registerStructureOperationFactory function
Register a StructureOperationModeFactory fallback for DogStructures. This method exists for legacy reasons and should not be used anymore, please instead use DogEngine.registerModeFactory with normal OperationModeFactorys.
Implementation
void registerStructureOperationFactory(StructureOperationModeFactory factory) {
structureOperationFactories[factory.typeArgument] = factory;
}