View source for MTR:Custom BVE Train Sound

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===== Note: This tutorial only covers BVE4/OpenBVE Sound =====

=== Prerequisite ===

# Basic knowledge of adding custom Minecraft sound and the json format.
# An existing BVE4/OpenBVE Train
# An Custom MTR Mod Trains (Livery included).
# Software that is capable of exporting .ogg file (e.g. Audacity)
# Bulk renaming software (e.g. PowerRename with PowerToys)

=== Process ===

# Make a copy of your BVE Train
# Find the directory of the sound folder, they're either located right in the BVE Train Folder, or there might be another Sound Folder. (They usually contains bunch of .wav file)
# If you find another sound folder, put all the sound file inside to the BVE Train Folder.
# Delete all files except '''.wav''', '''train.dat''' and '''sound.cfg'''.
# Rename all files in that folder to lowercase letter file name, you can do it with any bulk renaming software, or by manually renaming each one of them
# Add the following to sound.cfg, below <code>Version 1.0</code>

<code>[MTR]</code>

<code>MotorNoiseDataType = 4</code>

<code>MotorVolumeMultiply = 1</code>

<code>DoorCloseSoundLength = 1</code>


The end result of sound.cfg should look something like this:
[[File:MTR-BVE1.png]]
7. Rename your train folder to be lower case and without space. (You may use underscore to replace space)

'''This will be your sound ID to reference.'''

8a. Import all the sound to any audio editor and convert them to Mono Channel

8b. Export all the '''.wav/.flac''' file to '''.ogg''' file.

(For Audacity user, use '''File > Export > Export Multiple''', and choose <code>Ogg Vorbis Files</code>)


9. Copy the train folder to <code>Your Resource Pack/assets/mtr/sounds</code>. (Make the folder if it doesn't exist)

10. Make a sound.json file in <code>Your Resource Pack/assets/mtr</code> if you haven't already, an example could be found [https://github.com/jonafanho/Minecraft-Transit-Railway/blob/0daf388b7f62868502753c55a3264c545b5dd569/resources/common/normal/assets/mtr/sounds.json here].

11. Make a sound entry in sound.json of every file in <code>sound.cfg</code>, the ID should be <code>sound_id_filename</code>

Your sound.json in the end should look something like this (I used <code>kksp</code> as my train folder name):
[[File:MTR-BVE2.png.png|685x685px]]
Finally, add the following line to your custom train, replace <code>soundID</code> to your actual sound ID/Train Folder Name

<code>"bve_sound_base_id": "soundID"</code>

Your train in mtr_custom_resources.json should now look something like this:[[File:MTR-BVE3.png]]Now start your game, and everything should work.

=== Notes ===

* <code>point.ogg</code> is played whenever the train crosses a rail node, which is different from BVE's behavior (Crossing a junction). If you feel the sound doesn't fit, please remove it in sound.json
* Small motor noises will still be heard when coasting, this is to simulate train adding small bits of power to maintain it's speed.
* '''(Does not work on BVE Sound)''' You can add <code>"const_playback_speed": true</code> to your train, this will make the acceleration play back at a constant speed no matter your acceleration.