To convert a SketchUp .skp file for use in Counter-Strike, you'll need to go through a multi-step process involving several tools. First, export the .skp file to a format that can be imported into the Source engine, like .vmf. Then, use the Valve Hammer Editor (Hammer) to convert the .vmf file to a .bsp (binary space partitioning) file, which is the format used for Counter-Strike levels. Finally, you'll need to generate a navigation mesh (nav) file for the level using the Counter-Strike Nav Editor (or a similar tool).
- Open your .skp file in SketchUp.
- Go to File > Export > 3D Model.
- Select a format like .dwg or .dxf for import into Hammer. You can also explore other formats like FBX, but .dwg or .dxf are commonly used.
- Download and install the SketchUp to Hammer Export plugin from Valve Developer Community. This plugin allows you to import the .dwg or .dxf file directly into Hammer.
- Open Hammer and import the file. You may need to adjust the import settings to ensure proper scaling and orientation.
- In Hammer, you'll need to create the level geometry (walls, floors, etc.) using the tools provided.
- Once your level geometry is complete, you can compile the .vmf file into a .bsp file using the "Make" or "Build" options in Hammer.
- Download and install the SketchUp to Hammer Export plugin from Valve Developer Community. This plugin allows you to import the .dwg or .dxf file directly into Hammer.
- After compiling the .bsp, you'll need to generate the navigation mesh (nav) file.
- Use the Counter-Strike Nav Editor (or a similar tool) to analyze the .bsp file and create the nav mesh. This process involves defining areas where bots can navigate, jump, and interact with the level.
- The nav mesh is saved as a .nav file and placed in the correct directory for your Counter-Strike map.
- Ensure the SketchUp to Hammer plugin is compatible with your version of SketchUp and Hammer.
- Building a Counter-Strike level requires careful consideration of gameplay mechanics, map flow, and player navigation.
- You'll need to apply textures and lighting to your level in Hammer to make it visually appealing and functional.
- Thoroughly test your map in Counter-Strike to ensure it's playable and free of bugs.