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Implement base SYS4 asset store

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gamer147
2026-07-11 09:14:14 -04:00
parent 99ce351041
commit b6c3b1660d
19 changed files with 614 additions and 114 deletions
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docs/himegari-port-reference.md
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@@ -93,10 +93,10 @@ save-format work remain deferred.
### Immediate (no tools needed beyond what's on disk)
1. ~~**Relocate the `Output\` tree**~~ **DONE** — workspace now at `S:\Game Hacking\Eushully\Himegari\姫狩りダンジョンマイスター\`.
2. **Convert remaining AGFs** in DATA2 (985 files) and DATA5 (210 files) with `AGF2BMP2AGF.exe`. *(Deferred — graphics not needed yet.)* The 3-file DATA1 gap is `CHAPTER.AGF`, `LOGO.AGF`, `TEST.AGF`.
3. ~~**Inventory the script files**~~ **DONE** — see [script-inventory.md](script-inventory.md). Key findings: all 481 scripts share magic `SYS4422 `; 52 loose root-dir `.BIN` files are patch overrides that shadow DATA1 copies (use those as authoritative); heavy game logic (damage calc, dungeon loop, battle flow) lives in bytecode, favoring a VM re-implementation in Godot.
3. ~~**Inventory the script files**~~ **DONE** — see [script-inventory.md](script-inventory.md). Key findings: all 481 scripts share magic `SYS4422 `; 49 loose root-dir script `.BIN` files shadow DATA1 copies (plus two root-only engine BINs; use overrides as authoritative); heavy game logic (damage calc, dungeon loop, battle flow) lives in bytecode, favoring a VM re-implementation in Godot.
1. ~~**Relocate the `Output\` tree**~~ **DONE** — workspace now at `S:\Game Hacking\Eushully\Himegari\姫狩りダンジョンマイスター\`.
2. **Convert remaining AGFs** in DATA2 (985 files) and DATA5 (210 files) with `AGF2BMP2AGF.exe`. *(Deferred — graphics not needed yet.)* The 3-file DATA1 gap is `CHAPTER.AGF`, `LOGO.AGF`, `TEST.AGF`.
3. ~~**Inventory the script files**~~ **DONE** — see [script-inventory.md](script-inventory.md). Key findings: all 481 scripts share magic `SYS4422 `; 52 loose root-dir `.BIN` files are patch overrides that shadow DATA1 copies (use those as authoritative); heavy game logic (damage calc, dungeon loop, battle flow) lives in bytecode, favoring a VM re-implementation in Godot.
3. ~~**Inventory the script files**~~ **DONE** — see [script-inventory.md](script-inventory.md). Key findings: all 481 scripts share magic `SYS4422 `; 49 loose root-dir script `.BIN` files shadow DATA1 copies (plus two root-only engine BINs; use overrides as authoritative); heavy game logic (damage calc, dungeon loop, battle flow) lives in bytecode, favoring a VM re-implementation in Godot.
### Header structure — DONE (hex-first, pre-Ghidra)
See [sys4-format-notes.md](sys4-format-notes.md). Confirmed across all 481 files: 60-byte header (magic `SYS4422 ` + 13 u32 fields, all offsets in dwords), body split into CODE + 3 typed pointer tables (tags 0x71/0x03/0x8F, 1 dword each, 100% pure) + inline strings. Strings are XOR-0xFF cp932, referenced by a `0x02 <dword-offset>` tagged operand — verified by decoding real dialogue out of `SC0030.BIN`. Remaining unknowns (opcode dispatch, flag fields F0/F2/F3/F5) need the VM.