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ddinput.cpp
100 lines (88 loc) · 2.98 KB
/
ddinput.cpp
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#define STRICT
#define WIN32_LEAN_AND_MEAN
#define INITGUID
#define DIRECTDRAW_VERSION 0x0700
#define DIRECT3D_VERSION 0x0700
#include <windows.h>
#include <ddraw.h>
#include "d3d.h"
#include "ddoutput.h"
#include "wrapper.h"
#ifdef _DEBUG
#define DEBUGMESS(a) OutputDebugStringA(a)
#else
#define DEBUGMESS(a)
#endif
typedef HRESULT (_stdcall *DDrawCreateProc)(void* a, void* b, void* c);
typedef HRESULT (_stdcall *DDrawEnumerateProc)(void* callback, void* context);
typedef void (_stdcall *DDrawMiscProc)();
typedef HRESULT (_stdcall *DDrawCreateExProc)(GUID FAR *lpGUID, LPVOID *lplpDD, REFIID iid, IUnknown FAR *pUnkOuter);
static DDrawCreateProc DDrawCreate=0;
static DDrawEnumerateProc DDrawEnumerate=0;
static DDrawMiscProc AcquireLock;
static DDrawMiscProc ParseUnknown;
static DDrawMiscProc InternalLock;
static DDrawMiscProc InternalUnlock;
static DDrawMiscProc ReleaseLock;
static DDrawCreateExProc DDrawCreateEx;
static void LoadDLL() {
char path[MAX_PATH];
GetSystemDirectoryA(path,MAX_PATH);
strcat_s(path, "\\ddraw.dll");
HMODULE ddrawdll=LoadLibraryA(path);
//HMODULE ddrawdll=LoadLibraryA("csfix.dll");
DDrawCreate=(DDrawCreateProc)GetProcAddress(ddrawdll, "DirectDrawCreate");
DDrawEnumerate=(DDrawEnumerateProc)GetProcAddress(ddrawdll, "DirectDrawEnumerateA");
DDrawCreateEx=(DDrawCreateExProc)GetProcAddress(ddrawdll, "DirectDrawCreateEx");
AcquireLock=(DDrawMiscProc)GetProcAddress(ddrawdll, "AcquireDDThreadLock");
ParseUnknown=(DDrawMiscProc)GetProcAddress(ddrawdll, "D3DParseUnknownCommand");
InternalLock=(DDrawMiscProc)GetProcAddress(ddrawdll, "DDInternalLock");
InternalUnlock=(DDrawMiscProc)GetProcAddress(ddrawdll, "DDInternalUnlock");
ReleaseLock=(DDrawMiscProc)GetProcAddress(ddrawdll, "ReleaseDDThreadLock");
}
extern "C" void __declspec(naked) myAcquireLock() {
logf(__FUNCTION__ "\n");
_asm jmp AcquireLock;
}
extern "C" void __declspec(naked) myParseUnknown() {
logf(__FUNCTION__ "\n");
_asm jmp ParseUnknown;
}
extern "C" void __declspec(naked) myInternalLock() {
logf(__FUNCTION__ "\n");
_asm jmp InternalLock;
}
extern "C" void __declspec(naked) myInternalUnlock() {
logf(__FUNCTION__ "\n");
_asm jmp InternalUnlock;
}
extern "C" void __declspec(naked) myReleaseLock() {
logf(__FUNCTION__ "\n");
_asm jmp ReleaseLock;
}
extern "C" HRESULT _stdcall myDirectDrawCreate(GUID* a, IDirectDraw** b, IUnknown* c) {
logf(__FUNCTION__ "\n");
if(!DDrawCreate) LoadDLL();
HRESULT hr=DDrawCreate(a,b,c);
if(FAILED(hr)) return hr;
*b=(IDirectDraw*)new myIDirectDraw(*b);
return 0;
}
extern "C" HRESULT _stdcall myDirectDrawCreateEx(
GUID FAR *lpGUID,
LPVOID *lplpDD,
REFIID iid,
IUnknown FAR *pUnkOuter
)
{
logf(__FUNCTION__ "\n");
if(!DDrawCreate) LoadDLL();
HRESULT hr = DDrawCreateEx(lpGUID, lplpDD, iid, pUnkOuter);
genericQueryInterface(iid, lplpDD);
return hr;
}
extern "C" HRESULT _stdcall myDirectDrawEnumerate(void* lpCallback, void* lpContext) {
logf(__FUNCTION__ "\n");
if(!DDrawEnumerate) LoadDLL();
return DDrawEnumerate(lpCallback, lpContext);
}