Use 3.4 Json file in Spine Unity 4.1?

katori

Hi! I only have skeleton.json, skleton.atlas, skeleton_Meterial from very old game that using spine 3.4
now i want to use it in 4.1 spine unity. Is there any way?

Misaki

katori As Spinebot mentioned, you cannot directly use a Spine project created in Spine 3.4 with spine-unity 4.1. You must first import it into Spine 3.4, save it as a Spine project, and then open it in Spine 4.1 to upgrade it.
Since numerous changes were made between versions 3.4 and 4.1, some animations may change. Please fix these before exporting.

Spinebot

Based on my knowledge, there are a few approaches you can try to use your Spine 3.4 files with Spine Unity 4.1:

Best Approach - Import into Spine Editor:

Download and install Spine Editor version 3.4 (you can set which version to run in Spine's settings by choosing the version from the changelog)
Import your skeleton.json file into Spine 3.4 using Import Data...
Save the project as a .spine file
Switch your Spine Editor version to 4.1
Open the saved .spine project in 4.1
Export the skeleton data from 4.1 for use with the spine-unity 4.1 runtime

Important Note about Atlas Files:

If your atlas file also needs updating, you can:

Use the Texture Unpacker (https://esotericsoftware.com/spine-texture-packer#Texture-Unpacker) to unpack your old atlas
Then pack it again with the current version

Direct Import Limitations:

While you could try importing the 3.4 JSON directly into Unity with the 4.1 runtime, this is not recommended because:

There may be compatibility issues and errors
The format differences between versions could cause problems
You might lose features or experience incorrect behavior

Critical Reminder:

Always keep your .spine project files! They make version upgrades and conversions much easier in the future.

If you don't have access to the Spine Editor, the spine-unity 4.1 runtime may still attempt to load the 3.4 files, but you should expect potential compatibility warnings or errors.

katori

Misaki thank you, do you know where can i download the crack version?.
Im still a student and 69$ is still too much for me

Misaki

katori We cannot allow or endorse any form of cracking. Please do not consider such methods.

If purchasing the editor is difficult at the moment, one possible approach would be to ask someone who already owns Spine to perform the upgrade for you. The process itself is straightforward for experienced users, and you may be able to find someone willing to assist you at a reasonable cost.

Harald

katori Misaki thank you, do you know where can i download the crack version?.
Im still a student and 69$ is still too much for me

katori With Christmas approaching, maybe you can write a wish list to Santa Claus. You can add a note that 69$ is for the perpetual license, not a yearly subscription, so he only has to gift it to you once.