• Various helper modules for RobCoG.

• Supported engine version: UE 4.22

• Add the plugin to your project (e.g MyProject/Plugins/UUtils)

• Add the module dependency to your module (Project, Plugin); In the MyModule.Build.cs file:

  PublicDependencyModuleNames.AddRange(
  new string[]
  {
  ...
  "UMyUtilsModule",  // UIds, UTags etc.
  ...
  }
  );

• Include MyUtilsModule.h where you plan to use the related functions.

Using the built in Tag functionalities of Actors and Components to store data in a key-value pair form. The plugin has various functions to ease the access for such data.

Example of storing key-value pairs:

[TagType;Key1,Value1;Key2,Value2;Key3,Value3;]

• first word always represents the TagType, this is followed by a semicolon
• separate the [Key] from the [Value] using a comma: ,
• separate the [Key,Value]-pairs using a semicolon: ;
• always end the tag description with a semicolon: ;
• do NOT use white spaces in the tag descriptions

How to add tags to an actor:

How to add tags to a component:

Tag:

[SemLog;Runtime,Static;Id,3rFg;Class,Sink;]

Generating new Ids for all the actors with the TagType SemLog:

    static FReply GenerateNewIds()
    {
        for (TActorIterator<AActor> ActItr(GEditor->GetEditorWorldContext().World()); ActItr; ++ActItr)
        {
            int32 TagIndex = FTagStatics::GetTagTypeIndex(*ActItr, "SemLog");
            if (TagIndex != INDEX_NONE)
            {
                FTagStatics::AddKeyValuePair(
                    ActItr->Tags[TagIndex], "Id", FSLStatics::GenerateRandomFString(4));
            }
        }
        return FReply::Handled();
    }

Get a map of actors or components to their tag properties giving the world as an input

    // Get the map of actors to their tag properties
    const TMap<AActor*, TMap<FString, FString>> ActorToTagProperties =
        FTagStatics::GetActorsToKeyValuePairs(World, "SemLog");

    // Get the map of components to their tag properties
    const TMap<UActorComponent*, TMap<FString, FString>> ComponentToTagProperties =
    FTagStatics::GetComponentsToKeyValuePairs(World, "SemLog");

    // Get all objects with TF tags
    auto ObjToTagData = FTagStatics::GetObjectsToKeyValuePairs(GetWorld(), TEXT("TF"));

Helper functions for generating and converting universal unique identifiers (FGuid) to Base64 and back.

Units and coordinate systems conversions from and to Unreal Engine.