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

131 lines
2.7 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MuT/ASTOpMeshClipWithMesh.h"
#include "MuT/ASTOpMeshAddMetadata.h"
#include "HAL/PlatformMath.h"
#include "MuR/ModelPrivate.h"
#include "MuR/RefCounted.h"
#include "MuR/Types.h"
namespace mu
{
ASTOpMeshClipWithMesh::ASTOpMeshClipWithMesh()
: Source(this)
, ClipMesh(this)
{
}
ASTOpMeshClipWithMesh::~ASTOpMeshClipWithMesh()
{
// Explicit call needed to avoid recursive destruction
ASTOp::RemoveChildren();
}
bool ASTOpMeshClipWithMesh::IsEqual(const ASTOp& OtherUntyped) const
{
if (OtherUntyped.GetOpType()==GetOpType())
{
const ASTOpMeshClipWithMesh* Other = static_cast<const ASTOpMeshClipWithMesh*>(&OtherUntyped);
return Source == Other->Source &&
ClipMesh == Other->ClipMesh;
}
return false;
}
uint64 ASTOpMeshClipWithMesh::Hash() const
{
uint64 Result = std::hash<void*>()(Source.child().get());
hash_combine(Result, ClipMesh.child().get());
return Result;
}
Ptr<ASTOp> ASTOpMeshClipWithMesh::Clone(MapChildFuncRef MapChild) const
{
Ptr<ASTOpMeshClipWithMesh> New = new ASTOpMeshClipWithMesh();
New->Source = MapChild(Source.child());
New->ClipMesh = MapChild(ClipMesh.child());
return New;
}
void ASTOpMeshClipWithMesh::ForEachChild(const TFunctionRef<void(ASTChild&)> Func)
{
Func(Source);
Func(ClipMesh);
}
void ASTOpMeshClipWithMesh::Link(FProgram& Program, FLinkerOptions*)
{
// Already linked?
if (!linkedAddress)
{
OP::MeshApplyPoseArgs Args;
FMemory::Memzero(Args);
if (Source) Args.base = Source->linkedAddress;
if (ClipMesh) Args.pose = ClipMesh->linkedAddress;
linkedAddress = (OP::ADDRESS)Program.OpAddress.Num();
Program.OpAddress.Add(Program.ByteCode.Num());
AppendCode(Program.ByteCode, GetOpType());
AppendCode(Program.ByteCode, Args);
}
}
Ptr<ASTOp> ASTOpMeshClipWithMesh::OptimiseSink(const FModelOptimizationOptions&, FOptimizeSinkContext&) const
{
Ptr<ASTOp> NewOp;
Ptr<ASTOp> MeshAt = Source.child();
if (!MeshAt)
{
return nullptr;
}
EOpType MeshType = MeshAt->GetOpType();
switch (MeshType)
{
case EOpType::ME_ADDMETADATA:
{
Ptr<ASTOpMeshAddMetadata> New = mu::Clone<ASTOpMeshAddMetadata>(MeshAt);
if (New->Source)
{
Ptr<ASTOpMeshClipWithMesh> NewApplyPose = mu::Clone<ASTOpMeshClipWithMesh>(this);
NewApplyPose->Source = New->Source.child();
New->Source = NewApplyPose;
}
NewOp = New;
break;
}
default:
break;
}
return NewOp;
}
FSourceDataDescriptor ASTOpMeshClipWithMesh::GetSourceDataDescriptor(FGetSourceDataDescriptorContext* Context) const
{
if (Source)
{
return Source->GetSourceDataDescriptor(Context);
}
return {};
}
}