Game Specific Options

(Pre-Initialized)

Board Size?Starting Position?

Allow Diagonal moves or

wins?Etc…

Play Game(Initialized)

Player is computer/hum

an?Who goes

first?Player NamesAnd of course

actually playing the

game

Start Specific Game

End Specific Game

Top Level GUI States

Initialization/De-initialization

Start Specific Game

Initialize core GUI

Buttons for changing player

names, whether a player is computer

or human, etc…

Initialize Game Specific Game

BoardCreate board

pieces, set board size, add bindings,

etc… ANIMATION!!!

End Specific Game

De-Initialize core GUI

Disables buttons, possibly shrinks or destroys windows

De-Initialize Game Specific Game Board

Return board to empty state prior to

initialization

Play Game State

Game Specific Options

(Pre-Initialized)

Board Size?Starting Position?

Allow Diagonal moves or

wins?Etc…

Play Game(Initialized)

Player is computer/hum

an?Who goes

first?Player NamesAnd of course

actually playing the

game

Start Specific Game

End Specific Game

Play Game State (cont)

1: No Game Initialized YetGame board exists, but no game has been run

Board appears as is after Game Specific Initialize

Three Substates

2: Mid GameGame has been started but is not over

Pieces and board exist, and moves are shown

3: End GameGame has ended. Pieces and board exist, but moves are not shown.

Game Specific end game animation may have occurred

From State to State

1: No Game Started 2: Mid Game

2: Mid Game 2: Mid Game

2: Mid Game 3: End Game

3: End Game 2: Mid Game

1: No Game Started 3: End Game

State 1

1: No Game Started2: Mid Game or

3: End Game

New Game(button)

SetupSet Up Global

Variables and

Prepare for New Game

Clear board

Return the board to a predetermined state

Game Specific!

Draw board

Draws the new Game

board given the initial position

Driver Loop

This loop drives the game until a human player’s turn is at

hand

Driver Loop

Driver

Loop

Game OverGame Specific Game Over

Sequence

Primitive position?

3: End

Game

Player is human?

Show MovesGiven the move type,

current position, and move list with values and

remotenessShows the moves

appropriately based on move-type

2: Mid

Game

Player is computer?Get move

from databaseUpdate Globals

Handle MoveGame animates move

Board is visually set up to match the new-position

State 2

2: Mid Game2: Mid Game or

3: End Game

New Game(button)

SetupSet Up Global

Variables and

Prepare for New Game

Clear board

Return the board to a predetermined state

Game Specific!

Draw board

Draws the new Game

board given the initial position

Driver Loop

This loop drives the game until a human player’s turn is at

hand

Hide Visible Moves

Handle MoveGame animates move

Board is visually set up to match the new-position

Get Human MoveObtain the user move by

interaction with the game board

State 2 (cont) and State 3

2: Mid Game

Undo move

Graphically undoes the

move

Determine which type of undo is necessary

Show Moves

Driver Loop

This loop drives the game until a human player’s turn is at

hand

Hide Moves

Game Over Sequence Cleanup

Allows the “reversal” of a

Game Over Sequence so

the last position is re-displayed

3: End Game

Undo(button)

Showing Moves

All Moves(button)

Value Moves(button)

Best Moves(button)

Switch the currently shown moves to

selected

Overview

2: Mid Game

New Game(button)

SetupClear board

Draw board

Driver Loop

Hide Visible Moves

Handle Move

Get Human Move

1: No Game Started

3: End Game

Undo move

Which Undo?

Undo(button)

Game Over

Sequence Cleanup

Show Moves

Show Move

s