void FIND_ISGFlag()
{
_context.Name = "ISGFlag";
_subContext1.Name = "ivp_mindist_recursive function";
IntPtr tmp = _scanner.FindStringPtr("IVP Failed at %s %d");
Signature sig = new Signature($"68 ?? ?? ?? ?? 68 {tmp.GetByteString()}", 1);
sig.EvaluateMatch = (f_ptr) =>
{
IntPtr ptr2 = Game.ReadPointer(f_ptr);
if (_scanner.IsWithin(ptr2))
{
return(Game.ReadString(ptr2, 256).Contains("ivp_collision\\ivp_mindist_recursive.cxx"));
}
return(false);
};
tmp = _scanner.Scan(sig);
tmp = _scanner.BackTraceToFuncStart(tmp, Intermediate.Modify(vftable: 1));
tmp.Report(_pr, level: BlueFG);
_subContext1.Name = "Recheck_ov_element";
SigScanner scanner = new SigScanner(Game, tmp, 0x700);
SigCollection sc1 = new SigCollection(
new Signature("E? ?? ?? ?? 00", 0),
new Signature("E? ?? ?? ?? FF", 0));
SigCollection sc2 = new SigCollection(
new Signature("E8 ?? ?? ?? ?? ?? ?? ?? ?? E8", 0),
new Signature("E8 ?? ?? ?? ?? ?? ?? ?? E8", 0));
sc1.EvaluateMatch = (f_ptr) =>
{
IntPtr ptr2 = Game.ReadRelativeReference(f_ptr);
if (_scanner.IsWithin(ptr2))
{
ptr2 = _scanner.FindVFTableEntries(ptr2, true).FirstOrDefault();
if (ptr2 != IntPtr.Zero)
{
ptr2.Report(_pr, "Candidate");
ptr2 = Game.ReadPointer(ptr2 - 4);
SigScanner tmpScanner = new SigScanner(Game, ptr2, 0x20);
if (tmpScanner.Scan(sc2) != IntPtr.Zero)
{
return(true);
}
}
}
return(false);
};
tmp = Game.ReadRelativeReference(scanner.Scan(sc1));
_subContext1.Name = "";
tmp.Report(_pr, level: BlueBG);
}
void FIND_DoImageSpaceMotionBlur()
{
_context.Name = "DoImageSpaceMotionBlur";
_scanner.FindFuncThroughStringRef("dev/motion_blur", Intermediate.Modify(0x10000), pr: _pr);
}
void FIND_SleepUntilInput()
{
_context.Name = "SleepUntilInput";
_subContext1.Name = "CEngine::Frame";
IntPtr ptr = _scanner.FindStringPtr("fs_report_sync_opens");
ptr.Report(_pr, "string");
if (ptr == IntPtr.Zero)
{
return;
}
ptr = _scanner.Scan(new Signature("68" + ptr.GetByteString()));
ptr = _scanner.BackTraceToFuncStart(ptr, Intermediate.Modify(vftable: 1));
ptr.Report(_pr, level: BlueFG);
if (ptr == IntPtr.Zero)
{
return;
}
SigScanner tmpScanner = new SigScanner(Game, ptr, _scanner.TraceToFuncEnd(ptr));
SigCollection sc = new SigCollection(
new Signature("75 ?? ?? ?? ?? ?? ?? ?? 75", 9),
new Signature("0F 85 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 0F 85", 0xE));
ptr = tmpScanner.Scan(sc);
ptr.Report(_pr, "Target instructions");
if (ptr == IntPtr.Zero)
{
return;
}
tmpScanner = new SigScanner(Game, ptr, Game.ReadValue <byte>(ptr) + 1);
Signature sig = new Signature("8B 0D", 2);
ptr = tmpScanner.Scan(sig);
IntPtr inputDLLBase = Game.ReadPointer(ptr);
inputDLLBase.Report(_pr, "Input DLL base", BlueFG);
tmpScanner.Limit(ptr + 4);
sig = new Signature("FF");
sig.EvaluateMatch = (a) =>
{
for (int i = 0; i < 4; i++)
{
if (_scanner.IsWithin(Game.ReadRelativeReference(a - i)))
{
return(false);
}
}
return(true);
};
ptr = tmpScanner.Scan(sig);
ptr.Report(_pr, "Scan region end");
if (ptr == IntPtr.Zero)
{
return;
}
_subContext1.Name = "";
int[] possibleOffsets = new int[2];
possibleOffsets[0] = Game.ReadValue <byte>(ptr + 0x2);
byte[] bytes = Game.ReadBytes(tmpScanner.Start, ptr.SubtractI(tmpScanner.Start) + 2);
for (int i = bytes.Count() - 1; i >= 0; i--)
{
if (bytes[i] == 0x8B)
{
possibleOffsets[1] = bytes[i + 2];
break;
}
}
_pr.Print($"Possible offsets include 0x{possibleOffsets[0]:X} and 0x{possibleOffsets[1]:X}, testing both...", BlueFG);
ProcessModuleWow64Safe inputDLL = Game.GetModuleWow64Safe("inputsystem.dll");
SigScanner inputDLLScanner = inputDLL == null ? null : new SigScanner(Game, inputDLL.BaseAddress, inputDLL.ModuleMemorySize);
foreach (int off in possibleOffsets)
{
new DeepPointer(inputDLLBase, 0x0, off, 0x0).DerefOffsets(Game, out ptr);
_pr.Print($"Offset 0x{off:X} leads to 0x{ptr.ToString("X8")}");
if (ptr != IntPtr.Zero)
{
if (!_scanner.IsWithin(ptr))
{
if (inputDLLScanner != null)
{
if (!inputDLLScanner.IsWithin(ptr))
{
continue;
}
}
else
{
continue;
}
}
ptr.Report(_pr, "candidate", BlueBG);
break;
}
}
}
void FIND_FinishGravity()
{
IntPtr ptr;
Signature sig;
int matchCount = 0, i = 0;
_context.Name = "FinishGravity";
_pr.Print("Running method 1 -- looking 1 above CheckJumpButton in CGameMovement vftable", BlueFG);
_subContext1.Name = "1";
foreach (IntPtr cjbMatch in _listCheckJumpButtonMatches)
{
var matches = _scanner.FindVFTableEntries(cjbMatch);
foreach (var match in matches)
{
ptr = Game.ReadPointer(match - 0x8);
byte[] bytes = Game.ReadBytes(ptr, 10);
if (bytes[5] != 0xCC && bytes[5] != 0x90)
{
ptr.Report(_pr, $"candidate #{++matchCount}", BlueBG);
}
}
}
//-------------------
_subContext1.Name = "";
_pr.Print("Running method 2 -- looking for references to CheckVelocity and comparing results to calls found in CheckJumpButton", BlueFG);
_subContext1.Name = "2";
_subContext2.Name = "CheckVelocity";
List <IntPtr> tmp = _scanner.FindRelativeCalls(_ptrCheckVelocity, 0x100000);
List <IntPtr> checkVelRefs = new List <IntPtr>();
foreach (IntPtr checkVelRef in tmp)
{
ptr = _scanner.BackTraceToFuncStart(checkVelRef, Intermediate.Modify(vftable: 1));
if (!checkVelRefs.Contains(ptr))
{
checkVelRefs.Add(ptr);
ptr.Report(_pr, $"called from 0x{checkVelRef.ToString("X")} under function");
}
}
_subContext2.Name = "branching";
_pr.Print("Comparing calls to those found in CheckJumpButtons");
i = 0;
foreach (IntPtr cjbMatch in _listCheckJumpButtonMatches)
{
IntPtr end = _scanner.TraceToFuncEnd(cjbMatch);
_subContext3.Name = $"CJB at 0x{cjbMatch.ToString("X")}";
_pr.Print($"Searching through candidate #{++i} to 0x{end.ToString("X")}", BlueFG);
foreach (IntPtr checkVelRef in checkVelRefs)
{
List <IntPtr> calls = _scanner.FindRelativeCalls(checkVelRef, cjbMatch, end);
if (calls.Count() > 0)
{
calls.ForEach(x => x.Report(_pr, "caller"));
checkVelRef.Report(_pr, level: BlueBG);
}
}
}
}