From 313afffce7a823c30acf4853b083f9ca5132e879 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <git@mail.dweipert.de>
Date: Fri, 29 Nov 2024 21:54:32 +0100
Subject: next commit

---
 extractor/grf.gd | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

(limited to 'extractor')

diff --git a/extractor/grf.gd b/extractor/grf.gd
index 8cb03c1..27dcab0 100644
--- a/extractor/grf.gd
+++ b/extractor/grf.gd
@@ -1,4 +1,40 @@
 class_name GRF
 
+
 class Header:
-	var signature: int
+	static var byte_length: int = 46
+	
+	## Byte Length: 15
+	## Master of Magic
+	var signature: String
+	
+	## Byte Length: 15
+	var encryption: PackedByteArray
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var file_table_offset: int
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var reserved_files: int
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var file_count: int
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var version: int
+	
+	
+	static func from_file(file: FileAccess):
+		var header = Header.new()
+		header.signature = file.get_buffer(15).get_string_from_utf8()
+		header.encryption = file.get_buffer(15)
+		header.file_table_offset = file.get_buffer(4).decode_u32(0)
+		header.reserved_files = file.get_buffer(4).decode_u32(0)
+		header.file_count = file.get_buffer(4).decode_u32(0)
+		header.version = file.get_buffer(4).decode_u32(0)
+		
+		return header
-- 
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