public void Run()
{
int tickMillieconds = (int)(1000 * this._fixedTick);
var state = new FixedUpdateState
{
WaitHandle = new AutoResetEvent(initialState: false),
Diagnostics = new FixedUpdateState.DiagnosticsState
{
ExceedTickCountReportingCountdown = FixedUpdateState.DiagnosticsState.GetCountdownFromFixedTick(this._fixedTick),
ExceedTickCount = 0,
TotalTickElapsed = 0,
Stopwatch = new Stopwatch(),
}
};
// TODO: Timer is limited to system clock resolution. The max (worst) seems to be 15.625 ms which
// is maybe sufficient (64 ticks/s). See ClockRes SysInternal tool.
//
// In the future look into using Windows multi-media (winmm.dll) timers:
// https://www.codeproject.com/Articles/17474/Timer-surprises-and-how-to-avoid-them
using (var stateTimer = new Timer(
callback: Update,
state: state,
dueTime: 0,
period: tickMillieconds))
{
_logger.Info($"World started: Id={this.InstanceId:x8}, period={tickMillieconds}ms");
state.WaitHandle.WaitOne();
}
_logger.Info($"World stopped: Id={this.InstanceId:x8}");
}
public AnyState AnyState(string name, Condition switchCondition,
EnterState enter = null, UpdateState update = null,
FixedUpdateState fixedUpdate = null, ExitState exit = null
)
{
return(stateMachine.AnyState(name, switchCondition, enter, update, fixedUpdate, exit));
}
private void PostUpdateDiagnostics(FixedUpdateState state)
{
state.Diagnostics.Stopwatch.Stop();
state.Diagnostics.TotalTickElapsed += (int)state.Diagnostics.Stopwatch.ElapsedMilliseconds;
if (state.Diagnostics.Stopwatch.ElapsedMilliseconds > FixedUpdateState.DiagnosticsState.GetMsFromFixedTick(this._fixedTick))
{
state.Diagnostics.ExceedTickCount++;
state.Diagnostics.LastExceedElasped = (int)state.Diagnostics.Stopwatch.ElapsedMilliseconds;
}
if (--state.Diagnostics.ExceedTickCountReportingCountdown == 0)
{
state.Diagnostics.ExceedTickCountReportingCountdown = FixedUpdateState.DiagnosticsState.GetCountdownFromFixedTick(this._fixedTick);
if (state.Diagnostics.ExceedTickCount > 0)
{
this._logger.Error($"Fixed update exceeded tick speed: count={state.Diagnostics.ExceedTickCount}, framesCounted={state.Diagnostics.ExceedTickCountReportingCountdown}, fixedTick={FixedUpdateState.DiagnosticsState.GetMsFromFixedTick(this._fixedTick)}ms, lastExceedElapsed={state.Diagnostics.LastExceedElasped}ms, avgElapsed={state.Diagnostics.TotalTickElapsed / state.Diagnostics.ExceedTickCountReportingCountdown}ms");
state.Diagnostics.ExceedTickCount = 0;
}
state.Diagnostics.TotalTickElapsed = 0;
}
}
// -- //
public State(StateMachine stateMachine, string name, EnterState enter, UpdateState update, FixedUpdateState fixedUpdate, ExitState exit)
{
this.stateMachine = stateMachine;
this.name = name;
this.enter = enter;
this.update = update;
this.fixedUpdate = fixedUpdate;
this.exit = exit;
}
// -- //
public State AddState(string name, EnterState enter = null,
UpdateState update = null, FixedUpdateState fixedUpdate = null,
ExitState exit = null
)
{
State newState = new State(this, name, enter, update, fixedUpdate, exit);
if (currentState == null)
{
currentState = newState;
}
states.Add(name, newState);
return(newState);
}
public State To(string name, Condition switchCondition,
EnterState enter = null, UpdateState update = null,
FixedUpdateState fixedUpdate = null, ExitState exit = null
)
{
State stateToAdd = stateMachine.GetState(name);
if (stateToAdd == null)
{
stateToAdd = stateMachine.AddState(name, enter, update, fixedUpdate, exit);
}
StateOutput output = new StateOutput();
output.condition = switchCondition;
output.toState = stateToAdd;
outputStates.Add(output);
return(output.toState);
}
public AnyState AnyState(string name, Condition switchCondition,
EnterState enter = null, UpdateState update = null,
FixedUpdateState fixedUpdate = null, ExitState exit = null
)
{
AnyState stateToAdd = GetState(name) as AnyState;
if (stateToAdd == null)
{
stateToAdd = new AnyState(this, name, enter, update, fixedUpdate, exit);
}
StateOutput output = new StateOutput();
output.condition = switchCondition;
output.toState = stateToAdd;
anyStates.Add(output);
states.Add(name, stateToAdd);
return(stateToAdd);
}
// -- //
public AnyState(StateMachine stateMachine, string name, EnterState enter, UpdateState update, FixedUpdateState fixedUpdate, ExitState exit)
: base(stateMachine, name, enter, update, fixedUpdate, exit)
{
}
private static void PreUpdateDiagnostics(FixedUpdateState state)
{
state.Diagnostics.Stopwatch.Restart();
}
