static UProperty *GetPropertyByName( UClass *InClass, const FName &Name )
{
if ( InClass == NULL )
return NULL;
UProperty *Property = GetPropertyByNameRecurse( InClass, Name.ToString() );
if ( Property != NULL )
{
return Property;
}
AActor *AsActor = Cast<AActor>(InClass->ClassDefaultObject);
if ( AsActor != NULL )
{
FString ComponentPropertyName = Name.ToString();
int32 SplitIndex = 0;
if ( ComponentPropertyName.FindChar( '.', SplitIndex ) )
{
//FString ComponentName = ComponentPropertyName.LeftChop(SplitIndex);
ComponentPropertyName = ComponentPropertyName.RightChop(SplitIndex+1);
TInlineComponentArray<UActorComponent*> ActorComponents;
AsActor->GetComponents(ActorComponents);
for ( auto ComponentIt = ActorComponents.CreateIterator(); ComponentIt; ++ComponentIt )
{
UActorComponent *Component = *ComponentIt;
check( Component != NULL );
/*
if ( Component->GetName() != ComponentName )
{
continue;
}
*/
Property = GetPropertyByNameRecurse( Component->GetClass(), ComponentPropertyName );
if ( Property != NULL )
{
return Property;
}
}
}
}
return NULL;
}
static UProperty *GetPropertyByNameRecurse( UStruct *InStruct, const FString &TokenString, void ** hContainerPtr, int32 &OutArrayIndex )
{
FString FirstToken;
FString RemainingTokens;
int32 SplitIndex;
if ( TokenString.FindChar( '.', SplitIndex ) )
{
FirstToken = TokenString.LeftChop( TokenString.Len()-SplitIndex );
RemainingTokens = TokenString.RightChop(SplitIndex+1);
}
else
{
FirstToken = TokenString;
RemainingTokens = FString(TEXT(""));
}
//get the array index if there is any
int32 ArrayIndex = 0;
if ( FirstToken.FindChar( '[', SplitIndex ) )
{
FString ArrayIndexString = FirstToken.RightChop( SplitIndex+1 );
ArrayIndexString = ArrayIndexString.LeftChop( 1 );
FDefaultValueHelper::ParseInt( ArrayIndexString, ArrayIndex );
FirstToken = FirstToken.LeftChop( FirstToken.Len()-SplitIndex );
}
for (TFieldIterator<UProperty> PropertyIt(InStruct, EFieldIteratorFlags::IncludeSuper); PropertyIt; ++PropertyIt)
{
UProperty* Property = *PropertyIt;
FName PropertyName = Property->GetFName();
if ( FirstToken == PropertyName.ToString() )
{
if ( RemainingTokens.Len() == 0 )
{
check( *hContainerPtr != NULL );
OutArrayIndex = ArrayIndex;
return Property;
}
else
{
UStructProperty *StructProp = Cast<UStructProperty>(Property);
if ( StructProp )
{
check( *hContainerPtr != NULL );
*hContainerPtr = Property->ContainerPtrToValuePtr<void>( *hContainerPtr, ArrayIndex );
return GetPropertyByNameRecurse( StructProp->Struct, RemainingTokens, hContainerPtr, OutArrayIndex );
}
}
}
}
return NULL;
}
static UProperty *GetPropertyByName( UObject *Target, UStruct *InStruct, const FString &PropertyName, void ** hContainerPtr, int32 &OutArrayIndex )
{
UProperty *Prop = GetPropertyByNameRecurse( Target->GetClass(), PropertyName, hContainerPtr, OutArrayIndex );
if ( Prop == NULL )
{
AActor *AsActor = Cast<AActor>(Target);
if ( AsActor != NULL )
{
FString ComponentPropertyName = PropertyName;
int32 SplitIndex = 0;
if ( ComponentPropertyName.FindChar( '.', SplitIndex ) )
{
//FString ComponentName = ComponentPropertyName.LeftChop(SplitIndex);
ComponentPropertyName = ComponentPropertyName.RightChop(SplitIndex+1);
TArray<UActorComponent*> ActorComponents;
AsActor->GetComponents(ActorComponents);
for ( TArray<UActorComponent*>::TIterator ComponentIt(ActorComponents); ComponentIt && !Prop; ++ComponentIt )
{
UActorComponent *Component = *ComponentIt;
check( Component != NULL );
/*
if ( Component->GetName() != ComponentName )
{
continue;
}
*/
*hContainerPtr = Component;
Prop = GetPropertyByNameRecurse( Component->GetClass(), ComponentPropertyName, hContainerPtr, OutArrayIndex );
}
}
}
}
return Prop;
}
static UProperty *GetPropertyByNameRecurse( UStruct *InStruct, const FString &TokenString )
{
FString FirstToken;
FString RemainingTokens;
int32 SplitIndex;
if ( TokenString.FindChar( '.', SplitIndex ) )
{
FirstToken = TokenString.LeftChop( TokenString.Len()-SplitIndex );
RemainingTokens = TokenString.RightChop(SplitIndex+1);
}
else
{
FirstToken = TokenString;
RemainingTokens = FString(TEXT(""));
}
if ( FirstToken.FindChar( '[', SplitIndex ) )
{
FirstToken = FirstToken.LeftChop( FirstToken.Len()-SplitIndex );
}
for (TFieldIterator<UProperty> PropertyIt(InStruct, EFieldIteratorFlags::IncludeSuper); PropertyIt; ++PropertyIt)
{
UProperty* Property = *PropertyIt;
FName PropertyName = Property->GetFName();
if ( FirstToken == PropertyName.ToString() )
{
if ( RemainingTokens.Len() == 0 )
{
return Property;
}
else
{
UStructProperty *StructProp = Cast<UStructProperty>(Property);
if ( StructProp )
{
return GetPropertyByNameRecurse( StructProp->Struct, RemainingTokens );
}
}
}
}
return NULL;
}
