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Edit Marine Model for Alien Swarm: Reactive Drop

By Dmitriy

This guide will show you the basics of modifying marine's model for Alien Swarm and Reactive Drop.

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Created by

Dmitriy
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Category: Modding or Configuration

Languages: English

Posted

12 Jul, 2017 @ 4:36am

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29	Current Favorites

Guide Index

Overview

Install Alien Swarm: Reactive Drop SDK

Edit the Model

Compile the Model

Test the Model in Game

Comments

Install Alien Swarm: Reactive Drop SDK

Go into Steam - Library - Tools and in the list of tools find Alien Swarm: Reactive Drop SDK. Right click it and choose Install.

Edit the Model

All the necessary files for marine and female marine models are shipped with the SDK:

D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\sdk_content\modelsrc\swarm\marine

Marine.dmx is the model itself, this is what you want to edit. Import this file into a model editing software of choice and edit the mesh. Export it back to the Marine.dmx.

Compile the Model

Open the Windows Command Prompt(cmd.exe)

To compile the model execute this command

"D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\bin\studiomdl.exe" -game "D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\reactivedrop" "D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\sdk_content\modelsrc\swarm\marine\_Marine.qc"

The model will be placed in your game folder

D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\reactivedrop\models\swarm\marine

Test the Model in Game

To test it in-game you need to add a startup argument for RD

-override_vpk

Go into Steam - Library right click on Alien Swarm: Reactive Drop and choose Properties. Click on Set Startup Arguments button and input the above command.

Launch the game, load any map and observe your model.
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=972595812

13 Comments

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Dmitriy [author] 6 Nov, 2022 @ 2:00pm

Can't make new classes like this. You can write a suggestion in game's discussions section

CapeConTTV 6 Nov, 2022 @ 12:25pm

Can new unique classes be made through modding? Or are we stuck with 4 classes?

Dmitriy [author] 15 May, 2020 @ 9:21am

probably yes, you could ask this on forum, marine addon authors know better

Captain Pentium 15 May, 2020 @ 8:50am

So when you're de-compiling marines, is it best to put the male and female decompiled files into separate folders and reunite them after editing and recompiling or does it matter?

geeworm 30 Mar, 2019 @ 1:40am

I swear to god I hope this isn't dead. I'm having a crap time trying to copy/paste the command and all it says is The system cannot find the path specified.

geeworm 30 Mar, 2019 @ 1:32am

Or is it that I need to directly compile the model from the .qc itself to stop it from crashing? I will try to do it and see if that works.

geeworm 30 Mar, 2019 @ 1:29am

I compiled a drone replacement file in .vpk and for some reason they are invisible and crash the game. How do I resolve this?

FirePenguin 1 Nov, 2017 @ 3:22pm

I coby and pasted the example that you "told me" to execute:
"D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\bin\studiomdl.exe" -game "D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\reactivedrop" "D:\Games\Steam\steamapps\common\Alien Swarm Reactive Drop\sdk_content\modelsrc\swarm\marine\_Marine.qc"

Quote marks and all. This is what i pasted. Hope this helps and I will check out the link that you gave!

Dmitriy [author] 1 Nov, 2017 @ 1:57pm

Sure, ask this question in our Modding subforum and we'll try to figure it out:
https://steamhost.cn/steamcommunity_com/app/563560/discussions/1/
Please specify which exact command are you putting into cmd.exe

FirePenguin 1 Nov, 2017 @ 1:30pm

Hi, I'm having a problem with Compiling the model.
When ever I enter the command in cmd.exe I get this message "The system cannot find the path specified."
I have no idea what this means. I've checked in the files and the file that's trying to be found is there, in the exact same destination.
I don't know what's going on so can someone please help :)

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