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Support for launching from command line in offline mode

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This allows launching an offline instance with --offline --name=OfflineName. This is useful for playing split screen by creating two side-by-side instances, which is impossible online, unless one is using two separate paid accounts.

With this PR, it makes it possible to launch from a script - otherwise, one has to launch manually, which is a pain, or create offline profiles for each instance, which interferes with some functionality like skins (my autistic son takes great issue with his skin not being visible, when using offline profiles!).

Implementation is based on MultiMC, which supports this feature.

See also https://github.com/PrismLauncher/PrismLauncher/issues/1059 for discussion.

Signed-off-by: Michael Tyson <michael@atastypixel.com>
This commit is contained in:
Michael Tyson
2024-04-23 14:23:53 +10:00
parent 65b0fdf08d
commit 43e4481b70
4 changed files with 39 additions and 10 deletions
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13
launcher/LaunchController.cpp
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@ -235,10 +235,15 @@ void LaunchController::login()
if (!m_session->wants_online) {
// we ask the user for a player name
bool ok = false;
auto name = askOfflineName(m_session->player_name, m_session->demo, ok);
if (!ok) {
tryagain = false;
break;
QString name;
if (m_offlineName.isEmpty()) {
name = askOfflineName(m_session->player_name, m_session->demo, ok);
if (!ok) {
tryagain = false;
break;
}
} else {
name = m_offlineName;
}
m_session->MakeOffline(name);
// offline flavored game from here :3