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addingGfys.md

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Adding gfys

Some of this is a tutorial, some of it is guidelines to end up with a consistent look for the gfys for each character. If you have suggestions for improvement, please tell me.

Preparing an .iso

To color the hitboxes, I use a custom Gecko code that colors hitboxes based on the damage value. Also I patch the .iso file so that all hitbox damage values are replaced with their group id.

Therefore you need to add the Gecko code, which can be found here: hitboxDamageAsColorId.txt. And you also need to patch a 20XX Melee .iso (or some other .iso that enables you to render hitboxes, but I only tested it with 20XX Hack Pack 4.07++).

You probably want to create a copy of your 20XX .iso because this process is very hard to reverse and setting most damage values to 0 will obviously make the game unplayable.

To patch the .iso you need Python 3 and you need to install the gciso library. Then navigate to <melee-framedata>/hitboxColors and call:

python applyPatch.py patchData.json "<path to your .iso>"

or if you want to set gravity to zero (to avoid hitbox interpolation distorting the hitboxes from falling/rising) and disable grabs (so the grab hitboxes are not all rendered purple, but with the colors we assigned):

python applyPatch.py patchData-zerogravity-disablegrabs.json "<path to possibly another .iso>"

Alternative way

If you don't want to install Python or this seems to complicated for you, you can also use a tool like GC Rebuilder (or similar) or even the gciso command line interface (Python 3 still required though) and replace a single character .dat file with a patched version. I uploaded the patched character dat files here: hitbox-damage-colors.

Recording

First turn on debug mode by pressing Pause and then D-Pad Right twice, then unpause with X + D-Pad Up.

If you are using the --zerogravity version:

  • To Toggle frame advance on to not accidentally jump or something press the Pause button
  • Open the player menu (D-Pad Down)
  • Left Stick Right to switch to P2
  • Set CONTROLLED BY to P1 and TYPE to HUMAN
  • Toggle frame advance off with Pause
  • Airdodge down with both to get to the ground
  • Then toggle frame advance on for safety again

Shared setup:

  • Turn on hitbubbles rendered on top: R + D-Pad Up twice
  • Turn off background: X + Down three times
  • Infinite Shields: A + Down
  • Toggle player menu on: D-Pad Down
  • Set P2 to P2/CPU/20XX/SHIELD-HOLD
  • Toggle player menu off again: D-Pad Down
  • Turn on action state display: Y + D-Pad Down

Then set up the camera, start from a neutral state (e.g. FALL or WAIT), toggle frame advance on (by pressing start) and make a screenshot for every frame of the move (make sure to include a frame of the neutral state at the start and the end of the move.

Other notes

  • The map I used, because it doesn't have an annoying background, enough space and a platform is Hacked Stages -> Green Greens
  • For many moves using camera mode Free in Training Mode is sufficient, but sometimes you need to use the 20XX camera toggles (pan/zoom/rotate). These only work in VS. Mode/Melee though!
  • With --zerogravity you should probably airdodge onto a platform at the start and then just walk off to record aerial moves.
  • Record facing right, so the angle indicators are correct
  • Record throws without --zerogravity and without --disablegrabs (only patched hitbox colors) (so you can actually grab another character and to make them fly representatively)
  • Record aerials with the --zerogravity version (also aerial specials)
  • Record grabs with the --disablegrabs version (so the hitboxes are not just always purple)
  • 20XX Toggles

Turning the screenshots into videos

I highly recommend placing the screenshots for each move in a separate folder. Then you need to rename them 1.png, 2.png, ... I used some Python helper scripts for this, which you can find here:

https://gist.github.com/pfirsich/5e8e5fff777f7f426d88591ade7db44b

Then you need to turn these images into videos for which I used ffmpeg, which I consider to be another wonder of the world, like so:

ffmpeg -r 60 -i "<source directory>/%d.png" -y -c:v libx264 -vf "format=yuv420p" -r 60 "<outfile>.mp4"
  • -r 60 sets the rate of input screenshots to 60 fps.
  • -i "<source directory>/%d.png" insert the path to the directory containing the screenshots here.
  • -y tells ffmpeg to overwrite the output file without asking.
  • -c:v libx264 sets the output encoding to x264.
  • -vf "format=yuv420p" sets the pixel format.
  • -r 60 sets the output rate of the video to 60 fps.
  • "<outfile>.mp4" replace this with the name of the output file.

Getting it on the website

When you have a folder full of videos, you can make an account on gfycat.com and upload them there.

To add them to the move pages you can either open an issue on the GitHub issue tracker (or send me an E-Mail) with a link to the gfycat album, or you can add it yourself by forking this repository, modifying the config file for the character you want to add gfys for (Example: Samus' config) and sending a pull request (obviously this is less work for me and therefore preferred)!

Including specials

For specials most of this is the same, but as you might have noticed the special move pages for most characters lead to a 404 - Not Found. This is because for most characters it is not configured which subactions belong to which special. You may add that information to the character configs (see Samus' config on how that would look). Also you may extend meleeFrameDataExtractor (see ToDo) with proper subaction names, instead of just the hex ids.