Garry's Mod
Garry's Mod

Porting Content from Other Source Games

Learn to port Source game content to Garry's Mod: models, textures, sounds using tools like GCFScape, Crowbar, and Blender for custom assets.

Porting Content from Other Source Games

Garry's Mod, built on the Source engine, allows for the seamless integration of assets from other Source engine games. Porting content such as models, textures, and sounds can sificantly expand the variety of props, characters, and environments available for your creations, enriching the sandbox experience.

The process of porting content involves extracting assets from the game files of another Source title and converting them into a format that Garry's Mod can understand. This typically requires specialized tools and a basic understanding of file structures and model formats. The most common content ported includes player models, props, weapons, and environmental assets.

Essential Tools for Porting

Several tools are indispensable for porting content:

  • GCFScape: Used to open and extract game archives (VPK files) from Source games.
  • Crowbar: A versatile tool for decompiling and compiling Source engine models (.mdl files). It can convert .smd files to .mdl and vice-versa, and also handle animations.
  • Blender (with Source Tools Addon): A powerful 3D modeling software that, with the Source Tools addon, can import and export Source engine model formats (.smd, .fbx).
  • VTFEdit: For converting texture files (.vtf) to and from image formats like .png or .tga.
  • Image Editing Software (e.g., Photoshop, GIMP): To edit or create texture files.

The Porting Process (Models)

The general workflow for porting a model is as follows:

  1. Extract the Model: Use GCFScape to extract the desired .mdl file and its associated .vtf texture files from the source game's VPK archives.
  2. Decompile the Model: Use Crowbar or Blender's Source Tools to decompile the .mdl file into an .smd (Source Model) file. This separates the mesh, rigging, and animations.
  3. Edit/Prepare the Model (Optional): If necessary, you can import the .smd file into Blender to edit the mesh, re-rig it, or adjust UV maps.
  4. Convert Textures: Use VTFEdit to open the .vtf files and export them as .png or .tga. You can then edit these in an image editor and re-import them using VTFEdit to create new .vtf files.
  5. Compile the Model: Use Crowbar or Blender's Source Tools to compile the .smd file back into a .mdl file. Ensure you have the correct model format for Garry's Mod.
  6. Place in Garry's Mod: Place the compiled .mdl file and its corresponding .vtf texture files into the appropriate folders within your Garry's Mod addons directory (e.g., garrysmod/addons/your_addon_name/models/your_model_folder/).

Porting Textures and Sounds

Porting textures is generally straightforward: extract the .vtf files and place them in the correct texture path within your addon. For sounds, extract the .wav files and place them in your addon's sound directory.

Important Considerations

  • Copyright and Permissions: Always respect the intellectual property rights of the original creators. Only port content if you have permission or if it's explicitly allowed for modification and redistribution.
  • File Paths: Ensure that the file paths for your models and textures within your addon are correct, as Garry's Mod relies on these paths to load assets.
  • Model Complexity: Very high- models or complex animations may impact performance. Optimize where possible.

Porting content can be a complex but rewarding process, allowing you to inject a vast amount of new assets into your Garry's Mod experience.