/// <summary>
/// Instanciates a new background.
/// </summary>
/// <param name="map">The map to draw for the level.</param>
/// <param name="backgroundElements">The backgroundelements to draw for the level.</param>
public Background(string[] map, BackgroundElement[] backgroundElements)
{
int spriteWidth = 32;
y = (map.Length * spriteWidth) - GameForm.GameArea.Height;
focusRectangle = new Rectangle(0, map.Length * spriteWidth, GameForm.GameArea.Width, GameForm.GameArea.Height);
Height = focusRectangle.Y - GameForm.GameArea.Height;
background = new Bitmap(GameForm.GameArea.Width, map.Length * spriteWidth);
Graphics g = Graphics.FromImage(background);
imgAttribs = new ImageAttributes();
imgAttribs.SetColorKey(Color.FromArgb(0, 66, 173), Color.FromArgb(0, 66, 173));
//Loop trough all map strings.
for(int i = 0; i < map.Length; ++i)
{
//Create a char array of all map elements.
char[] mapElements = map[i].ToCharArray();
//Loop trough all chars in the map string.
for(int j = 0; j < mapElements.Length; ++j)
{
//Drawnig the map element to the map bitmap.
int index = SpriteList.Instance.GetTileIndex(mapElements[j]);
int n = SpriteList.Instance.Tiles.Length;
g.DrawImage(SpriteList.Instance.Tiles[index], j * spriteWidth, i * spriteWidth);
}
}
//Loop trough all background elements.
for(int i = 0; i < backgroundElements.Length; ++i)
{
BackgroundElement e = backgroundElements[i];
//Draw the map element to the map bitmap.
if(e.Width > 32)
g.DrawImage(SpriteList.Instance.BigBackgroundElements[e.SpriteIndex], new Rectangle(e.X, e.Y, e.Width, e.Height), 0, 0, e.Width, e.Height, GraphicsUnit.Pixel, imgAttribs);
}
//Dispose the graphics element used to draw the background.
g.Dispose();
}
/// <summary>
/// Method instanciating a new level based on a XML level file.
/// </summary>
/// <param name="filename">The path to the XML level file.</param>
public Level(string filename)
{
//Loading a XmlDocument based on the filepath.
XmlDocument xml = new XmlDocument();
xml.Load(filename);
//Setting the scrollspeed of the level. The speed is set by pixels pr. second.
Speed = Convert.ToInt32(xml.GetElementsByTagName("Level")[0].Attributes["Speed"].InnerText);
Name = xml.GetElementsByTagName("Level")[0].Attributes["Name"].InnerText;
//Loading the map ASCII table.
char[] seperator = {'\n'};
string mapString = xml.GetElementsByTagName("Map")[0].InnerText;
Map = mapString.Split(seperator);
//Selecting all background elements.
XmlNodeList bgElements = xml.GetElementsByTagName("Element");
BackgroundElements = new BackgroundElement[bgElements.Count];
//Creating all background elements.
for(int i = 0; i < bgElements.Count; ++i)
{
BackgroundElements[i] = new BackgroundElement(
Convert.ToInt32(bgElements[i].Attributes["X"].InnerText),
Convert.ToInt32(bgElements[i].Attributes["Y"].InnerText),
Convert.ToInt32(bgElements[i].Attributes["Height"].InnerText),
Convert.ToInt32(bgElements[i].Attributes["Width"].InnerText),
Convert.ToInt32(bgElements[i].Attributes["SpriteIndex"].InnerText));
}
//Selecting all bonus elements.
XmlNodeList bonusElements = xml.GetElementsByTagName("Bonus");
Bonuses = new Bonus[bonusElements.Count];
//Creating all bonus elements.
for(int i = 0; i < bonusElements.Count; ++i)
{
Bonuses[i] = new Bonus(
Convert.ToInt32(bonusElements[i].Attributes["X"].InnerText),
Convert.ToInt32(bonusElements[i].Attributes["Y"].InnerText),
Convert.ToInt32(bonusElements[i].Attributes["Speed"].InnerText) / GameForm.FramesPerSecond,
(BonusType)Convert.ToInt32(bonusElements[i].Attributes["BonusType"].InnerText));
}
//Selecting all enemies.
XmlNodeList enemies = xml.GetElementsByTagName("Enemy");
Enemies = new Enemy[enemies.Count];
//Creating all enemies.
for(int i = 0; i < enemies.Count; ++i)
{
Enemies[i] = new Enemy(
Convert.ToInt32(enemies[i].Attributes["X"].InnerText),
Convert.ToInt32(enemies[i].Attributes["Y"].InnerText),
Convert.ToInt32(enemies[i].Attributes["Speed"].InnerText) / GameForm.FramesPerSecond,
(MovePattern)Convert.ToInt32(enemies[i].Attributes["MovePattern"].InnerText),
(EnemyType)Convert.ToInt32(enemies[i].Attributes["EnemyType"].InnerText),
(BulletType)Convert.ToInt32(enemies[i].Attributes["BulletType"].InnerText),
Convert.ToInt32(enemies[i].Attributes["BulletPower"].InnerText),
(double)(Convert.ToDouble(enemies[i].Attributes["BulletSpeed"].InnerText) / GameForm.FramesPerSecond),
(double)(Convert.ToDouble(enemies[i].Attributes["BulletReloadTime"].InnerText) / (double)1000) * GameForm.FramesPerSecond,
Convert.ToInt32(enemies[i].Attributes["Power"].InnerText),
Convert.ToInt32(enemies[i].Attributes["Score"].InnerText));
}
//Creating the background map for this level.
BackgroundMap = new Background(Map, BackgroundElements);
BackgroundMap.Speed = Speed / GameForm.FramesPerSecond;
//Creating a arraylist to hold all the bullets on the level.
Bullets = new ArrayList();
}
