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NOTE: This engine is abandoned! If there are any bugs or glitches, they'll be left unfixed. I'm keeping it up for archival purposes and because some mods have used it.

Psych Engine Extra

Friday Night Funkin' - Psych Engine Extra

Modified version of Psych Engine adding more stuff, most notably higher key amounts, time signatures, and Hscript support.

Credits:

  • Starmapo - Programmer and Artist

Special Thanks:

  • KadeDev & GitHub Contributors - Made Kade Engine (some code and ideas are from there)
  • Leather128 & GitHub Contributors - Made Leather Engine (some code and ideas are from there)
  • srPerez - Made VS Shaggy & the original 6K+ notes

Psych Engine Credits:

  • Shadow Mario - Programmer
  • RiverOaken - Artist
  • Yoshubs - Assistant Programmer

Psych Engine Special Thanks:

  • bbpanzu - Ex-Programmer
  • SqirraRNG - Crash Handler and Base code for Chart Editor's Waveform
  • KadeDev - Fixed some cool stuff on Chart Editor and other PRs
  • iFlicky - Composer of Psync and Tea Time, also made the Dialogue Sounds
  • PolybiusProxy - Video Loader Library (hxCodec)
  • Keoiki - Note Splash Animations
  • Smokey - Sprite Atlas Support
  • Nebula the Zorua - LUA JIT Fork and some Lua reworks

New Features

  • Custom key amounts (currently 1K to 13K)
  • Custom time signatures (1-100/1-64)
  • Hscript compatibility
  • Custom UI skins (custom rating sprites, countdown sprites, etc.)
  • Character groups (more than one Boyfriend, opponent, or Girlfriend)
  • Separate voices for the player and the opponent (by adding a 'VoicesOpponent' or 'VoicesDad' file)
  • Gameplay Changers: Play as the opponent, change song (not chart, SONG) speed, demo mode (showcase gameplay)
  • Go to options menu from the pause menu (and go right back to game after you're done!)

New Options

  • Note underlays
  • Instant restart after dying
  • Show number of ratings (sicks, goods, etc.)
  • "Crappy" quality option (no stage)
  • Toggle autopause when not focused on the game
  • "Shit" counting as a miss
  • Smooth health bar
  • Save Data menu where you can clear your save data

Minor Touches

  • Camera bump in Freeplay (from @Stilic)
  • Difficulty dropdown in charting menu (from @CerBor)

Build Instructions:

Installing the Required Programs

First, you need to install the latest Haxe and HaxeFlixel. I'm too lazy to write and keep updated with that setup (which is pretty simple).

  1. Install Haxe
  2. Install HaxeFlixel after downloading Haxe (make sure to do haxelib run lime setup flixel to install the necessary libraries, basically just follow the whole guide)

You should make sure to keep Haxe & Flixel updated. If there is a compilation error, it might be due to having an outdated version.

You'll also need to install a couple things that involve Gits. To do this, you need to do a few things first.

  1. Download git-scm. Works for Windows, Mac, and Linux, just select your build.
  2. Follow instructions to install the application properly.
  3. Run haxelib git discord_rpc https://github.com/Aidan63/linc_discord-rpc to install Discord RPC.
  4. Run haxelib git linc_luajit https://github.com/nebulazorua/linc_luajit to install LuaJIT. If you get an error about StatePointer when using Lua, run haxelib remove linc_luajit into Command Prompt/PowerShell, then re-install linc_luajit. (If you don't want your mod to be able to run .lua scripts, delete the "LUA_ALLOWED" line on Project.xml)
  5. Run haxelib git hscript https://github.com/HaxeFoundation/hscript to install hscript. After that, run haxelib git hscript-ex https://github.com/ianharrigan/hscript-ex to install hscript-ex. (If you don't want your mod to be able to run .hscript scripts, delete the "HSCRIPT_ALLOWED" line on Project.xml)
  6. Run haxelib install hxCodec to install hxCodec for video support. (If you don't want your mod to have video support, delete the "VIDEOS_ALLOWED" line on Project.xml)

You should have everything ready for compiling the game! Follow the guide below to continue!

Compiling game

NOTE: If you see any messages relating to deprecated packages, ignore them. They're just warnings that don't affect compiling

HTML5

Compiling to browser is very simple. You just need to run lime test html5 -debug (remove "-debug" for official releases) in the root of the project to build and run the HTML5 version. (command prompt navigation guide can be found here)

Do note that modpacks and Lua scripts are unavailable in HTML5.

Desktop

To run it from your desktop (Windows, Mac, Linux) it can be a bit more involved.

(NOTE: Mac and Linux have not been tested yet and they are not guaranteed to function)

For Windows, you need to install Visual Studio Community. While installing VSC, don't click on any of the options to install workloads. Instead, go to the individual components tab and choose the following:

  • MSVC v142 - VS 2019 C++ x64/x86 build tools (Latest)
  • Windows 10 SDK (10.0.17763.0)

This will take a while and requires about 4GB of space. Once that is done you can open up a command line in the project's directory and run lime test windows -debug (remove "-debug" for official releases). Once that command finishes (it takes forever even on a higher end PC), it will automatically run the game. The .exe file will be under export\release\windows\bin.

For Mac, you need to install Xcode. After that, run lime test mac -debug (remove "-debug" for official releases) in the project's directory. The .exe file will be in export/release/mac/bin.

For Linux, you only need to open a terminal in the project directory and run lime test linux -debug (remove "-debug" for official releases). The executable file will be in export/release/linux/bin.

To build for 32-bit, add -32 -D 32bits to the lime test command:

lime test windows -32 -D 32bits