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nuTetris: Tetris clone


Why nuTetris?

nuTetris is a good sample of not trivial application which can be used as example in a programming course.
So, it has been designed mainly for educational purposes for developers that can deal with a non-trivial example of object-oriented design, which relies on effective modern techniques for producing modular and reusable and multi-platform code.


The game

The objective of the game is to manipulate pieces, composed of four square blocks each, by moving each one sideways and rotating it by 90 degree units, with the aim of creating a horizontal line of ten units without gaps.
A random sequence of pieces fall down the playing field. When such a line is created, it disappears, and any block above the deleted line will fall. 
When a certain number of lines are cleared, the game enters a new level.

    


The game components

  • Game manager (tetris::game_mgr_t) 
    • Builds other game components 
    • Gets any input event from Input Manager 
    • Executes the game state machine 
    • Calls the Renderer in order to draw the game scene 
  • Canvas and Game Board are instance of Grid class (tetris::grid_t), which manages the interactions among the pieces. 
    • It is also used to represent the piece canvas which shows a preview of next falling piece 
  • Game data (tetris::game_mgr_t::game_renderer_data_t) object holds information passed to the Renderer which use them to draw the scene

  • Renderer (tetris::renderer_t) 
    • Interface for the game scene renderer 
    • At compile time is selected one of the following renderer implementations: 
      • Text Renderer (is a Renderer) 
        • Renders the game scene using ASCII art graphics 
      • GDI Renderer (is a Renderer) relies on GUI (tetris::gui_t) which provides an Adapter for Linux (X11) and Windows implementations
      • nuTetris

  • Piece Factory (tetris::piece_factory_t) 
    • Creates each Tetris Piece instance needed by Game Manager 
  • Tetris Piece (implements the abstract class tetris::piece_t) 
    • Holds piece shape information
  • Input Manager (is an Input Event Dispatcher) 
    • Manages the input devices (Keyboard, Timers) and notifies the Game Manager of user and timer events 
  • Input Device
    • Interface which defines how input is managed 
  • Keyboard Input Device (is an Input Device) 
    • Gets keyboard events

C++11 implementation

  Class Diagram

nuTetris is a Tetris clone written in C++11.

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Java implementation

nuJetris is a Tetris clone written in Java.

Jetris


Get executables and source code at http://sourceforge.net/projects/nutetris/

nuTetris is a Tetris clone written in C++11.
nuJetris and nuTetris have been designed mainly for educational purposes.


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