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Fix mouse hooks, workaround 64bit crash

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This commit is contained in:
Toni Spets 2010-10-24 19:47:51 +03:00
parent 4621157a67
commit 03b62b21d4
5 changed files with 45 additions and 46 deletions
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47
mouse.c
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@ -37,12 +37,12 @@ struct game games[] =
0x004C894A, /* address should contain 2E FF 15 */
0x005B0184, /* GetCursorPos thunk addr */
{
0x004C88CB, /* ClipCursor */
0x004C88DF, /* ClipCursor */
0x0041114E, /* ShowCursor */
0x00411197, /* ShowCursor */
0x0045448F, /* ShowCursor */
0x004CCE61, /* SetCursor */
0x004C88CC, /* ClipCursor */
0x004C88E0, /* ClipCursor */
0x0041114F, /* ShowCursor */
0x00411198, /* ShowCursor */
0x00454490, /* ShowCursor */
0x004CCE62, /* SetCursor */
0x00000000
},
},
@ -51,14 +51,14 @@ struct game games[] =
0x005B39C0,
0x005E6848,
{
0x005C194C, /* ClipCursor */
0x005C196C, /* ClipCursor */
0x004F839F, /* ShowCursor */
0x005B3A25, /* ShowCursor */
0x005B3A72, /* ShowCursor */
0x005A02CC, /* SetCursor */
0x005A0309, /* SetCursor */
0x005A0323, /* SetCursor */
0x005C194D, /* ClipCursor */
0x005C196D, /* ClipCursor */
0x004F83A0, /* ShowCursor */
0x005B3A26, /* ShowCursor */
0x005B3A73, /* ShowCursor */
0x005A02CD, /* SetCursor */
0x005A030A, /* SetCursor */
0x005A0324, /* SetCursor */
0x00000000
},
},
@ -78,9 +78,11 @@ BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)
return TRUE;
}
BOOL mouse_active = FALSE;
void mouse_lock()
{
if(!ddraw->locked)
if(mouse_active && !ddraw->locked)
{
ddraw->locked = TRUE;
ClipCursor(&ddraw->cursorclip);
@ -91,6 +93,11 @@ void mouse_lock()
void mouse_unlock()
{
if(!mouse_active)
{
return;
}
if(ddraw->locked)
{
ShowCursor(TRUE);
@ -114,7 +121,7 @@ void mouse_init(HWND hWnd)
DWORD dwWritten;
int i;
unsigned char buf[8];
unsigned char buf[7];
GetWindowThreadProcessId(hWnd, &tmp);
hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, tmp);
@ -130,15 +137,19 @@ void mouse_init(HWND hWnd)
{
WriteProcessMemory(hProcess, (void *)ptr->hook, &tmp, 4, &dwWritten);
memset(buf, 0x90, 8);
memset(buf, 0x90, 7); // NOP
buf[0] = 0x58; // POP EAX
buf[1] = 0x33; // XOR EAX,EAX
buf[2] = 0xC0; // ^
for(i=0;i<MAX_NOPS;i++)
{
if(!ptr->nops[i])
break;
WriteProcessMemory(hProcess, (void *)ptr->nops[i], buf, 8, &dwWritten);
WriteProcessMemory(hProcess, (void *)ptr->nops[i], buf, 7, &dwWritten);
}
mouse_active = TRUE;
return;
}
ptr++;