osu!fpga

An osu! like rhythm game on DE2-115 FPGA.

Fang Lu, Xutao Jumbo Jiang

Overview

This project reproduces the major gameplay experience of the desktop rhythm game osu! on the DE2-115 FPGA development board. The user plays the game using a pointing device such as a USB mouse and a keyboard device such as a PS/2 keyboard. The graphics will be displayed using a VGA-capable monitor. It supports all the fundamental gameplay elements, including hit-circles, sliders, spinners and judgement system.

Features

Game Functionalities

• Song selection view
• Gameplay view
• Score report view
• Beatmap parsing
• Animated hit objects
• Song preview
• Scoreboard
• Pause
• Mods
• Settings

Input devices

• USB Mouse driver
• PS/2 Keyboard driver
• Wacom tablet driver
• USB hub support

Graphics

• VGA output driver
• Graphics service & task distributor
• Bitmap renderer
  • Bitmap resizable copy
  • Layer blending
• Vector renderer
  • Line
  • Elliptic Curve
  • Bezier Curve
  • SVG paths
• Font renderer
  • Fixed-width bitmap font
  • Variable-width bitmap font
  • Variable-width vector font
• Effects renderer
  • Particles
  • Pointer trails

Audio

• Audio driver
• Multitrack mixdown

Miscellaneous/Utilities

• Timing
• PNG Parsing
• MP3 Parsing
• Zip parsing

TODO

• 11/8 - 11/14
  • PS/2 driver setup
  • Audio driver setup
• 11/15 - 11/28 (Thanksgiving)
  • Graphics modules and submodules
  • Bootstrapper and main game program
  • Modules timing synchronization
  • File IO support
• 11/29 - 12/5
  • Baseline testing & debugging
  • Extra graphics
• 12/6-12/13
  • Extra game features
  • Extra drivers
  • Product testing & debugging