SEToolbox.Interop.Asteroids.MyVoxelMap.Init C# (CSharp) Method

        public void Init(Vector3D position, Vector3I size, string material)
        {
            InitVoxelMap(position, size, material, true);
        }

        public MyObjectBuilder_EntityBase BuildEntity()
        {
            // Realign both asteroids to a common grid, so voxels can be lined up.
            Vector3I roundedPosLeft = SelectionLeft.WorldAABB.Min.RoundToVector3I();
            Vector3D offsetPosLeft = SelectionLeft.WorldAABB.Min - (Vector3D)roundedPosLeft; // Use for everything.
            Vector3I roundedPosRight = (SelectionRight.WorldAABB.Min - offsetPosLeft).RoundToVector3I();
            Vector3D offsetPosRight = SelectionRight.WorldAABB.Min - (Vector3D)roundedPosRight; // Use for everything.

            // calculate smallest allowable size for contents of both.
            const int paddCells = 3;

            var minLeft = SelectionLeft.WorldAABB.Min + SelectionLeft.ContentBounds.Min - offsetPosLeft;
            var minRight = SelectionRight.WorldAABB.Min + SelectionRight.ContentBounds.Min - offsetPosRight;
            var min = Vector3D.Zero;
            var posOffset = Vector3D.Zero;
            var asteroidSize = Vector3I.Zero;

            switch (VoxelMergeType)
            {
                case VoxelMergeType.UnionVolumeLeftToRight:
                case VoxelMergeType.UnionVolumeRightToLeft:
                    min = Vector3D.Min(minLeft, minRight) - paddCells;
                    var max = Vector3D.Max(SelectionLeft.WorldAABB.Min + SelectionLeft.ContentBounds.Max - offsetPosLeft, SelectionRight.WorldAABB.Min + SelectionRight.ContentBounds.Max - offsetPosRight) + paddCells;
                    posOffset = new Vector3D(minLeft.X < minRight.X ? offsetPosLeft.X : offsetPosRight.X, minLeft.Y < minRight.Y ? offsetPosLeft.Y : offsetPosRight.Y, minLeft.Z < minRight.Z ? offsetPosLeft.Z : offsetPosRight.Z);
                    var size = (max - min).RoundToVector3I();
                    asteroidSize = new Vector3I(size.X.RoundUpToNearest(64), size.Y.RoundUpToNearest(64), size.Z.RoundUpToNearest(64));
                    break;
                case VoxelMergeType.UnionMaterialLeftToRight:
                    min = SelectionRight.WorldAABB.Min - offsetPosRight;
                    posOffset = new Vector3D(minLeft.X < minRight.X ? offsetPosLeft.X : offsetPosRight.X, minLeft.Y < minRight.Y ? offsetPosLeft.Y : offsetPosRight.Y, minLeft.Z < minRight.Z ? offsetPosLeft.Z : offsetPosRight.Z);
                    asteroidSize = SelectionRight.Size;
                    break;
                case VoxelMergeType.UnionMaterialRightToLeft:
                    min = SelectionLeft.WorldAABB.Min - offsetPosLeft;
                    posOffset = new Vector3D(minLeft.X < minRight.X ? offsetPosLeft.X : offsetPosRight.X, minLeft.Y < minRight.Y ? offsetPosLeft.Y : offsetPosRight.Y, minLeft.Z < minRight.Z ? offsetPosLeft.Z : offsetPosRight.Z);
                    asteroidSize = SelectionLeft.Size;
                    break;
                case VoxelMergeType.SubtractVolumeLeftFromRight:
                    min = SelectionRight.WorldAABB.Min - offsetPosRight;
                    posOffset = new Vector3D(minLeft.X < minRight.X ? offsetPosLeft.X : offsetPosRight.X, minLeft.Y < minRight.Y ? offsetPosLeft.Y : offsetPosRight.Y, minLeft.Z < minRight.Z ? offsetPosLeft.Z : offsetPosRight.Z);
                    asteroidSize = SelectionRight.Size;
                    break;
                case VoxelMergeType.SubtractVolumeRightFromLeft:
                    min = SelectionLeft.WorldAABB.Min - offsetPosLeft;
                    posOffset = new Vector3D(minLeft.X < minRight.X ? offsetPosLeft.X : offsetPosRight.X, minLeft.Y < minRight.Y ? offsetPosLeft.Y : offsetPosRight.Y, minLeft.Z < minRight.Z ? offsetPosLeft.Z : offsetPosRight.Z);
                    asteroidSize = SelectionLeft.Size;
                    break;
            }

            // Prepare new asteroid.
            var newAsteroid = new MyVoxelMap();
            newAsteroid.Init(Vector3D.Zero, asteroidSize, SpaceEngineersCore.Resources.GetDefaultMaterialName());
            newAsteroid.RemoveContent();
            if (string.IsNullOrEmpty(MergeFileName))
                MergeFileName = "merge";
            var filename = MainViewModel.CreateUniqueVoxelStorageName(MergeFileName);

            // merge.
            switch (VoxelMergeType)
            {
                case VoxelMergeType.UnionVolumeLeftToRight:
                    MergeAsteroidVolumeInto(ref newAsteroid, min, SelectionRight, SelectionLeft, minRight, minLeft);
                    break;
                case VoxelMergeType.UnionVolumeRightToLeft:
                    MergeAsteroidVolumeInto(ref newAsteroid, min, SelectionLeft, SelectionRight, minLeft, minRight);
                    break;
                case VoxelMergeType.UnionMaterialLeftToRight:
                    MergeAsteroidMaterialFrom(ref newAsteroid, min, SelectionRight, SelectionLeft, minRight, minLeft);
                    break;
                case VoxelMergeType.UnionMaterialRightToLeft:
                    MergeAsteroidMaterialFrom(ref newAsteroid, min, SelectionLeft, SelectionRight, minLeft, minRight);
                    break;
                case VoxelMergeType.SubtractVolumeLeftFromRight:
                    SubtractAsteroidVolumeFrom(ref newAsteroid, min, SelectionRight, SelectionLeft, minRight, minLeft);
                    break;
                case VoxelMergeType.SubtractVolumeRightFromLeft:
                    SubtractAsteroidVolumeFrom(ref newAsteroid, min, SelectionLeft, SelectionRight, minLeft, minRight);
                    break;
            }

            // Generate Entity
            var tempfilename = TempfileUtil.NewFilename(MyVoxelMap.V2FileExtension);
            newAsteroid.Save(tempfilename);
            SourceFile = tempfilename;

            var position = min + posOffset;
            var entity = new MyObjectBuilder_VoxelMap(position, filename)
            {
                EntityId = SpaceEngineersApi.GenerateEntityId(IDType.ASTEROID),
                PersistentFlags = MyPersistentEntityFlags2.CastShadows | MyPersistentEntityFlags2.InScene,
                StorageName = Path.GetFileNameWithoutExtension(filename),
                PositionAndOrientation = new MyPositionAndOrientation
                {
                    Position = position,
                    Forward = Vector3.Forward,
                    Up = Vector3.Up
                }
            };

            return entity;
        }