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

75 lines
1.5 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MuT/ASTOpConstantScalar.h"
#include "HAL/PlatformMath.h"
#include "MuR/ModelPrivate.h"
#include "MuR/RefCounted.h"
#include "MuR/Types.h"
namespace mu
{
ASTOpConstantScalar::ASTOpConstantScalar(float InValue)
{
Value = InValue;
}
void ASTOpConstantScalar::ForEachChild(const TFunctionRef<void(ASTChild&)>)
{
}
bool ASTOpConstantScalar::IsEqual(const ASTOp& OtherUntyped) const
{
if (OtherUntyped.GetOpType() == GetOpType())
{
const ASTOpConstantScalar* other = static_cast<const ASTOpConstantScalar*>(&OtherUntyped);
return Value == other->Value;
}
return false;
}
uint64 ASTOpConstantScalar::Hash() const
{
uint64 Result = std::hash<uint64>()(uint64(GetOpType()));
hash_combine(Result, Value);
return Result;
}
mu::Ptr<ASTOp> ASTOpConstantScalar::Clone(MapChildFuncRef) const
{
Ptr<ASTOpConstantScalar> New = new ASTOpConstantScalar();
New->Value = Value;
return New;
}
void ASTOpConstantScalar::Link(FProgram& Program, FLinkerOptions*)
{
if (!linkedAddress)
{
OP::ScalarConstantArgs Args;
FMemory::Memzero(Args);
Args.Value = Value;
linkedAddress = (OP::ADDRESS)Program.OpAddress.Num();
Program.OpAddress.Add(Program.ByteCode.Num());
AppendCode(Program.ByteCode, GetOpType());
AppendCode(Program.ByteCode, Args);
}
}
int32 ASTOpConstantScalar::EvaluateInt(ASTOpList&, bool& bOutUnknown) const
{
bOutUnknown = false;
return Value;
}
}