#pragma once #include "CoreMinimal.h" #include "Dom/JsonValue.h" #include "Dom/JsonObject.h" class FMaterialHandlers { public: static void RegisterHandlers(class FMCPHandlerRegistry& Registry); private: static TSharedPtr ListExpressionTypes(const TSharedPtr& Params); static TSharedPtr CreateMaterial(const TSharedPtr& Params); static TSharedPtr ReadMaterial(const TSharedPtr& Params); static TSharedPtr SetMaterialShadingModel(const TSharedPtr& Params); static TSharedPtr SetMaterialBlendMode(const TSharedPtr& Params); static TSharedPtr SetMaterialDomain(const TSharedPtr& Params); static TSharedPtr SetMaterialBaseColor(const TSharedPtr& Params); static TSharedPtr AddMaterialExpression(const TSharedPtr& Params); static TSharedPtr ListMaterialExpressions(const TSharedPtr& Params); static TSharedPtr ListMaterialParameters(const TSharedPtr& Params); static TSharedPtr RecompileMaterial(const TSharedPtr& Params); static TSharedPtr CreateMaterialInstance(const TSharedPtr& Params); static TSharedPtr SetMaterialParameter(const TSharedPtr& Params); static TSharedPtr ReadMaterialInstance(const TSharedPtr& Params); static TSharedPtr SetMaterialInstanceParent(const TSharedPtr& Params); // #594 batch reparent + reassign params across many Material Instances static TSharedPtr BatchSetInstances(const TSharedPtr& Params); static TSharedPtr ClearMaterialInstanceParameters(const TSharedPtr& Params); static TSharedPtr ListMaterialStaticSwitches(const TSharedPtr& Params); static TSharedPtr SetMaterialStaticSwitch(const TSharedPtr& Params); static TSharedPtr SetExpressionValue(const TSharedPtr& Params); // #617 read/write a MaterialExpressionCustom's HLSL Code, inputs, output type static TSharedPtr SetCustomExpression(const TSharedPtr& Params); // Name-based handlers matching TS tool expectations static TSharedPtr ConnectTextureToMaterial(const TSharedPtr& Params); static TSharedPtr ConnectMaterialExpressions(const TSharedPtr& Params); static TSharedPtr ConnectToMaterialProperty(const TSharedPtr& Params); static TSharedPtr DeleteMaterialExpression(const TSharedPtr& Params); static TSharedPtr DisconnectMaterialProperty(const TSharedPtr& Params); // Helper to load a UMaterial from an asset path static UMaterial* LoadMaterialFromPath(const FString& AssetPath); // Helper to load a UMaterialInstanceConstant from an asset path static UMaterialInstanceConstant* LoadMaterialInstanceFromPath(const FString& AssetPath); // Helper to convert shading model string to enum static EMaterialShadingModel ParseShadingModel(const FString& ShadingModelStr); static FString ShadingModelToString(EMaterialShadingModel ShadingModel); // Helper to map material property name string to EMaterialProperty enum static bool ParseMaterialProperty(const FString& PropertyName, EMaterialProperty& OutProperty); // Resolve an EMaterialProperty to its backing FExpressionInput* on the // material's editor-only data. Returns nullptr when the property is not // one of the supported direct-connection slots. Centralises the switch // that previously lived verbatim in three places. static FExpressionInput* GetMaterialPropertyInput( class UMaterialEditorOnlyData* EditorOnlyData, EMaterialProperty MatProperty); // Helper to find an expression by name (description or class) within a material static UMaterialExpression* FindExpressionByName(UMaterial* Material, const FString& ExpressionName); // v0.7.9 - material depth static TSharedPtr DuplicateMaterial(const TSharedPtr& Params); static TSharedPtr ValidateMaterial(const TSharedPtr& Params); static TSharedPtr GetMaterialShaderStats(const TSharedPtr& Params); static TSharedPtr ExportMaterialGraph(const TSharedPtr& Params); static TSharedPtr ImportMaterialGraph(const TSharedPtr& Params); static TSharedPtr BuildMaterialGraph(const TSharedPtr& Params); static TSharedPtr RenderMaterialPreview(const TSharedPtr& Params); static TSharedPtr BeginMaterialTransaction(const TSharedPtr& Params); static TSharedPtr EndMaterialTransaction(const TSharedPtr& Params); // #946: single-call PBR build from a texture set. Picks each TextureSample's // sampler type from the texture itself, which is the step that fails // silently by hand when the texture is virtual (UDIM). static TSharedPtr BuildMaterial(const TSharedPtr& Params); // #225: single-call simple material authoring + EMaterialUsage flag static TSharedPtr CreateMaterialSimple(const TSharedPtr& Params); static TSharedPtr SetMaterialUsage(const TSharedPtr& Params); static TSharedPtr GetMaterialUsage(const TSharedPtr& Params); // #463: MaterialFunction creation + expression authoring inside functions. // Material asset authoring API exists; MaterialFunction was the gap. static TSharedPtr CreateMaterialFunction(const TSharedPtr& Params); static TSharedPtr AddMaterialFunctionExpression(const TSharedPtr& Params); static TSharedPtr ConnectMaterialFunctionExpressions(const TSharedPtr& Params); static TSharedPtr ListMaterialFunctionExpressions(const TSharedPtr& Params); // Runtime Virtual Textures, in MaterialHandlers_RVT.cpp. Every SETTING on // a URuntimeVirtualTexture, on its component and on a landscape's virtual // texture group is a UPROPERTY that asset/editor(set_property) already // reaches, so none of these is a setter. Each one calls an engine function // a property write cannot: creating the asset, spawning and fitting the // bounding volume, InitVirtualTextureDependentSettings on a sample node, // mirroring graph connections into the output node, and fanning a landscape // assignment across every streaming proxy with a render-state refresh. static TSharedPtr CreateRuntimeVirtualTexture(const TSharedPtr& Params); static TSharedPtr ReadRuntimeVirtualTexture(const TSharedPtr& Params); static TSharedPtr AddRvtVolume(const TSharedPtr& Params); static TSharedPtr SetRvtVolumeBounds(const TSharedPtr& Params); static TSharedPtr AddRvtSampler(const TSharedPtr& Params); static TSharedPtr AddRvtOutput(const TSharedPtr& Params); static TSharedPtr AssignRvtToLandscape(const TSharedPtr& Params); };