void UK2Node_SpawnActor::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
{
Super::ExpandNode(CompilerContext, SourceGraph);
static FName BeginSpawningBlueprintFuncName = GET_FUNCTION_NAME_CHECKED(UGameplayStatics, BeginSpawningActorFromBlueprint);
static FString BlueprintParamName = FString(TEXT("Blueprint"));
static FString WorldContextParamName = FString(TEXT("WorldContextObject"));
static FName FinishSpawningFuncName = GET_FUNCTION_NAME_CHECKED(UGameplayStatics, FinishSpawningActor);
static FString ActorParamName = FString(TEXT("Actor"));
static FString TransformParamName = FString(TEXT("SpawnTransform"));
static FString NoCollisionFailParamName = FString(TEXT("bNoCollisionFail"));
static FString ObjectParamName = FString(TEXT("Object"));
static FString ValueParamName = FString(TEXT("Value"));
static FString PropertyNameParamName = FString(TEXT("PropertyName"));
const UEdGraphSchema_K2* Schema = CompilerContext.GetSchema();
UEdGraphPin* SpawnNodeExec = GetExecPin();
UEdGraphPin* SpawnNodeTransform = GetSpawnTransformPin();
UEdGraphPin* SpawnNodeNoCollisionFail = GetNoCollisionFailPin();
UEdGraphPin* SpawnWorldContextPin = GetWorldContextPin();
UEdGraphPin* SpawnBlueprintPin = GetBlueprintPin();
UEdGraphPin* SpawnNodeThen = GetThenPin();
UEdGraphPin* SpawnNodeResult = GetResultPin();
UBlueprint* SpawnBlueprint = NULL;
if(SpawnBlueprintPin != NULL)
{
SpawnBlueprint = Cast<UBlueprint>(SpawnBlueprintPin->DefaultObject);
}
if(NULL == SpawnBlueprint)
{
CompilerContext.MessageLog.Error(*LOCTEXT("SpawnActorNodeMissingBlueprint_Error", "Spawn node @@ must have a blueprint specified.").ToString(), this);
// we break exec links so this is the only error we get, don't want the SpawnActor node being considered and giving 'unexpected node' type warnings
BreakAllNodeLinks();
return;
}
if(0 == SpawnBlueprintPin->LinkedTo.Num())
{
if(NULL == SpawnBlueprint)
{
CompilerContext.MessageLog.Error(*LOCTEXT("SpawnActorNodeMissingBlueprint_Error", "Spawn node @@ must have a blueprint specified.").ToString(), this);
// we break exec links so this is the only error we get, don't want the SpawnActor node being considered and giving 'unexpected node' type warnings
BreakAllNodeLinks();
return;
}
// check if default blueprint is based on Actor
const UClass* GeneratedClass = SpawnBlueprint->GeneratedClass;
bool bInvalidBase = GeneratedClass && !GeneratedClass->IsChildOf(AActor::StaticClass());
const UClass* SkeletonGeneratedClass = Cast<UClass>(SpawnBlueprint->SkeletonGeneratedClass);
bInvalidBase |= SkeletonGeneratedClass && !SkeletonGeneratedClass->IsChildOf(AActor::StaticClass());
if(bInvalidBase)
{
CompilerContext.MessageLog.Error(*LOCTEXT("SpawnActorNodeInvalidBlueprint_Error", "Spawn node @@ must have a blueprint based on Actor specified.").ToString(), this);
// we break exec links so this is the only error we get, don't want the SpawnActor node being considered and giving 'unexpected node' type warnings
BreakAllNodeLinks();
return;
}
}
//////////////////////////////////////////////////////////////////////////
// create 'begin spawn' call node
UK2Node_CallFunction* CallBeginSpawnNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
CallBeginSpawnNode->FunctionReference.SetExternalMember(BeginSpawningBlueprintFuncName, UGameplayStatics::StaticClass());
CallBeginSpawnNode->AllocateDefaultPins();
UEdGraphPin* CallBeginExec = CallBeginSpawnNode->GetExecPin();
UEdGraphPin* CallBeginWorldContextPin = CallBeginSpawnNode->FindPinChecked(WorldContextParamName);
UEdGraphPin* CallBeginBlueprintPin = CallBeginSpawnNode->FindPinChecked(BlueprintParamName);
UEdGraphPin* CallBeginTransform = CallBeginSpawnNode->FindPinChecked(TransformParamName);
UEdGraphPin* CallBeginNoCollisionFail = CallBeginSpawnNode->FindPinChecked(NoCollisionFailParamName);
UEdGraphPin* CallBeginResult = CallBeginSpawnNode->GetReturnValuePin();
// Move 'exec' connection from spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeExec, *CallBeginExec);
if(SpawnBlueprintPin->LinkedTo.Num() > 0)
{
// Copy the 'blueprint' connection from the spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnBlueprintPin, *CallBeginBlueprintPin);
}
else
{
// Copy blueprint literal onto begin spawn call
CallBeginBlueprintPin->DefaultObject = SpawnBlueprint;
}
// Copy the world context connection from the spawn node to 'begin spawn' if necessary
if (SpawnWorldContextPin)
{
CompilerContext.MovePinLinksToIntermediate(*SpawnWorldContextPin, *CallBeginWorldContextPin);
}
// Copy the 'transform' connection from the spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeTransform, *CallBeginTransform);
// Copy the 'bNoCollisionFail' connection from the spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeNoCollisionFail, *CallBeginNoCollisionFail);
//////////////////////////////////////////////////////////////////////////
// create 'finish spawn' call node
UK2Node_CallFunction* CallFinishSpawnNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
CallFinishSpawnNode->FunctionReference.SetExternalMember(FinishSpawningFuncName, UGameplayStatics::StaticClass());
CallFinishSpawnNode->AllocateDefaultPins();
UEdGraphPin* CallFinishExec = CallFinishSpawnNode->GetExecPin();
UEdGraphPin* CallFinishThen = CallFinishSpawnNode->GetThenPin();
UEdGraphPin* CallFinishActor = CallFinishSpawnNode->FindPinChecked(ActorParamName);
UEdGraphPin* CallFinishTransform = CallFinishSpawnNode->FindPinChecked(TransformParamName);
UEdGraphPin* CallFinishResult = CallFinishSpawnNode->GetReturnValuePin();
// Move 'then' connection from spawn node to 'finish spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeThen, *CallFinishThen);
// Copy transform connection
CompilerContext.CopyPinLinksToIntermediate(*CallBeginTransform, *CallFinishTransform);
// Connect output actor from 'begin' to 'finish'
CallBeginResult->MakeLinkTo(CallFinishActor);
// Move result connection from spawn node to 'finish spawn'
CallFinishResult->PinType = SpawnNodeResult->PinType; // Copy type so it uses the right actor subclass
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeResult, *CallFinishResult);
//////////////////////////////////////////////////////////////////////////
// create 'set var' nodes
// Get 'result' pin from 'begin spawn', this is the actual actor we want to set properties on
UK2Node_CallFunction* LastNode = CallBeginSpawnNode;
// Create 'set var by name' nodes and hook them up
for(int32 PinIdx=0; PinIdx < Pins.Num(); PinIdx++)
{
// Only create 'set param by name' node if this pin is linked to something
UEdGraphPin* SpawnVarPin = Pins[PinIdx];
if(SpawnVarPin->LinkedTo.Num() > 0)
{
UFunction* SetByNameFunction = Schema->FindSetVariableByNameFunction(SpawnVarPin->PinType);
if(SetByNameFunction)
{
UK2Node_CallFunction* SetVarNode = NULL;
if(SpawnVarPin->PinType.bIsArray)
{
SetVarNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallArrayFunction>(this, SourceGraph);
}
else
{
SetVarNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
}
SetVarNode->SetFromFunction(SetByNameFunction);
SetVarNode->AllocateDefaultPins();
// Connect this node into the exec chain
UEdGraphPin* LastThen = LastNode->GetThenPin();
UEdGraphPin* SetVarExec = SetVarNode->GetExecPin();
LastThen->MakeLinkTo(SetVarExec);
// Connect the new actor to the 'object' pin
UEdGraphPin* ObjectPin = SetVarNode->FindPinChecked(ObjectParamName);
CallBeginResult->MakeLinkTo(ObjectPin);
// Fill in literal for 'property name' pin - name of pin is property name
UEdGraphPin* PropertyNamePin = SetVarNode->FindPinChecked(PropertyNameParamName);
PropertyNamePin->DefaultValue = SpawnVarPin->PinName;
// Move connection from the variable pin on the spawn node to the 'value' pin
UEdGraphPin* ValuePin = SetVarNode->FindPinChecked(ValueParamName);
CompilerContext.MovePinLinksToIntermediate(*SpawnVarPin, *ValuePin);
if(SpawnVarPin->PinType.bIsArray)
{
SetVarNode->PinConnectionListChanged(ValuePin);
}
// Update 'last node in sequence' var
LastNode = SetVarNode;
}
}
}
// Make exec connection between 'then' on last node and 'finish'
UEdGraphPin* LastThen = LastNode->GetThenPin();
LastThen->MakeLinkTo(CallFinishExec);
// Break any links to the expanded node
BreakAllNodeLinks();
}
void UK2Node_GetEnumeratorName::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
{
Super::ExpandNode(CompilerContext, SourceGraph);
UEnum* Enum = GetEnum();
if(NULL == Enum)
{
CompilerContext.MessageLog.Error(*FString::Printf(*NSLOCTEXT("K2Node", "GetEnumeratorNam_Error_MustHaveValidName", "@@ must have a valid enum defined").ToString()), this);
return;
}
const UEdGraphSchema_K2* Schema = CompilerContext.GetSchema();
const UFunction* Function = UKismetNodeHelperLibrary::StaticClass()->FindFunctionByName( GetFunctionName() );
check(NULL != Function);
UK2Node_CallFunction* CallGetName = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
CallGetName->SetFromFunction(Function);
CallGetName->AllocateDefaultPins();
check(CallGetName->IsNodePure());
//OPUTPUT PIN
UEdGraphPin* OrgReturnPin = FindPinChecked(Schema->PN_ReturnValue);
UEdGraphPin* NewReturnPin = CallGetName->GetReturnValuePin();
check(NULL != NewReturnPin);
CompilerContext.MovePinLinksToIntermediate(*OrgReturnPin, *NewReturnPin);
//ENUM PIN
UEdGraphPin* EnumPin = CallGetName->FindPinChecked(TEXT("Enum"));
Schema->TrySetDefaultObject(*EnumPin, Enum);
check(EnumPin->DefaultObject == Enum);
//VALUE PIN
UEdGraphPin* OrgInputPin = FindPinChecked(EnumeratorPinName);
UEdGraphPin* IndexPin = CallGetName->FindPinChecked(TEXT("EnumeratorValue"));
check(EGPD_Input == IndexPin->Direction && Schema->PC_Byte == IndexPin->PinType.PinCategory);
CompilerContext.MovePinLinksToIntermediate(*OrgInputPin, *IndexPin);
if (!IndexPin->LinkedTo.Num())
{
//MAKE LITERAL BYTE FROM LITERAL ENUM
const FString EnumLiteral = IndexPin->GetDefaultAsString();
const int32 NumericValue = Enum->GetValueByName(*EnumLiteral);
if (NumericValue == INDEX_NONE)
{
CompilerContext.MessageLog.Error(*FString::Printf(*NSLOCTEXT("K2Node", "GetEnumeratorNam_Error_InvalidName", "@@ has invalid enum value '%s'").ToString(), *EnumLiteral), this);
return;
}
const FString DefaultByteValue = FString::FromInt(NumericValue);
// LITERAL BYTE FUNCTION
const FName FunctionName = GET_FUNCTION_NAME_CHECKED(UKismetSystemLibrary, MakeLiteralByte);
UK2Node_CallFunction* MakeLiteralByte = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
MakeLiteralByte->SetFromFunction(UKismetSystemLibrary::StaticClass()->FindFunctionByName(FunctionName));
MakeLiteralByte->AllocateDefaultPins();
UEdGraphPin* MakeLiteralByteReturnPin = MakeLiteralByte->FindPinChecked(Schema->PN_ReturnValue);
Schema->TryCreateConnection(MakeLiteralByteReturnPin, IndexPin);
UEdGraphPin* MakeLiteralByteInputPin = MakeLiteralByte->FindPinChecked(TEXT("Value"));
MakeLiteralByteInputPin->DefaultValue = DefaultByteValue;
}
BreakAllNodeLinks();
}
//amd this is where magic really happens. This will expand node for our custom object, with properties
//which are set as EditAwnywhere and meta=(ExposeOnSpawn), or equivalent in blueprint.
void UBPNode_CreateItemData::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
{
Super::ExpandNode(CompilerContext, SourceGraph);
//look for static function in BlueprintFunctionLibrary
//In this class and of this name
static FName Create_FunctionName = GET_FUNCTION_NAME_CHECKED(UGISBlueprintFunctionLibrary, CreateItem);
//with these inputs (as a Side note, these should be probabaly FName not FString)
static FString WorldContextObject_ParamName = FString(TEXT("WorldContextObject"));
static FString WidgetType_ParamName = FString(TEXT("ItemClass"));
static FString OwningPlayer_ParamName = FString(TEXT("OwningPlayer"));
//get pointer to self;
UBPNode_CreateItemData* CreateItemDataNode = this;
//get pointers to default pins.
//Exec pins are those big arrows, connected with thick white lines.
UEdGraphPin* SpawnNodeExec = CreateItemDataNode->GetExecPin();
//gets world context pin from our static function
UEdGraphPin* SpawnWorldContextPin = CreateItemDataNode->GetWorldContextPin();
//the same as above
UEdGraphPin* SpawnOwningPlayerPin = CreateItemDataNode->GetOwningPlayerPin();
//get class pin which is used to determine which class to spawn.
UEdGraphPin* SpawnClassPin = CreateItemDataNode->GetClassPin();
//then pin is the same as exec pin, just on the other side (the out arrow).
UEdGraphPin* SpawnNodeThen = CreateItemDataNode->GetThenPin();
//result pin, which will output our spawned object.
UEdGraphPin* SpawnNodeResult = CreateItemDataNode->GetResultPin();
UClass* SpawnClass = (SpawnClassPin != NULL) ? Cast<UClass>(SpawnClassPin->DefaultObject) : NULL;
if ((0 == SpawnClassPin->LinkedTo.Num()) && (NULL == SpawnClass))
{
CompilerContext.MessageLog.Error(*LOCTEXT("CreateItemDAtaNodeMissingClass_Error", "Spawn node @@ must have a class specified.").ToString(), CreateItemDataNode);
// we break exec links so this is the only error we get, don't want the CreateItemData node being considered and giving 'unexpected node' type warnings
CreateItemDataNode->BreakAllNodeLinks();
return;
}
//////////////////////////////////////////////////////////////////////////
// create 'UWidgetBlueprintLibrary::Create' call node
UK2Node_CallFunction* CallCreateNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(CreateItemDataNode, SourceGraph);
CallCreateNode->FunctionReference.SetExternalMember(Create_FunctionName, UBPNode_CreateItemData::StaticClass());
CallCreateNode->AllocateDefaultPins();
//allocate nodes for created widget.
UEdGraphPin* CallCreateExec = CallCreateNode->GetExecPin();
UEdGraphPin* CallCreateWorldContextPin = CallCreateNode->FindPinChecked(WorldContextObject_ParamName);
UEdGraphPin* CallCreateWidgetTypePin = CallCreateNode->FindPinChecked(WidgetType_ParamName);
UEdGraphPin* CallCreateOwningPlayerPin = CallCreateNode->FindPinChecked(OwningPlayer_ParamName);
UEdGraphPin* CallCreateResult = CallCreateNode->GetReturnValuePin();
// Move 'exec' connection from create widget node to 'UWidgetBlueprintLibrary::Create'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeExec, *CallCreateExec);
if (SpawnClassPin->LinkedTo.Num() > 0)
{
// Copy the 'blueprint' connection from the spawn node to 'UWidgetBlueprintLibrary::Create'
CompilerContext.MovePinLinksToIntermediate(*SpawnClassPin, *CallCreateWidgetTypePin);
}
else
{
// Copy blueprint literal onto 'UWidgetBlueprintLibrary::Create' call
CallCreateWidgetTypePin->DefaultObject = SpawnClass;
}
// Copy the world context connection from the spawn node to 'UWidgetBlueprintLibrary::Create' if necessary
if (SpawnWorldContextPin)
{
CompilerContext.MovePinLinksToIntermediate(*SpawnWorldContextPin, *CallCreateWorldContextPin);
}
// Copy the 'Owning Player' connection from the spawn node to 'UWidgetBlueprintLibrary::Create'
CompilerContext.MovePinLinksToIntermediate(*SpawnOwningPlayerPin, *CallCreateOwningPlayerPin);
// Move result connection from spawn node to 'UWidgetBlueprintLibrary::Create'
CallCreateResult->PinType = SpawnNodeResult->PinType; // Copy type so it uses the right actor subclass
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeResult, *CallCreateResult);
//////////////////////////////////////////////////////////////////////////
// create 'set var' nodes
// Get 'result' pin from 'begin spawn', this is the actual actor we want to set properties on
UEdGraphPin* LastThen = FKismetCompilerUtilities::GenerateAssignmentNodes(CompilerContext, SourceGraph, CallCreateNode, CreateItemDataNode, CallCreateResult, GetClassToSpawn());
// Move 'then' connection from create widget node to the last 'then'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeThen, *LastThen);
// Break any links to the expanded node
CreateItemDataNode->BreakAllNodeLinks();
}
void UK2Node_SpawnActorFromClass::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
{
Super::ExpandNode(CompilerContext, SourceGraph);
static FName BeginSpawningBlueprintFuncName = GET_FUNCTION_NAME_CHECKED(UGameplayStatics, BeginSpawningActorFromClass);
static FString ActorClassParamName = FString(TEXT("ActorClass"));
static FString WorldContextParamName = FString(TEXT("WorldContextObject"));
static FName FinishSpawningFuncName = GET_FUNCTION_NAME_CHECKED(UGameplayStatics, FinishSpawningActor);
static FString ActorParamName = FString(TEXT("Actor"));
static FString TransformParamName = FString(TEXT("SpawnTransform"));
static FString NoCollisionFailParamName = FString(TEXT("bNoCollisionFail"));
static FString OwnerParamName = FString(TEXT("Owner"));
static FString ObjectParamName = FString(TEXT("Object"));
static FString ValueParamName = FString(TEXT("Value"));
static FString PropertyNameParamName = FString(TEXT("PropertyName"));
UK2Node_SpawnActorFromClass* SpawnNode = this;
UEdGraphPin* SpawnNodeExec = SpawnNode->GetExecPin();
UEdGraphPin* SpawnNodeTransform = SpawnNode->GetSpawnTransformPin();
UEdGraphPin* SpawnNodeNoCollisionFail = GetNoCollisionFailPin();
UEdGraphPin* SpawnWorldContextPin = SpawnNode->GetWorldContextPin();
UEdGraphPin* SpawnClassPin = SpawnNode->GetClassPin();
UEdGraphPin* SpawnNodeOwnerPin = SpawnNode->GetOwnerPin();
UEdGraphPin* SpawnNodeThen = SpawnNode->GetThenPin();
UEdGraphPin* SpawnNodeResult = SpawnNode->GetResultPin();
UClass* SpawnClass = (SpawnClassPin != NULL) ? Cast<UClass>(SpawnClassPin->DefaultObject) : NULL;
if((0 == SpawnClassPin->LinkedTo.Num()) && (NULL == SpawnClass))
{
CompilerContext.MessageLog.Error(*LOCTEXT("SpawnActorNodeMissingClass_Error", "Spawn node @@ must have a class specified.").ToString(), SpawnNode);
// we break exec links so this is the only error we get, don't want the SpawnActor node being considered and giving 'unexpected node' type warnings
SpawnNode->BreakAllNodeLinks();
return;
}
//////////////////////////////////////////////////////////////////////////
// create 'begin spawn' call node
UK2Node_CallFunction* CallBeginSpawnNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(SpawnNode, SourceGraph);
CallBeginSpawnNode->FunctionReference.SetExternalMember(BeginSpawningBlueprintFuncName, UGameplayStatics::StaticClass());
CallBeginSpawnNode->AllocateDefaultPins();
UEdGraphPin* CallBeginExec = CallBeginSpawnNode->GetExecPin();
UEdGraphPin* CallBeginWorldContextPin = CallBeginSpawnNode->FindPinChecked(WorldContextParamName);
UEdGraphPin* CallBeginActorClassPin = CallBeginSpawnNode->FindPinChecked(ActorClassParamName);
UEdGraphPin* CallBeginTransform = CallBeginSpawnNode->FindPinChecked(TransformParamName);
UEdGraphPin* CallBeginNoCollisionFail = CallBeginSpawnNode->FindPinChecked(NoCollisionFailParamName);
UEdGraphPin* CallBeginOwnerPin = CallBeginSpawnNode->FindPinChecked(FK2Node_SpawnActorFromClassHelper::OwnerPinName);
UEdGraphPin* CallBeginResult = CallBeginSpawnNode->GetReturnValuePin();
// Move 'exec' connection from spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeExec, *CallBeginExec);
if(SpawnClassPin->LinkedTo.Num() > 0)
{
// Copy the 'blueprint' connection from the spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnClassPin, *CallBeginActorClassPin);
}
else
{
// Copy blueprint literal onto begin spawn call
CallBeginActorClassPin->DefaultObject = SpawnClass;
}
// Copy the world context connection from the spawn node to 'begin spawn' if necessary
if (SpawnWorldContextPin)
{
CompilerContext.MovePinLinksToIntermediate(*SpawnWorldContextPin, *CallBeginWorldContextPin);
}
if (SpawnNodeOwnerPin != nullptr)
{
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeOwnerPin, *CallBeginOwnerPin);
}
// Copy the 'transform' connection from the spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeTransform, *CallBeginTransform);
// Copy the 'bNoCollisionFail' connection from the spawn node to 'begin spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeNoCollisionFail, *CallBeginNoCollisionFail);
//////////////////////////////////////////////////////////////////////////
// create 'finish spawn' call node
UK2Node_CallFunction* CallFinishSpawnNode = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(SpawnNode, SourceGraph);
CallFinishSpawnNode->FunctionReference.SetExternalMember(FinishSpawningFuncName, UGameplayStatics::StaticClass());
CallFinishSpawnNode->AllocateDefaultPins();
UEdGraphPin* CallFinishExec = CallFinishSpawnNode->GetExecPin();
UEdGraphPin* CallFinishThen = CallFinishSpawnNode->GetThenPin();
UEdGraphPin* CallFinishActor = CallFinishSpawnNode->FindPinChecked(ActorParamName);
UEdGraphPin* CallFinishTransform = CallFinishSpawnNode->FindPinChecked(TransformParamName);
UEdGraphPin* CallFinishResult = CallFinishSpawnNode->GetReturnValuePin();
// Move 'then' connection from spawn node to 'finish spawn'
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeThen, *CallFinishThen);
// Copy transform connection
CompilerContext.CopyPinLinksToIntermediate(*CallBeginTransform, *CallFinishTransform);
// Connect output actor from 'begin' to 'finish'
CallBeginResult->MakeLinkTo(CallFinishActor);
// Move result connection from spawn node to 'finish spawn'
CallFinishResult->PinType = SpawnNodeResult->PinType; // Copy type so it uses the right actor subclass
CompilerContext.MovePinLinksToIntermediate(*SpawnNodeResult, *CallFinishResult);
//////////////////////////////////////////////////////////////////////////
// create 'set var' nodes
// Get 'result' pin from 'begin spawn', this is the actual actor we want to set properties on
UEdGraphPin* LastThen = FKismetCompilerUtilities::GenerateAssignmentNodes(CompilerContext, SourceGraph, CallBeginSpawnNode, SpawnNode, CallBeginResult, GetClassToSpawn() );
// Make exec connection between 'then' on last node and 'finish'
LastThen->MakeLinkTo(CallFinishExec);
// Break any links to the expanded node
SpawnNode->BreakAllNodeLinks();
}
void UK2Node_FormatText::ExpandNode(class FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
{
Super::ExpandNode(CompilerContext, SourceGraph);
if (CompilerContext.bIsFullCompile)
{
/**
At the end of this, the UK2Node_FormatText will not be a part of the Blueprint, it merely handles connecting
the other nodes into the Blueprint.
*/
const UEdGraphSchema_K2* Schema = CompilerContext.GetSchema();
// Create a "Make Array" node to compile the list of arguments into an array for the Format function being called
UK2Node_MakeArray* MakeArrayNode = CompilerContext.SpawnIntermediateNode<UK2Node_MakeArray>(this, SourceGraph); //SourceGraph->CreateBlankNode<UK2Node_MakeArray>();
MakeArrayNode->AllocateDefaultPins();
CompilerContext.MessageLog.NotifyIntermediateObjectCreation(MakeArrayNode, this);
UEdGraphPin* ArrayOut = MakeArrayNode->GetOutputPin();
// This is the node that does all the Format work.
UK2Node_CallFunction* CallFunction = CompilerContext.SpawnIntermediateNode<UK2Node_CallFunction>(this, SourceGraph);
CallFunction->SetFromFunction(UK2Node_FormatText::StaticClass()->FindFunctionByName("Format"));
CallFunction->AllocateDefaultPins();
CompilerContext.MessageLog.NotifyIntermediateObjectCreation(CallFunction, this);
// Connect the output of the "Make Array" pin to the function's "InArgs" pin
ArrayOut->MakeLinkTo(CallFunction->FindPin(TEXT("InArgs")));
// This will set the "Make Array" node's type, only works if one pin is connected.
MakeArrayNode->PinConnectionListChanged(ArrayOut);
// For each argument, we will need to add in a "Make Struct" node.
for(int32 ArgIdx = 0; ArgIdx < PinNames.Num(); ++ArgIdx)
{
UEdGraphPin* ArgumentPin = FindArgumentPin(PinNames[ArgIdx]);
// Spawn a "Make Struct" node to create the struct needed for formatting the text.
UK2Node_MakeStruct* PinMakeStruct = CompilerContext.SpawnIntermediateNode<UK2Node_MakeStruct>(this, SourceGraph); //SourceGraph->CreateBlankNode<UK2Node_CallFunction>();
PinMakeStruct->StructType = FFormatTextArgument::StaticStruct();
PinMakeStruct->AllocateDefaultPins();
// Set the struct's "ArgumentName" pin literal to be the argument pin's name.
PinMakeStruct->GetSchema()->TrySetDefaultText(*PinMakeStruct->FindPin("ArgumentName"), FText::FromString(ArgumentPin->PinName));
// Move the connection of the argument pin to the struct's "TextValue" pin, this will move the literal value if present.
CompilerContext.CheckConnectionResponse(Schema->MovePinLinks(*ArgumentPin, *PinMakeStruct->FindPin("TextValue")), this);
// The "Make Array" node already has one pin available, so don't create one for ArgIdx == 0
if(ArgIdx > 0)
{
MakeArrayNode->AddInputPin();
}
// Find the input pin on the "Make Array" node by index.
FString PinName = FString::Printf(TEXT("[%d]"), ArgIdx);
UEdGraphPin* InputPin = MakeArrayNode->FindPin(PinName);
// Find the output for the pin's "Make Struct" node and link it to the corresponding pin on the "Make Array" node.
FindOutputStructPinChecked(PinMakeStruct)->MakeLinkTo(InputPin);
}
// Move connection of FormatText's "Result" pin to the call function's return value pin.
CompilerContext.CheckConnectionResponse(Schema->MovePinLinks(*FindPin(TEXT("Result")), *CallFunction->GetReturnValuePin()), this);
// Move connection of FormatText's "Format" pin to the call function's "InPattern" pin
CompilerContext.CheckConnectionResponse(Schema->MovePinLinks(*FindPin(TEXT("Format")), *CallFunction->FindPin(TEXT("InPattern"))), this);
BreakAllNodeLinks();
}
}
