Fix decompressing some Pop'n Music images.

2019-06-24 22:36:11 +00:00 · 2019-06-24 22:36:11 +00:00 · efb51c15f0
parent 2199686b33
commit efb51c15f0
1 changed files with 6 additions and 2 deletions
--- a/utils/lzss.py
+++ b/utils/lzss.py
@ -62,8 +62,12 @@ class LZSSDecompressor:
                yield data
            elif flag == self.FLAG_BACKREF:
                # Backref into window buffer setup
-                high = self.data[self.consumed]
-                low = self.data[self.consumed + 1]
+                try:
+                    high = self.data[self.consumed]
+                    low = self.data[self.consumed + 1]
+                except IndexError:
+                    # We're done reading, nothing else to do
+                    return

                if (
                    low == 0 and high == 0 and