Files
2025-05-18 13:04:45 +08:00

96 lines
2.0 KiB
C++

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