public void ApplyMaterials(ComposedShader shader)
{
List <Material> materials;
Appearance appearance;
materials = new List <Material>();
appearance = this.ItemsByType <Appearance>().FirstOrDefault();
if (appearance != null)
{
materials = appearance.ItemsByType <Material>();
}
shader.SetFieldValue("materialsEnabled", materials.Any() ? 1 : 0);
if (materials.Any())
{
}
else
{
//shaderMaterials.Add(new ShaderMaterial()
//{
// ambientIntensity = 0.1f,
// diffuseColor = new Vector4(0,0,0,0),
// emissiveColor = new Vector4(0,0,0,0),
// specularColor = new Vector4(1, 1, 1, 1),
// transparency = 1.0f,
// shininess = 0.2f
//});
}
shader.SetFieldValue("materialsCount", shaderMaterials.Count);
Buffering.BufferMaterials(shader, shaderMaterials, "materials");
}
public void EnableRendering(Vector3 origin)
{
Vector3[] lineColors;
int[] lineIndicies;
bboxShader = ShaderCompiler.BuildDefaultShader();
bboxShader.Link();
lineColors = null;
lineIndicies = null;
lines(LineColor, 12, out lineColors, out lineIndicies);
_geo = new Box.BoxGeometry();
_pack = new PackedGeometry();
_pack.Coloring = true;
_pack._indices = _geo.Indices;
_pack._coords = _geo.Vertices;
_pack.color = X3DTypeConverters.Vec3ToFloatArray(lineColors);
_pack._colorIndicies = lineIndicies;
_pack.restartIndex = -1;
_pack.Interleave();
_handle = _pack.CreateHandle();
renderingEnabled = _handle.HasGeometry;
InitBoundaryPoints(origin);
}
public override void Load()
{
base.Load();
parentShader = GetParent <ComposedShader>();
parentProtoInterface = GetParent <ProtoInterface>();
if (parentShader != null)
{
parentShader.Fields.Add(this);
}
}
public void IncludeTesselationShaders(string tessControlShaderSource, string tessEvalShaderSource,
string geometryShaderSource)
{
CurrentShader = ShaderCompiler.ApplyShader(DefaultShader.vertexShaderSource,
DefaultShader.fragmentShaderSource,
tessControlShaderSource,
tessEvalShaderSource,
geometryShaderSource);
//IncludeComposedShader(CurrentShader);
}
public void IncludeComposedShader(ComposedShader shader)
{
shader.Link();
shader.Use();
CurrentShader = shader;
RefreshDefaultUniforms(shader);
if (shader.IsTessellator)
{
RefreshTessUniforms(shader);
}
ComposedShaders.Add(shader);
}
public void RefreshDefaultUniforms(ComposedShader shader = null)
{
if (shader == null)
{
shader = CurrentShader;
}
if (shader.HasErrors)
{
return;
}
//uniforms.a_position = GL.GetAttribLocation(shader.ShaderHandle, "position");
//uniforms.a_normal = GL.GetAttribLocation(shader.ShaderHandle, "normal");
//uniforms.a_color = GL.GetAttribLocation(shader.ShaderHandle, "color");
//uniforms.a_texcoord = GL.GetAttribLocation(shader.ShaderHandle, "texcoord");
uniforms.a_coloringEnabled = GL.GetUniformLocation(shader.ShaderHandle, "coloringEnabled");
uniforms.a_texturingEnabled = GL.GetUniformLocation(shader.ShaderHandle, "texturingEnabled");
uniforms.sampler = GL.GetUniformLocation(shader.ShaderHandle, "_MainTex");
}
public void RefreshTessUniforms(ComposedShader shader = null)
{
if (shader == null)
{
shader = CurrentShader;
}
if (shader.HasErrors)
{
return;
}
Uniforms.Modelview = GL.GetUniformLocation(shader.ShaderHandle, "modelview");
Uniforms.Projection = GL.GetUniformLocation(shader.ShaderHandle, "projection");
Uniforms.NormalMatrix = GL.GetUniformLocation(shader.ShaderHandle, "normalmatrix");
Uniforms.LightPosition = GL.GetUniformLocation(shader.ShaderHandle, "LightPosition");
Uniforms.AmbientMaterial = GL.GetUniformLocation(shader.ShaderHandle, "AmbientMaterial");
Uniforms.DiffuseMaterial = GL.GetUniformLocation(shader.ShaderHandle, "DiffuseMaterial");
//Uniforms.TessLevelInner = GL.GetUniformLocation(shader.ShaderHandle, "TessLevelInner");
//Uniforms.TessLevelOuter = GL.GetUniformLocation(shader.ShaderHandle, "TessLevelOuter");
}
public override void PreRenderOnce(RenderingContext rc)
{
base.PreRenderOnce(rc);
if (typeof(Text).IsInstanceOfType(geometry))
{
// 2D Text Shader, used to apply transparancy. Since alpha blending didnt work transparent background
IncludeDefaultShader(ColorReplaceShader.vertexShaderSource,
ColorReplaceShader.fragmentShaderSource);
}
else if (typeof(Sphere).IsInstanceOfType(geometry))
{
// TESSELLATION
IncludeTesselationShaders(TriangleTessShader.tessControlShader,
TriangleTessShader.tessEvalShader,
TriangleTessShader.geometryShaderSource);
//CurrentShader.SetFieldValue("spherical", 1);
}
else
{
CurrentShader = ShaderCompiler.BuildDefaultShader();
}
if (ComposedShaders.Any())
{
CurrentShader = ComposedShaders.First();
}
CurrentShader.Link();
CurrentShader.Use();
CollectMaterials();
RefreshDefaultUniforms();
Geometry(rc);
}
private void Geometry(RenderingContext rc)
{
if (geometry == null)
{
geometry = (X3DGeometryNode)this.Children.First(n => (typeof(X3DGeometryNode)).IsInstanceOfType(n));
}
if (geometry != null)
{
//TODO: refactor geometry interleaving code and make it callable here
//TODO: should then be able to calculate bounding boxes of arbitrary geometry here
geometry.CollectGeometry(rc, out _handle, out bbox, out coloring, out texturing);
// BUFFER GEOMETRY
if (_handle.NumVerticies3 > 0)
{
// use CurrentShader
}
if (_handle.NumVerticies4 > 0)
{
quadShader = ShaderCompiler.CreateNewInstance(CurrentShader, true);
}
loadedGeometry = _handle.HasGeometry;
if (drawBoundingBox && bbox != null)
{
bbox.EnableRendering(GetPosition(rc));
}
}
}
//[XmlIgnore]
//public string ShaderSource;
#region Rendering Methods
public override void Load()
{
base.Load();
parentShape = GetParent <Shape>();
parentShader = GetParent <ComposedShader>();
string file;
string[] mf_urls;
if (!string.IsNullOrEmpty(ShaderSource))
{
LinkShaderSource(ShaderSource);
}
else if (Urls != null)
{
file = Urls.FirstOrDefault();
if (!string.IsNullOrEmpty(file))
{
_url = _url.TrimStart();
if (_url.StartsWith(X3DTypeConverters.DATA_TEXT_PLAIN))
{
ShaderSource = _url.Remove(0, X3DTypeConverters.DATA_TEXT_PLAIN.Length).TrimStart();
LinkShaderSource(ShaderSource);
}
else
{
file = file.Replace("\"", "");
file = SceneManager.CurrentLocation + "\\" + file;
if (X3DTypeConverters.IsMFString(file))
{
object resource;
mf_urls = X3DTypeConverters.GetMFString(file);
foreach (string url in mf_urls)
{
if (SceneManager.FetchSingle(url, out resource))
{
Stream s;
s = (Stream)resource;
StreamReader sr = new StreamReader(s);
ShaderSource = sr.ReadToEnd();
s.Close();
break;
}
}
}
else
{
ShaderSource = File.ReadAllText(file);
LinkShaderSource(ShaderSource);
}
}
}
}
}
public override void Load()
{
base.Load();
int i;
int a, b;
PackedGeometry _pack;
cubeHandle = GeometryHandle.Zero;
innerHandle = GeometryHandle.Zero;
outerHandle = GeometryHandle.Zero;
generateCube = !(string.IsNullOrEmpty(frontUrl) || string.IsNullOrEmpty(backUrl) ||
string.IsNullOrEmpty(topUrl) || string.IsNullOrEmpty(bottomUrl) ||
string.IsNullOrEmpty(leftUrl) || string.IsNullOrEmpty(rightUrl));
//TODO: replace cube sides that arent available with transparent sides
generateSkyAndGround = !(string.IsNullOrEmpty(groundColor) || string.IsNullOrEmpty(skyColor) ||
string.IsNullOrEmpty(groundAngle) || string.IsNullOrEmpty(skyAngle));
// TODO: later render both skydome and skybox together
// Alpha values in skybox should provide a way to see through to skydome.
// Skycolor sphere should be slightly larger than groundcolor hemisphere
// and finally skybox should fit and be smaller than groundcolor hemisphere.
if (generateSkyAndGround)
{
// Sphere
// interpolate colors from groundColor and skyColor over hemispheres using specified sky and ground angles
this.groundColors = X3DTypeConverters.MFVec3f(groundColor);
this.groundAngles = X3DTypeConverters.Floats(groundAngle);
this.skyColors = X3DTypeConverters.MFVec3f(skyColor);
this.skyAngles = X3DTypeConverters.Floats(skyAngle);
// Assign colors with matching angles
colors = new Vector3[groundColors.Length + skyColors.Length];
for (i = 0; i < skyColors.Length; i++)
{
colors[i] = skyColors[i];
}
for (i = skyColors.Length; i < skyColors.Length + groundColors.Length; i++)
{
colors[i] = groundColors[i - skyColors.Length];
}
angles = new float[groundAngles.Length + skyAngles.Length + 2];
angles[0] = 0;
for (i = 0; i < skyAngles.Length; i++)
{
angles[i + 1] = skyAngles[i];
}
angles[skyAngles.Length + 1] = 0;
for (i = 0; i < groundAngles.Length; i++)
{
angles[i + skyAngles.Length + 2] = 1.5f + groundAngles[i];
}
groundDivisor = (1.0f / groundColors.Length) * (float)Math.PI; // how many colors divided over 90 degrees (lower hemisphere)
skyDivisor = (1.0f / groundColors.Length) * (float)Math.PI; // how many colors divided over 90 degrees (upper hemisphere)
// SKYDOME
// outer sphere (sky)
scaleSky = Vector3.One * 6.0f; // slightly bigger than ground hemisphere
_shaderOuter = ShaderCompiler.ApplyShader(BackgroundShader.vertexShaderSource, // Make use of the BackgroundShader for Skydome Linear Interpolation
BackgroundShader.fragmentShaderSource);
_shaderOuter.Link();
List <Vertex> geometryOuterSphere = BuildSphereGeometryQuads(60, Vector3.Zero, 1.0f);
Buffering.BufferShaderGeometry(geometryOuterSphere, out outerHandle.vbo4, out outerHandle.NumVerticies4);
min = Vector3.Zero;
max = Vector3.Zero;
BoundingBox.CalculateBoundingBox(geometryOuterSphere, out max, out min);
bboxOuter = max - min;
// inner hemisphere (ground)
//scaleGround = Vector3.One * 5.6f;
//_shaderInner = ShaderCompiler.ApplyShader(BackgroundShader.vertexShaderSource,
// BackgroundShader.fragmentShaderSource);
//_shaderInner.Link();
//List<Vertex> geometryInnerHemisphere = BuildHemisphereGeometryQuads(60, new Vector3(0, 0.0f,0), 1.0f, false);
//Buffering.BufferShaderGeometry(geometryInnerHemisphere, out innerHandle.vbo4, out innerHandle.NumVerticies4);
//min = Vector3.Zero;
//max = Vector3.Zero;
//BoundingBox.CalculateBoundingBox(geometryInnerHemisphere, out max, out min);
//bboxInner = max - min;
skydomeTexture = MakeSkydomeTexture();
}
if (generateCube)
{
tex_cube = createCubeMapFromURIs();
// SKYBOX
// innermost skybox
scaleCube = Vector3.One * 3.1f;
_shaderInnerCube = ShaderCompiler.ApplyShader(CubeMapBackgroundShader.vertexShaderSource,
CubeMapBackgroundShader.fragmentShaderSource);
_shaderInnerCube.Link();
_pack = new PackedGeometry();
_pack._indices = _cube.Indices;
_pack._coords = _cube.Vertices;
_pack.Texturing = true;
//_pack._colorIndicies = _boxGeometry.Colors;
_pack._texCoords = _cube.Texcoords;
_pack.restartIndex = -1;
_pack.Interleave();
// BUFFER GEOMETRY
cubeHandle = _pack.CreateHandle();
}
}
//TODO: refactor Shader code
public void IncludeDefaultShader(string vertexShaderSource, string fragmentShaderSource)
{
CurrentShader = ShaderCompiler.ApplyShader(vertexShaderSource, fragmentShaderSource);
//IncludeComposedShader(CurrentShader);
}
public Matrix4 ApplyGeometricTransformations(RenderingContext rc, ComposedShader shader, SceneGraphNode context)
{
RefreshDefaultUniforms(shader);
//RefreshMaterialUniforms();
if (shader.IsTessellator)
{
RefreshTessUniforms(shader);
}
Matrix4 view = Matrix4.LookAt(new Vector3(4, 3, 3), // Camera is at (4,3,3), in World Space
new Vector3(0, 0, 0), // and looks at the origin
new Vector3(0, 1, 0) // Head is up (set to 0,-1,0 to look upside-down)
);
Matrix4 model; // applied transformation hierarchy
SceneGraphNode transform_context = context == null ? this : context;
List <Transform> transformationHierarchy = transform_context
.AscendantByType <Transform>()
.Select(t => (Transform)t)
.Where(t => t.Hidden == false)
.ToList();
Matrix4 modelview = Matrix4.Identity;// * rc.matricies.worldview;
// using Def_Use/Figure02.1Hut.x3d Cone and Cylinder
Vector3 x3dScale = new Vector3(0.06f, 0.06f, 0.06f); // scaling down to conform with X3D standard (note this was done manually and might need tweaking)
//x3dScale = Vector3.One;
Quaternion modelrotation = Quaternion.Identity;
Matrix4 modelLocalRotation = Matrix4.Identity;
//if (rc.cam.OrbitLocalOrientation != Vector2.Zero)
//{
// // Center of Rotation based on center of bounding box
// Quaternion qLocal = QuaternionExtensions.EulerToQuat(0, -rc.cam.OrbitLocalOrientation.X, -rc.cam.OrbitLocalOrientation.Y);
// Quaternion qAdjust = QuaternionExtensions.EulerToQuat(MathHelpers.PIOver2, 0.0f, 0.0f);
// Matrix4 mat4CenterOfRotation = Matrix4.CreateTranslation(centerOfRotation);
// Matrix4 origin = Matrix4.CreateTranslation(new Vector3(0, 0, 0));
// modelLocalRotation = mat4CenterOfRotation * Matrix4.CreateFromQuaternion(qLocal) * Matrix4.CreateFromQuaternion(qAdjust);
//}
//const float bbscale = 0.0329999961f;
Vector3 centerOffset = Vector3.Zero;
foreach (Transform transform in transformationHierarchy)
{
modelview = SceneEntity.ApplyX3DTransform(centerOffset,
Vector3.Zero,
transform.Scale,
Vector3.Zero,
transform.Translation, // * x3dScale,
modelview);
//modelview *= Matrix4.CreateTranslation(transform.Translation * x3dScale);
//modelrotation = new Quaternion(transform.Rotation.X, transform.Rotation.Y, transform.Rotation.Z, transform.Rotation.W);
//modelrotations *= Matrix4.CreateFromQuaternion(modelrotation);
//modelrotations *= MathHelpers.CreateRotation(ref modelrotation);
}
//Vector3 center = modelview.ExtractTranslation();
//Vector3 centerOffsetVector = center + (bbox.Maximum - bbox.Minimum);
//Matrix4 centerOffset = Matrix4.CreateTranslation(centerOffsetVector);
model = modelview;
Matrix4 cameraTransl = Matrix4.CreateTranslation(rc.cam.Position);
Quaternion q = rc.cam.Orientation;
Matrix4 cameraRot;
cameraRot = Matrix4.CreateFromQuaternion(q); // cameraRot = MathHelpers.CreateRotation(ref q);
Matrix4 MVP = ((modelLocalRotation * model) * cameraTransl) * cameraRot; // position and orient the Shape relative to the world and camera
//shader.SetFieldValue("size", new Vector3(bbox.Width, bbox.Height, bbox.Depth) * bbscale);
shader.SetFieldValue("modelview", ref MVP); //GL.UniformMatrix4(uniformModelview, false, ref rc.matricies.modelview);
shader.SetFieldValue("projection", ref rc.matricies.projection);
shader.SetFieldValue("camscale", rc.cam.Scale.X); //GL.Uniform1(uniformCameraScale, rc.cam.Scale.X);
shader.SetFieldValue("X3DScale", rc.matricies.Scale); //GL.Uniform3(uniformX3DScale, rc.matricies.Scale);
shader.SetFieldValue("coloringEnabled", this.coloring ? 1 : 0); //GL.Uniform1(uniforms.a_coloringEnabled, 0);
shader.SetFieldValue("texturingEnabled", this.texturingEnabled ? 1 : 0); //GL.Uniform1(uniforms.a_texturingEnabled, this.texturingEnabled ? 1 : 0);
shader.SetFieldValue("lightingEnabled", 1);
if (shader.IsBuiltIn == false)
{
shader.ApplyFieldsAsUniforms(rc);
}
return(MVP);
}
