public static void load()
        {
            bool flag = false;

            if (LevelSavedata.fileExists("/Structures.dat") && Level.info.type == ELevelType.SURVIVAL)
            {
                River river = LevelSavedata.openRiver("/Structures.dat", true);
                byte  b     = river.readByte();
                if (b > 3)
                {
                    StructureManager.serverActiveDate = river.readUInt32();
                }
                else
                {
                    StructureManager.serverActiveDate = Provider.time;
                }
                if (b > 1)
                {
                    for (byte b2 = 0; b2 < Regions.WORLD_SIZE; b2 += 1)
                    {
                        for (byte b3 = 0; b3 < Regions.WORLD_SIZE; b3 += 1)
                        {
                            StructureRegion region = StructureManager.regions[(int)b2, (int)b3];
                            StructureManager.loadRegion(b, river, region);
                        }
                    }
                }
                if (b < 6)
                {
                    flag = true;
                }
            }
            else
            {
                flag = true;
            }
            if (flag && LevelObjects.buildables != null)
            {
                for (byte b4 = 0; b4 < Regions.WORLD_SIZE; b4 += 1)
                {
                    for (byte b5 = 0; b5 < Regions.WORLD_SIZE; b5 += 1)
                    {
                        List <LevelBuildableObject> list = LevelObjects.buildables[(int)b4, (int)b5];
                        if (list != null && list.Count != 0)
                        {
                            StructureRegion structureRegion = StructureManager.regions[(int)b4, (int)b5];
                            for (int i = 0; i < list.Count; i++)
                            {
                                LevelBuildableObject levelBuildableObject = list[i];
                                if (levelBuildableObject != null)
                                {
                                    ItemStructureAsset itemStructureAsset = levelBuildableObject.asset as ItemStructureAsset;
                                    if (itemStructureAsset != null)
                                    {
                                        Vector3       eulerAngles   = levelBuildableObject.rotation.eulerAngles;
                                        byte          newAngle_X    = MeasurementTool.angleToByte((float)(Mathf.RoundToInt(eulerAngles.x / 2f) * 2));
                                        byte          newAngle_Y    = MeasurementTool.angleToByte((float)(Mathf.RoundToInt(eulerAngles.y / 2f) * 2));
                                        byte          newAngle_Z    = MeasurementTool.angleToByte((float)(Mathf.RoundToInt(eulerAngles.z / 2f) * 2));
                                        Structure     structure     = new Structure(itemStructureAsset.id, itemStructureAsset.health, itemStructureAsset);
                                        StructureData structureData = new StructureData(structure, levelBuildableObject.point, newAngle_X, newAngle_Y, newAngle_Z, 0UL, 0UL, uint.MaxValue);
                                        structureRegion.structures.Add(structureData);
                                        StructureManager.manager.spawnStructure(structureRegion, structure.id, structureData.point, structureData.angle_x, structureData.angle_y, structureData.angle_z, (byte)Mathf.RoundToInt((float)structure.health / (float)itemStructureAsset.health * 100f), 0UL, 0UL, StructureManager.instanceCount += 1u);
                                    }
                                }
                            }
                        }
                    }
                }
            }
            Level.isLoadingStructures = false;
        }