Add a generic "JoinServer" function (#693)

Adds a function that allows the client to join a server from a `ServerInfo` struct.
This also changes the server browser to use this function.

Northstar.Client/mod/scripts/vscripts/ui/menu_ns_connect_password.nut

@@ -1,11 +1,13 @@
 global function AddNorthstarConnectWithPasswordMenu
+global function SetPasswordTargetServer
 
 struct
 {
 	var menu
 	var enterPasswordBox
 	var enterPasswordDummy
 	var connectButton
+	ServerInfo& targetServer
 } file
 
 void function AddNorthstarConnectWithPasswordMenu()
@@ -51,11 +53,16 @@ void function OnConnectWithPasswordMenuOpened()
 
 }
 
+void function SetPasswordTargetServer( ServerInfo server )
+{
+	file.targetServer = server
+}
+
 void function ConnectWithPassword( var button )
 {
 	if ( GetTopNonDialogMenu() == file.menu )
 	{
 		TriggerConnectToServerCallbacks()
-		thread ThreadedAuthAndConnectToServer( Hud_GetUTF8Text( Hud_GetChild( file.menu, "EnterPasswordBox" ) ), true )
+		thread JoinServer( file.targetServer, Hud_GetUTF8Text( Hud_GetChild( file.menu, "EnterPasswordBox" ) ) )
 	}
 }

Northstar.Client/mod/scripts/vscripts/ui/menu_ns_serverbrowser.nut

@@ -2,7 +2,10 @@ untyped
 // Only way to get Hud_GetPos(sliderButton) working was to use untyped
 
 global function AddNorthstarServerBrowserMenu
-global function ThreadedAuthAndConnectToServer
+
+global function JoinServer
+global function JoinServerByName
+global function CancelJoinServer
 
 global function AddConnectToServerCallback
 global function RemoveConnectToServerCallback
@@ -370,7 +373,7 @@ void function ToggleConnectingHUD( bool vis )
 
 void function ConnectingButton_Activate( var button )
 {
-	file.cancelConnection = true
+	CancelJoinServer()
 }
 
 ////////////////////////////
@@ -1097,17 +1100,18 @@ void function OnServerSelected_Threaded( var button )
 	if ( server.requiresPassword )
 	{
 		OnCloseServerBrowserMenu()
+		SetPasswordTargetServer( file.lastSelectedServer )
 		AdvanceMenu( GetMenu( "ConnectWithPasswordMenu" ) )
 	}
 	else
 	{
 		TriggerConnectToServerCallbacks()
-		thread ThreadedAuthAndConnectToServer( "", downloadedMods != 0 )
+		thread ThreadedAuthAndConnectToServer()
 	}
 }
 
 
-void function ThreadedAuthAndConnectToServer( string password = "", bool modsChanged = false )
+void function ThreadedAuthAndConnectToServer( string password = "" )
 {
 	if ( NSIsAuthenticatingWithServer() )
 		return
@@ -1135,6 +1139,8 @@ void function ThreadedAuthAndConnectToServer( string password = "", bool modsCha
 
 	if ( NSWasAuthSuccessful() )
 	{
+		bool modsChanged = false
+
 		// disable all RequiredOnClient mods that are not required by the server and are currently enabled
 		foreach ( string modName in NSGetModNames() )
 		{
@@ -1350,14 +1356,138 @@ void function RemoveConnectToServerCallback( void functionref( ServerInfo ) call
 
 void function TriggerConnectToServerCallbacks( ServerInfo ornull targetServer = null )
 {
-	ServerInfo server;
-	if (targetServer == null)
-	{
+	if ( !targetServer )
 		targetServer = file.lastSelectedServer
-	}
+
+	expect ServerInfo( targetServer )
 
 	foreach( callback in file.connectCallbacks )
 	{
-		callback( expect ServerInfo( targetServer ) )
+		callback( targetServer )
+	}
+}
+
+//////////////////////////////////////
+// Join server
+//////////////////////////////////////
+
+void function CancelJoinServer()
+{
+	file.cancelConnection = true
+}
+
+bool function JoinServerByName( string serverName, string password = "" )
+{
+	// Request list of online servers.
+	NSRequestServerList()
+	while ( NSIsRequestingServerList() )
+	{
+		WaitFrame() 
+	}
+
+	// Go through all servers that are currently online
+	foreach ( server in NSGetGameServers() )
+	{
+		// Join the server if it has the correct server name.
+		if ( server.name == serverName )
+		{
+			return JoinServer( server )
+		}
 	}
+
+	print( format( "Failed to connect to server %s: No such server", serverName ) )
+
+	return false
+}
+
+bool function JoinServer( ServerInfo server, string password = "" )
+{
+	if ( NSIsAuthenticatingWithServer() )
+		return false
+
+	printt( format( "Connecting to server %s with id of %s", server.name, server.id ) )
+
+	TriggerConnectToServerCallbacks( server )
+	NSTryAuthWithServer( server.index, password )
+
+	ToggleConnectingHUD( true )
+
+	while ( NSIsAuthenticatingWithServer() && !file.cancelConnection )
+		WaitFrame()
+
+	ToggleConnectingHUD( false )
+
+	if ( file.cancelConnection )
+	{
+		file.cancelConnection = false
+		return false
+	}
+
+	file.cancelConnection = false
+
+	if ( NSWasAuthSuccessful() )
+	{
+		bool modsChanged = false
+
+		// disable all RequiredOnClient mods that are not required by the server and are currently enabled
+		foreach ( string modName in NSGetModNames() )
+		{
+			if ( NSIsModRequiredOnClient( modName ) && NSIsModEnabled( modName ) )
+			{
+				// find the mod name in the list of server required mods
+				bool found = false
+				foreach ( RequiredModInfo mod in server.requiredMods )
+				{
+					if ( mod.name == modName )
+					{
+						found = true
+						break
+					}
+				}
+				// if we didnt find the mod name, disable the mod
+				if ( !found )
+				{
+					modsChanged = true
+					NSSetModEnabled( modName, false )
+				}
+			}
+		}
+
+		// enable all RequiredOnClient mods that are required by the server and are currently disabled
+		foreach ( RequiredModInfo mod in server.requiredMods )
+		{
+			if ( NSIsModRequiredOnClient( mod.name ) && !NSIsModEnabled( mod.name ) )
+			{
+				modsChanged = true
+				NSSetModEnabled( mod.name, true )
+			}
+		}
+
+		// only actually reload if we need to since the uiscript reset on reload lags hard
+		if ( modsChanged )
+			ReloadMods()
+
+		NSConnectToAuthedServer()
+		return true
+	}
+	else
+	{
+		string reason = NSGetAuthFailReason()
+
+		DialogData dialogData
+		dialogData.header = "#ERROR"
+		dialogData.message = reason
+		dialogData.image = $"ui/menu/common/dialog_error"
+
+		#if PC_PROG
+			AddDialogButton( dialogData, "#DISMISS" )
+
+			AddDialogFooter( dialogData, "#A_BUTTON_SELECT" )
+		#endif // PC_PROG
+		AddDialogFooter( dialogData, "#B_BUTTON_DISMISS_RUI" )
+
+		OpenDialog( dialogData )
+		return false
+	}
+	return false
 }