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Claude
8f6528482b
doomgeneric compiled to wasm32-wasi plus the Freedoom Phase 1 IWAD, packed into one self-contained index.html that publishes as a NIP-5D napplet and runs inside Amethyst's existing sandbox and CSP unchanged. - build.sh: pinned wasi-sdk, Freedoom and doomgeneric; reproducible artifact hash. IWAD=/TITLE= swap in another IWAD. - The page supplies a WASI in-memory file system, the frame buffer, keyboard, touch and gamepad input, Web Audio sound effects, a small MIDI synth for the music, and keeps saves in window.napplet.storage. - doomgeneric.patch makes the screen melt non-blocking and clears the frame buffer before the first melt. - doom.test.mjs plays it in headless Chromium inside the production shell.html, shim.js and CSP: boot, music, gameplay, save and reload through storage, denied and undeclared storage. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NQ76C3uhMzzWRfB6NNxYzf
56 lines
1.8 KiB
Python
Executable File
56 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Packs doom.wasm and an IWAD into the single self-contained index.html a NIP-5D napplet needs.
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A napplet is one HTML artifact with no network (CSP connect-src 'none'), so both binaries go in
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the page as gzip+base64. Output is byte-for-byte reproducible: gzip carries no timestamp or name.
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usage: assemble.py TEMPLATE WASM WAD OUT [TITLE]
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"""
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import base64
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import gzip
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import hashlib
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import os
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import sys
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from html import escape as html_escape
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# Amethyst downloads a napplet artifact only up to this size (NappletBlobHttp.MAX_BLOB_BYTES).
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HOST_ARTIFACT_LIMIT = 20 * 1024 * 1024
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RESX, RESY = 320, 200
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def packed(path):
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with open(path, "rb") as f:
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data = f.read()
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return base64.b64encode(gzip.compress(data, compresslevel=9, mtime=0)).decode("ascii")
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def main(template, wasm, wad, out, title="Freedoom"):
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with open(template, encoding="utf-8") as f:
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html = f.read()
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replacements = {
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"__WASM_GZ_BASE64__": packed(wasm),
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"__WAD_GZ_BASE64__": packed(wad),
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"__WAD_NAME__": os.path.basename(wad).lower(),
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"__TITLE__": html_escape(title),
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"__RESX__": str(RESX),
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"__RESY__": str(RESY),
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}
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for placeholder, value in replacements.items():
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if placeholder not in html:
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sys.exit(f"template is missing {placeholder}")
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html = html.replace(placeholder, value)
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data = html.encode("utf-8")
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with open(out, "wb") as f:
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f.write(data)
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print(f"{out}: {len(data):,} bytes, sha256 {hashlib.sha256(data).hexdigest()}")
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if len(data) > HOST_ARTIFACT_LIMIT:
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sys.exit(f"over Amethyst's {HOST_ARTIFACT_LIMIT:,}-byte napplet artifact limit")
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if __name__ == "__main__":
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if len(sys.argv) not in (5, 6):
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sys.exit(__doc__)
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main(*sys.argv[1:])
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