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

131 lines
2.4 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MuT/ASTOpBoolEqualIntConst.h"
#include "MuT/ASTOpMeshMorph.h"
#include "HAL/PlatformMath.h"
#include "MuR/ModelPrivate.h"
#include "MuR/RefCounted.h"
#include "MuR/Types.h"
namespace mu
{
ASTOpBoolEqualIntConst::ASTOpBoolEqualIntConst()
: Value(this)
{
}
ASTOpBoolEqualIntConst::~ASTOpBoolEqualIntConst()
{
// Explicit call needed to avoid recursive destruction
ASTOp::RemoveChildren();
}
bool ASTOpBoolEqualIntConst::IsEqual(const ASTOp& otherUntyped) const
{
if (otherUntyped.GetOpType()==GetOpType())
{
const ASTOpBoolEqualIntConst* other = static_cast<const ASTOpBoolEqualIntConst*>(&otherUntyped);
return Value == other->Value && Constant == other->Constant;
}
return false;
}
mu::Ptr<ASTOp> ASTOpBoolEqualIntConst::Clone(MapChildFuncRef mapChild) const
{
Ptr<ASTOpBoolEqualIntConst> n = new ASTOpBoolEqualIntConst();
n->Value = mapChild(Value.child());
n->Constant = Constant;
return n;
}
void ASTOpBoolEqualIntConst::ForEachChild(const TFunctionRef<void(ASTChild&)> f)
{
f(Value);
}
uint64 ASTOpBoolEqualIntConst::Hash() const
{
uint64 Res = std::hash<ASTOp*>()(Value.child().get());
hash_combine(Res, Constant);
return Res;
}
void ASTOpBoolEqualIntConst::Link(FProgram& Program, FLinkerOptions*)
{
// Already linked?
if (!linkedAddress)
{
OP::BoolEqualScalarConstArgs Args;
FMemory::Memzero(Args);
Args.Constant = Constant;
if (Value)
{
Args.Value = Value->linkedAddress;
}
linkedAddress = (OP::ADDRESS)Program.OpAddress.Num();
Program.OpAddress.Add((uint32)Program.ByteCode.Num());
AppendCode(Program.ByteCode, GetOpType());
AppendCode(Program.ByteCode, Args);
}
}
ASTOp::FBoolEvalResult ASTOpBoolEqualIntConst::EvaluateBool(ASTOpList& Facts, FEvaluateBoolCache* Cache) const
{
FEvaluateBoolCache LocalCache;
if (!Cache)
{
Cache = &LocalCache;
}
else
{
// Is this in the cache?
FEvaluateBoolCache::iterator it = Cache->find(this);
if (it != Cache->end())
{
return it->second;
}
}
FBoolEvalResult Result = BET_UNKNOWN;
if (!Value)
{
return Result;
}
bool bIntUnknown = true;
int32 IntResult = Value->EvaluateInt(Facts, bIntUnknown);
if (bIntUnknown)
{
Result = BET_UNKNOWN;
}
else if (IntResult == Constant)
{
Result = BET_TRUE;
}
else
{
Result = BET_FALSE;
}
(*Cache)[this] = Result;
return Result;
}
}