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

96 lines
2.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MuT/ASTOpAddOverlayMaterial.h"
#include "HAL/PlatformMath.h"
#include "MuR/ModelPrivate.h"
#include "MuR/RefCounted.h"
namespace mu
{
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
ASTOpAddOverlayMaterial::ASTOpAddOverlayMaterial()
: Instance(this)
, OverlayMaterialId(this)
{
}
ASTOpAddOverlayMaterial::~ASTOpAddOverlayMaterial()
{
// Explicit call needed to avoid recursive destruction
ASTOp::RemoveChildren();
}
bool ASTOpAddOverlayMaterial::IsEqual(const ASTOp& OtherUntyped) const
{
if (OtherUntyped.GetOpType() == GetOpType())
{
const ASTOpAddOverlayMaterial* Other = static_cast<const ASTOpAddOverlayMaterial*>(&OtherUntyped);
return Instance == Other->Instance
&& OverlayMaterialId == Other->OverlayMaterialId;
}
return false;
}
uint64 ASTOpAddOverlayMaterial::Hash() const
{
uint64 Result = std::hash<uint64>()(uint64(EOpType::IN_ADDOVERLAYMATERIAL));
hash_combine(Result, Instance.child().get());
hash_combine(Result, OverlayMaterialId.child().get());
return Result;
}
mu::Ptr<ASTOp> ASTOpAddOverlayMaterial::Clone(MapChildFuncRef MapChild) const
{
Ptr<ASTOpAddOverlayMaterial> NewInstance = new ASTOpAddOverlayMaterial();
NewInstance->Instance = MapChild(Instance.child());
NewInstance->OverlayMaterialId = MapChild(OverlayMaterialId.child());
return NewInstance;
}
void ASTOpAddOverlayMaterial::ForEachChild(const TFunctionRef<void(ASTChild&)> F)
{
F(Instance);
F(OverlayMaterialId);
}
void ASTOpAddOverlayMaterial::Link(FProgram& Program, FLinkerOptions*)
{
// Already linked?
if (linkedAddress)
{
return;
}
OP::InstanceAddOverlayMaterialArgs Args;
FMemory::Memzero(Args);
if (Instance)
{
Args.Instance = Instance->linkedAddress;
}
if (OverlayMaterialId)
{
Args.OverlayMaterialId = OverlayMaterialId->linkedAddress;
}
linkedAddress = (OP::ADDRESS)Program.OpAddress.Num();
Program.OpAddress.Add((uint32_t)Program.ByteCode.Num());
AppendCode(Program.ByteCode, EOpType::IN_ADDOVERLAYMATERIAL);
AppendCode(Program.ByteCode, Args);
}
}