public void Render()
{
List <Light> lights = Engine.Game.CurrentScene.GetClosestLights(this.gameObject, RenderingPool.MAX_LIGHTS);
if (lights != null)
{
IntUniform lightsCount = Engine.UniformManager.GetUniform <IntUniform>("lightsCount");
lightsCount.Value = lights.Count;
lightsCount.Set(this.GetShader());
for (int i = 0; i < lights.Count; i++)
{
lights[i].Bind(this.GetShader(), i);
}
}
foreach (Mesh mesh in this.Model.Meshes)
{
Matrix4 transformMatrix = this.gameObject.Transform.GetLocalToWorldMatrix();
if (mesh.LocalMatrix != Matrix4.Identity)
{
transformMatrix = mesh.LocalMatrix * transformMatrix;
}
Matrix3Uniform normalMatrixUniform = Engine.UniformManager.GetUniform <Matrix3Uniform>("normalMatrix");
normalMatrixUniform.Matrix = Matrix3.Transpose(new Matrix3(transformMatrix.Inverted()));
normalMatrixUniform.Set(this.GetShader());
foreach (Mesh.Primitive primitive in mesh.Primitives)
{
// Bind vertex buffer and array objects
this.vertexBuffers[primitive.GUID].Bind();
this.vertexArrays[primitive.GUID].Bind();
// Upload vertices to GPU and draw them
this.vertexBuffers[primitive.GUID].BufferData();
// Bind primitive Material
Model.Materials[primitive.MaterialModelId].Bind(this.GetShader());
if (primitive.Indices.Count == 0)
{
this.vertexBuffers[primitive.GUID].Draw();
}
else
{
GL.BindBuffer(BufferTarget.ElementArrayBuffer, this.glBufferIds[primitive.GUID]);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(primitive.Indices.Count * sizeof(ushort)), primitive.Indices.ToArray(), BufferUsageHint.DynamicDraw);
GL.DrawElements(PrimitiveType.Triangles, primitive.Indices.Count, DrawElementsType.UnsignedShort, (IntPtr)0);
}
}
}
this.UpdateAllVertexBuffers();
}
public TerrainShader(IOpenGL33 gl)
{
vertexShader = new VertexShader(gl, GetEmbeddedResourceAsString("VertexShader.vs"));
fragmentShader = new FragmentShader(gl, GetEmbeddedResourceAsString("FragmentShader.fs"));
var p = new ModGL.ObjectModel.Shaders.Program(gl, vertexShader, fragmentShader);
p.BindVertexAttributeLocations(PositionNormalTexCoord.Descriptor);
// Bind output fragment to the specified nme
gl.BindFragDataLocation(p.Handle, 0, "Color");
// Compile program and shaders
p.Compile();
program = p;
// Get the uniforms used by the shader program.
diffuseUniform = p.GetUniform<Vector4fUniform, Vector4f>("DiffuseColor");
modelViewProjection = p.GetUniform<MatrixUniform, Matrix4f>("ModelViewProjection");
viewProjection = p.GetUniform<MatrixUniform, Matrix4f>("ViewProjection");
textureUnitUniform = p.GetUniform<IntUniform, int>("Texture");
}
public IntUniformViewModel(IntUniform uniform)
: base(uniform)
{
}
internal TextureUniform(IntUniform uniform)
{
_uniform = uniform;
_name = uniform.Name;
}
