[MTS] IV Render & FPS Fix

🚗 IV Render Fix

Fix invisible vehicles in Immersive Vehicles / Minecraft Transport Simulator!

IV Render Fix is a client-side rendering fix for Immersive Vehicles, also known as Minecraft Transport Simulator.

The mod is designed to prevent vehicles from becoming invisible while they are still present in the world. This can happen after teleporting, chunk reloads, returning to an area, entering first person, or when the local IV/MTS render state stops updating correctly.

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✨ Features

• 🚘 Detects loaded IV/MTS vehicles on the client

• 👁️ Restores broken local vehicle rendering

• 📦 Expands vehicle render and culling bounds

• 🔄 Refreshes model, multipart and bounding-box caches

• 🌍 Reacts to world joins, entity changes and chunk reloads

• 🧭 Helps restore vehicles after teleporting away and returning

• 🎥 Includes first-person render recovery

• 🧩 Supports compatible MTS addons and content packs

• 🛠️ Provides inspection, refresh and debug commands

• ⚙️ Includes separate parked-vehicle profiling and optimization tools

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🔧 How It Works

Minecraft renders entities separately on every player’s client.

Sometimes IV/MTS still has a vehicle loaded, but its normal rendering process no longer draws the model correctly. IV Render Fix listens to client-side events such as:

• World join

• Entity join and removal

• Chunk load and unload

• Client ticks

• Render events

• Teleports

• Dimension changes

When a loaded IV/MTS vehicle appears to have a broken local render state, the mod refreshes its rendering data and attempts to call IV/MTS’s own rendering logic again.

The mod does not create replacement vehicle models. It helps IV/MTS render its own vehicles correctly.

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🧩 MTS Addon Support

IV Render Fix also works with compatible MTS addons, vehicle packs and content packs.

The mod detects vehicles through the IV/MTS vehicle system itself, so it is not limited to vehicles from the base mod. Vehicles added by compatible MTS addons can also benefit from:

• Render-state refreshes

• Model and multipart cache rebuilding

• Bounding-box recovery

• Expanded culling bounds

• Teleport and chunk-reload fixes

Every player must still use the same addon and content-pack versions as the server.

The mod cannot display addon vehicles when the required models, textures or content packs are missing from the client.

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💻 Commands

/ivrenderfix status

Shows the current status of the render-fix system.

/ivrenderfix inspect

Inspects loaded IV/MTS vehicles and their local render state.

/ivrenderfix refresh

Refreshes the targeted or nearby vehicle.

/ivrenderfix refreshall

Finds all loaded IV/MTS vehicles on your client and refreshes their local render state.

/ivrenderfix debug

Enables or disables additional debugging information.

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⚠️ Important Installation Information

The mod must be installed in the mods folder of every player experiencing invisible vehicles.

Installing it only on the server will not fix client-side rendering problems.

Every player must also use:

• The same IV/MTS version

• The same MTS addon versions

• The same vehicle and content packs

• Compatible versions of all required packs

• Matching vehicle models and textures

Without the correct content pack, the vehicle assets do not exist on the client. IV Render Fix cannot recreate missing models or textures.

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🖥️ Client and Server

The main invisible-vehicle fix is client-side.

The mod also includes separate server-side profiling and optimization features for parked vehicles. These systems are independent from the client render fix.

For invisible vehicles, the mod must be installed on every affected client.

For the parked-vehicle optimization features, installation on the server is also required.

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📋 Requirements

• Immersive Vehicles / Minecraft Transport Simulator

• The correct MTS addons and content packs

• Matching versions between the client and server

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✅ What This Mod May Fix

IV Render Fix may help when vehicles become invisible:

• After teleporting

• After leaving and returning to an area

• After chunks unload and reload

• After changing dimensions

• While sitting inside a vehicle

• In first-person view

• After reconnecting

• When many vehicles are loaded

• When local model or multipart caches become outdated

• When Minecraft incorrectly culls a vehicle

• When vehicles from MTS addons stop rendering

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🚫 What This Mod Cannot Fix

The mod cannot restore vehicles when:

• The required content pack is missing

• The required MTS addon is missing

• Vehicle models or textures are broken

• The client and server use different pack versions

• The vehicle was actually removed from the server

• The installed IV/MTS version is incompatible

• Another mod completely prevents IV/MTS rendering

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📝 Summary

IV Render Fix keeps IV/MTS vehicles visible by refreshing broken client-side render states, rebuilding local caches and improving vehicle culling behavior.

It supports both regular IV/MTS vehicles and vehicles from compatible MTS addons and content packs, making it especially useful for servers and modpacks where vehicles sometimes disappear after teleporting, chunk reloads or first-person use.

⚠️ Disclaimer

IV Render Fix is an unofficial third-party compatibility and rendering fix
for Immersive Vehicles / Minecraft Transport Simulator.

This mod only attempts to fix vehicles becoming invisible on the client.
It does not include, modify or redistribute Immersive Vehicles, its source
code, vehicle models, textures or content packs.

Immersive Vehicles must be downloaded and installed separately.

This project is not affiliated with, endorsed by or maintained by the
Immersive Vehicles development team.