First proper commit.

tools/decompile_data.py

@@ -0,0 +1,90 @@
+#! /usr/bin/python3
+
+import os
+import re
+import sys
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+root_dir = script_dir + "/../"
+data_dir = root_dir + "data/"
+
+
+def try_text(text_bytes):
+    bad_bytes = 0
+    for byte in text_bytes:
+        if byte < 32:
+            bad_bytes += 1
+
+    # Arbitrary string detection heuristic
+    if bad_bytes / len(text_bytes) >= 0.3:
+        return None
+
+    try:
+        text = text_bytes.decode("EUC-JP")
+    except UnicodeDecodeError:
+        return None
+
+    text = text.strip(" \0")
+    if len(text) > 0 and bool(re.search('[a-zA-Z]', text)):
+        text = text.replace("\\x00", "")
+        text = text.replace("\n", "\\n")
+        text = text.replace("\"", "\\\"")
+        ret = "\n    .asciz \"" + text + "\"\n    .balign 4\n"
+        return ret
+
+
+def word_convert(byte_string):
+    try:
+        words = byte_string.split(",")
+        byte_array = b""
+        for word in words:
+            data = word.strip()[2:]
+            byte_array += bytearray.fromhex(data)
+    except ValueError:
+        return byte_string
+
+    if len(words) > 1:
+        res = try_text(byte_array)
+        if res is not None:
+            return res
+
+    return byte_string
+
+
+def handle_match(match):
+    in_str = match.group()[6:]
+    ret = word_convert(in_str)
+    if ret == in_str:
+        return match.group()
+    return ret
+
+
+def process_data_file(file_path):
+    with open(file_path) as f:
+        file_text = f.read()
+
+    new_file_text = re.sub(" \\.word 0x.*", handle_match, file_text)
+
+    if new_file_text != file_text:
+        with open(file_path, "w") as f:
+            f.write(new_file_text)
+        return True
+    return False
+
+
+def main():
+    skip_list = ['z_en_kanban.rodata.s', 'z_demo_tre_lgt.rodata.s', 'z_en_light.rodata.s']
+
+    i = 0
+    for root, dirs, files in os.walk(data_dir):
+        for file in files:
+            if i == 10:
+                return
+            if file.endswith(".rodata.s") and file not in skip_list:
+                path = os.path.join(root, file)
+                if process_data_file(path):
+                    print("Processed " + path)
+                    i += 1
+
+
+main()