Decode WarHammer.ani

scripts/try-uncompress

@@ -19,7 +19,7 @@ module Obj
 
     def self.parse(data)
       hdr = new(*data[0..SIZE - 1].unpack("VVVVV"))
-      pp hdr
+      # pp hdr
       hdr.validate!(data.bytes.size)
       hdr
     end
@@ -96,7 +96,7 @@ module Obj
         DirEntry.parse(rel_data.byteslice(rel_offset, DirEntry::SIZE))
       end
 
-      pp entries
+      # pp entries
 
       new(entries)
     end
@@ -380,6 +380,18 @@ def correlate(filenames)
   pp results
 end
 
+def directory(filename, num)
+  data = File.read(filename).force_encoding("BINARY")
+
+  hdr = Obj::Header.parse(data)
+  dir = Obj::SpriteDir.parse(data[hdr.dir_range])
+  entry = dir.entries[num]
+
+  puts "Sprite directory starts at 0x#{hdr.dir_offset.to_s(16)}"
+  puts "Directory entry for sprite #{num} is at 0x#{(hdr.dir_offset + (Obj::DirEntry::SIZE * num)).to_s(16)}"
+  puts "Sprite #{num} is at 0x#{(hdr.data_offset + entry.rel_offset).to_s(16)} and is #{entry.sprite_size} bytes"
+end
+
 def sprites(filename)
   obj = load_obj(filename)
 
@@ -514,6 +526,8 @@ def unknown16(filenames)
 end
 
 case command = ARGV.shift
+when "directory" then
+  directory(ARGV[0], ARGV[1].to_i)
 when "unknown16" then
   unknown16(ARGV)
 when "sprites" then