/// <summary>
/// Reads the <see cref="BackgroundImage"/> from an <see cref="IValueReader"/>.
/// </summary>
/// <param name="reader">The <see cref="IValueReader"/> to read from.</param>
protected override void Read(IValueReader reader)
{
base.Read(reader);
HorizontalLayout = reader.ReadEnum <BackgroundLayerLayout>(_horizontalLayoutKey);
VerticalLayout = reader.ReadEnum <BackgroundLayerLayout>(_verticalLayoutKey);
}
/// <summary>
/// Handles drawing the <see cref="BackgroundImage"/>.
/// </summary>
/// <param name="sb">The <see cref="ISpriteBatch"/> to use to draw.</param>
protected override void HandleDraw(ISpriteBatch sb)
{
var spriteSize = SpriteSourceSize;
var pos = GetPosition(Map.Size, Camera, spriteSize);
var vl = VerticalLayout;
var hl = HorizontalLayout;
if (hl == BackgroundLayerLayout.Stretched && vl == BackgroundLayerLayout.Stretched)
{
// Stretch both directions
spriteSize.X = GetStretchedSize(Camera.Size.X * Camera.Scale, Map.Size.X, Depth);
spriteSize.Y = GetStretchedSize(Camera.Size.Y * Camera.Scale, Map.Size.Y, Depth);
var rect = new Rectangle((int)pos.X, (int)pos.Y, (int)spriteSize.X, (int)spriteSize.Y);
Sprite.Draw(sb, rect, Color);
}
else if (vl == BackgroundLayerLayout.Tiled &&
(hl == BackgroundLayerLayout.None || hl == BackgroundLayerLayout.Stretched))
{
// Stretch/none horizontal, tile vertical
int drawWidth;
if (hl == BackgroundLayerLayout.None)
drawWidth = (int)spriteSize.X;
else
drawWidth = (int)GetStretchedSize(Camera.Size.X * Camera.Scale, Map.Size.X, Depth);
sb.DrawTiledY((int)pos.Y, (int)Camera.Max.Y + 64, (int)pos.X, Sprite, Color.White, drawWidth);
}
else if (hl == BackgroundLayerLayout.Tiled &&
(vl == BackgroundLayerLayout.None || vl == BackgroundLayerLayout.Stretched))
{
// Tile horizontal, stretch/none vertical
int drawHeight;
if (vl == BackgroundLayerLayout.None)
drawHeight = (int)spriteSize.Y;
else
drawHeight = (int)GetStretchedSize(Camera.Size.X * Camera.Scale, Map.Size.X, Depth);
sb.DrawTiledX((int)pos.X, (int)Camera.Max.X + 64, (int)pos.Y, Sprite, Color.White, drawHeight);
}
else if (hl == BackgroundLayerLayout.Tiled && vl == BackgroundLayerLayout.Tiled)
{
// Tile both directions
sb.DrawTiledXY((int)pos.X, (int)Camera.Max.X + 64, (int)pos.Y, (int)Camera.Max.Y + 64, Sprite, Color);
}
else if (hl == BackgroundLayerLayout.None && vl == BackgroundLayerLayout.None)
{
// None in both directions
Sprite.Draw(sb, pos);
}
else
{
// Unknown or unhandled permutation
const string errmsg =
"Unknown or unhandled BackgroundLayerLayout provided." +
" Changing layouts to BackgroundLayerLayout.None. HorizontalLayout: `{0}` VerticalLayout: `{1}`";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, HorizontalLayout, VerticalLayout);
HorizontalLayout = BackgroundLayerLayout.None;
VerticalLayout = BackgroundLayerLayout.None;
}
}
/// <summary>
/// Reads the <see cref="BackgroundImage"/> from an <see cref="IValueReader"/>.
/// </summary>
/// <param name="reader">The <see cref="IValueReader"/> to read from.</param>
protected override void Read(IValueReader reader)
{
base.Read(reader);
HorizontalLayout = reader.ReadEnum<BackgroundLayerLayout>(_horizontalLayoutKey);
VerticalLayout = reader.ReadEnum<BackgroundLayerLayout>(_verticalLayoutKey);
}
/// <summary>
/// Handles drawing the <see cref="BackgroundImage"/>.
/// </summary>
/// <param name="sb">The <see cref="ISpriteBatch"/> to use to draw.</param>
protected override void HandleDraw(ISpriteBatch sb)
{
var spriteSize = SpriteSourceSize;
var pos = GetPosition(Map.Size, Camera, spriteSize);
var vl = VerticalLayout;
var hl = HorizontalLayout;
if (hl == BackgroundLayerLayout.Stretched && vl == BackgroundLayerLayout.Stretched)
{
// Stretch both directions
spriteSize.X = GetStretchedSize(Camera.Size.X * Camera.Scale, Map.Size.X, Depth);
spriteSize.Y = GetStretchedSize(Camera.Size.Y * Camera.Scale, Map.Size.Y, Depth);
var rect = new Rectangle((int)pos.X, (int)pos.Y, (int)spriteSize.X, (int)spriteSize.Y);
Sprite.Draw(sb, rect, Color);
}
else if (vl == BackgroundLayerLayout.Tiled &&
(hl == BackgroundLayerLayout.None || hl == BackgroundLayerLayout.Stretched))
{
// Stretch/none horizontal, tile vertical
int drawWidth;
if (hl == BackgroundLayerLayout.None)
{
drawWidth = (int)spriteSize.X;
}
else
{
drawWidth = (int)GetStretchedSize(Camera.Size.X * Camera.Scale, Map.Size.X, Depth);
}
sb.DrawTiledY((int)pos.Y, (int)Camera.Max.Y + 64, (int)pos.X, Sprite, Color.White, drawWidth);
}
else if (hl == BackgroundLayerLayout.Tiled &&
(vl == BackgroundLayerLayout.None || vl == BackgroundLayerLayout.Stretched))
{
// Tile horizontal, stretch/none vertical
int drawHeight;
if (vl == BackgroundLayerLayout.None)
{
drawHeight = (int)spriteSize.Y;
}
else
{
drawHeight = (int)GetStretchedSize(Camera.Size.X * Camera.Scale, Map.Size.X, Depth);
}
sb.DrawTiledX((int)pos.X, (int)Camera.Max.X + 64, (int)pos.Y, Sprite, Color.White, drawHeight);
}
else if (hl == BackgroundLayerLayout.Tiled && vl == BackgroundLayerLayout.Tiled)
{
// Tile both directions
sb.DrawTiledXY((int)pos.X, (int)Camera.Max.X + 64, (int)pos.Y, (int)Camera.Max.Y + 64, Sprite, Color);
}
else if (hl == BackgroundLayerLayout.None && vl == BackgroundLayerLayout.None)
{
// None in both directions
Sprite.Draw(sb, pos);
}
else
{
// Unknown or unhandled permutation
const string errmsg =
"Unknown or unhandled BackgroundLayerLayout provided." +
" Changing layouts to BackgroundLayerLayout.None. HorizontalLayout: `{0}` VerticalLayout: `{1}`";
if (log.IsErrorEnabled)
{
log.ErrorFormat(errmsg, HorizontalLayout, VerticalLayout);
}
HorizontalLayout = BackgroundLayerLayout.None;
VerticalLayout = BackgroundLayerLayout.None;
}
}