Mamanyonyo/akashi-esquizolandia
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send only x offset to old clients

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This commit is contained in:
in1tiate 2021-03-10 20:56:07 -06:00
parent d84c20784d
commit 6aff469a8c
2 changed files with 42 additions and 2 deletions
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7
include/aoclient.h
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@ -59,6 +59,13 @@ class AOClient : public QObject {
QString ooc_name = "";
QString showname = "";
bool global_enabled = true;
struct ClientVersion {
QString string;
int release = -1;
int major = -1;
int minor = -1;
}
ClientVersion version;
QMap<QString, unsigned long long> ACLFlags {
{"NONE", 0ULL},

37
src/packets.cpp
View File

@ -54,6 +54,30 @@ void AOClient::pktSoftwareId(AreaData* area, int argc, QStringList argv, AOPacke
"y_offset"
};
// Extremely cursed client version string validation
// Ideally version strings should be X.X.X but it can be literally anything
// so we have to be super careful
version->string = argv[1];
QString version_raw = argv[1].split(".");
bool ok;
int release_version = version_raw[0].toInt(&ok);
if (ok && version_raw.size() >= 1)
version.release = release_version;
if (ok && version_raw.size() >= 2) {
int major_version = version_raw[1].toInt(&ok);
if (ok)
version.major = major_version;
}
if (ok && version_raw.size() >= 3) {
int minor_version = version_raw[2].toInt(&ok);
if (ok)
version.minor = minor_version;
}
sendPacket("PN", {QString::number(server->player_count), max_players});
sendPacket("FL", feature_list);
}
@ -456,8 +480,17 @@ AOPacket AOClient::validateIcPacket(AOPacket packet)
// self offset
offset = incoming_args[17].toString();
args.append(offset);
args.append(other_offset);
// versions 2.6-2.8 cannot validate y-offset so we send them just the x-offset
if ((version.release == 2) && (version.major == 6 || version.major == 7 || version.major == 8)) {
QString x_offset = offset.split("&")[0];
args.append(x_offset);
QString other_x_offset = other_offset.split("&")[0];
args.append(other_x_offset);
}
else {
args.append(offset);
args.append(other_offset);
}
args.append(other_flip);
// noninterrupting preanim