Portal 2 custom models

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January 2024

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About

Note:This article is not for the creation of custom models for Portal 2. Click here to learn how to create models.

Studiomdl does not recognize exports made by SMD Exporter. This guide will show the steps to allow Studiomdl to recognize these files.

Reference Code

This is the .smd file that Studiomdl recognizes in the Portal 2 folder:

version 1
nodes
  0 "static_prop" -1
end

skeleton
time 0
  0 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000
end

triangles
  combine_panel001.bmp
    0 58.059105 -108.627701 38.488201 0.072002 0.023401 0.997130 0.289500 -0.998100
    0 52.870804 -94.276199 38.526199 0.072002 0.023401 0.997130 0.316600 -0.998100
    0 45.461502 -78.973999 38.702400 0.072002 0.023401 0.997130 0.355300 -0.998100
  combine_panel001.bmp
    0 73.021011 -99.157303 38.303902 -0.270688 -0.028099 0.962257 0.211300 -0.998100
    0 74.424805 -114.241302 38.257702 -0.269592 0.002400 0.962972 0.203900 -0.998100
    0 75.247810 -114.277496 38.488201 -0.275013 0.013601 0.961344 0.199600 -0.998100
  combine_panel001.bmp
    ...
end

No nodes other than 0 "static_prop" -1 and (for props):

skeleton
  time 0
  0 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000
end

Here is the .qc file:

 $cd "..."
 $modelname "Combine_Room\combine_wire001.mdl"
 $model "Body" "combine_wire001_reference.smd"
 $lod 10
  {
   replacemodel "combine_wire001_reference" "lod1_combine_wire001_reference"
 }
 $lod 15
  {
   replacemodel "combine_wire001_reference" "lod2_combine_wire001_reference"
 }
 $lod 20
 {
   replacemodel "combine_wire001_reference" "lod3_combine_wire001_reference" 
 }
 $lod 25
 {
  replacemodel "combine_wire001_reference" "lod4_combine_wire001_reference"
 }
 $cdmaterials "models\combine_room/"
 $hboxset "default"
 $hbox 0 "static_prop" -77.137  -173.657  -40.269  77.137  173.657  40.269
 // Model uses material "combine_panel001.vmt"
 $surfaceprop "metal"
 $illumposition 0.000 0.000 0.000
 $sequence idle "idle" fps 30.00
 $collisionmodel "phymodel.smd" 
 {
 	$concave
 	$mass 30.0
 	$inertia 1.00
 	$damping 0.00
 	$rotdamping 0.00
 }

$lod and $hbox and $collisionmodel are unnecessary, so here are the bare-bones to get your model into Hammer:

 $cd "..."
 $modelname "Combine_Room\combine_wire001.mdl"
 $model "Body" "combine_wire001_reference.smd"
 $cdmaterials "models\combine_room/"
 $hboxset "default"
 $surfaceprop "metal"
 $illumposition 0.000 0.000 0.000
 $sequence idle "idle" fps 30.00

Finally, to get the model into Hammer, you need the file called idle.smd:

version 1
  nodes
    0 "static_prop" -1
end
skeleton
  time 0
    0 0.000000 0.000000 0.000000 0.000000 -0.000000 0.000000
  time 1
    0 0.000000 0.000000 0.000000 0.000000 -0.000000 0.000000
end