public void LoadIndex(TextReader input)
{
const int MAX_DEPTH = 48;
CatalogNode[] nodePointers = new CatalogNode[MAX_DEPTH];
nodePointers[0] = Root;
int currentDepth = 1;
string line = input.ReadLine();
while (line != null)
{
// determine indent depth
int depth = 1;
while (line[depth - 1] == '\t')
{
depth++;
}
// read name and modifiers
string name = line.Substring(depth - 1);
string sampleGameName = null;
bool isAbstract = name[0] == '.';
if (isAbstract)
{
name = name.Substring(1);
if (name.IndexOf('|') > 0 && name.Length > name.IndexOf('|'))
{
sampleGameName = name.Substring(name.IndexOf('|') + 1);
name = name.Substring(0, name.IndexOf('|'));
}
}
// create new catalog node
CatalogNode newNode;
if (isAbstract)
{
newNode = new CatalogNode(name, true, sampleGameName);
}
else
{
newNode = new GameCatalogNode(name);
}
// add new node to catalog
if (depth <= currentDepth + 1)
{
nodePointers[depth - 1].Children.Add(newNode);
nodePointers[depth] = newNode;
currentDepth = depth;
}
else
{
throw new Exception();
}
// read next line
line = input.ReadLine();
}
}
private void btnSelectorButtons_Click(object sender, EventArgs e)
{
// This function handles the click event for all the large "selector" buttons
// that are automatically created based on the game catalog. Find the node
// in the game catalog that corresponds with the pressed button.
CatalogNode node = (CatalogNode)((ButtonBase)sender).Tag;
if (!node.IsAbstract)
{
// The node is not abstract so it selects a specific game.
// Create the game and fire it up!
Game game = createGame(node.Name, null, true);
startGame(game);
}
else
{
// This is an "abstract" node in the game catalog, so
// it doesn't represent a game but rather a group of
// similar games which we will display in a new list.
// For now, only two sub-categories exist and they are
// hard-coded. Obviously this needs to be improved.
mainTabControl.Visible = false;
panelSubGames.Visible = true;
lblSubGameCategory.Text = node.Name;
if (node.Name.ToUpper() == "CAPABLANCA VARIANTS")
{
// Display pre-defined panel with information
// already laid out describing Capablanca variants
panelCapablancaVariants.Visible = true;
panelShuffledVariants.Visible = false;
}
else if (node.Name.ToUpper() == "SHUFFLED VARIANTS")
{
// Display pre-defined panel with information
// already laid out describing shuffle variants
panelCapablancaVariants.Visible = false;
panelShuffledVariants.Visible = true;
}
// Clear the list of games in the sub-category
// just in case we've been here before
lvGames.Items.Clear();
// Populate the list with the catalog child nodes
foreach (CatalogNode childnode in node.Children)
{
Game game = createGame(childnode.Name);
ListViewItem lvi = new ListViewItem(game.GameAttribute.GameName);
lvi.SubItems.Add(game.GameAttribute.InventedBy.Replace(";", " and "));
lvi.SubItems.Add(game.GameAttribute.Invented);
lvi.Tag = game;
lvi.ImageIndex = game.GameAttribute.Tags.Contains("Historic") ? 1 : 0;
lvGames.Items.Add(lvi);
}
lvGames.Items[0].Selected = true;
lvGames.Focus();
}
}
// *** EVENT HANDLERS *** //
#region Event Handlers
#region Form Load Event
private void MainForm_Load(object sender, EventArgs e)
{
// Tweek the user interface depending on whether or not we
// are running on Windows. This is because the program looks
// best with "Visual Styles" but Mono on Linux does not support
// this and it will look extra cheezy if we don't compensate.
// NOTE: Windows versions prior to Vista also don't support
// Visual Styles, but we don't bother to compensate for that.
if (Program.RunningOnWindows)
{
BackColor = Color.LemonChiffon;
}
else
{
panelGameIndexHeader.BackColor = Color.DarkGray;
}
// Populate the master game list with all known games
updateMasterGameList();
// *** POPULATE TAB CONTROL WITH GAME BUTTONS *** //
// Determine scaling in case the tab page size has been changed
// (by operating system hiDPI settings for example.)
double xScale = (double)tabIndexPage.Width / 1086;
double yScale = (double)tabIndexPage.Height / 546;
mainTabControl.SuspendLayout();
int pageNumber = 0;
// Iterate through the GameCatalog makeing a tab for each top-level category
foreach (CatalogNode node in Program.GameCatalog.Root.Children)
{
// Create a tab page for this category
TabPage page = new TabPage(node.Name);
// Tweek colors if we're running on Windows (and thus
// we assume we have Visual Styles available)
if (Program.RunningOnWindows)
{
page.BackColor = Color.White;
}
// Insert the tab page into the tab control
tabControlPages.Add(node, page);
mainTabControl.TabPages.Insert(pageNumber++, page);
// For now, no more than 6 games per top-level category supported
if (node.Children.Count <= 6)
{
// *** BUTTON VIEW *** //
// determine number of rows and columns of buttons
int nRows, nColumns;
calcRowAndColumnCountsForButtonDisplay(node.Children.Count, out nRows, out nColumns);
// layout game nodes into rows and columns
CatalogNode[,] nodes = new CatalogNode[nRows, nColumns];
for (int x = 0; x < node.Children.Count; x++)
{
nodes[x / nColumns, x % nColumns] = node.Children[x];
}
int placed = 0;
foreach (CatalogNode gamenode in node.Children)
{
if ((!gamenode.IsAbstract && Program.Manager.GameClasses.ContainsKey(gamenode.Name)) ||
(gamenode.IsAbstract && gamenode.SampleGameName != null && Program.Manager.GameClasses.ContainsKey(gamenode.SampleGameName)))
{
try
{
// calculate basic button position based on number of columns/rows
int xoffset = (int)((nColumns == 3 ? 48 : (nColumns == 2 ? 218 : 388)) * xScale);
int yoffset = (int)((nRows == 2 ? 32 : 162) * yScale);
// additional adjustments to compensate for auto-scaling based on font size
//xoffset += (ClientSize.Width - 1118) / 2;
//yoffset += (ClientSize.Height - 648) / 2;
// create an actual Game object of this type so we can ask it to
// draw a presentation of itself which we will draw on the button
Game game = createGame(gamenode.IsAbstract ? gamenode.SampleGameName : gamenode.Name);
// create the button and configure it
Button newbutton = new Button();
newbutton.BackgroundImage = createBitmapRenderingOfGame(game, xScale, yScale);
newbutton.BackgroundImageLayout = ImageLayout.Center;
newbutton.Location = new Point((int)((340 * (placed % nColumns) + xoffset) * xScale), (int)((260 * (placed / nColumns) + yoffset) * yScale));
newbutton.Name = "btnChess";
newbutton.Size = new Size((int)(293 * xScale), (int)(206 * yScale));
newbutton.TabIndex = 0;
newbutton.BackColor = SystemColors.ControlLight;
newbutton.UseVisualStyleBackColor = true;
newbutton.Tag = gamenode;
newbutton.Click += new EventHandler(btnSelectorButtons_Click);
// add this button to the controls on the tab page
page.Controls.Add(newbutton);
// now create a label to go underneath the button
Label newlabel = new Label();
newlabel.AutoSize = false;
newlabel.Size = new Size((int)(293 * xScale), (int)(24 * yScale));
newlabel.Location = new Point((int)((340 * (placed % nColumns) + xoffset) * xScale), (int)((260 * (placed / nColumns) + yoffset + 208) * yScale));
newlabel.TextAlign = ContentAlignment.MiddleCenter;
newlabel.Text = gamenode.Name;
newlabel.Font = new Font("Microsoft Sans Serif", 10F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(0)));
// add the label to the controls on the tab page
page.Controls.Add(newlabel);
// keep track of how many we've placed so the
// next one will be placed in the correct location
placed++;
}
catch (Exception ex)
{
// Something went horribly wrong. Sadly, this isn't all that
// uncommon when creating new kinds of games, so we display a
// fancy ExceptionForm that gives great detail about the
// exception and allows navigating to inner exceptions.
ExceptionForm exceptionForm = new ExceptionForm(ex, null);
exceptionForm.ShowDialog();
}
}
}
}
}
// we now switch pages from zero to one and back to zero
// to compensate for a glitch in the Mono tab control on Linux
mainTabControl.SelectedTab = mainTabControl.TabPages[1];
mainTabControl.ResumeLayout();
mainTabControl.SelectedTab = mainTabControl.TabPages[0];
// start the timer (which will only fire once, just for initialization.)
// when it goes off, we initialize the catalog of engines and discover
// any new engines automatically (if auto-discovery is enabled.)
startTimer.Start();
}
public GameCatalog()
{
Root = new CatalogNode(null, true);
}