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hook PeekMessageA for EV Nova

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This commit is contained in:
FunkyFr3sh 2023-02-27 18:25:28 +01:00
parent e4de1ada14
commit 86e3de4ad6
6 changed files with 108 additions and 2 deletions
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1
inc/dd.h
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@ -176,6 +176,7 @@ typedef struct CNCDDRAW
SPEEDLIMITER flip_limiter;
DWORD gui_thread_id;
BOOL rgb555;
BOOL hook_peekmessage;
} CNCDDRAW;

6
inc/hook.h
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@ -9,7 +9,7 @@
#define SKIP_HOOK3 0x00000002l
typedef struct HOOKLISTDATA { char function_name[32]; PROC new_function; PROC* function; DWORD flags; } HOOKLISTDATA;
typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[26]; } HOOKLIST;
typedef struct HOOKLIST { char module_name[32]; HOOKLISTDATA data[27]; } HOOKLIST;
typedef BOOL(WINAPI* GETCURSORPOSPROC)(LPPOINT);
typedef BOOL(WINAPI* CLIPCURSORPROC)(const RECT*);
@ -45,6 +45,9 @@ typedef int (WINAPI* STRETCHDIBITSPROC)(
HDC, int, int, int, int, int, int, int, int, const VOID*, const BITMAPINFO*, UINT, DWORD);
typedef HHOOK(WINAPI* SETWINDOWSHOOKEXAPROC)(int, HOOKPROC, HINSTANCE, DWORD);
typedef BOOL(WINAPI* PEEKMESSAGEAPROC)(LPMSG, HWND, UINT, UINT, UINT);
typedef int (WINAPI* GETDEVICECAPSPROC)(HDC, int);
typedef HMODULE(WINAPI* LOADLIBRARYAPROC)(LPCSTR);
typedef HMODULE(WINAPI* LOADLIBRARYWPROC)(LPCWSTR);
@ -82,6 +85,7 @@ extern STRETCHBLTPROC real_StretchBlt;
extern SETDIBITSTODEVICEPROC real_SetDIBitsToDevice;
extern STRETCHDIBITSPROC real_StretchDIBits;
extern SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA;
extern PEEKMESSAGEAPROC real_PeekMessageA;
extern GETDEVICECAPSPROC real_GetDeviceCaps;
extern LOADLIBRARYAPROC real_LoadLibraryA;
extern LOADLIBRARYWPROC real_LoadLibraryW;

1
inc/winapi_hooks.h
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@ -30,6 +30,7 @@ BOOL WINAPI fake_ShowWindow(HWND hWnd, int nCmdShow);
HWND WINAPI fake_GetTopWindow(HWND hWnd);
HWND WINAPI fake_GetForegroundWindow(void);
HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, DWORD dwThreadId);
BOOL WINAPI fake_PeekMessageA(LPMSG lpMsg, HWND hWnd, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg);
int WINAPI fake_GetDeviceCaps(HDC hdc, int index);
BOOL WINAPI fake_StretchBlt(

4
src/config.c
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@ -56,6 +56,7 @@ void cfg_load()
g_ddraw->limit_bltfast = cfg_get_bool("limit_bltfast", FALSE);
g_ddraw->opengl_core = cfg_get_bool("opengl_core", FALSE);
g_ddraw->rgb555 = cfg_get_bool("rgb555", FALSE);
g_ddraw->hook_peekmessage = cfg_get_bool("hook_peekmessage", FALSE);
cfg_get_string("screenshotdir", ".\\Screenshots\\", g_ddraw->screenshot_dir, sizeof(g_ddraw->screenshot_dir));
if (g_ddraw->locktopleft)
@ -378,6 +379,7 @@ static void cfg_create_ini()
"fixmousehook=false\n"
"bpp=0\n"
"rgb555=false\n"
"hook_peekmessage=false\n"
"\n"
"\n"
"\n"
@ -740,7 +742,7 @@ static void cfg_create_ini()
"[EV Nova]\n"
"renderer=opengl\n"
"devmode=true\n"
"resizable=false\n"
"hook_peekmessage=true\n"
"rgb555=true\n"
"keytogglefullscreen=0x46\n"
"\n"

2
src/hook.c
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@ -46,6 +46,7 @@ STRETCHBLTPROC real_StretchBlt = StretchBlt;
SETDIBITSTODEVICEPROC real_SetDIBitsToDevice = SetDIBitsToDevice;
STRETCHDIBITSPROC real_StretchDIBits = StretchDIBits;
SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA;
PEEKMESSAGEAPROC real_PeekMessageA = PeekMessageA;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
@ -84,6 +85,7 @@ static HOOKLIST g_hooks[] =
{ "ShowWindow", (PROC)fake_ShowWindow, (PROC*)&real_ShowWindow, 0 },
{ "GetTopWindow", (PROC)fake_GetTopWindow, (PROC*)&real_GetTopWindow, 0 },
{ "GetForegroundWindow", (PROC)fake_GetForegroundWindow, (PROC*)&real_GetForegroundWindow, 0 },
{ "PeekMessageA", (PROC)fake_PeekMessageA, (PROC*)&real_PeekMessageA, 0 },
{ "", NULL, NULL, 0 }
}
},

96
src/winapi_hooks.c
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@ -553,6 +553,102 @@ HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, D
return real_SetWindowsHookExA(idHook, lpfn, hmod, dwThreadId);
}
BOOL WINAPI fake_PeekMessageA(LPMSG lpMsg, HWND hWnd, UINT wMsgFilterMin, UINT wMsgFilterMax, UINT wRemoveMsg)
{
BOOL result = real_PeekMessageA(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg);
if (result)
{
switch (lpMsg->message)
{
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
{
if (!g_ddraw->devmode && !g_mouse_locked)
{
int x = GET_X_LPARAM(lpMsg->lParam);
int y = GET_Y_LPARAM(lpMsg->lParam);
if (x > g_ddraw->render.viewport.x + g_ddraw->render.viewport.width ||
x < g_ddraw->render.viewport.x ||
y > g_ddraw->render.viewport.y + g_ddraw->render.viewport.height ||
y < g_ddraw->render.viewport.y)
{
x = g_ddraw->width / 2;
y = g_ddraw->height / 2;
}
else
{
x = (DWORD)((x - g_ddraw->render.viewport.x) * g_ddraw->render.unscale_w);
y = (DWORD)((y - g_ddraw->render.viewport.y) * g_ddraw->render.unscale_h);
}
InterlockedExchange((LONG*)&g_ddraw->cursor.x, x);
InterlockedExchange((LONG*)&g_ddraw->cursor.y, y);
mouse_lock();
return FALSE;
}
/* fall through for lParam */
}
/* down messages are ignored if we have no cursor lock */
case WM_XBUTTONDBLCLK:
case WM_XBUTTONDOWN:
case WM_XBUTTONUP:
case WM_MOUSEWHEEL:
case WM_MOUSEHOVER:
case WM_LBUTTONDBLCLK:
case WM_MBUTTONDBLCLK:
case WM_RBUTTONDBLCLK:
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_MOUSEMOVE:
{
if (!g_ddraw->devmode && !g_mouse_locked)
{
return FALSE;
}
int x = max(GET_X_LPARAM(lpMsg->lParam) - g_ddraw->mouse.x_adjust, 0);
int y = max(GET_Y_LPARAM(lpMsg->lParam) - g_ddraw->mouse.y_adjust, 0);
if (g_ddraw->adjmouse)
{
if (g_ddraw->vhack && !g_ddraw->devmode)
{
POINT pt = { 0, 0 };
fake_GetCursorPos(&pt);
x = pt.x;
y = pt.y;
}
else
{
x = (DWORD)(roundf(x * g_ddraw->render.unscale_w));
y = (DWORD)(roundf(y * g_ddraw->render.unscale_h));
}
}
x = min(x, g_ddraw->width - 1);
y = min(y, g_ddraw->height - 1);
InterlockedExchange((LONG*)&g_ddraw->cursor.x, x);
InterlockedExchange((LONG*)&g_ddraw->cursor.y, y);
lpMsg->lParam = MAKELPARAM(x, y);
fake_GetCursorPos(&lpMsg->pt);
break;
}
}
}
return result;
}
int WINAPI fake_GetDeviceCaps(HDC hdc, int index)
{
if (g_ddraw &&