BTD6bot

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Automation tool for Bloons TD 6 with a simple graphical user interface.

BTD6bot Latest Version Download

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# BTD6bot

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/overview.png) |
|:--:|
| *Overview of different gui windows (help window excluded)*|

**BTD6bot** is a program for automating **Bloons Tower Defense 6** game.  
It includes a simple graphical user interface: not visually impressive, but easy to use and offers a lot of 
functionality.

**Supports only single player game modes accessed under the main menu "Play" button.** 
Support for multiplayer/competitive modes such as races, bosses, contested territory, boss rush, etc. will not be added.

Bot is quite complex and has been tested thoroughly, but you may still encounter bugs.

Btd6 includes elements of **randomness**, which cannot be removed entirely. On top of this bot's text 
detection times can vary ever so slightly which alters upgrade and ability timings etc. If you're planning to use bot to
obtain *Chimps black medals* on harder advanced/expert maps, it could take several attempts before
 getting a successful run.

**-- Warning --** 
***Be aware that automation/botting is against Ninja Kiwi's [Terms of Service](https://ninjakiwi.com/terms) and
imposes the risk of flagging your account for cheating, or worst case, getting it banned. 
I'm not certain how they could enforce this ruleset in a single player environment, though. If you're concerned,
you can always run bot offline. 
You have been warned.***

**-- Contributions --**  
If you'd like to contribute to project, for example add new game plans, see [Contributions](#contributing-to-project) 
section.

---
#### [Update status]

- Latest version of bot is **1.1.0** which matches BTD6's *Update 55*.

=> Release notes can be found [here](https://github.com/j-miet/BTD6bot/releases/tag/v1.0.0)
    - For now, bot is planned to be updated after each major game update. These **updates** are marked as `1.X.0`
    - Sometimes bug fixes, small changes, new plans etc. are added between updates. These  **patches** are marked 
    as `1.X.Y`

- All available game plans are listed [here](Plans.md)

=> Plans were previously updated in **1.0.0**. Next update cycle is scheduled for **1.2.0**.

- Main goal is to keep all Chimps plans available and updated. This process is repeated 
 **every 2-3 updates**. Other plans could stay untested for extended periods of time, however they are also less 
 affected by tower balancing/price changes.

#### [Supported display resolutions]

- Resolutions with **16:9 aspect ratio are recommended** as bot can easily scale mouse/text locations between 
similar interfaces.
- With ultrawide resolutions, game seems to restrict in-game area into a 16:9 box and extend unused space with border
texture. With some adjustments bot should work just fine (but this has not been tested). 
- For an arbitrary aspect ratio, game is likely to add or remove vertical/horizontal border textures and change 
button/text locations during gameplay. Bot has two solutions for this:
 1. use windowed mode and try to force the game into 16:9 resolution using launch arguments 
 - useful if your OS doesn't support 16:9 natively
 2. game border shifting + manually re-recording all location (*very tedious*)
 - for borders: check manually the pixel widths/heights of border textures, then add this offset using 'in-game 
 resolution shift' setting.
 - for locations: record all static coordinate locations on your current resolution and replace existing custom 
 values: this requires a lot of work

#### [OS support]

Because of limited access to other operating systems than Windows, it's very difficult to ensure bot works on 
all of them. Currently:
- **Windows (10 or higher) is fully supported and thus recommended.**

- **Linux**:

Tested on following distros:
    - **Linux Mint 22.3 (Xfce)**
    - **Debian 13.4 (GNOME on Xorg)**
    - **Linux Arch (Wayland with Hyprland)**
    
    At least gui, kb+mouse automation, and ocr functions have been tested on these distros which means bot should 
    operate just fine.

=> In general, **bot supports X11 or wlroots-based displays.** If your system has one of these available, you 
    should be able to run the bot even if it's not listed above. How these relate to tested distros:
    - Linux Mint uses X11
    - Debian GNOME uses *GNOME Wayland* by default, which intentionally limits screenshots to be 
    interactive/user-controlled, preventing code-level access. However you can easily switch to *GNOME on Xorg* which 
    uses X11
    - Hyprland uses it's custom *aquamarine* compositor for Wayland which also retains wlroots compatibility
    
    For more info, see [this section](_install/INSTALL.md#linux) of the install guide. It will used as a reference 
    later and explains the X11/Wayland compatibility in more detail.

- **MacOS => Not supported, but could still work**

Bot functionality remains largely untested without access to modern native Mac system i.e. owning a Mac PC. 
 Thus the responsibility of testing is left to user.

- some code-level testing has been done using VirtualBox on much older versions (Catalina, Big Sur):
        - custom gui-only hotkeys are disabled for Mac systems. Reason is Python libraries used for gui and 
        hotkeys (`tkinter` & `pynput` respectively) interfere with each other due to them running on same main thread. 
        Thus hotkeys must be typed manually. Also bot can be still halted without hotkeys by quickly dragging mouse 
        cursor to upper-left corner.
        - mac uses `16:10` aspect ratio as a baseline and lacks the support for recommended `16:9` resolutions. Again, 
    this can probably be fixed by using the tricks explained above in resolution section.
        - if using running the bot inside gui doesn't work, you can use the no-gui version of bot. You can still use 
        gui to update settings, hotkeys and plan queue, then close gui and switch to no-gui version.

The only *"OS-independent solution"* would be a dual boot setup: install a separate Windows version/widely supported 
Linux distribution, then run btd6 + bot in this environment.
- Don't try to use virtual machine. These cannot properly utilize GPU which makes your game run on extremely low fps.

#### [Keyboard languages]

There's an issue with keyboard value conversion with different input languages on keyboard. This reason is current 
system stores values in strings instead of keycodes.

Current saving process:
- user gives input
- input is parsed. This can happen in three ways:
 - store a character literal of that value -> `a` -> "a", `+` -> "+", `-` -> "-"
 - interpret it as a special key (Space, Enter, Shift, Alt, Ctrl etc.), still initially store it as a string
 but adds a Key suffix e.g. "Key.Enter".
 - numpad keys which become become strings from "<96>" (numpad1) to "<105>" (numpad9)
- save string into a hotkeys.txt file in custom `value = key` syntax

Here the main issue is character literals: keyboards can output different value when key at same position is pressed. 
For example
- Nordic and US keyboards => `-` outputs `-`
- German keyboard => `-` outputs `/`

**Why this (possibly) breaks hotkeys:**  
Bot uses Python libraries which innately default to US-centric which would also produce the "-" and this same value 
is now the output. So when user with german keyboard system attempts to input `/`, bot saves this as "-" BUT 
Bloons TD 6 game still excepts the "/". So the chain becomes

> User sets hotkey "/" -> bot converts this to "-" -> game still expects "/", but instead receives "-"

Fixing this system would require some larger changes in code base. While annoying, this is not a critical issue and 
won't prevent bot from running. It will be fixed at some point in the future, but 
**there's no estimated time of arrival for this fix yet**.

**Temporary fix (until hotkey system gets overhauled)**  
If your hotfix doesn't map properly, you can edit the hotkeys file directly in `btd6bot/Files/text files/hotkeys.txt`. 
Simply change the right side of hotkey and save file. For example:
- you use german keyboard layout and want to replace the default `-` value for bottom path upgrades to match `/`
- just like above, pressing `-` on a german keyboard results in just `-` again
- so instead open the file hotkeys.txt file, find the line `upgrade bot = -` and change this to `upgrade bot = /`
- save the file

And you're good to go.

#### [Future updates]

Will mostly depend on what features/changes BTD6 does. For bot this usually means:
- add support for new towers/heroes
- add Chimps plans for new maps

Since bot has reached version 1.0.0, it's unlikely any major features gets added.  
Some possible ones **with no specific ETA:**
- project code/structure changes:
    - update hotkey system from string chars to keycodes (this would prevent issues with different keyboard language 
    systems)
    - update plans directory structure by adding subdirectories for each map
    - use a proper plan file format like yaml/toml/json instead of python files. Would require a major rework of the 
    codebase, but also make writing plans much easier.
    - go over entire codebase and see if there's anything that absolutely needs to be updated/reworked
    - add integration test suite: unit testing the bot is difficult due to extensive ocr usage. To do this: either 
    build a simple simulation environment, or prepare and use a sequence of test images

- add support for farming in-game achievements in some form

## Table of contents

- [Features](#features)
- [Installation](#installation)
 - [Option 1: Use batch/shell script file](#option-1-use-batchshell-script-file)
 - [Option 2: Manual install](#option-2-manual-install)
- [First-time setup](#first-time-setup)
 - [Quick tutorial](#quick-tutorial)
 - [Full tutorial](#full-tutorial)
 - [Update bot hotkeys](#update-bot-hotkeys)
 - [Settings: update resolution and enable ocr auto-adjust](#settings-update-resolution-and-enable-ocr-auto-adjust)
 - [Run the ocr adjusting process](#run-the-ocr-adjusting-process)
- [Resolution with other than 16:9 aspect ratio](#resolutions-with-other-than-169-aspect-ratios)
 - [Ultrawide resolutions](#ultrawide-resolutions)
 - [Any aspect ratio](#any-aspect-ratio)
- [GUI windows](#gui-windows)
 - [Main](#main)
 - [Help](#help)
 - [Queue](#queue)
 - [Hotkeys](#hotkeys)
 - [Settings](#settings)
 - [Monitoring](#monitoring)
- [Creating a new plan](#creating-a-new-plan)
 - [Create a plan file](#create-a-plan-file)
 - [Commands](#commands)
 - [Monkeys](#monkeys)
 - [Heroes](#heroes)
 - [General](#general)
 - [Tables: Monkeys, heroes and targeting options](#tables-monkeys-heroes-and-targeting-options)
- [Updating the bot](#updating-the-bot)
- [Contributing to project](#contributing-to-project)

# Features

- [Tested on `1920x1080` resolution + `fullscreen`, with around `90-144` constant fps; normally 144, but with more
 stuff on screen it could go all the way down to ~90]  
**All maps on CHIMPS difficulty are supported**. As bot is required to finish any plan in 
one go, this also means CHIMPS includes **black medal/border**.

- Graphical user interface (**GUI**) made with Python's build-in Tkinter library. Very simple when it comes to visuals,
but easy to use. Here are some of the properties:

- set bot hotkeys
    - change display settings to match your in-game settings like custom resolution or windowed mode
    - run a single plan or create a customized queue of multiple plans. Plans can be searched and sorted with custom 
    regex
    - **farm collection event rewards**. Bot selects only Expert maps with bonus rewards and runs them on Easy-Standard
    - see info for currently selected plan if available
    - auto-record round times and check the generated time graph of most recent record with "Show plot" button
    - see all the printed text that bot outputs during runtime
 
    For gui visuals and in-depth look on all features, see [GUI windows](#gui-windows) section.

Bot can also be run without gui by using `-no-gui` command line argument. This version shares some of its 
 settings with gui version so ideally you change settings in gui, close it and run no-gui version after. Otherwise you 
 need to edit *gui_vars.json* file directly.
 
- Support for various resolutions settings:

- **16:9** aspect ratio + **fullscreen** (*recommended*)
    - **16:9** aspect ratio + **windowed mode** (*also recommended, requires a bit more setup*).
        - window location is defined by its top-left coordinate. On Windows, bot can auto-detect this position. 
        Otherwise user can simply use provided tools to pinpoint this value 
        - Btd6 can also be run with `-popupwindow` launch argument to remove 
    title bar on top of game window. This sets game window in the middle of screen by default, but there's a simple way 
    to setup window location beforehand. More importantly, you can also use `-screen-width` and `-screen-height` 
    arguments to force  16:9 resolution.  
        
        => works fine, but decreasing window size too much could reduce bot's text reading accuracy
    - aspect ratio **greater than 16:9** + **fullscreen**, but game events must occur in an area with **16:9** aspect 
    ratio.
    For example, with `3440x1440`, the actual game screen area is `2560x1440` which has exactly 16:9 ratio

=> should
    work, but similarly to windowed mode, could face some accuracy issues
    - other non-16:9 resolutions are technically possible, but require a lot of setup

- Support for creating custom plan files. Plans include all the commands bot performs on each round until a map is finished.

- Note that commands are Python code so plan files are stored in **.py** format. In particular, monkeys and heroes 
    are custom class objects because this makes implementing new features for them much easier. It also simplifies 
    writing more complex plans. Commands are not very hard to write, but using them effortlessly can take time.
    - A plan template is provided which can then be copied and modified. Furthermore, the *command_tracker* tool is 
    specifically designed for setting up new plans although it's somewhat convoluted. An alternative is to use simpler 
    *show_coordinates* tool and write commands manually.

See [Creating a new plan](#creating-a-new-plan) section for more info.

- Extensive bot tools with built-in gui support, which can also operate independently; there's gui-free command line 
version of bot. Uses optical character reading (ocr) and kb+mouse to update bot state.  
While bot code is thoroughly documented, [Updating the bot](#updating-the-bot) provides baseline for adding new
content should this project no longer receive updates.

# Installation

First you need to install [Python](https://www.python.org/downloads/)  
Supported versions: **3.12**, **3.13**, **3.14**
- *Windows*: download the installer and follow instructions
- *Linux*: easier to download via command terminal with `sudo apt install python3` or similar

To install bot you have two options:

1. automatic installation using a script file. Running the script will 
    - download a zip file of main branch files of this project. Zip file is placed into same directory 
  where you ran the script,
    - extract bot project directory from the zip. This is again placed into same location where you ran the script.
   Then delete this zip file,
    - setup script executables to run bot + include dev tools scripts
    - setup a Python [venv](https://docs.python.org/3/library/ven) virtual environment for bot project
    - install external packages from requirements.txt to this virtual environment

After installation you go to bot install directory and run `run.bat`/`run.sh` file to start bot.

See [Use batch/shell script file](#use-batchshell-script-file) for details

2. manual installation by downloading source files and installing dependencies yourself. **Still very easy to do** and you 
might prefer this in case you
    - want to customize your installation, 
    - failed to install bot with auto-install script, or
    - don't trust/want to use install script files

See [Manual install](#manual-install) for details

## Option 1: Use batch/shell script file

> *Windows user* -> you might need to do [this](_install/INSTALL.md#windows) before running the script if you have not used Python virtual environments before

> *Linux user* -> you should check [this](_install/INSTALL.md#linux) to avoid issues during and after installation process

1. Navigate to [Releases](https://github.com/j-miet/BTD6bot/releases) page
2. Select newest available version
3. Download one of the two script files depending on your operating system
 - `install.bat` for Windows users
 - `install.sh` for others

You **shouldn't** download the auto-generated `Source code.zip` (or .tar.gz) file. This is for manual installation
    only.

4. *Replace `.bat` with `.sh` and everything here works the same:*  
When you run the install script, it will download the current github main branch as a zip file and automatically unzip
 the contents under a directory `BTD6bot-main` in script location. So for example
    - You move install script into custom location "c:/your/path/install.bat"
    - You run `install.bat` -> bot files are generated under "c:/your/path/BTD6bot-main"

After this, it will copy bot scripts for from "c:/your/path/BTD6bot-main/_install" and move them to other
     directories. These include

- `run.bat` and `run-nogui.bat` into "c:/your/path/BTD6bot-main" so you can run the bot in default gui mode or 
    in non-gui mode.
    - tools scripts: `command_tracker.bat`, `image_scaler.bat`, `move_mouse.bat` and `show_coordinates.bat` 
    into `c:/your/path/BTD6bot-main/tools/{script_name}`. Unless you want to create your own plan files or add own 
    features to bot, you don't need to interact with these at all.

Finally it will create a virtual environment under c:/your/path/BTD6bot-main/.venv and install external Python 
    packages listed in requirements.txt to this environment. This way Python packages required for bot are 
    isolated and won't cause issues if you happen to use other Python programs.

[**Notes**] 
- You can move and rename `BTD6bot-main` directory freely, just don't rename any files inside it 
unless you know what you're doing.
- for more details about what the scripts actually do, check [this](_install/INSTALL#detailed-explanation-of-scripts)

## Option 2: Manual install

> *Linux user* -> even if you're not using batch file install, check [*the Linux section*](_install/INSTALL.md#linux) of installation document. It explains important concepts to ensure bot operates as expected.

Download *BTD6bot* files. Main branch is selected by default and it's the recommended way to run bot:
- `main` is the release branch. It has the most stable version of bot with minimal amount of bugs.
- `dev` is the development branch. All upcoming features are added and tested here before they get merged into main.
Expect this version to be less stable and include numerous bugs. 
$~$

For manual install, you have two options

[**Method 1**] go to [Releases](https://github.com/j-miet/BTD6bot/releases), click the latest version and download the 
`Source code.zip`. Unzip the directory to your desired location

[**Method 2**]
Click the green [<> Code] button at the top of github page.

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/github_codebutton.png)

Then either

- clone this repo to your local machine (can also do this from command terminal), or
- click "Download ZIP" and extract the contents

---
---

After following either method 1 or 2, you should have project files ready.

Next: external dependencies. Install the following third party packages:

matplotlib==3.10.8; python_version >= "3.14"
 matplotlib==3.10.1; python_version <= "3.13"
 numpy==2.4.2; python_version >= "3.14"
 numpy==2.2.3; python_version == "3.13"
 numpy==1.26.4; python_version <= "3.12"
 pillow==12.1.1; python_version >= "3.14"
 pillow==11.1.0; python_version <= "3.13"
 easyocr==1.7.2
 markdown==3.8
 pyautogui==0.9.54
 pynput==1.7.8
 pyperclip==1.9.0
 pywin32==311; sys_platform == "win32"
 mss==10.1.0
 tkinterweb==4.3.1
 tkinterweb-tkhtml==1.0

To install dependencies easily: open command terminal, change your current directory to `<your path>/btd6bot` 
where you installed BTD6bot, then type

`pip install -r requirements.txt`

This might take a while so just wait patiently. When the process is done, you can move onto *First-time setup*.

[**Note 1**]
*easyocr* library defaults to cpu for text detection/reading. **Cpu works just fine**, but if you'd prefer it to use 
gpu instead, check out [PyTorch local install guide](https://pytorch.org/get-started/locally/) and select appropriate 
CUDA version.

[**Note 2**] Exact versions of packages as listed above might not be required, but are always recommended. For *pynput* 
and *tkinterweb-tkhtml* however they are mandatory:
 - pynput 1.7.8 throws a critical error if any gui hotkey is used
 - tkinterweb-tkhtml 2.0 raises ImportError if tkinterweb library is imported

To run `BTD6bot`, try one of the following:

- If you used install script, open your BTD6bot folder then run the `run.bat` or `run.sh` file
- Otherwise open command terminal, set current directory to `<your path>/btd6bot` then type `py btd6bot` 
 - if you'd like to run non-gui version instead, use `py btd6bot -nogui`

If you managed to run BTD6bot then a window similar to above should have opened.
There's plenty of stuff in here, but for now focus is on getting the bot to work properly in your system. 
Following steps must be done in order to make bot work properly for each user:

1. Update bot hotkeys
    2. Settings: update resolution and enable ocr auto-adjust
    3. Run the ocr adjusting process

**Below is a quick tutorial of first-time setup. After it begins the full tutorial, which is detailed and quite long.**

[**Quick vs Full tutorial**] 
**If quick summary seems difficult to understand, or you think you got something wrong, just switch into full tutorial: 
It's highly recommended you read through full tutorial at least once.**

**Getting the bot to run properly is the hard part (which is not that hard).  
You're free to experiment with all the gui settings afterwards, and if needed, can repeat first-time setup steps
should something break irrevocably.**

## Quick tutorial

*1920x1080 monitor is used below; your values may look different*  
*1600x900 is used as custom resolution example*

1. Set hotkeys in **Set hotkeys** window; gui hotkeys are not mandatory, but very much recommended. After you're
done, close hotkeys window.
2. Open **Settings** window and set resolution.

**Select a resolution with aspect ratio of 16:9 AND prefer fullscreen**.

- If you use fullscreen, **don't** enable custom resolution, or use windowed mode. Just 
    leave it untoggled.

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/disable_custom.png)

- If you use custom resolution, set width & height values, then update values.
        - Toggle windowed mode on if you wish to use it. **It's recommended to always use fullscreen**, but windowed 
        should also work - just requires a bit more setup.

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/custom_windowed.png)

For windowed mode you should head to [GUI settings](#settings) page as it's a little more complicated to explain
        here.

- **Aspect ratio greater than 16:9** might be compatible, if you use **fullscreen in-game**, but set bot to use 
    **custom resolution and windowed mode** in order to limit the area the bot sees; check 
    [Ultrawide resolutions](#using-windowed-mode-for-resolutions-with-varying-aspect-ratios) for more info.

3. Enable ocr auto-adjusting, make sure it has correct res and win values:  
- Res is your current resolution, win stands
for fullscreen (`win=0`) or windowed (`win=1`).  
- Your `winpos` argument tells game window position if win=1; if
you use fullscreen its value doesn't matter.  
- Shift value `shift` is most likely also useless unless you intent to try
running bot with non-16:9 resolutions.
- Finally, `monkeys=all` and `delta=4` values should be automatically set. 
Easiest way to do setup all of this is to just press `Reset args` then `Set args` button to save args.

Your argument prompt should look similar to this:

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/auto_adjust.png)

***Why adjusting is needed**: monkey upgrading process is based on reading upgrade path names from screen and 
    matching these to static values. Different resolutions change the reading accuracy so bot will automatically adjust
    each upgrade path individually to minimize matching errors.*

***Know that any time you change resolution or windowed mode, it's recommended to re-enable auto-adjust setting
 and run this process again!***. 
 &nbsp;

Now close the settings window. In main window, press **Initialize bot**, wait a bit for initialization 
    (this might also happen pretty much instantly unless you're using an older cpu), then press **Open bot window** 
    to open monitoring window.
    
    Have your Btd6 game opened on main
    monitor (or if windowed mode then possibly on any secondary monitor), placed in main/home menu screen with `Play` 
    button visible. Now run the bot and let it finish auto-adjusting.
    This process can take a while.  
    After adjusting process is finished, bot should be able to detect in-game upgrade texts properly based on your
    current resolution settings.

Finally, test if bot works by running a simple plan: 
 
 Close current monitoring window instance, then select either
 `dark_castleEasyStandard` or `monkey_meadowEasyStandard`.

Then press `Open bot window` again to open fresh monitoring window and press `Run`. Don't use keyboard or
    mouse while bot is running.  
    If bot can finish a plan and returns to main menu with "*Plan completed*" message, everything should be ok!

---
## Full tutorial

### Update bot hotkeys

Open a game instance of Bloons TD 6.
Click the gear symbol and open hotkeys menu.

Now update your game hotkeys for bot. Press "Set hotkeys" button in gui. Following window opens:

Under "Hotkeys" label, there are two windows: top one is for game hotkeys, bottom for gui hotkeys. Game hotkeys
you simply copy from btd6, gui hotkeys you select freely.

You should quickly read the "Instructions" but here's the important parts:

- Not stated, but should be obvious: Do not use same hotkey for two different actions
- You can scroll hotkey panel down to find more hotkeys
- supported keys:
 - letters a-z, digits 0-9, other symbols like +, -, *, § etc.
 - numpad keys 0-9; these show up as <96> to <105>
 - modifier keys; these are displayed as Key.keyname e.g. Key.ctrl
- Some keys like § might get displayed weirdly but should still work
- Custom gui hotkeys:
 - "pause" queues up a pause flag. When bot hits it, it will press esc to pause game and also pauses bot. To
 unpause, press this button again. 
 - Do not close the esc menu manually or bot and game will likely get desynced! 
 - Pausing only works in maps and does nothing when bot navigates menu screens
 - "start-stop" starts/stops the current bot loop. Stop will also reset the loop which means you need to
 start bot from main menu again.
 - "exit" stops BTD6bot entirely: it forcefully terminates current bot loop and closes all existing gui windows. Set
 this on a keybind that you don't press accidentally.

**To update a hotkey**

- click on any line so it becomes highlighted
- press "Set hotkey" button at the bottom
- "Set hotkey" button is now greyed out: press any supported keyboard key to update value
- you should now see the right side of `=` get updated

After you've updated all the keys, close the hotkey window.

### Settings: update resolution and enable ocr auto-adjust

Next, open settings window by pressing "Settings" button.

For now, only 3 settings are needed:

- resolution (native or custom resolution)
 - windowed mode
 - auto-adjust ocr upgrade data the next time a plan is run

First the important part: **the base layout of Bloons is made for resolutions with aspect ratio of 16:9 or very close 
to it**.
For this reason, bot is also programmed around this requirement.  
Resolutions clearly differing from this are unlikely 
to work. The reason is that game will extend existing borders or even change the general ui layout 
(like text locations) for some aspect ratios.
  
Now, despite this, **it might be possible to run different resolutions, for example ultrawide resolutions, as long as
they don't change the relative positions of ui**.   
For such cases, you will probably need to do some tricks with
windowed mode enabled, even if you plan to play in fullscreen. 
Check [Ultrawide resolutions](#ultrawide-resolutions) for more detailed explanation.

Assuming you've decided which resolution to use, you have two choices:

- *fullscreen with native screen resolution*: if you toggle the "Enable custom resolution"
option off, you should see your current resolution next to "Current resolution" text.

For example, if your monitor is `1920x1080`, you see following

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/disable_custom.png)

- *custom resolution*: type width and height in their respective entry boxes, then click the "Update resolution"
button.  
Custom value is stored in a file and will be loaded back if you disable and re-enable this setting.

Example: if you have `1920x1080` as native res and set a custom res `1600x900`, then toggling setting on and off
    would display following resolutions:

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/difference.png)

With custom resolutions, you can enable *windowed mode*.
    
    ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/windowed.png)
    
    Setting up windowed mode requires a bit more explanation so go check [GUI settings](#settings) section.

Using windowed mode can decrease the text quality for ocr, though. If you use significantly smaller resolution with
    windowed mode, bot could have issues with verifying text inputs.  
    If windowed causes issues, just use fullscreen instead.

Lastly, enable the "Auto-adjust ocr upgrade data the next time a plan is run" option. 
For 1920x1080 with fullscreen enabled, it looks like this:

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/auto_adjust.png)

It should include following parts, each separated by space:

- `res="width"x"height"`; where "width", "height" are based on your own resolution,
 - `win=0` for fullscreen, `win=1` for windowed,
 - `winpos=VAL` where VAL can be `centered`, `auto` (Windows OS only) or `X x Y` where X, Y are game window 
 top-left coordinates. If you use fullscreen (win=1), this value doesn't matter,
 - `shift=0x0` or some other custom value if you attempt to use a non-16:9 resolution,
 - `monkeys=all`,
 - `delta=4`
 
You can press "Reset args" button once, if res and win values are not immediately updated.

Then just press "Set args" and you're done! You may now close the settings window.

### Run the ocr adjusting process

For last part, you need to enter the monitoring window. Click the "Initialize bot" button, located at bottom
right of main window:

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/main/init_button.png)

Following load message appears (or might just quickly flash if your computer is fast enough)

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/main/load_msg.png)

Program needs to load the ocr model into your temporary memory (RAM) each time you initialize bot and is therefore only
required once per runtime loop. If you close the entire program and reopen it, the model must be loaded again.  
**First time only:** the up-to-date versions of both text detection and recognition models are
downloaded automatically by easyocr. This process is only for first-time setups and will not be required again.

After the message disappears, model has been loaded and initialize button should now display "Open bot window"
instead.

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/main/openbotwin_button.png)

Click the button to open monitoring window.

Monitoring window handles the running of bot and importantly, includes the big text window. All text prints get 
redirected into this window during bot runtime so you can have it on another monitor/same one monitor if on windowed 
mode in case you'd like to follow what bot is doing.

Before we begin the adjusting, it would be a good time to explain why it's needed in first place. I would 
recommend to read it through once, but if you don't care, skip the following wall of text.

---

[**How does the upgrading system work**]

Most ocr strings the bot will see are static i.e. have always same text value, and are quite easy to detect. They are
used updating bot state and allowing it to make decision/execute commands. For certain commands, however, more 
complicated system are required to verify the input.

The most complicated of these is the monkey upgrade system. In order to make upgrading to work properly, bot needs to
wait until upgrading becomes possible. The easy way to program this would be just say "when command is run, upgrade
monkey, don't check if it was successful". But then user would need to time the upgrading exactly and this becomes
obviously annoying over time.

So better but more complicated way to implement this is to allow user to queue upgrade checks. Bot will just wait until
the upgrade flag is hit, then upgrade. But even then, there's a chance bot makes a mistake and upgrades too early or
might not upgrade at all. For this reason, upgrading process must

- queue upgrades
 - perform upgrading process when asked to
 - verify the upgrade process was successful

If it fails, it can either throw an error or keep trying again. The latter is how this bot works:

- takes upgrade command
 - attempts to upgrade bot simply by pressing the right upgrade path hotkey
 - reads the current upgrade name, matches it with actual upgrade name, then   
   compares the difference of these strings and outputs a delta parameter.

- if delta is over the threshold, upgrade was successful
    - if delta was below the threshold, run the cycle again until above is true

This system is effective, but faces one problem: it uses same delta for ALL UPGRADES! Some upgrades might match easily,
others being more difficult. And not only this, if two consecutive upgrade 
paths are similarly named, like "sharp shots" and "razor sharp shots", they could be confused as same. A single delta 
value cannot universally work with all previous cases. To solve this problem, current system uses individual deltas 
for each monkey and its upgrade paths.

Process is now as follows: upgrade checks monkey name and desired upgrade path, say dart 5-x-x. It then gets the actual
string value for this path, `"ultra juggernaut"` and corresponding delta, lets say 0.85. If the upgrade input text is
`"ulta jugernaut"`, bot checks the following

- actual string has 16 letters (spaces includes)
 - input string has 14/16 similar letters in similar order (*)

(*) Matching system uses Python's built-in library, I don't know its exact implementation. But it does something
 similar to this.
 - 14/16 = 0.875 > 0.85, upgrade passes
 - however, exact delta value is avoided because some reading error could 
 change output a tiny bit and then value could become 0.84 < 0.85 = no match
 - to give room for some error, a delta value is subtracted to lower this 
 exact value. From testing, subtracting 0.04 from all deltas keeps good 
 accuracy for the most part. In settings, this value is written as delta=4: it lowers all 
 deltas by 4 units, where unit is 0.01. Valid deltas are 0-9 (which translate 
 to values 0-0.09)

Above process is then repeated for all monkeys and all upgrade paths. In very loose terms, this 'trains' the bot to
detect valid upgrade thresholds. Then, when you run any plan file, it should have rarely issues with upgrading and mixing
inputs, thus working as intended.

Another thing you might be thinking of: Why not just use the cash value instead of upgrade names? Bot could just read
cash value, wait until cash is there, then upgrade a monkey. Well, this would actually be just fine to do, but for this
project:

- cash values proved to be often inaccurate, especially on maps where 
background had other elements like snow. With upgrade texts, background is 
always the same.
- upgrade costs would need to be updated in a separate file after each update. 
This is not really a big deal, but adds one extra layer of active maintenance.
- Upgrading would need to performs additional checks for discounted prices e.g. monkey in range of `0-0-1+` village.
This issue can be completely ignored now.

-- End of explanation --
---

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/monitoring/monitoring_adjustbegin.png) |
|:--:|
| *After "Run" button is pressed and menu play button is detected, bot sets a countdown from 5 to 0, then begins the auto-adjusting process*|

Now to complete the final step you need to have your BTD6 game instance opened, placed at the main menu screen. Then, 
press the "Run" button or use "start-stop" hotkey you set previously.

Text window gets updated: the text "Ocr adjust mode enabled" pops up and signals that bot will perform the
adjusting process. Bot is now active and is searching for the menu "Play" button text. After it finds it, ocr
adjusting may begin.

**During adjusting, do not use keyboard or mouse! Just wait until it's done.** Bot should be able to return to menu
on its own, but if there's an error and it gets stuck for more than 30 seconds with visibly doing nothing, do the 
following:
- close current monitoring window and reopen it: window should still say current plan is *spa pits, easy* with 
**Sandbox mode** enabled
- place your Btd6 game screen back to main menu screen, then retry the adjusting by pressing "Run" button

What is delta adjusting:

1. bot automatically navigates to "Spa pits" map and enters it in sandbox mode
 2. goes over all the upgrades of listed monkeys, read their upgrade texts, check how closely they match to actual
    texts and save the obtained delta value for that upgrade string. Because monkeys=all, it checks all monkeys.
      - *in the image above it says "beast" which checks only beast handlers, but you want to check all monkeys*
 3. after it checks all listed monkeys once, it will check them again! This time it places them on opposite side of map.
    Why? In case you've never noticed, depending on which side of middle section you place a monkey 
    (left or right), the monkey panel opens on the opposite side of screen. Different sides can, based on testing, 
    produce slightly different inputs so bot will analyze both sides and save all the deltas.
 4. After both sides are checked, bot compares deltas of left and right side, selects the smaller value and save it as
    final delta for each upgrade string.
 5. Finally, all delta values are adjusted with equal amount. Default value is delta=4: this adjust
    them by 4 units. An unit is 0.01 so with 4, bot subtracts 0.04 from all values. This process is done to allow room
    for error. If delta=0, exact values are used, but then even a slightest error would break the ocr process, and
    eventually, the bot.
 6. Process is now done and your *upgrades_current.json* file inside *btd6bot/Files* folder has been updated. Bot will 
    also automatically disable the auto-adjust option from setting so if you need to do this process again in the 
    future, just open setting and enable it again with appropriate arguments.

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/monitoring/monitoring_adjustend.png) |
|:--:|
| *Adjusting process complete. Current monitoring window must be closed in order to continue.*|

And if everything worked, you should now have updated all delta values for your current resolution settings. This means
your bot is ready to be tested with an actual plan.

To run your first plan, it's recommended to pick something simple. Close the monitoring window and select either
`monkey meadow, easy-standard` or `dark castle, easy-standard` in main window:

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/main/monkeymeadow.png)

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/main/darkcastle.png)

Make sure you have the required hero, all monkeys and their upgrade paths unlocked. For upgrade paths:

- they follow the normal order of top-mid-bot e.g. `sniper 2-0-4` uses 2. top path and 4. bottom path upgrades
- they state **highest crosspaths required**. Therefore you sometimes see paths such as `2-5-5 sniper` listed which
simply means plan requires 2. top, 5. middle and 5. bottom paths. For example, such plan could use both `2-0-5` and
`0-5-2` snipers, and maybe even include a few `0-3-2`'s.

Remember to scroll the info panel down to see all requirements!

Now reopen the monitoring window, have Btd6 menu screen opened, press run and just wait for bot to do its thing.
If bot is able to finish a plan and returns to main menu automatically, everything should be working!

----- Full tutorial ends here -----
---

# Resolutions with other than 16:9 aspect ratio

**The advice explained here has not been tested completely. It should theoretically work, but I have only ran bot on a 
monitor with 1920x1080 native resolution.**

## Ultrawide resolutions

As stated under "Enable custom resolution", resolutions should have aspect ratio of 16:9. But it is possible
to leave in-game resolution to your **native fullscreen resolution**, but still use
**custom resolution + windowed mode** to reduce the visible screen area.

When you run `Btd6bot` with windowed mode, it uses the logic described in following image

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/ultrawide.png)

Because windowed mode normally leaves empty space around, you could limit the readable area to the middle of screen.
A good example would be `3440x1440` resolution: it adds extra borders during maps which is 440 pixels each side. This
means the actual screen area is 3440-440*2=2560 times 1440 which has a nice aspect ratio of 16:9!  
In fact, this should also work for menu screens because play and hero select button are in correct position relative
to everything else. Only actually problematic case would be the map search button which falls outside the middle
area, but there's a built-in checking system which should be able to locate this button specifically for ultrawide
resolutions.   
_Example:_ So if you have a `3440x1440` monitor and wish to play on this resolution, go to gui settings:

- enable custom resolution and set it as `2560x1440`

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/3440x1440_settings.png)

- enable windowed mode and keep top-left value as "centered"

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/windowed.png)

If value is not centered, simply type "centered" in one of the width/height fields and update

- And of course remember to readjust ocr deltas for new resolution as always!

Here's a visual explanation on the situation (in main menu screen, but this applies to in-game ui as well):

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/3440x1440example.png)

In general, check the following:

- run BTD6 and open any map on your desired resolution
- find out the pixel resolution of actual game screen without the borders.
- now check if the resulting resolution has close to identical aspect ratio 16:9. In above example, it was 2560/1440 = 
16/9 which is exactly right.
- (*optional*) if required, you could repeat this for y-resolution as well. But the problem should be extra width, not 
height, so this probably not needed.
One quite forced, but still an example, would be 1280x800 - if you use this in-game, you notice how it adds a wider bar 
at top and bottom of
the screen.
- Then **auto-adjust ocr values** like usual and you should be good to go.

## Any aspect ratio

**(Images are not included, but might get added later)**

If you don't use 16:9 aspect ratio resolution or can't get the above ultrawide setup to work, final option is to adjust
coordinates for selected resolution. This will require *a lot more work* because you need to
1. shift coordinates accordingly so bot's coordinate range fits inside border textures and any towers get placed in 
correct positions,
2. change locations of clickable buttons and ocr text box locations so that bot can properly execute all its commands
and validity checks.

**Full explanation:**  
Game adds horizontal or vertical borders depending of current aspect ratio and extends them based on resolution. 
As shifting feature of bot is based on 16:9 aspect ratio, such as 1920x1080 resolution, 0 height means no vertical 
border and 0 width means some horizontal border width which gets added on each side of screen

- as 16:9 resolution have no borders at the top/bottom of screen, it already has the minimal border height of 0. Thus, 
height can only get values >= 0 because other resolution can only possibly add more border.

- 16:9 however includes a small border on both left and right side. It's length? Depends on user's monitor base 
resolution and current game resolution so it cannot be determined automatically. Thus width can get both negative
and positive values because on certain aspect ratios, border is smaller/is removed altogether OR is wider than base 
border. To measure border pixel width/height, use `btd6bot/tools/show_coordinates` tool or something similar.

Unfortunately shifting can only adjust non-static coordinates (monkey/hero locations, ability targets etc.). Static 
locations like text and buttons do change between aspect ratios and therefore must be updated manually by 
editing the `btd6bot/Files/custom_locations.json` file.

For 1. 
- use `btd6bot/tools/show_coordinates` tool and measure the width or height of borders in pixels
- use the *Enable in-game resolution shift* setting and set a custom value. With height (top+bottom borders) you simply
add the height if necessary. With width, you have to just test this value because 16:9 resolution has a base 
border length so thinner/wider border must take this into account.

For 2.
- open `btd6bot/Files/custom_locations.json`. You can also open `btd6bot/bot/locations.py` to check the info docs 
and see what each value represents. Only in-game locations should require changes: these are the following dictionaries
    - `"CLICK"` -> `"ingame"`, `"hero_left_menu"` and `"hero_right_menu"`
    - `"TEXT"` -> `"ingame"`
- again, use the `show_coordinates` tool. Save coordinates and change corresponding 2-tuple or 4-tuple values.

Now whenever you have the in-game resolution shift enabled, bot uses `custom_locations.json` coordinates instead. To
use default `locations.py` values, simply disable shifting.

# GUI windows
This section goes over all the gui windows and explains each of them in detail.

- Each window has fixed size and cannot be adjusted (dynamic window scaling might be implemented at some point, but no
promises)
- Gui interacts with `Files` folder. Don't change data values of these files manually unless you know what you're
doing
    - only exception is `Files/map images` in case you'd like to replace ascii texts with map images. Check sections 
    for [Main](#main) or [Queue](#queue) for more info.
- Images are screenshots from Windows environment. Different operating systems will always change the look, but general
layout should remain the same.

## Main

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/main/main_modified.png) |
|:--:|
| *Main window, with ocr already initialized. Currently selected plan is bloody_puddlesHardChimps, with collection event and replay modes enabled.*|

- Responsible for running the program main loop: if closed, entire program closes.
- Includes buttons for other windows (Help, Settings, Hotkeys, Queue, Monitoring)
- Includes drop-down lists of all maps and their respective available strategies. Displays info text for current plan
i.e. selected map + strategy combination. Info is stored in each plan file and can be freely customized.
 - both drop-down lists support quick search: when opened simply press any character and if map/strat begins with
 that character, it gets selected. Repeating same character keeps looping over all matching entries.
- Has toggle buttons for
 - collection event mode: this will check if pop-up window appears after a plan is finished and collects the rewards
 - farm mode: can only be toggled on with collection event mode. Bot will farm expert maps on Easy, Standard 
 and always selects the current map with bonus rewards. This loop continues until user stops it manually (or if some
 fatal error happens which bot is unable to handle). Farming does not require any monkey knowledge and only hero used
 is Sauda.
 - queue mode: loads all listed plans from queue mode maplist and plays them one after another
 - replay mode: replays current plan or queue of plans until bot is manually stopped. If used with queue of plans,
 plays all plans once, then start over again from first one.
 >All of these modes work with one another so you can have all disabled/enabled, or mix them. 
- "Show plot" button opens a new process window which displays saved time and round data for currently selected plan. 
Data is updated after each successful completion and also includes date of completion in YYYY/MM/DD format.

- **(Optional)** You can add map images to replace the ascii art.

To do this, have map images saved in "Files/map images" folder and make sure they follow correct format: 
    
    1. only letters and spaces allowed

2. only lowercase letters, special characters are allowed (like `#` in `#ouch`, `'` in `adora's temple`)

3. image resolution is 320x195

- you can use tools/image_scaler for this

4. file format is `png`
    
    For example, if you wanted monkey meadow, x factor and #ouch map images, files should be named

- `monkey meadow.png`

- `x factor.png`
    
    - `#ouch.png`

Map images can be downloaded from https://www.bloonswiki.com/List_of_maps_in_BTD6

## Help

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/help/help.png) |
|:--:|
| *Help window, expanded to fullscreen. It displays the same README contents, however none of the links are in working condition*|

- Help window displays the document you're currenly reading (either in web browser or inside gui help window). 
It's meant for offline mode in case you don't have access to web
version. However, it should have exact same contents as web version so you can use it as replacement, too.

- It has dark mode always enabled.

- Comes with one major issue: **none of the links work**. Reference links simply point nowhere in document, web links
display some random mess so don't try to use them either.

Also something worth to mention: the offline readme is actually an html document translated from the README markdown
file. Annoyingly, the Python library used for this conversion requires absolutely file paths in order to display all
images. This means that resulting README.html file has to save **full file paths of your BTD6bot install folder**.

- To avoid storing paths in this file for extended periods, each time a Help window is closed or program is rebooted,
BTD6bot will automatically delete this README.html file.
- Of course, a new one needs to be also generated each time you open a new Help window. But again, after closing Help
or reopening the Main window, this file gets deleted again!

## Queue

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/queue/queue.png) |
|:--:|
| *Queue window with infernal_EasyStandard and flooded_valleyHardChimps plans placed in queue. When a plan is selected, its info text gets displayed.*|

- Shows all existing plans and currently selected plan queue. When a plan is selected, its info panel is also displayed.
    - if a plan is added to current queue, it no longer appears on All plans list until it gets removed. This makes it 
    easier to see which plans are already added.
Info texts are exactly the same you see on main window page.
- You can use the "Add" and "Remove" buttons to add new/remove existing plan in queue.
    - There's also "Remove all" button which removes all queued plans
- Currently selected plans can be moved up/down in order by pressing arrows right of current queue panel.

- Has a search box for all available plans. This makes it easier to find specific plans by using keywords such as map 
name, difficulty or game mode.
    - searching has 3 separate ways to match plans:
    1. exact match: plan name as its written e.g. _monkey_meadowEasyStandard_. Not case sensitive so 
    _monkey_meadoweasystandard_ also works
    2. map name with spaces: same as above, but underscores in map names are spaces e.g. _monkey meadowEasyStandard_
    3. plan name words separated: non-case sensitive, underscores become spaces and difficulty & game mode are also 
    separated with spaces e.g. _monkey meadow easy standard_
    
        Search will always keep matching until it finds a string or plan name is searched entirely. This means you also
        just write "easy", "easy standard", "mediumChimps", "Hardstandard" etc. and it will find all easy difficulty 
        plans, easy standard plans, medium chimps plans and so forth. But searching "standard easy" cannot match because
        it would need to find word "standard" before "easy".

- a special search syntax `*v{OPERATOR}{VERSION} {TEXT}` can be used for searching plans with specific game 
 versions. This is mostly for testing/updating purposes as it makes easier to search older plans that should be 
 tested and possibly updated for current version. 
 - Operator gets value `<`, `>` or `=` to include plans with version less than, greater than or equal to
 VERSION value.
 - VERSION is game version integer value
 - TEXT is any search text and follows same matching ruleset as described above. Notice the space between VERSION
 and TEXT: if no space, no matching is done but if space is included, TEXT is automatically treated as empty
 string which display all plans fitting the given version restriction.

Examples: 
 - `*v<52 ` (has empty space after version) -> displays all plans with version less than 52 (so 51 and below)
 - `*v>50 dark` -> all plans with version greater than 50 and starting with "dark". So for example it could 
 find all plans of dark castle, dark dungeons etc. with versions 51 and onward
 - `*v=51 easy primary` -> finds all easy difficulty on primary mode with version 51
 - if plan has no version data saved yet, it can be searched with `*v=-`.

- When queue mode is toggled on in main window, bot will use this plan queue instead of currently selected plan in main 
window.

- Hotkeys
 - `Shift + a` -> Add selected plan to current queue
 - `Shift + r` -> Remove selected plan from current queue
 - `Shift + u` -> Move selected plan in queue up
 - `Shift + d` -> Move selected plan in queue down
 - character key -> if any plan in current queue list or available plans list if selected, search next plan 
 starting with this letter in that list
 - generally Shift + CHAR combo is reserved for other hotkeys, but some special symbols "#" such as (Shift+3) 
 also allowed

## Hotkeys

- Used for updating bot hotkeys.
- Includes instructions window. Not very long so you should read through it once.
- Hotkey panel is divided into two parts: 
  - upper part is for in-game hotkeys, which must match with Btd6 in-game hotkeys
  - lower part is for gui hotkeys. These work either always (exit) or when a monitoring window exist (pause, start-stop)
- To update a key:

1. simply press any line on hotkeys panel,
    2. press "Set hotkey" button, then press any supported keyboard key
    3. value for that line should now display the updated value on the right of `=` sign.

>Note that some symbols might show up weirdly, but the hotkey should still work.

- hotkeys are reloaded each time you open a new monitoring window. So remember to close current one if you updated 
any of them.

## Settings

- Includes basic and advanced settings. Advanced settings are mostly for internal testing, except the auto-adjust 
option, which was already introduced when setting up the bot first time.

Explanations 
**(Basic)**

- **Enable custom resolution**: 
    Change resolution the bot uses to determine relative mouse clicking/ocr text locations. Must match with used in-game
    resolution which should have `16:9` aspect ratio.
- **Windowed mode**: 
    Whether Btd6 is run in windowed mode.
    
    You can run Btd6 normally or with `-popupwindow` launch option.
    - normally game window includes the application top bar which says 'BloonsTD6'. Because bot is inertly build for 
    fullscreen resolutions, it's assumed this bar doesn't exists. 
    
        To use windowed mode properly, you have to pinpoint the actual game window top-left coordinate:

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/windowed_topbar.png)

See the **Set window top left coordinate** part below for more info.
 
 - alternatively, Btd6 can be started with `-popupwindow` launch option. This makes game window
 unmovable from its initial centered position (but doesn't mean position cannot be changed), but does remove the 
 application bar
 
 To setup -popupwindow: if you use Steam version: library -> bloons td 6 -> right-click -> properties, then set 
 the following value

![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/settings/launchoption.png)

You can also add optional `-screen-width X` and `-screen-height Y` args here to force custom resolution, e.g. 
        `-popupwindow -screen-width 1920 -screen-height 1080`.

To do this without game launcher: make a desktop shortcut of BloonsTD6.exe, right-click Properties and 
        add -popupwindow (and any other args) at the end of target path e.g. 
        `"...\BloonsTD6\BloonsTD6.exe" -popupwindow`.

To move window outside the centered position, you have to:
        1. open Bloons TD 6 **without** -popupwindow enabled
        2. then set desired windowed resolution
        3. move game window to desired position
        4. close game and enable -popupwindow

Any resizing will reset window position back to center (e.g. Windows -> Alt + Enter)
    
    **[Note]**
    Windowed mode can face issues with ocr accuracy. If resolution is considerably smaller compared to base one,
     text reading errors become more common.  
    Therefore **it's always recommended you use fullscreen or run windowed on high resolutions only** if you start 
    having frequent detection errors.

_For ultrawide resolutions:_ a special case of windowed mode is to enable support for ultrawide resolutions; 
    [check this](#ultrawide-resolutions) for more info.

#### **Set window top left coordinate**

No matter if you chose to run game with or without -popupwindow, you do need to specify game window location for 
    bot.

There are 3 possible values for adjusting window location (= actual pixel positions) to bot coordinates:
    - `centered` => if user enters value "centered" to either width or height field. 
    
        Bot assumes game window is then
    evenly centered: this can be easily achieved by setting game into fullscreen and back to windowed. On windows
    for example this can be done by pressing Alt+Enter twice.
        - this is default value on non-Windows OS, but also not very useful
    - `auto` *(this is for Windows OS only!)* => if user enters value "auto" OR empty value to either width or height 
    field.
    
        Eenables automatic game window tracking and is the recommended
    way to use windowed mode for Windows users.
        - this is default value on Windows OS; for Mac/Linux there exists no simple way to implement universal 
        auto-detection of window coordinates. On Windows, the wingui32 library makes this easy.
        - enabling this setting will also **automatically update your resolution in real time** so you don't 
        necessarily need to input custom resolution value! 
    - *actual coordinate value* => if user enters valid resolution values to both width and height fields
    
        The top-left pixel position of game window. For this user must manually find the
    top-left coordinate and enter its width and height into their respective fields, then update. Bot can then use
    this top-left location as baseline together with custom resolution and operate as expected. Note that one or 
    both the x & y values can be also negative depending where the game screen is relative to your main monitor e.g.
    if you have two monitors side by side with right being main monitor then any coordinate on left monitor has a
    negative x value.

To find coordinate value easily, you can use the `btd6bot/tools/show_coordinates` script tool.

- remember to always update the top-left position after you move the BTD6 game window!
 
 As always, remember to re-adjust ocr upgrade values if you changed resolution by pressing 
 "Reset args" then "Set args" and run the adjusting process again.

- **Game version**: 
    Current major game patch version. For example, if version is 48, 48.1, 48.2 etc. just use 48. This value is used to 
    update plan info and verify the plan works on current version after bot successfully finishes it.

- **Retries**: 
    How many times the bot will retry current plan before moving on to next one. However, if bot finishes before
    reaching this limit, it behaves as usual: if a single plan, bot finished; if queue mode enabled, moves onto next
    plan. It's recommended to keep these value somewhere around 5 as some expert maps in particular have rng and
    can fail once or twice before getting over the problematic round(s).

**(Advanced)**

- **Enable in-game resolution shift**: Shifts all non-static coordinates relative to middle coordinate by given amount 
of pixels. Width and height can be adjusted individually. Positive values shift towards mid point, negatives away from 
it.

It's main use is to move coordinates out of border textures when user has a non-16:9 aspect ratio resolution. See 
    [this section](#any-aspect-ratio) of advanced resolutions guide.

- **Ocr time limit**: How long will bot attempt to search for various text flags before it gives up and attempts to
return to main menu. Typically, this should never occur so a high value of 300 seconds or more is recommended

- **Ocr frequency**: Pause interval between most ocr operations, in seconds. Naturally every operation has base cost
which depends on cpu/gpu speed on top of which this value is then added. Raising this value will greatly decrease 
cpu/gpu load, but makes ocr slower. For normal use, keep this value around 0.01-0.1. For simple repeating processes 
such as farming xp/monkey money on dark castle easy/deflation, you could set this value to even high as 0.5-1 if you
plan to leave bot running for extended periods of time and want to keep cpu/gpu usage low.

- **Upgrade checks**: Amount of checks upgrade system performs before it presses upgrade any upgrade hotkeys again. This
process then simply presses upgrade button -> performs N checks -> if upgrade successful, continue; otherwise keep going
until counter hits N+1, then press button again and repeat. In most circumstances this setting matters little, but it 
will likely prevent the following "bug":  
Say you want to upgrade a dart monkey from 0-0-0 to 4-0-0 in one go. If game for some
reason stutters even for a tenth of a second, ocr fails to read the upgraded text at the right moment. Then 0-0-0 
becomes 1-0-0 in-game, but internally bot still sees 0-0-0. It then upgrades the monkey again, resulting into 2-0-0 but
still bot sees 0-0-0. This of course keeps continuing until ocr time limit counter gets hit and bot will auto-quit
current plan. Now if counter value N > 1, bot would initially perform upgrade 0-0-0 -> 1-0-0, then check this process
N times before attempting to upgrade again. As it's unlikely such stutter happens multiple times in a row (and if it
happens, increase the value N further), bot now confirms the upgrade on second try and updates the internal state to 
1-0-0 as well.  
Default value is 3. Increasing value a bit shouldn't affect bot performance nor functionality whereas decreasing it is 
not recommended unless you're running bot on older computer.

- **Use gpu in ocr**: Enables CUDA support if both operating system and gpu supports it AND you installed pytorch 
cuda-version during [installation](#installation). This will likely increase the
speed of all ocr functions. However bot can operate just fine with cpu, and MacOS doesn't even support CUDA so this
setting is (or at least should be) disabled by default.  
To enable CUDA support, you must install a cuda-supported version of pytorch library.

- **Enable logging**: Enabled text logging. Each time a new monitoring window is created, a new `Logs.txt` file is 
created in project root folder. All the text bot prints is then simply copied into this file which is useful for 
debugging/testing the bot.

- **Print ocr (delta | substring) text values in monitoring window**: Enables detailed text printing for ocr processes 
which use delta matching | substring matching. For example, monkey placements and upgrades use delta matching whereas 
finding current round number uses substring matching.

- **Auto-adjust ocr upgrade data the next time a plan is run**: This was already introduced under
[first-time setup](#update-resolution-and-enable-ocr-auto-adjust). Updates all upgrade ocr values based on current
resolution settings. As bot uses upgrade labels to determine whether is has successfully upgraded a monkey or has to 
keep on trying, these texts must be as precisely readable as possible. For upgrades, bot has three cases:

1. not mixing and accepting similar strings like "sharp shots" & "razor sharp shots",
     2. not accept too weak a string
     3. accept strings that are good enough.

To ensure these all work in harmony, bot uses three identifiers:

1. monkey name with upgrade path e.g. dart x-2-x
     2. static string it matches to e.g. "very quick shots"
     3. a delta value of how much the output needs to match with static string. 
    So 0.8 means 80% of static string's symbols must be found in ocr output string, in similar order. Now each upgrade
    path has *individual* delta value which should be high enough to ignore false strings, but still 
    accept a string that is close enough, even if some further error is included. For this reason the adjust operation 
    performs check for all upgrades, updates the delta value and then subtracts a external delta value to make room 
    for error. The value is passed as integer 0-9 and means a subtraction of corresponding value 0.01-0.09 from 
    ALL DELTAS.

->one more thing: when bot performs the adjusting process, it will do it twice, first for monkeys placed on the
    left side (which opens upgrade panel on right), then on right (which opens panel on left). Then it will use 
    the lower value of the two and, after this, does the previously mentioned subtraction process. This is important 
    as upgrade panels of different sides can give noticeably different results so lower one is used as baseline.

## Monitoring

| ![](https://raw.githubusercontent.com/j-miet/BTD6bot/main/docs/images/monitoring/monitoring.png) |
|:--:|
| *Monitoring window, with queue mode enabled. Current plan is quadHardChimps, with dark_castleHardChimps coming after.*|

- Loads all settings set in other windows and initializes the bot. User can then run the bot by simply pressing
 "Run" button or the start-stop hotkey (which can be customized under gui hotkeys), and bot starts to search for
Btd6 main menu screen. After menu screen is found, bot then begins it's current loop.

>Most settings (like resolution) and hotkey values, are updated immediately to current monitoring window. But any
    toggleable modes and current plan list, will only get updated after you close and reopen this window.
    If you want to be 100% certain, just close and reopen monitoring
    window each time you have made changes to settings.

- Has a output window where all printed text is redirected during bot runtime. This way, it's easy to follow what
the bot is currently doing. Not all text is displayed because it would clutter the print window. To enable extra text 
for ocr outputs, check Settings window on advanced section and toggle delta/substring text checks on.

- Displays current plan, and if queue mode is on, next plan in queue. Also displays any toggled modes from main window
as On/Off.

- If queue mode is enabled, uses queue discard system: when a plan is finished(*), it is removed from loaded plan queue.
Then, if you stop the bot and run it again, it continues from the plan it left on and does not reset the entire queue
until you close current monitoring window. When all plans are finished, run button displays "Repeat queue" instead.
When you press it, plan queue resets and begins running all plans in same order again.

(*) finished means plan was either *successfully finished* or it *could not be completed within set amount of 
    retries*.

- Also, when plan queue is finished, a success rate percentage is displayed. Furthermore, each plan name, their 
    success status ("success"/"failed") and amount of attempts out of total if status is "success" are also printed.

- Displays round timer for current round; not 100% accurate, but still quite good and very useful for adjusting ability
timings when new plans are created.

- **(Optional)** Just like in main window, you can add map images to replace the ascii art. 
**If you did this step for main window, no need to do it again: same images work here**.

To do this, have map images saved in "Files/map images" folder and make sure they follow correct format: 
    
    1. only letters and spaces allowed

2. only lowercase letters, special characters are allowed (like `#` in `#ouch`, `'` in `adora's temple`)

3. image resolution is 320x195

- you can use tools/image_scaler for this

4. file format is `png`
    
    For example, if you wanted monkey meadow, x factor and #ouch map images, files should be named

- `monkey meadow.png`

- `x factor.png`
    
    - `#ouch.png`

Map images can be downloaded from https://www.bloonswiki.com/List_of_maps_in_BTD6

# Creating a new plan

Plan files are located in `btd6bot/plans`.

For creating and writing plans, it helps a lot if you understand basics of object-oriented programming in
Python. This is not required, but some things can be be harder to understand.

## Create a plan file

First, you need a plan template. One can be found in "plan_template" folder, located in project root folder. Then
simply copy the *map_nameDifficultyMode.py* file into "btd6bot/plans" folder.

**Plan file: naming**

File names follow a specific standard, which was implemented long time ago to handle plan files inside gui, and has 
remained the same ever since:

1. Map name:

- spaces are replaced by underscores `_`. Then `end of the road` becomes `end_of_the_road`
    - special characters are allowed. So `#ouch` and `adora's_temple` are fine.

2. Difficulty:

- only 3 choices here: `Easy`, `Medium` or `Hard`.
    - it's important the difficulty is exactly as stated above: starts with capital letter and rest are lowercase.

3. Game mode

- same as with difficulty: first letter is capitalized, rest lowercase.
    - two modes have special syntax which include underscores: Double HP moabs and Half Cash

(**Optional**) if a plan with same map, difficulty and game mode exists and you wish to make another sharing same 
    settings, simply add number 2-9 at the end. This means you can have up to 9 different plans on same setting.  
    *Example*: cubismHardStandard, cubismHardStandard2, cubismHardStandard3, ..., cubismHardStandard9, *are all valid*.

Examples for each game mode:

monkey_meadowEasyStandard.py
    middle_of_the_roadEasyPrimary.py
    winter_parkEasyDeflation.py

sulfur_springsMediumStandard.py
    adora's_templeMediumMilitary.py
    kartsndartsMediumApopalypse.py
    rakeMediumReverse.py

last_resortHardStandard.py
    sunken_columnsHardMagic.py
    pat's_pondHardDouble_hp.py
    cornfieldHardHalfcash.py
    ravineHardAlternate.py
    workshopHardImpoppable.py
    #ouchHardChimps.py

=>a second #ouch hard chimps plan
    #ouchHardChimps2.py

**Plan files: info panel and round block structure**

Now, open your plan file. It looks like this:

```python 
"""
[Hero] -
[Monkey Knowledge] -
-------------------------------------------------------------
===Monkeys & upgrades required===
_______________________________________
"""

'''
from ._plan_imports import *

def play(data):
 BEGIN, END = menu_start.load(*data)
 round = BEGIN - 1
 map_start = time()
 while round < END + 1:
 round = Rounds.round_check(round, map_start, data[2])
 if round == BEGIN:
 ...
'''
```

First remove the two comment lines starting with ''' symbols (not the """) so bot is able to execute plan code:

```python
"""  
[Hero]  
[Monkey Knowledge] -
-------------------------------------------------------------
===Monkeys & upgrades required===
_______________________________________
"""

from._plan_imports import *

This is about the minimal code needed to run a plan file. To quickly summarize what's in here:

- Plan files start with a block of text wrapped in triple quotes `"""`. Everything inside quotes is treated as info
for current plan: it will be displayed both under main and queue windows. It consists of 4 entries:

1. [Hero] which is the hero used for this plan. For example, if you wanted to use Quincy, you simply leave one empty
    space, then type Quincy:

[Hero] Quincy

Names are not case sensitive so `[Hero] quincy` would also work. All available heroes can be 
 found [here](#heroes-1). 
 If your plan does not need a hero, use a dash instead i.e. `[Hero] -`
 2. [Monkey knowledge] states if plan requires monkey knowledge. Use `[Monkey knowledge] Yes` if yes or 
 `[Monkey knowledge] -` if not. To give information on required mk, see 4.
 3. List of required monkeys and highest crosspaths.

Examples:

- if plan uses 2-0-5 sniper and 0-5-2 sniper, then you would type `sniper 2-5-5`.
        - uses darts at start but doesn't upgrade them -> dart 0-0-0
        - uses multiple 0-0-4 beast handlers to merge and create a 0-0-5 beast-> beast 0-0-5

All examples combined, info sections would look like this:

===Monkeys & upgrades required===
            dart 0-0-0

sniper 2-5-5

beast 0-0-5
        You can write all the requirements without separating categories, but in above example, primary/military/support
        are separated by empty line each.
    4. General info: here you can write anything you'd like the user to know about e.g. monkey knowledge
    requirements (list them or give a general explanation) or just comment something.
    Example:

===Monkeys & upgrades required===
            .
            .
            .
            _______________________________________
            this is a test plan and this is a comment
            comments can span multiple rows
    
        Text will auto-wrap in gui menu so, while not recommended, you could also just write all of this on a single 
        row.

With sections 1.-4. combined, here's a simple info text example:

[Hero] Quincy
        [Monkey Knowledge] -
        -------------------------------------------------------------
        ===Monkeys & upgrades required===
        dart 0-0-0

sniper 2-5-5

beast 0-0-5
        _______________________________________
        this is a test plan and this is a comment
        comments can span multiple rows

*For better examples, you should check other existing plans in plans folder*.

Info will also display current plan file name without the .py suffix, and current game version value if it exists.
    To set a version value, you need to open Settings and

- Enable "Record round times and update plan version"
    - Set "Game version" to current bloons td 6 version. Only the major version number is accepted as integer:
    if version would be 50.2, just insert 50 and press "Update version".
    - Then, let bot run and finish the plan to verify it can be completed, and it will auto-update version number for 
    that plan.

Now that you know what the info panel is, let us have a look at the main body:

```python
from._plan_imports import *

This block is Python code. It includes

- all required imports: these are mostly the commands you will use to write bot actions
- play function which is called for each plan
- initialization through menu_start.load; select hero, map, difficulty and game mode
- set a starting point to track total time
- and finally, the main round loop: this begins from round BEGIN (value depends of difficulty and game mode) and
continues until you finish final round (reach END+1). After it does checks and updates "round" value, it matches
this to corresponding if/elif block to perform command for that round.

Thus, you only need to interact with the part starting from
    
```python
    if round == BEGIN:
        ...
```

Note that BEGIN is a variable: YOU DON'T NEED TO CHANGE THIS VALUE, it will always stand for first round.

Usually you have multiple rounds which means rounds look like this:

```python
    if round == BEGIN:
        ...
    elif round == 7:
        ...
    elif round == 10:
    .
    .
    .
    elif round == 99:
        ...
```

Previous block could serve as chimps mode plan template: here BEGIN stands for 6. Note that if nothing happens during a
round, you can exclude it from if/elif: here rounds 8 and 9 are skipped over. For final round you can just use the round
number or variable END:
        
```python
    elif round == 100:
        ...

# or

elif round == END:
        ...
```

Again, no need to include final round block if it has no commands.

On a special case, you can just use the first if-block

```python
    if round == BEGIN:
        ...
```
to include all commands. This is used in **deflation mode**, but you could technically use this on every single game
mode.
- If you do end using this on **non-deflation game modes (= don't use this on deflation plans!)**, for example in 
apopalypse because you can't bother tracking each round (understandable because pausing is disabled), you should **ALWAYS** write

```python
        round = END
    ```

as the very final command, setting bot's round tracking to last round. This avoids the issue with executing all 
  commands on BEGIN round and then waiting bot to skip over all the rounds between BEGIN and END, printing lots of 
  empty rounds.  
  More importantly, without round = END, while bot is catching up in rounds, game actually finishes. This results the 
  background becoming darker which makes round reading pretty much impossible, leaving bot to hang until ocr time 
  limit is reached (and even with that bot might fail to leave end screen, requiring user to manually reset the state).

For examples see *dark_castleEasyDeflation.py* and also *infernalMediumApopalypse.py* where the latter uses only 
BEGIN round block and thus includes the "round = END".

## **Commands**

With commands you can make bot to do stuff during rounds.
    
For now, you can ignore `cpos` argument: it's mostly needed for maps with changing positions e.g. Geared
and Sanctuary. There are also other important topics you should be aware of; all of them are explained later in 
[Advanced](#advanced) section.

For string/text values, Python allows you to use both
- double quotes `"dart"`, or 
- single quotes `'dart'`

Double quotes is the default this document uses because these are also used outside plan files. But there's nothing 
wrong with single quotes.

For practical examples, check any plan file in `btd6bot/plans` folder.

**Monkeys**
-

<table>
 <tr>
 <th>Command (with arguments)</th>
 <th>Description</th>
 <th>Examples</th>
 </tr>
 <tr>
 <td>Monkey(name, pos_x, pos_y)</td>
 <td>Places a monkey <code>name</code> at location (<code>x</code>, <code>y</code>). To access commands, store
 it in a variable with recognizable name. All supported monkeys can be found 
 <a href=#monkeynames>here</a>.</td>
 <td><pre>dart = Monkey("dart", 0.5, 0.5) heli1 = Monkey("heli", 0.1, 0)</pre></td>
 </tr>
 <tr>
 <td>target(set_target, x, y, cpos)</td>
 <td>Change monkey targeting to <code>set_target</code>. For non-targetable monkeys, simply enter the target 
 string. For target options with target coordinate (x, y), pass <code>x</code> and <code>y</code> values.
 All possible targeting options are listed <a href=#targetingchoices>here</a>.</td>
 <td><pre>dart.target("strong") heli1.target("lock", 0.1, 0.15)</pre></td>
 </tr>
 <tr>
 <td>upgrade(set_upg, cpos)</td>
 <td>Upgrade a monkey. Upgrades are given as a list of strings <code>set_upg</code> of form "t-m-b" where t=top, 
 m=middle, b=bottom path i.e. they follow the usual path standard. Multiple upgrade can thus be queued in
 one call. Make sure path is valid: cannot do <code>["0-0-1", "0-0-3"]</code>.</td>
 <td><pre>dart.upgrade(["1-0-0"]) dart.upgrade(["2-0-0", "2-1-0", "3-1-0"]) </pre></td>
 </tr>
 <tr>
 <td>special(s, x, y, cpos)</td>
 <td>Use special ability 1 or 2. Thus, <code>s</code> is either <code>1</code> or <code>2</code>. If targetable 
 special, give also <code>x</code> and <code>y</code> for target location. Is required for moving mortar 
 and dartling location. Special 2 is rarer: some uses would be beast handler second 
 crosspath beast location and (for heroes) Rosalia replace location.
 </td>
 <td><pre>heli.special(1, 0.1, 0.1) mortar.special(1, 0.1, 0.1) dartling.special(1, 0.5, 0.785) 
 sniper.special(1) beast.special(2)</pre></td>
 </tr>
 <tr>
 <td>sell(cpos)</td>
 <td>Sells current monkey. On code level, object still exists so please don't refer to it afterwards, unless 
 you've inserted another non-sold monkey in same variable. </td>
 <td><pre>dart.sell()</pre></td>
 </tr>
 <tr>
 <td>target_robo(direction, clicks, cpos)</td>
 <td>Change second arm targeting of a robo monkey. Current targeting value must be tracked manually: then, you 
 simply pass <code>direction</code> as <code>"left"</code> or <code>"right"</code> to click either left 
 or right arrow direction and give amount of <code>clicks</code> to this direction. For example, after 
 placing a robo monkey, if first hand is on "first" then second is set on "last". Clicking left arrow 
 once changes it to "close". And clicking right once would change it back to "last".</td>
 <td><pre>super.target_robo("left", 2)</pre></td>
 </tr>
 <tr>
 <td>merge(x, y, cpos)</td>
 <td>Merge this beast with another at location (<code>x</code>, <code>y</code>) i.e. target beast gets the 
 benefit of merging, this one becomes idle.</td>
 <td><pre>beast.merge(0.5, 0.5)</pre></td>
 </tr>
 <tr>
 <td>center(x, y, cpos)</td>
 <td>Change x-x-2+ ace center path location to (<code>x</code>, <code>y</code>).</td>
 <td><pre>ace.center(0.45, 0.35)</pre></td>
 </tr>
</table>

**Heroes**
-

<table>
 <tr>
 <th>Command (with arguments)</th>
 <th>Description</th>
 <th>Examples </th>
 </tr>
 <tr>
 <td>Hero(pos_x, pos_y) </td>
 <td>Places a hero at location (<code>x</code>, <code>y</code>). To access commands, store it in a variable 
 with recognizable name. All available heroes are listed <a href=#heronames>here</a>.</td>
 <td><pre>hero = Hero(0.5, 0.5)</pre></td>
 </tr>
 <tr>
 <td>target special sell</td>
 <td>Works exactly the same as with Monkey, see the table above.</td>
 <td><pre>hero.target("last") hero.special(2, 0.1, 0.1) hero.sell()</pre></td>
 </tr>
 <tr>
 <td>force_target()</td>
 <td>Currently, only use is to update internal targeting flag for bot when <code>Etienne</code> hits level 
 <code>11</code>: because bot is unable to track hero xp, it cannot auto-update current targeting mode 
 to zone control. If you use <code>Etienne</code> and plan to change his targeting after lvl 11, you 
 must call this command at the beginning of the round he reaches this milestone; otherwise bot and game 
 have different targeting value which will most likely cause issues.</td>
 <td><pre>hero.force_target() </pre></td>
 </tr>
 <tr>
 <td>shop(item, target_x, target_y, cpos)</td>
 <td>Use Geraldo's shop <code>item</code> at location (<code>target_x</code>, <code>target_y</code>). Item is 
 given as an integer 1-16: first item being top left, last being bottom right, order of items is left to 
 right, top to bottom. This means first row is items 1-4, second 5-8, third 9-12, fourth 13-16</td>
 <td><pre>hero.shop(10, 0.5, 0.5)</pre></td>
 </tr>
 <tr>
 <td>spellbook(spells, cpos)</td>
 <td>Use Corvus's spellbook. Similar to Geraldo's shop, but <code>spells</code> takes a list of integers 
 1-16; order still the same (left to right, top to bottom). You can pass multiple integers to chain 
 spells.</td>
 <td><pre>hero.spellbook([1]) hero.spellbook([20, 6, 2, 3])</pre></td>
 </tr>
</table>

**General**
-

<table>
 <tr>
 <th>Command (with arguments)</th>
 <th>Description</th>
 <th>Examples</th>
 </tr>
 <tr>
 <td>ability(key, timer, xy, delay)</td>
 <td>Press ability hotkey 1-10, after <code>timer</code> seconds has passed, at tuple location <code>xy</code>, 
 with optional <code>delay</code> value. Abilities order depend on the order they get unlocked; keep this
 in mind!Timer value is counted as seconds and is a float number. It defaults to 0 and uses ability 
 instantly the moment bot reads the command. If timer value N > 0, bot wait N seconds from round start 
 before using the ability. However, if time since round start has already exceeded the N, ability is 
 obviously used instantly when command is read e.g. <code>ability(1,10)</code> uses ability 1 instantly 
 if, say 15 seconds have passed. If ability requires a target (e.g. engineer overclock), pass it as a 
 tuple value <code>xy=(x,y)</code>, NOT as separate x and y. Finally, <code>delay</code> uses ability, 
 waits for delay amount (measured in seconds), then moves cursor over to location xy. Its only reasonable 
 use is to refresh Obyn's trees, wait the delay amount to let bananas finish their moving animation, then 
 move cursor to tree location to collect them. You can just also achieve this by setting a wait timer, 
 then use <code>move_cursor</code> command at tree location. Importantly <code>delay</code> has 
 default value of <code>0</code>, which actually disables the cursor moving: any value greated than 0 enables
 it!</td>
 <td> <pre>ability(1) ability(3,10) ability(2,xy=(0.25, 0.25)) ability(1, 5, (0.1, 0.1), 1)</pre></td>
 </tr>
 <tr>
 <td>wait(timer)</td>
 <td>Pauses any bot commands for <code>timer</code> amount of seconds, then resumes after.</td>
 <td><pre>wait(10)</pre></td>
 </tr>
 <tr>
 <td>click(x, y, N) </td>
 <td>Left mouse click at target location (<code>x</code>, <code>y</code>), <code>N</code> times. Useful for 
 interracting with map elements. Default for N is 1, usually this suffices. Exception would be Ravine 
 where sword needs to clicked 23 out of total 24 to prepare it.</td>
 <td><pre>click(0.3, 0.4) click(0.05, 0.12, 15)</pre></td>
 </tr>
 <tr>
 <td>move_cursor(x, y)</td>
 <td>Move mouse cursor to target location (<code>x</code>, <code>y</code>). Rarely useful. Similarly to 
 <code>ability</code>, you could use it to collect bananas from Obyn's tree.</td>
 <td><pre>move_cursor(0.75, 0.44)</pre></td>
 </tr>
 <tr>
 <td>forward(clicks)</td>
 <td>Click the forward button on bottom right <code>clicks</code> times, which gets value <code>1</code> or 
 <code>2</code> times. Default is 2, which sets the game on fast forward. If you play on apopalypse, 
 game already start on basic speed so forward(1) sets it on fast. Important You don't need 
 to insert this command inside first round block, as bot will automatically call it if it has not been 
 called yet. On some harder maps however, you might need to do initial placements, then buy another 
 monkey/change targeting midround. For this, write the initial commands, then add forward call, then add 
 rest of the commands</td>
 <td><pre>forward(1) forward(2)</pre></td>
 </tr>
 <tr>
 <td>change_autostart()</td>
 <td>Changes current autostart status: if you have autostart enabled, this will disable it, and vice versa. 
 Used mostly for advanced/expert chimps. Using this effectively can make your advanced/expert plans much 
 safer (=less rng) and some plans just require it and cannot be completed otherwise.</td>
 <td><pre>change_autostart()</pre></td>
 </tr>
 <tr>
 <td>end_round(timer)</td>
 <td>Pressed the start/forward button a single time after <code>timer</code> amount of seconds has passed; 
 supports float values. If no timer value is given, defaults to 0 seconds. Only used when autostart is 
 disabled with change_autostart(). You can see this used often under expert chimps plans, because with 
 autostart disabled rounds need to be ended manually.</td>
 <td><pre>end_round(20)</pre></td>
 </tr>
</table>

**Advanced**
-

These topics are more difficult to grasp, but necessary for creating more complex plans.

- [**cpos**] `cpos` updates current x and y positions. If map such as Geared moves your monkey
 location from previous and you need to call a command on this monkey, cpos must be used. Otherwise bot thinks the
monkey is still at previous location which of course will break it. To use cpos, simply add `cpos=(x, y)` 
argument at the end and insert the new location coordinate. 
    - Note that cpos will also update this as current coordinate, so if monkey has not changes it's position since 
    last cpos command, you don't need to add them again. 
    
        An example could be Geared map: you place a monkey at location (x,y) then 8 rounds pass and gear has done full 
        rotation and landed on same coordinate. Then, updating cpos is not needed because bot already points at this 
        location.
        
        But, for safety/good practise measures, you should still always add them on Geared/Sanctuary plans: makes easier
        to go back and check for possible errors.

To see how `cpos` is used in practise, check *sanctuaryHardChimps.py* or *gearedHardChimps.py* plan files.

- [**placement_check**] When you create a Monkey object, there's another parameter called `placement_check`. It 
defaults to boolean value True which means bot will perform the usual check as intended. But, on some occasions, you 
might want to avoid this: if you place towers close to upper hud i.e. under hp, cash or round display, changes are you 
cannot click the monkey at same location you initially placed it at. This is because those hud values can change and 
block the access. If access is blocked, bot cannot verify the placed monkey and this is likely to break the plan 
execution.

To avoid this, you can pass `placement_check=False` which ignores the checking process e.g. 
    `dart1 = Monkey("dart", 0.1, 0.1, placement_check=False)`. Then, you use `cpos` to update the location where 
    this monkey is accessed from: you click slightly off the center and it should still count as clicking on this 
    monkey. Then just set this new position as cpos when you next need to command said monkey.

While this process is often an overkill and can be avoided by changing placements further away from hud, one actual
    use case is found in *bloody_puddlesHardChimps* plan: here, a sniper is placed at the top left position, next to 
    left outermost track, to provide best coverage for early game. The position is just under the cash display: sniper
    can be placed normally, but cannot be clicked and accesed again at same location. Thus following commands are 
    performed:

```python
        sniper3 = Monkey("sniper", 0.1619791666667, 0.0268518518519, placement_check=False)
        sniper3.target("strong", cpos=(0.1291666666667, 0.0601851851852))
    ```
    
    Here, as you can see, sniper ignores the placement check, and next target command updates the (x,y) position of 
    sniper by moving slightly left and up from initial x and y coordinates.

- [**Order of arguments**] In command examples, commands often exclude the argument names. For example

```python
        dart = Monkey("dart", 0.5, 0.5)
    ```

is the same as

```python
        dart = Monkey(name="dart", pos_x=0.5, pos_y=0.5)
    ```
    
    Reason is, **if you use arguments in order**, `arg_name=` syntax is not needed: Python knows that, in above 
    example, `"dart"` refers to argument `name`, the first `0.5` value refers to `pos_x` and second to 
    `pos_y`.

However, if you ever need to access latter arguments without using all the previous ones, you have to use actual 
    argument keyword. For example, in map Geared, you placed a dart monkey, just like in code above. Now, you want to 
    change its "first" to "strong", but to do this, you need to update its current position because gear
    has moved since it's initial placement. So maybe the new position is (0.45, 0.3). To update dart position, the
    cpos argument is needed. Now, target command has syntax `target(set_target, x, y, cpos)` 
    which means if you write

```python
        dart.target("strong", 0.45, 0.3)
    ```
    
    this will actually just click dart's current internal location (0.5, 0.5) and try to set monkey at that location
    on "strong". Well there could be a monkey, or not. Nontheless, it's not the intended outcome! After 
    this, it will attempt to target dart location (0.45, 0.3); again, this doesn't mean anything for
    current 0-0-0 dart!

The problem? Just as stated at the first example, this argument means

```python
        dart.target("strong", pos_x=0.45, pos_y=0.3)
    ```

Because x and y values are not needed for dart, command needs to be provided with argument names:

```python
        dart.target("strong", cpos=(0.45, 0.3))
    ```

This would do what we originally wanted. Of course, something like

```python
        dart.target("strong", 0.2, 0.3, 0.45, 0.3)
    ```

would also work in sense, because it does the same as

```python
        dart.target("strong", pos_x=0.2, pos_y=0.3, cpos=(0.45, 0.3))
    ```
    
    but again bot would set the target location of 0-0-0 dart at (0.2, 0.3). Luckily, it would cause no harm, but is 
    not what was intended.

To summarize: if you use all arguments up to a point, no need to add argument names. But if you skip over 
 even one, rest of the arguments must use argument names. This might be difficult to understand at first, but with 
 practise and using existing plans as examples, it becomes easy to remember.

- [**Possible round detection issues**] If you have lot of things happening under the round label top right, bot might 
sometimes have issues with detecting rounds: this can either result into delayed round start OR it can even skip over 
rounds because bot will falsely detect it has falled behind in rounds and tries to catch up. 
**This rarely becomes a problem**, but if it happens, it could cause serious issues, as bot uses abilities before their
intended rounds/timings.

A good example of this would be *Erosion* map: here, lot of end game defense is likely concentrated in the 
 remaining ground located top right. Not only this, all bloons move around this area during final rounds as well. 
 Combined, bloons and lot of projectiles flying around round text might create detection issues. 
 
 **So just be aware that this issue can exist, but majority of time you don't need to concern yourself with it!**

## Tables: Monkeys, heroes and targeting options

<h2>Monkeys</h2>

Use these values when placing a new monkey with `Monkey(name, pos_x, pos_y)` command

**1**: If you plan to use `wingmonkey` monkey knowledge, see [Targeting](#targeting) (**2**).

<h2>Heroes</h2>

Hero for current plan is selected based on `[Hero]` value inside the plan file info panel.  
*In the following table, Heroes are categorized by their xp ratio. Higher ratio means slower xp gain.*

| x1                | x1.425        | x1.5          | x1.71
|-|-|-|-|
| Etienne (**1**)   | Brickell      | Benjamin      | Adora
| Geraldo           | Corvus        | Psi           | Churchill
| Gwen              | Ezili         | Silas         |
| Obyn              | Pat
| Quincy            | Rosalia
| Striker           | Sauda
|                   | Dan

**1**: When Etienne hits level **11**, he auto-updates targeting mode from whatever you currently use to "zone control". 
If you plan to change Etienne's targeting afterwards, you must call `force_target()` on same turn as Etienne levels up 
to 11. This command sets bot targeting internally to "zone control". Otherwise game and bot have different targeting 
values which will most likely cause issues.

<h2>Targeting</h2>

Use `target(set_target, x, y, cpos)` to change targeting.

**1**: Valid for most monkeys/heroes. Also, `x-x-3+ ice`, `5-x-x` tack and `5-x-x village` can use these.
- For `x-3+-x super`, use `target_robo` command to control second arm targeting.

**2**: To enable `wingmonkey` mk, first ace must be named `ace_wing` instead of `ace`. This enables a global flag
to take wingmonkey into account with targeting changes; without the flag enabled, actual target value and bot value are
going to be desynced.  
Afterwards, you place aces normally using `ace`.

**3**: When a `x-5-x sniper` is bought, a global flag tracking `elite` targeting is set to `True`. Bot can then 
automatically adjust targeting system around elite targeting. And, when `x-5-x sniper` is sold with `sell()`, this
status is reverted back to `False`.  
After selling bot automatically keeps track of any targeting changes caused by losing elite targeting option.

**4**: Mortars cannot be targeted using `target` command. Use `special(1, x, y)` instead.

**5**: Dartling guns behave a bit differently and require both `target` and `special` commands for (re)targeting. 
Some other monkeys, like `heli` can benefit from this as well.
- For `dartling`, use `target("locked", x, y)` the first time to set direction. 
- For `heli`, bot automatically calls `target("lock", x, y)` the first time to set hover position to where helipad 
was placed.

To retarget either of monkeys in their locked state, you must use `special(1, x, y)` instead. This is because bot has 
been programmed to require new targeting value to be different from current e.g. you can't set a monkey on `first` 
if it already has this value. Therefore, when trying set dartling/heli to `locked`/`lock` respectively, same rule 
applies.

**6**: Requires `x-x-2+ spike`. With `set`, you can set initial location with `target("set", x, y)` and must 
use `special(1, x, y)` afterwards.

# Updating the bot

This section covers how to add new content for `BTD6bot`.

Some Python knowledge is required. 
You should also use a code editor like VS Code for optimal experience.

---

`btd6bot` source should look like this:

_ocr_tests
    bot
    Files
    gui
    plans
    utils
    __init__.py
    __main__.py
    _no_gui.py
    set_plan.py

For in-game updates only `bot` and `Files` are  necessary, as only somewhat frequent additions would be new monkeys
 and heroes.

- Maps don't require any changes because bot selects a map using the plan file: if a new map called `Bloons Map` 
was added and you wanted to create a plan for it on *hard, standard* then simply name the plan file 
`bloons_mapHardStandard.py`.

- For major changes, like new additions to game's ui, some bigger changes in bot code could be required. However, 
because changes like these are too vague to be described under a ruleset, they are not covered here and each case must
be handled individually.

Bot and files directory can be summed shortly:

- `bot` contains the entire bot library which is responsible of all in-game bot actions. It includes the logic for
 menu navigation, round and defeat checks, time flow, keyboard and mouse controls, text detection and reading etc. It 
 also implements all bot commands used in plan files.

- `Files` includes all non-Python files gui and bot need. Only upgrade ocr template and hotkeys
 need to be updated.

So only files you likely need to modify are

- `bot`
    - `locations.py`
    - `_adjust_deltas.py`
    - `commands/monkey.py`
    - `commands/hero.py`
- `Files`
    - `_ocr_upgradedata.json`
    - `text files/hotkeys.txt`
    - `custom_locations.json`

## New monkeys

1. **Monkey name**

- open `bot/commands/monkeys.py`

- under `Monkey` class, find `_MONKEY_NAMES` constant.

- add monkey name here. Each category is on its own line; `hero` is just a identifier for hero-type monkeys.
 **Make sure name is short, written as lowercase string (add double quotes " " around it) and related to actual 
 monkey.** It will be used in multiple places, in particular each time a monkey of this type is created.

Example: if your monkey is called `"test_monkey"` and it belongs to military category, then code becomes

```python
        _MONKEY_NAMES = (
        "dart",  # primary
        "boomer",
        "bomb",
        "tack",
        "ice",
        "glue",
        "desperado",
        "sniper",  # military
        "sub",
        "boat",
        "ace",
        "heli",
        "mortar",
        "dartling",
        "test_monkey",
        "wizard",  # magic
        "super",
        "ninja",
        "alch",
        "druid",
        "mermonkey",
        "farm",  # support
        "spike",
        "village",
        "engineer",
        "beast",
        "hero",  # hero
    )
    ```

**Don't forget to add comma `,` at the end of each row!**

2. **Set hotkey**

- open `Files/text files/hotkeys.txt` and add a new row:

- first, name of the monkey e.g. `test monkey`
        - then, one space, followed by `=` then another space
        - then, set an initial hotkey value; user sees this in gui. Some existing symbols can display weirdly when you
         edit this file manually: make sure to update these through gui.
        
        Lets say you used just `q` as hotkey. Then simply write `test monkey = q`.

- in `bot/commands/monkeys.py`, search `_get_hotkey` and support for new hotkey:

```python
        case "test_monkey":
            return hotkeys["test monkey"]
        ```

Here, 
    
    - use the code-level name you added in `_MONKEY_NAMES` inside `case` e.g. `case "test_monkey"`
    - hotkey string you wrote in `hotkeys.txt` inside `hotkeys[...]`; remember to add `" "` to use string type
    e.g. `hotkeys["test monkey"]`.

3. **Add targeting settings**

- in `monkeys.py`, search `_change_target`
    - add a `case` for your monkey
    - add **all possible** targeting outcomes: `target` value is the one you are switching to, `current` is current
     value before switching to `target`.

Some monkeys like `sniper` and `ace` have more complex systems, because the amount of key presses to move from
    `current` to `target` depends on what targeting options are currently available. For snipers, x-5-x unlocks
    `elite`; for aces, x-x-2+ unlocks `centered` and possible monkey knowledge unlocks `wingmonkey`.

4. **Add possible automatic update of target values**

For most monkeys, this one is not required. Only for monkeys which auto-switch to a targeting option after 
    upgrading. Examples: `heli 2-x-x-`, `ace x-x-2`, `sniper x-5-x`. To add a new value:

- in `monkeys.py`, search `_update_auto_target_paths`
    - then simply add a new line like this:

```python
        if self._name == "test_monkey" and i == 0 and int(u[2*i]) == 4:
            self._targeting = "strong"
        ```
    
    Here, 
    
    - `i == ...` stands for the upgrade path: `0` for top, `1` for middle, `2` for bottom.
    - `int(u[2*i])` points to upgrade path position value i.e. the crosspath value `0-5`. In example above, 
    `i == 0 and int(u[2*i]) == 4` means top path 4. upgrade, or `4-x-x` path.

Together, code above states: if `"test_monkey"` is upgraded to `4-x-x`, change targeting to `strong`.

5. **Set basic targeting value**

- in `monkeys.py`, search `_basic_monkey_targeting`
    - again, add a new case for your monkey and its default targeting when its initially placed. If targeting value is 
    `first`, `close`, `last` or `strong`, **don't add anything, `case _` covers this.**

6. **Add any command methods**

Again, **optional for most monkeys**. But if your monkey requires some custom command, add method for it. Add these 
    at the bottom of `monkeys.py`. Examples for current monkeys:

- `robo_target`: for `super` monkeys only, in particular robo monkeys. Change second arm targeting.
    - `merge`: merge this `beast` handler with another located in target location.
    - `center`: change a `x-x-2+ ace` center path location.

7. **Update upgrade ocr base values (VERY IMPORTANT)**

In order to include the new monkey in ocr adjusting, you need to add **all** its upgrade paths, upgrade names 
 and placeholder deltas to `Files/_ocr_upgradedata.json`. This data must be similar to existing entries: 
 for example, `dart` monkey has its data listed something like this:

"dart 1-x-x": [
          "sharp shots",
          0.5
        ],
        "dart 2-x-x": [
          "razor sharp shots",
          0.5
        ],
        .
        .
        .
        "dart x-x-4": [
          "sharp shooter",
          0.5
        ],
        "dart x-x-5": [
          "crossbow master",
          0.5
        ]

1. each dictionary key is a string of monkey name and upgrade crosspath: each such string forms a key
 2. under each key is a list object with 2 entries.
 - first is upgrade path name; copy the names from in-game upgrades and **try to avoid typos**: one wrong 
 letter is mostly fine, but multiple can cause problems with ocr.
 - second is delta value: because this file is just a template, these are just default placeholder values. 
 The actual file which is created during ocr adjusting process copies these to initialize fields, then updates 
 them immediately after with real data. Just insert a valid value like `0.5`, then copy-paste it under other 
 upgrades as well.

---

## New heroes

1. **Hero click location in selection screen**

- open `bot/locations.py`
    - under `"CLICK"` dictionary, there are dictionaries `"heroes"` and `"heroes2"`: these contain hero portrait 
    click locations for each hero when in selection screen. Then,

- If hero can be accessed without needing to scroll the selection screen down, it should be added in 
        `"heroes"`.
        - Otherwise, hero is initially hidden and screen must be scrolled down to reveal it. Currently, only `corvus` 
        requires this, thus located under "heroes2".
    
    - then, get the hero portrait location with coordinate tool (`tools/show_coordinates`) and add a new entry to one 
    of the lists: it needs to include
    
        1. hero name, **all lowercase**, and
        2. **click location as a tuple**.  
        Note that hero locations **can change between updates so you might need to change location of other heroes as 
        well.**
    - (*optional*) update hero dictionary in `Files/custom_locations.json`

This in in fact the only mandatory step for adding heroes. However, if hero uses custom targeting options 
(other than **first**, **close**, **last**, **strong**) or requires custom commands 
(**Geraldo's shop**, **Corvus's spellbook**) then read the following sections.

2. **Custom targeting options**

- open `bot/commands/hero.py`

- search for method `_change_hero_target` and find following part (or something that looks very similar to it in 
    case this has not been updated) under it:

```python
        match self._hero_name:
            case "benjamin":
                print("???")
            case "etienne":
                if target == "d&q":
                    if current == "first":
                        kb_mouse.kb_input(hotkeys["target change"])
                    elif current == "zone":
                        kb_mouse.kb_input(hotkeys["target reverse"])
                elif target == "first":
                    if current == "d&q":
                        kb_mouse.kb_input(hotkeys["target reverse"])
                    elif current == "zone":
                        kb_mouse.kb_input(hotkeys["target change"])
                elif target == "zone":
                    if current == "first":
                        kb_mouse.kb_input(hotkeys["target reverse"])
                    elif current == "d&q":
                        kb_mouse.kb_input(hotkeys["target change"])
                else:
                    return self._name, target
            case _:
                return self._normal_targeting(current, target)
        ```

Here the special cases: all other heroes operate under basic system. 
        
        - For **benjamin**, no case would be required: all it does currently is to print text `???` if user tries to 
        change targeting. 
        
        - For **Etienne** however, system matches to new target value `target`, then jumps into if-elif block to see 
        `current` targeting setting and presses target change/reverse keys desired amount of times: in this particular
        case, only a single key press is required which is already the default value.

**IMPORTANT** Bot cannot track hero xp and thus is unable to know current level of hero. If hero unlocks a new 
        targeting setting on some level, like Etienne does, following happens:

- in-game, when Etienne reaches lvl 11, targeting is automatically set to *zone control*. For bot, it should 
        also become `zone`, but this cannot happen automatically for the reason stated. Thus, to sync targeting 
        between game and bot, user must call `force_target` method in any plan that includes Etienne reaching lvl 11. 
        All this method does is it sets `self._targeting = zone` which means bot is now in sync game targeting. 
        Afterwards, targeting works as expected.

If any hero behaves similarly, add an internal flag by editing `force_target` method and notify the user 
        which heroes require this under by adding a comment in [Heroes](#heroes) .

3. **Custom commands for a hero**

If you need to add custom command(s) for any hero:

- add a new method, name it in a way that describes it well, but is relatively short 
    (e.g. `shop` for Geraldo, `spellbook` for Corvus)
    - implement any other required internal methods (e.g. `_prepare_hero_menu` for Geraldo and Corvus)
    - **(Optional)** Add pause flag, cpos checks so method can be used in maps with changing positions; see other 
    existing methods for examples.

## Contributing to project

**[Pull requests]**

Always set pull requests to merge from your branch into BTD6bot `dev` branch, i.e.

>base: `dev` <- compare: `your_branch`

where `your_branch` should be main branch of forked BTD66bot repo.

This is because

- `dev` is meant for adding and testing new features. Pull request code can be checked, possible fixes can be made and 
then all of it can be merged with current development code to make sure everything works. After current set of new 
features/fixes in dev branch have been tested thoroughly, only then it gets moved to main branch so that all users can 
access them and expect minimal bugs.
- `main` is the production/user branch. It's the current version of bot all users should download and therefore must 
have minimal amount of bugs. Any undetected bugs can be hotfixed and tested again in `dev` branch then merged 
into `main` only by creating a new pull request. This way unfinished dev code and production code are strictly 
separated.

**[Issues]**

- State your issue in your own words. If possible try to explain what you did before the issue happened. No need to be 
super-detailed, just the general details are enough.
- If there was an error message or other type of text that indicates this wasn't supposed to happen, please include it.
    - Mention your operating system. Usually this can easily be interpreted from the context but not always.

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