Files
UnrealEngineUWP/Engine/Source/Developer/MeshBuilder/Public/StaticMeshBuilder.h
tiago costa abca6b5a6c Resubmit CL26160360, 26146080, 26137852, 26126752
Only leaving CL 26157603 reverted since accessing GenerateSource in FDistanceFieldVolumeData::CacheDerivedData is not safe due to async mesh compilation.

#prelight 64948190a26e02126bc0a64f
#rb Krzysztof.Narkowicz

[CL 26206875 by tiago costa in ue5-main branch]
2023-06-23 04:28:57 -04:00

77 lines
2.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "MeshBuilder.h"
DECLARE_LOG_CATEGORY_EXTERN(LogStaticMeshBuilder, Log, All);
class UStaticMesh;
class FStaticMeshRenderData;
class FStaticMeshLODGroup;
class USkeletalMesh;
struct FOverlappingCorners;
struct FMeshDescription;
struct FMeshBuildSettings;
class MESHBUILDER_API FStaticMeshBuilder : public FMeshBuilder
{
public:
FStaticMeshBuilder();
virtual ~FStaticMeshBuilder() {}
virtual bool Build(
FStaticMeshRenderData& OutRenderData,
UStaticMesh* StaticMesh,
const FStaticMeshLODGroup& LODGroup,
bool bGenerateCoarseMeshStreamingLODs,
bool bAllowNanite) override;
//No support for skeletal mesh build in this class
virtual bool Build(const struct FSkeletalMeshBuildParameters& SkeletalMeshBuildParameters) override
{
bool No_Support_For_SkeletalMesh_Build_In_FStaticMeshBuilder_Class = false;
check(No_Support_For_SkeletalMesh_Build_In_FStaticMeshBuilder_Class);
return false;
}
virtual bool BuildMeshVertexPositions(
UStaticMesh* StaticMesh,
TArray<uint32>& Indices,
TArray<FVector3f>& Vertices,
FStaticMeshSectionArray& Sections) override;
private:
void OnBuildRenderMeshStart(class UStaticMesh* StaticMesh, const bool bInvalidateLighting);
void OnBuildRenderMeshFinish(class UStaticMesh* StaticMesh, const bool bRebuildBoundsAndCollision);
/** Used to refresh all components in the scene that may be using a mesh we're editing */
TSharedPtr<class FStaticMeshComponentRecreateRenderStateContext> RecreateRenderStateContext;
};
namespace UE::Private::StaticMeshBuilder
{
MESHBUILDER_API void BuildVertexBuffer(
UStaticMesh* StaticMesh,
const FMeshDescription& MeshDescription,
const FMeshBuildSettings& BuildSettings,
TArray<int32>& OutWedgeMap,
FStaticMeshSectionArray& OutSections,
TArray<TArray<uint32>>& OutPerSectionIndices,
FMeshBuildVertexData& BuildVertexData,
const FOverlappingCorners& OverlappingCorners,
TArray<int32>& RemapVerts,
FBoxSphereBounds& MeshBounds,
bool bNeedTangents,
bool bNeedWedgeMap
);
MESHBUILDER_API void BuildCombinedSectionIndices(
const TArray<TArray<uint32>>& PerSectionIndices,
FStaticMeshSectionArray& SectionsOut,
TArray<uint32>& CombinedIndicesOut,
bool& bNeeds32BitIndicesOut);
}