mirror of
https://github.com/GTAmodding/re3.git
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144 lines
6.7 KiB
Markdown
144 lines
6.7 KiB
Markdown
[](https://actions-badge.atrox.dev/GTAmodding/re3/goto?ref=miami)
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<a href="https://discord.gg/aKYAwCx92H"><img src="https://img.shields.io/badge/discord-join-7289DA.svg?logo=discord&longCache=true&style=flat" /></a>
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## Intro
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In this repository you'll find the fully reversed source code for GTA III ([master](tree/master) branch) and GTA VC ([miami](tree/miami) branch).
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It has been tested and works on Windows, Linux and FreeBSD, on x86, amd64, arm and arm64.\
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Rendering is handled either by original RenderWare (D3D8)
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or the reimplementation [librw](https://github.com/aap/librw) (D3D9, OpenGL 2.1 or above, OpenGL ES 2.0 or above).\
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Audio is done with MSS (using dlls from original GTA) or OpenAL.
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We cannot build for PS2 or Xbox yet. If you're interested in doing so, get in touch with us.
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## How can I try it?
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- reVC requires game assets to work, so you **must** own [a copy of GTA Vice City](https://store.steampowered.com/app/12110/Grand_Theft_Auto_Vice_City/).
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- Build reVC or download the latest nightly build:
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- [Windows D3D9 MSS 32bit](https://nightly.link/GTAmodding/re3/workflows/reVC_msvc_x86/miami/reVC_Release_win-x86-librw_d3d9-mss.zip)
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- [Windows D3D9 64bit](https://nightly.link/GTAmodding/re3/workflows/reVC_msvc_amd64/miami/reVC_Release_win-amd64-librw_d3d9-oal.zip)
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- [Windows OpenGL 64bit](https://nightly.link/GTAmodding/re3/workflows/reVC_msvc_amd64/miami/reVC_Release_win-amd64-librw_gl3_glfw-oal.zip)
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- [Linux 64bit](https://nightly.link/GTAmodding/re3/workflows/build-cmake-conan/miami/ubuntu-latest-gl3.zip)
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- [MacOS 64bit](https://nightly.link/GTAmodding/re3/workflows/build-cmake-conan/miami/macos-latest-gl3.zip)
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- Copy the files from the `gamefiles` directory to your game root directory. (This is not strictly necessary but very much recommended)
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- Move reVC executable to GTA VC directory and run it.
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## Screenshots
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## Improvements
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We have implemented a number of changes and improvements to the original game.
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They can be configured in `core/config.h`.
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Some of them can be toggled at runtime, some cannot.
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* Fixed a lot of smaller and bigger bugs
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* User files (saves and settings) stored in GTA root directory
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* Settings stored in reVC.ini file instead of gta_vc.set
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* Debug menu to do and change various things (Ctrl-M to open)
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* Debug camera (Ctrl-B to toggle)
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* Rotatable camera
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* Xinput controller support (Windows)
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* No loading screens between islands ("map memory usage" in menu)
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* Rendering
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* Widescreen support (properly scaled HUD, Menu and FOV)
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* PS2 MatFX (vehicle reflections)
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* PS2 alpha test (better rendering of transparency)
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* Xbox vehicle rendering
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* Xbox world lightmap rendering (needs Xbox map)
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* Xbox ped rim light
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* Xbox screen rain droplets
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* More customizable colourfilter
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* Menu
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* More options
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* Controller configuration menu
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* ...
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* Can load DFFs and TXDs from other platforms, possibly with a performance penalty
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* ...
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## To-Do
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The following things would be nice to have/do:
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* Fix physics for high FPS
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* [PS2 port](https://github.com/GTAmodding/re3/wiki/PS2-port)
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* Xbox port (not quite as important)
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* reverse remaining unused/debug functions
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* compare Codewarrior build with original binary for more accurate code (very tedious)
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## Modding
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Asset modifications (models, texture, handling, script, ...) should work the same way as with original GTA for the most part.
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Mods that make changes to the code (dll/asi, CLEO, limit adjusters) will *not* work.
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Some things these mods do are already implemented in re3 (much of SkyGFX, GInput, SilentPatch, Widescreen fix),
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others can easily be achieved (increasing limis, see `config.h`),
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others will simply have to be rewritten and integrated into the code directly.
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Sorry for the inconvenience.
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## Building from Source
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When using premake, you may want to point GTA_VC_RE_DIR environment variable to GTA Vice City root folder, if you want executable to be moved there via post-build script.
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<details><summary>Linux Premake</summary>
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For Linux using premake, proceed: [Building on Linux](https://github.com/GTAmodding/re3/wiki/Building-on-Linux)
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</details>
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<details><summary>Linux Conan</summary>
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Obtain source code.
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```
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git clone https://github.com/GTAmodding/re3.git reVC -b miami
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cd reVC
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git submodule init
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git submodule update --recursive
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```
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Install python and conan, and then run build.
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```
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conan export vendor/librw librw/master@
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mkdir build
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cd build
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conan install .. reVC/master@ -if build -o reVC:audio=openal -o librw:platform=gl3 -o librw:gl3_gfxlib=glfw --build missing -s reVC:build_type=RelWithDebInfo -s librw:build_type=RelWithDebInfo
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conan build .. -if build -bf build -pf package
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```
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</details>
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<details><summary>FreeBSD</summary>
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For FreeBSD using premake, proceed: [Building on FreeBSD](https://github.com/GTAmodding/re3/wiki/Building-on-FreeBSD)
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</details>
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<details><summary>Windows</summary>
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Assuming you have Visual Studio:
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- Clone the repo using the argument `--recursive`.
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- Run one of the `premake-vsXXXX.cmd` variants on root folder.
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- Open the project via Visual Studio
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**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)
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**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).
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</details>
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> :information_source: There are various settings in [config.h](https://github.com/GTAmodding/re3/tree/miami/src/core/config.h), you may want to take a look there. i.e. FIX_BUGS define fixes the bugs we've come across.
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> :information_source: **Did you notice librw?** reVC uses completely homebrew RenderWare-replacement rendering engine; [librw](https://github.com/aap/librw/). librw comes as submodule of reVC, but you also can use LIBRW enviorenment variable to specify path to your own librw.
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## Contributing
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We have a [Coding Style](https://github.com/GTAmodding/re3/blob/master/CODING_STYLE.md) document that isn't followed or enforced very well.
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Do not use features from C++11 or later.
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## License
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We don't feel like we're in a position to give this code a license.
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If we were, it would be MIT licensed.
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