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<img src="https://github.com/GTAmodding/re3/blob/master/logo.png?raw=true" alt="re3 logo" width="200">
[](https://actions-badge.atrox.dev/GTAmodding/re3/goto?ref=master)
<a href="https://discord.gg/aKYAwCx92H"><img src="https://img.shields.io/badge/discord-join-7289DA.svg?logo=discord&longCache=true&style=flat" /></a>
## Intro
The aim of this project is to reverse GTA III for PC by replacing
parts of the game [one by one](https://en.wikipedia.org/wiki/Ship_of_Theseus)
such that we have a working game at all times.
## How can I try it?
- re3 requires game assets to work, so you **must** own [a copy of GTA III](https://store.steampowered.com/app/12100/Grand_Theft_Auto_III/).
- Build re3 or download [the latest nightly build](https://github.com/GTAmodding/re3/actions) (You must be logged in.)
- (Optional) If you want to use optional features like Russian language or menu map, copy the files in /gamefiles folder to your game root folder.
- Move re3 executable to GTA 3 directory and run it.
## Latest standalone executables to download
(Put content of selected archive into gamedir)
- [Windows D3D9 MSS 32bit](https://nightly.link/GTAmodding/re3/workflows/re3_msvc_x86/master/re3_Release_win-x86-librw_d3d9-mss.zip)
- [Windows D3D9 64bit](https://nightly.link/GTAmodding/re3/workflows/re3_msvc_amd64/master/re3_Release_win-amd64-librw_d3d9-oal.zip)
- [Windows OpenGL 64bit](https://nightly.link/GTAmodding/re3/workflows/re3_msvc_amd64/master/re3_Release_win-amd64-librw_gl3_glfw-oal.zip)
- [Linux 64bit](https://nightly.link/GTAmodding/re3/workflows/build-cmake-conan/master/ubuntu-latest-gl3.zip)
- [MacOS 64bit](https://nightly.link/GTAmodding/re3/workflows/build-cmake-conan/master/macos-latest-gl3.zip)
## Building from Source
When using premake, you may want to point GTA_III_RE_DIR environment variable to GTA3 root folder, if you want executable to be moved there via post-build script.
<details><summary>Linux Premake</summary>
For Linux using premake, proceed: [Building on Linux](https://github.com/GTAmodding/re3/wiki/Building-on-Linux)
</details>
<details><summary>Linux Conan</summary>
Obtain source code.
```
git clone https://github.com/GTAmodding/re3.git
cd re3
git submodule init
git submodule update --recursive
```
Install python and conan, and then run build.
```
conan export vendor/librw librw/master@
mkdir build
cd build
conan install .. re3/master@ -if build -o re3:audio=openal -o librw:platform=gl3 -o librw:gl3_gfxlib=glfw --build missing -s re3:build_type=RelWithDebInfo -s librw:build_type=RelWithDebInfo
conan build .. -if build -bf build -pf package
```
</details>
<details><summary>FreeBSD</summary>
For FreeBSD using premake, proceed: [Building on FreeBSD](https://github.com/GTAmodding/re3/wiki/Building-on-FreeBSD)
</details>
<details><summary>Windows</summary>
Assuming you have Visual Studio:
- Clone the repo using the argument `--recursive`.
- Run one of the `premake-vsXXXX.cmd` variants on root folder.
- Open the project via Visual Studio
**If you use 64-bit D3D9**: We don't ship 64-bit Dx9 SDK. You need to download it from Microsoft if you don't have it(although it should come pre-installed after some Windows version)
**If you choose OpenAL on Windows** You must read [Running OpenAL build on Windows](https://github.com/GTAmodding/re3/wiki/Running-OpenAL-build-on-Windows).
</details>
> :information_source: There are various settings in [config.h](https://github.com/GTAmodding/re3/tree/master/src/core/config.h), you may want to take a look there. i.e. FIX_BUGS define fixes the bugs we've come across.
> :information_source: **Did you notice librw?** re3 uses completely homebrew RenderWare-replacement rendering engine; [librw](https://github.com/aap/librw/). librw comes as submodule of re3, but you also can use LIBRW enviorenment variable to specify path to your own librw.
## Contributing
Please read the [Coding Style](https://github.com/GTAmodding/re3/blob/master/CODING_STYLE.md) Document
### Unreversed / incomplete classes (at least the ones we know)
The following classes have only unused or practically unused code left:
```
NameGrid.cpp - only on mobile (a player name grid, either a very early player name code ala GTA1 or a multiplayer leftover)
PedDebug.cpp - only on mobile (debug code)
HandlingMgr.cpp - debug functions from mobile
CFormationInfo - unused PedAI class that could be found on mobile
CVehicle::ProcessBikeWheel - early bike code (only on mobile)
CAutomobile::DebugCode - debug function from mobile
CBoat::DebugCode - debug function from mobile
CBoat::ModifyHandlingValue - debug function from mobile
CBoat::DisplayHandlingData - debug function from mobile
CStreaming::PrintRequestList - debug function from mobile
d3d8raster.c - only on PC (slight RW modification that we don't actually need)
```
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