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)

tools/png2cor.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+"""Packt ein Bild als Argonaut-.cor (Gegenstück zu cor2png.py).
+
+Das Bild wird auf 640x480 RGB gebracht und mit dem LZ-Schema des Spiels
+komprimiert:
+  n < 0x80           -> n Bytes Rohdaten folgen (n = 1..127)
+  1LLL oooo oooooooo -> kopiere L+3 Bytes (3..10) ab o Bytes (1..4095) zurück
+Aufruf: png2cor.py eingabe.png ausgabe.cor   (benötigt Pillow)
+"""
+import struct
+import sys
+
+MAGIC = bytes.fromhex('1798af89fe42d112')
+MAXOFF, MINLEN, MAXLEN = 0x0FFF, 3, 10
+
+
+def pack(raw):
+    out = bytearray()
+    lit = bytearray()
+    last = {}  # 3-Byte-Präfix -> Liste letzter Positionen
+
+    def flush():
+        for k in range(0, len(lit), 127):
+            part = lit[k:k + 127]
+            out.append(len(part))
+            out.extend(part)
+        lit.clear()
+
+    i, n = 0, len(raw)
+    while i < n:
+        best_len, best_off = 0, 0
+        if i + MINLEN <= n:
+            key = raw[i:i + 3]
+            for p in reversed(last.get(key, ())):
+                off = i - p
+                if off > MAXOFF:
+                    break
+                ln = 3
+                while ln < MAXLEN and i + ln < n and raw[p + ln] == raw[i + ln]:
+                    ln += 1
+                if ln > best_len:
+                    best_len, best_off = ln, off
+                    if ln == MAXLEN:
+                        break
+        step = best_len if best_len >= MINLEN else 1
+        for j in range(i, min(i + step, n - 2)):
+            lst = last.setdefault(raw[j:j + 3], [])
+            lst.append(j)
+            if len(lst) > 16:
+                del lst[0]
+        if best_len >= MINLEN:
+            flush()
+            out.append(0x80 | ((best_len - 3) << 4) | (best_off >> 8))
+            out.append(best_off & 0xFF)
+            i += best_len
+        else:
+            lit.append(raw[i])
+            i += 1
+    flush()
+    return MAGIC + struct.pack('<III', 1, len(raw), len(out)) + bytes(out)
+
+
+if __name__ == '__main__':
+    from PIL import Image
+    img = Image.open(sys.argv[1]).convert('RGB').resize((640, 480), Image.LANCZOS)
+    data = pack(img.tobytes())
+    open(sys.argv[2], 'wb').write(data)
+    print(f'{sys.argv[2]}: {len(data)} Bytes')