eba71c4ca8
Merge of the two project copies into one self-contained plugin (the superset: variable_op + variables.py, full pcg_op runtime/declarative/preset ops, the CreateWidgetFloatAnimation widget tool, and full Voxel graph authoring). Made fully project- and machine-agnostic — no hardcoded paths: - New src/projectPaths.js auto-detects the host .uproject (walk-up), project name, Editor build target, log file, and engine install (EngineAssociation via launcher manifest/registry, else installed-engine scan). All overridable via UE_* env vars. - Rewired buildOrchestrator/insights/launcher/insightsExporter/server.js and the Python workers (cpp_scaffold, live_coding, apply_graph, console) off the old C:/Github/ihy, IHY*, E:/UE_Versions and UE_5.7 literals onto the resolver. - Voxel made optional: Build.cs auto-detects the Voxel plugin (env UE_MCP_WITH_VOXEL override) and the C++ compiles to stubs under WITH_MCP_VOXEL, so the module builds in projects without Voxel; .uplugin marks Voxel optional. - De-branded the agent-gateway and docs; scrubbed a leaked API key; excluded node_modules/Binaries/Intermediate/__pycache__/secrets from the repo. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
348 lines
12 KiB
C++
348 lines
12 KiB
C++
#include "UEBlueprintMCPEditor.h"
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#include "HttpModule.h"
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#include "Interfaces/IHttpResponse.h"
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#include "Misc/CoreDelegates.h"
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#include "Framework/Notifications/NotificationManager.h"
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#include "Widgets/Notifications/SNotificationList.h"
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#include "BlueprintEditor.h"
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#include "BlueprintEditorContext.h"
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#include "EdGraph/EdGraph.h"
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#include "EdGraph/EdGraphNode.h"
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#include "EdGraphNode_Comment.h"
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#include "Framework/Application/IInputProcessor.h"
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#include "Framework/Application/SlateApplication.h"
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#include "Framework/Commands/UIAction.h"
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#include "Kismet2/BlueprintEditorUtils.h"
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#include "ScopedTransaction.h"
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#include "SGraphPanel.h"
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#include "ToolMenu.h"
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#include "ToolMenuEntry.h"
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#include "ToolMenuSection.h"
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#include "ToolMenus.h"
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#define LOCTEXT_NAMESPACE "UEBlueprintMCPEditor"
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namespace
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{
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const TCHAR* MCPZoneCommentText = TEXT("MCP Zone");
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const TCHAR* LegacyMCPZoneCommentText = TEXT("MCP Draft Zone");
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bool IsMCPZoneComment(const UEdGraphNode* Node)
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{
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const UEdGraphNode_Comment* CommentNode = Cast<UEdGraphNode_Comment>(Node);
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return CommentNode
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&& (CommentNode->NodeComment.Equals(MCPZoneCommentText, ESearchCase::IgnoreCase)
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|| CommentNode->NodeComment.Equals(LegacyMCPZoneCommentText, ESearchCase::IgnoreCase));
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}
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}
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class FMCPZoneInputProcessor : public IInputProcessor
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{
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public:
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explicit FMCPZoneInputProcessor(FUEBlueprintMCPEditorModule& InOwner)
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: Owner(InOwner)
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{
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}
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virtual void Tick(const float DeltaTime, FSlateApplication& SlateApp, TSharedRef<ICursor> Cursor) override
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{
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}
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virtual bool HandleMouseButtonDownEvent(FSlateApplication& SlateApp, const FPointerEvent& MouseEvent) override
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{
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if (!Owner.bMCPZoneModeActive || MouseEvent.GetEffectingButton() != EKeys::LeftMouseButton)
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{
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return false;
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}
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TSharedPtr<FBlueprintEditor> Editor = Owner.ActiveMCPZoneEditor.Pin();
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if (!Editor.IsValid() || !Editor->GetFocusedGraph())
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{
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return false;
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}
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TSharedPtr<SGraphEditor> GraphEditor = Editor->OpenGraphAndBringToFront(Editor->GetFocusedGraph(), false);
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SGraphPanel* GraphPanel = GraphEditor.IsValid() ? GraphEditor->GetGraphPanel() : nullptr;
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if (!GraphPanel)
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{
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return false;
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}
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const FGeometry& Geometry = GraphPanel->GetTickSpaceGeometry();
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const FVector2f ScreenPosition = UE::Slate::CastToVector2f(MouseEvent.GetScreenSpacePosition());
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if (!Geometry.IsUnderLocation(ScreenPosition))
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{
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return false;
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}
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bDragging = true;
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StartScreenPosition = ScreenPosition;
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return true;
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}
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virtual bool HandleMouseMoveEvent(FSlateApplication& SlateApp, const FPointerEvent& MouseEvent) override
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{
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return bDragging && Owner.bMCPZoneModeActive;
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}
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virtual bool HandleMouseButtonUpEvent(FSlateApplication& SlateApp, const FPointerEvent& MouseEvent) override
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{
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if (!bDragging || MouseEvent.GetEffectingButton() != EKeys::LeftMouseButton)
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{
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return false;
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}
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bDragging = false;
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const FVector2f EndScreenPosition = UE::Slate::CastToVector2f(MouseEvent.GetScreenSpacePosition());
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Owner.TryCreateMCPZoneFromScreenDrag(StartScreenPosition, EndScreenPosition);
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return true;
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}
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virtual const TCHAR* GetDebugName() const override
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{
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return TEXT("MCPZoneInputProcessor");
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}
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private:
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FUEBlueprintMCPEditorModule& Owner;
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bool bDragging = false;
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FVector2f StartScreenPosition = FVector2f::ZeroVector;
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};
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IMPLEMENT_MODULE(FUEBlueprintMCPEditorModule, UEBlueprintMCPEditor)
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void FUEBlueprintMCPEditorModule::StartupModule()
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{
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UToolMenus::RegisterStartupCallback(
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FSimpleMulticastDelegate::FDelegate::CreateRaw(this, &FUEBlueprintMCPEditorModule::RegisterMenus));
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FCoreDelegates::OnPostEngineInit.AddRaw(this, &FUEBlueprintMCPEditorModule::NotifyBridgeStatus);
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}
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void FUEBlueprintMCPEditorModule::NotifyBridgeStatus()
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{
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const FString Url = TEXT("http://127.0.0.1:30010/remote/info");
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TSharedRef<IHttpRequest> Request = FHttpModule::Get().CreateRequest();
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Request->SetVerb(TEXT("GET"));
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Request->SetURL(Url);
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Request->SetTimeout(3.0f);
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Request->OnProcessRequestComplete().BindLambda(
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[](FHttpRequestPtr Req, FHttpResponsePtr Resp, bool bSucceeded)
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{
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const bool bOk = bSucceeded && Resp.IsValid() && Resp->GetResponseCode() == 200;
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FNotificationInfo Info(bOk
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? LOCTEXT("MCPBridgeUp", "UE Blueprint MCP bridge ready (Remote Control :30010)")
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: LOCTEXT("MCPBridgeDown", "UE Blueprint MCP bridge NOT reachable on :30010 — check Remote Control plugin"));
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Info.ExpireDuration = bOk ? 4.0f : 8.0f;
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Info.bUseSuccessFailIcons = true;
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Info.bFireAndForget = true;
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TSharedPtr<SNotificationItem> Item = FSlateNotificationManager::Get().AddNotification(Info);
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if (Item.IsValid())
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{
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Item->SetCompletionState(bOk ? SNotificationItem::CS_Success : SNotificationItem::CS_Fail);
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}
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});
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Request->ProcessRequest();
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}
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void FUEBlueprintMCPEditorModule::ShutdownModule()
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{
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FCoreDelegates::OnPostEngineInit.RemoveAll(this);
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if (MCPZoneInputProcessor.IsValid() && FSlateApplication::IsInitialized())
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{
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FSlateApplication::Get().UnregisterInputPreProcessor(MCPZoneInputProcessor);
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MCPZoneInputProcessor.Reset();
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}
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if (UToolMenus::IsToolMenuUIEnabled())
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{
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UToolMenus::UnRegisterStartupCallback(this);
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UToolMenus::UnregisterOwner(this);
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}
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}
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void FUEBlueprintMCPEditorModule::RegisterMenus()
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{
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FToolMenuOwnerScoped OwnerScoped(this);
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UToolMenu* Toolbar = UToolMenus::Get()->ExtendMenu("AssetEditor.BlueprintEditor.ToolBar");
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FToolMenuSection& Section = Toolbar->FindOrAddSection("Settings");
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Section.AddDynamicEntry("MCPDraftZoneCommands", FNewToolMenuSectionDelegate::CreateLambda([this](FToolMenuSection& InSection)
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{
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UBlueprintEditorToolMenuContext* Context = InSection.FindContext<UBlueprintEditorToolMenuContext>();
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if (!Context || !Context->BlueprintEditor.IsValid() || !Context->GetBlueprintObj())
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{
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return;
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}
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TWeakPtr<FBlueprintEditor> WeakEditor = Context->BlueprintEditor;
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FUIAction Action(
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FExecuteAction::CreateLambda([this, WeakEditor]()
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{
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ToggleMCPZoneMode(WeakEditor);
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}),
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FCanExecuteAction::CreateLambda([WeakEditor]()
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{
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return WeakEditor.IsValid() && WeakEditor.Pin()->GetFocusedGraph() != nullptr;
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}),
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FIsActionChecked::CreateLambda([this, WeakEditor]()
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{
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return IsMCPZoneModeActive(WeakEditor);
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}));
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FToolMenuEntry Entry = FToolMenuEntry::InitToolBarButton(
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FName(TEXT("MCPDraftZone")),
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FToolUIActionChoice(Action),
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LOCTEXT("MCPDraftZone_Label", "MCP Zone"),
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LOCTEXT("MCPDraftZone_Tooltip", "Toggle MCP Zone mode. While active, left-mouse drag in the graph to create a generation zone. Toggle off to remove MCP Zone comments while keeping generated nodes."),
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FSlateIcon(),
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EUserInterfaceActionType::ToggleButton);
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InSection.AddEntry(Entry);
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}));
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}
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void FUEBlueprintMCPEditorModule::ToggleMCPZoneMode(TWeakPtr<FBlueprintEditor> BlueprintEditor)
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{
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TSharedPtr<FBlueprintEditor> Editor = BlueprintEditor.Pin();
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if (!Editor.IsValid())
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{
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return;
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}
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if (bMCPZoneModeActive && ActiveMCPZoneEditor.Pin() == Editor)
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{
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RemoveMCPZones(Editor->GetBlueprintObj());
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bMCPZoneModeActive = false;
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ActiveMCPZoneEditor.Reset();
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if (MCPZoneInputProcessor.IsValid() && FSlateApplication::IsInitialized())
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{
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FSlateApplication::Get().UnregisterInputPreProcessor(MCPZoneInputProcessor);
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MCPZoneInputProcessor.Reset();
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}
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return;
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}
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if (bMCPZoneModeActive)
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{
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if (TSharedPtr<FBlueprintEditor> PreviousEditor = ActiveMCPZoneEditor.Pin())
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{
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RemoveMCPZones(PreviousEditor->GetBlueprintObj());
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}
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}
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bMCPZoneModeActive = true;
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ActiveMCPZoneEditor = Editor;
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if (!MCPZoneInputProcessor.IsValid() && FSlateApplication::IsInitialized())
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{
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MCPZoneInputProcessor = MakeShared<FMCPZoneInputProcessor>(*this);
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FSlateApplication::Get().RegisterInputPreProcessor(MCPZoneInputProcessor);
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}
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}
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bool FUEBlueprintMCPEditorModule::IsMCPZoneModeActive(TWeakPtr<FBlueprintEditor> BlueprintEditor) const
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{
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return bMCPZoneModeActive && ActiveMCPZoneEditor.Pin() == BlueprintEditor.Pin();
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}
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bool FUEBlueprintMCPEditorModule::TryCreateMCPZoneFromScreenDrag(const FVector2f& StartScreenPosition, const FVector2f& EndScreenPosition)
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{
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TSharedPtr<FBlueprintEditor> Editor = ActiveMCPZoneEditor.Pin();
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if (!Editor.IsValid())
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{
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return false;
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}
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UBlueprint* Blueprint = Editor->GetBlueprintObj();
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UEdGraph* Graph = Editor->GetFocusedGraph();
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if (!Blueprint || !Graph)
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{
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return false;
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}
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TSharedPtr<SGraphEditor> GraphEditor = Editor->OpenGraphAndBringToFront(Graph, false);
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SGraphPanel* GraphPanel = GraphEditor.IsValid() ? GraphEditor->GetGraphPanel() : nullptr;
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if (!GraphPanel)
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{
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return false;
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}
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const FGeometry& Geometry = GraphPanel->GetTickSpaceGeometry();
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const FVector2f LocalStart = UE::Slate::CastToVector2f(Geometry.AbsoluteToLocal(StartScreenPosition));
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const FVector2f LocalEnd = UE::Slate::CastToVector2f(Geometry.AbsoluteToLocal(EndScreenPosition));
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const FVector2f GraphStart = UE::Slate::CastToVector2f(GraphPanel->PanelCoordToGraphCoord(LocalStart));
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const FVector2f GraphEnd = UE::Slate::CastToVector2f(GraphPanel->PanelCoordToGraphCoord(LocalEnd));
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CreateMCPZone(Graph, Blueprint, GraphStart, GraphEnd);
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return true;
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}
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void FUEBlueprintMCPEditorModule::CreateMCPZone(UEdGraph* Graph, UBlueprint* Blueprint, const FVector2f& GraphStart, const FVector2f& GraphEnd) const
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{
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if (!Blueprint || !Graph)
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{
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return;
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}
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const FScopedTransaction Transaction(LOCTEXT("CreateMCPDraftZone", "Create MCP Draft Zone"));
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Graph->Modify();
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Blueprint->Modify();
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constexpr int32 MinWidth = 240;
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constexpr int32 MinHeight = 160;
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const int32 MinX = FMath::FloorToInt(FMath::Min(GraphStart.X, GraphEnd.X));
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const int32 MinY = FMath::FloorToInt(FMath::Min(GraphStart.Y, GraphEnd.Y));
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const int32 MaxX = FMath::CeilToInt(FMath::Max(GraphStart.X, GraphEnd.X));
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const int32 MaxY = FMath::CeilToInt(FMath::Max(GraphStart.Y, GraphEnd.Y));
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UEdGraphNode_Comment* ZoneNode = NewObject<UEdGraphNode_Comment>(Graph);
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ZoneNode->CreateNewGuid();
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ZoneNode->NodeComment = MCPZoneCommentText;
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ZoneNode->bCommentBubbleVisible = false;
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ZoneNode->CommentColor = FLinearColor(0.05f, 0.32f, 0.85f, 0.35f);
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ZoneNode->NodePosX = MinX;
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ZoneNode->NodePosY = MinY;
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ZoneNode->NodeWidth = FMath::Max(MinWidth, MaxX - MinX);
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ZoneNode->NodeHeight = FMath::Max(MinHeight, MaxY - MinY);
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Graph->AddNode(ZoneNode, true, false);
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ZoneNode->PostPlacedNewNode();
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FBlueprintEditorUtils::MarkBlueprintAsModified(Blueprint);
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}
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void FUEBlueprintMCPEditorModule::RemoveMCPZones(UBlueprint* Blueprint) const
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{
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if (!Blueprint)
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{
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return;
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}
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const FScopedTransaction Transaction(LOCTEXT("RemoveMCPDraftZones", "Remove MCP Draft Zones"));
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Blueprint->Modify();
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TArray<UEdGraph*> Graphs;
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Blueprint->GetAllGraphs(Graphs);
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for (UEdGraph* Graph : Graphs)
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{
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if (!Graph)
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{
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continue;
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}
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Graph->Modify();
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TArray<UEdGraphNode*> Nodes = Graph->Nodes;
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for (UEdGraphNode* Node : Nodes)
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{
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if (IsMCPZoneComment(Node))
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{
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Graph->RemoveNode(Node);
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}
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}
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}
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FBlueprintEditorUtils::MarkBlueprintAsModified(Blueprint);
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}
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#undef LOCTEXT_NAMESPACE
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