103 lines
1.6 KiB
C++
103 lines
1.6 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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AliensVsPredator.cpp
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Abstract:
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The app calls a Bink API to outside of a BinkOpen/BinkClose call. This is
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a synchronization issue fixed by delaying the BinkClose call.
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Notes:
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This is an app specific shim.
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History:
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01/12/2001 linstev Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(AliensVsPredator)
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#include "ShimHookMacro.h"
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typedef DWORD (WINAPI *_pfn_BinkOpen)(DWORD dw1, DWORD dw2);
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typedef BOOL (WINAPI *_pfn_BinkClose)(DWORD dw1);
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(BinkOpen)
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APIHOOK_ENUM_ENTRY(BinkClose)
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APIHOOK_ENUM_END
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DWORD g_dwLast = 0;
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BOOL g_bReal = FALSE;
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/*++
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Close the last handle.
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--*/
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DWORD
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APIHOOK(BinkOpen)(
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DWORD dw1,
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DWORD dw2
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)
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{
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if (g_dwLast)
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{
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DPFN( eDbgLevelInfo, "Closing most recent Bink handle");
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g_bReal = TRUE;
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ORIGINAL_API(BinkClose)(g_dwLast);
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g_bReal = FALSE;
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g_dwLast = 0;
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}
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return ORIGINAL_API(BinkOpen)(dw1, dw2);
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}
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/*++
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Cache the handle
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--*/
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BOOL
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APIHOOK(BinkClose)(
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DWORD dw1
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)
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{
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if (g_bReal)
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{
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return ORIGINAL_API(BinkClose)(dw1);
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}
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else
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{
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DPFN( eDbgLevelInfo, "Delaying BinkClose");
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g_dwLast = dw1;
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return 1;
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}
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY_NAME(BINKW32.DLL, BinkOpen, _BinkOpen@8)
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APIHOOK_ENTRY_NAME(BINKW32.DLL, BinkClose, _BinkClose@4)
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HOOK_END
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IMPLEMENT_SHIM_END
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