Initial commit for testing/fixing a deprecated godot-colyseus addon

addons/godot_colyseus/lib/encoder.gd

@@ -0,0 +1,67 @@
+extends RefCounted
+
+const MsgPack = preload("res://addons/godot_colyseus/lib/msgpack.gd")
+
+var writer: StreamPeerBuffer
+
+func _init(writer: StreamPeerBuffer):
+	writer.big_endian = false
+	self.writer = writer
+
+func string(v: String):
+	
+	var bytes = v.to_utf8_buffer()
+	var length = bytes.size()
+	
+	if length < 0x20:
+		writer.put_u8(length | 0xa0)
+	elif length < 0x100:
+		writer.put_u8(0xd9)
+		writer.put_u8(length)
+	elif length < 0x10000:
+		writer.put_u8(0xda)
+		writer.put_u16(length)
+	elif length < 0x100000000:
+		writer.put_u8(0xdb)
+		writer.put_u32(length)
+	else:
+		assert(false) #,"String too long")
+	
+	writer.put_data(bytes)
+
+func number(v):
+	if v == NAN:
+		return number(0)
+	elif v != abs(v):
+		writer.put_u8(0xcb)
+		writer.put_double(v)
+	elif v >= 0:
+		if v < 0x80:
+			writer.put_u8(v)
+		elif v < 0x100:
+			writer.put_u8(0xcc)
+			writer.put_u8(v)
+		elif v < 0x10000:
+			writer.put_u8(0xcd)
+			writer.put_u16(v)
+		elif v < 0x100000000:
+			writer.put_u8(0xce)
+			writer.put_u32(v)
+		else:
+			writer.put_u8(0xcf)
+			writer.put_u32(v)
+	else:
+		if v >= -0x20:
+			writer.put_u8(0xe0 | (v + 0x20))
+		elif v >= -0x80:
+			writer.put_u8(0xd0)
+			writer.put_8(v)
+		elif v >= -0x8000:
+			writer.put_u8(0xd1)
+			writer.put_16(v)
+		elif v >= -0x80000000:
+			writer.put_u8(0xd2)
+			writer.put_32(v)
+		else:
+			writer.put_u8(0xd3)
+			writer.put_64(v)