/// <summary>
/// Reset values to 0 because of script
/// </summary>
void ResetValues()
{
m_currentCell = 0;
m_totalCells = 0;
m_currentNeighbor = 0;
m_previousCell = 0;
m_wallToBreak = 0;
m_endTileDistance = 0;
m_markerCount = 0;
m_endCell = null;
if (m_markers != null)
{
m_markers.Clear();
}
else
{
m_markers = new List <Marker>();
}
if (m_cellStack != null)
{
m_cellStack.Clear();
}
}
/// <summary>
/// Checks for neighbours. If a neighbour exists, traverse to that cell and break the wall linking them
/// Else backtrack to previous cell
/// </summary>
void GetNeighbor()
{
int index = 0;
int[] neighbors = new int[4];
WALLINDEX[] connectingWall = new WALLINDEX[4];
// Check for neighbour EAST of current cell
if (m_currentCell + 1 < m_totalCells && (m_currentCell + 1) % m_numColumns != 0)
{
if (!m_cells[m_currentCell + 1].visited)
{
neighbors[index] = m_currentCell + 1;
connectingWall[index] = WALLINDEX.EAST;
index++;
}
}
// Check for neighbour WEST of current cell
if (m_currentCell - 1 >= 0 && (m_currentCell % m_numColumns) != 0)
{
if (!m_cells[m_currentCell - 1].visited)
{
neighbors[index] = m_currentCell - 1;
connectingWall[index] = WALLINDEX.WEST;
index++;
}
}
// Check for neighbour NORTH of current cell
if (m_currentCell + m_numColumns < m_totalCells)
{
if (!m_cells[m_currentCell + m_numColumns].visited)
{
neighbors[index] = m_currentCell + m_numColumns;
connectingWall[index] = WALLINDEX.NORTH;
index++;
}
}
// Check for neighbor SOUTH of current cell
if (m_currentCell - m_numColumns >= 0)
{
if (!m_cells[m_currentCell - m_numColumns].visited)
{
neighbors[index] = m_currentCell - m_numColumns;
connectingWall[index] = WALLINDEX.SOUTH;
index++;
}
}
// If a neighbour exists
if (index != 0)
{
// Select a random neighbour and make the current cell that neighbour and destroy the wall linking them
int selectedNeighbor = Random.Range(0, index);
m_currentNeighbor = neighbors[selectedNeighbor];
m_wallToBreak = connectingWall[selectedNeighbor];
if (m_deadEnd)
{
m_deadEnd = false;
}
}
else
{
SetMarker();
SetEndTile();
// Backtrack to previous cell
if (m_previousCell > 0)
{
m_currentCell = m_cellStack[m_previousCell];
--m_previousCell;
}
}
}
