nasty hack

1 files changed, 47 insertions, 0 deletions

diff --git a/parse-brlan.py b/parse-brlan.py
new file mode 100644
index 0000000..72152bb
--- /dev/null
+++ b/parse-brlan.py
@@ -0,0 +1,47 @@
+import sys, struct, re
+from ethyl import *
+
+f = open(sys.argv[1], 'rb')
+rlan = f.read()
+f.close()
+
+assert rlan[0:4] in ( 'RLAN', 'RLTP', 'RLMC', 'RLVC', 'RLPA', 'RLTS', 'RLVI')
+assert rlan[4:8] == '\xfe\xff\x00\x08'
+offs, nel = struct.unpack('>hh', rlan[0xc:0x10])
+ch = iff_to_chunks(rlan[offs:])
+
+assert len(ch) == nel
+
+for typ, chunk in ch:
+    assert typ == 'pai1'
+    framesize, flags, _, num_timgs, num_anims, anim_offset = struct.unpack('>hbbhhI', chunk[:0xc])
+    for n in xrange(num_timgs):
+       pos = 0x10 + 4*n
+       offs = struct.unpack('>I', chunk[pos:pos+4])
+       print 'timg: %s' % nullterm(chunk[pos - 8:])
+    for n in xrange(num_anims):
+       pos = anim_offset - 8 + 4*n
+       offs = struct.unpack('>I', chunk[pos:pos+4])[0] - 8
+       name = chunk[offs:offs + 20].rstrip('\0') # ignored by code
+       aoffs = offs + struct.unpack('>I', chunk[offs + 0x18:offs + 0x1c])[0]
+       atyp = chunk[aoffs:aoffs+4]
+       num_aents = ord(chunk[aoffs + 4])
+       print atyp
+       for m in xrange(num_aents):
+            boffs = aoffs + 8 + 4*m
+            coffs, = struct.unpack('>I', chunk[boffs:boffs + 4])
+            coffs += aoffs
+            if atyp == 'RLMC':
+                alpha_maybe = ord(chunk[coffs])
+                num_cookies, pad, cookies_offs = struct.unpack('>HHI', chunk[coffs+4:coffs+0xc])
+                print num_cookies
+                for o in xrange(num_cookies):
+                    cookie_offs = coffs + cookies_offs + 0xc*o
+                    coords = struct.unpack('>fff', chunk[cookie_offs:cookie_offs + 0xc])
+                    print '   ', coords
+            print '   ', '---'
+            
+       #print repr(name)
+       #unk, anim_header_len = struct.unpack('>II', chunk[offs + 20:offs + 28])
+       #atyp = chunk[offs + 28:offs + 32]
+       
\ No newline at end of file