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3MFLoader: Fix parsing of assets with sub models. #30491

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Merged
Mugen87 merged 3 commits into from
Feb 10, 2025
Merged

3MFLoader: Fix parsing of assets with sub models. #30491

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b84c8f1
3MFLoader: Reversed build order to support 3MF production extension r…
Jack-J-Young Feb 9, 2025
5b8bb02
3MFLoader: Changed build order with regex to put root file last inste…
Jack-J-Young Feb 10, 2025
0a1cf19
Update 3MFLoader.js
Mugen87 Feb 10, 2025
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12 changes: 10 additions & 2 deletions examples/jsm/loaders/3MFLoader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,8 @@ class ThreeMFLoader extends Loader {

}

let rootModelFile = null;

for ( file in zip ) {

if ( file.match( /\_rels\/.rels$/ ) ) {
Expand All @@ -132,9 +134,13 @@ class ThreeMFLoader extends Loader {

modelRelsName = file;

} else if ( file.match( /^3D\/.*\.model$/ ) ) {
} else if ( file.match( /^3D\/[^\/]*\.model$/ ) ) {

rootModelFile = file ;

modelPartNames.push( file );
} else if ( file.match( /^3D\/.*\/.*\.model$/ ) ) {

modelPartNames.push( file ); // sub models

} else if ( file.match( /^3D\/Textures?\/.*/ ) ) {

Expand All @@ -144,6 +150,8 @@ class ThreeMFLoader extends Loader {

}

modelPartNames.push( rootModelFile ); // push root model at the end so it is processed after the sub models

if ( relsName === undefined ) throw new Error( 'THREE.ThreeMFLoader: Cannot find relationship file `rels` in 3MF archive.' );

//
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