protected int FindBoatIndex(V2DScreen screen)
{
int result = -1;
if (laneIndex == 1 || laneIndex == 8)
{
result = rnd.Next(2) + 1;
}
else if (laneIndex == 2 || laneIndex == 7)
{
result = 5;
}
else if (laneIndex == 3 || laneIndex == 6)
{
result = 4;
}
else if (laneIndex == 4 || laneIndex == 5)
{
result = 0;
}
else
{
result = rnd.Next(3);
}
// no other ships when aircraft carrier is present
if (laneIndex == 1 || laneIndex == 3)
{
if (((BaseScreen)screen).lanes[2].vehicles.Count > 0 && ((BaseScreen)screen).lanes[2].vehicles[0].X > 100)
{
return(-1);
}
}
else if (laneIndex == 6 || laneIndex == 8)
{
if (((BaseScreen)screen).lanes[7].vehicles.Count > 0 && ((BaseScreen)screen).lanes[7].vehicles[0].X < 1400)
{
return(-1);
}
}
return(result);
}
public void Update(GameTime gameTime, V2DScreen screen)
{
if ((gameTime.TotalGameTime - lastUpdate) > pauseDetection)
{
nextCreation += (gameTime.TotalGameTime - lastUpdate);
}
// remove expired vehicles
for (int i = 0; i < vehicles.Count; i++)
{
if ((movesRight && vehicles[i].X - vehicles[i].VehicleWidth > screen.ClientSize.X) ||
(!movesRight && vehicles[i].X + vehicles[i].VehicleWidth < 0))
{
screen.RemoveInstance(vehicles[i]);
vehicles.Remove(vehicles[i]);
}
}
if (gameTime.TotalGameTime > nextCreation)
{
CreateVehicle(screen, gameTime.TotalGameTime);
}
lastUpdate = gameTime.TotalGameTime;
}
public bool CreateVehicle(V2DScreen screen, TimeSpan totalGameTime)
{
bool result = false;
if (laneKind == LaneKind.Empty)
{
return(result);
}
if (!((BaseScreen)screen).WaitingOnPanel)
{
if (firstVehicle)
{
firstVehicle = false;
laneWidth = (int)screen.ClientSize.X;
if (!createVehicleOnStartup || rnd.Next(maxCreationDelay) < minCreationDelay)
{
SetNextVehicleTime(totalGameTime);
return(result);
}
}
if (CanCreateVehicle())
{
// todo: move this into vehicles
V2DInstance vInst;
switch (laneKind)
{
case LaneKind.Sidewalk:
vehicleStyleIndex = rnd.Next(4);
vInst = screen.CreateInstanceDefinition("sidewalker" + vehicleStyleIndex, "vehicle" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.Car:
if (rnd.Next(20) == 0)
{
// special vehicles
vehicleStyleIndex = rnd.Next(2) + 11;
}
else
{
vehicleStyleIndex = rnd.Next(11);
}
vInst = screen.CreateInstanceDefinition("vehicle" + vehicleStyleIndex, "vehicle" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.Train:
vehicleStyleIndex = 0;
vInst = screen.CreateInstanceDefinition("trainFull" + vehicleStyleIndex, "vehicle" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.Shinkansen:
vehicleStyleIndex = 1;
vInst = screen.CreateInstanceDefinition("trainFull" + vehicleStyleIndex, "vehicle" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.Spaceship:
vehicleStyleIndex = rnd.Next(8);
vInst = screen.CreateInstanceDefinition("spaceship" + vehicleStyleIndex, "vehicle" + nextDepth);
vInst.Rotation = movesRight ? rightAngle + (float)rnd.Next(1000) / 2000f - .25f : leftAngle + (float)rnd.Next(1000) / 2000f - .25f;
break;
case LaneKind.DrownWater:
vehicleStyleIndex = rnd.Next(3);
vInst = screen.CreateInstanceDefinition("boat" + vehicleStyleIndex, "boat" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.SwimWater:
vehicleStyleIndex = FindBoatIndex(screen);
if (vehicleStyleIndex == -1)
{
return(result);
}
if (vehicleStyleIndex == 5)
{
vInst = screen.CreateInstanceDefinition("boat" + vehicleStyleIndex, "carrier" + nextDepth);
}
else
{
vInst = screen.CreateInstanceDefinition("boat" + vehicleStyleIndex, "boat" + nextDepth);
}
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.WideCar:
vehicleStyleIndex = 0;
vInst = screen.CreateInstanceDefinition("wideVehicle" + vehicleStyleIndex, "vehicle" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
case LaneKind.SteamRoller:
vInst = screen.CreateInstanceDefinition("steamRoller", "steamRoller" + nextDepth);
vInst.Rotation = movesRight ? rightAngle : leftAngle;
break;
default:
throw new Exception("Unsupported vehicle: " + laneKind);
}
vInst.Depth = nextDepth++;
vInst.Y = yLocation;
Vector4 shapeRect = vInst.Definition.GetShapeRectangle();
float h = shapeRect.W;
if (movesRight)
{
vInst.X = 10;
vInst.Y += laneHeight - (laneHeight - h - shapeRect.Y) / 2f;// vInst.Definition.Height) / 2f;
}
else
{
vInst.X = laneWidth - 10;
vInst.Y += (laneHeight - h - shapeRect.Y) / 2f;//vInst.Definition.Height) / 2f;
}
if (firstVehicle && !oneTimeVehicle)
{
vInst.X = rnd.Next(0, laneWidth);
firstVehicle = false;
}
LaneVehicle v = (LaneVehicle)screen.AddInstance(vInst, screen);
v.vehicleStyleIndex = vehicleStyleIndex;
// trains shouldn't move off track
if (v.VisibleWidth > 500)
{
v.body.SetFixedRotation(true);
}
v.Lane = this;
v.laneY = v.Y;
v.direction = new Vector2((float)System.Math.Cos(vInst.Rotation), (float)System.Math.Sin(vInst.Rotation));
v.MaxSpeed = vehicleSpeed;
vehicles.Add(v);
if (laneKind == LaneKind.WideCar || laneKind == LaneKind.DrownWater || laneKind == LaneKind.SwimWater || laneKind == LaneKind.Sidewalk)
{
v.PlayAll();
if ((laneKind == LaneKind.DrownWater) && vehicleStyleIndex == 1)
{
v.MaxSpeed = 5;
}
}
else if (laneKind == LaneKind.Car && vehicleStyleIndex >= 11)
{
v.PlayAll();
}
SetNextVehicleTime(totalGameTime);
result = true;
}
}
return(result);
}
