57 lines
1.7 KiB
JavaScript
57 lines
1.7 KiB
JavaScript
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// this holds all the URI Template variables (https://www.rfc-editor.org/rfc/rfc6570)
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xrf.addEventListener('parseModel', (opts) => {
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let {model,url,file} = opts
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if( model.isSRC || opts.isSRC ) return // ignore SRC models
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xrf.URI.vars = new Proxy({},{
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set(me,k,v){ me[k] = v },
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get(me,k ){
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if( k == '__object' ){
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let obj = {}
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for( let i in xrf.URI.vars ) obj[i] = xrf.URI.vars[i]()
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return obj
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}
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return me[k]
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},
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})
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model.scene.traverse( (n) => {
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if( n.userData ){
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for( let i in n.userData ){
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if( i[0] == '#' || i.match(/^(href|src|tag)$/) ) continue // ignore XR Fragment aliases
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xrf.URI.vars[i] = () => n.userData[i]
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}
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}
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})
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})
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xrf.addEventListener('dynamicKeyValue', (opts) => {
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// select active camera if any
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let {id,match,v} = opts
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if( !v.is( xrf.XRF.CUSTOMFRAG) ) return // only process custom frags from here
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// check if fragment is an objectname
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if( match.length > 0 ){
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xrf.frag.dynamic.material(v,opts)
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}else{
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if( !xrf.URI.vars[ v.string ] ) return // only assign to known values
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xrf.URI.vars[ id ] = xrf.URI.vars[ v.string ] // update var
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if( xrf.debug ) console.log(`URI.vars[${id}]='${v.string}'`)
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xrf.scene.traverse( (n) => { // reflect new changes
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if( n.userData && n.userData.src && n.userData.srcTemplate ){
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let srcOldFragments = n.userData.src.replace(/.*#/,'')
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let srcNewFragments = xrf.frag.src.expandURI( n ).replace(/.*#/,'')
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if( srcOldFragments != srcNewFragments ){
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console.log(`URI.vars[${id}] => updating ${n.name}`)
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let frag = xrf.hashbus.pub( srcNewFragments, n )
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}
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}
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})
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}
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})
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