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249 lines
12 KiB
C++
249 lines
12 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#include "BlueprintGraphPrivatePCH.h"
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#include "K2Node_InputTouchEvent.h"
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#include "CompilerResultsLog.h"
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#include "KismetCompiler.h"
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#include "BlueprintNodeSpawner.h"
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#include "EditorCategoryUtils.h"
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#include "BlueprintActionDatabaseRegistrar.h"
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UK2Node_InputTouch::UK2Node_InputTouch(const class FPostConstructInitializeProperties& PCIP)
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: Super(PCIP)
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{
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bConsumeInput = true;
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bOverrideParentBinding = true;
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}
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void UK2Node_InputTouch::PostLoad()
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{
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Super::PostLoad();
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if (GetLinkerUE4Version() < VER_UE4_BLUEPRINT_INPUT_BINDING_OVERRIDES)
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{
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// Don't change existing behaviors
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bOverrideParentBinding = false;
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}
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}
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UEnum* UK2Node_InputTouch::GetTouchIndexEnum()
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{
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static UEnum* TouchIndexEnum = NULL;
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if(NULL == TouchIndexEnum)
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{
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FName TouchIndexEnumName(TEXT("ETouchIndex::Touch1"));
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UEnum::LookupEnumName(TouchIndexEnumName, &TouchIndexEnum);
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check(TouchIndexEnum);
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}
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return TouchIndexEnum;
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}
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void UK2Node_InputTouch::AllocateDefaultPins()
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{
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const UEdGraphSchema_K2* K2Schema = GetDefault<UEdGraphSchema_K2>();
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CreatePin(EGPD_Output, K2Schema->PC_Exec, TEXT(""), NULL, false, false, TEXT("Pressed"));
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CreatePin(EGPD_Output, K2Schema->PC_Exec, TEXT(""), NULL, false, false, TEXT("Released"));
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UScriptStruct* VectorStruct = FindObjectChecked<UScriptStruct>(UObject::StaticClass(), TEXT("Vector"));
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CreatePin(EGPD_Output, K2Schema->PC_Struct, TEXT(""), VectorStruct, false, false, TEXT("Location"));
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CreatePin(EGPD_Output, K2Schema->PC_Byte, TEXT(""), GetTouchIndexEnum(), false, false, TEXT("FingerIndex"));
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Super::AllocateDefaultPins();
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}
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FLinearColor UK2Node_InputTouch::GetNodeTitleColor() const
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{
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return GetDefault<UGraphEditorSettings>()->EventNodeTitleColor;
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}
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FText UK2Node_InputTouch::GetNodeTitle(ENodeTitleType::Type TitleType) const
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{
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FText Title = NSLOCTEXT("K2Node", "InputTouch_Name", "InputTouch");
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if (TitleType == ENodeTitleType::MenuTitle)
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{
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Title = NSLOCTEXT("K2Node", "InputTouch_ListTitle", "Touch");
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}
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return Title;
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}
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void UK2Node_InputTouch::GetMenuActions(FBlueprintActionDatabaseRegistrar& ActionRegistrar) const
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{
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// actions get registered under specific object-keys; the idea is that
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// actions might have to be updated (or deleted) if their object-key is
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// mutated (or removed)... here we use the node's class (so if the node
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// type disappears, then the action should go with it)
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UClass* ActionKey = GetClass();
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// to keep from needlessly instantiating a UBlueprintNodeSpawner, first
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// check to make sure that the registrar is looking for actions of this type
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// (could be regenerating actions for a specific asset, and therefore the
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// registrar would only accept actions corresponding to that asset)
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if (ActionRegistrar.IsOpenForRegistration(ActionKey))
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{
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UBlueprintNodeSpawner* NodeSpawner = UBlueprintNodeSpawner::Create(GetClass());
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check(NodeSpawner != nullptr);
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ActionRegistrar.AddBlueprintAction(ActionKey, NodeSpawner);
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}
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}
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FText UK2Node_InputTouch::GetMenuCategory() const
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{
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return FEditorCategoryUtils::GetCommonCategory(FCommonEditorCategory::Input);
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}
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bool UK2Node_InputTouch::IsCompatibleWithGraph(const UEdGraph* TargetGraph) const
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{
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UBlueprint* Blueprint = FBlueprintEditorUtils::FindBlueprintForGraph(TargetGraph);
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UEdGraphSchema_K2 const* K2Schema = Cast<UEdGraphSchema_K2>(TargetGraph->GetSchema());
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bool const bIsConstructionScript = (K2Schema != nullptr) ? K2Schema->IsConstructionScript(TargetGraph) : false;
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return (Blueprint != nullptr) && Blueprint->SupportsInputEvents() && !bIsConstructionScript && Super::IsCompatibleWithGraph(TargetGraph);
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}
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UEdGraphPin* UK2Node_InputTouch::GetPressedPin() const
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{
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return FindPin(TEXT("Pressed"));
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}
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UEdGraphPin* UK2Node_InputTouch::GetReleasedPin() const
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{
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return FindPin(TEXT("Released"));
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}
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UEdGraphPin* UK2Node_InputTouch::GetLocationPin() const
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{
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return FindPin(TEXT("Location"));
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}
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UEdGraphPin* UK2Node_InputTouch::GetFingerIndexPin() const
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{
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return FindPin(TEXT("FingerIndex"));
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}
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void UK2Node_InputTouch::ExpandNode(FKismetCompilerContext& CompilerContext, UEdGraph* SourceGraph)
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{
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Super::ExpandNode(CompilerContext, SourceGraph);
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if (CompilerContext.bIsFullCompile)
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{
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UEdGraphPin* InputTouchPressedPin = GetPressedPin();
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UEdGraphPin* InputTouchReleasedPin = GetReleasedPin();
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const UEdGraphSchema_K2* Schema = CompilerContext.GetSchema();
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// If both are linked we have to do more complicated behaviors
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if (InputTouchPressedPin->LinkedTo.Num() > 0 && InputTouchReleasedPin->LinkedTo.Num() > 0)
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{
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// Create the input touch events
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UK2Node_InputTouchEvent* InputTouchPressedEvent = CompilerContext.SpawnIntermediateNode<UK2Node_InputTouchEvent>(this, SourceGraph);
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InputTouchPressedEvent->CustomFunctionName = FName( *FString::Printf(TEXT("InpTchEvt_%s"), *InputTouchPressedEvent->GetName()));
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InputTouchPressedEvent->bConsumeInput = bConsumeInput;
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InputTouchPressedEvent->bExecuteWhenPaused = bExecuteWhenPaused;
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InputTouchPressedEvent->bOverrideParentBinding = bOverrideParentBinding;
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InputTouchPressedEvent->InputKeyEvent = IE_Pressed;
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InputTouchPressedEvent->EventSignatureName = TEXT("InputTouchHandlerDynamicSignature__DelegateSignature");
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InputTouchPressedEvent->EventSignatureClass = UInputComponent::StaticClass();
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InputTouchPressedEvent->bInternalEvent = true;
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InputTouchPressedEvent->AllocateDefaultPins();
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UK2Node_InputTouchEvent* InputTouchReleasedEvent = CompilerContext.SpawnIntermediateNode<UK2Node_InputTouchEvent>(this, SourceGraph);
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InputTouchReleasedEvent->CustomFunctionName = FName( *FString::Printf(TEXT("InpTchEvt_%s"), *InputTouchReleasedEvent->GetName()));
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InputTouchReleasedEvent->bConsumeInput = bConsumeInput;
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InputTouchReleasedEvent->bExecuteWhenPaused = bExecuteWhenPaused;
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InputTouchReleasedEvent->bOverrideParentBinding = bOverrideParentBinding;
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InputTouchReleasedEvent->InputKeyEvent = IE_Released;
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InputTouchReleasedEvent->EventSignatureName = TEXT("InputTouchHandlerDynamicSignature__DelegateSignature");
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InputTouchReleasedEvent->EventSignatureClass = UInputComponent::StaticClass();
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InputTouchReleasedEvent->bInternalEvent = true;
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InputTouchReleasedEvent->AllocateDefaultPins();
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// Create a temporary variable to copy location in to
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static UScriptStruct* VectorStruct = FindObjectChecked<UScriptStruct>(UObject::StaticClass(), TEXT("Vector"));
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UK2Node_TemporaryVariable* TouchLocationVar = CompilerContext.SpawnIntermediateNode<UK2Node_TemporaryVariable>(this, SourceGraph);
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TouchLocationVar->VariableType.PinCategory = Schema->PC_Struct;
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TouchLocationVar->VariableType.PinSubCategoryObject = VectorStruct;
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TouchLocationVar->AllocateDefaultPins();
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// Create assignment nodes to assign the location
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UK2Node_AssignmentStatement* TouchPressedLocationInitialize = CompilerContext.SpawnIntermediateNode<UK2Node_AssignmentStatement>(this, SourceGraph);
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TouchPressedLocationInitialize->AllocateDefaultPins();
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Schema->TryCreateConnection(TouchLocationVar->GetVariablePin(), TouchPressedLocationInitialize->GetVariablePin());
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Schema->TryCreateConnection(TouchPressedLocationInitialize->GetValuePin(), InputTouchPressedEvent->FindPinChecked(TEXT("Location")));
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UK2Node_AssignmentStatement* TouchReleasedLocationInitialize = CompilerContext.SpawnIntermediateNode<UK2Node_AssignmentStatement>(this, SourceGraph);
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TouchReleasedLocationInitialize->AllocateDefaultPins();
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Schema->TryCreateConnection(TouchLocationVar->GetVariablePin(), TouchReleasedLocationInitialize->GetVariablePin());
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Schema->TryCreateConnection(TouchReleasedLocationInitialize->GetValuePin(), InputTouchReleasedEvent->FindPinChecked(TEXT("Location")));
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// Connect the events to the assign location nodes
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Schema->TryCreateConnection(Schema->FindExecutionPin(*InputTouchPressedEvent, EGPD_Output), TouchPressedLocationInitialize->GetExecPin());
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Schema->TryCreateConnection(Schema->FindExecutionPin(*InputTouchReleasedEvent, EGPD_Output), TouchReleasedLocationInitialize->GetExecPin());
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// Create a temporary variable to copy finger index in to
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UK2Node_TemporaryVariable* TouchFingerVar = CompilerContext.SpawnIntermediateNode<UK2Node_TemporaryVariable>(this, SourceGraph);
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TouchFingerVar->VariableType.PinCategory = Schema->PC_Byte;
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TouchFingerVar->VariableType.PinSubCategoryObject = UK2Node_InputTouch::GetTouchIndexEnum();
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TouchFingerVar->AllocateDefaultPins();
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// Create assignment nodes to assign the finger index
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UK2Node_AssignmentStatement* TouchPressedFingerInitialize = CompilerContext.SpawnIntermediateNode<UK2Node_AssignmentStatement>(this, SourceGraph);
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TouchPressedFingerInitialize->AllocateDefaultPins();
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Schema->TryCreateConnection(TouchFingerVar->GetVariablePin(), TouchPressedFingerInitialize->GetVariablePin());
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Schema->TryCreateConnection(TouchPressedFingerInitialize->GetValuePin(), InputTouchPressedEvent->FindPinChecked(TEXT("FingerIndex")));
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UK2Node_AssignmentStatement* TouchReleasedFingerInitialize = CompilerContext.SpawnIntermediateNode<UK2Node_AssignmentStatement>(this, SourceGraph);
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TouchReleasedFingerInitialize->AllocateDefaultPins();
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Schema->TryCreateConnection(TouchFingerVar->GetVariablePin(), TouchReleasedFingerInitialize->GetVariablePin());
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Schema->TryCreateConnection(TouchReleasedFingerInitialize->GetValuePin(), InputTouchReleasedEvent->FindPinChecked(TEXT("FingerIndex")));
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// Connect the assign location to the assign finger index nodes
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Schema->TryCreateConnection(TouchPressedLocationInitialize->GetThenPin(), TouchPressedFingerInitialize->GetExecPin());
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Schema->TryCreateConnection(TouchReleasedLocationInitialize->GetThenPin(), TouchReleasedFingerInitialize->GetExecPin());
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// Move the original event connections to the then pin of the finger index assign
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CompilerContext.MovePinLinksToIntermediate(*GetPressedPin(), *TouchPressedFingerInitialize->GetThenPin());
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CompilerContext.MovePinLinksToIntermediate(*GetReleasedPin(), *TouchReleasedFingerInitialize->GetThenPin());
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// Move the original event variable connections to the intermediate nodes
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CompilerContext.MovePinLinksToIntermediate(*GetLocationPin(), *TouchLocationVar->GetVariablePin());
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CompilerContext.MovePinLinksToIntermediate(*GetFingerIndexPin(), *TouchFingerVar->GetVariablePin());
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}
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else
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{
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UEdGraphPin* InputTouchPin;
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EInputEvent InputEvent;
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if (InputTouchPressedPin->LinkedTo.Num() > 0)
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{
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InputTouchPin = InputTouchPressedPin;
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InputEvent = IE_Pressed;
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}
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else
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{
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InputTouchPin = InputTouchReleasedPin;
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InputEvent = IE_Released;
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}
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if (InputTouchPin->LinkedTo.Num() > 0)
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{
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UK2Node_InputTouchEvent* InputTouchEvent = CompilerContext.SpawnIntermediateNode<UK2Node_InputTouchEvent>(this, SourceGraph);
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InputTouchEvent->CustomFunctionName = FName( *FString::Printf(TEXT("InpTchEvt_%s"), *InputTouchEvent->GetName()));
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InputTouchEvent->InputKeyEvent = InputEvent;
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InputTouchEvent->bConsumeInput = bConsumeInput;
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InputTouchEvent->bExecuteWhenPaused = bExecuteWhenPaused;
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InputTouchEvent->bOverrideParentBinding = bOverrideParentBinding;
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InputTouchEvent->EventSignatureName = TEXT("InputTouchHandlerDynamicSignature__DelegateSignature");
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InputTouchEvent->EventSignatureClass = UInputComponent::StaticClass();
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InputTouchEvent->bInternalEvent = true;
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InputTouchEvent->AllocateDefaultPins();
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CompilerContext.MovePinLinksToIntermediate(*InputTouchPin, *Schema->FindExecutionPin(*InputTouchEvent, EGPD_Output));
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CompilerContext.MovePinLinksToIntermediate(*GetLocationPin(), *InputTouchEvent->FindPin(TEXT("Location")));
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CompilerContext.MovePinLinksToIntermediate(*GetFingerIndexPin(), *InputTouchEvent->FindPin(TEXT("FingerIndex")));
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}
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}
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}
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} |