ChatPlus

Source code on GitHub | Report an issue | Thunderstore

A BepInEx mod for On Together that makes the chat nicer to use: the time of every message, a much longer history that comes back after a lobby change and is saved to a file, and a chat window you can resize.

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Settings menu

F3, /chatplus, the chat-header gear or the speech-bubble side button open/close settings. Tabs: Appearance, Messages, History, Controls. Advanced rows collapse.

Cream panels, warm brown text, coral accents, rounded controls and game fonts. Side buttons form one group, show the mod name and the settings hotkey (where available), and move away from visible UI panels. If both edges are blocked, the buttons wait until space becomes available. Existing hotkeys, commands and configuration keys are preserved. Menus scroll on smaller screens; changes save automatically. Where shown, Apply saves a field draft. Invalid values keep the saved setting.

Features

• Message time in front of every message (and, optionally, of the game's notifications), in the format you like: 14:05, 14:05:09, 2:05 PM, [14:05] or any .NET time format. Its color and size can be changed. Messages from another day also show the date.
• Longer history. The game keeps only 50 lines in the Global tab and 25 in Local; ChatPlus keeps 200 and 100 by default (up to 1000 each).
• History that survives a lobby change. Everything said during the game session is remembered: when you join a lobby (again), the chat shows the earlier messages, marked by an "earlier messages" line. Clicking an earlier message still opens the player's ID card. Players you ignore or muted stay hidden.
• History file. The session's chat is written to BepInEx/ChatPlus/chat-history.tsv (opens in Excel, LibreOffice or any text editor). On the next game start it is moved to chat-history.previous.tsv, so the history lasts until the game is restarted. Optionally it can be kept across restarts, and readable daily logs (BepInEx/ChatPlus/logs/yyyy-MM-dd.txt) can be written too.
• Resizable chat window. Drag the handle at the chat's top-right corner (it shows while the chat is active), or set the width and height in the settings. The frame, the message area and the input field follow; double-click the handle for the game's size. The text size can be changed separately.
• The chat stays where you put it, also after a lobby change or a restart.
• Separate counters while the chat is collapsed: Global (G, or Г in Russian) and Local (L / Л), each independently shown or hidden in the settings. Both are enabled by default and reset when you expand the chat. Each counts received player messages up to 99; your messages, restored history and game notifications do not count. Hiding a counter keeps its count until you expand the chat or leave the lobby.
• Mention highlight: messages with your name or your keywords are highlighted.
• Up / Down in the empty input field bring back the messages and commands you sent before.
• Select and copy text: hold Shift, then drag with the left mouse button, within a message or across multiple messages, and press Ctrl+C. Escape or a click elsewhere clears the selection. An ordinary left-button drag or touch swipe scrolls the chat; the mouse wheel also scrolls. The gesture mode is fixed when you press, so changing Shift during a drag does not switch actions. Dragging a selection beyond the viewport scrolls too. An ordinary click still opens the player's card; a swipe does not.
• Right-click within the selection to copy it, or right-click another message to copy its whole text.
• Background opacity: set it from 0% (transparent) to 100% (the original background), separately from the text size. This includes the frame, chat and input backgrounds, Global/Local tab backgrounds, and ChatPlus's settings button, gear icon and resize handle. Message text and selection highlighting retain their opacity.
• Settings in the game's style: a cream/coral F3 window with Appearance, Messages, History and Controls tabs, live previews and collapsible advanced options. Open it with F3, /chatplus or the gear in the chat header. The header also shows scrolling, selection and copying hints. Settings save automatically; mod-manager config edits apply while the game is running.
• Message editor in F3 → Messages: a draft, live preview using the game's text renderer, font selection, solid colors or gradients, bold and italic. Choose colors from presets, type #RRGGBB, or click the swatch for RGB sliders. Insert into chat copies the draft into the normal chat input; press Enter there to send.
• Optional outgoing formatting uses the game's standard text tags, so recipients do not need ChatPlus. Font choices are the normal game font and built-in Liberation Sans; Liberation Sans changes Latin letters, while Russian letters keep the usual fallback font. Gradients use up to eight color bands and fewer bands when needed to fit the game's 250-character limit (including tags). Messages that cannot fit are not sent or truncated, and the draft is kept. Commands and manually tagged messages are left alone.
• Only the sender needs the mod. Other features remain local; outgoing formatting is sent as part of the ordinary message text. English and Russian interface (follows the game's language).

Usage

Action	How
Settings window	F3, /chatplus or the gear in the chat header
Resize the chat	drag the handle at its top-right corner; double-click it for the normal size
Size from the chat	/chatplus size 150 120 (width and height in %), /chatplus size reset
Text size	/chatplus text 120
Background opacity	F3 → Appearance → Background opacity (0–100%)
Message editor	F3 → Messages
Scroll the chat	left-button drag / swipe, or mouse wheel
Select / copy text	hold Shift before left-dragging, then Ctrl+C or right-click within the selection; Escape clears
Message time	/chatplus time on, /chatplus time off, /chatplus time format HH:mm:ss
Lines kept in the chat	/chatplus lines 300 150 (Global, Local)
Clear the chat	/chatplus clear (the history keeps the lines)
Forget the history	/chatplus clearhistory
Open the history folder	/chatplus folder
Size and position back to normal	/chatplus reset
Highlight words	/chatplus keyword add mark, markus, keyword remove mark, keyword list, keyword clear
Current settings	/chatplus status
Command list	/chatplus help

/chp is a short alias for /chatplus. Commands are handled on your side and are never posted to the chat. If CommandAPI is installed, the command is also listed by its /help and suggested by CommandTypeahead.

Configuration

BepInEx/config/ontogether.chatplus.cfg (created on first launch; editable from the mod manager's Config editor, also while the game is running).

Section	Key	Default	Description
General	Language	Auto	Auto (the game's language), English, Russian.
General	SettingsWindow	F3	Opens / closes the settings window.
Outgoing	Enabled	false	Apply the editor's style to messages you send; visible on unmodified clients.
Outgoing	Font	GameDefault	GameDefault or LiberationSans. The latter changes Latin letters; Cyrillic uses the normal fallback.
Outgoing	ColorMode	Original	Original, Solid or Gradient.
Outgoing	Color, EndColor	#F2C46D, #6AA8FF	Solid/first color and last gradient color, as #RRGGBB.
Outgoing	Bold, Italic	false, false	Bold and italic tags on outgoing messages.
Time	Enabled	true	Show the time in front of every message.
Time	Format	HH:mm	.NET time format: HH:mm, HH:mm:ss, h:mm tt, [HH:mm]...
Time	Color	#F5EDE1A6	#RRGGBB or #RRGGBBAA; empty = the text's color.
Time	Size	85	Size of the time, in % of the text.
Time	OnNotifications	true	Also for the game's notifications.
History	GlobalLines	200	Lines kept in the Global tab (the game: 50).
History	LocalLines	100	Lines kept in the Local tab (the game: 25).
History	RestoreAfterLobbyChange	true	Show the session's earlier messages after joining a lobby.
History	RestoreNotifications	false	Bring back the game's notifications too.
History	SaveToFile	true	Write the session's chat to BepInEx/ChatPlus/chat-history.tsv.
History	KeepAfterRestart	false	Keep (and show) the previous game session's history after a restart.
History	DailyLogs	false	Also write readable logs, one file per day, to BepInEx/ChatPlus/logs.
Window	Width, Height	100, 100	Chat window size in % of the game's size (70-300, 50-200).
Window	TextSize	100	Chat text size in % (60-200).
Window	BackgroundOpacity	100	Background and ChatPlus button opacity in % (0-100). Text is unaffected.
Window	ResizeHandle	true	Show the resize handle on the chat.
Window	RememberPosition	true	Keep the chat where you dragged it.
Window	Position	(empty)	Saved automatically.
Window	CullHiddenLines	true	Lines scrolled out of view are not drawn (keeps a long chat fast). Turn it off if chat text shows outside the chat window.
Notifications	ShowGlobalCounter	true	Show the Global message counter beside the reopen-chat button while the chat is collapsed. Applies immediately.
Notifications	ShowLocalCounter	true	Show the Local message counter beside the reopen-chat button while the chat is collapsed. Applies immediately. Disable both to hide all collapsed-chat counters.
Extras	HighlightMentions	true	Highlight messages that mention you.
Extras	HighlightColor	#F2C46D	Highlight color (made see-through).
Extras	Keywords	(empty)	More words that highlight a message, separated by commas.
Extras	RecallSentMessages	true	Up / Down in the empty input field bring back sent messages.
Extras	RightClickCopies	true	A right click copies the selection on that message, or the whole message without a selection.
Extras	SelectText	true	Shift + left-drag selects text across messages; Ctrl+C copies, Escape clears. Normal dragging and touch swipes always scroll. Disable to turn off selection.

Files

File	What it is
BepInEx/ChatPlus/chat-history.tsv	This game session's chat: time, channel, type, Steam ID, name, message, the line as shown. Tab-separated, UTF-8.
BepInEx/ChatPlus/chat-history.previous.tsv	The previous game session's chat.
BepInEx/ChatPlus/logs/yyyy-MM-dd.txt	Readable logs (only with DailyLogs).

The files are outside BepInEx/config, so they are not included when you export or share a mod manager profile.

Notes

• Very large line limits make the chat slower: every line is a text object in the game's UI. To keep a long chat fast, lines scrolled out of view are not drawn, and the game's rebuild of all chat lines when the chat fades in or out is skipped unless the font outline really changed (it changes only in the desktop overlay modes).
• The size is in % of the game's chat window. The chat is kept on the screen: if a new size would make it stick out, it is moved.
• Works together with ChatSounds, LocalChatRange, CommandAPI / CommandTypeahead and AndrewLin's mods. ChatResizer (jaide) scales the same window; use one of the two.

Installation

Thunderstore Mod Manager / r2modman: install from the mod list, or use Settings -> Import local mod with the package zip.

Manual: install BepInExPack, then copy ChatPlus.dll into BepInEx/plugins/.

Building from source

Requires Windows, .NET SDK 6.0 or newer, an installed copy of On Together, and BepInEx 5 (for example, a Thunderstore Mod Manager / r2modman profile).

From the repository directory, run:

powershell -ExecutionPolicy Bypass -File .\build.ps1 -GameDir "C:\path\to\On-Together" -BepInExCore "C:\path\to\profile\BepInEx\core"

GameDir must contain OnTogether.exe and OnTogether_Data\Managed. BepInExCore must contain BepInEx.dll and 0Harmony.dll. Game and BepInEx assemblies are referenced locally and are not distributed in this repository.

The build creates the plugin DLL in src/bin/Release/ and the installable Thunderstore archive in dist/. Ready-to-install archives are also available in GitHub Releases.

Run the existing tests with .NET SDK 9.0 or newer: dotnet run --project tests/ChatPlus.Tests.csproj.

Русский

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Настройки открываются через F3, /chatplus, шестерёнку чата или боковую кнопку с облаком сообщения. Вкладки: Вид, Сообщения, История, Управление. Дополнительные параметры сворачиваются.

Кремовые панели, коричневый текст, коралловые акценты и скруглённые элементы. Боковые кнопки собраны в одну группу; при наведении видны название мода и клавиша настроек, если она есть. Группа избегает видимых игровых панелей; когда места нет, кнопки скрываются до освобождения края. Настройки и прежние клавиши сохранены. Низкие окна прокручиваются, изменения сохраняются автоматически; кнопка «Применить», где она есть, сохраняет введённое значение.

Side settings buttons are opaque squares with rounded corners, a dark brown outline and proportionate icons, sized to match the game's right-hand controls. They hide with the native controls in Desktop mode, including tooltips and pointer hit areas.

Боковые кнопки настроек стали непрозрачными и квадратными: скруглённые углы, коричневая обводка и значки без растягивания. Размер соответствует высоте игровых кнопок справа. В Desktop-режиме они скрываются вместе с игровыми; подсказки и области нажатия также отключаются.