diff options
Diffstat (limited to 'src/network/core')
| -rw-r--r-- | src/network/core/config.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/network/core/config.h b/src/network/core/config.h index d64dec2d9..d37210e19 100644 --- a/src/network/core/config.h +++ b/src/network/core/config.h @@ -73,9 +73,20 @@ static const uint NETWORK_GRF_NAME_LENGTH = 80; ///< Maxim /** * Maximum number of GRFs that can be sent. - * This limit is reached when PACKET_UDP_SERVER_RESPONSE reaches the maximum size of UDP_MTU bytes. + * + * This limit exists to avoid that the SERVER_INFO packet exceeding the + * maximum MTU. At the time of writing this limit is 32767 (TCP_MTU). + * + * In the SERVER_INFO packet is the NetworkGameInfo struct, which is + * 142 bytes + 100 per NewGRF (under the assumption strings are used to + * their max). This brings us to roughly 326 possible NewGRFs. Round it + * down so people don't freak out because they see a weird value, and you + * get the limit: 255. + * + * PS: in case you ever want to raise this number, please be mindful that + * "amount of NewGRFs" in NetworkGameInfo is currently an uint8. */ -static const uint NETWORK_MAX_GRF_COUNT = 62; +static const uint NETWORK_MAX_GRF_COUNT = 255; /** * The number of landscapes in OpenTTD. |