tools/capture drives a store page's skin viewer in headless Firefox, stepping its clock one tick at a time and taking every tick from ten fixed cameras. It then fits our own rig to the frames by rendering the model (a Python port of LimbBend and PoseApplier) and matching outlines and colours, and writes the result as Emotecraft JSON. It measures pixels only and never reads the page's animation data. The README covers the steps, the checks and the limits. Co-Authored-By: Claude Opus 5.5 <[email protected]>
30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
"""Fetches a player's skin texture from Mojang, the same one the store viewer shows for that username.
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.venv/bin/python skin.py <username> [out.png]
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"""
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import base64
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import json
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import subprocess
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import sys
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def get(url):
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# curl uses the system's certificate store, which python.org's Python doesn't.
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return subprocess.run(["curl", "-sSf", url], capture_output=True, check=True).stdout
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def fetch(username):
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"""Returns (png bytes, slim arms)."""
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uuid = json.loads(get(f"https://api.mojang.com/users/profiles/minecraft/{username}"))["id"]
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profile = json.loads(get(f"https://sessionserver.mojang.com/session/minecraft/profile/{uuid}"))
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prop = next(p for p in profile["properties"] if p["name"] == "textures")
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skin = json.loads(base64.b64decode(prop["value"]))["textures"]["SKIN"]
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return get(skin["url"]), skin.get("metadata", {}).get("model") == "slim"
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if __name__ == "__main__":
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png, slim = fetch(sys.argv[1])
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out = sys.argv[2] if len(sys.argv) > 2 else f"skins/{sys.argv[1]}.png"
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open(out, "wb").write(png)
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print(out, "slim" if slim else "wide")
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