/// <summary>
/// Factory Method for level creation. Creates a new content manager for
/// loading a particular theme and loads the level from the provided file.
/// </summary>
/// <param name="filepath"></param>
/// <param name="theme"></param>
/// <returns>The newly created level.</returns>
public Level CreateLevel(String name, String filepath, String theme)
{
if (!File.Exists(filepath))
throw new FileNotFoundException("The level could not be loaded", filepath);
random = new Random(354668); // Arbitrary, but constant seed
//Setup the content manager for the level
themedContent = new ContentManager(services);
if (theme.Length == 0)
themedContent.RootDirectory = "Content/Theme/default/";
else
themedContent.RootDirectory = "Content/Theme/" + theme + "/";
Stream fileStream = TitleContainer.OpenStream(filepath);
List<String> levelRows;
List<String> levelBindings;
using (StreamReader reader = new StreamReader(fileStream))
{
//Phase 1 - Read the level rows
levelRows = ParseLevel(reader);
//Phase 2 - Read the level links
levelBindings = ParseBindings(reader);
}
int width = 0;
if (levelRows.Count > 0)
width = levelRows[0].Split(',').Length;
int height = levelRows.Count;
Level level = new Level(name, width * 2, height, themedContent);
BuildLevel(levelRows, level);
BindLevel(levelBindings, level);
//Clean-up
themedContent = null;
random = null;
return level;
}
public void NextLevel(String levelName)
{
if (existingLevels.ContainsKey(levelName))
{
activeLevel = existingLevels[levelName];
player.EnterLevel(activeLevel);
}
}
/// <summary>
/// Load a story and create all of the levels listed in the file by using the LevelFactory.
/// </summary>
/// <param name="storyPath">The filepath of the story file.</param>
public void LoadStory(string storyPath)
{
if (!File.Exists(storyPath))
throw new FileNotFoundException("The story could not be found", storyPath);
existingLevels.Clear();
Stream fileStream = TitleContainer.OpenStream(storyPath);
using (StreamReader reader = new StreamReader(fileStream))
{
//Just loads all the levels
while(!reader.EndOfStream)
{
string newLine = reader.ReadLine();
string[] tuple = newLine.Split(','); //Should be level name, filepath, theme
Level newLevel = levelFactory.CreateLevel(tuple[0].Trim(), "Content/" + tuple[1].Trim(), tuple[2].Trim());
existingLevels.Add(tuple[0].Trim(), newLevel);
if (activeLevel == null)
activeLevel = newLevel;
}
}
//Vector2 SpawnPoint = activeLevel.ActiveSpawn.Position;
player.EnterLevel(activeLevel);
}
/// <summary>
/// Assigns the level the water drain belongs to.
/// </summary>
/// <param name="level">Housing level.</param>
public void bindToLevel(Level level)
{
this.level = level;
}
/// <summary>
/// Builds the level based on the tile layout. This method setups the
/// basic tile grid, along with creating activators, activatables and moving tiles.
/// </summary>
/// <param name="levelRows"></param>
/// <param name="level"></param>
private void BuildLevel(List<String> levelRows, Level level)
{
// Load the tiles and components
for (int y = 0; y < level.Height; ++y)
{
string line = levelRows[y];
string[] lineTiles = line.Split(',');
for (int x = 0; x < level.Width; ++x)
{
if (x < lineTiles.Length)
{
string tileID = lineTiles[x].Trim();
char tileType = '.';
if (tileID.Length > 0)
tileType = tileID[0]; //The type is always the first part of the string
//Create level tiles;
Tile newTile = CreateTile(tileType, x, y);
level.addTile(x, y, newTile);
if (newTile is WaterSource)
{
WaterSource waterSource = (WaterSource)newTile;
waterSource.bindToLevel(level);
level.addActivatable(tileID, waterSource);
}
if (newTile is WaterDrain)
{
WaterDrain waterDrain = (WaterDrain)newTile;
waterDrain.bindToLevel(level);
level.addActivatable(tileID, waterDrain);
}
int xDrawPostion = x * Tile.Width;
int yDrawPostion = y * Tile.Height;
//Create Activator
Platformer.Tiles.Activator actor = CreateActivator(tileType, xDrawPostion, yDrawPostion);
if (actor != null)
{
level.addActivator(tileID, actor);
//Special case to link exits
if (actor is Exit)
{
int uid = int.Parse(Regex.Match(tileID, @"\d+").Value, NumberFormatInfo.InvariantInfo);
Exit exit = (Exit)actor;
exit.LevelIndex = uid;
}
if (actor is Mirror)
{
level.addActivatable(tileID, (Mirror)actor);
}
}
//Create Activatable
IActivatable active = CreateActivatable(tileType, xDrawPostion, yDrawPostion);
if (active != null)
{
level.addActivatable(tileID, active);
//Special case to link spawn points into the levels, could do this inside level itself
if (active is Spawner)
{
Spawner sp = (Spawner)active;
sp.bindToLevel(level);
}
// Special case to create ladder tiles (which are both tiles and activatable)
if (active is LadderTile)
{
level.addTile(x, y, (LadderTile) active);
}
}
//Create Moving Platform
MoveableTile mTile = CreateMoveable(tileType, xDrawPostion, yDrawPostion);
if (mTile != null)
{
level.addMoveable(tileID, mTile);
if (mTile is IActivatable)
level.addActivatable(tileID, (IActivatable)mTile);
}
}
else //Just add empty tiles to make up the length
{
level.addTile(x, y);
}
}
}
}
/// <summary>
/// Adds bindings to the activators for their activatables.
/// </summary>
/// <param name="levelBinds"></param>
/// <param name="level"></param>
private void BindLevel(List<String> levelBinds, Level level)
{
//Link up stuff
foreach (string link in levelBinds)
{
string[] linkGroup = link.Split(',');
string actor = linkGroup[0].Trim();
int msDelay = int.Parse(linkGroup[1]);
if (actor.Equals("ACTIVE")) //Special case
{
for (int i = 2; i < linkGroup.Length; i++)
{
string active = linkGroup[i].Trim();
level.activate(active);
}
}
else
{
for (int i = 2; i < linkGroup.Length && linkGroup[i].Length > 0; i++)
{
string active = linkGroup[i].Trim();
level.addBind(actor, active);
}
}
}
}