/// <summary>
/// Renders sky with specified technique
/// </summary>
/// <param name="rendCtxt"></param>
/// <param name="techName"></param>
public void Render(GameTime gameTime, DepthStencilSurface depthBuffer, RenderTargetSurface hdrTarget, Matrix view, Matrix projection, RenderTarget2D cloudTarget, RenderTarget2D smallerCloudTarget)
{
var camera = Game.GetService <Camera>();
var scale = Matrix.Scaling(Params.SkySphereSize);
var rotation = Matrix.Identity;
var sunPos = GetSunDirection();
var sunColor = GetSunGlowColor();
rs.ResetStates();
//rs.DepthStencilState = depthBuffer==null? DepthStencilState.None : DepthStencilState.Default ;
rs.SetViewport(0, 0, hdrTarget.Width, hdrTarget.Height);
rs.SetTargets(depthBuffer, hdrTarget);
var viewMatrix = view;
var projMatrix = projection;
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation(viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = sunColor;
skyConstsData.Turbidity = Params.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get(Params.SunTemperature);
skyConstsData.SkyIntensity = Params.SkyIntensity;
skyConstsCB.SetData(skyConstsData);
rs.VertexShaderConstants[0] = skyConstsCB;
rs.PixelShaderConstants[0] = skyConstsCB;
//
// Sky :
//
SkyFlags flags = SkyFlags.PROCEDURAL_SKY;
ApplyColorSpace(ref flags);
rs.PipelineState = factory[(int)flags];
for (int j = 0; j < skySphere.Meshes.Count; j++)
{
var mesh = skySphere.Meshes[j];
rs.SetupVertexInput(vertexBuffers[j], indexBuffers[j]);
rs.DrawIndexed(mesh.IndexCount, 0, 0);
}
//
// Clouds :
//
scale = Matrix.Scaling(Params.SkySphereSize, Params.SkySphereSize, Params.SkySphereSize);
//scale = Matrix.Scaling( Params.SkySphereSize, Params.SkySphereSize * 0.1f, Params.SkySphereSize );
skyConstsData.MatrixWVP = scale * rotation * MathUtil.Transformation(viewMatrix.Right, viewMatrix.Up, viewMatrix.Backward) * projMatrix;
skyConstsData.SunPosition = sunPos;
skyConstsData.SunColor = GetSunLightColor();
skyConstsData.Turbidity = Params.SkyTurbidity;
skyConstsData.Temperature = Temperature.Get(Params.SunTemperature);
skyConstsData.SkyIntensity = Params.SkyIntensity;
skyConstsData.Ambient = GetAmbientLevel().ToVector3();
skyConstsData.Time = (float)gameTime.Total.TotalSeconds;
skyConstsCB.SetData(skyConstsData);
rs.SetTargets(depthBuffer, hdrTarget);
// rs.SetTargets( null, cloudTarget.Surface );
flags = SkyFlags.CLOUDS;
//int i = 0;
for (int i = 0; i < 3; i++)
{
if (i == 0)
{
flags = SkyFlags.CLOUDS | SkyFlags.A | SkyFlags.RED;
}
if (i == 1)
{
flags = SkyFlags.CLOUDS | SkyFlags.B | SkyFlags.GREEN;
}
if (i == 2)
{
flags = SkyFlags.CLOUDS | SkyFlags.C | SkyFlags.BLUE;
}
ApplyColorSpace(ref flags);
rs.PipelineState = factory[(int)flags];
rs.PixelShaderResources[0] = clouds;
rs.PixelShaderResources[1] = cirrus;
rs.PixelShaderResources[2] = noise;
rs.PixelShaderResources[3] = arrows;
rs.PixelShaderSamplers[0] = SamplerState.AnisotropicWrap;
for (int j = 0; j < cloudSphere.Meshes.Count; j++)
{
var mesh = cloudSphere.Meshes[j];
rs.SetupVertexInput(cloudVertexBuffers[j], cloudIndexBuffers[j]);
rs.DrawIndexed(mesh.IndexCount, 0, 0);
}
}
#if false
//Blur
var filter = Game.GetService <Filter>();
//filter.RadialBlur(smallerCloudTarget.Surface, cloudTarget, new Vector2(0.5f, 0.5f), 1.0f, -0.2f);
//if(Game.InputDevice.IsKeyDown(Keys.LeftButton))
//{
Vector4 sunProj = Vector4.Transform(new Vector4(sunPos, 0), viewMatrix);
sunProj = Vector4.Transform(sunProj, projMatrix);
sunProj = new Vector4(sunProj.X / sunProj.W, sunProj.Y / sunProj.W, sunProj.Z / sunProj.W, 1);
Vector2 relSunPosition = new Vector2(0.5f, 0.5f);
//if ( Math.Abs(sunProj.X ) < 1 && Math.Abs (sunProj.Y) < 1){
relSunPosition = new Vector2((sunProj.X + 1) / 2, -(sunProj.Y - 1) / 2);
//}
//Log.Message(relSunPosition + "");
filter.RadialBlur(smallerCloudTarget.Surface, cloudTarget, relSunPosition, 1.0f, -0.2f);
//}
flags = SkyFlags.BLUR_CLOUD;
skyConstsData.MatrixWVP = Matrix.Identity;
skyConstsCB.SetData(skyConstsData);
rs.SetTargets(null, hdrTarget);
ApplyColorSpace(ref flags);
rs.VertexShaderConstants[0] = skyConstsCB;
rs.PixelShaderConstants[0] = skyConstsCB;
rs.PipelineState = factory[(int)flags];
rs.PixelShaderResources[4] = cloudTarget;
rs.PixelShaderSamplers[1] = SamplerState.LinearWrap;
var v0 = new VertexColorTextureTBN {
Position = new Vector3(-1.0f, -1.0f, 0), TexCoord = new Vector2(0, 1),
};
var v1 = new VertexColorTextureTBN {
Position = new Vector3(1.0f, 1.0f, 0), TexCoord = new Vector2(1, 0),
};
var v2 = new VertexColorTextureTBN {
Position = new Vector3(-1.0f, 1.0f, 0), TexCoord = new Vector2(0, 0),
};
var v3 = new VertexColorTextureTBN {
Position = new Vector3(-1.0f, -1.0f, 0), TexCoord = new Vector2(0, 1),
};
var v4 = new VertexColorTextureTBN {
Position = new Vector3(1.0f, -1.0f, 0), TexCoord = new Vector2(1, 1),
};
var v5 = new VertexColorTextureTBN {
Position = new Vector3(1.0f, 1.0f, 0), TexCoord = new Vector2(1, 0),
}; //*/
var data = new VertexColorTextureTBN[] { v0, v1, v2, v3, v4, v5 };
//Log.Message(""+v0.TexCoord);
vertexBufferBlur.SetData(data, 0, 6);
//for ( int j=0; j<cloudSphere.Meshes.Count; j++) {
// var mesh = cloudSphere.Meshes[j];
// rs.SetupVertexInput( cloudVertexBuffers[j], cloudIndexBuffers[j] );
// rs.DrawIndexed( mesh.IndexCount, 0, 0 );
// }
rs.SetupVertexInput(vertexBufferBlur, null);
rs.Draw(6, 0);
#endif
rs.ResetStates();
}
/// <summary>
///
/// </summary>
void LoadContent()
{
SafeDispose(ref factory);
SafeDispose(ref vertexBuffers);
SafeDispose(ref indexBuffers);
surfaceShader = Game.Content.Load <Ubershader>("surface");
factory = new StateFactory(surfaceShader, typeof(SurfaceFlags), Primitive.TriangleList, VertexInputElement.FromStructure <VertexColorTextureTBN>());
scene = Game.Content.Load <Scene>(@"Scenes\testScene");
vertexBuffers = scene.Meshes
.Select(mesh => VertexBuffer.Create(Game.GraphicsDevice, mesh.Vertices.Select(v => VertexColorTextureTBN.Convert(v)).ToArray()))
.ToArray();
indexBuffers = scene.Meshes
.Select(mesh => IndexBuffer.Create(Game.GraphicsDevice, mesh.GetIndices()))
.ToArray();
surfaceProps = scene.Materials
.Select(mtrl => new SurfaceProperties()
{
Diffuse = LoadTexture2D(mtrl.TexturePath, "|srgb", defaultDiffuse),
Specular = LoadTexture2D(mtrl.TexturePath, "_spec", defaultSpecular),
NormalMap = LoadTexture2D(mtrl.TexturePath, "_local", defaultNormalMap),
Emission = LoadTexture2D(mtrl.TexturePath, "_glow|srgb", defaultEmission),
})
.ToArray();
}
/// <summary>
///
/// </summary>
void LoadContent()
{
SafeDispose(ref factory);
skySphere = Game.Content.Load <Scene>("skySphere");
cloudSphere = Game.Content.Load <Scene>("cloudSphere");
clouds = Game.Content.Load <Texture2D>("clouds|srgb");
cirrus = Game.Content.Load <Texture2D>("cirrus|srgb");
noise = Game.Content.Load <Texture2D>("cloudNoise");
arrows = Game.Content.Load <Texture2D>("arrowsAll");
vertexBufferBlur = new VertexBuffer(Game.GraphicsDevice, typeof(VertexColorTextureTBN), 6);
vertexBuffers = skySphere.Meshes
.Select(mesh => VertexBuffer.Create(Game.GraphicsDevice, mesh.Vertices.Select(v => VertexColorTextureTBN.Convert(v)).ToArray()))
.ToArray();
indexBuffers = skySphere.Meshes
.Select(mesh => IndexBuffer.Create(Game.GraphicsDevice, mesh.GetIndices()))
.ToArray();
cloudVertexBuffers = cloudSphere.Meshes
.Select(mesh => VertexBuffer.Create(Game.GraphicsDevice, mesh.Vertices.Select(v => VertexColorTextureTBN.Convert(v)).ToArray()))
.ToArray();
cloudIndexBuffers = cloudSphere.Meshes
.Select(mesh => IndexBuffer.Create(Game.GraphicsDevice, mesh.GetIndices()))
.ToArray();
sky = Game.Content.Load <Ubershader>("sky");
factory = new StateFactory(sky, typeof(SkyFlags), (ps, i) => EnumFunc(ps, (SkyFlags)i));
}
