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Known Issues

Here is a collection of known issues with Wall Worm, 3ds Max and/or the Source Game Engine.

Latest Articles

Viewport Freezes in 3ds Max 2017+

Posted on Apr 13, 2017 | Last Updated Apr 16, 2017

The Max viewport can freeze and become unresponsive with Nitrous in DX 11.

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3ds max, viewport, freeze, hang, 2017, 2018, nitrous, directx shader, dx11

FGD Parser Problems

Posted on Dec 19, 2016 | Last Updated Dec 19, 2016

Details on known issues with the FGD parser in the free version of Wall Worm.

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entity, fgd, error

Exporting SMD/VTA with WW Pro with a Morpher Modifier

Posted on May 20, 2016 | Last Updated May 20, 2016

Sometimes WW Pro will have a problem exporting a model with a Morpher modifier if the normals cache is not being displayed properly.

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smd, vta, export, ww pro, bug, error, fix

Max Crashes When Applying a Modifier

Posted on Sep 22, 2015 | Last Updated Sep 22, 2015

3ds Max scripted modifiers crash when applied to objects if the keyboard shortcuts include any assignments to the backtick key.

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crash, modifier

Slow Closing File or 3ds Max

This problem is fixed with sculpt meshes created with WW 2.82+.
Posted on Jul 30, 2014 | Last Updated May 20, 2016

3ds Max seems to hang when closing a file with a large sculpt mesh.

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frozen, hang, slow

Unknown Bitmap Filetypes Crash VMF Exporter

Do not use bitmap filetypes that Max doesn't know how to read.
Posted on Oct 18, 2012 | Last Updated Oct 18, 2012

Using unknown bitmap types on world geometry and displacements will crash the VMF Exporter. This currently happens if using VTFs in materials in 3ds Max 2013 since there is no VTF plugin yet.

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vmf, crash, material, vtf

Displacement Texture Scale Sometimes Incorrect

Understanding Displacement Blend Texture Scale
Posted on Oct 11, 2012 | Last Updated Oct 11, 2012

This page explains one cause for displacement materials to be scaled incorrectly in Source as well as the solution. You should use bitmaps of equal dimensions in both materials controlling the Blend material.

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displacement, texture, incorrect, scale, problem, fix, blend, worldvertextransition

Incorrect Rotation on World Geometry

Fixed in WWMT 1.867
Posted on Sep 27, 2012 | Last Updated Oct 18, 2012

In earlier versions of the VMF exporter, non-rectangular faces on geometry produce inaccurate texture rotations.

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vmf, texture, rotation, uaxis, vaxis, problem, incorrect

Some PSDs can crash VTEX

PSD files created with Viewport Canvas must be converted
Posted on Jun 16, 2012 | Last Updated Jun 16, 2012

PSD files created with Viewport Canvas can sometimes crash VTEX.

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vtex, psd, crash

Brush Materials have incorrect rotation and scale when using the DirectX Shader

Posted on Apr 10, 2012 | Last Updated Apr 10, 2012

The Wall Worm Material Library Generator originally created DirectX Materials for all materials. But updates to the VMF Exporter changed the way materials are interpretted. Whenever possible, you should not use DirectX Materials.

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material, bug, directx shader, rotation, scale