/// <summary>
/// Handle the 4 types of tile (Empty, Wall, Initial and Final)
/// </summary>
/// <param name="btnClicked"></param>
private void ChangebuttonState(TileButton btnClicked)
{
//If empty can set as Wall
if (btnClicked.IsEmptyTitle())
{
//Set as wall
btnClicked.BackgroundImage = TileBlock;
btnClicked.SetAsWallTitle();
}
else if (btnClicked.IsWallTile && btnInitial == null)
{
//Check if exist a previous Initial Tile
if (btnInitial != null)
{
btnInitial.BackgroundImage = null;
btnInitial.SetAsEmptyTitle();
}
//Set as Initial Tile
btnClicked.BackgroundImage = InitialTile;
btnClicked.SetAsInitialTitle();
btnInitial = btnClicked;
}
else if (btnClicked.IsInitialTile)
{
btnClicked.SetAsEmptyTitle();
btnInitial = null;
}
else if (btnClicked.IsFinalTile)
{
btnClicked.SetAsEmptyTitle();
btnFinal = null;
}
else if (btnClicked.IsWallTile && btnFinal == null)
{
//Check if exist a previous Final Tile
if (btnFinal != null)
{
btnFinal.BackgroundImage = null;
btnFinal.SetAsEmptyTitle();
}
btnClicked.BackgroundImage = EndTile;
btnClicked.SetAsFinalTitle();
btnFinal = btnClicked;
}
else
{
btnClicked.SetAsEmptyTitle();
}
}
/// <summary>
/// Generate initial and final tiles
/// </summary>
private void GenerateInitialAndFinalButton()
{
//Generate initial button
int initialButtonIndex = randomize.Next(0, TotalNumOfButtons);
btnInitial = (TileButton)mainPanel.Controls[initialButtonIndex];
btnInitial.BackgroundImage = InitialTile;
btnInitial.SetAsInitialTitle();
//Generate final button
int finalButtonIndex;
do
{
finalButtonIndex = randomize.Next(0, TotalNumOfButtons);
}
// We need check that we don't use the same button and also that we have a minimun difference
while (finalButtonIndex == initialButtonIndex || Math.Abs(initialButtonIndex - finalButtonIndex) < 45);
btnFinal = (TileButton)mainPanel.Controls[finalButtonIndex];
btnFinal.BackgroundImage = EndTile;
btnFinal.SetAsFinalTitle();
}