// Render Loop
public override void Process(IDictionary <int, Entity> entities)
{
foreach (Entity entity in entities.Values)
{
MeshRenderer meshRenderer = entity.GetComponent <MeshRenderer>();
Transform transform = entity.GetComponent <Transform>();
if (RenderConfig.enableFaceCulling)
{
GL.Enable(EnableCap.CullFace);
GL.CullFace(RenderConfig.cullFaceMode);
}
else
{
GL.Disable(EnableCap.CullFace);
}
if (RenderConfig.enableDepthClamp)
{
GL.Enable(EnableCap.DepthClamp);
}
else
{
GL.Disable(EnableCap.DepthClamp);
}
if (RenderConfig.enableDepthTest)
{
GL.Enable(EnableCap.DepthTest);
}
else
{
GL.Disable(EnableCap.DepthTest);
}
if (RenderConfig.smoothLines)
{
GL.Enable(EnableCap.LineSmooth);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Hint(HintTarget.LineSmoothHint, HintMode.DontCare);
}
else
{
GL.Disable(EnableCap.LineSmooth);
GL.Disable(EnableCap.Blend);
}
Matrix4 modelViewMat = transform.worldMat * RenderConfig.camera.ViewMatrix;
if (meshRenderer.renderState.doClipping)
{
if ((transform.AbsolutePosition() - RenderConfig.camera.Transform.Position).Length > meshRenderer.renderState.clipDistance)
{
meshRenderer.renderState.visible = false;
}
else
{
meshRenderer.renderState.visible = true;
}
}
if (meshRenderer.renderState.doBillBoarding)
{
modelViewMat = Utils.Helper.BillboardMatrix(ref modelViewMat);
}
GL.FrontFace(meshRenderer.renderState.frontFaceMode);
GL.PolygonMode(MaterialFace.Front, meshRenderer.renderState.polygonMode);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref modelViewMat);
// Renders the vbo if present
meshRenderer.mesh.VBO.Render(meshRenderer.renderState);
// Alternative rendering or behavior
if (meshRenderer.render != null)
{
meshRenderer.render();
}
}
}