next commit

1 files changed, 72 insertions, 0 deletions

diff --git a/byte_stream.gd b/byte_stream.gd
new file mode 100644
index 0000000..df55a7d
--- /dev/null
+++ b/byte_stream.gd
@@ -0,0 +1,72 @@
+class_name ByteStream
+
+
+var bytes: PackedByteArray
+
+var position: int = 0
+
+
+@warning_ignore("shadowed_variable")
+static func from_bytes(bytes: PackedByteArray):
+	var byte_stream = ByteStream.new()
+	
+	byte_stream.bytes = bytes
+	
+	return byte_stream
+
+
+@warning_ignore("shadowed_variable")
+func seek(position: int):
+	if position > 0:
+		assert(position < bytes.size())
+	
+	self.position = position
+
+
+func decode_u8():
+	var result = bytes.decode_u8(position)
+	seek(position + 1)
+	
+	return result
+
+func decode_u16():
+	var result = bytes.decode_u16(position)
+	seek(position + 2)
+	
+	return result
+
+func decode_u32():
+	var result = bytes.decode_u32(position)
+	seek(position + 4)
+	
+	return result
+
+func decode_u64():
+	var result = bytes.decode_u64(position)
+	seek(position + 8)
+	
+	return result
+
+func decode_s8():
+	var result = bytes.decode_s8(position)
+	seek(position + 1)
+	
+	return result
+
+func decode_s16():
+	var result = bytes.decode_s16(position)
+	seek(position + 2)
+	
+	return result
+
+func decode_s32():
+	var result = bytes.decode_s32(position)
+	seek(position + 4)
+	
+	return result
+
+func decode_s64():
+	var result = bytes.decode_s64(position)
+	seek(position + 8)
+	
+	return result