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MI stuff is now workign

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This commit is contained in:
jyelon
2026-03-12 16:54:22 -04:00
parent 73b5d67b96
commit c7fb52a775
9 changed files with 245 additions and 387 deletions
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82
Plugins/BlueprintMCP/Source/BlueprintMCP/Private/MCPUtils.cpp
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@@ -1150,21 +1150,79 @@ void MCPUtils::PostEdit(const TArray<UObject*>& Objects)
GEditor->RedrawAllViewports();
}
TArray<MCPMaterialParameter> MCPUtils::MaterialParameters(UMaterialInstanceConstant *MI)
TMap<FMaterialParameterInfo, FMaterialParameterMetadata> MCPUtils::GetMaterialParameters(UMaterialInterface* Material)
{
TArray<MCPMaterialParameter> Results;
UMaterial* BaseMat = MI->GetMaterial();
if (!BaseMat) return Results;
for (UMaterialExpression* Expr : BaseMat->GetExpressions())
TMap<FMaterialParameterInfo, FMaterialParameterMetadata> Result;
if (!Material) return Result;
TMap<FMaterialParameterInfo, FMaterialParameterMetadata> Temp;
for (int32 i = 0; i < (int32)EMaterialParameterType::NumRuntime; i++)
{
if (!Expr || !Expr->bIsParameterExpression) continue;
MCPMaterialParameter P;
P.Name = Expr->GetParameterName();
if (P.Name.IsNone()) continue;
if (!Expr->GetParameterValue(P.Metadata)) continue;
Results.Add(P);
Material->GetAllParametersOfType((EMaterialParameterType)i, Temp);
Result.Append(Temp);
}
return Result;
}
bool MCPUtils::ParseMaterialParameterAssociation(const FString& Str, EMaterialParameterAssociation& OutAssociation, MCPErrorCallback Error)
{
if (Str.Equals(TEXT("Global"), ESearchCase::IgnoreCase))
OutAssociation = GlobalParameter;
else if (Str.Equals(TEXT("Layer"), ESearchCase::IgnoreCase))
OutAssociation = LayerParameter;
else if (Str.Equals(TEXT("Blend"), ESearchCase::IgnoreCase))
OutAssociation = BlendParameter;
else
{
Error.SetError(FString::Printf(TEXT("Invalid ParameterAssociation '%s' (expected 'Global', 'Layer', or 'Blend')"), *Str));
return false;
}
return true;
}
void MCPUtils::FormatMaterialParameter(FStringBuilderBase& Result, const FMaterialParameterInfo& Info, const FMaterialParameterMetadata& Meta)
{
// Association prefix for layer/blend parameters.
FString Prefix;
if (Info.Association == LayerParameter)
Prefix = FString::Printf(TEXT("[Layer %d] "), Info.Index);
else if (Info.Association == BlendParameter)
Prefix = FString::Printf(TEXT("[Blend %d] "), Info.Index);
switch (Meta.Value.Type)
{
case EMaterialParameterType::Scalar:
Result.Appendf(TEXT(" %sScalar \"%s\" = %g\n"), *Prefix, *Info.Name.ToString(), Meta.Value.AsScalar());
break;
case EMaterialParameterType::Vector:
{
FLinearColor C = Meta.Value.AsLinearColor();
Result.Appendf(TEXT(" %sVector \"%s\" = (R=%.3f, G=%.3f, B=%.3f, A=%.3f)\n"),
*Prefix, *Info.Name.ToString(), C.R, C.G, C.B, C.A);
break;
}
case EMaterialParameterType::DoubleVector:
{
FVector4d V = Meta.Value.AsVector4d();
Result.Appendf(TEXT(" %sDoubleVector \"%s\" = (%.3f, %.3f, %.3f, %.3f)\n"),
*Prefix, *Info.Name.ToString(), V.X, V.Y, V.Z, V.W);
break;
}
case EMaterialParameterType::Texture:
{
UTexture* Tex = Cast<UTexture>(Meta.Value.AsTextureObject());
Result.Appendf(TEXT(" %sTexture \"%s\" = %s\n"),
*Prefix, *Info.Name.ToString(), Tex ? *MCPUtils::FormatName(Tex) : TEXT("None"));
break;
}
case EMaterialParameterType::StaticSwitch:
Result.Appendf(TEXT(" %sStaticSwitch \"%s\" = %s\n"),
*Prefix, *Info.Name.ToString(), Meta.Value.AsStaticSwitch() ? TEXT("true") : TEXT("false"));
break;
default:
Result.Appendf(TEXT(" %sType%d \"%s\"\n"), *Prefix, (int)Meta.Value.Type, *Info.Name.ToString());
break;
}
return Results;
}
bool MCPUtils::SaveMaterialPackage(UMaterial* Material)