Beispiel #1
0
            private void UnclipCell(RequestCollector collector, MyCellCoord cell, bool isVisible)
            {
                var      cellId        = cell.PackId64();
                var      clipmapCellId = MyCellCoord.GetClipmapCellHash(m_clipmap.Id, cellId);
                CellData data;

                if (isVisible)
                {
                    bool highPriority = true;

                    if (m_clippedCells.TryGetValue(cellId, out data))
                    {
                        m_clippedCells.Remove(cellId);
                    }
                    else
                    {
                        highPriority = false;

                        CellBlendData blendData;
                        if (!m_blendedCells.TryGetValue(cellId, out blendData))
                        {
                            data = CellsCache.Read(clipmapCellId);

                            if (data == null) //cache miss
                            {
                                data = new CellData();
                                ClippingCacheMisses++;
                            }
                            else
                            {
                                //cache hit
                                ClippingCacheHits++;

                                //System.Diagnostics.Debug.Assert((!data.InScene && data.Cell != null) || data.Cell == null, "Not allowed cell state");
                                data.InScene = false;
                                if (data.Cell != null)
                                {
                                    m_nonEmptyCells[cellId] = data;
                                }
                            }
                        }
                        else
                        {
                            data = blendData.CellData;
                            if (blendData.State == BlendState.Removing)
                            {
                                blendData.UndoAfterFinish = true;
                            }
                            if (data.Cell != null)
                            {
                                m_nonEmptyCells[cellId] = data;
                            }
                        }
                    }

                    if (data.State == CellState.Invalid)
                    {
                        if (MyClipmap.UseQueries)
                        {
                            BoundingBoxD bbd;
                            MyVoxelCoordSystems.RenderCellCoordToLocalAABB(ref cell, out bbd);
                            BoundingBox bb = new BoundingBox(bbd);
                            if (m_clipmap.m_prunningFunc == null || m_clipmap.m_prunningFunc(ref bb, false) == ContainmentType.Intersects)
                            {
                                collector.AddRequest(cellId, data, highPriority);
                            }
                            else
                            {
                                data.State     = CellState.Loaded;
                                data.WasLoaded = true;
                            }
                        }
                        else
                        {
                            collector.AddRequest(cellId, data, highPriority);
                        }
                    }

                    m_storedCellData.Add(cellId, data);
                    data.ReadyInClipmap = true;
                    data.ClippedOut     = false;
                }
                else
                {
                    if (!m_storedCellData.ContainsKey(cellId) && (!PendingCacheCellData.ContainsKey(clipmapCellId) || PendingCacheCellData[clipmapCellId].State == CellState.Invalid) && CellsCache.Read(clipmapCellId) == null)
                    {
                        if (!PendingCacheCellData.TryGetValue(clipmapCellId, out data))
                        {
                            data = new CellData();
                            PendingCacheCellData.Add(clipmapCellId, data);
                        }

                        if (MyClipmap.UseQueries)
                        {
                            BoundingBoxD bbd;
                            MyVoxelCoordSystems.RenderCellCoordToLocalAABB(ref cell, out bbd);
                            BoundingBox bb = new BoundingBox(bbd);
                            if (m_clipmap.m_prunningFunc == null || m_clipmap.m_prunningFunc(ref bb, false) == ContainmentType.Intersects)
                            {
                                data.State = CellState.Invalid;

                                collector.AddRequest(cellId, data, false);
                            }
                            else
                            {
                                data.State     = CellState.Loaded;
                                data.WasLoaded = true;
                            }
                        }
                        else
                        {
                            data.State = CellState.Invalid;
                            collector.AddRequest(cellId, data, false);
                        }
                    }
                }
            }