Added some todo notes, update GFX parsing

kk49 · Jan 12, 2020 · 9a3c8c7 · 9a3c8c7
1 parent 4430766
commit 9a3c8c7
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Showing 9 changed files with 264 additions and 25 deletions.
diff --git a/TODO.md b/TODO.md
@@ -0,0 +1,43 @@
+* Handle lFSB5 extract FSB5 files?
+* Handle rival images, how are the name generated
+
+* track audio files to events, determine how translatable audio files are used  
+  * Example file hash == 00FFFE21 file number 15604
+  * Mission pm_03_southcoast, 218561533  (flicka translated to english)
+  * ```
+    # Structure(0xC4AB11E3), Data Offset: 95832(0x00017658)
+    {
+      Id:
+        462990682  # sint32(0x192FE633), Data Offset: 95832(0x00017658)
+      Name:
+        b'mission_wb_pm_03_missionitem_04_header' (0x2c250f28)  # String Hash(0xC03F64BF), Data Offset: 95836(0x0001765c)
+      NameShort:
+        b'attach_paper' (0x6907c7bc)  # String Hash(0xC03F64BF), Data Offset: 95840(0x00017660)
+      Type:
+        3  # sint32(0x192FE633), Data Offset: 95844(0x00017664)
+      Event:
+        OBJID 6 0x0000ca9556052e33 (0xca9556052e33)  # String Hash(0x7421FAD9), Data Offset: 95848(0x00017668)
+      Text:
+        b'mission_wb_pm_03_missionitem_04_content' (0xa6094cd9)  # String Hash(0xC03F64BF), Data Offset: 95856(0x00017670)
+      PlayAudioEvent:
+        OBJID 6 0x0000189e8146ac44 (0x189e8146ac44)  # String Hash(0x7421FAD9), Data Offset: 95860(0x00017674)
+      StopAudioEvent:
+        OBJID 6 0x00006f0f9f8d3f83 (0x6f0f9f8d3f83)  # String Hash(0x7421FAD9), Data Offset: 95866(0x0001767a)
+      Enabled:
+        1  # uint08(0x0CA2821D), Data Offset: 95872(0x00017680)
+      Image:
+        b''  # string(0x8955583E), Data Offset: 29584(0x00007390), Info Offset: 95880(0x00017688)
+      Entity:
+        b'pm03_audio_item_01'  # string(0x8955583E), Data Offset: 95992(0x000176f8), Info Offset: 95888(0x00017690)
+      DependenciesRequired:
+        # Array of sint32s(0xFB9FD4CC), Data Offset: 96(0x00000060), Info Offset: 95896(0x00017698)
+        [
+        ]
+      DependenciesOptional:
+        # Array of sint32s(0xFB9FD4CC), Data Offset: 96(0x00000060), Info Offset: 95912(0x000176a8)
+        [
+        ]
+      Persist:
+        1  # uint08(0x0CA2821D), Data Offset: 95928(0x000176b8)
+    }
+    ```
diff --git a/deca/kaitai/gfx.py b/deca/kaitai/gfx.py
@@ -141,24 +141,23 @@ def __init__(self, _io, _parent=None, _root=None):
             self._read()
 
         def _read(self):
-            self.b1 = self._io.read_u1()
-            self.skip = self._io.read_bytes(self.num_bytes)
+            self.num_bits = self._io.read_bits_int(5)
+            self.x_min_raw = [None] * (self.num_bits)
+            for i in range(self.num_bits):
+                self.x_min_raw[i] = self._io.read_bits_int(1) != 0
 
-        @property
-        def num_bits(self):
-            if hasattr(self, '_m_num_bits'):
-                return self._m_num_bits if hasattr(self, '_m_num_bits') else None
+            self.x_max_raw = [None] * (self.num_bits)
+            for i in range(self.num_bits):
+                self.x_max_raw[i] = self._io.read_bits_int(1) != 0
 
-            self._m_num_bits = (self.b1 >> 3)
-            return self._m_num_bits if hasattr(self, '_m_num_bits') else None
+            self.y_min_raw = [None] * (self.num_bits)
+            for i in range(self.num_bits):
+                self.y_min_raw[i] = self._io.read_bits_int(1) != 0
 
-        @property
-        def num_bytes(self):
-            if hasattr(self, '_m_num_bytes'):
-                return self._m_num_bytes if hasattr(self, '_m_num_bytes') else None
+            self.y_max_raw = [None] * (self.num_bits)
+            for i in range(self.num_bits):
+                self.y_max_raw[i] = self._io.read_bits_int(1) != 0
 
-            self._m_num_bytes = (((self.num_bits * 4) - 3) + 7) // 8
-            return self._m_num_bytes if hasattr(self, '_m_num_bytes') else None
 
 
     class Tag(KaitaiStruct):
@@ -199,6 +198,10 @@ def _read(self):
                 self._raw_tag_body = self._io.read_bytes(self.record_header.len)
                 io = KaitaiStream(BytesIO(self._raw_tag_body))
                 self.tag_body = self._root.ImportAssets2Body(io, self, self._root)
+            elif _on == self._root.TagType.define_shape3:
+                self._raw_tag_body = self._io.read_bytes(self.record_header.len)
+                io = KaitaiStream(BytesIO(self._raw_tag_body))
+                self.tag_body = self._root.DefineShape3Body(io, self, self._root)
             elif _on == self._root.TagType.do_abc:
                 self._raw_tag_body = self._io.read_bytes(self.record_header.len)
                 io = KaitaiStream(BytesIO(self._raw_tag_body))
@@ -412,4 +415,17 @@ def _read(self):
             self.script_timeout_seconds = self._io.read_u2le()
 
 
+    class DefineShape3Body(KaitaiStruct):
+        def __init__(self, _io, _parent=None, _root=None):
+            self._io = _io
+            self._parent = _parent
+            self._root = _root if _root else self
+            self._read()
+
+        def _read(self):
+            self.shape_id = self._io.read_u2le()
+            self.bounds = self._root.Rect(self._io, self, self._root)
+            self.shapes = self._io.read_bytes_full()
+
+
 
diff --git a/deca/kaitai/var_int.py b/deca/kaitai/var_int.py
@@ -0,0 +1,39 @@
+# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
+
+from pkg_resources import parse_version
+from kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
+
+
+if parse_version(ks_version) < parse_version('0.7'):
+    raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version))
+
+class VarInt(KaitaiStruct):
+    """LIMITATIONS:
+      Max number of bits is 32
+    SWF has can have integers of variable bit lengths determined at runtime. This provides support for that
+    """
+    def __init__(self, raw, num_bits, is_signed, is_le, _io, _parent=None, _root=None):
+        self._io = _io
+        self._parent = _parent
+        self._root = _root if _root else self
+        self.raw = raw
+        self.num_bits = num_bits
+        self.is_signed = is_signed
+        self.is_le = is_le
+        self._read()
+
+    def _read(self):
+        self.raw = [None] * (self.num_bits)
+        for i in range(self.num_bits):
+            self.raw[i] = self._io.read_bits_int(1) != 0
+
+
+    @property
+    def value(self):
+        if hasattr(self, '_m_value'):
+            return self._m_value if hasattr(self, '_m_value') else None
+
+        self._m_value = (((((((((((((((((((((((((((((((((((1 if  ((self.num_bits > 0) and (self.raw[0]))  else 0) << 0) | ((1 if  ((self.num_bits > 1) and (self.raw[1]))  else 0) << 1)) | ((1 if  ((self.num_bits > 2) and (self.raw[2]))  else 0) << 2)) | ((1 if  ((self.num_bits > 3) and (self.raw[3]))  else 0) << 3)) | ((1 if  ((self.num_bits > 4) and (self.raw[4]))  else 0) << 4)) | ((1 if  ((self.num_bits > 5) and (self.raw[5]))  else 0) << 5)) | ((1 if  ((self.num_bits > 6) and (self.raw[6]))  else 0) << 6)) | ((1 if  ((self.num_bits > 7) and (self.raw[7]))  else 0) << 7)) | ((1 if  ((self.num_bits > 8) and (self.raw[8]))  else 0) << 8)) | ((1 if  ((self.num_bits > 9) and (self.raw[9]))  else 0) << 9)) | ((1 if  ((self.num_bits > 10) and (self.raw[10]))  else 0) << 10)) | ((1 if  ((self.num_bits > 11) and (self.raw[11]))  else 0) << 11)) | ((1 if  ((self.num_bits > 12) and (self.raw[12]))  else 0) << 12)) | ((1 if  ((self.num_bits > 13) and (self.raw[13]))  else 0) << 13)) | ((1 if  ((self.num_bits > 14) and (self.raw[14]))  else 0) << 14)) | ((1 if  ((self.num_bits > 15) and (self.raw[15]))  else 0) << 15)) | ((1 if  ((self.num_bits > 16) and (self.raw[16]))  else 0) << 16)) | ((1 if  ((self.num_bits > 17) and (self.raw[17]))  else 0) << 17)) | ((1 if  ((self.num_bits > 18) and (self.raw[18]))  else 0) << 18)) | ((1 if  ((self.num_bits > 19) and (self.raw[19]))  else 0) << 19)) | ((1 if  ((self.num_bits > 20) and (self.raw[20]))  else 0) << 20)) | ((1 if  ((self.num_bits > 21) and (self.raw[21]))  else 0) << 21)) | ((1 if  ((self.num_bits > 22) and (self.raw[22]))  else 0) << 22)) | ((1 if  ((self.num_bits > 23) and (self.raw[23]))  else 0) << 23)) | ((1 if  ((self.num_bits > 24) and (self.raw[24]))  else 0) << 24)) | ((1 if  ((self.num_bits > 25) and (self.raw[25]))  else 0) << 25)) | ((1 if  ((self.num_bits > 26) and (self.raw[26]))  else 0) << 26)) | ((1 if  ((self.num_bits > 27) and (self.raw[27]))  else 0) << 27)) | ((1 if  ((self.num_bits > 28) and (self.raw[28]))  else 0) << 28)) | ((1 if  ((self.num_bits > 29) and (self.raw[29]))  else 0) << 29)) | ((1 if  ((self.num_bits > 30) and (self.raw[30]))  else 0) << 30)) | ((1 if  ((self.num_bits > 31) and (self.raw[31]))  else 0) << 31)) | ((-1 << self.num_bits) if  ((self.is_signed) and (self.raw[((self.num_bits - 1) if self.is_le else 0)]))  else 0)) if self.is_le else ((((((((((((((((((((((((((((((((((1 if  ((self.num_bits > 0) and (self.raw[0]))  else 0) << ((self.num_bits - 1) - 0)) | ((1 if  ((self.num_bits > 1) and (self.raw[1]))  else 0) << ((self.num_bits - 1) - 1))) | ((1 if  ((self.num_bits > 2) and (self.raw[2]))  else 0) << ((self.num_bits - 1) - 2))) | ((1 if  ((self.num_bits > 3) and (self.raw[3]))  else 0) << ((self.num_bits - 1) - 3))) | ((1 if  ((self.num_bits > 4) and (self.raw[4]))  else 0) << ((self.num_bits - 1) - 4))) | ((1 if  ((self.num_bits > 5) and (self.raw[5]))  else 0) << ((self.num_bits - 1) - 5))) | ((1 if  ((self.num_bits > 6) and (self.raw[6]))  else 0) << ((self.num_bits - 1) - 6))) | ((1 if  ((self.num_bits > 7) and (self.raw[7]))  else 0) << ((self.num_bits - 1) - 7))) | ((1 if  ((self.num_bits > 8) and (self.raw[8]))  else 0) << ((self.num_bits - 1) - 8))) | ((1 if  ((self.num_bits > 9) and (self.raw[9]))  else 0) << ((self.num_bits - 1) - 9))) | ((1 if  ((self.num_bits > 10) and (self.raw[10]))  else 0) << ((self.num_bits - 1) - 10))) | ((1 if  ((self.num_bits > 11) and (self.raw[11]))  else 0) << ((self.num_bits - 1) - 11))) | ((1 if  ((self.num_bits > 12) and (self.raw[12]))  else 0) << ((self.num_bits - 1) - 12))) | ((1 if  ((self.num_bits > 13) and (self.raw[13]))  else 0) << ((self.num_bits - 1) - 13))) | ((1 if  ((self.num_bits > 14) and (self.raw[14]))  else 0) << ((self.num_bits - 1) - 14))) | ((1 if  ((self.num_bits > 15) and (self.raw[15]))  else 0) << ((self.num_bits - 1) - 15))) | ((1 if  ((self.num_bits > 16) and (self.raw[16]))  else 0) << ((self.num_bits - 1) - 16))) | ((1 if  ((self.num_bits > 17) and (self.raw[17]))  else 0) << ((self.num_bits - 1) - 17))) | ((1 if  ((self.num_bits > 18) and (self.raw[18]))  else 0) << ((self.num_bits - 1) - 18))) | ((1 if  ((self.num_bits > 19) and (self.raw[19]))  else 0) << ((self.num_bits - 1) - 19))) | ((1 if  ((self.num_bits > 20) and (self.raw[20]))  else 0) << ((self.num_bits - 1) - 20))) | ((1 if  ((self.num_bits > 21) and (self.raw[21]))  else 0) << ((self.num_bits - 1) - 21))) | ((1 if  ((self.num_bits > 22) and (self.raw[22]))  else 0) << ((self.num_bits - 1) - 22))) | ((1 if  ((self.num_bits > 23) and (self.raw[23]))  else 0) << ((self.num_bits - 1) - 23))) | ((1 if  ((self.num_bits > 24) and (self.raw[24]))  else 0) << ((self.num_bits - 1) - 24))) | ((1 if  ((self.num_bits > 25) and (self.raw[25]))  else 0) << ((self.num_bits - 1) - 25))) | ((1 if  ((self.num_bits > 26) and (self.raw[26]))  else 0) << ((self.num_bits - 1) - 26))) | ((1 if  ((self.num_bits > 27) and (self.raw[27]))  else 0) << ((self.num_bits - 1) - 27))) | ((1 if  ((self.num_bits > 28) and (self.raw[28]))  else 0) << ((self.num_bits - 1) - 28))) | ((1 if  ((self.num_bits > 29) and (self.raw[29]))  else 0) << ((self.num_bits - 1) - 29))) | ((1 if  ((self.num_bits > 30) and (self.raw[30]))  else 0) << ((self.num_bits - 1) - 30))) | ((1 if  ((self.num_bits > 31) and (self.raw[31]))  else 0) << ((self.num_bits - 1) - 31))) | ((-1 << self.num_bits) if  ((self.is_signed) and (self.raw[((self.num_bits - 1) if self.is_le else 0)]))  else 0)))
+        return self._m_value if hasattr(self, '_m_value') else None
+
+
diff --git a/extern_tools/fsb_aud_extr/.gitignore b/extern_tools/fsb_aud_extr/.gitignore
@@ -0,0 +1,5 @@
+fmodL.dll
+fmod_extr.exe
+fmodex.dll
+fsb_aud_extr.exe
+*.wav
diff --git a/extern_tools/fsb_aud_extr/README.md b/extern_tools/fsb_aud_extr/README.md
@@ -0,0 +1,3 @@
+FSB5 and RIFF audio extraction info
+
+https://zenhax.com/viewtopic.php?t=1901
diff --git a/kaitai_struct/README.md b/kaitai_struct/README.md
@@ -1,4 +1,4 @@
 ```
 cd deca/deca/kaitai/
-kaitai-struct-compiler -t python ../../kaitai_struct/gfx.ksy
+kaitai-struct-compiler -t python --python-package deca.kaitai ../../kaitai_struct/gfx.ksy
 ```
diff --git a/kaitai_struct/gfx.ksy b/kaitai_struct/gfx.ksy
@@ -9,12 +9,16 @@ meta:
     wikidata: Q594447
   license: CC0-1.0
   endian: le
-#  imports:
+  imports:
+    - var_int
 #    - abc_bytecode
+
 doc: |
   First pass at a parser for ScaleForm GFX files.
   https://help.autodesk.com/view/SCLFRM/ENU/?guid=__scaleform_help_flash_support_controltags_html
+
 doc-ref: https://www.adobe.com/content/dam/acom/en/devnet/pdf/swf-file-format-spec.pdf
+
 seq:
   - id: compression
     -orig-id: Signature
@@ -51,17 +55,36 @@ types:
         type: tag
         repeat: until
         repeat-until: _.record_header.tag_type == tag_type::end_of_file
+
   rect:
     seq:
-      - id: b1
-        type: u1
-      - id: skip
-        size: num_bytes
-    instances:
-      num_bits:
-        value: b1 >> 3
-      num_bytes:
-        value: ((num_bits * 4 - 3) + 7) / 8
+      - id: num_bits
+        type: b5
+      - id: x_min_raw
+        # type: var_int(num_bits, true, false)
+        type: b1
+        repeat: expr
+        repeat-expr: num_bits
+      - id: x_max_raw
+        # type: var_int(num_bits, true, false)
+        type: b1
+        repeat: expr
+        repeat-expr: num_bits
+      - id: y_min_raw
+        # type: var_int(num_bits, true, false)
+        type: b1
+        repeat: expr
+        repeat-expr: num_bits
+      - id: y_max_raw
+        # type: var_int(num_bits, true, false)
+        type: b1
+        repeat: expr
+        repeat-expr: num_bits
+#    instances:
+#      x_min:
+#        value: 'x_min_raw.as<bin32>'
+#        value: 'var_int(x_min_raw, num_bits, true, false)'
+
   rgb:
     seq:
       - id: r
@@ -95,6 +118,7 @@ types:
           switch-on: record_header.tag_type
           cases:
             'tag_type::define_sound': define_sound_body
+            'tag_type::define_shape3': define_shape3_body
             'tag_type::do_abc': do_abc_body
             'tag_type::script_limits': script_limits_body
             'tag_type::symbol_class': symbol_class_body
@@ -104,6 +128,7 @@ types:
             'tag_type::gfx_exporter_info': gfx_exporter_info_body
             'tag_type::gfx_define_external_image': gfx_define_external_image_body
             'tag_type::gfx_define_external_image2': gfx_define_external_image2_body
+
   define_sound_body:
     seq:
       - id: id
@@ -139,6 +164,16 @@ types:
       channels:
         0: mono
         1: stereo
+
+  define_shape3_body:
+    seq:
+      - id: shape_id
+        type: u2
+      - id: bounds
+        type: rect
+      - id: shapes
+        size-eos: true
+
   do_abc_body:
     seq:
       - id: flags

diff --git a/deca/cmds/gfx_test.py → kaitai_struct/gfx_test.py b/deca/cmds/gfx_test.py → kaitai_struct/gfx_test.py
diff --git a/kaitai_struct/var_int.ksy b/kaitai_struct/var_int.ksy
@@ -0,0 +1,98 @@
+meta:
+  id: var_int
+  title: Variable length integer helper
+  license: CC0-1.0
+  ks-version: 0.8
+doc: |
+  LIMITATIONS:
+    Max number of bits is 32
+  SWF has can have integers of variable bit lengths determined at runtime. This provides support for that
+params:
+  - id: raw
+  - id: num_bits
+    type: u1
+    doc: Number of bits per digit. Only values of 4 and 8 are supported.
+  - id: is_signed
+    type: bool
+    doc: Endianness of bit array. True means signed integer, false means unsigned integer
+  - id: is_le
+    type: bool
+    doc: Endianness of bit array. True means little-endian, false is for big-endian.
+seq:
+  - id: raw
+    type: b1
+    repeat: expr
+    repeat-expr: num_bits
+
+instances:
+  value:
+    value: >
+        is_le ? (
+          (((num_bits >  0) and raw[ 0]) ? 1 : 0) <<  0 |
+          (((num_bits >  1) and raw[ 1]) ? 1 : 0) <<  1 |
+          (((num_bits >  2) and raw[ 2]) ? 1 : 0) <<  2 |
+          (((num_bits >  3) and raw[ 3]) ? 1 : 0) <<  3 |
+          (((num_bits >  4) and raw[ 4]) ? 1 : 0) <<  4 |
+          (((num_bits >  5) and raw[ 5]) ? 1 : 0) <<  5 |
+          (((num_bits >  6) and raw[ 6]) ? 1 : 0) <<  6 |
+          (((num_bits >  7) and raw[ 7]) ? 1 : 0) <<  7 |
+          (((num_bits >  8) and raw[ 8]) ? 1 : 0) <<  8 |
+          (((num_bits >  9) and raw[ 9]) ? 1 : 0) <<  9 |
+          (((num_bits > 10) and raw[10]) ? 1 : 0) << 10 |
+          (((num_bits > 11) and raw[11]) ? 1 : 0) << 11 |
+          (((num_bits > 12) and raw[12]) ? 1 : 0) << 12 |
+          (((num_bits > 13) and raw[13]) ? 1 : 0) << 13 |
+          (((num_bits > 14) and raw[14]) ? 1 : 0) << 14 |
+          (((num_bits > 15) and raw[15]) ? 1 : 0) << 15 |
+          (((num_bits > 16) and raw[16]) ? 1 : 0) << 16 |
+          (((num_bits > 17) and raw[17]) ? 1 : 0) << 17 |
+          (((num_bits > 18) and raw[18]) ? 1 : 0) << 18 |
+          (((num_bits > 19) and raw[19]) ? 1 : 0) << 19 |
+          (((num_bits > 20) and raw[20]) ? 1 : 0) << 20 |
+          (((num_bits > 21) and raw[21]) ? 1 : 0) << 21 |
+          (((num_bits > 22) and raw[22]) ? 1 : 0) << 22 |
+          (((num_bits > 23) and raw[23]) ? 1 : 0) << 23 |
+          (((num_bits > 24) and raw[24]) ? 1 : 0) << 24 |
+          (((num_bits > 25) and raw[25]) ? 1 : 0) << 25 |
+          (((num_bits > 26) and raw[26]) ? 1 : 0) << 26 |
+          (((num_bits > 27) and raw[27]) ? 1 : 0) << 27 |
+          (((num_bits > 28) and raw[28]) ? 1 : 0) << 28 |
+          (((num_bits > 29) and raw[29]) ? 1 : 0) << 29 |
+          (((num_bits > 30) and raw[30]) ? 1 : 0) << 30 |
+          (((num_bits > 31) and raw[31]) ? 1 : 0) << 31 |
+          ((is_signed and raw[is_le ? (num_bits - 1) : 0]) ? (-1 << num_bits): 0)
+        ) : (
+          (((num_bits >  0) and raw[ 0]) ? 1 : 0) << ((num_bits - 1) -  0) |
+          (((num_bits >  1) and raw[ 1]) ? 1 : 0) << ((num_bits - 1) -  1) |
+          (((num_bits >  2) and raw[ 2]) ? 1 : 0) << ((num_bits - 1) -  2) |
+          (((num_bits >  3) and raw[ 3]) ? 1 : 0) << ((num_bits - 1) -  3) |
+          (((num_bits >  4) and raw[ 4]) ? 1 : 0) << ((num_bits - 1) -  4) |
+          (((num_bits >  5) and raw[ 5]) ? 1 : 0) << ((num_bits - 1) -  5) |
+          (((num_bits >  6) and raw[ 6]) ? 1 : 0) << ((num_bits - 1) -  6) |
+          (((num_bits >  7) and raw[ 7]) ? 1 : 0) << ((num_bits - 1) -  7) |
+          (((num_bits >  8) and raw[ 8]) ? 1 : 0) << ((num_bits - 1) -  8) |
+          (((num_bits >  9) and raw[ 9]) ? 1 : 0) << ((num_bits - 1) -  9) |
+          (((num_bits > 10) and raw[10]) ? 1 : 0) << ((num_bits - 1) - 10) |
+          (((num_bits > 11) and raw[11]) ? 1 : 0) << ((num_bits - 1) - 11) |
+          (((num_bits > 12) and raw[12]) ? 1 : 0) << ((num_bits - 1) - 12) |
+          (((num_bits > 13) and raw[13]) ? 1 : 0) << ((num_bits - 1) - 13) |
+          (((num_bits > 14) and raw[14]) ? 1 : 0) << ((num_bits - 1) - 14) |
+          (((num_bits > 15) and raw[15]) ? 1 : 0) << ((num_bits - 1) - 15) |
+          (((num_bits > 16) and raw[16]) ? 1 : 0) << ((num_bits - 1) - 16) |
+          (((num_bits > 17) and raw[17]) ? 1 : 0) << ((num_bits - 1) - 17) |
+          (((num_bits > 18) and raw[18]) ? 1 : 0) << ((num_bits - 1) - 18) |
+          (((num_bits > 19) and raw[19]) ? 1 : 0) << ((num_bits - 1) - 19) |
+          (((num_bits > 20) and raw[20]) ? 1 : 0) << ((num_bits - 1) - 20) |
+          (((num_bits > 21) and raw[21]) ? 1 : 0) << ((num_bits - 1) - 21) |
+          (((num_bits > 22) and raw[22]) ? 1 : 0) << ((num_bits - 1) - 22) |
+          (((num_bits > 23) and raw[23]) ? 1 : 0) << ((num_bits - 1) - 23) |
+          (((num_bits > 24) and raw[24]) ? 1 : 0) << ((num_bits - 1) - 24) |
+          (((num_bits > 25) and raw[25]) ? 1 : 0) << ((num_bits - 1) - 25) |
+          (((num_bits > 26) and raw[26]) ? 1 : 0) << ((num_bits - 1) - 26) |
+          (((num_bits > 27) and raw[27]) ? 1 : 0) << ((num_bits - 1) - 27) |
+          (((num_bits > 28) and raw[28]) ? 1 : 0) << ((num_bits - 1) - 28) |
+          (((num_bits > 29) and raw[29]) ? 1 : 0) << ((num_bits - 1) - 29) |
+          (((num_bits > 30) and raw[30]) ? 1 : 0) << ((num_bits - 1) - 30) |
+          (((num_bits > 31) and raw[31]) ? 1 : 0) << ((num_bits - 1) - 31) |
+          ((is_signed and raw[is_le ? (num_bits - 1) : 0]) ? (-1 << num_bits): 0)
+        )