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Codechange: refactor CheckGameCompatibility() from existing function 

Later commits use this function in other places too.
pull/9123/head
Patric Stout 2021-04-26 20:02:58 +02:00 committed by Patric Stout
parent b3003dd163
commit b57d845e55
3 changed files with 22 additions and 8 deletions
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15
src/network/core/game_info.cpp
View File

@ -106,6 +106,21 @@ bool IsNetworkCompatibleVersion(const char *other)
return hash1 != nullptr && hash2 != nullptr && strncmp(hash1, hash2, GITHASH_SUFFIX_LEN) == 0;
}
/**
* Check if an game entry is compatible with our client.
*/
void CheckGameCompatibility(NetworkGameInfo &ngi)
{
/* Check if we are allowed on this server based on the revision-check. */
ngi.version_compatible = IsNetworkCompatibleVersion(ngi.server_revision);
ngi.compatible = ngi.version_compatible;
/* Check if we have all the GRFs on the client-system too. */
for (const GRFConfig *c = ngi.grfconfig; c != nullptr; c = c->next) {
if (c->status == GCS_NOT_FOUND) ngi.compatible = false;
}
}
/**
* Fill a NetworkGameInfo structure with the latest information of the server.
* @param ngi the NetworkGameInfo struct to fill with data.

1
src/network/core/game_info.h
View File

@ -93,6 +93,7 @@ extern NetworkServerGameInfo _network_game_info;
const char *GetNetworkRevisionString();
bool IsNetworkCompatibleVersion(const char *other);
void CheckGameCompatibility(NetworkGameInfo &ngi);
void FillNetworkGameInfo(NetworkGameInfo &ngi);

14
src/network/network_udp.cpp
View File

@ -324,10 +324,15 @@ void ClientNetworkUDPSocketHandler::Receive_SERVER_RESPONSE(Packet *p, NetworkAd
/* Find next item */
item = NetworkGameListAddItem(*client_addr);
/* Clear any existing GRFConfig chain. */
ClearGRFConfigList(&item->info.grfconfig);
/* Retrieve the NetworkGameInfo from the packet. */
DeserializeNetworkGameInfo(p, &item->info);
/* Check for compatability with the client. */
CheckGameCompatibility(item->info);
/* Ensure we consider the server online. */
item->online = true;
item->info.compatible = true;
{
/* Checks whether there needs to be a request for names of GRFs and makes
* the request if necessary. GRFs that need to be requested are the GRFs
@ -341,7 +346,6 @@ void ClientNetworkUDPSocketHandler::Receive_SERVER_RESPONSE(Packet *p, NetworkAd
uint in_request_count = 0;
for (c = item->info.grfconfig; c != nullptr; c = c->next) {
if (c->status == GCS_NOT_FOUND) item->info.compatible = false;
if (c->status != GCS_NOT_FOUND || strcmp(c->GetName(), UNKNOWN_GRF_NAME_PLACEHOLDER) != 0) continue;
in_request[in_request_count] = c;
in_request_count++;
@ -369,12 +373,6 @@ void ClientNetworkUDPSocketHandler::Receive_SERVER_RESPONSE(Packet *p, NetworkAd
strecat(item->info.server_name, " (IPv6)", lastof(item->info.server_name));
}
/* Check if we are allowed on this server based on the revision-match */
item->info.version_compatible = IsNetworkCompatibleVersion(item->info.server_revision);
item->info.compatible &= item->info.version_compatible; // Already contains match for GRFs
item->online = true;
UpdateNetworkGameWindow();
}