public RoomPlan(Rectangle rect, RoomGenerator generator, int index)
{
Index = index;
Rect = rect;
Generator = generator;
Doors = new Dictionary<RoomPlan, Rectangle>();
}
/// <summary>
/// Creates a new RoomVisibility instance to track the visibility
/// of tiles within a specified room.
/// </summary>
/// <param name="room">Room to track the visibility of.</param>
public RoomVisibility(Rectangle rect)
{
Rect = rect;
LastVisibleTime = 0;
_mask = new ulong[Rect.Width, Rect.Height];
_tiles = new TileAppearance[Rect.Width, Rect.Height];
}
/// <summary>
/// Creates an widget.
/// </summary>
/// <param name="name">Name of the widget.</param>
/// <param name="pos">Position of the widget.</param>
/// <param name="width">Size of the widget.</param>
/// <param name="height">Size of the widget.</param>
/// <param name="isSelectable">If true widget can be selected.</param>
/// <param name="fc">Foreground color (default gray).</param>
/// <param name="bc">Background color (default black).</param>
public Widget(string name, Position pos, int width, int height, bool isSelectable,
ConsoleColor fc = ConsoleColor.Gray, ConsoleColor bc = ConsoleColor.Black)
{
this.Name = name;
this.rectangle = new Rectangle(pos, new Position(pos.X + width, pos.Y + height));
this.ForegroundColor = fc;
this.BackgroundColor = bc;
_isSelectable = isSelectable;
}
/// <summary>
/// Finds the smallest rectangle that encloses both this
/// instance and another given rectangle.
/// </summary>
/// <param name="rect">Rectangle to find the union of.</param>
/// <returns>A rectangle that encloses both this instance and
/// the given rectangle.</returns>
public Rectangle Union(Rectangle rect)
{
if (Area == 0) return rect;
if (rect.Area == 0) return this;
var tl = new Position(
Math.Min(this.Left, rect.Left),
Math.Min(this.Top, rect.Top));
var br = new Position(
Math.Max(this.Right, rect.Right),
Math.Max(this.Bottom, rect.Bottom));
return new Rectangle(tl, br);
}
public bool IsAdjacent(Rectangle rect)
{
return (this.Left == rect.Right || rect.Left == this.Right)
!= (this.Top == rect.Bottom || rect.Top == this.Bottom);
}
/// <summary>
/// Tests to see if the given rectangle intersects with this one.
/// </summary>
/// <param name="rect">Rectangle to perform an intersection
/// test with.</param>
/// <returns>True if the rectangle has a non-zero intersection
/// area with this one, and false otherwise.</returns>
public bool Intersects(Rectangle rect)
{
return this.Right > rect.Left && this.Bottom > rect.Top
&& rect.Right > this.Left && rect.Bottom > this.Top;
}
/// <summary>
/// Finds the rectangle describing the intersection between
/// this and another rectangle if one exists, and otherwise
/// an empty rectangle.
/// </summary>
/// <param name="rect">Rectangle to find the intersection with.</param>
/// <returns>The intersecting rectangle if one exists, and
/// otherwise the zero rectangle.</returns>
public Rectangle Intersection(Rectangle rect)
{
if (!Intersects(rect) && !IsAdjacent(rect)) return Rectangle.Zero;
var tl = new Position(
Math.Max(this.Left, rect.Left),
Math.Max(this.Top, rect.Top));
var br = new Position(
Math.Min(this.Right, rect.Right),
Math.Min(this.Bottom, rect.Bottom));
return new Rectangle(tl, br);
}
public void AddDoor(RoomPlan room, Rectangle rect)
{
Doors.Add(room, rect.Intersection(Rect) - Rect.TopLeft);
}
public abstract IEnumerable<Room> Generate(Level level, Rectangle rect, Rectangle[] doors, Random rand);
/// <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);
}
}
}
