// Load WorldSettings to form controls
private void InitForm()
{
suspendEvents = true;
chkSunShading.Checked = World.Settings.EnableSunShading;
chkSunFixed.Checked = !World.Settings.SunSynchedWithTime;
tbSunHeading.Value = (int)MathEngine.RadiansToDegrees(World.Settings.SunHeading);
tbSunElevation.Value = (int)MathEngine.RadiansToDegrees(World.Settings.SunElevation);
this.btnLightColorPicker.BackColor = World.Settings.LightColor;
this.btnShadeColorPicker.BackColor = World.Settings.ShadingAmbientColor;
suspendEvents = false;
FormChanged(null, null);
}
public LightDialog(string Name)
{
InitializeComponent();
this.Text = Name;
// Backup some values if we want to be able to cancel changes
EnableSunShadingBack = World.Settings.EnableSunShading;
SunSynchedWithTimeBack = World.Settings.SunSynchedWithTime;
SunHeadingBack = World.Settings.SunHeading;
SunElevationBack = World.Settings.SunElevation;
// Init form values
suspendEvents = true;
chkSunShading.Checked = World.Settings.EnableSunShading;
chkSunFixed.Checked = !World.Settings.SunSynchedWithTime;
tbSunHeading.Value = (int)MathEngine.RadiansToDegrees(World.Settings.SunHeading);
tbSunElevation.Value = (int)MathEngine.RadiansToDegrees(World.Settings.SunElevation);
suspendEvents = false;
}
public void UpdateTerrainElevation(TerrainAccessor terrainAccessor)
{
// Update camera terrain elevation
if (terrainAccessor != null)
{
if (Altitude < 300000)
{
if (System.DateTime.Now - this.lastElevationUpdate > TimeSpan.FromMilliseconds(500))
{
float elevation;
// Under camera target
elevation = terrainAccessor.GetCachedElevationAt(Latitude.Degrees, Longitude.Degrees);
TerrainElevation = float.IsNaN(elevation) ? (short)0 : (short)elevation;
// Under the camera itself
Vector3 cameraPos = Position;
Vector3 cameraCoord = MathEngine.CartesianToSpherical(cameraPos.X, cameraPos.Y, cameraPos.Z);
double camLat = MathEngine.RadiansToDegrees(cameraCoord.Y);
double camLon = MathEngine.RadiansToDegrees(cameraCoord.Z);
elevation = terrainAccessor.GetCachedElevationAt(camLat, camLon);
TerrainElevationUnderCamera = float.IsNaN(elevation) ? (short)0 : (short)elevation;
if (TerrainElevationUnderCamera < 0 && !World.Settings.AllowNegativeAltitude)
{
TerrainElevationUnderCamera = 0;
}
// reset timer
this.lastElevationUpdate = System.DateTime.Now;
}
}
else
{
TerrainElevation = 0;
TerrainElevationUnderCamera = 0;
}
}
else
{
TerrainElevation = 0;
TerrainElevationUnderCamera = 0;
}
}
/// <summary>
/// This is where we do our rendering
/// Called from UI thread = UI code safe in this function
/// </summary>
public override void Render(DrawArgs drawArgs)
{
if (!isInitialized)
{
return;
}
// Camera & Device shortcuts ;)
CameraBase camera = drawArgs.WorldCamera;
Device device = drawArgs.device;
if (camera.Altitude > 1000e3)
{
return;
}
//double halfView = 0.5* camera.TrueViewRange.Degrees;
double halfView = 90D - MathEngine.RadiansToDegrees(Math.Asin(camera.WorldRadius / (camera.Altitude + camera.WorldRadius)));
double west = camera.Longitude.Degrees - halfView;
double east = camera.Longitude.Degrees + halfView;
double north = camera.Latitude.Degrees + halfView;
double south = camera.Latitude.Degrees - halfView;
float radius = (float)(camera.WorldRadius + FloodElevation * World.Settings.VerticalExaggeration);
this.Name = "Flood level: " + ConvertUnits.GetDisplayString(FloodElevation);
if (floodMesh != null)
{
floodMesh.Dispose();
}
floodMesh = MakeFloodMesh(device, radius, west, north, east, south, FloodColor);
// Lighting setup (specular...)
SetupLights(drawArgs);
// save world and projection transform
Matrix origWorld = device.Transform.World;
Matrix origProjection = device.Transform.Projection;
// Save fog status
bool origFog = device.RenderState.FogEnable;
device.RenderState.FogEnable = false;
// WW 1.4 Camera jitter fix (recenter)
drawArgs.device.Transform.World = Matrix.Translation(
(float)-drawArgs.WorldCamera.ReferenceCenter.X,
(float)-drawArgs.WorldCamera.ReferenceCenter.Y,
(float)-drawArgs.WorldCamera.ReferenceCenter.Z
);
// draw mesh
device.SetTexture(0, null);
device.VertexFormat = CustomVertex.PositionNormalColored.Format;
device.TextureState[0].AlphaOperation = TextureOperation.SelectArg1;
device.TextureState[0].AlphaArgument1 = TextureArgument.Diffuse;
device.TextureState[0].ColorOperation = TextureOperation.SelectArg1;
device.TextureState[0].ColorArgument1 = TextureArgument.Diffuse;
floodMesh.DrawSubset(0);
// Restore device states
device.Transform.World = origWorld;
device.Transform.Projection = origProjection;
device.RenderState.FogEnable = origFog;
}
