You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
0e4f7a7c51
- Revive UMetaSound Asset type - Revive MS Output generation - Fix copy pasta'ed type name so MetaSound Source shows up properly in editor - Clean-up to dynamic doc version reporting if required (show the new version number in log) - Add versioning to update the RootGraphClass name & add DisplayName MetaSound Registry Scaffolding Part 1 (From Phil Popp) #rb phil.popp #jira UE-117108 #jira UE-117109 #jira UE-117110 #preflight 60bf11780c76f90001db5f5f #ROBOMERGE-SOURCE: CL 16587155 #ROBOMERGE-BOT: (v828-16531559) [CL 16587204 by rob gay in ue5-main branch]
76 lines
3.3 KiB
C++
76 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "CoreMinimal.h"
|
|
#include "MetasoundFrontend.h"
|
|
#include "MetasoundFrontendDocument.h"
|
|
#include "MetasoundFrontendRegistries.h"
|
|
#include "MetasoundLog.h"
|
|
#include "MetasoundNodeInterface.h"
|
|
|
|
namespace Metasound
|
|
{
|
|
// Utility class to ensure that a node class can use the constructor the frontend uses.
|
|
template <typename NodeClass>
|
|
struct ConstructorTakesNodeInitData {
|
|
|
|
// Use SFINAE trick to see if we have a valid constructor:
|
|
template<typename T>
|
|
static uint16 TestForConstructor(decltype(T(::Metasound::FNodeInitData()))*);
|
|
|
|
template<typename T>
|
|
static uint8 TestForConstructor(...);
|
|
|
|
static const bool Value = sizeof(TestForConstructor<NodeClass>(nullptr)) == sizeof(uint16);
|
|
};
|
|
|
|
|
|
template <typename FNodeType>
|
|
bool RegisterNodeWithFrontend(const Metasound::FNodeClassMetadata& InMetadata)
|
|
{
|
|
// if we reenter this code (because DECLARE_METASOUND_DATA_REFERENCE_TYPES was called twice with the same type),
|
|
// we catch it here.
|
|
static bool bAlreadyRegisteredThisDataType = false;
|
|
if (bAlreadyRegisteredThisDataType)
|
|
{
|
|
UE_LOG(LogMetaSound, Display, TEXT("Tried to call METASOUND_REGISTER_NODE twice with the same class. ignoring the second call. Likely because METASOUND_REGISTER_NODE is in a header that's used in multiple modules. Consider moving it to a private header or cpp file."));
|
|
return false;
|
|
}
|
|
|
|
bAlreadyRegisteredThisDataType = true;
|
|
|
|
Frontend::FNodeRegistryKey Key = FMetasoundFrontendRegistryContainer::Get()->RegisterExternalNode(
|
|
[](const Metasound::FNodeInitData& InInitData) -> TUniquePtr<Metasound::INode>
|
|
{
|
|
return TUniquePtr<Metasound::INode>(new FNodeType(InInitData));
|
|
},
|
|
[=]() -> FMetasoundFrontendClass
|
|
{
|
|
return Metasound::Frontend::GenerateClassDescription(InMetadata);
|
|
}
|
|
);
|
|
|
|
const bool bSuccessfullyRegisteredNode = Frontend::IsValidNodeRegistryKey(Key);
|
|
ensureAlwaysMsgf(bSuccessfullyRegisteredNode, TEXT("Registering node class failed. Please check the logs."));
|
|
return bSuccessfullyRegisteredNode;
|
|
}
|
|
|
|
template <typename FNodeType>
|
|
bool RegisterNodeWithFrontend()
|
|
{
|
|
// Register a node using a prototype node.
|
|
// TODO: may want to add a warning here since we don't want to use this registration pathway.
|
|
Metasound::FNodeInitData InitData;
|
|
TUniquePtr<Metasound::INode> Node = MakeUnique<FNodeType>(InitData);
|
|
return RegisterNodeWithFrontend<FNodeType>(Node->GetMetadata());
|
|
}
|
|
}
|
|
|
|
// TODO: should remove this and force folks to use module startup/shutdown module system.
|
|
#define METASOUND_REGISTER_NODE(NodeClass, ...) \
|
|
static_assert(std::is_base_of<::Metasound::INodeBase, NodeClass>::value, "To be registered as a Metasound Node," #NodeClass "need to be a derived class from Metasound::INodeBase, Metasound::INode, or Metasound::FNode."); \
|
|
static_assert(::Metasound::ConstructorTakesNodeInitData<NodeClass>::Value, "In order to be registered as a Metasound Node, " #NodeClass " needs to implement the following public constructor: " #NodeClass "(const Metasound::FNodeInitData& InInitData);"); \
|
|
static bool bSuccessfullyRegistered##NodeClass = FMetasoundFrontendRegistryContainer::Get()->EnqueueInitCommand([](){ ::Metasound::RegisterNodeWithFrontend<NodeClass>(__VA_ARGS__); }); // This static bool is useful for debugging, but also is the only way the compiler will let us call this function outside of an expression.
|
|
|