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Automagically hook C&C and RA, C&C window is still broken

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This commit is contained in:
Toni Spets 2010-10-24 09:48:43 +03:00
parent 4e57e75652
commit 4621157a67
1 changed files with 74 additions and 4 deletions
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78
mouse.c
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@ -21,6 +21,56 @@
#include "main.h" #include "main.h"
#include "surface.h" #include "surface.h"
#define MAX_NOPS 16
struct game
{
DWORD check; /* memory address of one GetCursorPos call (for game identifying, 2E FF 15) */
DWORD hook; /* memory address where the GetCursorPos call pointer is */
DWORD nops[MAX_NOPS]; /* points where a 1+7 byte import call is NOP'd (ClipCursor, ShowCursor), first byte is a PUSH that has to be removed */
};
struct game games[] =
{
/* Command & Conquer */
{
0x004C894A, /* address should contain 2E FF 15 */
0x005B0184, /* GetCursorPos thunk addr */
{
0x004C88CB, /* ClipCursor */
0x004C88DF, /* ClipCursor */
0x0041114E, /* ShowCursor */
0x00411197, /* ShowCursor */
0x0045448F, /* ShowCursor */
0x004CCE61, /* SetCursor */
0x00000000
},
},
/* Red Alert */
{
0x005B39C0,
0x005E6848,
{
0x005C194C, /* ClipCursor */
0x005C196C, /* ClipCursor */
0x004F839F, /* ShowCursor */
0x005B3A25, /* ShowCursor */
0x005B3A72, /* ShowCursor */
0x005A02CC, /* SetCursor */
0x005A0309, /* SetCursor */
0x005A0323, /* SetCursor */
0x00000000
},
},
{
0x00000000,
0x00000000,
{
0x00000000
},
},
};
BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint) BOOL WINAPI fake_GetCursorPos(LPPOINT lpPoint)
{ {
lpPoint->x = ddraw->cursor.x; lpPoint->x = ddraw->cursor.x;
@ -62,15 +112,35 @@ void mouse_init(HWND hWnd)
DWORD tmp; DWORD tmp;
HANDLE hProcess; HANDLE hProcess;
DWORD dwWritten; DWORD dwWritten;
int i;
unsigned char buf[8];
GetWindowThreadProcessId(hWnd, &tmp); GetWindowThreadProcessId(hWnd, &tmp);
hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, tmp); hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, tmp);
tmp = (DWORD)fake_GetCursorPos; tmp = (DWORD)fake_GetCursorPos;
// Command & Conquer struct game *ptr = &games[0];
//WriteProcessMemory(hProcess, (void *)0x005B0184, &tmp, 4, &dwWritten);
// Red Alert while(ptr->check)
//WriteProcessMemory(hProcess, (void *)0x005E6848, &tmp, 4, &dwWritten); {
ReadProcessMemory(hProcess, (void *)ptr->check, buf, 3, &dwWritten);
if(buf[0] == 0x2E && buf[1] == 0xFF && buf[2] == 0x15)
{
WriteProcessMemory(hProcess, (void *)ptr->hook, &tmp, 4, &dwWritten);
memset(buf, 0x90, 8);
for(i=0;i<MAX_NOPS;i++)
{
if(!ptr->nops[i])
break;
WriteProcessMemory(hProcess, (void *)ptr->nops[i], buf, 8, &dwWritten);
}
return;
}
ptr++;
}
} }