diff options
author | Jordan Schidlowsky <jordan@winterpixel.com> | 2021-09-27 10:09:32 +0200 |
---|---|---|
committer | Fabio Alessandrelli <fabio.alessandrelli@gmail.com> | 2021-12-15 14:03:42 +0100 |
commit | 397d895fb76d37881933c6e42b6256847ef6f2e6 (patch) | |
tree | 989b0f12c05c0b186d84d83166a458995d53c5f2 /modules/enet | |
parent | 1930fc8b3150e3084c16557d82dc2c517e3f292b (diff) |
[Net] ENetMultiplayerPeer now sends fragmented packets unreliably too.
It used to always send them reliably when transfer mode was unreliable
or ordered if the packet size was more then the enet host MTU (1400
bytes by default).
This commit also adds a warning when debug is enabled to explain the
effects of sending fragmented packets unreliably.
Diffstat (limited to 'modules/enet')
-rw-r--r-- | modules/enet/enet_multiplayer_peer.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/modules/enet/enet_multiplayer_peer.cpp b/modules/enet/enet_multiplayer_peer.cpp index 2cfae60ad2..5c0a2286d2 100644 --- a/modules/enet/enet_multiplayer_peer.cpp +++ b/modules/enet/enet_multiplayer_peer.cpp @@ -441,11 +441,11 @@ Error ENetMultiplayerPeer::put_packet(const uint8_t *p_buffer, int p_buffer_size } else { switch (get_transfer_mode()) { case Multiplayer::TRANSFER_MODE_UNRELIABLE: { - packet_flags = ENET_PACKET_FLAG_UNSEQUENCED; + packet_flags = ENET_PACKET_FLAG_UNSEQUENCED | ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT; channel = SYSCH_UNRELIABLE; } break; case Multiplayer::TRANSFER_MODE_UNRELIABLE_ORDERED: { - packet_flags = 0; + packet_flags = ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT; channel = SYSCH_UNRELIABLE; } break; case Multiplayer::TRANSFER_MODE_RELIABLE: { @@ -455,6 +455,12 @@ Error ENetMultiplayerPeer::put_packet(const uint8_t *p_buffer, int p_buffer_size } } +#ifdef DEBUG_ENABLED + if ((packet_flags & ENET_PACKET_FLAG_UNRELIABLE_FRAGMENT) && p_buffer_size + 8 > ENET_HOST_DEFAULT_MTU) { + WARN_PRINT_ONCE(vformat("Sending %d bytes unrealiably which is above the MTU (%d), this will result in higher packet loss", p_buffer_size + 8, ENET_HOST_DEFAULT_MTU)); + } +#endif + ENetPacket *packet = enet_packet_create(nullptr, p_buffer_size + 8, packet_flags); encode_uint32(unique_id, &packet->data[0]); // Source ID encode_uint32(target_peer, &packet->data[4]); // Dest ID |