public static int GetWheelsOutsideRoadVerge(DrivableVehicle car)
{
var leftVerge1 = car.CurrentNode.GetLeftVerge();
var leftVerge2 = car.CurrentNode.Next.GetLeftVerge();
var rightVerge1 = car.CurrentNode.GetRightVerge();
var rightVerge2 = car.CurrentNode.Next.GetRightVerge();
int wheelsOutsideVerge = 0;
for (int wheelNumber = 0; wheelNumber < 4; wheelNumber++)
{
VehicleWheel wheel = car.Wheels[wheelNumber];
if (Utility.IsLeftOfLine(leftVerge2, leftVerge1, wheel.WorldPosition))
{
wheelsOutsideVerge++;
}
else if (!Utility.IsLeftOfLine(rightVerge2, rightVerge1, wheel.WorldPosition))
{
wheelsOutsideVerge++;
}
}
return(wheelsOutsideVerge);
}
public static int GetWheelsOutsideRoadVerge(DrivableVehicle car)
{
var leftVerge1 = car.CurrentNode.GetLeftVerge();
var leftVerge2 = car.CurrentNode.Next.GetLeftVerge();
var rightVerge1 = car.CurrentNode.GetRightVerge();
var rightVerge2 = car.CurrentNode.Next.GetRightVerge();
int wheelsOutsideVerge = 0;
for (int wheelNumber = 0; wheelNumber < 4; wheelNumber++)
{
VehicleWheel wheel = car.Wheels[wheelNumber];
if (Utility.IsLeftOfLine(leftVerge2, leftVerge1, wheel.WorldPosition))
{
wheelsOutsideVerge++;
}
else if (!Utility.IsLeftOfLine(rightVerge2, rightVerge1, wheel.WorldPosition))
{
wheelsOutsideVerge++;
}
}
return wheelsOutsideVerge;
}
public BumperView(DrivableVehicle car)
{
_car = car;
_camera = new SimpleCamera();
_camera.FieldOfView = GameConfig.FOV;
_camera.FarPlaneDistance = GameConfig.DrawDistance;
}
public DropCameraView(DrivableVehicle car)
{
_car = car;
_camera = new SimpleCamera();
_camera.FieldOfView = GameConfig.FOV;
_camera.FarPlaneDistance = GameConfig.DrawDistance;
PositionCameraAtNode(car.Track.RoadNodes[10]);
}
public static void Handle(DrivableVehicle car)
{
var leftBound1 = car.CurrentNode.GetLeftBoundary();
var leftBound2 = car.CurrentNode.Next.GetLeftBoundary();
var rightBound1 = car.CurrentNode.GetRightBoundary();
var rightBound2 = car.CurrentNode.Next.GetRightBoundary();
for (int wheelNumber = 0; wheelNumber < 4; wheelNumber++)
{
VehicleWheel wheel = car.Wheels[wheelNumber];
Vector3 fenceNormal = Vector3.Zero;
bool collision = false;
float collisionAngle = 0;
float direction = 0;
if (Utility.IsLeftOfLine(leftBound2, leftBound1, wheel.WorldPosition))
{
fenceNormal = Vector3.Cross(Vector3.Normalize(leftBound2 - leftBound1), car.CurrentNode.Up);
collisionAngle = Vector3Helper.GetAngleBetweenVectors(car.Right, fenceNormal);
collision = true;
direction = -1;
}
else if (!Utility.IsLeftOfLine(rightBound2, rightBound1, wheel.WorldPosition))
{
fenceNormal = Vector3.Cross(car.CurrentNode.Up, Vector3.Normalize(rightBound2 - rightBound1));
collisionAngle = Vector3Helper.GetAngleBetweenVectors(-car.Right, fenceNormal);
collision = true;
direction = 1;
}
if (!collision) continue;
Vector3 collisionDir = Vector3.Reflect(car.Direction, fenceNormal);
// Force car back on the road, for that calculate impulse and collision direction
// Flip at 180 degrees (if driving in wrong direction)
if (collisionAngle > MathHelper.Pi / 2)
collisionAngle -= MathHelper.Pi;
// Just correct rotation if we hit the fence at a shallow angle
if (Math.Abs(collisionAngle) < MathHelper.ToRadians(45))
{
SlideAlongFence(car, wheelNumber, collisionAngle, direction);
}
// If 90-45 degrees (in either direction), make frontal crash
// + stop car + wobble camera
else if (Math.Abs(collisionAngle) < MathHelper.Pi * 3.0f / 4.0f)
{
HandleHeadOnCrash(car, wheelNumber, collisionAngle);
}
// move away from the way slightly. We should be a bit smarter and along more of a slide along the wall..
car.Position += fenceNormal * 1.5f;
break;
}
}
public VehicleWheel(DrivableVehicle car, Vector3 axlePoint, float size, Texture2D texture, float renderXOffset)
{
_car = car;
_axlePoint = axlePoint;
_size = size;
_texture = texture;
_renderOffset = new Vector3(renderXOffset, 0, 0);
_wheelMatrix = Matrix.CreateScale(new Vector3(_size, Width, _size)) * Matrix.CreateRotationZ(MathHelper.ToRadians(-90)); //cylinder geometry faces upwards
_smokeEmitter = new ParticleEmitter(TyreSmokeParticleSystem.Instance, 20, WorldPosition);
}
public ChaseView(DrivableVehicle car, int distance, int height, int offset)
{
_car = car;
_camera = new FixedChaseCamera();
_camera.FieldOfView = GameConfig.FOV;
_camera.FarPlaneDistance = GameConfig.DrawDistance;
_camera.ChaseDistance = distance;
_camera.ChaseHeight = height;
_camera.ChaseOffset = offset;
}
public VehicleWheel(DrivableVehicle car, Vector3 axlePoint, float size, Texture2D texture, float renderXOffset)
{
_car = car;
_axlePoint = axlePoint;
_size = size;
_texture = texture;
_renderOffset = new Vector3(renderXOffset, 0, 0);
_wheelMatrix = Matrix.CreateScale(new Vector3(_size, Width, _size)) * Matrix.CreateRotationZ(MathHelper.ToRadians(-90)); //cylinder geometry faces upwards
_smokeEmitter = new ParticleEmitter(TyreSmokeParticleSystem.Instance, 20, WorldPosition);
}
public PlayerUI(DrivableVehicle vehicle)
{
_vehicle = vehicle;
_views.Add(new DebugView(_vehicle));
_views.Add(new ChaseView(_vehicle, 32, 14, 0));
_views.Add(new DashboardView(_vehicle));
_views.Add(new BumperView(_vehicle));
_views.Add(new DropCameraView(_vehicle));
_views[_currentView].Activate();
}
public DashboardView(DrivableVehicle car)
{
_car = car;
_camera = new SimpleCamera();
_camera.FieldOfView = GameConfig.FOV;
_camera.FarPlaneDistance = GameConfig.DrawDistance;
var dashfile = Path.GetFileNameWithoutExtension(car.Descriptor.ModelFile) + "dh.fsh";
var dashDescription = DashboardDescription.Descriptions.Find(a => a.Filename == dashfile);
_dashboard = new Dashboard(car, dashDescription);
}
public Dashboard(DrivableVehicle car, DashboardDescription descriptor)
{
_car = car;
_descriptor = descriptor;
_car.Motor.Gearbox.GearChangeStarted += new EventHandler(Gearbox_GearChangeStarted);
_gearBoxAnimation = new GearboxAnimation();
//_instrumentLine = Engine.Instance.ContentManager.Load<Texture2D>("Content\\SpeedoLine");
if (_tachLineTexture == null)
{
_tachLineTexture = new Texture2D(Engine.Instance.Device, (int)3, 25);
Color[] pixels = new Color[_tachLineTexture.Width * _tachLineTexture.Height];
for (int i = 0; i < pixels.Length; i++) pixels[i] = Color.Red;
_tachLineTexture.SetData<Color>(pixels);
}
FshFile fsh = new FshFile(Path.Combine(@"SIMDATA\DASH", descriptor.Filename));
var bitmaps = fsh.Header;
Dash = bitmaps.FindByName("dash");
GearGate = bitmaps.FindByName("gate");
GearKnob = bitmaps.FindByName("nob1");
Leather1 = bitmaps.FindByName("lth1");
Leather2 = bitmaps.FindByName("lth2");
Leather3 = bitmaps.FindByName("lth3");
//steering wheel images, from straight to left, then to the right. Not all cars have all steering angles
Wstr = bitmaps.FindByName("wstr");
Wl06 = bitmaps.FindByName("wl06");
Wl14 = bitmaps.FindByName("wl14");
Wl22 = bitmaps.FindByName("wl22");
Wl32 = bitmaps.FindByName("wl32");
if (Wl32 == null)
Wl32 = Wl22;
Wl45 = bitmaps.FindByName("wl45");
if (Wl45 == null)
Wl45 = Wl32;
Wr06 = bitmaps.FindByName("wr06");
Wr14 = bitmaps.FindByName("wr14");
Wr22 = bitmaps.FindByName("wr22");
Wr32 = bitmaps.FindByName("wr32");
if (Wr32 == null)
Wr32 = Wr22;
Wr45 = bitmaps.FindByName("wr45");
if (Wr45 == null)
Wr45 = Wr32;
}
private static void HandleHeadOnCrash(DrivableVehicle car, int wheel, float collisionAngle)
{
if (car.AudioEnabled)
{
EnvironmentAudioProvider.Instance.PlayVehicleFenceCollision();
}
// Also rotate car if less than 60 degrees
if (Math.Abs(collisionAngle) < MathHelper.Pi / 3.0f)
{
car.RotateCarAfterCollision = +collisionAngle / 3.0f;
}
//bounce back a little
car.Speed *= -0.15f;
}
public DoRaceScreen(Track track)
{
_track = track;
_car = new DrivableVehicle(GameConfig.SelectedVehicle);
_playerDriver = new PlayerDriver(_car);
_car.AudioEnabled = true;
_race = new Race(_track.IsOpenRoad ? 1 : 3, _track, _playerDriver);
for (int i = 0; i < 10; i++)
{
int j = Engine.Instance.Random.Next(VehicleDescription.Descriptions.Count);
_race.AddDriver(new RacingAIDriver(VehicleDescription.Descriptions[j]));
}
//_race.AddDriver(new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "Viper")));
//_race.AddDriver(new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "Viper")));
//_race.AddDriver(new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "Viper")));
//_race.AddDriver(new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "Viper")));
_playerUI = new PlayerUI(_car);
/*
d = new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "911"));
_aiDrivers.Add(d);
_track.AddDriver(d);
d = new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "Viper"));
_aiDrivers.Add(d);
_track.AddDriver(d);
d = new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "Diablo"));
_aiDrivers.Add(d);
_track.AddDriver(d);
d = new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "F512"));
_aiDrivers.Add(d);
_track.AddDriver(d);
d = new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "ZR1"));
_aiDrivers.Add(d);
_track.AddDriver(d);
d = new AIDriver(VehicleDescription.Descriptions.Find(a => a.Name == "NSX"));
_aiDrivers.Add(d);
_track.AddDriver(d);
*/
_raceUI = new RaceUI(_race);
_race.StartCountdown();
_raceViewport = new Viewport(0, 0, 640, 400);
_uiViewport = new Viewport(0, 0, 640, 480);
}
private static void SlideAlongFence(DrivableVehicle car, int wheel, float collisionAngle, float direction)
{
if (car.AudioEnabled && Math.Abs(collisionAngle) > MathHelper.ToRadians(30))
{
EnvironmentAudioProvider.Instance.PlayVehicleFenceCollision();
}
// if we hit the front wheels, change the direction to almost match the fence direction. If we hit the back wheels this looks weird so
// only rotate 50% of the way
if (wheel < 2)
{
car.RotateCarAfterCollision = direction * collisionAngle * 1.1f;
car.Speed *= 0.80f;
}
else
{
car.RotateCarAfterCollision = direction * collisionAngle * 0.5f;
car.Speed *= 0.9f;
}
}
public void RenderBackground(DrivableVehicle car)
{
float carRpm = car.Motor.Rpm / car.Motor.RedlineRpm;
Engine.Instance.SpriteBatch.Begin(SpriteSortMode.FrontToBack, BlendState.NonPremultiplied, SamplerState.LinearWrap, DepthStencilState.None, RasterizerState.CullNone);
// Draw tacho
Color color = new Color(255, 255, 255, 200);
Engine.Instance.SpriteBatch.Draw(_tacho.Texture, new Rectangle(_tacho.Misc[2], _tacho.Misc[3], _size, _size), Color.White);
float rotation = (float)(carRpm * Math.PI * 1.4f) - 2.56f;
Engine.Instance.SpriteBatch.Draw(_tachLineTexture, new Vector2(_tacho.Misc[2] + _size / 2, _tacho.Misc[3] + _size / 2), null, color, rotation, new Vector2(_needleWidth/2, 25), new Vector2(1f, _needleLength), SpriteEffects.None, 0);
// mini-map overlay
//Engine.Instance.SpriteBatch.Draw(_map.Texture, _map.GetDisplayAt(), Color.White);
// Draw bottom fill
const int barHeight = 17;
Engine.Instance.SpriteBatch.Draw(_bottomBar.Texture, new Vector2(0, 400), new Rectangle(0, 0, 640, barHeight), Color.White);
Engine.Instance.SpriteBatch.Draw(_bottomFill.Texture, new Vector2(0, 400 + barHeight), new Rectangle(0, 0, 640, 60), Color.White);
Engine.Instance.SpriteBatch.End();
}
public PlayerDriver(DrivableVehicle vehicle)
{
_vehicle = vehicle;
}
public DebugView(DrivableVehicle car)
{
_car = car;
_camera = new FPSCamera();
}
public RacingAIDriver(VehicleDescription vehicleDescriptor)
{
_vehicle = new DrivableVehicle(vehicleDescriptor);
_vehicle.SteeringSpeed = 6;
_vehicle.AutoDrift = false;
Vehicle = _vehicle;
_firstLaneChangeAllowed = Engine.Instance.Random.Next(5, 40);
}
public static void Handle(DrivableVehicle car)
{
var leftBound1 = car.CurrentNode.GetLeftBoundary();
var leftBound2 = car.CurrentNode.Next.GetLeftBoundary();
var rightBound1 = car.CurrentNode.GetRightBoundary();
var rightBound2 = car.CurrentNode.Next.GetRightBoundary();
for (int wheelNumber = 0; wheelNumber < 4; wheelNumber++)
{
VehicleWheel wheel = car.Wheels[wheelNumber];
Vector3 fenceNormal = Vector3.Zero;
bool collision = false;
float collisionAngle = 0;
float direction = 0;
if (Utility.IsLeftOfLine(leftBound2, leftBound1, wheel.WorldPosition))
{
fenceNormal = Vector3.Cross(Vector3.Normalize(leftBound2 - leftBound1), car.CurrentNode.Up);
collisionAngle = Vector3Helper.GetAngleBetweenVectors(car.Right, fenceNormal);
collision = true;
direction = -1;
}
else if (!Utility.IsLeftOfLine(rightBound2, rightBound1, wheel.WorldPosition))
{
fenceNormal = Vector3.Cross(car.CurrentNode.Up, Vector3.Normalize(rightBound2 - rightBound1));
collisionAngle = Vector3Helper.GetAngleBetweenVectors(-car.Right, fenceNormal);
collision = true;
direction = 1;
}
if (!collision)
{
continue;
}
Vector3 collisionDir = Vector3.Reflect(car.Direction, fenceNormal);
// Force car back on the road, for that calculate impulse and collision direction
// Flip at 180 degrees (if driving in wrong direction)
if (collisionAngle > MathHelper.Pi / 2)
{
collisionAngle -= MathHelper.Pi;
}
// Just correct rotation if we hit the fence at a shallow angle
if (Math.Abs(collisionAngle) < MathHelper.ToRadians(45))
{
SlideAlongFence(car, wheelNumber, collisionAngle, direction);
}
// If 90-45 degrees (in either direction), make frontal crash
// + stop car + wobble camera
else if (Math.Abs(collisionAngle) < MathHelper.Pi * 3.0f / 4.0f)
{
HandleHeadOnCrash(car, wheelNumber, collisionAngle);
}
// move away from the way slightly. We should be a bit smarter and along more of a slide along the wall..
car.Position += fenceNormal * 1.5f;
break;
}
}
private static void SlideAlongFence(DrivableVehicle car, int wheel, float collisionAngle, float direction)
{
if (car.AudioEnabled && Math.Abs(collisionAngle) > MathHelper.ToRadians(30))
{
EnvironmentAudioProvider.Instance.PlayVehicleFenceCollision();
}
// if we hit the front wheels, change the direction to almost match the fence direction. If we hit the back wheels this looks weird so
// only rotate 50% of the way
if (wheel < 2)
{
car.RotateCarAfterCollision = direction * collisionAngle * 1.1f;
car.Speed *= 0.80f;
}
else
{
car.RotateCarAfterCollision = direction * collisionAngle *0.5f;
car.Speed *= 0.9f;
}
}
private static void HandleHeadOnCrash(DrivableVehicle car, int wheel, float collisionAngle)
{
if (car.AudioEnabled)
{
EnvironmentAudioProvider.Instance.PlayVehicleFenceCollision();
}
// Also rotate car if less than 60 degrees
if (Math.Abs(collisionAngle) < MathHelper.Pi / 3.0f)
car.RotateCarAfterCollision = +collisionAngle / 3.0f;
//bounce back a little
car.Speed *= -0.15f;
}
public VehicleAudioProvider2(DrivableVehicle car)
{
_car = car;
}
