Error", "Unable to find connection for pin! Check AllocateDefaultPins() for consistency!").ToString());
}
}
}
if( bThenPinConnected )
{
check(LastOutCastFaildPin != nullptr);
// Failure case for the cast runs straight through to the exit
CompilerContext.CopyPinLinksToIntermediate(*ThenPin, *LastOutCastFaildPin);
check(LastOutCastSuccessPin != nullptr);
// Copy all links from the invalid cast case above to the call function node
CompilerContext.MovePinLinksToIntermediate(*ThenPin, *LastOutCastSuccessPin);
}
}
// Break all connections to the original node, so it will be pruned
BreakAllNodeLinks();
}