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ItsMods Archive Archive [Tutorial] Advanced UAV for Modern Warfare 3 - MW3*cardoow*

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Tutorial Advanced UAV for Modern Warfare 3 - MW3*cardoow*
d0h! Offline
ima chargin ma lazor
Posts: 6,052
Threads: 429
Joined: Oct 2010
#1
12-24-2011, 10:51 (This post was last modified: 12-24-2011, 10:52 by d0h!.)
cardoow Wrote:Well since the radar is drawn locally you can manipulate it like a boss, saw people draw their own radar + use rotatedpic, but i personally like to use the engine to achieve my wishes. So since its almost christmas i have some Advanced UAV code for you guys.

this function does it all

Code:
void __cdecl sub_47F690(int a1, int a2, int a3, int a4, int a5)

it loops trough a struct of 18 big, as far as i know its not clientinfo or entity, feel free to reverse it

Code:
v7 = (char *)&unk_8F2938 + 3640 * a1;
    v52 = 18;
    do
    {
      .....
      v7 += 140; //see here the struct size = 0x8C = 140 dec
    }
    while ( v52-- != 1 );

now we're heading to some more important stuff
at the bottom of the function we see a call to drawrotatedpic

Code:
sub_40D420(v51, v55, v56, v48, v47, *(_BYTE *)(a4 + 16), *(_BYTE *)(a4 + 17), v44, (int)&v58, v31);

and we see that v31 holds the shader.
if we scroll up a bit we see this piece of code

Code:
if ( dword_8FF284 || v10 ) // 0x8FF080 is cg_t, means cg_t + 0x204 holds the advanced uav value
{
    if ( !v45 || !dword_A041F8 || (v31 = dword_A041F8, sub_4F5920(dword_A041F8)) )
    v31 = dword_A04184; // here v31 will hold compassping_enemyfacingdirection
}

so we now know where to toggle the advanced uav, but now we only see the shaders when people shoot. We want those shaders at all time.
Now if we take a look at the top of the function we will find this

Code:
if ( v7[56] & 1 )//guess here they check for isalive
      {
        v8 = *((_DWORD *)v7 + 16);
        v10 = (unsigned __int16)((_WORD)v8 >> 16);
        v9 = (*((_DWORD *)v7 + 16) >> 17) & 1;
        if ( v43 || v9 || (_WORD)v8 >> 16 || (unsigned __int16)(v8 & 0x8000) )
        {
          //we need to make sure this if is true
          //we can do hard stuff with shifts or bitwise ands, or just take the easy way and pick v43
          v12 = dword_96A1DC;
          v11 = 1;
          if ( *(_DWORD *)v7 > LODWORD(dword_96A1DC) )
            *(_DWORD *)v7 = 0;
          if ( *(_DWORD *)v7 < LODWORD(v12) - 500 )
            goto LABEL_71;
        }
        else
        {
          v11 = 0;
        }

if we look something above that code we will find this

Code:
v43 = *(_BYTE *)(dword_1C2C39C + 12);

hey! that looks like a cvar! + 0xC is the value, hmm lets make it have a value! (this is g_compassShowEnemies)

Code:
void AdvancedUAV()
{    
    cg_t->uav = 1;    //the 0x8FF284 we found before in cg_t
    *(BYTE*)(*(DWORD*)(0x1C2C39C) + 0xC) = 1;    // the cvar        
}

call this every frame and you will have advanced uav at all time, have fun!
[Image: eQkFUW.png]

hexrays

Spoiler (Click to View)

assembly

Spoiler (Click to View)

Credits:
cardoow
*UC
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OrangePL Offline
EL CHETO
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Posts: 2,992
Threads: 55
Joined: Feb 2011
Reputation: 114
#2
12-24-2011, 13:01
Very nice but detected, umless you do it different way (DLL posted is detected)
[Image: lQDUjba.jpg]
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d0h! Offline
ima chargin ma lazor
Posts: 6,052
Threads: 429
Joined: Oct 2010
#3
12-24-2011, 14:22
proof that its detected? it could be yes but there is only one person i saw that said he has been banned for it.

also as always, these scripts, sources posted on this forum containing code are only for education purposes.
we are not responsible if something happens to your account
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OrangePL Offline
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Posts: 2,992
Threads: 55
Joined: Feb 2011
Reputation: 114
#4
12-24-2011, 15:49
Someone at MPGH made DLL for it, then someone reported that he got banned (not sure if the dll was the reason, maybe he used other hax)
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