lib.games.sierra: Init

CHANGELOG.rst

@@ -11,6 +11,7 @@ Unreleased
 - blocks.Block: Add option to delay caching refs
 - utils.find_iter: Fix binary searching
 - lib.platforms.director.unlock_dir_file: Improve robustness, remove dependency on parser
+- lib.games.sierra: Init
 
 0.9.0 - 2021-01-14
 ==================

mrcrowbar/lib/games/sierra.py

@@ -0,0 +1,43 @@
+from mrcrowbar import models as mrc
+
+
+class TIMFile( mrc.Block ):
+    file_name = mrc.Bytes( length=13 )
+    size = mrc.UInt32_LE()
+    data = mrc.Bytes( length=mrc.Ref( 'size' ) )
+
+    @property
+    def repr( self ):
+        return self.file_name.split(b'\x00')[0].decode('utf8')
+
+
+class ResourceTIM( mrc.Block ):
+    raw_data = mrc.Bytes()
+
+    def __init__( self, *args, **kwargs ):
+        super().__init__( *args, **kwargs )
+        self.store = mrc.Store( self, mrc.Ref( 'raw_data' ) )
+
+
+class TIMFileEntry( mrc.Block ):
+    _file = mrc.StoreRef( TIMFile, mrc.Ref( '_parent._resource.store' ), mrc.Ref( 'offset' ) )
+
+    name_hash = mrc.Int32_LE()
+    offset = mrc.UInt32_LE()
+
+
+class TIMFileStruct( mrc.Block ):
+    _resource = None        # replace with the ResourceTIM object
+
+    file_name = mrc.Bytes( length=13 )
+    entry_count = mrc.UInt16_LE()
+    entries = mrc.BlockField( TIMFileEntry, count=mrc.Ref( 'entry_count' ) )
+
+
+class ResourceMapTIM( mrc.Block ):
+    hash_index = mrc.Bytes( length=4 )
+    file_count = mrc.UInt16_LE()
+    files = mrc.BlockField( TIMFileStruct, count=mrc.Ref( 'file_count' ) )
+
+
+