01mz/371project

371project's Issues

Fix crashing issue

The game crashes sometimes when users click the boxes.

This is because of the UI updates from outside the main thread, which is a bad practice.

Create a server

basic stuff for sending

Game boxes

A box should contain

• who holds the box
• who claims the box
• lock (for synchronization?)

Logic on server

• If someone holds the box, others cannot hold or claim it
• If a box is not on hold, anyone can steal it (no matters the box is claimed or not)

UI logic on the client side

• User can hold the box by pressing the mouse down
• Box must be in held at least 3s by someone to before being claimed
• The box is outlined with the colour of the player who holds the box
• The box is filled with the colour of the player who claims the box
• #19

Implement game logic

• Calculate the total number of claimed boxes per player
• The winner is:
  • The player that has the most claimed boxes, or
  • The first player to claim half of the board is the winner (for example, if there are 4 players, the first one to claim 1/4 of the boxes is the winner)
• A game ends when:
  • The winner is found, or
  • All boxes are claimed

Client client

Find a GUI library

Restrict player connection

• The game cannot start unless there are more than 2 players
• Reject the player connection when there are enough players (2 to 4 players)
• Reject the player connection when the game is ongoing

Functionality for server to send message to all connected clients

Figure out how to send a message from the server to all the connected clients

some ideas:

• When a player joins the game, a tcp connections is made
• The tcp connection is used to send and receive throughout the game
• It is not closed until the client quits the game
• The server needs to keep track of the open tcp connections (one for each player) somehow (an array?).

Example:
Suppose three players join a game, when one player clicks a square it shows up as clicked on the other players' screen.
or a more simple example to test:
Suppose three players join a game, when one player clicks on square, a message is sent to the server, the server sends a message to all the clients, the client prints out the message in console.

Concurrency on the server

TCP messages

Messages are sent by clients

• HOLD row col: player starts pressing on a box
• CLAIM row col: player claims a box
• RELEASE row col: player releases the mouse

Messages are only broadcasted by the server when the game is ongoing

• HOLD row col player: player holds a box
• CLAIM row col player: player claims a box
• RELEASE row col: remove the holder of the box
• WIN player: announce the winner and end the game

Notify players after establishing connection

The server sends TCP messages after the establishing connection and before making the game

• ACCEPT playerId: accept the connection from the player and assign them with a playerId (to know what color they are playing)
• REJECT: reject the connection from the player

This should be done before starting before the game started

This is related to #22

Investigate how to do concurrency on the client

Create a game session

• A player starts the server. A session ID (sid) is then generated. Others can join the session by entering this sid
• If sid is correct, let player join the game. Otherwise, inform player sid is incorrect
• Max 4 players per session
• (Optional) Time limit: Display a countdown timer for each session

Fix layout for GUI