Exemple #1
0
        /// <summary>
        /// Gets the item associated with the specified key.
        /// </summary>
        /// <param name="key">The key of the value to get.</param>
        /// <param name="block">When this method returns, contains the item associated with the specified key, if the key is found; otherwise, the default value for the type of the item parameter. This parameter is passed uninitialized.</param>
        /// <returns><c>true</c> if the <see cref="GridBlockCollection{TGridBlock}"/> contains an element with the specified key; otherwise, false.</returns>
        public bool TryGetItem(ShortPoint key, out TGridBlock block)
        {
            if (Dictionary != null)
            {
                return(Dictionary.TryGetValue(key, out block));
            }

            block = this.FirstOrDefault(b => b.Location == key);
            return(block != null);
        }
Exemple #2
0
        public GridBlock(int blockSize, ShortPoint location, IEqualityComparer <TCell> cellEqualityComparer)
        {
            if (cellEqualityComparer == null)
            {
                throw new ArgumentNullException(nameof(cellEqualityComparer));
            }

            BlockSize = blockSize;
            Location  = location;

            cells = new TCell[BlockSize * BlockSize];
            this.cellEqualityComparer = cellEqualityComparer;
        }
Exemple #3
0
        public TCell this[int x, int y]
        {
            get
            {
                CheckLocation(ref x, ref y);

                TGridBlock block = null;
                ShortPoint blockLocation = default(ShortPoint);
                int        cellX, cellY;
                int        blockSize = BlockSize;

                GridBlock.GetBlockCellLocation(ref x, ref y, ref blockSize, out blockLocation, out cellX, out cellY);

                if (Blocks.TryGetItem(blockLocation, out block))
                {
                    return(block.GetCell(cellX, cellY));
                }

                return(default(TCell));
            }

            set
            {
                CheckLocation(ref x, ref y);

                TGridBlock block = null;
                ShortPoint blockLocation = default(ShortPoint);
                int        tileX, tileY;
                int        blockSize = BlockSize;

                GridBlock.GetBlockCellLocation(ref x, ref y, ref blockSize, out blockLocation, out tileX, out tileY);

                if (!Blocks.TryGetItem(blockLocation, out block))
                {
                    if (CellEqualityComparer.Equals(value, default(TCell)))
                    {
                        return;
                    }
                    block = CreateBlock(blockLocation);
                    AddBlock(block);
                }

                var currentValue = block.GetCell(tileX, tileY);

                if (block.SetCell(tileX, tileY, value))
                {
                    OnCellContentChanged(tileX, tileY, block, currentValue, value);
                }
            }
        }
Exemple #4
0
 protected abstract TGridBlock CreateBlock(ShortPoint blockLocation);