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

66 lines
1.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "MuT/ASTOpConstantProjector.h"
#include "HAL/PlatformMath.h"
#include "MuR/ModelPrivate.h"
#include "MuR/RefCounted.h"
namespace mu
{
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
void ASTOpConstantProjector::ForEachChild(const TFunctionRef<void(ASTChild&)>)
{
}
uint64 ASTOpConstantProjector::Hash() const
{
uint64 res = std::hash<float>()(value.position[0]);
hash_combine(res, value.direction[0]);
return res;
}
bool ASTOpConstantProjector::IsEqual(const ASTOp& otherUntyped) const
{
if (otherUntyped.GetOpType() == GetOpType())
{
const ASTOpConstantProjector* other = static_cast<const ASTOpConstantProjector*>(&otherUntyped);
return value == other->value;
}
return false;
}
mu::Ptr<ASTOp> ASTOpConstantProjector::Clone(MapChildFuncRef) const
{
Ptr<ASTOpConstantProjector> n = new ASTOpConstantProjector();
n->value = value;
return n;
}
void ASTOpConstantProjector::Link(FProgram& program, FLinkerOptions*)
{
if (!linkedAddress)
{
OP::ResourceConstantArgs Args;
FMemory::Memzero(Args);
Args.value = program.AddConstant(value);
linkedAddress = (OP::ADDRESS)program.OpAddress.Num();
//program.m_code.push_back(op);
program.OpAddress.Add((uint32_t)program.ByteCode.Num());
AppendCode(program.ByteCode, EOpType::PR_CONSTANT);
AppendCode(program.ByteCode, Args);
}
}
}