Esempio n. 1
0
        public static GfxObj ReadFromDat(uint fileId)
        {
            // Check the FileCache so we don't need to hit the FileSystem repeatedly
            if (DatManager.PortalDat.FileCache.ContainsKey(fileId))
            {
                return((GfxObj)DatManager.PortalDat.FileCache[fileId]);
            }
            else
            {
                DatReader datReader = DatManager.PortalDat.GetReaderForFile(fileId);
                GfxObj    obj       = new GfxObj();

                obj.Id    = datReader.ReadUInt32();
                obj.Flags = datReader.ReadUInt32();

                short num_surfaces = datReader.ReadPackedByte();
                for (short i = 0; i < num_surfaces; i++)
                {
                    obj.Surfaces.Add(datReader.ReadUInt32());
                }

                obj.VertexArray = CVertexArray.Read(datReader);

                // Has Physics
                if ((obj.Flags & 1) > 0)
                {
                    short num_physics_polygons = datReader.ReadPackedByte();
                    for (ushort i = 0; i < num_physics_polygons; i++)
                    {
                        ushort poly_id = datReader.ReadUInt16();
                        obj.PhysicsPolygons.Add(poly_id, Polygon.Read(datReader));
                    }

                    obj.PhysicsBSP = BSPTree.Read(datReader, BSPType.Physics);
                }

                obj.SortCenter = PositionExtensions.ReadPositionFrame(datReader);

                // Has Drawing
                if ((obj.Flags & 2) > 0)
                {
                    short num_polygons = datReader.ReadPackedByte();
                    for (ushort i = 0; i < num_polygons; i++)
                    {
                        ushort poly_id = datReader.ReadUInt16();
                        obj.Polygons.Add(poly_id, Polygon.Read(datReader));
                    }

                    obj.DrawingBSP = BSPTree.Read(datReader, BSPType.Drawing);
                }

                if ((obj.Flags & 8) > 0)
                {
                    obj.DIDDegrade = datReader.ReadUInt32();
                }

                // Store this object in the FileCache
                DatManager.PortalDat.FileCache[fileId] = obj;

                return(obj);
            }
        }