extra localized images

local.py

@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+
+import struct
+import time
+import zlib
+
+from dat import DatFile
+import png
+from utils import dump
+
+
+filename = "LOTRO/client_local_English.dat"
+
+f = DatFile(filename)
+
+
+def image_0x15(header_id, width, height, data):
+    pixels = {}
+    apixels = {}
+    for y in range(height):
+        for x in range(width):
+            o = (y * width + x) * 4
+            c1, c2, c3, c4 = map(ord, data[o:o + 4])
+            pixels[(x, y)] = (c3, c2, c1)
+            apixels[(x, y)] = (c4, c4, c4)
+    png.output_png("local/%08X_015.png" % header_id, width, height, pixels)
+    png.output_png("local/%08X_015_a.png" % header_id, width, height, apixels)
+
+
+def image_0x1F4(header_id, data):
+    with open("local/%08X.jpg" % header_id, "w") as nf:
+        nf.write(data)
+
+
+def dump_local_file(entry):
+    j, unk1, file_id, offset, size1, timestamp, version, size2, unk2 = entry
+
+    # print "%08X %08X %08X %s %08X | %08X %08X %08X | %08X" % (file_id, offset, size1, time.ctime(timestamp), version, size2, unk1, unk2, size2 - size1)
+
+    f.stream.seek(offset)
+
+    j, k, l, m, n = struct.unpack("<LLLHH", f.stream.read(0x10))
+    # print "%08X %08X %08X %04X %04X" % (j, k, l, m, n)
+
+    assert k == 0
+
+    if j == 0:
+        if m == 0xDA78:
+            # print "compressed"
+            assert unk1 % 0x100 == 0x03
+            f.stream.seek(offset)
+            data = f.stream.read(size1 + 0x08)[12:]
+            content = zlib.decompress(data)
+            assert l == len(content)
+        else:
+            # print "uncompressed"
+            assert unk1 % 0x100 == 0x02
+            f.stream.seek(offset)
+            data = f.stream.read(size1 + 0x08)[8:]
+            content = data
+
+        # print "%08X %08X" % struct.unpack("<LL", content[:8]),
+        magic = content[8:12]
+        if magic == "OggS":
+            pass  # print "OGG"
+        else:
+            # print "%08X %08X %08X %08X %08X" % struct.unpack("<LLLLL", content[:20])
+            if len(content) > 24:
+                header_id, unk1, width, height, unk2, lngth = struct.unpack("<LLLLLL", data[:24])
+                if unk2 == 0x1F4:
+                    print "%08X" % file_id
+                    # image_0x1F4(file_id, content[24:])
+                elif unk2 == 0x15:
+                    print "%08X %08X %08X %08X %08X %08X" % struct.unpack("<LLLLLL", content[:24])
+                    assert width * height * 4 == lngth
+                    image_0x15(header_id, width, height, content[24:])
+
+    else:
+        pass
+
+f.visit_file_entries(dump_local_file)