JoiningRoom.lua

-- ===========================================================================
--  Joinging Room
--  Intermediate screen when joining (or establishing) a match
-- ===========================================================================

local g_modsActivating = false;
local g_exiting = false;

-- ===========================================================================
-- ===========================================================================
function CanManuallyExitGame()
    if (g_modsActivating) then -- Can't manually exit while activating mods.
        return false;
    end

    return true;
end

function OnCancel()
    if(CanManuallyExitGame()) then
        HandleExitRequest();
    end
end
Controls.CancelButton:RegisterCallback( Mouse.eLClick, OnCancel );


----------------------------------------------------------------
-- Input Handler
----------------------------------------------------------------
function InputHandler( uiMsg, wParam, lParam )

    if uiMsg == KeyEvents.KeyDown then
        if (wParam == Keys.VK_ESCAPE) then
            if(CanManuallyExitGame()) then
                HandleExitRequest();
            end
            return true;
        end
    end

    return false;

end
ContextPtr:SetInputHandler( InputHandler );


-------------------------------------------------
-- Leave the game we're trying to join.
-------------------------------------------------
function HandleExitRequest()
    g_exiting = true;
    Matchmaking.LeaveMultiplayerGame();
    UIManager:DequeuePopup( ContextPtr );
end

-------------------------------------------------
-- Start transition to the Staging room screen.  Assumes that we've already fully connected to multiplayer game.
-------------------------------------------------
function TransitionToStagingRoom()
    -- Attempt to configure game data if we need to for this multiplayer game.
    if (not ContextPtr:IsHotLoad()) then
        local prevCursor = UIManager:SetUICursor( 1 );
        local bChanged = Modding.ActivateAllowedDLC();
        UIManager:SetUICursor( prevCursor );
    end

    -- Send out an event to send us to the staging room after configuring game data.
    Events.SystemUpdateUI( SystemUpdateUIType.RestoreUI, "StagingRoom" );
end

function OnSystemUpdateUI( type, tag )
    if( type == SystemUpdateUIType.RestoreUI) then
        if (tag == "StagingRoom") then
            -- If the staging room is being restored, we're done and need to go away.
            UIManager:DequeuePopup( ContextPtr );
        end
    end
end
Events.SystemUpdateUI.Add( OnSystemUpdateUI );


-------------------------------------------------
-- Event Handler: MultiplayerJoinRoomComplete
-------------------------------------------------
function OnJoinRoomComplete()
    if (not ContextPtr:IsHidden()) then
        if Matchmaking.IsHost() then
            -- If the host, we're already fully in our own game, go to the staging room.
            TransitionToStagingRoom();
        else
            Controls.JoiningLabel:SetText( Locale.ConvertTextKey("TXT_KEY_MULTIPLAYER_JOINING_HOST" ));
        end
    end
end
Events.MultiplayerJoinRoomComplete.Add( OnJoinRoomComplete );


-------------------------------------------------
-- Event Handler: MultiplayerJoinRoomFailed
-------------------------------------------------
function OnJoinRoomFailed( iExtendedError, aExtendedErrorText )
    if (not ContextPtr:IsHidden()) then
        if iExtendedError == NetErrors.MISSING_REQUIRED_DATA then
            local szText = Locale.ConvertTextKey("TXT_KEY_MP_JOIN_FAILED_MISSING_RESOURCES");

            -- The aExtendedErrorText will contain an array of the IDs of the resources (DLC/Mods) needed by the game.
            local count = table.count(aExtendedErrorText);
            if(count > 0) then
                szText = szText .. "[NEWLINE]";
                    for index, value in pairs(aExtendedErrorText) do
                    szText = szText .. "[NEWLINE] [ICON_BULLET]" .. Locale.ConvertTextKey(value);
                end
            end
            Events.FrontEndPopup.CallImmediate( szText );
        elseif iExtendedError == NetErrors.ROOM_FULL then
            Events.FrontEndPopup.CallImmediate( "TXT_KEY_MP_ROOM_FULL" );
        else
            Events.FrontEndPopup.CallImmediate( "TXT_KEY_MP_JOIN_FAILED" );
        end
        Matchmaking.LeaveMultiplayerGame();
        UIManager:DequeuePopup( ContextPtr );
    end
end
Events.MultiplayerJoinRoomFailed.Add( OnJoinRoomFailed );

-------------------------------------------------
-- Event Handler: MultiplayerConnectionFailed
-------------------------------------------------
function OnMultiplayerConnectionFailed()
    if (not ContextPtr:IsHidden()) then
        -- We should only get this if we couldn't complete the connection to the host of the room
            Events.FrontEndPopup.CallImmediate( "TXT_KEY_MP_JOIN_FAILED" );
        Matchmaking.LeaveMultiplayerGame();
        UIManager:DequeuePopup( ContextPtr );
    end
end
Events.MultiplayerConnectionFailed.Add( OnMultiplayerConnectionFailed );

-------------------------------------------------
-- Event Handler: MultiplayerGameAbandoned
-------------------------------------------------
function OnMultiplayerGameAbandoned(eReason)
    if (not ContextPtr:IsHidden()) then
        if (eReason == NetKicked.BY_HOST) then
            Events.FrontEndPopup.CallImmediate( "TXT_KEY_MP_KICKED" );
        elseif (eReason == NetKicked.NO_ROOM) then
            Events.FrontEndPopup.CallImmediate( "TXT_KEY_MP_ROOM_FULL" );
        else
                Events.FrontEndPopup.CallImmediate( "TXT_KEY_MP_JOIN_FAILED" );
        end
        Matchmaking.LeaveMultiplayerGame();
        UIManager:DequeuePopup( ContextPtr );
    end
end
Events.MultiplayerGameAbandoned.Add( OnMultiplayerGameAbandoned );

-------------------------------------------------
-- Event Handler: ConnectedToNetworkHost
-------------------------------------------------
function OnHostConnect()
    if (not ContextPtr:IsHidden()) then
        Controls.JoiningLabel:SetText( Locale.ConvertTextKey("TXT_KEY_MULTIPLAYER_JOINING_PLAYERS" ));
    end
end
Events.ConnectedToNetworkHost.Add ( OnHostConnect );

-------------------------------------------------
-- Event Handler: MultiplayerConnectionComplete
-------------------------------------------------
function OnConnectionCompete()
    if (not ContextPtr:IsHidden()) then
        if not Matchmaking.IsHost() then
            TransitionToStagingRoom();
        end
    end
end
Events.MultiplayerConnectionComplete.Add( OnConnectionCompete );

-------------------------------------------------
-- Event Handler: MultiplayerNetRegistered
-------------------------------------------------
function OnNetRegistered()
    if (not ContextPtr:IsHidden()) then
        Controls.JoiningLabel:SetText( Locale.ConvertTextKey("TXT_KEY_MULTIPLAYER_JOINING_GAMESTATE" ));
    end
end
Events.MultiplayerNetRegistered.Add( OnNetRegistered );

-------------------------------------------------
-- Event Handler: PlayerVersionMismatchEvent
-------------------------------------------------
function OnVersionMismatch( iPlayerID, playerName, bIsHost )
    if( bIsHost ) then
        Events.FrontEndPopup.CallImmediate( Locale.ConvertTextKey( "TXT_KEY_MP_VERSION_MISMATCH_FOR_HOST", playerName ) );
        Matchmaking.KickPlayer( iPlayerID );
    else
        Events.FrontEndPopup.CallImmediate( Locale.ConvertTextKey( "TXT_KEY_MP_VERSION_MISMATCH_FOR_PLAYER" ) );
        HandleExitRequest();
    end
end
Events.PlayerVersionMismatchEvent.Add( OnVersionMismatch );

-------------------------------------------------
-- Event Handler: BeforeModsDeactivate/AfterModsActivate
-------------------------------------------------
function OnBeforeModsDeactivate()
    g_modsActivating = true;
end
Events.BeforeModsDeactivate.Add( OnBeforeModsDeactivate );

function OnAfterModsActivate()
    g_modsActivating = false;
end
Events.AfterModsActivate.Add( OnAfterModsActivate );

-------------------------------------------------
-- Show / Hide Handler
-------------------------------------------------
function ShowHideHandler( bIsHide, bIsInit )
    if( not bIsInit ) then
        if not bIsHide then
            g_exiting = false;
            -- Activate only the DLC allowed for this MP game.  Mods will also deactivated/activate too.
            if (not ContextPtr:IsHotLoad()) then
                local prevCursor = UIManager:SetUICursor( 1 );
                local bChanged = Modding.ActivateAllowedDLC();
                UIManager:SetUICursor( prevCursor );

                -- Send out an event to continue on, as the ActivateDLC may have swapped out the UI
                Events.SystemUpdateUI( SystemUpdateUIType.RestoreUI, "JoiningRoom" );
            end

        Controls.JoiningLabel:LocalizeAndSetText( "TXT_KEY_MULTIPLAYER_JOINING_ROOM" );
        end
    end
end
ContextPtr:SetShowHideHandler( ShowHideHandler );


-------------------------------------------------
-------------------------------------------------
function OnUpdateUI( type, tag, iData1, iData2, strData1)
    if (type == SystemUpdateUIType.RestoreUI and tag == "JoiningRoom" and not g_exiting) then
        LuaEvents.CloseAnyQueuedMy2KPopup();
        if (ContextPtr:IsHidden()) then
            UIManager:QueuePopup(ContextPtr, PopupPriority.JoiningScreen );
        end
    end
end
Events.SystemUpdateUI.Add( OnUpdateUI );