Fixes for internal if-branch node parser bug (LYN-4347) and exposing properties for AZStd::tuple (LYN-3910)

Code/Framework/AzCore/AzCore/RTTI/AzStdOnDemandPrettyName.inl

@@ -161,7 +161,56 @@ namespace AZ
                  return "A pair is an fixed size collection of two elements.";
              }
          };
- 
+
+         template<typename T>
+         void GetTypeNamesFold(AZStd::vector<AZStd::string>& result, AZ::BehaviorContext& context)
+         {
+             result.push_back(OnDemandPrettyName<T>::Get(context));
+         };
+
+         template<typename... T>
+         void GetTypeNames(AZStd::vector<AZStd::string>& result, AZ::BehaviorContext& context)
+         {
+             (GetTypeNamesFold<T>(result, context), ...);
+         };
+
+         template<typename T>
+         void GetTypeNamesFold(AZStd::string& result, AZ::BehaviorContext& context)
+         {
+             if (!result.empty())
+             {
+                 result += ", ";
+             }
+
+             result += OnDemandPrettyName<T>::Get(context);
+         };
+
+         template<typename... T>
+         void GetTypeNames(AZStd::string& result, AZ::BehaviorContext& context)
+         {
+             (GetTypeNamesFold<T>(result, context), ...);
+         };
+
+         template<typename... T>
+         struct OnDemandPrettyName<AZStd::tuple<T...>>
+         {
+             static AZStd::string Get(AZ::BehaviorContext& context)
+             {
+                 AZStd::string typeNames;
+                 GetTypeNames<T...>(typeNames, context);
+                 return AZStd::string::format("Tuple<%s>", typeNames.c_str());
+             }
+         };
+
+         template<typename... T>
+         struct OnDemandToolTip<AZStd::tuple<T...>>
+         {
+             static AZStd::string Get(AZ::BehaviorContext&)
+             {
+                 return "A tuple is an fixed size collection of any number of any type of element.";
+             }
+         };
+
          template<class Key, class MappedType, class Hasher, class EqualKey, class Allocator>
          struct OnDemandPrettyName< AZStd::unordered_map<Key, MappedType, Hasher, EqualKey, Allocator> >
          {

Code/Framework/AzCore/AzCore/RTTI/AzStdOnDemandReflection.inl

@@ -813,20 +813,27 @@ namespace AZ
     {
         using ContainerType = AZStd::tuple<T...>;
 
-        template<size_t Index>
-        static void ReflectUnpackMethodFold(BehaviorContext::ClassBuilder<ContainerType>& builder)
+        template<typename t_Arg, size_t Index>
+        static void ReflectUnpackMethodFold(BehaviorContext::ClassBuilder<ContainerType>& builder, const AZStd::vector<AZStd::string>& typeNames, [[maybe_unused]] size_t inputIndex)
         {
             const AZStd::string methodName = AZStd::string::format("Get%zu", Index);
-            builder->Method(methodName.data(), [](ContainerType& value) { return AZStd::get<Index>(value); })
-                ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
+            builder->Method(methodName.data(), [](ContainerType& thisPointer) { return AZStd::get<Index>(thisPointer); })
+                ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::List)
                 ->Attribute(AZ::ScriptCanvasAttributes::TupleGetFunctionIndex, Index)
                 ;
+
+            builder->Property
+                ( AZStd::string::format("element_%zu_%s", Index, typeNames[Index].c_str()).c_str()
+                , [](ContainerType& thisPointer) { return AZStd::get<Index>(thisPointer); }
+                , [](ContainerType& thisPointer, const t_Arg& element) { AZStd::get<Index>(thisPointer) = element; });
         }
 
-        template<size_t... Indices>
+        template<typename... t_Args, size_t... Indices>
         static void ReflectUnpackMethods(BehaviorContext::ClassBuilder<ContainerType>& builder, AZStd::index_sequence<Indices...>)
         {
-            (ReflectUnpackMethodFold<Indices>(builder), ...);
+            AZStd::vector<AZStd::string> typeNames;
+            ScriptCanvasOnDemandReflection::GetTypeNames<T...>(typeNames, *builder.m_context);
+            (ReflectUnpackMethodFold<t_Args, Indices>(builder, typeNames, Indices), ...);
         }
 
         static void Reflect(ReflectContext* context)
@@ -851,9 +858,10 @@ namespace AZ
                     ->Attribute(AZ::ScriptCanvasAttributes::TupleConstructorFunction, constructorHolder)
                     ;
 
-                ReflectUnpackMethods(builder, AZStd::make_index_sequence<sizeof...(T)>{});
+                ReflectUnpackMethods<T...>(builder, AZStd::make_index_sequence<sizeof...(T)>{});
+
                 builder->Method("GetSize", []() { return AZStd::tuple_size<ContainerType>::value; })
-                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
+                    ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::List)
                     ;
             }
         }

Gems/ScriptCanvas/Code/Include/ScriptCanvas/Grammar/AbstractCodeModel.cpp

@@ -3356,22 +3356,26 @@ namespace ScriptCanvas
 
             if (executionIf->GetId().m_node->IsIfBranchPrefacedWithBooleanExpression())
             {
-                auto removeChildOutcome = RemoveChild(executionIf->ModParent(), executionIf);
-                if (!removeChildOutcome.IsSuccess())
-                {
-                    AddError(executionIf->GetNodeId(), executionIf, ScriptCanvas::ParseErrors::FailedToRemoveChild);
-                }
+                ExecutionTreePtr booleanExpression;
 
-                if (!IsErrorFree())
                 {
-                    return;
-                }
+                    auto removeChildOutcome = RemoveChild(executionIf->ModParent(), executionIf);
+                    if (!removeChildOutcome.IsSuccess())
+                    {
+                        AddError(executionIf->GetNodeId(), executionIf, ScriptCanvas::ParseErrors::FailedToRemoveChild);
+                    }
+
+                    if (!IsErrorFree())
+                    {
+                        return;
+                    }
 
-                const auto indexAndChild = removeChildOutcome.TakeValue();
+                    const auto indexAndChild = removeChildOutcome.TakeValue();
 
-                ExecutionTreePtr booleanExpression = CreateChild(executionIf->ModParent(), executionIf->GetId().m_node, executionIf->GetId().m_slot);
-                executionIf->ModParent()->InsertChild(indexAndChild.first, { indexAndChild.second.m_slot, indexAndChild.second.m_output, booleanExpression });
-                executionIf->SetParent(booleanExpression);
+                    booleanExpression = CreateChild(executionIf->ModParent(), executionIf->GetId().m_node, executionIf->GetId().m_slot);
+                    executionIf->ModParent()->InsertChild(indexAndChild.first, { indexAndChild.second.m_slot, indexAndChild.second.m_output, booleanExpression });
+                    executionIf->SetParent(booleanExpression);
+                }
 
                 // make a condition here
                 auto symbol = CheckLogicalExpressionSymbol(booleanExpression);
@@ -3402,7 +3406,7 @@ namespace ScriptCanvas
                                 return;
                             }
 
-                            const auto indexAndChild2 = removeChildOutcome.TakeValue();
+                            const auto indexAndChild2 = removeChildOutcome2.TakeValue();
 
                             // parse if statement internal function
                             ExecutionTreePtr internalFunction = CreateChild(booleanExpression->ModParent(), booleanExpression->GetId().m_node, booleanExpression->GetId().m_slot);
@@ -4782,7 +4786,7 @@ namespace ScriptCanvas
                 {
                     PropertyExtractionPtr extraction = AZStd::make_shared<PropertyExtraction>();
                     extraction->m_slot = slot;
-                    extraction->m_name = propertyField.first;
+                    extraction->m_name = AZ::ReplaceCppArtifacts(propertyField.first);
                     execution->AddPropertyExtractionSource(slot, extraction);
                 }
                 else

Gems/ScriptCanvasTesting/Code/Tests/ScriptCanvas_RuntimeInterpreted.cpp

@@ -90,6 +90,11 @@ public:
     }
 };
 
+TEST_F(ScriptCanvasTestFixture, ParseFunctionIfBranchWithConnectedInput)
+{
+    RunUnitTestGraph("LY_SC_UnitTest_ParseFunctionIfBranchWithConnectedInput");
+}
+
 TEST_F(ScriptCanvasTestFixture, UseRawBehaviorProperties)
 {
     RunUnitTestGraph("LY_SC_UnitTest_UseRawBehaviorProperties");