Tetris

Classic Tetris (NES Tetris) written in BEVY/RUST.

Features

• Game Play

  • DAS
  • 1H2R RNG for Next Piece
  • Glitched Color Palettes
  • Level 39 Super Kill Screen
  • Piece Distribution
  • Statistics
  • Display Input
  • Sound Effect

• Platform

  • High FPS Support
  • Cross-platform (Web/Windows/Linux/MacOS)

Game Options

TRANSITION

The TRANSITION option determines how the level advances after lines clear.

Options
Classic	When the player line clear (startLevel × 10 + 10) or max(100, (startLevel × 10 - 50)) lines, whatever comes first, the level advances by 1. After this, the level advances by 1 for every 10 lines.
Fixed	When the player line clear (startLevel x 10 + 10) lines, the level advances by 1. After this, the level advances by 1 for every 10 lines.
Every 10 Lines	The level advacnes by 1 for every 10 lines.
Every 4 Lines	The level advacnes by 1 for every 4 lines.

LINECAP

The LINECAP option enables the Super Kill Screen as the end game mechanism for competitive games. Players can keep going under kill screen due to the inventation of the rolling technique. The gravity will double again after 10 levels clear in the kill screen in order to avoid endless game playing.

Options
Off	The gravity is the same as level 29 for level 39 and beyond.
Super Kill Screen	The gravity is 200% of level 29 starting from level 39.

For TV SYSTEM: PAL, the gravity is 200% of level 19 starting from level 29.

GRAVITY

The GRAVITY option determines how the gravity will increase when the level advances.

Options
Level	The gravity increases when the level advances.
Locked	The gravity is locked at the startLevel.

SEEDING

The SEEDING option determines how to generate NEXT pieces. 1H2R Randomizer is used to choose the pieces.

Options
System	System-provided seeds are used and result different sequences for each game.
Custom	User-provided seed is used, generates constant sequence. This mode is built for competitive match.

SEED

The SEED option determines the seed for the random number generator. It is only available when SEEDING is CUSTOM.

• Press Start to enter/leave seed configuration.
• Press Up and Down to adjust the hex value.
• Press Select to generate random seed.

SCORING

The SCORING option determines how the score is displayed.

Options		123	1,234,567	3,704,567	39,504,567
Decimal	Display the score in decimal up to 2^64.	000123	1234567	3704567	39504567
Classic	Display the score in decimal up to 999999.	000123	999999	999999	999999
Base36	Apply base36 encoding for the 6th digit and above of the score.	000123	C34567	1104567	AZ04567

TV SYSTEM

The TV SYSTEM option determines which version of NES Tetris releases is used. This affects DAS, gravity and the level of linecap.

Options
NTSC	The NTSC version of NES Tetris, which is specified to run at 60 frames per second.
PAL	The PAL version of NES Tetris, which is specified to run at 50 frames per second. The game is rebalanced for the slower frames per second in PAL release.

Reference: https://tetris.wiki/Tetris_(NES,_Nintendo)

NEXT PIECE HINT

The NEXT PIECE HINT option determines how many NEXT pieces are displayed.

Options
Off
Classic	Show next piece only.
Modern	Show next 5 pieces.

INVISIBLE

The INVISIBLE option determines the visibility of the locked squres.

Options
Off	All squares are visible.
On	Squares locked are invisible.

Keybindings

Menu	In Game	Keyboard	Controller: Mapping A	Controller: Mapping B
Move Up		↑	↑	↑
Move Down	Soft Drop	↓	↓	↓
Move Left	Move Left	←	←	←
Move Right	Move Right	→	→	→
	Rotate Clockwise	X	A (→)	B (↓)
Back	Rotate Counterclockwise	Z	B (↓)	Y (←)
Start	Pause/Resume	Enter	Start	Start
Soft Reset	Soft Reset	Esc	Select + Start + A + B	Select + Start + B + Y

A, B, X and Y button mapping is in NES/SNES/NSwitch Controller layout.

Build & Run

Web

cargo build --release --target wasm32-unknown-unknown
wasm-bindgen --no-typescript --target web --out-dir ./dist/tetris --out-name "tetris" ./target/wasm32-unknown-unknown/release/tetris.wasm
cp -r ./assets ./dist/assets

# Start a web server to serve the files under "./dist"

Linux

Ubuntu

apt-get install g++ pkg-config libx11-dev libasound2-dev libudev-dev libxkbcommon-x11-0
cargo run --release

Windows

cargo run --release

MacOS

cargo run --release

License

This project is free, open source and permissively licensed! Except where noted (below and/or in individual files), all code in this repository is dual-licensed under either:

• MIT License (LICENSE-MIT or https://opensource.org/license/MIT)
• Apache License, Version 2.0 (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)

at your option. This means you can select the license you prefer!