Add script to generate dialogue data from text

1 files changed, 54 insertions, 0 deletions

diff --git a/scripts/generate_from_gbtxt.py b/scripts/generate_from_gbtxt.py
new file mode 100644
index 0000000..f31ed04
--- /dev/null
+++ b/scripts/generate_from_gbtxt.py
@@ -0,0 +1,54 @@
+import sys
+
+if len(sys.argv) < 2:
+    raise ValueError("Must have gbtxt file in first argument")
+
+gbtxt_filename = sys.argv[1]
+
+gbtxt_file = open(gbtxt_filename, 'r')
+
+
+def ascii_to_gbtext_format(c):
+    c = c.upper()
+    match c:
+        case c if c <= '9' and c >= '0':
+            return ord(c) - ord('0') + 0x80
+        case c if c <= 'Z' and c >= 'A':
+            return ord(c) - ord('A') + 0x80 + 10
+        case ':':
+            return 0xaa
+        case '"':
+            return 0xa9
+        case "'":
+            return 0xa8
+        case ',':
+            return 0xa7
+        case '?':
+            return 0xa6
+        case '!':
+            return 0xa5
+        case '.':
+            return 0xa4
+        case ' ':
+            return 0x00
+        case _:
+            raise ValueError("Char \"" + c + "\" is not in the allowed charset")
+
+for line in gbtxt_file:
+    line = line.strip()
+
+    if len(line) == 0:
+        continue
+    
+    if line[0] == '#':
+        continue
+
+    if not ':' in line:
+        raise ValueError("Text without label is not allowed")
+
+    label = line[:line.index(':') + 1]
+    text = line[line.index(':') + 1:].strip()
+
+    print(label)
+
+    print(".DB", ", ".join([hex(ascii_to_gbtext_format(c)) for c in text]) + ", 0xff")