public void LoadLevel( string levelName )
{
if( !_levelUnloaded )
UnloadLevel( );
LevelLoading( );
string path = Path.Combine( _gameManager.levelsFolder, levelName + GameManager.LEVEL_EXTENSION );
using( BinaryReader file = new BinaryReader( File.OpenRead( path ) ) )
{
//Check the header of the file for validation
if( file.ReadString( ) != GameManager.FILE_ID )
{
Console.WriteLine( Path.GetFileName( path ) + " is invalid or corrupted!" );
return;
}
//Get the file version
int levelVersion = file.ReadInt32( );
Level lvl = null;
//Get level script's name and immediately loads the script
string scriptName = file.ReadString( );
if( scriptName != GameManager.NO_SCRIPT )
{
Type type = _gameManager.GetClassType( scriptName );
if( type != null )
lvl = Activator.CreateInstance( type ) as Level;
}
if( lvl == null )
lvl = new Level( );
// ---- Start reading the sprite references for this level
//Get the number of sprite references
int spriteCount = file.ReadInt32( );
//Create a local array to hold the sprite paths
string[] tmpPaths = new string[spriteCount];
for( int i = 0; i < spriteCount; i++ )
{
//Get the sprite's name
string line = file.ReadString( );
tmpPaths[i] = Path.Combine( _gameManager.spritesFolder, line + ".xnb" );
}
//Pass the array of sprite paths and load the sprites
LoadSprite( tmpPaths );
//Checks for the level file version. Font data is only supported in version 2 and above
if( levelVersion >= 2 )
{
// ---- Start reading the font references for this level
//Get the number of font references
int fontCount = file.ReadInt32( );
//Create a local array to hold the font paths
tmpPaths = new string[fontCount];
for( int i = 0; i < fontCount; i++ )
{
//Get the font's name
string line = file.ReadString( );
tmpPaths[i] = Path.Combine( _gameManager.fontsFolder, line + ".xnb" );
}
//Pass the array of font paths and load the fonts
LoadFont( tmpPaths );
}
// ---- Start reading the layers data
//Get the number of layers
int layerCount = file.ReadInt32( );
for( int i = 0; i < layerCount; i++ )
{
// ---- Read the layer data
//Get the layer's name
string line = file.ReadString( );
//Create a new layer instance
Layer layer = new Layer( line );
//Get the layer Visible value
layer.Visible = file.ReadBoolean( );
//Get the layer Scale value
layer.Scale = file.ReadSingle( );
//Get the number of actors on this layer
int actorCount = file.ReadInt32( );
for( int j = 0; j < actorCount; j++ )
{
// ---- Read the actor data
//Create a new Actor instance
Actor actor = null;
//Get the actor's ID
int ID = file.ReadInt32( );
//Get the sprite name
string spriteName = file.ReadString( );
//Get the script name
scriptName = file.ReadString( );
if( scriptName != GameManager.NO_SCRIPT )
{
Type type = _gameManager.GetClassType( scriptName );
if( type != null )
actor = Activator.CreateInstance( type ) as Actor;
}
if( actor == null )
actor = new Actor( );
actor.ID = ID;
//Assign the correct sprite to the actor if a match is found
if( Sprites.ContainsKey( spriteName ) )
actor.Sprite = Sprites[spriteName];
//Get and assign the name of the actor
actor.Name = file.ReadString( );
//Get and assign the actor's position
actor.Position = new Vector2( file.ReadSingle( ), file.ReadSingle( ) );
//Get and assign the actor's origin
actor.Origin = new Vector2( file.ReadSingle( ), file.ReadSingle( ) );
//Get and assign the actor's scale
actor.Scale = file.ReadSingle( );
//Get and assign the actor's rotation angle
actor.Rotation = file.ReadSingle( );
//Get and assign the actor's visibility
actor.Visible = file.ReadBoolean( );
if( levelVersion >= 3 )
{
int tagCount = file.ReadInt32( );
for( int k = 0; k < tagCount; k++ )
{
actor.AddTag( file.ReadString( ) );
}
bool isTextActor = file.ReadBoolean( );
if( isTextActor )
{
if( ( actor as TextActor ) == null )
{
TextActor txtActor = new TextActor( );
actor.CopyValues( txtActor );
actor = txtActor;
}
string fontName = file.ReadString( );
if( Fonts.ContainsKey( fontName ) )
( actor as TextActor ).Font = Fonts[fontName];
( actor as TextActor ).Text = file.ReadString( );
( actor as TextActor ).TextColor = new Color( file.ReadByte( ), file.ReadByte( ), file.ReadByte( ), file.ReadByte( ) );
}
}
//Add the actor to the layer
layer.AddActor( actor );
}
//Add the layer instance to the level
lvl.NewLayer( layer );
}
file.Close( );
lvl.Game = this;
ActiveLevel = lvl;
}
LevelLoaded( );
ActiveLevel.Init( );
foreach( Layer layer in ActiveLevel.Layers.Values )
{
foreach( Actor actor in layer.Actors )
{
actor.Init( );
}
}
}
private Actor NewActor( ActorType actorType )
{
Actor actor = null;
if( actorType.ScriptName != GameManager.NO_SCRIPT )
{
Type type = _game.GameManager.GetClassType( actorType.ScriptName );
if( type != null )
actor = Activator.CreateInstance( type ) as Actor;
}
if( actor == null )
{
if( actorType.IsTextActor )
actor = new TextActor( );
else
actor = new Actor( );
}
actor.Name = actorType.Name;
actor.Scale = actorType.Scale;
actor.Rotation = actorType.Rotation;
actor.Visible = true;
if( actorType.IsTextActor )
{
TextActor textActor = actor as TextActor;
if( _game.LoadFont( actorType.FontName ) )
{
textActor.Font = _game.Fonts[actorType.FontName];
textActor.Text = actorType.Text;
textActor.TextColor = actorType.TextColor;
}
}
else
{
if( _game.LoadSprite( actorType.SpriteName ) )
{
actor.Sprite = _game.Sprites[actorType.SpriteName];
actor.Origin = new Vector2( actor.Sprite.Texture.Width * 0.5f, actor.Sprite.Texture.Height * 0.5f );
}
}
return actor;
}