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Cross-platform persistent save directory (IDBFS on WASM, filesystem on desktop)

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Game code uses standard Python file I/O to mcrfpy.save_dir with no platform
branching. On WASM, builtins.open() is monkeypatched so writes to /save/
auto-sync IDBFS on close, making persistence transparent.

API: mcrfpy.save_dir (str), mcrfpy._sync_storage() (auto-called on WASM)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
John McCardle 2026-02-25 20:42:44 -05:00
commit e2d3e56968
7 changed files with 212 additions and 1 deletions
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3
CMakeLists.txt
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@ -281,7 +281,8 @@ if(EMSCRIPTEN)
-sALLOW_MEMORY_GROWTH=1
-sSTACK_SIZE=2097152
-sEXPORTED_RUNTIME_METHODS=ccall,cwrap,FS
-sEXPORTED_FUNCTIONS=_main,_run_python_string,_run_python_string_with_output,_reset_python_environment,_notify_canvas_resize
-sEXPORTED_FUNCTIONS=_main,_run_python_string,_run_python_string_with_output,_reset_python_environment,_notify_canvas_resize,_sync_storage
-lidbfs.js
-sASSERTIONS=2
-sSTACK_OVERFLOW_CHECK=2
-fexceptions