Game.LambdaHack.Color

Colours and text attributes.

Colours

data Color

Colours supported by the major frontends.

Constructors

Black

Red

Green

Brown

Blue

Magenta

Cyan

White

BrBlack

BrRed

BrGreen

BrYellow

BrBlue

BrMagenta

BrCyan

BrWhite

Instances

Bounded Color

Enum Color

Eq Color

Ord Color

Show Color

Binary Color

defBG, defFG :: Color

The default colours, to optimize attribute setting.

isBright :: Color -> Bool

A helper for the terminal frontends that display bright via bold.

legalBG :: [Color]

Due to the limitation of the curses library used in the curses frontend, only these are legal backgrounds.

colorToRGB :: Color -> String

Translationg to heavily modified Linux console color RGB values.

Text attributes and the screen

data Attr

Text attributes: foreground and backgroud colors.

Constructors

Attr

Fields

fg :: !Color

foreground colour

bg :: !Color

backgroud color

Instances

Eq Attr

Ord Attr

Show Attr

Binary Attr

defaultAttr :: Attr

The default attribute, to optimize attribute setting.

data AttrChar

Constructors

AttrChar

Fields

acAttr :: !Attr

acChar :: !Char

Instances

Eq AttrChar

Show AttrChar

Binary AttrChar

data SingleFrame

The data sufficent to draw a single game screen frame.

Constructors

SingleFrame

Fields

sfLevel :: ![[AttrChar]]

content of the screen, line by line

sfTop :: String

an extra line to show at the top

sfBottom :: String

an extra line to show at the bottom

Instances

Eq SingleFrame

type Animation = [IntMap AttrChar]

Animation is a list of frame modifications to play one by one, where each modification if a map from locations to level map symbols.