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The gene pool is now updated based on the best snakes of all generations. The GenePool class allows for snakes to be added and removed at any time during the simulation. This makes it possible for a local game to download and upload the best snakes from and to a server.

Background info on server

The server would need to be capable of receiving snakes to add to its gene pool. Like the local gene pool, the number of snakes stored at any time will be limited. When a new snake is sent to the server, it will evaluate it in a single game to measure or verify its score, and then add it to the pool.

Synchronization interface

• Design and implement a socket-based interface for communicating with a gene pool server with the following capabilities:

  • Ability to connect to a server
  • Ability to request the complete gene pool
  • Ability to receive individual or multiple snakes
  • Ability to send individual or multiple snakes

Complete documentation for:

• Game

Controller

• GameController
• SingleSimController
• SnakeListController

Domain

• Board
• Position
• Direction
• Evaluation
• Game
• Food
• GameSnake
• BodyPart
• GenePool
• Generation
• SnakeNeuralNet
• Synapse
• Neuron
• PieceXPositionNeuron
• PieceYPositionNeuron
• PieceXDirectionNeuron
• PieceYDirectionNeuron
• GameBoardRelativePositionStateNeuron
• SigmoidNeuron
• Snake

Service

• SimulationService

Util

• Encoder
• XorShift

View

• DashboardWindow
• SimulationWindow
• SingleSimView
• SnakeListView

Currently, snakes are added and removed from the gene pool only when a generation's evaluations are complete. When the program is closed, all snakes are lost.

• Add util class for saving and loading snake encodings

• Modify SnakeListView and SnakeListController so that individual or multiple snakes can be saved from the the gene pool or generation view.

• Modify SnakeListView and SnakeListController so that individual or multiple snakes can be loaded into the gene pool view or generation view. For concurrency reasons, it may be necessary to prevent the user from loading a new snake while the game is running (without more complicated changes, like a backlog for the next generation).

• If snakes are to be added to a generation, modify any Generation-class dependent code to allow for variable sized generations.

When the step button is pressed in SimulationWindow, the GameController executes a simulation step in the main thread of the program. This makes the UI unresponsive until it completes.

When the start button is pressed in SimulationWindow, the GameController performs a loop using the Tkinter 'after' function. This functionality should not be used as it creates a dependency to the Tkinter UI. This should be replaced with a pause or sleep loop inside a different thread.

The SingleSimController class contains the code to control the SingleSimView. Complete this class so that the user can watch a single game to completion.