Hotfix 12.01.26:

• Updated FF fork again to fix an issue that happend when pressing F3
• Updated the Remix Bridge because there was a version mismatch between the Bridge and the Runtime
• Removed remix-mod files from the Compatibility Repo and put them here
• Fixed installer issues and added remix-mod downloading logic ^
• Added code to prevent radar background flicker that could occur sometimes

Changelog 1.1.7

Comp Mod

• Fixed unbreakable sirens
• Bar shaped sirens now have actual lights
• Firetruck sirens now have actual lights (+ made firetruck sirens translucent)
• Fixed a crashing issues on certain missions (see #49)
• Added a tweaked timecyclemodifiers.dat to enable moon light everywhere
• Added a setting to tweak intensity of the moonlight
• Updated FF fork to re-enable fps counter + timecycle info
• Updated Remix Runtime and fixed issues with per draw-call modifiers (instance issues - emissive flicker)

Remix Mod

• Added a PBR material for one type of sidewalk and corner variants (broker)
• Added some road PBR materials (mostly generic asphalt) w/o albedo and a few damaged variants

Changelog (1.1.5 / 1.1.6)

Comp Mod

• Disabled a game function that renders projected light coronas (because they are broken) and unhid the corona texture.
  Doing this fixed things like:

• Console now logs to a file (rtx_comp/logfile.txt)
• Tagged more decal textures (thanks Thundery_Dan)
• Fixed an issue that could make emissives flicker (not completely fixed everywhere)
• Fixed disable raindrop option on translucent vehicle windows
• Increased default sun volumetric influence to 2
• Added an option to clamp the minimum bloom intensity at night
• Ignored an original rain particle texture which was causing visual issues
• ImGui layout improvements

• Added an option (F4) to enable/disable expensive rain collision testing (disabled by default)

• Added an option (F4) to enable wetness occlusion checks and mask smoothing

• Added a feature that creates a secondary set of lights (sphere lights) on sirens to slightly illuminate the sirens themselves.
  Still not looking perfect. Remix translucent objects are hard to work with.

• Modified police, police2 and ambulance game meshes to separate siren texture from other meshes (requires FusionFix)
  This allows proper remix overwrites and they now look like this:

Remix Mod

• Shortened asset paths to fix issues with installer
• Fixed an issue where taxi's appeared too metallic
• Rain particle tweaks
• Multiple mesh and glass fixes (not a complete list, only a few examples - thanks CriticalHit_NL for reporting a bunch)

• Bergen wood texture (because why not)

Runtime

• Fixed particle system TLAS collision code
• Added per-drawcall support for an emissive scalar on translucent materials

Installation:

Install using the installer:

1. Download GTAIV-Remix-CompatibilityMod-1.1.7.zip

2. Download GTAIV-Remix-CompMod-Installer.exe

3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
   If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

6. The installer will ask you if you want to download the required base-remix-mod

7. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)

OR Install manually (no need to do this if you've used the installer):

1. Download GTAIV-Remix-CompatibilityMod-1.1.7.zip

2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
   You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.

4. Download gta4-rtx-base-mod

5. Extract the mods folder (inside of gta4-rtx-base-mod-master) into your rtx-remix folder so that the folder structure looks like this:

.  
├─ ...
├─ 📁 steamapps
│  └─📁 common
│     └─📁 Grand Theft Auto IV
│       └─📁 GTAIV
│         ├── 📜 GTAIV.exe.exe
│         ├── 📜 d3d9.dll
│         ├── 📜 ...
│         │
│         ├── 📁 rtx_comp
│         └── 📁 rtx-remix
│             └─📁 mods
│               └─📁 gta4rtx
│                 ├── 📜 comp_cars.usda
│                 ├── 📜 comp_effects.usda
│                 ├── 📜 mod.usda
│                 └── ...
└── ...  

Usage and general Info

• Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

• It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
  Try 30 for view distance and 40 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

  Press Alt + X to open the Remix menu
  Press F4 to open the Compatibility Mod menu