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PUBG 6+ static mesh fix. #132

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PUBG 6+ static mesh fix. #132

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f841261
PUBG 6+ static mesh fix.
horsenit Jul 17, 2019
173fdef
Update exe
horsenit Jan 25, 2020
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3 changes: 3 additions & 0 deletions Unreal/GameDatabase.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -386,6 +386,9 @@ const GameInfo GListOfGames[] = {
# if LIS2
G("Life is Strange 2", lis2, GAME_LIS2),
# endif
# if PUBG
G("PUBG PC v6.0.1+", pubg, GAME_PUBG),
# endif
#endif // UNREAL4

// end marker
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1 change: 1 addition & 0 deletions Unreal/GameDefines.h
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Expand Up @@ -159,6 +159,7 @@
#define HIT 1 // Heroes of Incredible Tales
#define NGB 1 // New Gundam Breaker
#define LIS2 1 // Life is Strange 2
#define PUBG 1 // PUBG PC

#define SPECIAL_TAGS 1 // games with different PACKAGE_FILE_TAG

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1 change: 1 addition & 0 deletions Unreal/UnCore.h
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Expand Up @@ -427,6 +427,7 @@ enum EGame
// 4.16
GAME_NGB = GAME_UE4(16)+1,
GAME_UT4 = GAME_UE4(16)+2,
GAME_PUBG = GAME_UE4(16)+3,
// 4.17
GAME_LIS2 = GAME_UE4(17)+1,
// 4.19
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37 changes: 37 additions & 0 deletions Unreal/UnMesh4.cpp
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Expand Up @@ -1616,6 +1616,16 @@ struct FStaticMeshSection4
Ar << S.bEnableCollision << S.bCastShadow;
#if DAUNTLESS
if (Ar.Game == GAME_Dauntless) Ar.Seek(Ar.Tell()+8); // 8 zero-filled bytes here
#endif
#if PUBG
if (Ar.Game == GAME_PUBG) {
byte b;
int i;
Ar << b << i;
# if DEBUG_STATICMESH
appPrintf(" unk s8=%u, s32=%d\n", b, i);
# endif
}
#endif
//?? Has editor-only data?
return Ar;
Expand Down Expand Up @@ -1721,6 +1731,9 @@ struct FStaticMeshLODModel4
// UE4.20+
CDSF_MinLodData = 2, // used to drop some LODs
CDSF_ReversedIndexBuffer = 4,

// PUBG all 3 bits set, no idea what indicates what, they're just always set.
CDSF_StripIndexBuffers = 128 | 64 | 32,
};

static void Serialize(FArchive& Ar, FStaticMeshLODModel4& Lod)
Expand Down Expand Up @@ -1777,6 +1790,17 @@ struct FStaticMeshLODModel4
unguard;
}

// I guess it's highly compressible or something?
template<typename T>
static inline void UnpackIndex(TArray<T>& arr)
{
T currentIndex = 0;
for (auto i = 0; i < arr.Num(); i++) {
currentIndex += arr[i];
arr[i] = currentIndex;
}
}

// Pre-UE4.23 code
static void SerializeBuffersLegacy(FArchive& Ar, FStaticMeshLODModel4& Lod, const FStripDataFlags& StripFlags)
{
Expand All @@ -1787,8 +1811,18 @@ struct FStaticMeshLODModel4
Ar << Lod.ColorVertexBuffer;
Ar << Lod.IndexBuffer;

#if PUBG
if (Ar.Game == GAME_PUBG && StripFlags.IsClassDataStripped(CDSF_StripIndexBuffers)) {
UnpackIndex(Lod.IndexBuffer.Indices16);
UnpackIndex(Lod.IndexBuffer.Indices32);
}
#endif

/// reference for VER_UE4_SOUND_CONCURRENCY_PACKAGE (UE4.9+):
/// 25.09.2015 - 948c1698
#if PUBG
if (Ar.Game != GAME_PUBG || !StripFlags.IsClassDataStripped(CDSF_StripIndexBuffers)) {
#endif
if (Ar.ArVer >= VER_UE4_SOUND_CONCURRENCY_PACKAGE && !StripFlags.IsClassDataStripped(CDSF_ReversedIndexBuffer))
{
Ar << Lod.ReversedIndexBuffer;
Expand Down Expand Up @@ -1819,6 +1853,9 @@ struct FStaticMeshLODModel4
#if UT4
if (Ar.Game == GAME_UT4) return;
#endif
#if PUBG
}
#endif

if (Ar.Game >= GAME_UE4(16))
{
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Binary file modified umodel.exe
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