void checkNeighbors()
{
validNeighbors.Clear();
guideCell = maze.cells [(int)(transform.position.x + 0.5f), (int)(transform.position.y + 0.5f)];
CellManagement cellProps = guideCell.GetComponent <CellManagement> ();
int currentX = (int)guideCell.transform.position.x;
int currentY = (int)guideCell.transform.position.y;
//check north neighbor. First check if in bounds, then check if there is a wall blocking or not.
if (!cellProps.north && ((currentX >= 0 && currentX < maze.width) && (currentY + 1 >= 0 && currentY + 1 < maze.height)))
{
validNeighbors.Add(NORTH);
}
//check south
if (!cellProps.south && ((currentX >= 0 && currentX < maze.width) && (currentY - 1 >= 0 && currentY - 1 < maze.height)))
{
validNeighbors.Add(SOUTH);
}
//check east
if (!cellProps.east && ((currentX + 1 >= 0 && currentX + 1 < maze.width) && (currentY >= 0 && currentY < maze.height)))
{
validNeighbors.Add(EAST);
}
//check west
if (!cellProps.west && ((currentX - 1 >= 0 && currentX - 1 < maze.width) && (currentY >= 0 && currentY < maze.height)))
{
validNeighbors.Add(WEST);
}
}
void checkNeighbors()
{
validNeighbors.Clear();
CellManagement cellProps = guideCell.GetComponent <CellManagement> ();
int currentX = (int)guideCell.transform.position.x;
int currentY = (int)guideCell.transform.position.y;
//check north neighbor. First check if in bounds, then check if there is a wall blocking or not.
if (!cellProps.north && ((currentX >= 0 && currentX < maze.width) && (currentY + 1 >= 0 && currentY + 1 < maze.height)))
{
//only add if neighbor not pathVisited yet
if (!maze.cells [currentX, currentY + 1].GetComponent <CellManagement> ().pathVisited)
{
validNeighbors.Add(NORTH);
}
}
//check south
if (!cellProps.south && ((currentX >= 0 && currentX < maze.width) && (currentY - 1 >= 0 && currentY - 1 < maze.height)))
{
//only add if neighbor not pathVisited yet
if (!maze.cells [currentX, currentY - 1].GetComponent <CellManagement> ().pathVisited)
{
validNeighbors.Add(SOUTH);
}
}
//check east
if (!cellProps.east && ((currentX + 1 >= 0 && currentX + 1 < maze.width) && (currentY >= 0 && currentY < maze.height)))
{
//only add if neighbor not pathVisited yet
if (!maze.cells [currentX + 1, currentY].GetComponent <CellManagement> ().pathVisited)
{
validNeighbors.Add(EAST);
}
}
//check west
if (!cellProps.west && ((currentX - 1 >= 0 && currentX - 1 < maze.width) && (currentY >= 0 && currentY < maze.height)))
{
//only add if neighbor not pathVisited yet
if (!maze.cells [currentX - 1, currentY].GetComponent <CellManagement> ().pathVisited)
{
validNeighbors.Add(WEST);
}
}
Debug.Log(validNeighbors.Count + " valid neighbors to " + string.Format("({0},{1})", guideCell.transform.position.x, guideCell.transform.position.y));
}
void Awake()
{
pathHistory = new Stack();
//initialize grid for maze
if (useMazeSize)
{
width = GameManager.Instance.mazeSize;
height = GameManager.Instance.mazeSize;
}
cells = new GameObject[width, height];
GameObject parent = GameObject.FindGameObjectWithTag("Maze");
Debug.Log("Level: " + (GameManager.Instance.mazeSize - 4));
//fill maze with unvisited cell prefabs
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Vector3 spawnPoint = new Vector3(x, y, parent.transform.position.z);
cells [x, y] = Instantiate(cellPrefab, spawnPoint, Quaternion.identity, parent.transform);
cells [x, y].tag = "UnvisitedCell";
cellProps = cells [x, y].GetComponent <CellManagement> ();
cellProps.visited = false;
cellProps.north = true;
cellProps.south = true;
cellProps.east = true;
cellProps.west = true;
}
} //end grid for maze initialization
unvisitedCells = GameObject.FindGameObjectsWithTag("UnvisitedCell").Length;
//guideCell = cells [width / 2, height / 2];//center. These are really easy paths to the fish, though sometimes long.
//guideCell = cells [0, height - 1];//top left. Moderate difficulty
guideCell = cells[Random.Range((int)(width * 0.75f), width), Random.Range((int)(width * 0.75f), height)]; //Random cell. These are the most difficult paths
//comment out following lines to not generate maze
if (generateMaze)
{
createMaze();
spawnPlayer();
spawnFish();
}
}
void tryWest()
{
int currentX = (int)guideCell.transform.position.x - 1;
int currentY = (int)guideCell.transform.position.y;
if ((currentX >= 0 && currentX < width) && (currentY >= 0 && currentY < height))
{
if (cells [currentX, currentY].GetComponent <CellManagement> ().visited == false)
{
pathHistory.Push(guideCell);
guideCell.tag = "VisitedCell";
cellProps = guideCell.GetComponent <CellManagement> ();
cellProps.visited = true;
cellProps.west = false;
cellProps = cells [currentX, currentY].GetComponent <CellManagement> ();
cellProps.visited = true;
cellProps.east = false;
guideCell = cells [currentX, currentY];
}
}
}
void trySouth()
{
int currentX = (int)guideCell.transform.position.x;
int currentY = (int)guideCell.transform.position.y - 1;
if ((currentX >= 0 && currentX < width) && (currentY >= 0 && currentY < height))
{
if (cells [currentX, currentY].GetComponent <CellManagement> ().visited == false)
{
pathHistory.Push(guideCell);
guideCell.tag = "VisitedCell";
//it gets a bit confusing but here's how it works:
cellProps = guideCell.GetComponent <CellManagement>(); //set cellProps to be the props of the guideCell
cellProps.visited = true; //mark it visited
cellProps.south = false; //get rid of it's south wall because we are moving south. This will always be the direction we are moving
cellProps = cells[currentX, currentY].GetComponent <CellManagement>(); //set cellProps to the new cell
cellProps.visited = true; //mark this one as visited
cellProps.north = false; //get rid of it's NORTH wall since we just came from the north. This will always be the opposite direction we are moving
guideCell = cells [currentX, currentY]; //only set new guideCell if we can move. Otherwise try again
}
}
}
} //end createMaze
//these methods will check to see if direction given is valid, if it is it will set all properties acordingly, if not it will do nothing.
void tryNorth()
{
int currentX = (int)guideCell.transform.position.x;
int currentY = (int)guideCell.transform.position.y + 1;
if ((currentX >= 0 && currentX < width) && (currentY >= 0 && currentY < height))
{
//coords are in bounds, now check if cell at that position has been visited or not
if (cells [currentX, currentY].GetComponent <CellManagement> ().visited == false)
{
pathHistory.Push(guideCell);
guideCell.tag = "VisitedCell";
cellProps = guideCell.GetComponent <CellManagement> ();
cellProps.visited = true;
cellProps.north = false;
cellProps = cells [currentX, currentY].GetComponent <CellManagement> ();
cellProps.visited = true;
cellProps.south = false;
guideCell = cells [currentX, currentY];
}
}
}
