Files
UnrealEngine/Engine/Plugins/Mutable/Source/MutableTools/Private/MuT/ASTOpAddExtensionData.cpp
2025-05-18 13:04:45 +08:00

102 lines
2.5 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MuT/ASTOpAddExtensionData.h"
#include "HAL/PlatformMath.h"
#include "MuR/ModelPrivate.h"
#include "MuR/RefCounted.h"
namespace mu
{
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
ASTOpAddExtensionData::ASTOpAddExtensionData()
: Instance(this)
, ExtensionData(this)
{
}
ASTOpAddExtensionData::~ASTOpAddExtensionData()
{
// Explicit call needed to avoid recursive destruction
ASTOp::RemoveChildren();
}
bool ASTOpAddExtensionData::IsEqual(const ASTOp& OtherUntyped) const
{
if (OtherUntyped.GetOpType() == GetOpType())
{
const ASTOpAddExtensionData* Other = static_cast<const ASTOpAddExtensionData*>(&OtherUntyped);
return Instance == Other->Instance
&& ExtensionData == Other->ExtensionData
&& ExtensionDataName == Other->ExtensionDataName;
}
return false;
}
uint64 ASTOpAddExtensionData::Hash() const
{
uint64 Result = std::hash<uint64>()(uint64(EOpType::IN_ADDEXTENSIONDATA));
hash_combine(Result, Instance.child().get());
hash_combine(Result, ExtensionData.child().get());
return Result;
}
mu::Ptr<ASTOp> ASTOpAddExtensionData::Clone(MapChildFuncRef MapChild) const
{
Ptr<ASTOpAddExtensionData> NewInstance = new ASTOpAddExtensionData();
NewInstance->Instance = MapChild(Instance.child());
NewInstance->ExtensionData = MapChild(ExtensionData.child());
NewInstance->ExtensionDataName = ExtensionDataName;
return NewInstance;
}
void ASTOpAddExtensionData::ForEachChild(const TFunctionRef<void(ASTChild&)> F)
{
F(Instance);
F(ExtensionData);
}
void ASTOpAddExtensionData::Link(FProgram& Program, FLinkerOptions*)
{
// Already linked?
if (linkedAddress)
{
return;
}
OP::InstanceAddExtensionDataArgs Args;
FMemory::Memzero(Args);
if (!Instance || !Instance->linkedAddress)
{
// Can happen if there's no reference skeletal mesh in the first component
return;
}
Args.Instance = Instance->linkedAddress;
check(ExtensionData->linkedAddress);
Args.ExtensionData = ExtensionData->linkedAddress;
check(ExtensionDataName.Len() > 0);
Args.ExtensionDataName = Program.AddConstant(ExtensionDataName);
linkedAddress = (OP::ADDRESS)Program.OpAddress.Num();
Program.OpAddress.Add((uint32_t)Program.ByteCode.Num());
AppendCode(Program.ByteCode, EOpType::IN_ADDEXTENSIONDATA);
AppendCode(Program.ByteCode, Args);
}
}