public int CompareTo(object e)
{
if (e == null)
{
return(1);
}
BackgroundObject other = e as BackgroundObject;
if (other != this)
{
return(this.depth > other.depth ? 1 : this.depth < other.depth ? -1 : 0);
}
else
{
throw new ArgumentException("Object is not BackgroundObject");
}
}
public override void Draw(GameTime gameTime, SpriteBatch spriteBatch)
{
//draw tiles
if (parent != null)
{
if (parent.Player != null)
{
position = parent.Player.Position;
}
for (int i = 0; i < parent.BackList.Count; i++) //draw background
{
BackgroundObject o = parent.BackList[i];
if (o.Image != null)
{
spriteBatch.Draw(o.Image,
new Rectangle(
(int)(((o.Position.X - o.Size.X / 2) - position.X) * zoomScale * o.Depth + PointOnScreen.X),
(int)(-((o.Position.Y + o.Size.Y / 2) - position.Y) * zoomScale * o.Depth + PointOnScreen.Y),
(int)(o.Size.X * zoomScale), (int)(o.Size.Y * zoomScale)),
o.SrcRect, o.Col);
}
}
for (int y = 0; y < parent.Tiles.GetLength(0); y++)
{
for (int x = 0; x < parent.Tiles.GetLength(1); x++)
{
Tile til = parent.Tiles[y, x];
if (til != null)
{
spriteBatch.Draw(Game1.tileSheets[til.TileSheetName],
new Rectangle(
(int)((x * Tile.TILE_WIDTH - position.X) * zoomScale + PointOnScreen.X),
(int)(-((y + 1) * Tile.TILE_WIDTH - position.Y) * zoomScale + PointOnScreen.Y),
(int)(Tile.TILE_WIDTH * zoomScale), (int)(Tile.TILE_WIDTH * zoomScale)),
new Rectangle(
(til.TileSheetIndex % Tile.VARS) * Tile.TILE_TEX_WIDTH,
(til.TileSheetIndex / Tile.VARS) * Tile.TILE_TEX_WIDTH,
Tile.TILE_TEX_WIDTH, Tile.TILE_TEX_WIDTH),
Color.White);
}
}
}
foreach (Entity ent in Parent.Entities)//draw entities
{
if (ent.Texture != null)
{
spriteBatch.Draw(ent.Texture, new Rectangle(
(int)((ent.Position.X - ent.Size.X / 2 - position.X) * zoomScale + PointOnScreen.X),
(int)(-(ent.Position.Y + ent.Size.Y / 2 - position.Y) * zoomScale + PointOnScreen.Y),
(int)(ent.Size.X * zoomScale), (int)(ent.Size.Y * zoomScale)),
ent.SourceRect, ent.Color);
}
}
foreach (Particle p in Parent.Particles) //draw particles
{
if (p.Texture != null)
{
spriteBatch.Draw(p.Texture, new Rectangle(
(int)((p.Position.X - p.Size.X / 2 - position.X) * zoomScale + PointOnScreen.X),
(int)(-(p.Position.Y + p.Size.Y / 2 - position.Y) * zoomScale + PointOnScreen.Y),
(int)(p.Size.X * zoomScale), (int)(p.Size.Y * zoomScale)), p.SourceRect, p.Color);
}
}
}
}
