/// <summary>Updates the sound component. Should be called every frame.</summary>
/// <param name="timeElapsed">The time in seconds that elapsed since the last call to this function.</param>
protected override void UpdateInverseModel(double timeElapsed)
{
/*
* Set up the listener.
* */
Vector3 listenerPosition = Camera.AbsolutePosition;
Orientation3 listenerOrientation = new Orientation3(Camera.AbsoluteSide, Camera.AbsoluteUp, Camera.AbsoluteDirection);
Vector3 listenerVelocity;
if (Camera.CurrentMode == CameraViewMode.Interior | Camera.CurrentMode == CameraViewMode.InteriorLookAhead | Camera.CurrentMode == CameraViewMode.Exterior)
{
TrainManager.Car car = TrainManager.PlayerTrain.Cars[TrainManager.PlayerTrain.DriverCar];
Vector3 diff = car.FrontAxle.Follower.WorldPosition - car.RearAxle.Follower.WorldPosition;
if (diff.IsNullVector())
{
listenerVelocity = car.CurrentSpeed * Vector3.Forward;
}
else
{
listenerVelocity = car.CurrentSpeed * Vector3.Normalize(diff);
}
}
else
{
listenerVelocity = Vector3.Zero;
}
AL.Listener(ALListener3f.Position, 0.0f, 0.0f, 0.0f);
AL.Listener(ALListener3f.Velocity, (float)listenerVelocity.X, (float)listenerVelocity.Y, (float)listenerVelocity.Z);
var Orientation = new float[] { (float)listenerOrientation.Z.X, (float)listenerOrientation.Z.Y, (float)listenerOrientation.Z.Z, -(float)listenerOrientation.Y.X, -(float)listenerOrientation.Y.Y, -(float)listenerOrientation.Y.Z };
AL.Listener(ALListenerfv.Orientation, ref Orientation);
/*
* Set up the atmospheric attributes.
* */
double elevation = Camera.AbsolutePosition.Y + CurrentRoute.InitialElevation;
double airTemperature = Atmosphere.GetAirTemperature(elevation);
double airPressure = Atmosphere.GetAirPressure(elevation, airTemperature);
double speedOfSound = Atmosphere.GetSpeedOfSound(airPressure, airTemperature);
try {
AL.SpeedOfSound((float)speedOfSound);
} catch { }
/*
* Collect all sounds that are to be played
* and ensure that all others are stopped.
* */
List <SoundSourceAttenuation> toBePlayed = new List <SoundSourceAttenuation>();
for (int i = 0; i < SourceCount; i++)
{
if (Sources[i].State == SoundSourceState.StopPending)
{
/*
* The sound is still playing but is to be stopped.
* Stop the sound, then remove it from the list of
* sound sources.
* */
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
else if (Sources[i].State == SoundSourceState.Stopped)
{
/*
* The sound was already stopped. Remove it from
* the list of sound sources.
* */
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
else if (GlobalMute)
{
/*
* The sound is playing or about to be played, but
* the global mute option is enabled. Stop the sound
* sound if necessary, then remove it from the list
* of sound sources if the sound is not looping.
* */
if (Sources[i].State == SoundSourceState.Playing)
{
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.PlayPending;
Sources[i].OpenAlSourceName = 0;
}
if (!Sources[i].Looped)
{
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
}
else
{
/*
* The sound is to be played or is already playing.
* */
if (Sources[i].State == SoundSourceState.Playing)
{
int state;
AL.GetSource(Sources[i].OpenAlSourceName, ALGetSourcei.SourceState, out state);
if (state != (int)ALSourceState.Initial & state != (int)ALSourceState.Playing)
{
/*
* The sound is not playing any longer.
* Remove it from the list of sound sources.
* */
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
continue;
}
}
/*
* Calculate the gain, then add the sound
* to the list of sounds to be played.
* */
Vector3 position;
switch (Sources[i].Type)
{
case SoundType.TrainCar:
Vector3 direction;
var Car = (AbstractCar)Sources[i].Parent;
Car.CreateWorldCoordinates(Sources[i].Position, out position, out direction);
break;
default:
position = Sources[i].Position;
break;
}
Vector3 positionDifference = position - listenerPosition;
double distance = positionDifference.Norm();
double radius = Sources[i].Radius;
if (Camera.CurrentMode == CameraViewMode.Interior | Camera.CurrentMode == CameraViewMode.InteriorLookAhead)
{
if (Sources[i].Parent != TrainManager.PlayerTrain.Cars[TrainManager.PlayerTrain.DriverCar])
{
radius *= 0.5;
}
}
double gain;
if (distance < 2.0 * radius)
{
gain = 1.0 - distance * distance * (4.0 * radius - distance) / (16.0 * radius * radius * radius);
}
else
{
gain = radius / distance;
}
gain *= Sources[i].Volume;
if (gain <= 0.0)
{
/*
* The gain is too low. Stop the sound if playing,
* but keep looping sounds pending.
* */
if (Sources[i].State == SoundSourceState.Playing)
{
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.PlayPending;
Sources[i].OpenAlSourceName = 0;
}
if (!Sources[i].Looped)
{
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
}
else
{
/*
* Add the source.
* */
toBePlayed.Add(new SoundSourceAttenuation(Sources[i], gain, distance));
}
}
}
/*
* Now that we have the list of sounds that are to be played,
* sort them by their gain so that we can determine and
* adjust the clamp factor.
* */
double clampFactor = Math.Exp(LogClampFactor);
for (int i = 0; i < toBePlayed.Count; i++)
{
toBePlayed[i].Gain -= clampFactor * toBePlayed[i].Distance * toBePlayed[i].Distance;
}
toBePlayed.Sort();
for (int i = 0; i < toBePlayed.Count; i++)
{
toBePlayed[i].Gain += clampFactor * toBePlayed[i].Distance * toBePlayed[i].Distance;
}
double desiredLogClampFactor;
int index = Interface.CurrentOptions.SoundNumber;
if (toBePlayed.Count <= index)
{
desiredLogClampFactor = MinLogClampFactor;
}
else
{
double cutoffDistance = toBePlayed[index].Distance;
if (cutoffDistance <= 0.0)
{
desiredLogClampFactor = MaxLogClampFactor;
}
else
{
double cutoffGain = toBePlayed[index].Gain;
desiredLogClampFactor = Math.Log(cutoffGain / (cutoffDistance * cutoffDistance));
if (desiredLogClampFactor < MinLogClampFactor)
{
desiredLogClampFactor = MinLogClampFactor;
}
else if (desiredLogClampFactor > MaxLogClampFactor)
{
desiredLogClampFactor = MaxLogClampFactor;
}
}
}
const double rate = 3.0;
if (LogClampFactor < desiredLogClampFactor)
{
LogClampFactor += timeElapsed * rate;
if (LogClampFactor > desiredLogClampFactor)
{
LogClampFactor = desiredLogClampFactor;
}
}
else if (LogClampFactor > desiredLogClampFactor)
{
LogClampFactor -= timeElapsed * rate;
if (LogClampFactor < desiredLogClampFactor)
{
LogClampFactor = desiredLogClampFactor;
}
}
/*
* Play the sounds.
* */
clampFactor = Math.Exp(LogClampFactor);
for (int i = index; i < toBePlayed.Count; i++)
{
toBePlayed[i].Gain = 0.0;
}
for (int i = 0; i < toBePlayed.Count; i++)
{
SoundSource source = toBePlayed[i].Source;
double gain = toBePlayed[i].Gain - clampFactor * toBePlayed[i].Distance * toBePlayed[i].Distance;
if (gain <= 0.0)
{
/*
* Stop the sound.
* */
if (source.State == SoundSourceState.Playing)
{
AL.DeleteSources(1, ref source.OpenAlSourceName);
source.State = SoundSourceState.PlayPending;
source.OpenAlSourceName = 0;
}
if (!source.Looped)
{
source.State = SoundSourceState.Stopped;
source.OpenAlSourceName = 0;
}
}
else
{
/*
* Ensure the buffer is loaded, then play the sound.
* */
if (source.State != SoundSourceState.Playing)
{
LoadBuffer(source.Buffer);
if (source.Buffer.Loaded)
{
AL.GenSources(1, out source.OpenAlSourceName);
AL.Source(source.OpenAlSourceName, ALSourcei.Buffer, source.Buffer.OpenAlBufferName);
}
else
{
/*
* We cannot play the sound because
* the buffer could not be loaded.
* */
source.State = SoundSourceState.Stopped;
continue;
}
}
Vector3 position;
Vector3 velocity;
switch (source.Type)
{
case SoundType.TrainCar:
Vector3 direction;
var Car = (AbstractCar)Sources[i].Parent;
Car.CreateWorldCoordinates(source.Position, out position, out direction);
velocity = Car.CurrentSpeed * direction;
break;
default:
position = source.Position;
velocity = Vector3.Zero;
break;
}
position -= listenerPosition;
AL.Source(source.OpenAlSourceName, ALSource3f.Position, (float)position.X, (float)position.Y, (float)position.Z);
AL.Source(source.OpenAlSourceName, ALSource3f.Velocity, (float)velocity.X, (float)velocity.Y, (float)velocity.Z);
AL.Source(source.OpenAlSourceName, ALSourcef.Pitch, (float)source.Pitch);
AL.Source(source.OpenAlSourceName, ALSourcef.Gain, (float)gain);
if (source.State != SoundSourceState.Playing)
{
AL.Source(source.OpenAlSourceName, ALSourceb.Looping, source.Looped);
AL.SourcePlay(source.OpenAlSourceName);
source.State = SoundSourceState.Playing;
}
}
}
}
/// <summary>Renders the debug (F10) overlay</summary>
private static void RenderDebugOverlays()
{
System.Globalization.CultureInfo Culture = System.Globalization.CultureInfo.InvariantCulture;
// debug
GL.Color4(0.5, 0.5, 0.5, 0.5);
LibRender.Renderer.RenderOverlaySolid(0.0f, 0.0f, (double)LibRender.Screen.Width, (double)LibRender.Screen.Height);
// actual handles
{
string t = "actual: " + (TrainManager.PlayerTrain.Handles.Reverser.Actual == TrainManager.ReverserPosition.Reverse ? "B" : TrainManager.PlayerTrain.Handles.Reverser.Actual == TrainManager.ReverserPosition.Forwards ? "F" : "N");
if (TrainManager.PlayerTrain.Handles.SingleHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Actual ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Actual != 0 ? "B" + TrainManager.PlayerTrain.Handles.Brake.Actual.ToString(Culture) : TrainManager.PlayerTrain.Handles.HoldBrake.Actual ? "HLD" : TrainManager.PlayerTrain.Handles.Power.Actual != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Actual.ToString(Culture) : "N");
}
else if (TrainManager.PlayerTrain.Handles.Brake is TrainManager.AirBrakeHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.Power.Actual != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Actual.ToString(Culture) : "N");
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Actual ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Actual == (int)TrainManager.AirBrakeHandleState.Service ? "SRV" : TrainManager.PlayerTrain.Handles.Brake.Actual == (int)TrainManager.AirBrakeHandleState.Lap ? "LAP" : "REL");
}
else
{
t += " - " + (TrainManager.PlayerTrain.Handles.Power.Actual != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Actual.ToString(Culture) : "N");
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Actual ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Actual != 0 ? "B" + TrainManager.PlayerTrain.Handles.Brake.Actual.ToString(Culture) : TrainManager.PlayerTrain.Handles.HoldBrake.Actual ? "HLD" : "N");
}
if (TrainManager.PlayerTrain.Handles.HasLocoBrake)
{
if (TrainManager.PlayerTrain.Handles.LocoBrake is TrainManager.LocoAirBrakeHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.LocoBrake.Actual == (int)TrainManager.AirBrakeHandleState.Service ? "SRV" : TrainManager.PlayerTrain.Handles.LocoBrake.Actual == (int)TrainManager.AirBrakeHandleState.Lap ? "LAP" : "REL");
}
else
{
t += " - " + (TrainManager.PlayerTrain.Handles.LocoBrake.Actual != 0 ? "L" + TrainManager.PlayerTrain.Handles.LocoBrake.Actual.ToString(Culture) : "N");
}
}
LibRender.Renderer.DrawString(Fonts.SmallFont, t, new System.Drawing.Point(2, LibRender.Screen.Height - 46), TextAlignment.TopLeft, Color128.White, true);
}
// safety handles
{
string t = "safety: " + (TrainManager.PlayerTrain.Handles.Reverser.Actual == TrainManager.ReverserPosition.Reverse ? "B" : TrainManager.PlayerTrain.Handles.Reverser.Actual == TrainManager.ReverserPosition.Forwards ? "F" : "N");
if (TrainManager.PlayerTrain.Handles.SingleHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Safety ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Safety != 0 ? "B" + TrainManager.PlayerTrain.Handles.Brake.Safety.ToString(Culture) : TrainManager.PlayerTrain.Handles.HoldBrake.Actual ? "HLD" : TrainManager.PlayerTrain.Handles.Power.Safety != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Safety.ToString(Culture) : "N");
}
else if (TrainManager.PlayerTrain.Handles.Brake is TrainManager.AirBrakeHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.Power.Safety != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Safety.ToString(Culture) : "N");
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Safety ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Safety == (int)TrainManager.AirBrakeHandleState.Service ? "SRV" : TrainManager.PlayerTrain.Handles.Brake.Safety == (int)TrainManager.AirBrakeHandleState.Lap ? "LAP" : "REL");
}
else
{
t += " - " + (TrainManager.PlayerTrain.Handles.Power.Safety != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Safety.ToString(Culture) : "N");
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Safety ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Safety != 0 ? "B" + TrainManager.PlayerTrain.Handles.Brake.Safety.ToString(Culture) : TrainManager.PlayerTrain.Handles.HoldBrake.Actual ? "HLD" : "N");
}
if (TrainManager.PlayerTrain.Handles.HasLocoBrake)
{
if (TrainManager.PlayerTrain.Handles.LocoBrake is TrainManager.LocoAirBrakeHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.LocoBrake.Actual == (int)TrainManager.AirBrakeHandleState.Service ? "SRV" : TrainManager.PlayerTrain.Handles.LocoBrake.Actual == (int)TrainManager.AirBrakeHandleState.Lap ? "LAP" : "REL");
}
else
{
t += " - " + (TrainManager.PlayerTrain.Handles.LocoBrake.Actual != 0 ? "L" + TrainManager.PlayerTrain.Handles.LocoBrake.Actual.ToString(Culture) : "N");
}
}
LibRender.Renderer.DrawString(Fonts.SmallFont, t, new System.Drawing.Point(2, LibRender.Screen.Height - 32), TextAlignment.TopLeft, Color128.White, true);
}
// driver handles
{
string t = "driver: " + (TrainManager.PlayerTrain.Handles.Reverser.Driver == TrainManager.ReverserPosition.Reverse ? "B" : TrainManager.PlayerTrain.Handles.Reverser.Driver == TrainManager.ReverserPosition.Forwards ? "F" : "N");
if (TrainManager.PlayerTrain.Handles.SingleHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Driver ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Driver != 0 ? "B" + TrainManager.PlayerTrain.Handles.Brake.Driver.ToString(Culture) : TrainManager.PlayerTrain.Handles.HoldBrake.Driver ? "HLD" : TrainManager.PlayerTrain.Handles.Power.Driver != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Driver.ToString(Culture) : "N");
}
else if (TrainManager.PlayerTrain.Handles.Brake is TrainManager.AirBrakeHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.Power.Driver != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Driver.ToString(Culture) : "N");
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Driver ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Driver == (int)TrainManager.AirBrakeHandleState.Service ? "SRV" : TrainManager.PlayerTrain.Handles.Brake.Driver == (int)TrainManager.AirBrakeHandleState.Lap ? "LAP" : "REL");
}
else
{
t += " - " + (TrainManager.PlayerTrain.Handles.Power.Driver != 0 ? "P" + TrainManager.PlayerTrain.Handles.Power.Driver.ToString(Culture) : "N");
t += " - " + (TrainManager.PlayerTrain.Handles.EmergencyBrake.Driver ? "EMG" : TrainManager.PlayerTrain.Handles.Brake.Driver != 0 ? "B" + TrainManager.PlayerTrain.Handles.Brake.Driver.ToString(Culture) : TrainManager.PlayerTrain.Handles.HoldBrake.Driver ? "HLD" : "N");
}
if (TrainManager.PlayerTrain.Handles.HasLocoBrake)
{
if (TrainManager.PlayerTrain.Handles.LocoBrake is TrainManager.LocoAirBrakeHandle)
{
t += " - " + (TrainManager.PlayerTrain.Handles.LocoBrake.Actual == (int)TrainManager.AirBrakeHandleState.Service ? "SRV" : TrainManager.PlayerTrain.Handles.LocoBrake.Actual == (int)TrainManager.AirBrakeHandleState.Lap ? "LAP" : "REL");
}
else
{
t += " - " + (TrainManager.PlayerTrain.Handles.LocoBrake.Actual != 0 ? "L" + TrainManager.PlayerTrain.Handles.LocoBrake.Actual.ToString(Culture) : "N");
}
}
LibRender.Renderer.DrawString(Fonts.SmallFont, t, new System.Drawing.Point(2, LibRender.Screen.Height - 18), TextAlignment.TopLeft, Color128.White, true);
}
// debug information
int texturesLoaded = TextureManager.GetNumberOfLoadedTextures();
int texturesRegistered = TextureManager.GetNumberOfRegisteredTextures();
int soundBuffersRegistered = Program.Sounds.GetNumberOfRegisteredBuffers();
int soundBuffersLoaded = Program.Sounds.GetNumberOfLoadedBuffers();
int soundSourcesRegistered = Program.Sounds.GetNumberOfRegisteredSources();
int soundSourcesPlaying = Program.Sounds.GetNumberOfPlayingSources();
int car = 0;
for (int i = 0; i < TrainManager.PlayerTrain.Cars.Length; i++)
{
if (TrainManager.PlayerTrain.Cars[i].Specs.IsMotorCar)
{
car = i;
break;
}
}
double mass = 0.0;
for (int i = 0; i < TrainManager.PlayerTrain.Cars.Length; i++)
{
mass += TrainManager.PlayerTrain.Cars[i].Specs.MassCurrent;
}
int hours = (int)Game.SecondsSinceMidnight / 3600,
remainder = (int)Game.SecondsSinceMidnight % 3600,
minutes = remainder / 60,
seconds = remainder % 60;
string[] Lines = new string[] {
"=system",
"fps: " + LibRender.Renderer.FrameRate.ToString("0.0", Culture) + (MainLoop.LimitFramerate ? " (low cpu)" : ""),
"time:" + hours.ToString("00") + ":" + minutes.ToString("00") + ":" + seconds.ToString("00"),
"score: " + Game.CurrentScore.CurrentValue.ToString(Culture),
"",
"=train",
"speed: " + (Math.Abs(TrainManager.PlayerTrain.CurrentSpeed) * 3.6).ToString("0.00", Culture) + " km/h",
"power (car " + car.ToString(Culture) + "): " + (TrainManager.PlayerTrain.Cars[car].Specs.CurrentAccelerationOutput < 0.0 ? TrainManager.PlayerTrain.Cars[car].Specs.CurrentAccelerationOutput * (double)Math.Sign(TrainManager.PlayerTrain.Cars[car].CurrentSpeed) : TrainManager.PlayerTrain.Cars[car].Specs.CurrentAccelerationOutput * (double)TrainManager.PlayerTrain.Handles.Reverser.Actual).ToString("0.0000", Culture) + " m/s²",
"acceleration: " + TrainManager.PlayerTrain.Specs.CurrentAverageAcceleration.ToString("0.0000", Culture) + " m/s²",
"position: " + TrainManager.PlayerTrain.FrontCarTrackPosition().ToString("0.00", Culture) + " m",
"elevation: " + (CurrentRoute.InitialElevation + TrainManager.PlayerTrain.Cars[TrainManager.PlayerTrain.DriverCar].FrontAxle.Follower.WorldPosition.Y).ToString("0.00", Culture) + " m",
"temperature: " + (TrainManager.PlayerTrain.Specs.CurrentAirTemperature - 273.15).ToString("0.00", Culture) + " °C",
"air pressure: " + (0.001 * TrainManager.PlayerTrain.Specs.CurrentAirPressure).ToString("0.00", Culture) + " kPa",
"air density: " + TrainManager.PlayerTrain.Specs.CurrentAirDensity.ToString("0.0000", Culture) + " kg/m³",
"speed of sound: " + (Atmosphere.GetSpeedOfSound(TrainManager.PlayerTrain.Specs.CurrentAirDensity) * 3.6).ToString("0.00", Culture) + " km/h",
"passenger ratio: " + TrainManager.PlayerTrain.Passengers.PassengerRatio.ToString("0.00"),
"total mass: " + mass.ToString("0.00", Culture) + " kg",
"",
"=route",
"track limit: " + (TrainManager.PlayerTrain.CurrentRouteLimit == double.PositiveInfinity ? "unlimited" : ((TrainManager.PlayerTrain.CurrentRouteLimit * 3.6).ToString("0.0", Culture) + " km/h")),
"signal limit: " + (TrainManager.PlayerTrain.CurrentSectionLimit == double.PositiveInfinity ? "unlimited" : ((TrainManager.PlayerTrain.CurrentSectionLimit * 3.6).ToString("0.0", Culture) + " km/h")),
"total static objects: " + ObjectManager.ObjectsUsed.ToString(Culture),
"total static GL_TRIANGLES: " + LibRender.Renderer.InfoTotalTriangles.ToString(Culture),
"total static GL_TRIANGLE_STRIP: " + LibRender.Renderer.InfoTotalTriangleStrip.ToString(Culture),
"total static GL_QUADS: " + LibRender.Renderer.InfoTotalQuads.ToString(Culture),
"total static GL_QUAD_STRIP: " + LibRender.Renderer.InfoTotalQuadStrip.ToString(Culture),
"total static GL_POLYGON: " + LibRender.Renderer.InfoTotalPolygon.ToString(Culture),
"total animated objects: " + ObjectManager.AnimatedWorldObjectsUsed.ToString(Culture),
"",
"=renderer",
"static opaque faces: " + LibRender.Renderer.InfoStaticOpaqueFaceCount.ToString(Culture),
"dynamic opaque faces: " + DynamicOpaque.FaceCount.ToString(Culture),
"dynamic alpha faces: " + DynamicAlpha.FaceCount.ToString(Culture),
"overlay opaque faces: " + OverlayOpaque.FaceCount.ToString(Culture),
"overlay alpha faces: " + OverlayAlpha.FaceCount.ToString(Culture),
"textures loaded: " + texturesLoaded.ToString(Culture) + " / " + texturesRegistered.ToString(Culture),
"",
"=camera",
"position: " + World.CameraTrackFollower.TrackPosition.ToString("0.00", Culture) + " m",
"curve radius: " + World.CameraTrackFollower.CurveRadius.ToString("0.00", Culture) + " m",
"curve cant: " + (1000.0 * Math.Abs(World.CameraTrackFollower.CurveCant)).ToString("0.00", Culture) + " mm" + (World.CameraTrackFollower.CurveCant <0.0 ? " (left)" : World.CameraTrackFollower.CurveCant> 0.0 ? " (right)" : ""),
"pitch: " + World.CameraTrackFollower.Pitch.ToString("0.00", Culture),
"",
"=sound",
"sound buffers: " + soundBuffersLoaded.ToString(Culture) + " / " + soundBuffersRegistered.ToString(Culture),
"sound sources: " + soundSourcesPlaying.ToString(Culture) + " / " + soundSourcesRegistered.ToString(Culture),
(Interface.CurrentOptions.SoundModel == SoundModels.Inverse ? "log clamp factor: " + Program.Sounds.LogClampFactor.ToString("0.00") : "outer radius factor: " + Program.Sounds.OuterRadiusFactor.ToString("0.00", Culture)),
"",
"=debug",
"train plugin status: " + (TrainManager.PlayerTrain.Plugin != null ? (TrainManager.PlayerTrain.Plugin.PluginValid ? "ok" : "error") : "n/a"),
"train plugin message: " + (TrainManager.PlayerTrain.Plugin != null ? (TrainManager.PlayerTrain.Plugin.PluginMessage ?? "n/a") : "n/a"),
Game.InfoDebugString ?? ""
};
double x = 4.0;
double y = 4.0;
for (int i = 0; i < Lines.Length; i++)
{
if (Lines[i].Length != 0)
{
if (Lines[i][0] == '=')
{
string text = Lines[i].Substring(1);
System.Drawing.Size size = Fonts.SmallFont.MeasureString(text);
GL.Color4(0.35f, 0.65f, 0.90f, 0.8f);
LibRender.Renderer.RenderOverlaySolid(x, y, x + size.Width + 6.0f, y + size.Height + 2.0f);
LibRender.Renderer.DrawString(Fonts.SmallFont, text, new System.Drawing.Point((int)x + 3, (int)y), TextAlignment.TopLeft, Color128.White);
}
else
{
LibRender.Renderer.DrawString(Fonts.SmallFont, Lines[i], new System.Drawing.Point((int)x, (int)y), TextAlignment.TopLeft, Color128.White, true);
}
y += 14.0;
}
else if (y >= (double)LibRender.Screen.Height - 240.0)
{
x += 280.0;
y = 4.0;
}
else
{
y += 14.0;
}
}
}
/// <summary>Updates the sound component. Should be called every frame.</summary>
/// <param name="timeElapsed">The time in seconds that elapsed since the last call to this function.</param>
protected override void UpdateLinearModel(double timeElapsed)
{
/*
* Set up the listener
* */
Vector3 listenerPosition = Camera.AbsolutePosition;
Orientation3 listenerOrientation = new Orientation3(Camera.AbsoluteSide, Camera.AbsoluteUp, Camera.AbsoluteDirection);
Vector3 listenerVelocity;
if (Camera.CurrentMode == CameraViewMode.Interior | Camera.CurrentMode == CameraViewMode.InteriorLookAhead | Camera.CurrentMode == CameraViewMode.Exterior)
{
TrainManager.Car car = TrainManager.PlayerTrain.Cars[TrainManager.PlayerTrain.DriverCar];
Vector3 diff = car.FrontAxle.Follower.WorldPosition - car.RearAxle.Follower.WorldPosition;
listenerVelocity = car.CurrentSpeed * Vector3.Normalize(diff) + Camera.AlignmentSpeed.Position;
}
else
{
listenerVelocity = Camera.AlignmentSpeed.Position;
}
AL.Listener(ALListener3f.Position, 0.0f, 0.0f, 0.0f);
AL.Listener(ALListener3f.Velocity, (float)listenerVelocity.X, (float)listenerVelocity.Y, (float)listenerVelocity.Z);
var Orientation = new[] { (float)listenerOrientation.Z.X, (float)listenerOrientation.Z.Y, (float)listenerOrientation.Z.Z, -(float)listenerOrientation.Y.X, -(float)listenerOrientation.Y.Y, -(float)listenerOrientation.Y.Z };
AL.Listener(ALListenerfv.Orientation, ref Orientation);
/*
* Set up the atmospheric attributes
* */
double elevation = Camera.AbsolutePosition.Y + CurrentRoute.InitialElevation;
double airTemperature = Atmosphere.GetAirTemperature(elevation);
double airPressure = Atmosphere.GetAirPressure(elevation, airTemperature);
double speedOfSound = Atmosphere.GetSpeedOfSound(airPressure, airTemperature);
try {
AL.SpeedOfSound((float)speedOfSound);
} catch { }
/*
* Update the sound sources
* */
int actuallyPlaying = 0;
for (int i = 0; i < SourceCount; i++)
{
if (Sources[i].State == SoundSourceState.StopPending)
{
/*
* The sound is still playing but is to be stopped.
* Stop the sound, then remove it from the list of
* sound sources.
* */
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
else if (Sources[i].State == SoundSourceState.Stopped)
{
/*
* The sound was already stopped. Remove it from
* the list of sound sources.
* */
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
else if (GlobalMute)
{
/*
* The sound is playing or about to be played, but
* the global mute option is enabled. Stop the sound
* sound if necessary, then remove it from the list
* of sound sources if the sound is not looping.
* */
if (Sources[i].State == SoundSourceState.Playing)
{
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.PlayPending;
Sources[i].OpenAlSourceName = 0;
}
if (!Sources[i].Looped)
{
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
}
else
{
/*
* The sound is to be played or is already playing.
* Calculate the sound gain.
* */
Vector3 direction;
Vector3 position;
Vector3 velocity;
switch (Sources[i].Type)
{
case SoundType.TrainCar:
var Car = (AbstractCar)Sources[i].Parent;
Car.CreateWorldCoordinates(Sources[i].Position, out position, out direction);
velocity = Car.CurrentSpeed * direction;
break;
default:
position = Sources[i].Position;
velocity = Vector3.Zero;
break;
}
Vector3 positionDifference = position - listenerPosition;
double gain;
if (GlobalMute)
{
gain = 0.0;
}
else
{
double distance = positionDifference.Norm();
double innerRadius = Sources[i].Radius;
if (Camera.CurrentMode == CameraViewMode.Interior | Camera.CurrentMode == CameraViewMode.InteriorLookAhead)
{
if (Sources[i].Parent != TrainManager.PlayerTrain.Cars[TrainManager.PlayerTrain.DriverCar])
{
innerRadius *= 0.5;
}
}
double outerRadius = OuterRadiusFactor * innerRadius;
if (distance < outerRadius)
{
if (distance <= innerRadius)
{
gain = Sources[i].Volume;
}
else
{
gain = (distance - outerRadius) / (innerRadius - outerRadius);
gain *= Sources[i].Volume;
}
gain = 3.0 * gain * gain - 2.0 * gain * gain * gain;
}
else
{
gain = 0.0;
}
}
if (gain <= GainThreshold)
{
/*
* If the gain is too low to be audible, stop the sound.
* If the sound is not looping, stop it if necessary,
* then remove it from the list of sound sources.
* */
if (Sources[i].State == SoundSourceState.Playing)
{
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.PlayPending;
Sources[i].OpenAlSourceName = 0;
}
if (!Sources[i].Looped)
{
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
}
else
{
/*
* Play the sound and update position, velocity, pitch and gain.
* For non-looping sounds, check if the sound is still playing.
* */
gain = (gain - GainThreshold) / (1.0 - GainThreshold);
if (Sources[i].State != SoundSourceState.Playing)
{
LoadBuffer(Sources[i].Buffer);
if (Sources[i].Buffer.Loaded)
{
AL.GenSources(1, out Sources[i].OpenAlSourceName);
AL.Source(Sources[i].OpenAlSourceName, ALSourcei.Buffer, Sources[i].Buffer.OpenAlBufferName);
}
else
{
/*
* We cannot play the sound because
* the buffer could not be loaded.
* */
Sources[i].State = SoundSourceState.Stopped;
continue;
}
}
AL.Source(Sources[i].OpenAlSourceName, ALSource3f.Position, (float)positionDifference.X, (float)positionDifference.Y, (float)positionDifference.Z);
AL.Source(Sources[i].OpenAlSourceName, ALSource3f.Velocity, (float)velocity.X, (float)velocity.Y, (float)velocity.Z);
AL.Source(Sources[i].OpenAlSourceName, ALSourcef.Pitch, (float)Sources[i].Pitch);
AL.Source(Sources[i].OpenAlSourceName, ALSourcef.Gain, (float)gain);
if (Sources[i].State != SoundSourceState.Playing)
{
AL.Source(Sources[i].OpenAlSourceName, ALSourceb.Looping, Sources[i].Looped);
AL.SourcePlay(Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.Playing;
}
if (!Sources[i].Looped)
{
int state;
AL.GetSource(Sources[i].OpenAlSourceName, ALGetSourcei.SourceState, out state);
if (state != (int)ALSourceState.Initial & state != (int)ALSourceState.Playing)
{
/*
* The sound is not playing any longer.
* Remove it from the list of sound sources.
* */
AL.DeleteSources(1, ref Sources[i].OpenAlSourceName);
Sources[i].State = SoundSourceState.Stopped;
Sources[i].OpenAlSourceName = 0;
Sources[i] = Sources[SourceCount - 1];
SourceCount--;
i--;
}
else
{
actuallyPlaying++;
}
}
else
{
actuallyPlaying++;
}
}
}
}
/*
* Adjust the outer radius factor / the clamp factor.
* */
if (actuallyPlaying >= Interface.CurrentOptions.SoundNumber - 2)
{
/*
* Too many sounds are playing.
* Reduce the outer radius factor.
* */
OuterRadiusFactorSpeed -= timeElapsed;
if (OuterRadiusFactorSpeed < -OuterRadiusFactorMaximumSpeed)
{
OuterRadiusFactorSpeed = -OuterRadiusFactorMaximumSpeed;
}
}
else if (actuallyPlaying <= Interface.CurrentOptions.SoundNumber - 6)
{
/*
* Only few sounds are playing.
* Increase the outer radius factor.
* */
OuterRadiusFactorSpeed += timeElapsed;
if (OuterRadiusFactorSpeed > OuterRadiusFactorMaximumSpeed)
{
OuterRadiusFactorSpeed = OuterRadiusFactorMaximumSpeed;
}
}
else
{
/*
* Neither too many nor too few sounds are playing.
* Stabilize the outer radius factor.
* */
if (OuterRadiusFactorSpeed < 0.0)
{
OuterRadiusFactorSpeed += timeElapsed;
if (OuterRadiusFactorSpeed > 0.0)
{
OuterRadiusFactorSpeed = 0.0;
}
}
else
{
OuterRadiusFactorSpeed -= timeElapsed;
if (OuterRadiusFactorSpeed < 0.0)
{
OuterRadiusFactorSpeed = 0.0;
}
}
}
OuterRadiusFactor += OuterRadiusFactorSpeed * timeElapsed;
if (OuterRadiusFactor < OuterRadiusFactorMinimum)
{
OuterRadiusFactor = OuterRadiusFactorMinimum;
OuterRadiusFactorSpeed = 0.0;
}
else if (OuterRadiusFactor > OuterRadiusFactorMaximum)
{
OuterRadiusFactor = OuterRadiusFactorMaximum;
OuterRadiusFactorSpeed = 0.0;
}
}
