public SlidingBlockType(SlidingBlockType copy, int typeID)
{
SubBlocks = new ObservableCollection<Point>(copy.SubBlocks); // Point is a struct so values will be copied
SizeX = copy.SizeX;
SizeY = copy.SizeY;
TypeID = typeID;
}
void addTargetBlock(object o)
{
// Copy block to the target grid and add a new BlockType for it so that the target BlockType is unique for hashing purposes
object[] args = (object[])o;
int cellX = (int)args[0];
int cellY = (int)args[1];
int blockID = (int)args[2];
clearTarget();
// Create another BlockType clone of the target block
SlidingBlockType targetBlockType = new SlidingBlockType(Blocks[blockID].BlockType, blockPalette.Count);
// Add it to the palette
blockPalette.Add(targetBlockType);
// Update the BlockType of the target block on the main grid to this new BlockType
Blocks[blockID].BlockType = targetBlockType;
// Copy the block and add it to the target grid
SlidingBlock block = new SlidingBlock(cellX, cellY, targetBlockType, blockID);
TargetBlocks.Add(block);
}
void addToBlock(object o)
{
// Continue the creation of a new block on the main grid
if (currentBlock == null) return; // Return if creating a new block is not in progress
object[] args = (object[])o; // int cellX, int cellY, IEnumerable<Tuple<int, int>> subBlocks
int cellX = (int)args[0];
int cellY = (int)args[1];
if (occupied[cellX, cellY]) return;
clearTarget();
occupied[cellX, cellY] = true;
currentType.AddSubBlock(cellX - currentBlock.CellX, cellY - currentBlock.CellY);
if (cellX < currentBlock.CellX)
currentBlock.CellX = cellX;
if (cellY < currentBlock.CellY)
currentBlock.CellY = cellY;
SlidingBlockType blockType = blockPalette.SingleOrDefault(b => b.Equals(currentType));
if (blockType == null)
{
// Create and add a copy of currentType
blockType = new SlidingBlockType(currentType, blockPalette.Count);
blockPalette.Add(blockType);
}
currentBlock.BlockType = blockType; // Current block's BlockType = matching BlockType from the palette
}
void addNewBlock(object o)
{
// Clear the target block and start the creation of a new block on the main grid
object[] args = (object[])o; // int cellX, int cellY
int cellX = (int)args[0];
int cellY = (int)args[1];
clearTarget();
if (!occupied[cellX, cellY])
{
currentBlock = new SlidingBlock(cellX, cellY,blockPalette[0], Blocks.Count); // Create 1x1 block, BlockType 0, blockID is the index into Blocks
currentType = new SlidingBlockType(blockPalette[0]);
Blocks.Add(currentBlock);
occupied[cellX, cellY] = true;
}
}
public SlidingBlock(int cellX, int cellY, SlidingBlockType blockType, int blockID)
{
CellX = cellX;
CellY = cellY;
BlockType = blockType;
BlockID = blockID;
}