mirror of
https://github.com/jkdansereau/goldeneye-pc-port.git
synced 2026-10-23 15:52:42 +02:00
James Dansereau
97c7e38845
Also commits the prior session's carried-uncommitted set: D294 room-pool fix (sqrt + 2x cap, user-verified state), D324 stdlib-shim prototypes, D323 explicit-LOD census + tools_pc tooling, GRAPHICS-BACKLOG row. texdump*/ probe artifacts gitignored.
58 lines
2.3 KiB
Python
58 lines
2.3 KiB
Python
#!/usr/bin/env python3
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"""D236 pass 17c (TEMP): dump every op-13 (ShadowRecord) record's raw bytes
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from the ROM model files, to settle the field-layout question (does the ROM
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put HeaderNode at +0x14 as the C struct says, or +0x18 as d43_emit.py's emit
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assumes?). Prints per file: node offset, record offset, and the 16 bytes at
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d+0x10..d+0x20 with both interpretations annotated. Remove once D236 concludes."""
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import struct, sys, os
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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sys.argv = [sys.argv[0], "ntsc-final"] if len(sys.argv) < 2 else sys.argv
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import d43_emit as m
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def plaus_vma(v):
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# file-relative seg-5 vma: 0x05xxxxxx, or null
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return v == 0 or (v >> 24) == 5
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def plaus_f32(b):
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f = struct.unpack_from(">f", b)[0]
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return abs(f) < 1e6 and f == f # finite, sane magnitude
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n_found = 0
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for name in m.model_names:
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key, row = m.find_row(name)
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if not key:
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continue
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addr, size = row
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src = __import__("zlib").decompress(m.rom[addr:addr + size][2:], -15)
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D = len(src)
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hkey = None
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for cand in (key, key[1:], key[:-1], key[1:-1]):
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if cand in m.nsnt:
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hkey = cand
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break
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if not hkey:
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continue
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NS, NT = m.nsnt[hkey]
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nodes, R0 = m.build_nodes(src, D, NS, NT)
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if not nodes:
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continue
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placed = m.placement_order(nodes, src, R0)
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for (no, op) in placed:
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if op != 13:
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continue
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n_found += 1
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d = m.be32o(src, no + 4)
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raw = src[d + 0x10:d + 0x20]
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v_10 = struct.unpack_from(">I", raw, 0)[0] & 0xFFFFFF
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v_14 = struct.unpack_from(">I", raw, 4)[0] & 0xFFFFFF
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v_18 = struct.unpack_from(">I", raw, 8)[0] & 0xFFFFFF
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v_1c = struct.unpack_from(">I", raw, 12)[0] & 0xFFFFFF
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f_18 = struct.unpack_from(">f", raw, 8)[0]
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f_1c = struct.unpack_from(">f", raw, 12)[0]
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print(f"{name}: node={no:#x} rec={d:#x}")
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print(f" +0x10 image = {v_10:#08x} vma?{plaus_vma(v_10)}")
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print(f" +0x14 (A:Header) = {v_14:#08x} vma?{plaus_vma(v_14)}")
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print(f" +0x18 (B:Header) = {v_18:#08x} vma?{plaus_vma(v_18)} as f32={f_18!r}")
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print(f" +0x1C (A:Scale) = as f32={f_1c!r} raw={v_1c:#08x} vma?{plaus_vma(v_1c)}")
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print(f"\ntotal op13 records: {n_found}")
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