Hmmsim 2

BVE Add-On

In Hmmsim, you can add Add-Ons from BVE Trainsim.
BVE Trainsim is a freeware train simulation game for PC developed by Mackoy in Japan.
You can find more details of BVE Trainsim in

To add Add-Ons in Hmmsim, you must have a converting process.
In this process, those ones will be converted : Textures that doesn't support mobile platforms,
Transparent textures to optimize in mobile platforms, Direct X object formats,
Also, to optimize in iOS platform, all folders and files will be converted to small letters in English.

Here are lists of Add-On lists that the developer recommends.
All these are acceptably suitable to Hmmsim, optimized for mobile platform.
Go to the links to download addons, and then play them in Hmmsim via converting.

Recommend Recommend Recommend Recommend
Seoul Metro Line 1
Seoul Metro Line 4
Busan Metro Line 1
Tokyo Metro Tozai Line
Recommend Recommend
Birmingham Cross-City First Brno Track

Also, many other BVE Add-Ons are available throughout the world.

Converter Download

Now, the latest version of converter is 0.7.3.
If you are using the lower (earlier) version of it, please download the latest version.

Download 0.7.3 here : from OneDrive or, from DropBox

If converter doesn't start, install C++ Redistributable Package and then start the converter again.

Download and Install : C++ Redistributable Package

Ranges of Converter compatibility

1. Compatibility with BVE 2, 4

Basically, Hmmsim is compatible with BVE 2 and 4.
but, not with Add-Ons for ONLY BVE 5 and OpenBVE.

You can check lists of compatibles in Add-On commands and BVE versions in Add-On Compatibles page.

2. Folder and File names

Converter can recognize English folder names and file names.
Folders and files not named in English among Add-On resources will be automatically converted in any English.

3. Differences among devices

Add-Ons which require a lot of resources such as DP Call of Object, Fill-Rate of Texture, may not work well.
In cases, you will additionally need to optimize Add-Ons to fit well in mobile.

How to use Converter

BVE to Hmmsim

(1) Route File(s) : Choose BVE Add-On Route file to convert.
(2) Output File : Choose where the converted route/file is saved.
(3) Texture Max Size : Designate the max size of texture. If the size exceeds, then it will be automatically converted.
(4) Texture Reduce : Reduces all textures. If 1, it maintains the original size, if 2, the size will be reduced to half of original.
(5) Reduce Min Size : Designate the min size of texture when reduced.

BVE to Hmmsim

At first, choose Route file of BVE Add-On to convert.
Basically, Route files are located in Railway/Route/ Folder, based on BVE structure.

You can select multiple Route files, it Add-On has multiple routes.

BVE to Hmmsim

And then, choose the location to save the converted file.

BVE to Hmmsim

Also, Choose the name of ZIP file and set the location to save it.

BVE to Hmmsim

Now, click "Convert" button to do the converting.
While working, the convert button will be deactivated.

BVE to Hmmsim

If "Converting Finished" is shown in Log display, then, the converting is done.
Also, the Convert button returns to activate.

BVE to Hmmsim

Should the frame in Hmmsim is low after Add-On activated, then, set Texture reduce gauge and retry.

How to apply Add-On

1. iOS

Add-On iOS

At first, connect your iOS device to PC, and run iTunes.
Go to the connected device page and click App menu.

Add-On iOS

Click Hmmsim icon in File sharing.

Add-On iOS

In Hmmsim document, add converted Add-On Zip files.
You can use add button or drag&drop.

By pressing Delete key, you can delete added Add-Ons.

2. Android

Save in Internal storage

"In Internal storage" means "/mnt/sdcard/" directory.

Most of brand-new android devices will have "/mnt/sdcard/" in-internal-storage directory.

Add-On Android

At first, connect android device to PC
If connected, access "Internal Storage".

Add-On Android

Make a new folder in the storage and name it "Hmmsim".

Add-On Android

In "Hmmsim" folder, save converted Add-On Zip file.
Now, clear the connection to PC and run "Hmmsim" to check.


BVE Add-On added normally

Known Issues

1. DirectX Error

Converting Issue

If this error message is shown, the converter doesn't run properly, so it will be shut down automatically.
Try again after installing up-to-date DirectX version.

2. Compress Failed

If compress failed or zip file is not made, check whether the location is able to store file.
Normally, 'Desktop' will do.

List of compatibles and Add-On Developments

Add-On Compatibles Page
Add-On Development Page

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