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BackStabRecomp

(★ 9)

A Windows x64 port of the Android ARMv7 version of BackStab HD, powered by AndroidRecomp.

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- - bug_report.yml
  - config.yml
- - validate.yml
- BUILDING.md
- GAME_FILES.md
- KNOWN_ISSUES.md
- TECHNICAL_NOTES.md
- backstab-vita-MIT.txt
- config-16x9.ini
- config-debug.ini
- config-ultrawide.ini
- bootstrap.py
- profile_patch.py
- check_game_data.py
- ensure_boost.py
- ensure_python_deps.py
- prepare_game.py
- stage.py
- verify_lib.py
.editorconfig
.gitattributes
.gitignore
bootstrap.bat
build-mingw.bat
build-msvc.bat
check-game-data.bat
clean.bat
CODE_OF_CONDUCT.md
config.ini
CONTRIBUTING.md
CREDITS.md
LEGAL.md
LICENSE
MANIFEST.sha256
prepare-game.bat
profile.json
README.md
run.bat
SECURITY.md
THIRD_PARTY_NOTICES.md

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BackstabRecomp is an experimental Windows x64 port of **BackStab HD for Android 1.2.8d**. It executes the original user-supplied ARMv7 game library through AndroidRecomp and implements the Android, JNI, OpenGL ES, audio, filesystem, input, and lifecycle behavior required by the game.

No commercial game files are included.

## Controls

| Key         | Function                                  |
| ----------- | ----------------------------------------- |
| **W A S D** | Move                                      |
| **Space**   | Jump                                      |
| **F**       | Sword attack                              |
| **E**       | Interact / contextual action / use cannon |
| **Q**       | Parry, defend, or special attack          |
| **Shift**   | Aim                                       |
| **M**       | Open the minimap                          |
| **Esc**     | Back / pause menu                         |
| **F8**      | Toggle the widescreen correction          |
| **F11**     | Toggle fullscreen                         |
| **F4**      | Quit the game when `f4_quits = 1`         |

| Input                  | Function               |
| ---------------------- | ---------------------- |
| **Left mouse button**  | Touch, select, or drag |
| **Right mouse button** | Aim                    |

| Input                  | Function                                     |
| ---------------------- | -------------------------------------------- |
| **Left stick / D-pad** | Move                                         |
| **Right stick**        | Camera                                       |
| **A / Cross**          | Jump                                         |
| **X / Square**         | Sword attack                                 |
| **Y / Triangle**       | Interact / contextual action                 |
| **B / Circle**         | Parry, special attack, or Back in menus      |
| **LB / LT**            | Aim                                          |
| **RB / RT**            | Shoot / attack while aiming                  |
| **Back / Select**      | Minimap                                      |
| **Start**              | Pause                                        |
| **L3 + R3**            | Swap analog sticks when detected incorrectly |

## Current features

- native Windows x64 host application;
- ARMv7 execution through Dynarmic;
- working boot, menus, gameplay, saves, and language selection;
- real-time paced SDL AudioTrack output;
- keyboard, mouse, and SDL game-controller (untested) support;
- native-resolution borderless fullscreen and windowed mode;
- 16:9 and ultrawide Hor+ rendering with a protected 16:9 UI region;
- ultrawide frustum-culling compatibility (seems to not work properly);
- automatic pause on focus loss and Alt+Tab handling;
- configurable frame cap and experimental unlocked frame rate;
- stable high-resolution UI-atlas aliasing;
- desktop OpenGL shader compatibility fixes.

## known issues

To close the game you need to do Alt+Tab and close from the task bar.
Text in other languages is partially broken at moment.
Mouse + keyboard support still need improvements. Not tested with a gamepad.

## Requirements to build from source

- Windows 10 or Windows 11 x64;
- Visual Studio 2022 with Desktop development with C++ and CMake tools;
- Python 3.10 or newer;
- AndroidRecomp as a sibling directory or under `vendor/AndroidRecomp`;
- a legally obtained BackStab HD Android 1.2.8d APK and external data folder.

## Prepare game files

```bat
prepare-game.bat "C:\Path\BackStab.apk" "C:\Path\com.gameloft.android.ANMP.GloftSDHM"
```

The tool extracts only `lib/armeabi-v7a/libPirates.so`, verifies the supported SHA-1, and copies external data into the ignored local staging directory.

## Build

```bat
bootstrap.bat
build-msvc.bat
```

Output:

```text
dist/BackstabRecomp.exe
```

Launch with:

```bat
run.bat
```

## Credits
This project is heavily based on the PvZ2Native project. Their team is composed by: OptiJuegos, staFF6773, and Eliandro4. Also uses some stuff from backstab-vita by v-atamanenko and Rinnegatamante.
See [AndroidRecomp](https://github.com/jessicanataliagta/AndroidRecomp) for more info.