initial commit: llamamod 0.2.0 – reverse-engineered level formats (wad, map, trak, text, stpc), python tools and notes, java mod manager (iso install, mod pipeline with exe patching, save editor, wine/windows launcher) with mods (test world, debug wireframe, mirror, randomizer, fog, cheats, intro skip, practice, free camera, boot to level, level projects) and the 3d level editor (geometry, objects, cross-world import, environment, textures, play-test, manual)

deb-build/wadtool.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+"""Liest und schreibt Level-WADs von "Ein Königreich für ein Lama" (Argonaut).
+
+Aufbau: u32 Gesamtlänge (ohne dieses Feld), dann Chunks:
+  4 Byte Kennung (rückwärts gespeichert, z. B. 'OFNI' = INFO), u32 Länge, Daten
+bis zum Chunk 'END '.
+
+  wadtool.py list  level.wad
+  wadtool.py name  level.wad neu.wad "Neuer Levelname"
+  wadtool.py extract level.wad CHUNK datei.bin
+  wadtool.py replace level.wad neu.wad CHUNK datei.bin
+"""
+import struct
+import sys
+
+
+def read(path):
+    d = open(path, 'rb').read()
+    total = struct.unpack_from('<I', d, 0)[0]
+    if total != len(d) - 4:
+        raise ValueError(f'{path}: Längenfeld {total} passt nicht zu {len(d) - 4}')
+    chunks, o = [], 4
+    while o + 8 <= len(d):
+        tag = d[o:o + 4][::-1].decode('latin1')
+        ln = struct.unpack_from('<I', d, o + 4)[0]
+        chunks.append([tag, d[o + 8:o + 8 + ln]])
+        o += 8 + ln
+        if tag == 'END ':
+            break
+    return chunks
+
+
+def write(path, chunks):
+    body = b''.join(t.encode('latin1')[::-1] + struct.pack('<I', len(c)) + c for t, c in chunks)
+    open(path, 'wb').write(struct.pack('<I', len(body)) + body)
+
+
+def get(chunks, tag):
+    for c in chunks:
+        if c[0] == tag:
+            return c
+    raise KeyError(tag)
+
+
+if __name__ == '__main__':
+    cmd, src = sys.argv[1], sys.argv[2]
+    ch = read(src)
+    if cmd == 'list':
+        for t, c in ch:
+            extra = ''
+            if t == 'NAME':
+                extra = repr(c[4:].split(b'\0')[0].decode('latin1'))
+            print(f'{t!r:8} {len(c):10d}  {extra}')
+    elif cmd == 'name':
+        c = get(ch, 'NAME')
+        c[1] = c[1][:4] + sys.argv[4].encode('latin1') + b'\0'
+        write(sys.argv[3], ch)
+    elif cmd == 'extract':
+        open(sys.argv[4], 'wb').write(get(ch, sys.argv[3].ljust(4))[1])
+    elif cmd == 'replace':
+        get(ch, sys.argv[4].ljust(4))[1] = open(sys.argv[5], 'rb').read()
+        write(sys.argv[3], ch)
+    else:
+        sys.exit(__doc__)