protected override void OnUnload()
{
_cameraObject = null;
// Detach and dispose the grouping scene node with all children.
_groupNode.Parent.Children.Remove(_ambientLightNode);
_groupNode.Dispose(false);
// Dispose cloud textures.
if (_enableCloudLayer)
{
_cloudMap0.Dispose();
_cloudMap1.Dispose();
}
// Set all references to null.
_groupNode = null;
_milkyWayNode = null;
_starfieldNode = null;
_sunNode = null;
_moonNode = null;
_scatteringSkyNode = null;
_ambientLightNode = null;
_sunlightNode = null;
_moonlightNode = null;
_cloudLayerNode0 = null;
_cloudLayerNode1 = null;
_cloudMap0 = null;
_cloudMap1 = null;
}
protected override void OnUnload()
{
// Detach the scene nodes from the scene.
if (_skyGroupNode.Parent != null)
{
_skyGroupNode.Parent.Children.Remove(_skyGroupNode);
}
_lightGroupNode.Parent.Children.Remove(_lightGroupNode);
// Dispose allocated resources.
_skyGroupNode.Dispose(false);
_lightGroupNode.Dispose(false);
if (_enableClouds)
{
_cloudLayerNode0.CloudMap.Dispose();
_cloudLayerNode1.CloudMap.Dispose();
}
if (_cacheSky)
{
_sceneCaptureNode.RenderToTexture.Texture.Dispose();
_sceneCaptureNode.Dispose(false);
_cloudMapRenderer.Dispose();
_skyRenderer.Dispose();
_colorEncoder.Dispose();
_sceneCaptureRenderer.Dispose();
}
// Set references to null.
_cameraObject = null;
_skyGroupNode = null;
_lightGroupNode = null;
_milkyWayNode = null;
_starfieldNode = null;
_sunNode = null;
_moonNode = null;
_scatteringSkyNode = null;
_ambientLightNode = null;
_sunlightNode = null;
_moonlightNode = null;
_cloudLayerNode0 = null;
_cloudLayerNode1 = null;
_sceneCaptureNode = null;
SkyboxNode = null;
_cloudMapRenderer = null;
_skyRenderer = null;
_colorEncoder = null;
_sceneCaptureRenderer = null;
}
// OnUnload() is called when the GameObject is removed from the IGameObjectService.
protected override void OnUnload()
{
_skyboxNode.Parent.Children.Remove(_skyboxNode);
_skyboxNode.Dispose(false);
_skyboxNode = null;
_ambientLightNode.Parent.Children.Remove(_ambientLightNode);
_ambientLightNode.Dispose(false);
_ambientLightNode = null;
_sunlightNode.Parent.Children.Remove(_sunlightNode);
_sunlightNode.Dispose(false);
_sunlightNode = null;
}
// OnLoad() is called when the GameObject is added to the IGameObjectService.
protected override void OnLoad()
{
var content = _services.GetInstance <ContentManager>();
_skyboxNode = new SkyboxNode(content.Load <TextureCube>("Sky2"))
{
Color = new Vector3F(SkyExposure),
};
// The ambient light.
var ambientLight = new AmbientLight
{
Color = new Vector3F(0.9f, 0.9f, 1f),
HdrScale = 0.1f,
Intensity = 0.5f,
HemisphericAttenuation = 0.8f,
};
_ambientLightNode = new LightNode(ambientLight)
{
Name = "Ambient",
};
// The main directional light.
var sunlight = new DirectionalLight
{
Color = new Vector3F(1, 0.9607844f, 0.9078432f),
HdrScale = 0.4f,
DiffuseIntensity = 1,
SpecularIntensity = 1,
};
_sunlightNode = new LightNode(sunlight)
{
Name = "Sunlight",
Priority = 10, // This is the most important light.
PoseWorld = new Pose(QuaternionF.CreateRotationY(-1.4f) * QuaternionF.CreateRotationX(-0.6f)),
// This light uses Cascaded Shadow Mapping.
Shadow = new CascadedShadow
{
#if XBOX
PreferredSize = 512,
#else
PreferredSize = 1024,
#endif
Prefer16Bit = true,
}
};
// Add a lens flare for the key light.
var lensFlare = new LensFlare(true)
{
QuerySize = 0.2f, Size = 0.2f, Name = "Sun Flare"
};
var lensFlareTexture = content.Load <Texture2D>("LensFlare/LensFlares");
var circleTexture = new PackedTexture("Circle", lensFlareTexture, new Vector2F(0, 0), new Vector2F(0.25f, 0.5f));
var glowTexture = new PackedTexture("Glow", lensFlareTexture, new Vector2F(0.25f, 0), new Vector2F(0.25f, 0.5f));
var ringTexture = new PackedTexture("Ring", lensFlareTexture, new Vector2F(0.5f, 0), new Vector2F(0.25f, 0.5f));
var haloTexture = new PackedTexture("Halo", lensFlareTexture, new Vector2F(0.75f, 0), new Vector2F(0.25f, 0.5f));
var sunTexture = new PackedTexture("Sun", lensFlareTexture, new Vector2F(0, 0.5f), new Vector2F(0.25f, 0.5f));
var streaksTexture = new PackedTexture("Streaks", lensFlareTexture, new Vector2F(0.25f, 0.5f), new Vector2F(0.25f, 0.5f));
var flareTexture = new PackedTexture("Flare", lensFlareTexture, new Vector2F(0.5f, 0.5f), new Vector2F(0.25f, 0.5f));
lensFlare.Elements.Add(new LensFlareElement(-0.2f, 0.55f, 0.0f, new Color(175, 175, 255, 20), new Vector2F(0.5f, 0.5f), circleTexture));
lensFlare.Elements.Add(new LensFlareElement(0.0f, 0.9f, 0.0f, new Color(255, 255, 255, 255), new Vector2F(0.5f, 0.5f), sunTexture));
lensFlare.Elements.Add(new LensFlareElement(0.0f, 1.8f, 0.0f, new Color(255, 255, 255, 128), new Vector2F(0.5f, 0.5f), streaksTexture));
lensFlare.Elements.Add(new LensFlareElement(0.0f, 2.6f, 0.0f, new Color(255, 255, 200, 64), new Vector2F(0.5f, 0.5f), glowTexture));
lensFlare.Elements.Add(new LensFlareElement(0.5f, 0.12f, 0.0f, new Color(60, 60, 180, 35), new Vector2F(0.5f, 0.5f), circleTexture));
lensFlare.Elements.Add(new LensFlareElement(0.55f, 0.46f, 0.0f, new Color(100, 100, 200, 60), new Vector2F(0.5f, 0.5f), circleTexture));
lensFlare.Elements.Add(new LensFlareElement(0.6f, 0.17f, 0.0f, new Color(120, 120, 220, 40), new Vector2F(0.5f, 0.5f), circleTexture));
lensFlare.Elements.Add(new LensFlareElement(0.85f, 0.2f, 0.0f, new Color(60, 60, 255, 100), new Vector2F(0.5f, 0.5f), ringTexture));
lensFlare.Elements.Add(new LensFlareElement(1.5f, 0.2f, 0.0f, new Color(255, 60, 60, 130), new Vector2F(0.5f, 0.5f), flareTexture));
lensFlare.Elements.Add(new LensFlareElement(0.15f, 0.15f, 0.0f, new Color(255, 60, 60, 90), new Vector2F(0.5f, 0.5f), flareTexture));
lensFlare.Elements.Add(new LensFlareElement(1.3f, 0.6f, 0.0f, new Color(60, 60, 255, 180), new Vector2F(0.5f, 0.5f), haloTexture));
lensFlare.Elements.Add(new LensFlareElement(1.4f, 0.2f, 0.0f, new Color(220, 80, 80, 98), new Vector2F(0.5f, 0.5f), haloTexture));
lensFlare.Elements.Add(new LensFlareElement(1.5f, 0.1f, 0.0f, new Color(220, 80, 80, 85), new Vector2F(0.5f, 0.5f), circleTexture));
lensFlare.Elements.Add(new LensFlareElement(1.6f, 0.5f, 0.0f, new Color(60, 60, 255, 80), new Vector2F(0.5f, 0.5f), haloTexture));
lensFlare.Elements.Add(new LensFlareElement(1.8f, 0.3f, 0.0f, new Color(90, 60, 255, 110), new Vector2F(0.5f, 0.5f), ringTexture));
lensFlare.Elements.Add(new LensFlareElement(1.95f, 0.5f, 0.0f, new Color(60, 60, 255, 120), new Vector2F(0.5f, 0.5f), haloTexture));
lensFlare.Elements.Add(new LensFlareElement(2.0f, 0.15f, 0.0f, new Color(60, 60, 255, 85), new Vector2F(0.5f, 0.5f), circleTexture));
// Add lens flare as a child of the sunlight.
var lensFlareNode = new LensFlareNode(lensFlare);
_sunlightNode.Children = new SceneNodeCollection();
_sunlightNode.Children.Add(lensFlareNode);
// Add scene nodes to scene graph.
var scene = _services.GetInstance <IScene>();
scene.Children.Add(_skyboxNode);
scene.Children.Add(_ambientLightNode);
scene.Children.Add(_sunlightNode);
}
private void RenderHiDef(SkyboxNode node, RenderContext context)
{
var graphicsDevice = context.GraphicsService.GraphicsDevice;
var savedRenderState = new RenderStateSnapshot(graphicsDevice);
graphicsDevice.RasterizerState = RasterizerState.CullNone;
graphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
graphicsDevice.BlendState = node.EnableAlphaBlending ? BlendState.AlphaBlend : BlendState.Opaque;
bool sourceIsFloatingPoint = TextureHelper.IsFloatingPointFormat(node.Texture.Format);
// Set sampler state. (Floating-point textures cannot use linear filtering. (XNA would throw an exception.))
if (sourceIsFloatingPoint)
{
graphicsDevice.SamplerStates[0] = SamplerState.PointClamp;
}
else
{
graphicsDevice.SamplerStates[0] = SamplerState.LinearClamp;
}
var cameraNode = context.CameraNode;
Matrix view = cameraNode.View;
Matrix projection = cameraNode.Camera.Projection;
// Cube maps are left handed --> Sample with inverted z. (Otherwise, the
// cube map and objects or texts in it are mirrored.)
var mirrorZ = Matrix.CreateScale(1, 1, -1);
Matrix orientation = node.PoseWorld.Orientation;
_parameterWorldViewProjection.SetValue((Matrix)(projection * view * new Matrix(orientation, Vector3.Zero) * mirrorZ));
Vector4 color = node.EnableAlphaBlending
? new Vector4((Vector3)node.Color * node.Alpha, node.Alpha) // Premultiplied
: new Vector4((Vector3)node.Color, 1); // Opaque
_parameterColor.SetValue(color);
_textureParameter.SetValue(node.Texture);
if (node.Encoding is RgbEncoding)
{
_parameterTextureSize.SetValue(node.Texture.Size);
if (context.IsHdrEnabled())
{
_passRgbToRgb.Apply();
}
else
{
_passRgbToSRgb.Apply();
}
}
else if (node.Encoding is SRgbEncoding)
{
if (!sourceIsFloatingPoint)
{
if (context.IsHdrEnabled())
{
_passSRgbToRgb.Apply();
}
else
{
_passSRgbToSRgb.Apply();
}
}
else
{
throw new GraphicsException("sRGB encoded skybox cube maps must not use a floating point format.");
}
}
else if (node.Encoding is RgbmEncoding)
{
float max = GraphicsHelper.ToGamma(((RgbmEncoding)node.Encoding).Max);
_parameterRgbmMaxValue.SetValue(max);
if (context.IsHdrEnabled())
{
_passRgbmToRgb.Apply();
}
else
{
_passRgbmToSRgb.Apply();
}
}
else
{
throw new NotSupportedException("The SkyBoxRenderer supports only RgbEncoding, SRgbEncoding and RgbmEncoding.");
}
_submesh.Draw();
savedRenderState.Restore();
}
private void RenderReach(SkyboxNode node, RenderContext context)
{
var graphicsDevice = context.GraphicsService.GraphicsDevice;
var savedRenderState = new RenderStateSnapshot(graphicsDevice);
graphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
graphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
graphicsDevice.BlendState = node.EnableAlphaBlending ? BlendState.AlphaBlend : BlendState.Opaque;
graphicsDevice.SamplerStates[0] = SamplerState.LinearClamp;
// Change viewport to render all pixels at max z.
var originalViewport = graphicsDevice.Viewport;
var viewport = originalViewport;
viewport.MinDepth = viewport.MaxDepth;
graphicsDevice.Viewport = viewport;
var cameraNode = context.CameraNode;
var view = cameraNode.View;
view.Translation = Vector3.Zero;
var projection = cameraNode.Camera.Projection;
var basicEffect = (BasicEffect)_effect;
basicEffect.View = (Matrix)view;
basicEffect.Projection = projection;
basicEffect.DiffuseColor = (Vector3)node.Color;
basicEffect.Alpha = node.EnableAlphaBlending ? node.Alpha : 1;
// Scale skybox such that it lies within view frustum:
// distance of a skybox corner = √3
// √3 * scale = far
// => scale = far / √3
// (Note: If near > far / √3 then the skybox will be clipped.)
float scale = projection.Far * 0.577f;
var orientation = node.PoseWorld.Orientation;
// Positive X
basicEffect.Texture = GetTexture2D(graphicsDevice, node.Texture, CubeMapFace.PositiveX);
basicEffect.World = (Matrix) new Matrix(orientation * scale, Vector3.Zero);
basicEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _faceVertices, 0, 2);
// Negative X
// transform = scale * rotY(180°)
var transform = new Matrix(-scale, 0, 0, 0, scale, 0, 0, 0, -scale);
basicEffect.Texture = GetTexture2D(graphicsDevice, node.Texture, CubeMapFace.NegativeX);
basicEffect.World = (Matrix) new Matrix(orientation * transform, Vector3.Zero);
basicEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _faceVertices, 0, 2);
// Positive Y
// transform = scale * rotX(90°) * rotY(90°)
transform = new Matrix(0, 0, scale, scale, 0, 0, 0, scale, 0);
basicEffect.Texture = GetTexture2D(graphicsDevice, node.Texture, CubeMapFace.PositiveY);
basicEffect.World = (Matrix) new Matrix(orientation * transform, Vector3.Zero);
basicEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _faceVertices, 0, 2);
// Negative Y
// transform = scale * rotX(-90°) * rotY(90°)
transform = new Matrix(0, 0, scale, -scale, 0, 0, 0, -scale, 0);
basicEffect.Texture = GetTexture2D(graphicsDevice, node.Texture, CubeMapFace.NegativeY);
basicEffect.World = (Matrix) new Matrix(orientation * transform, Vector3.Zero);
basicEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _faceVertices, 0, 2);
// Cube maps are left-handed, where as the world is right-handed!
// Positive Z (= negative Z in world space)
// transform = scale * rotY(90°)
transform = new Matrix(0, 0, scale, 0, scale, 0, -scale, 0, 0);
basicEffect.Texture = GetTexture2D(graphicsDevice, node.Texture, CubeMapFace.PositiveZ);
basicEffect.World = (Matrix) new Matrix(orientation * transform, Vector3.Zero);
basicEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _faceVertices, 0, 2);
// Negative Z (= positive Z in world space)
// transform = scale * rotY(-90°)
transform = new Matrix(0, 0, -scale, 0, scale, 0, scale, 0, 0);
basicEffect.Texture = GetTexture2D(graphicsDevice, node.Texture, CubeMapFace.NegativeZ);
basicEffect.World = (Matrix) new Matrix(orientation * transform, Vector3.Zero);
basicEffect.CurrentTechnique.Passes[0].Apply();
graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, _faceVertices, 0, 2);
graphicsDevice.Viewport = originalViewport;
savedRenderState.Restore();
}
private void InitializeSky(ContentManager content)
{
// This scene node is used as the parent of all sky nodes created here.
_skyGroupNode = new SceneNode
{
Name = "ScatteringSkyGroup",
Children = new SceneNodeCollection()
};
// If we render the sky into a cube map, then we do not add the sky nodes to the scene.
if (!_cacheSky)
{
_scene.Children.Add(_skyGroupNode);
}
// Add a skybox with milky way cube map.
_milkyWayNode = new SkyboxNode(content.Load <TextureCube>("Sky/MilkyWay"))
{
Color = new Vector3F(MilkyWayLightScale),
};
_skyGroupNode.Children.Add(_milkyWayNode);
// Add a starfield with all visible stars from a star catalog.
InitializeStarfield();
_skyGroupNode.Children.Add(_starfieldNode);
// Add a node which draws a sun disk.
_sunNode = new SkyObjectNode
{
GlowExponent0 = 4000,
};
_skyGroupNode.Children.Add(_sunNode);
// Add a node which draws a moon texture including moon phase.
_moonNode = new SkyObjectNode
{
Texture = new PackedTexture(content.Load <Texture2D>("Sky/Moon")),
LightWrap = 0.1f,
LightSmoothness = 1,
AngularDiameter = new Vector2F(MathHelper.ToRadians(5)),
// Disable glow.
GlowColor0 = new Vector3F(0),
GlowColor1 = new Vector3F(0),
};
_skyGroupNode.Children.Add(_moonNode);
// Add a ScatteringSky which renders the sky colors using a physically-based model.
_scatteringSkyNode = new ScatteringSkyNode
{
SunIntensity = 1,
// Set a base color to get a dark blue instead of a pitch black night.
BaseHorizonColor = new Vector3F(0.043f, 0.090f, 0.149f) * 0.01f,
BaseZenithColor = new Vector3F(0.024f, 0.051f, 0.102f) * 0.01f,
BaseColorShift = 0.5f
};
_skyGroupNode.Children.Add(_scatteringSkyNode);
if (_enableClouds)
{
InitializeClouds();
}
// The following scene nodes inherit from SkyNode and are rendered by a SkyRenderer
// in the DeferredLightingScreen. We have to set the DrawOrder to render them from
// back to front.
_milkyWayNode.DrawOrder = 0;
_starfieldNode.DrawOrder = 1;
_sunNode.DrawOrder = 2;
_moonNode.DrawOrder = 3;
_scatteringSkyNode.DrawOrder = 4;
if (_enableClouds)
{
_cloudLayerNode1.DrawOrder = 5;
_cloudLayerNode0.DrawOrder = 6;
}
}
//--------------------------------------------------------------
#region Methods
//--------------------------------------------------------------
protected override void OnLoad()
{
// Get services.
_inputService = _services.GetInstance <IInputService>();
_graphicsService = _services.GetInstance <IGraphicsService>();
_scene = _services.GetInstance <IScene>();
var content = _services.GetInstance <ContentManager>();
var gameObjectService = _services.GetInstance <IGameObjectService>();
// Get camera game object.
_cameraObject = (CameraObject)gameObjectService.Objects["Camera"];
// Create SkyNodes.
InitializeSky(content);
// Create LightNodes
InitializeLights();
// Optionally, the sky is captured into a cube map and the cube map is added
// to the scene instead of all the sky nodes.
if (_cacheSky)
{
// We use a SceneCaptureNode to create the cube map.
// The cube map uses RGBM encoding to store HDR values.
var renderToTexture = new RenderToTexture
{
Texture = new RenderTargetCube(
_graphicsService.GraphicsDevice,
#if XBOX
512,
#else
1024,
#endif
true,
SurfaceFormat.Color,
DepthFormat.None),
};
var projection = new PerspectiveProjection();
projection.SetFieldOfView(ConstantsF.PiOver2, 1, 1, 10);
_sceneCaptureNode = new SceneCaptureNode(renderToTexture)
{
// Note: The scene is captured at the origin (0, 0, 0).
CameraNode = new CameraNode(new Camera(projection)),
};
SkyboxNode = new SkyboxNode
{
Encoding = ColorEncoding.Rgbm,
Texture = (TextureCube)renderToTexture.Texture,
};
_scene.Children.Add(SkyboxNode);
}
// The Ephemeris class computes the positions of the sun and the moon as seen
// from any place on the earth.
_ephemeris = new Ephemeris
{
// Seattle, Washington
//Latitude = 47,
//Longitude = 122,
//Altitude = 100
// Vienna
//Latitude = 48,
//Longitude = -16,
//Altitude = 0
// Equator
Latitude = 0,
Longitude = 0,
Altitude = 0
};
// Update the positions of sky objects and the lights.
UpdateSky();
// Create cube map.
if (_cacheSky)
{
UpdateCubeMap(TimeSpan.Zero);
}
// Add GUI controls to the Options window.
var sampleFramework = _services.GetInstance <SampleFramework>();
var optionsPanel = sampleFramework.AddOptions("Game Objects");
var panel = SampleHelper.AddGroupBox(optionsPanel, "DynamicSkyObject");
SampleHelper.AddSlider(
panel,
"Time",
"F2",
0,
24,
(float)Time.TimeOfDay.TotalHours,
value =>
{
var time = Time;
time = time.Subtract(time.TimeOfDay).Add(TimeSpan.FromHours(value));
Time = time;
});
SampleHelper.AddCheckBox(
panel,
"Enable ambient light",
EnableAmbientLight,
isChecked => EnableAmbientLight = isChecked);
SampleHelper.AddSlider(
panel,
"Fog sample angle",
"F2",
0,
ConstantsF.PiOver2,
FogSampleAngle,
value => FogSampleAngle = value);
SampleHelper.AddSlider(
panel,
"Fog saturation",
"F2",
0,
1,
FogSaturation,
value => FogSaturation = value);
//SampleHelper.AddSlider(
// panel,
// "Fog scattering symmetry R",
// "F2",
// 0,
// 1,
// FogScatteringSymmetry.X,
// value => FogScatteringSymmetry = new Vector3F(value, FogScatteringSymmetry.Y, FogScatteringSymmetry.Z));
//SampleHelper.AddSlider(
// panel,
// "Fog scattering symmetry G",
// "F2",
// 0,
// 1,
// FogScatteringSymmetry.Y,
// value => FogScatteringSymmetry = new Vector3F(FogScatteringSymmetry.X, value, FogScatteringSymmetry.Z));
//SampleHelper.AddSlider(
// panel,
// "Fog scattering symmetry B",
// "F2",
// 0,
// 1,
// FogScatteringSymmetry.Z,
// value => FogScatteringSymmetry = new Vector3F(FogScatteringSymmetry.X, FogScatteringSymmetry.Y, value));
}
public LdrSkySample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
var delegateGraphicsScreen = new DelegateGraphicsScreen(GraphicsService)
{
RenderCallback = Render,
};
GraphicsService.Screens.Insert(0, delegateGraphicsScreen);
// Add a custom game object which controls the camera.
_cameraObject = new CameraObject(Services);
GameObjectService.Objects.Add(_cameraObject);
var spriteFont = UIContentManager.Load <SpriteFont>("UI Themes/BlendBlue/Default");
_debugRenderer = new DebugRenderer(GraphicsService, spriteFont);
_cieSkyFilter = new CieSkyFilter(GraphicsService);
_cieSkyFilter.Exposure = 5;
_cieSkyFilter.Strength = 0.9f;
_gradientSky = new GradientSkyNode();
//_gradientSky.GroundColor = new Vector4F(0, 0, 1, 1);
//_gradientSky.ZenithColor = new Vector4F(0, 0, 1, 1);
//_gradientSky.FrontColor = new Vector4F(0, 0, 1, 1);
//_gradientSky.BackColor = new Vector4F(0, 0, 1, 1);
//_gradientSky.FrontZenithShift = 0.3f;
//_gradientSky.FrontGroundShift = 0.1f;
//_gradientSky.BackGroundShift = 0.1f;
_gradientSky.CieSkyStrength = 0;
_gradientTextureSky = new GradientTextureSkyNode();
_gradientTextureSky.TimeOfDay = _time.TimeOfDay;
_gradientTextureSky.Color = new Vector4F(1);
_gradientTextureSky.FrontTexture = ContentManager.Load <Texture2D>("Sky/GradientSkyFront");
_gradientTextureSky.BackTexture = ContentManager.Load <Texture2D>("Sky/GradientSkyBack");
_gradientTextureSky.CieSkyStrength = 1;
_scatteringSky = new ScatteringSkyNode();
_scatteringSky.SunIntensity *= 2;
_scatteringSky.BetaMie *= 2;
_scatteringSky.GMie = 0.75f;
_scatteringSky.ScaleHeight = _scatteringSky.AtmosphereHeight * 0.25f;
InitializeStarfield();
_cloudMapRenderer = new CloudMapRenderer(GraphicsService);
_skyRenderer = new SkyRenderer(GraphicsService);
_milkyWay = ContentManager.Load <TextureCube>("Sky/MilkyWay");
_milkyWaySkybox = new SkyboxNode(_milkyWay)
{
Color = new Vector3F(0.05f)
};
_sun = new SkyObjectNode
{
GlowColor0 = new Vector3F(1, 1, 1) * 5,
GlowExponent0 = 4000,
//GlowColor1 = new Vector3F(0.4f) * 0.1f,
//GlowExponent1 = 100
};
_moon = new SkyObjectNode
{
Texture = new PackedTexture(ContentManager.Load <Texture2D>("Sky/Moon")),
SunLight = new Vector3F(1, 1, 1) * 1,
AmbientLight = new Vector3F(0.001f) * 1,
LightWrap = 0.1f,
LightSmoothness = 1,
AngularDiameter = new Vector2F(MathHelper.ToRadians(5)),
GlowColor0 = new Vector3F(0.005f * 0),
GlowCutoffThreshold = 0.001f,
GlowExponent0 = 100
};
var cloudMap = new LayeredCloudMap
{
Density = 10,
Coverage = 0.5f,
Size = 1024,
};
var scale = CreateScale(0.2f);
cloudMap.Layers[0] = new CloudMapLayer(null, scale * CreateScale(1), -0.5f, 1, 0.011f * 0);
cloudMap.Layers[1] = new CloudMapLayer(null, scale * CreateScale(1.7f), -0.5f, 1f / 2f, 0.017f * 0);
cloudMap.Layers[2] = new CloudMapLayer(null, scale * CreateScale(3.97f), -0.5f, 1f / 4f, 0.033f * 0);
cloudMap.Layers[3] = new CloudMapLayer(null, scale * CreateScale(8.1f), -0.5f, 1f / 8f, 0.043f * 0);
cloudMap.Layers[4] = new CloudMapLayer(null, scale * CreateScale(16, 17), -0.5f, 1f / 16f, 0.051f * 0);
cloudMap.Layers[5] = new CloudMapLayer(null, scale * CreateScale(32, 31), -0.5f, 1f / 32f, 0.059f * 0);
cloudMap.Layers[6] = new CloudMapLayer(null, scale * CreateScale(64, 67), -0.5f, 1f / 64f, 0.067f * 0);
cloudMap.Layers[7] = new CloudMapLayer(null, scale * CreateScale(128, 127), -0.5f, 1f / 128f, 0.081f * 0);
_cloudLayerNode = new CloudLayerNode(cloudMap)
{
ForwardScatterScale = 2.5f,
ForwardScatterOffset = 0.3f,
TextureMatrix = CreateScale(0.5f),
SkyCurvature = 0.9f,
NumberOfSamples = 16,
};
_ephemeris = new Ephemeris();
// Approx. location of Ternberg: Latitude = 48, Longitude = 15, Altitude = 300
_ephemeris.Latitude = 0;
_ephemeris.Longitude = 15;
_ephemeris.Altitude = 300;
#if XBOX
//_time = new DateTime(2013, 5, 1, 17, 17, 0, 0);
_time = DateTime.Now;
#else
_time = new DateTimeOffset(2013, 5, 1, 12, 0, 0, 0, TimeSpan.Zero);
//_time = DateTimeOffset.UtcNow;
#endif
UpdateEphemeris();
_milkyWaySkybox.DrawOrder = 0;
_starfield.DrawOrder = 1;
_sun.DrawOrder = 2;
_moon.DrawOrder = 3;
_scatteringSky.DrawOrder = 4;
_gradientSky.DrawOrder = 4;
_gradientTextureSky.DrawOrder = 4;
_cloudLayerNode.DrawOrder = 5;
_skyNodes = new SceneNode[]
{
_milkyWaySkybox,
_starfield,
_sun,
_moon,
_scatteringSky,
//_gradientSky,
//_gradientTextureSky,
_cloudLayerNode,
};
var graphicsDevice = GraphicsService.GraphicsDevice;
_skybox = new SkyboxNode(
new RenderTargetCube(graphicsDevice, 512, false, SurfaceFormat.Color, DepthFormat.None))
{
Encoding = ColorEncoding.Rgbm,
};
_hdrFilter = new HdrFilter(GraphicsService)
{
MinExposure = 0.5f,
MaxExposure = 2,
BloomIntensity = 1,
BloomThreshold = 0.6f,
AdaptionSpeed = 100,
};
_colorEncoder = new ColorEncoder(GraphicsService)
{
SourceEncoding = ColorEncoding.Rgb,
TargetEncoding = _skybox.Encoding,
};
}
private void button1_Click(object sender, EventArgs e)
{
switch (listBox1.SelectedItem)
{
case "SkyboxNode":
string sn_skybox = "Content/skybox.png";
InputBoxes.ShowInputDialog(ref sn_skybox, "Skybox");
SkyboxNode node = SkyboxNode.Create(new Bitmap(Image.FromFile(sn_skybox)));
node.Name = "NewSkybox";
node.Parent = nodebase;
break;
case "TextBillboardNode":
string sn_billboard = "Hello World!";
TextBillboardNode textBillboardNode = TextBillboardNode.Create(200, 40, 65535);
textBillboardNode.Name = "NewBillboard";
textBillboardNode.Parent = nodebase;
textBillboardNode.Text = sn_billboard;
textBillboardNode.EnableRendering = ThreeFlags.None;
break;
case "CubeNode":
CubeNode cube = CubeNode.Create();
cube.Name = "NewCube";
cube.Parent = nodebase;
break;
case "ShadowVolumeNode":
CubeModel model = new CubeModel();
string sv_pos = CubeModel.strPosition;
string sv_normal = "0 0 0";
InputBoxes.ShowInputDialog(ref sv_pos, "Volume Position");
InputBoxes.ShowInputDialog(ref sv_pos, "Volume Normal");
ShadowVolumeNode shadow = ShadowVolumeNode.Create(model, sv_pos, sv_normal, new vec3(1, 1, 1));
shadow.Name = "NewLight";
shadow.Parent = nodebase;
break;
case "TerrainNode":
TerrainNode terrain = TerrainNode.Create();
terrain.Parent = nodebase;
terrain.Name = "NewTerrain";
break;
case "SpotLightNode":
CubeModel sp_model = new CubeModel();
string sp_pos = "0 0 0";
string sp_target = "0 0 0";
InputBoxes.ShowInputDialog(ref sp_pos, "Volume Position");
InputBoxes.ShowInputDialog(ref sp_target, "Volume Target");
string[] sppositions_STR = sp_pos.Split(' ');
vec3 sp_posv = new vec3(float.Parse(sppositions_STR[0]), float.Parse(sppositions_STR[1]), float.Parse(sppositions_STR[2]));
string[] sptarget_STR = sp_target.Split(' ');
vec3 sp_tarv = new vec3(float.Parse(sptarget_STR[0]), float.Parse(sptarget_STR[1]), float.Parse(sptarget_STR[2]));
SpotLight spotlight = new SpotLight(sp_posv, sp_tarv, 45);
SpotLightNode spotlightnode = SpotLightNode.Create(spotlight, sp_model, sp_pos, sp_pos, new vec3(1, 1, 1));
spotlightnode.Parent = nodebase;
spotlightnode.Name = "NewSpotlight";
lastspotlight = spotlight;
break;
case "CubeLightTestNode":
CubeLightTestNode cubeLightTest = CubeLightTestNode.Create();
cubeLightTest.Parent = nodebase;
cubeLightTest.Name = "NewCubeLightTest";
cubeLightTest.SetLight(lastspotlight);
break;
}
src_form.Match(src_form.treeView, nodebase);
AudioSystem.PlayAudio("GameSounds/clickfast.wav");
Close();
}
protected override void OnLoad()
{
_inputService = _services.GetInstance <IInputService>();
_graphicsService = _services.GetInstance <IGraphicsService>();
_scene = _services.GetInstance <IScene>();
var content = _services.GetInstance <ContentManager>();
var gameObjectService = _services.GetInstance <IGameObjectService>();
_cameraObject = (CameraObject)gameObjectService.Objects["Camera"];
// This scene node is used as the parent of all other scene nodes created here.
_groupNode = new SceneNode
{
Name = "ScatteringSkyGroup",
Children = new SceneNodeCollection()
};
_scene.Children.Add(_groupNode);
// Add a skybox with milky way cube map.
_milkyWayNode = new SkyboxNode(content.Load <TextureCube>("Sky/MilkyWay"))
{
Color = new Vector3F(MilkyWayLightScale),
};
_groupNode.Children.Add(_milkyWayNode);
// Add a starfield with all visible stars from a star catalog.
InitializeStarfield();
_groupNode.Children.Add(_starfieldNode);
// Add a node which draws a sun disk.
_sunNode = new SkyObjectNode
{
GlowExponent0 = 4000,
};
_groupNode.Children.Add(_sunNode);
// Add a node which draws a moon texture including moon phase.
_moonNode = new SkyObjectNode
{
Texture = new PackedTexture(content.Load <Texture2D>("Sky/Moon")),
LightWrap = 0.1f,
LightSmoothness = 1,
AngularDiameter = new Vector2F(MathHelper.ToRadians(5)),
// Disable glow.
GlowColor0 = new Vector3F(0),
GlowColor1 = new Vector3F(0),
};
_groupNode.Children.Add(_moonNode);
// Add a ScatteringSky which renders the sky colors using a physically-based model.
_scatteringSkyNode = new ScatteringSkyNode
{
SunIntensity = 1,
// Set a base color to get a dark blue instead of a pitch black night.
BaseHorizonColor = new Vector3F(0.043f, 0.090f, 0.149f) * 0.01f,
BaseZenithColor = new Vector3F(0.024f, 0.051f, 0.102f) * 0.01f,
BaseColorShift = 0.5f
};
_groupNode.Children.Add(_scatteringSkyNode);
if (_enableCloudLayer)
{
// Add a CloudLayerNode which renders dynamic clouds.
// This layer represents dense, lit clouds at low altitude.
_cloudMap0 = new LayeredCloudMap
{
Density = 15,
Coverage = 0.5f,
Size = 2048,
};
_cloudLayerNode0 = new CloudLayerNode(_cloudMap0)
{
SkyCurvature = 0.9f,
TextureMatrix = CreateScale(0.5f),
ForwardScatterExponent = 10,
ForwardScatterScale = 10f,
ForwardScatterOffset = 0.3f,
NumberOfSamples = 16,
HorizonFade = 0.03f,
};
// Define the layers which are combined to a single CloudMap.Texture in the CloudMapRenderer.
var scale = CreateScale(0.2f);
float animationScale = 0.01f;
animationScale = 0; // Uncomment to enable formation and dissolution of clouds.
_cloudMap0.Layers[0] = new CloudMapLayer(null, scale * CreateScale(1), -0.5f, 1, 1 * animationScale);
_cloudMap0.Layers[1] = new CloudMapLayer(null, scale * CreateScale(1.7f), -0.5f, 1f / 2f, 5 * animationScale);
_cloudMap0.Layers[2] = new CloudMapLayer(null, scale * CreateScale(3.97f), -0.5f, 1f / 4f, 13 * animationScale);
_cloudMap0.Layers[3] = new CloudMapLayer(null, scale * CreateScale(8.1f), -0.5f, 1f / 8f, 27 * animationScale);
_cloudMap0.Layers[4] = new CloudMapLayer(null, scale * CreateScale(16, 17), -0.5f, 1f / 16f, 43 * animationScale);
_cloudMap0.Layers[5] = new CloudMapLayer(null, scale * CreateScale(32, 31), -0.5f, 1f / 32f, 77 * animationScale);
_cloudMap0.Layers[6] = new CloudMapLayer(null, scale * CreateScale(64, 67), -0.5f, 1f / 64f,
127 * animationScale);
_cloudMap0.Layers[7] = new CloudMapLayer(null, scale * CreateScale(128, 127), -0.5f, 1f / 64f,
200 * animationScale);
_groupNode.Children.Add(_cloudLayerNode0);
// Add a second CloudLayerNode which renders dynamic clouds.
// This layer represents light clouds at high altitude.
_cloudMap1 = new LayeredCloudMap
{
Density = 2,
Coverage = 0.4f,
Size = 1024,
Seed = 77777,
};
_cloudLayerNode1 = new CloudLayerNode(_cloudMap1)
{
SkyCurvature = 0.9f,
TextureMatrix = CreateScale(0.5f),
ForwardScatterExponent = 10,
ForwardScatterScale = 10f,
ForwardScatterOffset = 0f,
NumberOfSamples = 0, // No samples to disable lighting calculations.
HorizonFade = 0.03f,
Alpha = 0.5f, // Make these clouds more transparent.
};
scale = CreateScale(0.25f);
_cloudMap1.Layers[0] = new CloudMapLayer(null, scale * CreateScale(1), -0.5f, 1, 0);
_cloudMap1.Layers[1] = new CloudMapLayer(null, scale * CreateScale(1.7f), -0.5f, 1f / 2f, 0);
_cloudMap1.Layers[2] = new CloudMapLayer(null, scale * CreateScale(3.97f), -0.5f, 1f / 4f, 0);
_cloudMap1.Layers[3] = new CloudMapLayer(null, scale * CreateScale(8.1f), -0.5f, 1f / 8f, 0);
_cloudMap1.Layers[4] = new CloudMapLayer(null, scale * CreateScale(16, 17), -0.5f, 1f / 16f, 0);
_cloudMap1.Layers[5] = new CloudMapLayer(null, scale * CreateScale(32, 31), -0.5f, 1f / 32f, 0);
_cloudMap1.Layers[6] = new CloudMapLayer(null, scale * CreateScale(64, 67), -0.5f, 1f / 64f, 0);
_cloudMap1.Layers[7] = new CloudMapLayer(null, scale * CreateScale(128, 127), -0.5f, 1f / 128f, 0);
_groupNode.Children.Add(_cloudLayerNode1);
}
// The following scene nodes inherit from SkyNode and are rendered by a SkyRenderer
// in the DeferredLightingScreen. We have to set the DrawOrder to render them from
// back to front.
_milkyWayNode.DrawOrder = 0;
_starfieldNode.DrawOrder = 1;
_sunNode.DrawOrder = 2;
_moonNode.DrawOrder = 3;
_scatteringSkyNode.DrawOrder = 4;
if (_enableCloudLayer)
{
_cloudLayerNode1.DrawOrder = 5;
_cloudLayerNode0.DrawOrder = 6;
}
// Add an ambient light.
var ambientLight = new AmbientLight
{
HemisphericAttenuation = 1,
};
_ambientLightNode = new LightNode(ambientLight)
{
Name = "Ambient",
};
_groupNode.Children.Add(_ambientLightNode);
// Add a directional light for the sun.
_sunlightNode = new LightNode(new DirectionalLight())
{
Name = "Sunlight",
Priority = 10, // This is the most important light.
// This light uses Cascaded Shadow Mapping.
Shadow = new CascadedShadow
{
PreferredSize = 1024,
DepthBiasScale = new Vector4F(0.99f),
DepthBiasOffset = new Vector4F(0),
FadeOutDistance = 20,
MaxDistance = 30,
MinLightDistance = 100,
ShadowFog = 0.5f,
JitterResolution = 3000,
SplitDistribution = 0.7f
}
};
_groupNode.Children.Add(_sunlightNode);
// Add a directional light for the moonlight.
_moonlightNode = new LightNode(new DirectionalLight())
{
Name = "Moonlight",
Priority = 5,
};
_groupNode.Children.Add(_moonlightNode);
// The Ephemeris class computes the positions of the sun and the moon as seen
// from any place on the earth.
_ephemeris = new Ephemeris();
// Seattle, Washington
_ephemeris.Latitude = 47;
_ephemeris.Longitude = 122;
_ephemeris.Altitude = 100;
#if XBOX
_time = DateTime.Now;
#else
_time = DateTimeOffset.Now;
#endif
// Update the positions of sky objects and the lights.
UpdateSky();
}
//--------------------------------------------------------------
#region Methods
//--------------------------------------------------------------
protected override void OnLoad()
{
// Get services.
_inputService = _services.GetInstance <IInputService>();
_graphicsService = _services.GetInstance <IGraphicsService>();
_scene = _services.GetInstance <IScene>();
var content = _services.GetInstance <ContentManager>();
var gameObjectService = _services.GetInstance <IGameObjectService>();
// Get camera game object.
_cameraObject = (CameraObject)gameObjectService.Objects["Camera"];
// Create SkyNodes.
InitializeSky(content);
// Create LightNodes
InitializeLights();
// Optionally, the sky is captured into a cube map and the cube map is added
// to the scene instead of all the sky nodes.
if (_cacheSky)
{
// We use a SceneCaptureNode to create the cube map.
// The cube map uses RGBM encoding to store HDR values.
var renderToTexture = new RenderToTexture
{
Texture = new RenderTargetCube(
_graphicsService.GraphicsDevice, 1024, false,
SurfaceFormat.Color, DepthFormat.None),
};
var projection = new PerspectiveProjection();
projection.SetFieldOfView(ConstantsF.PiOver2, 1, 1, 10);
_sceneCaptureNode = new SceneCaptureNode(renderToTexture)
{
// Note: The scene is captured at the origin (0, 0, 0).
CameraNode = new CameraNode(new Camera(projection)),
};
SkyboxNode = new SkyboxNode
{
Encoding = ColorEncoding.Rgbm,
Texture = (TextureCube)renderToTexture.Texture,
};
_scene.Children.Add(SkyboxNode);
}
// The Ephemeris class computes the positions of the sun and the moon as seen
// from any place on the earth.
_ephemeris = new Ephemeris
{
// Seattle, Washington
//Latitude = 47,
//Longitude = 122,
//Altitude = 100
// Vienna
//Latitude = 48,
//Longitude = -16,
//Altitude = 0
// Equator
Latitude = 0,
Longitude = 90,
Altitude = 0
};
#if XBOX
_time = DateTime.Now;
#else
_time = DateTimeOffset.Now;
#endif
// Update the positions of sky objects and the lights.
UpdateSky();
// Create cube map.
if (_cacheSky)
{
UpdateCubeMap(TimeSpan.Zero);
}
}
