void HandleProcess(Process game, GameOffsets offsets, CancellationTokenSource cts)
{
Debug.WriteLine("HandleProcess " + game.ProcessName);
var state = new GameState(game, offsets);
this.InitGameState(state);
var profiler = Stopwatch.StartNew();
while (!game.HasExited && !cts.IsCancellationRequested)
{
// iteration must never take longer than 1 tick
this.UpdateGameState(state);
this.CheckGameState(state);
state.UpdateCount++;
TimedTraceListener.Instance.UpdateCount = state.UpdateCount;
if (profiler.ElapsedMilliseconds >= TARGET_UPDATE_RATE)
{
Debug.WriteLine("**** update iteration took too long: " + profiler.ElapsedMilliseconds);
}
//var sleep = Stopwatch.StartNew();
//MapTimesForm.Instance.Text = profiler.Elapsed.ToString();
Thread.Sleep(Math.Max(TARGET_UPDATE_RATE - (int)profiler.ElapsedMilliseconds, 1));
//MapTimesForm.Instance.Text = sleep.Elapsed.ToString();
profiler.Restart();
}
}
public GameState(Process game, GameOffsets offsets)
{
this.GameProcess = game;
this.GameOffsets = offsets;
RawTickCount = new ValueWatcher <int>(0);
PlayerViewEntityIndex = new ValueWatcher <int>(0);
PlayerFlags = new ValueWatcher <FL>(new FL());
PlayerPosition = new ValueWatcher <Vector3f>(new Vector3f());
PlayerParentEntityHandle = new ValueWatcher <int>(0);
HostState = new ValueWatcher <HostState>(SourceSplit.HostState.NewGame);
SignOnState = new ValueWatcher <SignOnState>(SourceSplit.SignOnState.None);
ServerState = new ValueWatcher <ServerState>(SourceSplit.ServerState.Dead);
}
void UpdateGameState(GameState state)
{
Process game = state.GameProcess;
GameOffsets offsets = state.GameOffsets;
// update all the stuff that doesn't depend on the signon state
game.ReadInt32(offsets.TickCountPtr, out state.RawTickCount);
game.ReadFloat(offsets.IntervalPerTickPtr, out state.IntervalPerTick);
state.PrevSignOnState = state.SignOnState;
game.ReadEnum32(offsets.SignOnStatePtr, out state.SignOnState);
state.PrevHostState = state.HostState;
game.ReadEnum32(offsets.HostStatePtr, out state.HostState);
bool firstTick = false;
// update the stuff that's only valid during signon state full
if (state.SignOnState == SignOnState.Full)
{
// if signon state just became full (where demos start timing from)
if (state.SignOnState != state.PrevSignOnState)
{
firstTick = true;
// start rebasing from this tick
state.TickBase = state.RawTickCount;
Debug.WriteLine("rebasing ticks from " + state.TickBase);
// player was just spawned, get it's ptr
state.PlayerEntInfo = state.GetEntInfoByIndex(GameState.ENT_INDEX_PLAYER);
// update map name
state.GameProcess.ReadASCIIString(state.GameOffsets.CurMapPtr, out state.CurrentMap, 64);
}
// update time and rebase it against the first signon state full tick
state.TickCount = state.RawTickCount - state.TickBase;
state.TickTime = state.TickCount * state.IntervalPerTick;
TimedTraceListener.Instance.TickCount = state.TickCount;
// update player related things
if (state.PlayerEntInfo.EntityPtr != IntPtr.Zero && state.GameSupport != null)
{
// flags
if (state.GameSupport.RequiredProperties.HasFlag(PlayerProperties.Flags))
{
state.PrevPlayerFlags = state.PlayerFlags;
game.ReadEnum32(state.PlayerEntInfo.EntityPtr + offsets.BaseEntityFlagsOffset, out state.PlayerFlags);
}
// position
if (state.GameSupport.RequiredProperties.HasFlag(PlayerProperties.Position))
{
state.PrevPlayerPosition = state.PlayerPosition;
game.ReadVector3f(state.PlayerEntInfo.EntityPtr + offsets.BaseEntityAbsOriginOffset, out state.PlayerPosition);
}
// view entity
if (state.GameSupport.RequiredProperties.HasFlag(PlayerProperties.ViewEntity))
{
const int ENT_ENTRY_MASK = 0x7FF;
state.PrevPlayerViewEntityIndex = state.PlayerViewEntityIndex;
int viewEntityHandle; // EHANDLE
game.ReadInt32(state.PlayerEntInfo.EntityPtr + offsets.BasePlayerViewEntity, out viewEntityHandle);
state.PlayerViewEntityIndex = viewEntityHandle == -1
? GameState.ENT_INDEX_PLAYER
: viewEntityHandle & ENT_ENTRY_MASK;
}
// parent entity
if (state.GameSupport.RequiredProperties.HasFlag(PlayerProperties.ParentEntity))
{
state.PrevPlayerParentEntityHandle = state.PlayerParentEntityHandle; // EHANDLE
game.ReadInt32(state.PlayerEntInfo.EntityPtr + offsets.BaseEntityParentHandleOffset, out state.PlayerParentEntityHandle);
}
// if it's the first tick, don't use stuff from the previous map
if (firstTick)
{
state.PrevPlayerFlags = state.PlayerFlags;
state.PrevPlayerPosition = state.PlayerPosition;
state.PrevPlayerViewEntityIndex = state.PlayerViewEntityIndex;
state.PrevPlayerParentEntityHandle = state.PlayerParentEntityHandle;
}
}
} // if (state.SignOnState == SignOnState.Full)
}
// TODO: log fails
bool TryGetGameProcess(out Process p, out GameOffsets offsets)
{
#if DEBUG
var sw = Stopwatch.StartNew();
#endif
string[] procs = _settings.GameProcesses.Select(x => x.ToLower().Replace(".exe", String.Empty)).ToArray();
p = Process.GetProcesses().FirstOrDefault(x => procs.Contains(x.ProcessName.ToLower()));
offsets = new GameOffsets();
if (p == null || p.HasExited || Util.IsVACProtectedProcess(p))
{
return(false);
}
// process is up, check if engine and server are both loaded yet
ProcessModule engine = p.Modules.Cast <ProcessModule>().FirstOrDefault(x => x.ModuleName.ToLower() == "engine.dll");
ProcessModule server = p.Modules.Cast <ProcessModule>().FirstOrDefault(x => x.ModuleName.ToLower() == "server.dll");
if (engine == null || server == null)
{
return(false);
}
// required engine stuff
var scanner = new SignatureScanner(p, engine.BaseAddress, engine.ModuleMemorySize);
if ((offsets.CurMapPtr = scanner.Scan(_curMapTarget)) == IntPtr.Zero ||
(offsets.CurTimePtr = scanner.Scan(_curTimeTarget)) == IntPtr.Zero ||
(offsets.GameDirPtr = scanner.Scan(_gameDirTarget)) == IntPtr.Zero ||
(offsets.HostStatePtr = scanner.Scan(_hostStateTarget)) == IntPtr.Zero)
{
return(false);
}
if ((offsets.SignOnStatePtr = scanner.Scan(_signOnStateTarget1)) == IntPtr.Zero &&
(offsets.SignOnStatePtr = scanner.Scan(_signOnStateTarget2)) == IntPtr.Zero)
{
return(false);
}
// required server stuff
var serverScanner = new SignatureScanner(p, server.BaseAddress, server.ModuleMemorySize);
if ((offsets.GlobalEntityListPtr = serverScanner.Scan(_globalEntityListTarget)) == IntPtr.Zero)
{
return(false);
}
// entity offsets
if (!GetBaseEntityMemberOffset("m_fFlags", p, serverScanner, out offsets.BaseEntityFlagsOffset) ||
!GetBaseEntityMemberOffset("m_vecAbsOrigin", p, serverScanner, out offsets.BaseEntityAbsOriginOffset) ||
!GetBaseEntityMemberOffset("m_iName", p, serverScanner, out offsets.BaseEntityTargetNameOffset) ||
!GetBaseEntityMemberOffset("m_hViewEntity", p, serverScanner, out offsets.BasePlayerViewEntity))
{
return(false);
}
// find m_pParent offset. the string "m_pParent" occurs more than once so we have to do something else
// in old engine it's right before m_iParentAttachment. in new engine it's right before m_nTransmitStateOwnedCounter
// TODO: test on all engines
int tmp;
if (!GetBaseEntityMemberOffset("m_nTransmitStateOwnedCounter", p, serverScanner, out tmp))
{
if (!GetBaseEntityMemberOffset("m_iParentAttachment", p, serverScanner, out tmp))
{
return(false);
}
tmp -= 4; // sizeof m_iParentAttachment
}
tmp -= 4; // sizeof m_nTransmitStateOwnedCounter (4 aligned byte)
offsets.BaseEntityParentHandleOffset = tmp;
Debug.WriteLine("CBaseServer::m_szMapname ptr = 0x" + offsets.CurMapPtr.ToString("X"));
Debug.WriteLine("CGlobalVarsBase::curtime ptr = 0x" + offsets.CurTimePtr.ToString("X"));
Debug.WriteLine("CBaseClientState::m_nSignonState ptr = 0x" + offsets.SignOnStatePtr.ToString("X"));
Debug.WriteLine("CBaseEntityList::(CEntInfo)m_EntPtrArray ptr = 0x" + offsets.GlobalEntityListPtr.ToString("X"));
Debug.WriteLine("CBaseEntity::m_fFlags offset = 0x" + offsets.BaseEntityFlagsOffset.ToString("X"));
Debug.WriteLine("CBaseEntity::m_vecAbsOrigin offset = 0x" + offsets.BaseEntityAbsOriginOffset.ToString("X"));
Debug.WriteLine("CBaseEntity::m_iName offset = 0x" + offsets.BaseEntityTargetNameOffset.ToString("X"));
Debug.WriteLine("CBaseEntity::m_pParent offset = 0x" + offsets.BaseEntityParentHandleOffset.ToString("X"));
Debug.WriteLine("CBasePlayer::m_hViewEntity offset = 0x" + offsets.BasePlayerViewEntity.ToString("X"));
#if DEBUG
Debug.WriteLine("TryGetGameProcess took: " + sw.Elapsed);
#endif
return(true);
}
// TODO: log fails
bool TryGetGameProcess(out Process p, out GameOffsets offsets)
{
#if DEBUG
var sw = Stopwatch.StartNew();
#endif
string[] procs = _settings.GameProcesses.Select(x => x.ToLower().Replace(".exe", String.Empty)).ToArray();
p = Process.GetProcesses().FirstOrDefault(x => procs.Contains(x.ProcessName.ToLower()));
offsets = new GameOffsets();
if (p == null || p.HasExited || Util.IsVACProtectedProcess(p))
return false;
// process is up, check if engine and server are both loaded yet
ProcessModule engine = p.Modules.Cast<ProcessModule>().FirstOrDefault(x => x.ModuleName.ToLower() == "engine.dll");
ProcessModule server = p.Modules.Cast<ProcessModule>().FirstOrDefault(x => x.ModuleName.ToLower() == "server.dll");
if (engine == null || server == null)
return false;
// required engine stuff
var scanner = new SignatureScanner(p, engine.BaseAddress, engine.ModuleMemorySize);
if ((offsets.CurMapPtr = scanner.Scan(_curMapTarget)) == IntPtr.Zero
|| (offsets.CurTimePtr = scanner.Scan(_curTimeTarget)) == IntPtr.Zero
|| (offsets.GameDirPtr = scanner.Scan(_gameDirTarget)) == IntPtr.Zero
|| (offsets.HostStatePtr = scanner.Scan(_hostStateTarget)) == IntPtr.Zero)
return false;
if ((offsets.SignOnStatePtr = scanner.Scan(_signOnStateTarget1)) == IntPtr.Zero
&& (offsets.SignOnStatePtr = scanner.Scan(_signOnStateTarget2)) == IntPtr.Zero)
return false;
// required server stuff
var serverScanner = new SignatureScanner(p, server.BaseAddress, server.ModuleMemorySize);
if ((offsets.GlobalEntityListPtr = serverScanner.Scan(_globalEntityListTarget)) == IntPtr.Zero)
return false;
// entity offsets
if ( !GetBaseEntityMemberOffset("m_fFlags", p, serverScanner, out offsets.BaseEntityFlagsOffset)
|| !GetBaseEntityMemberOffset("m_vecAbsOrigin", p, serverScanner, out offsets.BaseEntityAbsOriginOffset)
|| !GetBaseEntityMemberOffset("m_iName", p, serverScanner, out offsets.BaseEntityTargetNameOffset)
|| !GetBaseEntityMemberOffset("m_hViewEntity", p, serverScanner, out offsets.BasePlayerViewEntity))
return false;
// find m_pParent offset. the string "m_pParent" occurs more than once so we have to do something else
// in old engine it's right before m_iParentAttachment. in new engine it's right before m_nTransmitStateOwnedCounter
// TODO: test on all engines
int tmp;
if (!GetBaseEntityMemberOffset("m_nTransmitStateOwnedCounter", p, serverScanner, out tmp))
{
if (!GetBaseEntityMemberOffset("m_iParentAttachment", p, serverScanner, out tmp))
return false;
tmp -= 4; // sizeof m_iParentAttachment
}
tmp -= 4; // sizeof m_nTransmitStateOwnedCounter (4 aligned byte)
offsets.BaseEntityParentHandleOffset = tmp;
Debug.WriteLine("CBaseServer::m_szMapname ptr = 0x" + offsets.CurMapPtr.ToString("X"));
Debug.WriteLine("CGlobalVarsBase::curtime ptr = 0x" + offsets.CurTimePtr.ToString("X"));
Debug.WriteLine("CBaseClientState::m_nSignonState ptr = 0x" + offsets.SignOnStatePtr.ToString("X"));
Debug.WriteLine("CBaseEntityList::(CEntInfo)m_EntPtrArray ptr = 0x" + offsets.GlobalEntityListPtr.ToString("X"));
Debug.WriteLine("CBaseEntity::m_fFlags offset = 0x" + offsets.BaseEntityFlagsOffset.ToString("X"));
Debug.WriteLine("CBaseEntity::m_vecAbsOrigin offset = 0x" + offsets.BaseEntityAbsOriginOffset.ToString("X"));
Debug.WriteLine("CBaseEntity::m_iName offset = 0x" + offsets.BaseEntityTargetNameOffset.ToString("X"));
Debug.WriteLine("CBaseEntity::m_pParent offset = 0x" + offsets.BaseEntityParentHandleOffset.ToString("X"));
Debug.WriteLine("CBasePlayer::m_hViewEntity offset = 0x" + offsets.BasePlayerViewEntity.ToString("X"));
#if DEBUG
Debug.WriteLine("TryGetGameProcess took: " + sw.Elapsed);
#endif
return true;
}
void HandleProcess(Process game, GameOffsets offsets, CancellationTokenSource cts)
{
Debug.WriteLine("HandleProcess " + game.ProcessName);
var state = new GameState(game, offsets);
this.InitGameState(state);
var profiler = Stopwatch.StartNew();
while (!game.HasExited && !cts.IsCancellationRequested)
{
// iteration must never take longer than 1 tick
this.UpdateGameState(state);
this.CheckGameState(state);
state.UpdateCount++;
TimedTraceListener.Instance.UpdateCount = state.UpdateCount;
if (profiler.ElapsedMilliseconds >= TARGET_UPDATE_RATE)
Debug.WriteLine("**** update iteration took too long: " + profiler.ElapsedMilliseconds);
//var sleep = Stopwatch.StartNew();
//MapTimesForm.Instance.Text = profiler.Elapsed.ToString();
Thread.Sleep(Math.Max(TARGET_UPDATE_RATE - (int)profiler.ElapsedMilliseconds, 1));
//MapTimesForm.Instance.Text = sleep.Elapsed.ToString();
profiler.Restart();
}
}
public GameState(Process game, GameOffsets offsets)
{
this.GameProcess = game;
this.GameOffsets = offsets;
}
public GameState(Process game, GameOffsets offsets)
{
this.GameProcess = game;
this.GameOffsets = offsets;
}