/// <summary>
/// A map of the 16 possible neighbouring tile solidity
/// states to the characters that should be used when
/// drawing walls.
///
/// TODO: Move to a definition file, allowing for different
/// types of walls?
/// </summary>
/// <summary>
/// Renders the tiles deemed visible within the room corresponding
/// to this visibility mask to the specified location on the screen.
/// </summary>
/// <param name="vis">Visibility mask to draw from.</param>
/// <param name="rect">Clipping rectangle in level-space.</param>
/// <param name="screenPos">Position on the screen that the top-left
/// of the rectangle should be drawn to.</param>
/// <param name="attribs">Attributes to be used when drawing tiles
/// and entities.</param>
public static void Draw(this RoomVisibility vis, Rectangle rect, Position screenPos, DrawAttributes attribs, ulong time)
{
var subRect = vis.Rect.Intersection(rect);
var roomPos = vis.Rect.TopLeft;
if (subRect.Width * subRect.Height <= 0) return;
// Move the screen position and clipping rectangle to room-space.
screenPos += roomPos - rect.TopLeft;
rect = subRect - roomPos;
foreach (var tile in vis.GetVisible(time)) {
if (rect.Intersects(tile.Position)) {
tile.Draw(screenPos + tile.Position, attribs, true);
}
}
foreach (var tile in vis.GetRemembered(time)) {
if (rect.Intersects(tile.Position)) {
tile.Draw(screenPos + tile.Position, new DrawAttributes(0), false);
}
}
}
internal static void Draw(ServerConnection server)
{
Interface.Display.Clear();
if (server != null) {
// removed Level lock
var attribs = new DrawAttributes(_flash++);
var rect = Interface.Display.Rect + server.PlayerPosition - Interface.Display.Center;
foreach (var vis in server.Visibility) {
vis.Draw(rect, Position.Zero, attribs, server.Time);
}
}
// Render user interface
if (UIManager != null)
UIManager.Draw();
Interface.Display.Refresh();
}
/// <summary>
/// Renders an individual tile and any entities it contains to the
/// specified location on the screen.
/// </summary>
/// <param name="tile">Tile to draw.</param>
/// <param name="screenPos">Position on the screen to draw the tile.</param>
/// <param name="attribs">Attributes to be used when drawing the tile and any entities.</param>
/// <param name="visible">If true, the tile is currently within visible range.</param>
public static void Draw(this TileAppearance tile, Position screenPos, DrawAttributes attribs, bool visible)
{
if (tile.EntityCount == 0) {
Interface.Display.SetCell(screenPos, tile.Symbol,
visible ? tile.ForeColor : ConsoleColor.DarkBlue,
visible ? tile.BackColor : ConsoleColor.Black);
} else {
int index = (attribs.Flash / EntityFlashPeriod) % tile.EntityCount;
var entity = tile[index];
var frame = entity[attribs.Flash % entity.FrameCount];
Interface.Display.SetCell(screenPos, frame.Symbol,
visible ? frame.ForeColor : ConsoleColor.DarkBlue,
visible ? frame.BackColor : ConsoleColor.Black);
}
}