Method OnDraw

Source/Editor/ViewportDebugDrawData.cs:107–164

Called when task calls event. The rendering context.

(ref RenderContext renderContext)

        /// </summary>
        /// <param name="renderContext">The rendering context.</param>
        public virtual void OnDraw(ref RenderContext renderContext)
        {
            if (_highlightMaterial == null
                || (_highlights.Count == 0 && _highlightTriangles.Count == 0)
                || renderContext.View.Pass == DrawPass.Depth
               )
                return;
            Profiler.BeginEvent("ViewportDebugDrawData.OnDraw");

            Matrix world;
            for (var i = 0; i < _highlights.Count; i++)
            {
                HighlightData highlight = _highlights[i];
                if (highlight.Target is StaticModel staticModel)
                {
                    var model = staticModel.Model;
                    if (model == null)
                        continue;
                    staticModel.Transform.GetWorld(out world);
                    var bounds = BoundingSphere.FromBox(staticModel.Box);

                    // Pick a proper LOD
                    Float3 center = bounds.Center - renderContext.View.Origin;
                    int lodIndex = RenderTools.ComputeModelLOD(model, ref center, (float)bounds.Radius, ref renderContext);
                    var lods = model.LODs;
                    if (lods == null || lods.Length < lodIndex || lodIndex < 0)
                        continue;
                    var lod = lods[lodIndex];

                    // Draw meshes
                    for (int meshIndex = 0; meshIndex < lod.Meshes.Length; meshIndex++)
                    {
                        if (lod.Meshes[meshIndex].MaterialSlotIndex == highlight.EntryIndex)
                        {
                            lod.Meshes[meshIndex].Draw(ref renderContext, _highlightMaterial, ref world);
                        }
                    }
                }
            }

            if (_highlightTriangles.Count > 0)
            {
                var mesh = _highlightTrianglesModel.LODs[0].Meshes[0];
                if (!Utils.ArraysEqual(_highlightTrianglesSet, _highlightTriangles))
                {
                    _highlightIndicesSet = new int[_highlightTriangles.Count];
                    for (int i = 0; i < _highlightIndicesSet.Length; i++)
                        _highlightIndicesSet[i] = i;
                    _highlightTrianglesSet = _highlightTriangles.ToArray();
                    mesh.UpdateMesh(_highlightTrianglesSet, _highlightIndicesSet);
                }

                world = Matrix.Identity;
                mesh.Draw(ref renderContext, _highlightMaterial, ref world);
            }

            Profiler.EndEvent();
        }