Tried many values and found gametype and teams bytes

dpnet/netserver.py

@@ -244,51 +244,89 @@ class Netserver:
             payload.putLong(0x00)  # unknown
             payload.putLong(0x50)  # unknown - 80
             payload.putLong(0x41)  # unknown - 65
-            payload.putLong(0x14)  # max players
-            payload.putLong(0x02)  # current players
+            payload.putLong(self.server.maxplayers)  # max players
+            payload.putLong(len(self.server.players))  # current players
             payload.putByte(len((name + "\x00").encode("utf-16-le"))) # player name length
-            payload.write(b'\x01\x00\x00')  # unknown - 3585 - or \x16\x01\x00\x00
+            payload.write(b'\x01\x00\x00')  # original: 010000 - client does not connect if wrong
             payload.putLong(len((self.server.name + "\x00").encode("utf-16-le")))  # SERVERNAME LENGTH
             for _ in range(4):
                 payload.putLong(0)  # unknown
             payload.putLong(204+len((name+"\x00").encode("utf-16-le")))  # 204+playerlen that's an offset FUN FACT: setting it to a bad value makes the client crash on connect
-            payload.putLong(0x34)  # unknown - 52
+            payload.putLong(0x12)  # original: 0x34 - does not seem to affect the client
             payload.write(self.guid)  # instance guid
             payload.write(
                 b"\x10\x5e\x62\xa7\x96\x1a\xd2\x11\x9a\xfc\x00\x60\x08\x45\xe5\x71")  # app guid
-            payload.write(b'\x40\xf5\x62\xe1')
-            payload.putLong(0x21)  # unknown - 33
+            payload.write(b'\x40\xf5\x62\xe1') # original: 40f562e1 - client does not connect if wrong
+            payload.putLong(0x10)  # original: 0x21 - does not seem to affect the client
             payload.putLong(0x00)  # unknown
             payload.putLong(0x02)  # unknown - 2
+            payload.putLong(0x00)  # original: 0x00
+            payload.write(b'\x01\x01\x01\x01') # original: 45f552e3 - does not seem to affect the client
             payload.putLong(0x00)
-            payload.write(b'\x45\xf5\x52\xe3')
-            payload.putLong(0x00)
-            payload.write(b'\x02\x04\x00\x00')  # unknown
-            payload.putLong(0x02)  # unknown - 2
+            payload.write(b'\x02\x04\x00\x00')  # original: 02040000 - client does not connect if wrong
+            payload.putLong(0x02)  # original: 0x02 - client does not connect if wrong
             payload.putLong(0x00)  # unknown
-            payload.putLong(0x07)  # unknown - 7
+            payload.putLong(0x07)  # original: 0x07 unknown - 7
             for _ in range(6):
                 payload.putLong(0)  # unknown
-            payload.write(b'\x40\xf5\x62\xe1')  # unknown - 1089823457
+            payload.write(b'\x40\xf5\x62\xe1')  # original: 40f562e1 - client does not connect if wrong
             payload.putLong(0x00)  # unknown
             payload.write(b'\x00\x02\x00\x00')  # unknown - ?
-            payload.putLong(0x21)  # unknown - 33
+            payload.putLong(0x21)  # original: 0x21 unknown - 33
             payload.putLong(0x00)  # unknown - 0
-            payload.putLong(0x07)  # unknown - 7
-            payload.putLong(0xcc)  # unknown - 204
+            payload.putLong(0x07)  # original: 0x07 unknown - 7
+            payload.putLong(0xcc)  # original: 0xcc - does not seem to affect client
             payload.putLong(len((name + "\x00").encode("utf-16-le")))  # player name length
             for _ in range(4):
                 payload.putLong(0)  # unknown
             payload.write((name + "\x00").encode("utf-16-le"))
             payload.write(b'\xff')  # map ID
-            payload.write(b'\x01\x01\x00')
+            payload.write(b'\x08')  # game type
+            # 00: Team Deathmatch
+            # 01: Team Deathmatch with full base
+            # 02: Capture Smartie
+            # 03: Capture Smartie with full base
+            # 04: Base Build Deathmatch
+            # 05: Base Build and Capture the Smartie
+            # 06: Defend Base
+            # 07: Defend Base and Capture the Smartie
+            # 08: GTypeStone
+            # 09: GTypeWood
+            # 0a: crash to desktop
+            # 0b: crash to desktop
+            # 0c: GType(null)
+            # 0d: crash to desktop
+            # 0e: crash to desktop
+            # 0f: crash to desktop
+            # 10: crash to desktop
+            # feel free to try other values...
+            # aa: crash to desktop
+            # ff: crash to desktop
+
+            payload.write(b'\x00') # teams
+            # 00: MvM
+            # 01: MvMvM
+            # 02: RvR
+            # 03: MvR
+            # 04: MvRvK
+            # 05: MvK
+            # 06: RvK
+            # 07: ? Team B
+            # 08: ? Team B
+            # feel free to try other values...
+            # 10: ? Team B
+            # 0c: ? Team B
+            # 5a: crash to desktop
+            payload.write(b'\xcc') # original: 0x00 - does not seem to affect client
             payload.write(b'\xd9\x05') # game version
-            payload.write(b'\x02\x92') # unknown
-            payload.write(b'\x05\x00\x01\x00\x00\x00\x00\x00')  # Unknown
+            payload.write(b'\x03\x90') # original: 0292 - does not seem to affect client
+            payload.write(b'\x05\x00') # points per capture
+            payload.write(b'\x01\x00') # points per kill
+            payload.write(b'\xff\xff') # original: 0000 - does not seem to affect client
+            payload.write(b'\x00\x00') # détente time
             payload.write(b'\x9c\x53\xf4\xdf')  # Seems to be a checksum of current map OR linked to the number of chars in the map name
             payload.write(self.server.currentmap.mapname.encode("ascii"))
             payload.write(b'\x00' * (32 - len(self.server.currentmap.mapname)))
-            #payload.putLong(0x00)  # ??
             payload.write((self.server.name + "\x00").encode("utf-16-le"))
 
             r.Payload = payload.getvalue()