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d30fed9551
#rb juan.canada #preflight 619c5386fa0b360c407f9573 #ROBOMERGE-AUTHOR: yujiang.wang #ROBOMERGE-SOURCE: CL 18266488 in //UE5/Release-5.0/... via CL 18266508 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469) [CL 18266515 by yujiang wang in ue5-release-engine-test branch]
112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "Math/Vector2D.h"
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#include "Math/Vector4.h"
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#include "CoreMinimal.h"
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#include "Misc/Guid.h"
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//#include "Math/Vector2D.h"
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//#include "Math/Vector4.h"
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namespace Lightmass
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{
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enum { MAX_TEXCOORDS=4 };
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#if !PLATFORM_MAC && !PLATFORM_LINUX
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#pragma pack(push, 1)
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#endif
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//----------------------------------------------------------------------------
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// Helper definitions
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// Mesh export file header
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//----------------------------------------------------------------------------
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struct FMeshFileHeader
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{
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/** FourCC cookie: 'MESH' */
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uint32 Cookie;
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FGuid FormatVersion;
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// These structs follow immediately after this struct.
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//
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// FBaseMeshData BaseMeshData;
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// FStaticMeshData MeshData;
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// StaticMeshLODAggregate MeshLODs[ MeshData.NumLODs ];
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//
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// Where:
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//
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// struct StaticMeshLODAggregate
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// {
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// FStaticMeshLODData LOD;
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// FStaticMeshElementData MeshElements[ LOD.NumElements ];
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// UINT16 Indices[ LOD.NumIndices ];
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// FStaticMeshVertex Vertices[ LOD.NumVertices ];
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// };
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};
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//----------------------------------------------------------------------------
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// Base mesh
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//----------------------------------------------------------------------------
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struct FBaseMeshData
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{
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FGuid Guid;
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};
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//----------------------------------------------------------------------------
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// Static mesh, builds upon FBaseMeshData
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//----------------------------------------------------------------------------
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struct FStaticMeshData
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{
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uint32 LightmapCoordinateIndex;
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uint32 NumLODs;
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};
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//----------------------------------------------------------------------------
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// Static mesh LOD
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//----------------------------------------------------------------------------
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struct FStaticMeshLODData
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{
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uint32 NumElements;
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/** Total number of triangles for all elements in the LOD. */
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uint32 NumTriangles;
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/** Total number of indices in the LOD. */
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uint32 NumIndices;
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/** Total number of vertices in the LOD. */
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uint32 NumVertices;
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};
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//----------------------------------------------------------------------------
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// Static mesh element
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//----------------------------------------------------------------------------
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struct FStaticMeshElementData
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{
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uint32 FirstIndex;
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uint32 NumTriangles;
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uint32 bEnableShadowCasting : 1;
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};
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//----------------------------------------------------------------------------
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// Static mesh vertex
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//----------------------------------------------------------------------------
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struct FStaticMeshVertex
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{
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FVector4f Position;
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FVector4f TangentX;
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FVector4f TangentY;
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FVector4f TangentZ;
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FVector2f UVs[MAX_TEXCOORDS];
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};
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#if !PLATFORM_MAC && !PLATFORM_LINUX
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#pragma pack(pop)
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#endif
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} // namespace Lightmass
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