62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "HAL/Platform.h"
|
|
#include "MuR/Operations.h"
|
|
#include "MuR/Ptr.h"
|
|
#include "MuT/AST.h"
|
|
|
|
|
|
namespace mu
|
|
{
|
|
struct FProgram;
|
|
|
|
/** Calculate the difference between two meshes (usually to calculate a morph delta). */
|
|
class ASTOpMeshDifference final : public ASTOp
|
|
{
|
|
public:
|
|
|
|
/** Base mesh of the morph. */
|
|
ASTChild Base;
|
|
|
|
/** Target mesh of the morph. */
|
|
ASTChild Target;
|
|
|
|
/** If true the texture coordinates will not be morphed.This is only relevant if the list in channelSemantic is empty. */
|
|
bool bIgnoreTextureCoords;
|
|
|
|
/** Channels to diff. */
|
|
struct FChannel
|
|
{
|
|
uint8 Semantic=0;
|
|
uint8 SemanticIndex=0;
|
|
|
|
inline bool operator==( const FChannel& Other ) const
|
|
{
|
|
return Semantic == Other.Semantic && SemanticIndex == Other.SemanticIndex;
|
|
}
|
|
};
|
|
TArray<FChannel> Channels;
|
|
|
|
public:
|
|
|
|
ASTOpMeshDifference();
|
|
ASTOpMeshDifference(const ASTOpMeshDifference&) = delete;
|
|
~ASTOpMeshDifference() override;
|
|
|
|
// ASTOp interface
|
|
EOpType GetOpType() const override { return EOpType::ME_DIFFERENCE; }
|
|
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 Link(FProgram& program, FLinkerOptions*) override;
|
|
Ptr<ASTOp> OptimiseSink(const FModelOptimizationOptions&, FOptimizeSinkContext&) const override;
|
|
virtual FSourceDataDescriptor GetSourceDataDescriptor(FGetSourceDataDescriptorContext*) const override;
|
|
|
|
};
|
|
|
|
}
|
|
|