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(svn r18804) -Codechange: guard against binaries claiming to be compatible with a future (stable) release of OpenTTD.

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rubidium
2010-01-14 23:06:41 +00:00
parent c390e8f00e
commit 4ecb3eb33c
2 changed files with 29 additions and 0 deletions
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7
src/network/network_client.cpp
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@@ -189,6 +189,13 @@ DEF_CLIENT_SEND_COMMAND(PACKET_CLIENT_GETMAP)
*/
Packet *p = new Packet(PACKET_CLIENT_GETMAP);
/* Send the OpenTTD version to the server, let it validate it too.
* But only do it for stable releases because of those we are sure
* that everybody has the same NewGRF version. For trunk and the
* branches we make tarballs of the OpenTTDs compiled from tarball
* will have the lower bits set to 0. As such they would become
* incompatible, which we would like to prevent by this. */
if (HasBit(_openttd_newgrf_version, 19)) p->Send_uint32(_openttd_newgrf_version);
MY_CLIENT->Send_Packet(p);
}