[MBilal]

Код:

public OnPlayerWeaponShot(playerid, weaponid, hittype, hitid, Float:fX, Float:fY, Float:fZ)
{
	if(hittype == 1)
	{
         if (GetPlayerTeam(playerid) != GetPlayerTeam(hitid))
        {
           foreach(Player,i)
           {
    	    SetPlayerMarkerForPlayer(i, playerid, 0xFF0000FF );
	   }
        }
        }
    return 1;
}

As i little understand you want if teammate !=teammate show shotter in minimap for all.
well test this out. i didn't tested yet.