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

54 lines
1.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "HAL/PlatformMath.h"
#include "MuR/Operations.h"
#include "MuR/Ptr.h"
#include "MuT/AST.h"
namespace mu
{
struct FProgram;
//---------------------------------------------------------------------------------------------
//! Variable sized mesh block extract operation.
//---------------------------------------------------------------------------------------------
class ASTOpMeshExtractLayoutBlocks final : public ASTOp
{
public:
/** Source mesh to extract block from. */
ASTChild Source;
/** Layout to use to select the blocks. */
uint16 LayoutIndex = 0;
/** Block Ids to include in the resulting mesh. If this is empty all vertices with any valid block assigned will be included. */
TArray<uint64> Blocks;
public:
ASTOpMeshExtractLayoutBlocks();
ASTOpMeshExtractLayoutBlocks(const ASTOpMeshExtractLayoutBlocks&) = delete;
~ASTOpMeshExtractLayoutBlocks() override;
// ASTOp interface
EOpType GetOpType() const override { return EOpType::ME_EXTRACTLAYOUTBLOCK; }
uint64 Hash() const override;
void ForEachChild(const TFunctionRef<void(ASTChild&)>) override;
bool IsEqual(const ASTOp& otherUntyped) const override;
Ptr<ASTOp> Clone(MapChildFuncRef mapChild) const override;
void Assert() override;
void Link(FProgram& program, FLinkerOptions* Options) override;
mu::Ptr<ASTOp> OptimiseSink(const FModelOptimizationOptions&, FOptimizeSinkContext&) const;
virtual FSourceDataDescriptor GetSourceDataDescriptor(FGetSourceDataDescriptorContext*) const override;
};
}