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Port CdStream race condition to newsteam as freezing is very frequent now

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Silent 2018-05-20 22:00:39 +02:00
parent 9d30b51273
commit 623464d45e
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GPG key ID: AE53149BB0C45AF1
3 changed files with 70 additions and 1 deletions
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SilentPatch/SilentPatch.rc
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69
SilentPatchSA/SilentPatchSA.cpp
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@ -2988,6 +2988,69 @@ BOOL InjectDelayedPatches_Steam()
return TRUE;
}
BOOL InjectDelayedPatches_Newsteam()
{
if ( !IsAlreadyRunning() )
{
using namespace Memory;
using namespace hook;
const HINSTANCE hInstance = GetModuleHandle( nullptr );
std::unique_ptr<ScopedUnprotect::Unprotect> Protect = ScopedUnprotect::UnprotectSectionOrFullModule( hInstance, ".text" );
ScopedUnprotect::Section Protect2( hInstance, ".rdata" );
// Race condition in CdStream fixed
// Not taking effect with modloader
//if ( !ModCompat::ModloaderCdStreamRaceConditionAware( modloaderModule ) )
{
// Don't patch if old FLA and enhanced IMGs are in place
// For new FLA, we patch everything except CdStreamThread and then interop with FLA
constexpr bool flaBugAware = false;
constexpr bool usesEnhancedImages = false;
if constexpr ( !usesEnhancedImages || flaBugAware )
{
void* initThread = get_pattern( "74 14 81 25 ? ? ? ? ? ? ? ? C7 05", 0x16 );
ReadCall( initThread, CdStreamSync::orgCdStreamInitThread );
InjectHook( initThread, CdStreamSync::CdStreamInitThread );
auto cdStreamSync = pattern( "8B 0D ? ? ? ? 8D 04 40 03 C0" ).get_one(); // 0x4064E6
Patch( cdStreamSync.get<void>( 0x18 ), { 0x56, 0xFF, 0x15 } );
Patch( cdStreamSync.get<void>( 0x18 + 3 ), &CdStreamSync::CdStreamSyncOnObject );
Patch( cdStreamSync.get<void>( 0x18 + 3 + 4 ), { 0x5E, 0x5D, 0xC3 } ); // pop ebp / retn
Patch( cdStreamSync.get<void>( 0x5E + 2 ), &CdStreamSync::pGetOverlappedResult );
Patch( cdStreamSync.get<void>( 0x5E + 6 ), { 0x5E, 0x5D, 0xC3 } ); // pop esi / pop ebp / retn
if constexpr ( !usesEnhancedImages )
{
auto cdStreamThread = pattern( "C7 46 04 00 00 00 00 8A 4E 0D" ).get_one();
Patch( cdStreamThread.get<void>(), { 0x56, 0xFF, 0x15 } );
Patch( cdStreamThread.get<void>( 3 ), &CdStreamSync::CdStreamThreadOnObject );
Patch( cdStreamThread.get<void>( 3 + 4 ), { 0xEB, 0x17 } );
}
auto cdStreamInitThread = pattern( "6A 00 6A 02 6A 00 6A 00 FF D3" ).get_one();
Patch( cdStreamInitThread.get<void>(), { 0xFF, 0x15 } );
Patch( cdStreamInitThread.get<void>( 2 ), &CdStreamSync::CdStreamInitializeSyncObject );
Nop( cdStreamInitThread.get<void>( 6 ), 4 );
Nop( cdStreamInitThread.get<void>( 0x16 ), 2 );
auto cdStreamShutdown = pattern( "8B 4C 07 14" ).get_one();
Patch( cdStreamShutdown.get<void>(), { 0x56, 0x50 } );
InjectHook( cdStreamShutdown.get<void>( 2 ), CdStreamSync::CdStreamShutdownSyncObject_Stub, PATCH_CALL );
}
}
return FALSE;
}
return TRUE;
}
static char aNoDesktopMode[64];
@ -4809,6 +4872,12 @@ void Patch_SA_NewSteam_Common()
using namespace Memory;
using namespace hook;
{
void* isAlreadyRunning = get_pattern( "85 C0 74 08 33 C0 8B E5 5D C2 10 00", -5 );
ReadCall( isAlreadyRunning, IsAlreadyRunning );
InjectHook(isAlreadyRunning, InjectDelayedPatches_Newsteam);
}
// 6 extra directionals on Medium and higher
// push dword ptr [CGame::currArea]
// call GetMaxExtraDirectionals

2
SilentPatchSA/versionmeta.props
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@ -6,7 +6,7 @@
<SILENTPATCH_EXT>.asi</SILENTPATCH_EXT>
<SILENTPATCH_FULL_NAME>SilentPatch for San Andreas</SILENTPATCH_FULL_NAME>
<SILENTPATCH_REVISION_ID>29</SILENTPATCH_REVISION_ID>
<SILENTPATCH_BUILD_ID>0</SILENTPATCH_BUILD_ID>
<SILENTPATCH_BUILD_ID>1</SILENTPATCH_BUILD_ID>
<SILENTPATCH_COPYRIGHT>2014-2018</SILENTPATCH_COPYRIGHT>
</PropertyGroup>
<PropertyGroup />