//create a passage
private void CreatePassage(TreeMazeCell curCell, TreeMazeCell neighbor, TreeDir dir)
{
TreeMazePassage passage = Instantiate(passagePrefab) as TreeMazePassage;
passage.Init(curCell, neighbor, dir);
passage = Instantiate(passagePrefab) as TreeMazePassage;
passage.Init(neighbor, curCell, dir.GetOppositeDir());
}
public void Init(TreeMazeCell cell, TreeMazeCell otherCell, TreeDir dir)
{
this.cell = cell;
this.otherCell = otherCell;
this.dir = dir;
cell.SetEdge(dir, this);
transform.parent = cell.transform;
transform.localPosition = Vector3.zero;
transform.localRotation = dir.ToRotation();
}
//creating a wall
private void CreateWall(TreeMazeCell curCell, TreeMazeCell neighbor, TreeDir dir)
{
TreeMazeWall wall = Instantiate(wallPrefab) as TreeMazeWall;
wall.Init(curCell, neighbor, dir);
if (neighbor != null)
{
wall = Instantiate(wallPrefab) as TreeMazeWall;
wall.Init(neighbor, curCell, dir.GetOppositeDir());
}
}
//create a cell
public TreeMazeCell CreateCell(IntVector2 coordinates)
{
TreeMazeCell newCell = Instantiate(cellPrefab) as TreeMazeCell;
cells[coordinates.r, coordinates.c] = newCell;
newCell.coordinates = coordinates;
newCell.name = "Tree Maze Cell " + coordinates.r + ", " + coordinates.c;
newCell.transform.parent = transform;
newCell.transform.localPosition = new Vector3(coordinates.r * wallSize, -(wallSize / 2f), coordinates.c * wallSize);
//newCell.transform.Rotate(Vector3.right, 90f);
return(newCell);
}
//getting the current cell, checks if its all edges are initialized and if so removing it from the list
//a cell will be fully initialized only when all its neighbors have been visited.
//in order to prevent incorrect walls, we should pick a random direction that is not yet initialized for current cell
private void DoNextStep(List <TreeMazeCell> activeCells)
{
int curIndex = activeCells.Count - 1;
TreeMazeCell curCell = activeCells[curIndex];
if (curCell.IsFullyInit)
{
activeCells.RemoveAt(curIndex);
return;
}
TreeDir direction = curCell.RandomNoDir;
IntVector2 coor = curCell.coordinates + direction.ToIntVector2();
if (ContainsCoor(coor))
{
// checking if the neighbor doesnt exists, if so we are creating it and adding a passage between the
//neighbor and the current cell. If the neighbor already exists, separate them with wall.
TreeMazeCell neighbor = GetNewCell(coor);
if (neighbor == null)
{
neighbor = CreateCell(coor);
CreatePassage(curCell, neighbor, direction);
activeCells.Add(neighbor);
}
else
{
CreateWall(curCell, neighbor, direction);
}
}
else
{
CreateWall(curCell, null, direction);
}
}