public void RenderForLight(MatrixD lightViewProjection, Matrix lightViewProjectionAtZero, ref Vector3D lightPosition, Texture shadowRenderTarget, Texture shadowDepth, int spotIndex, List <uint> ignoredObjects)
        {
            m_renderElementsForShadows.Clear();
            m_castingRenderObjectsUnique.Clear();

            m_spotFrustum.Matrix = lightViewProjection;

            //MyRender.GetEntitiesFromPrunningStructure(ref lightBoundingBox, m_castingRenderObjects);
            //MyRender.GetEntitiesFromShadowStructure(ref lightBoundingBox, m_castingRenderObjects);

            int occludedItemsStats = 0; //always 0 for shadows

            MyRender.PrepareEntitiesForDraw(ref m_spotFrustum, lightPosition, (MyOcclusionQueryID)(1), m_castingRenderObjects, null, m_castingCullObjects, m_castingManualCullObjects, null, ref occludedItemsStats);

            foreach (MyElement element in m_castingRenderObjects)
            {
                MyRenderObject renderObject = (MyRenderObject)element;

                if (ignoredObjects.Contains(renderObject.ID))
                {
                    continue;
                }

                renderObject.GetRenderElementsForShadowmap(MyLodTypeEnum.LOD0, m_renderElementsForShadows, null);
            }

            // Set our targets
            MyRender.SetRenderTarget(shadowRenderTarget, shadowDepth);
            MyRender.GraphicsDevice.Clear(ClearFlags.All, new ColorBGRA(1.0f), 1.0f, 0);

            DepthStencilState.Default.Apply();
            RasterizerState.CullNone.Apply();
            BlendState.Opaque.Apply();

            RenderShadowMap(lightViewProjectionAtZero);

            MyRender.TakeScreenshot("ShadowMapSpot", shadowRenderTarget, MyEffectScreenshot.ScreenshotTechniqueEnum.Color);
        }
示例#2
0
        void PrepareCascadesForDraw()
        {
            if (MyRender.Sun.Direction == Vector3.Zero)
            {
                return;
            }

            MyRender.GetRenderProfiler().StartProfilingBlock("UpdateFrustums");

            UpdateFrustums();

            MyRender.GetRenderProfiler().EndProfilingBlock();

            // Set casting shadows geometry

            MyRender.GetRenderProfiler().StartProfilingBlock("update entities");

            int frustumIndex = 0;

            foreach (MyOrthographicCamera lightCamera in m_lightCameras)
            {
                if (m_skip[frustumIndex])
                {
                    frustumIndex++;
                    continue;
                }

                m_renderElementsForShadows.Clear();
                m_transparentRenderElementsForShadows.Clear();
                m_castingRenderObjectsUnique.Clear();

                MyRender.GetRenderProfiler().StartProfilingBlock("OverlapAllBoundingBox");


                var castersBox         = lightCamera.BoundingBox;     //Cannot use unscaled - incorrect result because of different cascade viewport size
                var castersFrustum     = lightCamera.BoundingFrustum; //Cannot use unscaled - incorrect result because of different cascade viewport size
                int occludedItemsStats = 0;                           //always 0 for shadows
                //MyRender.PrepareEntitiesForDraw(ref castersBox, (MyOcclusionQueryID)(frustumIndex + 1), m_castingRenderObjects, m_occlusionQueriesLists[frustumIndex], ref MyPerformanceCounter.PerCameraDrawWrite.ShadowEntitiesOccluded[frustumIndex]);
                MyRender.PrepareEntitiesForDraw(ref castersFrustum, lightCamera.Position, (MyOcclusionQueryID)(frustumIndex + 1), m_castingRenderObjects, null, m_castingCullObjects, m_castingManualCullObjects, null, ref occludedItemsStats);

                MyRender.GetRenderProfiler().EndProfilingBlock();

                MyRender.GetRenderProfiler().StartProfilingBlock("m_castingRenderObjects");

                int c       = 0;
                int skipped = 0;

                while (c < m_castingRenderObjects.Count)
                {
                    MyRenderObject renderObject = (MyRenderObject)m_castingRenderObjects[c];

                    if (RespectCastShadowsFlags)
                    {
                        // System.Diagnostics.Debug.Assert(!(entity is MyDummyPoint) && !(entity is AppCode.Game.Entities.WayPoints.MyWayPoint));

                        if ((renderObject.ShadowCastUpdateInterval > 0) && ((MyRender.RenderCounter % renderObject.ShadowCastUpdateInterval) == 0))
                        {
                            renderObject.NeedsResolveCastShadow = true;
                            //We have to leave last value, because true when not casting shadow make radiation to ship
                            // renderObject.CastShadow = true;
                        }

                        if (renderObject.NeedsResolveCastShadow)
                        { //Resolve raycast to sun
                            if (renderObject.CastShadowJob == null)
                            {
                                renderObject.CastShadowJob  = new MyCastShadowJob(renderObject);
                                renderObject.CastShadowTask = ParallelTasks.Parallel.Start(renderObject.CastShadowJob);
                            }
                            else
                            if (renderObject.CastShadowTask.IsComplete)
                            {
                                renderObject.CastShadows            = renderObject.CastShadowJob.VisibleFromSun;
                                renderObject.CastShadowTask         = new ParallelTasks.Task();
                                renderObject.CastShadowJob          = null;
                                renderObject.NeedsResolveCastShadow = false;

                                if (renderObject.CastShadows == false)
                                {
                                    HiddenResolvedObjects++;
                                }
                            }
                        }

                        if (!renderObject.NeedsResolveCastShadow && !renderObject.CastShadows)
                        {
                            if (renderObject is MyRenderVoxelCell)
                            {
                            }

                            m_castingRenderObjects.RemoveAtFast(c);
                            skipped++;
                            continue;
                        }
                    }
                    else
                    {
                        renderObject.NeedsResolveCastShadow = true;
                    }

                    if (!m_castingRenderObjectsUnique.Contains(renderObject))
                    {
                        m_castingRenderObjectsUnique.Add(renderObject);

                        if (frustumIndex < MyRenderConstants.RenderQualityProfile.ShadowCascadeLODTreshold)
                        {
                            renderObject.GetRenderElementsForShadowmap(MyLodTypeEnum.LOD0, m_renderElementsForShadows, m_transparentRenderElementsForShadows);
                        }
                        else
                        {
                            renderObject.GetRenderElementsForShadowmap(MyLodTypeEnum.LOD1, m_renderElementsForShadows, m_transparentRenderElementsForShadows);
                        }
                    }

                    c++;
                }

                MyRender.GetRenderProfiler().EndProfilingBlock();

                //Sorting VBs to minimize VB switches
                m_renderElementsForShadows.Sort(m_shadowElementsComparer);

                lightCamera.CastingRenderElements = m_renderElementsForShadows;

                MyPerformanceCounter.PerCameraDrawWrite.RenderElementsInShadows += m_renderElementsForShadows.Count;

                frustumIndex++;
            }

            MyRender.GetRenderProfiler().EndProfilingBlock();
        }