Split MCP handlers

2026-03-08 22:17:14 -04:00
parent 3e6fb21b7b
commit 54fa926ab3
108 changed files with 12640 additions and 10475 deletions
--- a/Plugins/BlueprintMCP/Source/BlueprintMCP/Private/Handlers/UMCPHandler_RemoveBlueprintInterface.h
+++ b/Plugins/BlueprintMCP/Source/BlueprintMCP/Private/Handlers/UMCPHandler_RemoveBlueprintInterface.h
@@ -0,0 +1,109 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "MCPHandler.h"
+#include "MCPAssetFinder.h"
+#include "MCPServer.h"
+#include "MCPUtils.h"
+#include "Engine/Blueprint.h"
+#include "EdGraph/EdGraph.h"
+#include "Kismet2/BlueprintEditorUtils.h"
+#include "UObject/UObjectIterator.h"
+#include "UMCPHandler_RemoveBlueprintInterface.generated.h"
+
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+
+UCLASS()
+class UMCPHandler_RemoveBlueprintInterface : public UObject, public IMCPHandler
+{
+	GENERATED_BODY()
+
+public:
+	UPROPERTY(meta=(Description="Blueprint name or package path"))
+	FString Blueprint;
+
+	UPROPERTY(meta=(Description="Interface name to remove"))
+	FString InterfaceName;
+
+	UPROPERTY(meta=(Optional, Description="If true, keep the function graphs as regular functions"))
+	bool PreserveFunctions = false;
+
+	virtual FString GetDescription() const override
+	{
+		return TEXT("Remove a Blueprint Interface implementation from a Blueprint. "
+			"Optionally preserve the function graphs as regular functions.");
+	}
+
+	virtual void Handle(const FJsonObject* Json, FJsonObject* Result) override
+	{
+
+		MCPAssets<UBlueprint> Assets;
+		if (!Assets.Exact(Blueprint).Errors(Result).ENone().ETwo().Load()) return;
+		UBlueprint* BP = Assets.Object();
+
+		// Find the interface in ImplementedInterfaces by name (case-insensitive)
+		UClass* FoundInterface = nullptr;
+		for (const FBPInterfaceDescription& IfaceDesc : BP->ImplementedInterfaces)
+		{
+			if (!IfaceDesc.Interface)
+			{
+				continue;
+			}
+
+			FString ClassName = IfaceDesc.Interface->GetName();
+			if (ClassName.Equals(InterfaceName, ESearchCase::IgnoreCase))
+			{
+				FoundInterface = IfaceDesc.Interface;
+				break;
+			}
+			// Strip "_C" suffix for comparison
+			FString TrimmedName = ClassName;
+			if (TrimmedName.EndsWith(TEXT("_C")))
+			{
+				TrimmedName = TrimmedName.LeftChop(2);
+			}
+			if (TrimmedName.Equals(InterfaceName, ESearchCase::IgnoreCase))
+			{
+				FoundInterface = IfaceDesc.Interface;
+				break;
+			}
+		}
+
+		if (!FoundInterface)
+		{
+			// Build helpful error with list of implemented interfaces
+			TArray<TSharedPtr<FJsonValue>> IfaceList;
+			for (const FBPInterfaceDescription& IfaceDesc : BP->ImplementedInterfaces)
+			{
+				if (IfaceDesc.Interface)
+				{
+					IfaceList.Add(MakeShared<FJsonValueString>(IfaceDesc.Interface->GetName()));
+				}
+			}
+
+			MCPUtils::MakeErrorJson(Result, FString::Printf(
+				TEXT("Interface '%s' is not implemented by Blueprint '%s'"),
+				*InterfaceName, *Blueprint));
+			Result->SetArrayField(TEXT("implementedInterfaces"), IfaceList);
+			return;
+		}
+
+		FTopLevelAssetPath InterfacePath = FoundInterface->GetClassPathName();
+
+		UE_LOG(LogTemp, Display, TEXT("BlueprintMCP: Removing interface '%s' from Blueprint '%s' (preserveFunctions: %s)"),
+			*FoundInterface->GetName(), *Blueprint, PreserveFunctions ? TEXT("true") : TEXT("false"));
+
+		FBlueprintEditorUtils::RemoveInterface(BP, InterfacePath, PreserveFunctions);
+
+		FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(BP);
+
+
+		UE_LOG(LogTemp, Display, TEXT("BlueprintMCP: Removed interface '%s' from '%s'"),
+			*FoundInterface->GetName(), *Blueprint);
+
+		Result->SetStringField(TEXT("interfaceName"), FoundInterface->GetName());
+	}
+};