private PuzzleCellDesc[,] GenerateLayer(int width, int height)
{
PuzzleCellDesc[,] result = new PuzzleCellDesc[width, height];
for (int j = 0; j < height; ++j)
{
for (int i = 0; i < width; ++i)
{
if (result[i, j] != null)
{
continue;
}
bool isVertical = Random.Range(0, 2) == 0;
int maxSize = 0;
while (true)
{
++maxSize;
int offsetI = i + Convert.ToInt32(!isVertical) * maxSize;
int offsetJ = j + Convert.ToInt32(isVertical) * maxSize;
if (offsetI >= width || offsetJ >= height || result[offsetI, offsetJ] != null)
{
break;
}
}
PickableItem[] availableItems = _itemsPool.Where(pi => pi.size <= maxSize).ToArray();
PickableItem item = availableItems[Random.Range(0, availableItems.Length)];
result[i, j] = new PuzzleCellDesc
{
item = item,
isVertical = isVertical
};
for (int k = 1; k < item.size; ++k)
{
result[i + Convert.ToInt32(!isVertical) * k, j + Convert.ToInt32(isVertical) * k] = new PuzzleCellDesc
{
item = null,
isVertical = isVertical,
};
}
}
}
return(result);
}
public Puzzle GeneratePuzzle(int width, int height, int layers)
{
GameObject puzzleObject = new GameObject("Puzzle");
Puzzle puzzle = puzzleObject.AddComponent <Puzzle>();
GameObject topLayer = null;
for (int layerIndex = 0; layerIndex < layers; ++layerIndex)
{
var puzzleCellDescs = GenerateLayer(width, height);
GameObject layer = new GameObject("Layer" + layerIndex);
topLayer = layer;
layer.transform.parent = puzzleObject.transform;
layer.transform.position = layerIndex * GRID_STEP * Vector3.up;
for (int j = 0; j < height; ++j)
{
for (int i = 0; i < width; ++i)
{
PuzzleCellDesc desc = puzzleCellDescs[i, j];
if (desc.item == null)
{
continue;
}
PickableItem item = Instantiate(desc.item);
item.transform.parent = layer.transform;
item.transform.localPosition = new Vector3((i - width / 2f) * GRID_STEP, 0f, j * GRID_STEP);
if (desc.isVertical)
{
item.transform.eulerAngles = new Vector3(0f, -90f, 0f);
}
}
}
}
GameObject dragPlane = Instantiate(_itemDragPlane);
dragPlane.transform.parent = puzzleObject.transform;
dragPlane.transform.position = topLayer.transform.position + Vector3.up * GRID_STEP;
puzzle.itemDragPlane = dragPlane;
return(puzzle);
}
