// request next block of entries
private void RequestNextBlockOfEntries()
{
// bail out if we are currently waiting for a page request to finish
if (requestedPage != null) return;
// request the next batch of entries
lastRequestedPage.RequestNext();
// set requested page so that we can monitor the status
requestedPage = lastRequestedPage;
}
public void Update()
{
// do we have a current leaderboard?
if (currentLeaderboard != null)
{
// are we currently waiting for a page request to finish?
if (requestedPage != null)
{
// check if the page request has completed and process accoringly
switch (requestedPage.PopulationState)
{
case ICELandaLib.LeaderboardPopulationState.LPS_PENDING:
// nothing to do yet...
break;
case ICELandaLib.LeaderboardPopulationState.LPS_INVALID:
// data request failed - bail out and release requested page so we can try again later!
requestedPage = null;
break;
case ICELandaLib.LeaderboardPopulationState.LPS_POPULATED:
// check to see if we recieved less entries than expected
if (requestedPage.Size < 20)
{
// if we recieved less than 20 entries then we must have reached the end of the leaderboard
// set no more entries to true so we dont constantly spam the website asking for more entries
noMoreEntries = true;
}
// got the data - copy it to our local list
for (uint i = 0; i < requestedPage.Size; i ++)
{
ICELandaLib.CoLeaderboardRow row = requestedPage.GetRow(i);
entries.Add(new leaderboardEntry(row.Rank.ToString() + " - " + row.UserName, row.Score.ToString()));
}
// increased the number of entries recieved
numEntriesReceived += (int)requestedPage.Size;
// store the last requested page and release the requested page ready for next time
lastRequestedPage = requestedPage;
requestedPage = null;
break;
}
}
}
}
// request first block of entries
private void RequestFirstBlockOfEntries()
{
// bail out if we are currently waiting for a page request to finish
if (requestedPage != null) return;
// reset the entry display index etc ready for drawing the new leaderboard
entryDisplayIndex = 0;
entriesDisplayed = 0;
// ensure that entries recieved and entries are reset
numEntriesReceived = 0;
noMoreEntries = false;
entries.Clear();
// request the first 20 entries
currentLeaderboard = leaderboardManager.GetLeaderboardFromId(leaderboardUIDlist[currentLeaderboardIndex]);
requestedPage = currentLeaderboard.GetGlobalPage(entriesPerBatch);
}
public ICLeaderboardsBrowser(Game game, GraphicsDeviceManager graphicsDeviceManager, ICELandaLib.CoLeaderboardManager leaderboardManager, ICLeaderboardScale scale, int[] leaderboardUIDlist)
{
// create a content manager to handle loading the textures we need
ContentManager content = new ContentManager(game.Services);
// store the graphics device for future reference
this.graphicsDevice = game.GraphicsDevice;
// store a handle to the leaderboard manager
this.leaderboardManager = leaderboardManager;
// store the scale we are using
if (scale == ICLeaderboardScale.normal)
displayScale = 1.0f;
else
displayScale = 0.5f;
// store the ordered list of leaderboard UID values
this.leaderboardUIDlist = leaderboardUIDlist;
// create a sprite batch for rendering
spriteBatch = new SpriteBatch(graphicsDevice);
// load the leaderboard display textures
bannerTexture = content.Load<Texture2D>(@"Content\ICLeaderboards\Shadow");
// load the leaderboard fonts
if (scale == ICLeaderboardScale.normal)
{
nameFont = content.Load<SpriteFont>(@"Content\ICLeaderboards\NameFont");
valueFont = content.Load<SpriteFont>(@"Content\ICLeaderboards\ValueFont");
}
else
{
nameFont = content.Load<SpriteFont>(@"Content\ICLeaderboards\NameFontSmall");
valueFont = content.Load<SpriteFont>(@"Content\ICLeaderboards\ValueFontSmall");
}
// by default we want to display the first leaderbaord in the list
currentLeaderboardIndex = 0;
// by default we want to display the leaderboard from the first entry onwards
entryDisplayIndex = 0;
// the number of leaderboard entries that were previously displayed
entriesDisplayed = 0;
// ensure leaderboard entries recieved, currentLeaderboard and requestedPage are all reset
numEntriesReceived = 0;
noMoreEntries = false;
currentLeaderboard = null;
requestedPage = null;
lastRequestedPage = null;
entries = new List<leaderboardEntry>();
}
