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Tetris Coding Challenge

This Python project provides a simple implementation logic of a Tetris game engine. The code allows you to simulate the decent of Tetris blocks in a grid and calculate the occupied height of the blocks.

Features

  • Initialized an empty grid of size 10x10.
  • Supported Tetris block shapes -> "q," "z," "s," "t," "i," "l," and "j"
  • Calculates the max height of Tetris blocks in the grid after every row.
  • Completed rows vanishes from the grid.
  • Processes multiple lines of input, each representing a sequence of pieces entering the grid.
  • Outputs the resulting height of the remaining blocks within the grid for each line of input.

Usage

  1. Clone the https://github.com/kaustubh285/tetris_python repository.
  2. Navigate to the project directory: cd tetris_python
  3. Run the script with the following command python tetris.py < input.txt > output.txt .

The script gets the input data from the input.txt and prints out the occupied height which is written to the output.txt.

Implementation Details

  • The code defines a dictionary self.values that maps shape letters to their corresponding block configurations represented as lists of lists.
  • The check_topmost_occupant function is responsible for placing a new piece into the grid by iteratively moving it down until it reaches the bottom or collides with another resting block.
  • The update_grid function updates the grid by setting the cells corresponding to the final coordinates of the new piece to 1 (occupied).
  • The check_if_row_complete function checks if any rows in the grid are completely filled and removes those rows, inserting new empty rows at the top.
  • The check_and_update_height function calculates the height of the occupied blocks in the grid.

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