{"mappings":";AAAA,OACC,iBAAAA,GACA,QAAAC,GACA,QAAAC,GACA,mBAAAC,EACA,kBAAAC,GACA,uBAAAC,GACA,SAAAC,EACA,mBAAAC,GACA,oBAAAC,GACA,cAAAC,GACA,cAAAC,GACA,aAAAC,GACA,SAAAC,EACA,qBAAAC,GACA,iBAAAC,GACA,qBAAAC,GACA,8BAAAC,GACA,eAAAC,GACA,uBAAAC,GACA,qBAAAC,GACA,QAAAC,GACA,qBAAAC,GACA,YAAAC,GACA,gBAAAC,GACA,gBAAAC,GACA,4BAAAC,GACA,6BAAAC,GACA,wBAAAC,EACA,UAAAC,GACA,eAAAC,EACA,YAAAC,EACA,aAAAC,GACA,WAAAC,EACA,QAAAC,GACA,qBAAAC,EACA,wBAAAC,EACA,wBAAAC,GACA,0BAAAC,GACA,iBAAAC,GACA,6BAAAC,GACA,8BAAAC,GACA,uBAAAC,GACA,YAAAC,GACA,sBAAAC,GACA,qBAAAC,GACA,cAAAC,GACA,UAAAC,GACA,kBAAAC,GACA,mBAAAC,GACA,cAAAC,GACA,2BAAAC,GACA,kBAAAC,EACA,YAAAC,GACA,eAAAC,GACA,UAAAC,GACA,aAAAC,GACA,WAAAC,GACA,iBAAAC,GACA,uBAAAC,GACA,yBAAAC,GACA,WAAAC,GACA,WAAAC,EACA,uBAAAC,GACA,kBAAAC,EACA,4BAAAC,OACM,kCClEP,OACC,mBAAAC,GACA,kBAAAC,GACA,0BAAAC,GACA,4BAAAC,GACA,qBAAAC,GACA,8BAAAC,GACA,uBAAAC,GACA,yBAAAC,GACA,qBAAAC,GACA,WAAAC,OACM,kCA8tBP,SAASC,EAAqBC,EAAUC,EAAW,CAElD,GAAKA,IAAaC,GAEjB,eAAQ,KAAM,yFAA0F,EACjGF,EAIR,GAAKC,IAAaE,IAAuBF,IAAaG,GAAwB,CAE7E,IAAIC,EAAQL,EAAS,SAAS,EAI9B,GAAKK,IAAU,KAAO,CAErB,IAAMC,EAAU,CAAC,EAEXC,EAAWP,EAAS,aAAc,UAAW,EAEnD,GAAKO,IAAa,OAAY,CAE7B,QAAU,EAAI,EAAG,EAAIA,EAAS,MAAO,IAEpCD,EAAQ,KAAM,CAAE,EAIjBN,EAAS,SAAUM,CAAQ,EAC3BD,EAAQL,EAAS,SAAS,CAE3B,KAEC,gBAAQ,MAAO,yGAA0G,EAClHA,CAIT,CAIA,IAAMQ,EAAoBH,EAAM,MAAQ,EAClCI,EAAa,CAAC,EAEpB,GAAKR,IAAaE,GAIjB,QAAUO,EAAI,EAAGA,GAAKF,EAAmBE,IAExCD,EAAW,KAAMJ,EAAM,KAAM,CAAE,CAAE,EACjCI,EAAW,KAAMJ,EAAM,KAAMK,CAAE,CAAE,EACjCD,EAAW,KAAMJ,EAAM,KAAMK,EAAI,CAAE,CAAE,MAQtC,SAAUA,EAAI,EAAGA,EAAIF,EAAmBE,IAElCA,EAAI,IAAM,GAEdD,EAAW,KAAMJ,EAAM,KAAMK,CAAE,CAAE,EACjCD,EAAW,KAAMJ,EAAM,KAAMK,EAAI,CAAE,CAAE,EACrCD,EAAW,KAAMJ,EAAM,KAAMK,EAAI,CAAE,CAAE,IAIrCD,EAAW,KAAMJ,EAAM,KAAMK,EAAI,CAAE,CAAE,EACrCD,EAAW,KAAMJ,EAAM,KAAMK,EAAI,CAAE,CAAE,EACrCD,EAAW,KAAMJ,EAAM,KAAMK,CAAE,CAAE,GAQ7BD,EAAW,OAAS,IAAQD,GAElC,QAAQ,MAAO,kGAAmG,EAMnH,IAAMG,EAAcX,EAAS,MAAM,EACnC,OAAAW,EAAY,SAAUF,CAAW,EACjCE,EAAY,YAAY,EAEjBA,CAER,KAEC,gBAAQ,MAAO,sEAAuEV,CAAS,EACxFD,CAIT,CD3wBA,IAAMY,GAAN,cAAyBC,EAAO,CAE/B,YAAaC,EAAU,CAEtB,MAAOA,CAAQ,EAEf,KAAK,YAAc,KACnB,KAAK,WAAa,KAClB,KAAK,eAAiB,KAEtB,KAAK,gBAAkB,CAAC,EAExB,KAAK,SAAU,SAAWC,EAAS,CAElC,OAAO,IAAIC,GAAiCD,CAAO,CAEpD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIE,GAA4BF,CAAO,CAE/C,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIG,GAA0BH,CAAO,CAE7C,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAII,GAA0BJ,CAAO,CAE7C,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIK,GAA6BL,CAAO,CAEhD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIM,GAAoCN,CAAO,CAEvD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIO,GAA8BP,CAAO,CAEjD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIQ,GAA2BR,CAAO,CAE9C,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIS,EAAwCT,CAAO,CAE3D,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIU,GAAgCV,CAAO,CAEnD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIW,GAAmCX,CAAO,CAEtD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIY,GAAkCZ,CAAO,CAErD,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIa,GAA4Bb,CAAO,CAE/C,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIc,EAAqBd,CAAO,CAExC,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIe,GAAwBf,CAAO,CAE3C,CAAE,EAEF,KAAK,SAAU,SAAWA,EAAS,CAElC,OAAO,IAAIgB,GAAuBhB,CAAO,CAE1C,CAAE,CAEH,CAEA,KAAMiB,EAAKC,EAAQC,EAAYC,EAAU,CAExC,IAAMC,EAAQ,KAEVC,EAEJ,GAAK,KAAK,eAAiB,GAE1BA,EAAe,KAAK,qBAET,KAAK,OAAS,GAAK,CAO9B,IAAMC,EAAcC,EAAY,eAAgBP,CAAI,EACpDK,EAAeE,EAAY,WAAYD,EAAa,KAAK,IAAK,CAE/D,MAECD,EAAeE,EAAY,eAAgBP,CAAI,EAOhD,KAAK,QAAQ,UAAWA,CAAI,EAE5B,IAAMQ,EAAW,SAAWC,EAAI,CAE1BN,EAEJA,EAASM,CAAE,EAIX,QAAQ,MAAOA,CAAE,EAIlBL,EAAM,QAAQ,UAAWJ,CAAI,EAC7BI,EAAM,QAAQ,QAASJ,CAAI,CAE5B,EAEMU,EAAS,IAAIC,GAAY,KAAK,OAAQ,EAE5CD,EAAO,QAAS,KAAK,IAAK,EAC1BA,EAAO,gBAAiB,aAAc,EACtCA,EAAO,iBAAkB,KAAK,aAAc,EAC5CA,EAAO,mBAAoB,KAAK,eAAgB,EAEhDA,EAAO,KAAMV,EAAK,SAAWY,EAAO,CAEnC,GAAI,CAEHR,EAAM,MAAOQ,EAAMP,EAAc,SAAWQ,EAAO,CAElDZ,EAAQY,CAAK,EAEbT,EAAM,QAAQ,QAASJ,CAAI,CAE5B,EAAGQ,CAAS,CAEb,OAAUC,EAAI,CAEbD,EAAUC,CAAE,CAEb,CAED,EAAGP,EAAYM,CAAS,CAEzB,CAEA,eAAgBM,EAAc,CAE7B,YAAK,YAAcA,EACZ,IAER,CAEA,cAAe,CAEd,MAAM,IAAI,MAET,kGAED,CAED,CAEA,cAAeC,EAAa,CAE3B,YAAK,WAAaA,EACX,IAER,CAEA,kBAAmBC,EAAiB,CAEnC,YAAK,eAAiBA,EACf,IAER,CAEA,SAAUC,EAAW,CAEpB,OAAK,KAAK,gBAAgB,QAASA,CAAS,IAAM,IAEjD,KAAK,gBAAgB,KAAMA,CAAS,EAI9B,IAER,CAEA,WAAYA,EAAW,CAEtB,OAAK,KAAK,gBAAgB,QAASA,CAAS,IAAM,IAEjD,KAAK,gBAAgB,OAAQ,KAAK,gBAAgB,QAASA,CAAS,EAAG,CAAE,EAInE,IAER,CAEA,MAAOL,EAAMM,EAAMjB,EAAQE,EAAU,CAEpC,IAAIgB,EACEC,EAAa,CAAC,EACdC,EAAU,CAAC,EACXC,EAAc,IAAI,YAExB,GAAK,OAAOV,GAAS,SAEpBO,EAAO,KAAK,MAAOP,CAAK,UAEbA,aAAgB,YAI3B,GAFcU,EAAY,OAAQ,IAAI,WAAYV,EAAM,EAAG,CAAE,CAAE,IAEhDW,GAAgC,CAE9C,GAAI,CAEHH,EAAYI,EAAW,eAAgB,EAAI,IAAIC,GAAqBb,CAAK,CAE1E,OAAUc,EAAQ,CAEZvB,GAAUA,EAASuB,CAAM,EAC9B,MAED,CAEAP,EAAO,KAAK,MAAOC,EAAYI,EAAW,eAAgB,EAAE,OAAQ,CAErE,MAECL,EAAO,KAAK,MAAOG,EAAY,OAAQV,CAAK,CAAE,OAM/CO,EAAOP,EAIR,GAAKO,EAAK,QAAU,QAAaA,EAAK,MAAM,QAAS,CAAE,EAAI,EAAI,CAEzDhB,GAAUA,EAAS,IAAI,MAAO,yEAA0E,CAAE,EAC/G,MAED,CAEA,IAAMpB,EAAS,IAAI4C,GAAYR,EAAM,CAEpC,KAAMD,GAAQ,KAAK,cAAgB,GACnC,YAAa,KAAK,YAClB,cAAe,KAAK,cACpB,QAAS,KAAK,QACd,WAAY,KAAK,WACjB,eAAgB,KAAK,cAEtB,CAAE,EAEFnC,EAAO,WAAW,iBAAkB,KAAK,aAAc,EAEvD,QAAU6C,EAAI,EAAGA,EAAI,KAAK,gBAAgB,OAAQA,IAAO,CAExD,IAAMC,EAAS,KAAK,gBAAiBD,CAAE,EAAG7C,CAAO,EAE1C8C,EAAO,MAAO,QAAQ,MAAO,sDAAuD,EAE3FR,EAASQ,EAAO,IAAK,EAAIA,EAMzBT,EAAYS,EAAO,IAAK,EAAI,EAE7B,CAEA,GAAKV,EAAK,eAET,QAAUS,EAAI,EAAGA,EAAIT,EAAK,eAAe,OAAQ,EAAGS,EAAI,CAEvD,IAAME,EAAgBX,EAAK,eAAgBS,CAAE,EACvCG,EAAqBZ,EAAK,oBAAsB,CAAC,EAEvD,OAASW,EAAgB,CAExB,KAAKN,EAAW,oBACfJ,EAAYU,CAAc,EAAI,IAAIE,EAClC,MAED,KAAKR,EAAW,2BACfJ,EAAYU,CAAc,EAAI,IAAIG,GAAmCd,EAAM,KAAK,WAAY,EAC5F,MAED,KAAKK,EAAW,sBACfJ,EAAYU,CAAc,EAAI,IAAII,GAClC,MAED,KAAKV,EAAW,sBACfJ,EAAYU,CAAc,EAAI,IAAIK,GAClC,MAED,QAEMJ,EAAmB,QAASD,CAAc,GAAK,GAAKT,EAASS,CAAc,IAAM,QAErF,QAAQ,KAAM,wCAA0CA,EAAgB,IAAK,CAIhF,CAED,CAID/C,EAAO,cAAeqC,CAAW,EACjCrC,EAAO,WAAYsC,CAAQ,EAC3BtC,EAAO,MAAOkB,EAAQE,CAAQ,CAE/B,CAEA,WAAYS,EAAMM,EAAO,CAExB,IAAMd,EAAQ,KAEd,OAAO,IAAI,QAAS,SAAWgC,EAASC,EAAS,CAEhDjC,EAAM,MAAOQ,EAAMM,EAAMkB,EAASC,CAAO,CAE1C,CAAE,CAEH,CAED,EAIA,SAASC,IAAe,CAEvB,IAAIC,EAAU,CAAC,EAEf,MAAO,CAEN,IAAK,SAAWC,EAAM,CAErB,OAAOD,EAASC,CAAI,CAErB,EAEA,IAAK,SAAWA,EAAKC,EAAS,CAE7BF,EAASC,CAAI,EAAIC,CAElB,EAEA,OAAQ,SAAWD,EAAM,CAExB,OAAOD,EAASC,CAAI,CAErB,EAEA,UAAW,UAAY,CAEtBD,EAAU,CAAC,CAEZ,CAED,CAED,CAMA,IAAMf,EAAa,CAClB,gBAAiB,kBACjB,2BAA4B,6BAC5B,oBAAqB,sBACrB,wBAAyB,0BACzB,kBAAmB,oBACnB,oBAAqB,sBACrB,uBAAwB,yBACxB,2BAA4B,6BAC5B,0BAA2B,4BAC3B,yBAA0B,2BAC1B,oBAAqB,sBACrB,qBAAsB,uBACtB,mBAAoB,qBACpB,sBAAuB,wBACvB,sBAAuB,wBACvB,gCAAiC,kCACjC,mBAAoB,qBACpB,iBAAkB,mBAClB,iBAAkB,mBAClB,wBAAyB,0BACzB,wBAAyB,yBAC1B,EAOM3B,EAAN,KAA0B,CAEzB,YAAad,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,oBAGvB,KAAK,MAAQ,CAAE,KAAM,CAAC,EAAG,KAAM,CAAC,CAAE,CAEnC,CAEA,WAAY,CAEX,IAAMzC,EAAS,KAAK,OACd2D,EAAW,KAAK,OAAO,KAAK,OAAS,CAAC,EAE5C,QAAUC,EAAY,EAAGC,EAAaF,EAAS,OAAQC,EAAYC,EAAYD,IAAe,CAE7F,IAAME,EAAUH,EAAUC,CAAU,EAE/BE,EAAQ,YACRA,EAAQ,WAAY,KAAK,IAAK,GAC9BA,EAAQ,WAAY,KAAK,IAAK,EAAE,QAAU,QAE9C9D,EAAO,YAAa,KAAK,MAAO8D,EAAQ,WAAY,KAAK,IAAK,EAAE,KAAM,CAIxE,CAED,CAEA,WAAYC,EAAa,CAExB,IAAM/D,EAAS,KAAK,OACdgE,EAAW,SAAWD,EACxBE,EAAajE,EAAO,MAAM,IAAKgE,CAAS,EAE5C,GAAKC,EAAa,OAAOA,EAEzB,IAAM7B,EAAOpC,EAAO,KAGdkE,IAFe9B,EAAK,YAAcA,EAAK,WAAY,KAAK,IAAK,GAAO,CAAC,GAC9C,QAAU,CAAC,GACZ2B,CAAW,EACnCI,EAEEC,EAAQ,IAAIC,EAAO,QAAS,EAE7BH,EAAS,QAAU,QAAYE,EAAM,OAAQF,EAAS,MAAO,CAAE,EAAGA,EAAS,MAAO,CAAE,EAAGA,EAAS,MAAO,CAAE,EAAGI,CAAqB,EAEtI,IAAMC,EAAQL,EAAS,QAAU,OAAYA,EAAS,MAAQ,EAE9D,OAASA,EAAS,KAAO,CAExB,IAAK,cACJC,EAAY,IAAIK,GAAkBJ,CAAM,EACxCD,EAAU,OAAO,SAAS,IAAK,EAAG,EAAG,EAAI,EACzCA,EAAU,IAAKA,EAAU,MAAO,EAChC,MAED,IAAK,QACJA,EAAY,IAAIM,GAAYL,CAAM,EAClCD,EAAU,SAAWI,EACrB,MAED,IAAK,OACJJ,EAAY,IAAIO,GAAWN,CAAM,EACjCD,EAAU,SAAWI,EAErBL,EAAS,KAAOA,EAAS,MAAQ,CAAC,EAClCA,EAAS,KAAK,eAAiBA,EAAS,KAAK,iBAAmB,OAAYA,EAAS,KAAK,eAAiB,EAC3GA,EAAS,KAAK,eAAiBA,EAAS,KAAK,iBAAmB,OAAYA,EAAS,KAAK,eAAiB,KAAK,GAAK,EACrHC,EAAU,MAAQD,EAAS,KAAK,eAChCC,EAAU,SAAW,EAAMD,EAAS,KAAK,eAAiBA,EAAS,KAAK,eACxEC,EAAU,OAAO,SAAS,IAAK,EAAG,EAAG,EAAI,EACzCA,EAAU,IAAKA,EAAU,MAAO,EAChC,MAED,QACC,MAAM,IAAI,MAAO,4CAA8CD,EAAS,IAAK,CAE/E,CAIA,OAAAC,EAAU,SAAS,IAAK,EAAG,EAAG,CAAE,EAEhCA,EAAU,MAAQ,EAElBQ,EAAwBR,EAAWD,CAAS,EAEvCA,EAAS,YAAc,SAAYC,EAAU,UAAYD,EAAS,WAEvEC,EAAU,KAAOnE,EAAO,iBAAkBkE,EAAS,MAAU,SAAWH,CAAa,EAErFE,EAAa,QAAQ,QAASE,CAAU,EAExCnE,EAAO,MAAM,IAAKgE,EAAUC,CAAW,EAEhCA,CAER,CAEA,cAAeW,EAAMC,EAAQ,CAE5B,GAAKD,IAAS,QAEd,OAAO,KAAK,WAAYC,CAAM,CAE/B,CAEA,qBAAsBjB,EAAY,CAEjC,IAAMkB,EAAO,KACP9E,EAAS,KAAK,OAEd8D,EADO9D,EAAO,KACC,MAAO4D,CAAU,EAEhCG,GADaD,EAAQ,YAAcA,EAAQ,WAAY,KAAK,IAAK,GAAO,CAAC,GACnD,MAE5B,OAAKC,IAAe,OAAmB,KAEhC,KAAK,WAAYA,CAAW,EAAE,KAAM,SAAWgB,EAAQ,CAE7D,OAAO/E,EAAO,YAAa8E,EAAK,MAAOf,EAAYgB,CAAM,CAE1D,CAAE,CAEH,CAED,EAOM9B,EAAN,KAAkC,CAEjC,aAAc,CAEb,KAAK,KAAOR,EAAW,mBAExB,CAEA,iBAAkB,CAEjB,OAAOuC,CAER,CAEA,aAAcC,EAAgBC,EAAalF,EAAS,CAEnD,IAAMmF,EAAU,CAAC,EAEjBF,EAAe,MAAQ,IAAIZ,EAAO,EAAK,EAAK,CAAI,EAChDY,EAAe,QAAU,EAEzB,IAAMG,EAAoBF,EAAY,qBAEtC,GAAKE,EAAoB,CAExB,GAAK,MAAM,QAASA,EAAkB,eAAgB,EAAI,CAEzD,IAAMC,EAAQD,EAAkB,gBAEhCH,EAAe,MAAM,OAAQI,EAAO,CAAE,EAAGA,EAAO,CAAE,EAAGA,EAAO,CAAE,EAAGf,CAAqB,EACtFW,EAAe,QAAUI,EAAO,CAAE,CAEnC,CAEKD,EAAkB,mBAAqB,QAE3CD,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,MAAOG,EAAkB,iBAAkBE,CAAe,CAAE,CAIlH,CAEA,OAAO,QAAQ,IAAKH,CAAQ,CAE7B,CAED,EAOM1E,EAAN,KAA6C,CAE5C,YAAaT,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,+BAExB,CAEA,qBAAsB8C,EAAeN,EAAiB,CAGrD,IAAMC,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMM,EAAmBN,EAAY,WAAY,KAAK,IAAK,EAAE,iBAE7D,OAAKM,IAAqB,SAEzBP,EAAe,kBAAoBO,GAI7B,QAAQ,QAAQ,CAExB,CAED,EAOMvF,GAAN,KAAsC,CAErC,YAAaD,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,uBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EA0BpD,GAxBKQ,EAAU,kBAAoB,SAElCT,EAAe,UAAYS,EAAU,iBAIjCA,EAAU,mBAAqB,QAEnCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,eAAgBS,EAAU,gBAAiB,CAAE,EAI7FA,EAAU,2BAA6B,SAE3CT,EAAe,mBAAqBS,EAAU,0BAI1CA,EAAU,4BAA8B,QAE5CP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,wBAAyBS,EAAU,yBAA0B,CAAE,EAI/GA,EAAU,yBAA2B,SAEzCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,qBAAsBS,EAAU,sBAAuB,CAAE,EAExGA,EAAU,uBAAuB,QAAU,QAAY,CAE3D,IAAMC,EAAQD,EAAU,uBAAuB,MAE/CT,EAAe,qBAAuB,IAAIW,GAASD,EAAOA,CAAM,CAEjE,CAID,OAAO,QAAQ,IAAKR,CAAQ,CAE7B,CAED,EAOMxE,GAAN,KAAwC,CAEvC,YAAaX,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,yBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpD,OAAKQ,EAAU,oBAAsB,SAEpCT,EAAe,YAAcS,EAAU,mBAInCA,EAAU,qBAAuB,QAErCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,iBAAkBS,EAAU,kBAAmB,CAAE,EAIjGA,EAAU,iBAAmB,SAEjCT,EAAe,eAAiBS,EAAU,gBAItCT,EAAe,4BAA8B,SAEjDA,EAAe,0BAA4B,CAAE,IAAK,GAAI,GAIlDS,EAAU,8BAAgC,SAE9CT,EAAe,0BAA2B,CAAE,EAAIS,EAAU,6BAItDA,EAAU,8BAAgC,SAE9CT,EAAe,0BAA2B,CAAE,EAAIS,EAAU,6BAItDA,EAAU,8BAAgC,QAE9CP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,0BAA2BS,EAAU,2BAA4B,CAAE,EAIjH,QAAQ,IAAKP,CAAQ,CAE7B,CAED,EAOM9E,GAAN,KAAkC,CAEjC,YAAaL,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,mBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEjBF,EAAe,WAAa,IAAIZ,EAAO,EAAG,EAAG,CAAE,EAC/CY,EAAe,eAAiB,EAChCA,EAAe,MAAQ,EAEvB,IAAMS,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpD,GAAKQ,EAAU,mBAAqB,OAAY,CAE/C,IAAMG,EAAcH,EAAU,iBAC9BT,EAAe,WAAW,OAAQY,EAAa,CAAE,EAAGA,EAAa,CAAE,EAAGA,EAAa,CAAE,EAAGvB,CAAqB,CAE9G,CAEA,OAAKoB,EAAU,uBAAyB,SAEvCT,EAAe,eAAiBS,EAAU,sBAItCA,EAAU,oBAAsB,QAEpCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,gBAAiBS,EAAU,kBAAmBJ,CAAe,CAAE,EAI/GI,EAAU,wBAA0B,QAExCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,oBAAqBS,EAAU,qBAAsB,CAAE,EAIrG,QAAQ,IAAKP,CAAQ,CAE7B,CAED,EAQM7E,GAAN,KAAyC,CAExC,YAAaN,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,0BAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpD,OAAKQ,EAAU,qBAAuB,SAErCT,EAAe,aAAeS,EAAU,oBAIpCA,EAAU,sBAAwB,QAEtCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,kBAAmBS,EAAU,mBAAoB,CAAE,EAIjG,QAAQ,IAAKP,CAAQ,CAE7B,CAED,EAOM5E,GAAN,KAAmC,CAElC,YAAaP,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,oBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpDD,EAAe,UAAYS,EAAU,kBAAoB,OAAYA,EAAU,gBAAkB,EAE5FA,EAAU,mBAAqB,QAEnCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,eAAgBS,EAAU,gBAAiB,CAAE,EAIlGT,EAAe,oBAAsBS,EAAU,qBAAuB,IAEtE,IAAMI,EAAaJ,EAAU,kBAAoB,CAAE,EAAG,EAAG,CAAE,EAC3D,OAAAT,EAAe,iBAAmB,IAAIZ,EAAM,EAAE,OAAQyB,EAAY,CAAE,EAAGA,EAAY,CAAE,EAAGA,EAAY,CAAE,EAAGxB,CAAqB,EAEvH,QAAQ,IAAKa,CAAQ,CAE7B,CAED,EAOM3E,GAAN,KAAgC,CAE/B,YAAaR,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,iBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAGrD,IAAMC,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMQ,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpD,OAAAD,EAAe,IAAMS,EAAU,MAAQ,OAAYA,EAAU,IAAM,IAE5D,QAAQ,QAAQ,CAExB,CAED,EAOMhF,GAAN,KAAqC,CAEpC,YAAaV,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,sBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpDD,EAAe,kBAAoBS,EAAU,iBAAmB,OAAYA,EAAU,eAAiB,EAElGA,EAAU,kBAAoB,QAElCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,uBAAwBS,EAAU,eAAgB,CAAE,EAIzG,IAAMI,EAAaJ,EAAU,qBAAuB,CAAE,EAAG,EAAG,CAAE,EAC9D,OAAAT,EAAe,cAAgB,IAAIZ,EAAM,EAAE,OAAQyB,EAAY,CAAE,EAAGA,EAAY,CAAE,EAAGA,EAAY,CAAE,EAAGxB,CAAqB,EAEtHoB,EAAU,uBAAyB,QAEvCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,mBAAoBS,EAAU,qBAAsBJ,CAAe,CAAE,EAInH,QAAQ,IAAKH,CAAQ,CAE7B,CAED,EAQMtE,GAAN,KAAiC,CAEhC,YAAab,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,kBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpD,OAAAD,EAAe,UAAYS,EAAU,aAAe,OAAYA,EAAU,WAAa,EAElFA,EAAU,cAAgB,QAE9BP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,UAAWS,EAAU,WAAY,CAAE,EAIjF,QAAQ,IAAKP,CAAQ,CAE7B,CAED,EAOMvE,GAAN,KAAuC,CAEtC,YAAaZ,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,wBAExB,CAEA,gBAAiB8C,EAAgB,CAGhC,IAAML,EADS,KAAK,OACO,KAAK,UAAWK,CAAc,EAEzD,MAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAAW,KAEzEO,CAER,CAEA,qBAAsBF,EAAeN,EAAiB,CAErD,IAAMjF,EAAS,KAAK,OACdkF,EAAclF,EAAO,KAAK,UAAWuF,CAAc,EAEzD,GAAK,CAAEL,EAAY,YAAc,CAAEA,EAAY,WAAY,KAAK,IAAK,EAEpE,OAAO,QAAQ,QAAQ,EAIxB,IAAMC,EAAU,CAAC,EAEXO,EAAYR,EAAY,WAAY,KAAK,IAAK,EAEpD,OAAKQ,EAAU,qBAAuB,SAErCT,EAAe,WAAaS,EAAU,oBAIlCA,EAAU,qBAAuB,SAErCT,EAAe,mBAAqBS,EAAU,oBAI1CA,EAAU,oBAAsB,QAEpCP,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,gBAAiBS,EAAU,iBAAkB,CAAE,EAI7F,QAAQ,IAAKP,CAAQ,CAE7B,CAED,EAOMjF,GAAN,KAAiC,CAEhC,YAAaF,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,kBAExB,CAEA,YAAasD,EAAe,CAE3B,IAAM/F,EAAS,KAAK,OACdoC,EAAOpC,EAAO,KAEdgG,EAAa5D,EAAK,SAAU2D,CAAa,EAE/C,GAAK,CAAEC,EAAW,YAAc,CAAEA,EAAW,WAAY,KAAK,IAAK,EAElE,OAAO,KAIR,IAAMN,EAAYM,EAAW,WAAY,KAAK,IAAK,EAC7CrE,EAAS3B,EAAO,QAAQ,WAE9B,GAAK,CAAE2B,EAAS,CAEf,GAAKS,EAAK,oBAAsBA,EAAK,mBAAmB,QAAS,KAAK,IAAK,GAAK,EAE/E,MAAM,IAAI,MAAO,6EAA8E,EAK/F,OAAO,IAIT,CAEA,OAAOpC,EAAO,iBAAkB+F,EAAcL,EAAU,OAAQ/D,CAAO,CAExE,CAED,EAOMxB,GAAN,KAA+B,CAE9B,YAAaH,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,iBACvB,KAAK,YAAc,IAEpB,CAEA,YAAasD,EAAe,CAE3B,IAAME,EAAO,KAAK,KACZjG,EAAS,KAAK,OACdoC,EAAOpC,EAAO,KAEdgG,EAAa5D,EAAK,SAAU2D,CAAa,EAE/C,GAAK,CAAEC,EAAW,YAAc,CAAEA,EAAW,WAAYC,CAAK,EAE7D,OAAO,KAIR,IAAMP,EAAYM,EAAW,WAAYC,CAAK,EACxCC,EAAS9D,EAAK,OAAQsD,EAAU,MAAO,EAEzC/D,EAAS3B,EAAO,cACpB,GAAKkG,EAAO,IAAM,CAEjB,IAAMC,EAAUnG,EAAO,QAAQ,QAAQ,WAAYkG,EAAO,GAAI,EACzDC,IAAY,OAAOxE,EAASwE,EAElC,CAEA,OAAO,KAAK,cAAc,EAAE,KAAM,SAAWC,EAAc,CAE1D,GAAKA,EAAc,OAAOpG,EAAO,iBAAkB+F,EAAcL,EAAU,OAAQ/D,CAAO,EAE1F,GAAKS,EAAK,oBAAsBA,EAAK,mBAAmB,QAAS6D,CAAK,GAAK,EAE1E,MAAM,IAAI,MAAO,2DAA4D,EAK9E,OAAOjG,EAAO,YAAa+F,CAAa,CAEzC,CAAE,CAEH,CAEA,eAAgB,CAEf,OAAO,KAAK,cAEX,KAAK,YAAc,IAAI,QAAS,SAAW1C,EAAU,CAEpD,IAAMgD,EAAQ,IAAI,MAIlBA,EAAM,IAAM,kFAEZA,EAAM,OAASA,EAAM,QAAU,UAAY,CAE1ChD,EAASgD,EAAM,SAAW,CAAE,CAE7B,CAED,CAAE,GAII,KAAK,WAEb,CAED,EAOMjG,GAAN,KAA+B,CAE9B,YAAaJ,EAAS,CAErB,KAAK,OAASA,EACd,KAAK,KAAOyC,EAAW,iBACvB,KAAK,YAAc,IAEpB,CAEA,YAAasD,EAAe,CAE3B,IAAME,EAAO,KAAK,KACZjG,EAAS,KAAK,OACdoC,EAAOpC,EAAO,KAEdgG,EAAa5D,EAAK,SAAU2D,CAAa,EAE/C,GAAK,CAAEC,EAAW,YAAc,CAAEA,EAAW,WAAYC,CAAK,EAE7D,OAAO,KAIR,IAAMP,EAAYM,EAAW,WAAYC,CAAK,EACxCC,EAAS9D,EAAK,OAAQsD,EAAU,MAAO,EAEzC/D,EAAS3B,EAAO,cACpB,GAAKkG,EAAO,IAAM,CAEjB,IAAMC,EAAUnG,EAAO,QAAQ,QAAQ,WAAYkG,EAAO,GAAI,EACzDC,IAAY,OAAOxE,EAASwE,EAElC,CAEA,OAAO,KAAK,cAAc,EAAE,KAAM,SAAWC,EAAc,CAE1D,GAAKA,EAAc,OAAOpG,EAAO,iBAAkB+F,EAAcL,EAAU,OAAQ/D,CAAO,EAE1F,GAAKS,EAAK,oBAAsBA,EAAK,mBAAmB,QAAS6D,CAAK,GAAK,EAE1E,MAAM,IAAI,MAAO,2DAA4D,EAK9E,OAAOjG,EAAO,YAAa+F,CAAa,CAEzC,CAAE,CAEH,CAEA,eAAgB,CAEf,OAAO,KAAK,cAEX,KAAK,YAAc,IAAI,QAAS,SAAW1C,EAAU,CAEpD,IAAMgD,EAAQ,IAAI,MAGlBA,EAAM,IAAM,kbACZA,EAAM,OAASA,EAAM,QAAU,UAAY,CAE1ChD,EAASgD,EAAM,SAAW,CAAE,CAE7B,CAED,CAAE,GAII,KAAK,WAEb,CAED,EAOMtF,GAAN,KAA6B,CAE5B,YAAaf,EAAS,CAErB,KAAK,KAAOyC,EAAW,wBACvB,KAAK,OAASzC,CAEf,CAEA,eAAgB6E,EAAQ,CAEvB,IAAMzC,EAAO,KAAK,OAAO,KACnBkE,EAAalE,EAAK,YAAayC,CAAM,EAE3C,GAAKyB,EAAW,YAAcA,EAAW,WAAY,KAAK,IAAK,EAAI,CAElE,IAAMC,EAAeD,EAAW,WAAY,KAAK,IAAK,EAEhDE,EAAS,KAAK,OAAO,cAAe,SAAUD,EAAa,MAAO,EAClEE,EAAU,KAAK,OAAO,QAAQ,eAEpC,GAAK,CAAEA,GAAW,CAAEA,EAAQ,UAAY,CAEvC,GAAKrE,EAAK,oBAAsBA,EAAK,mBAAmB,QAAS,KAAK,IAAK,GAAK,EAE/E,MAAM,IAAI,MAAO,oFAAqF,EAKtG,OAAO,IAIT,CAEA,OAAOoE,EAAO,KAAM,SAAWE,EAAM,CAEpC,IAAMC,EAAaJ,EAAa,YAAc,EACxCK,EAAaL,EAAa,YAAc,EAExCM,EAAQN,EAAa,MACrBO,EAASP,EAAa,WAEtBL,EAAS,IAAI,WAAYQ,EAAKC,EAAYC,CAAW,EAE3D,OAAKH,EAAQ,sBAELA,EAAQ,sBAAuBI,EAAOC,EAAQZ,EAAQK,EAAa,KAAMA,EAAa,MAAO,EAAE,KAAM,SAAWG,EAAM,CAE5H,OAAOA,EAAI,MAEZ,CAAE,EAKKD,EAAQ,MAAM,KAAM,UAAY,CAEtC,IAAMM,EAAS,IAAI,YAAaF,EAAQC,CAAO,EAC/C,OAAAL,EAAQ,iBAAkB,IAAI,WAAYM,CAAO,EAAGF,EAAOC,EAAQZ,EAAQK,EAAa,KAAMA,EAAa,MAAO,EAC3GQ,CAER,CAAE,CAIJ,CAAE,CAEH,KAEC,QAAO,IAIT,CAED,EAQM/F,GAAN,KAA4B,CAE3B,YAAahB,EAAS,CAErB,KAAK,KAAOyC,EAAW,wBACvB,KAAK,OAASzC,CAEf,CAEA,eAAgB4D,EAAY,CAE3B,IAAMxB,EAAO,KAAK,OAAO,KACnB0B,EAAU1B,EAAK,MAAOwB,CAAU,EAEtC,GAAK,CAAEE,EAAQ,YAAc,CAAEA,EAAQ,WAAY,KAAK,IAAK,GAC5DA,EAAQ,OAAS,OAEjB,OAAO,KAIR,IAAMkD,EAAU5E,EAAK,OAAQ0B,EAAQ,IAAK,EAI1C,QAAYmD,KAAaD,EAAQ,WAEhC,GAAKC,EAAU,OAASC,EAAgB,WACtCD,EAAU,OAASC,EAAgB,gBACnCD,EAAU,OAASC,EAAgB,cACnCD,EAAU,OAAS,OAEpB,OAAO,KAOT,IAAME,EADerD,EAAQ,WAAY,KAAK,IAAK,EAChB,WAI7BqB,EAAU,CAAC,EACXiC,EAAa,CAAC,EAEpB,QAAY3D,KAAO0D,EAElBhC,EAAQ,KAAM,KAAK,OAAO,cAAe,WAAYgC,EAAe1D,CAAI,CAAE,EAAE,KAAM4D,IAEjFD,EAAY3D,CAAI,EAAI4D,EACbD,EAAY3D,CAAI,EAEtB,CAAE,EAIL,OAAK0B,EAAQ,OAAS,EAEd,MAIRA,EAAQ,KAAM,KAAK,OAAO,eAAgBvB,CAAU,CAAE,EAE/C,QAAQ,IAAKuB,CAAQ,EAAE,KAAMmC,GAAW,CAE9C,IAAMC,EAAaD,EAAQ,IAAI,EACzBE,EAASD,EAAW,QAAUA,EAAW,SAAW,CAAEA,CAAW,EACjEV,EAAQS,EAAS,CAAE,EAAE,MACrBG,EAAkB,CAAC,EAEzB,QAAYC,KAAQF,EAAS,CAG5B,IAAMG,EAAI,IAAIC,EACRC,EAAI,IAAIC,EACRC,EAAI,IAAIC,GACRC,EAAI,IAAIH,EAAS,EAAG,EAAG,CAAE,EAEzBI,EAAgB,IAAIC,GAAeT,EAAK,SAAUA,EAAK,SAAUb,CAAM,EAE7E,QAAUhE,EAAI,EAAGA,EAAIgE,EAAOhE,IAEtBuE,EAAW,aAEfS,EAAE,oBAAqBT,EAAW,YAAavE,CAAE,EAI7CuE,EAAW,UAEfW,EAAE,oBAAqBX,EAAW,SAAUvE,CAAE,EAI1CuE,EAAW,OAEfa,EAAE,oBAAqBb,EAAW,MAAOvE,CAAE,EAI5CqF,EAAc,YAAarF,EAAG8E,EAAE,QAASE,EAAGE,EAAGE,CAAE,CAAE,EAKpD,QAAYG,KAAiBhB,EAE5B,GAAKgB,IAAkB,WAAa,CAEnC,IAAMC,EAAOjB,EAAYgB,CAAc,EACvCF,EAAc,cAAgB,IAAII,GAA0BD,EAAK,MAAOA,EAAK,SAAUA,EAAK,UAAW,CAExG,MAAYD,IAAkB,eAC5BA,IAAkB,YAClBA,IAAkB,SAEnBV,EAAK,SAAS,aAAcU,EAAehB,EAAYgB,CAAc,CAAE,EAOzEG,GAAS,UAAU,KAAK,KAAML,EAAeR,CAAK,EAElD,KAAK,OAAO,oBAAqBQ,CAAc,EAE/CT,EAAgB,KAAMS,CAAc,CAErC,CAEA,OAAKX,EAAW,SAEfA,EAAW,MAAM,EAEjBA,EAAW,IAAK,GAAIE,CAAgB,EAE7BF,GAIDE,EAAiB,CAAE,CAE3B,CAAE,EAEH,CAED,EAGMjF,GAAgC,OAChCgG,EAAiC,GACjCC,GAA+B,CAAE,KAAM,WAAY,IAAK,OAAW,EAEnE/F,GAAN,KAA0B,CAEzB,YAAab,EAAO,CAEnB,KAAK,KAAOY,EAAW,gBACvB,KAAK,QAAU,KACf,KAAK,KAAO,KAEZ,IAAMiG,EAAa,IAAI,SAAU7G,EAAM,EAAG2G,CAA+B,EACnEjG,EAAc,IAAI,YAQxB,GANA,KAAK,OAAS,CACb,MAAOA,EAAY,OAAQ,IAAI,WAAYV,EAAK,MAAO,EAAG,CAAE,CAAE,CAAE,EAChE,QAAS6G,EAAW,UAAW,EAAG,EAAK,EACvC,OAAQA,EAAW,UAAW,EAAG,EAAK,CACvC,EAEK,KAAK,OAAO,QAAUlG,GAE1B,MAAM,IAAI,MAAO,mDAAoD,EAE/D,GAAK,KAAK,OAAO,QAAU,EAEjC,MAAM,IAAI,MAAO,gDAAiD,EAInE,IAAMmG,EAAsB,KAAK,OAAO,OAASH,EAC3CI,EAAY,IAAI,SAAU/G,EAAM2G,CAA+B,EACjEK,EAAa,EAEjB,KAAQA,EAAaF,GAAsB,CAE1C,IAAMG,EAAcF,EAAU,UAAWC,EAAY,EAAK,EAC1DA,GAAc,EAEd,IAAME,EAAYH,EAAU,UAAWC,EAAY,EAAK,EAGxD,GAFAA,GAAc,EAETE,IAAcN,GAA6B,KAAO,CAEtD,IAAMO,EAAe,IAAI,WAAYnH,EAAM2G,EAAiCK,EAAYC,CAAY,EACpG,KAAK,QAAUvG,EAAY,OAAQyG,CAAa,CAEjD,SAAYD,IAAcN,GAA6B,IAAM,CAE5D,IAAM9B,EAAa6B,EAAiCK,EACpD,KAAK,KAAOhH,EAAK,MAAO8E,EAAYA,EAAamC,CAAY,CAE9D,CAIAD,GAAcC,CAEf,CAEA,GAAK,KAAK,UAAY,KAErB,MAAM,IAAI,MAAO,2CAA4C,CAI/D,CAED,EAOM5F,GAAN,KAAwC,CAEvC,YAAad,EAAML,EAAc,CAEhC,GAAK,CAAEA,EAEN,MAAM,IAAI,MAAO,qDAAsD,EAIxE,KAAK,KAAOU,EAAW,2BACvB,KAAK,KAAOL,EACZ,KAAK,YAAcL,EACnB,KAAK,YAAY,QAAQ,CAE1B,CAEA,gBAAiBkF,EAAWjH,EAAS,CAEpC,IAAMoC,EAAO,KAAK,KACZL,EAAc,KAAK,YACnBkH,EAAkBhC,EAAU,WAAY,KAAK,IAAK,EAAE,WACpDiC,EAAmBjC,EAAU,WAAY,KAAK,IAAK,EAAE,WACrDkC,EAAoB,CAAC,EACrBC,EAAyB,CAAC,EAC1BC,EAAmB,CAAC,EAE1B,QAAYjB,KAAiBc,EAAmB,CAE/C,IAAMI,EAAqBC,GAAYnB,CAAc,GAAKA,EAAc,YAAY,EAEpFe,EAAmBG,CAAmB,EAAIJ,EAAkBd,CAAc,CAE3E,CAEA,QAAYA,KAAiBnB,EAAU,WAAa,CAEnD,IAAMqC,EAAqBC,GAAYnB,CAAc,GAAKA,EAAc,YAAY,EAEpF,GAAKc,EAAkBd,CAAc,IAAM,OAAY,CAEtD,IAAMoB,EAAcpH,EAAK,UAAW6E,EAAU,WAAYmB,CAAc,CAAE,EACpEqB,EAAgBC,EAAuBF,EAAY,aAAc,EAEvEH,EAAkBC,CAAmB,EAAIG,EAAc,KACvDL,EAAwBE,CAAmB,EAAIE,EAAY,aAAe,EAE3E,CAED,CAEA,OAAOxJ,EAAO,cAAe,aAAciJ,CAAgB,EAAE,KAAM,SAAW3C,EAAa,CAE1F,OAAO,IAAI,QAAS,SAAWjD,EAASC,EAAS,CAEhDvB,EAAY,gBAAiBuE,EAAY,SAAWqD,EAAW,CAE9D,QAAYvB,KAAiBuB,EAAS,WAAa,CAElD,IAAMC,EAAYD,EAAS,WAAYvB,CAAc,EAC/CyB,EAAaT,EAAwBhB,CAAc,EAEpDyB,IAAe,SAAYD,EAAU,WAAaC,EAExD,CAEAxG,EAASsG,CAAS,CAEnB,EAAGR,EAAmBE,EAAkB/E,EAAsBhB,CAAO,CAEtE,CAAE,CAEH,CAAE,CAEH,CAED,EAOMH,GAAN,KAAoC,CAEnC,aAAc,CAEb,KAAK,KAAOV,EAAW,qBAExB,CAEA,cAAeqH,EAASC,EAAY,CAEnC,OAAOA,EAAU,WAAa,QAAaA,EAAU,WAAaD,EAAQ,UACtEC,EAAU,SAAW,QACrBA,EAAU,WAAa,QACvBA,EAAU,QAAU,SAOxBD,EAAUA,EAAQ,MAAM,EAEnBC,EAAU,WAAa,SAE3BD,EAAQ,QAAUC,EAAU,UAIxBA,EAAU,SAAW,QAEzBD,EAAQ,OAAO,UAAWC,EAAU,MAAO,EAIvCA,EAAU,WAAa,SAE3BD,EAAQ,SAAWC,EAAU,UAIzBA,EAAU,QAAU,QAExBD,EAAQ,OAAO,UAAWC,EAAU,KAAM,EAI3CD,EAAQ,YAAc,IAEfA,CAER,CAED,EAOM1G,GAAN,KAAoC,CAEnC,aAAc,CAEb,KAAK,KAAOX,EAAW,qBAExB,CAED,EAQMuH,EAAN,cAAyCC,EAAY,CAEpD,YAAaC,EAAoBC,EAAcC,EAAYC,EAAe,CAEzE,MAAOH,EAAoBC,EAAcC,EAAYC,CAAa,CAEnE,CAEA,iBAAkBxF,EAAQ,CAKzB,IAAMkC,EAAS,KAAK,aACnBuD,EAAS,KAAK,aACdC,EAAY,KAAK,UACjBC,EAAS3F,EAAQ0F,EAAY,EAAIA,EAElC,QAAU1H,EAAI,EAAGA,IAAM0H,EAAW1H,IAEjCkE,EAAQlE,CAAE,EAAIyH,EAAQE,EAAS3H,CAAE,EAIlC,OAAOkE,CAER,CAEA,aAAc0D,EAAIC,EAAIC,EAAGC,EAAK,CAE7B,IAAM7D,EAAS,KAAK,aACduD,EAAS,KAAK,aACdxD,EAAS,KAAK,UAEd+D,EAAU/D,EAAS,EACnBgE,EAAUhE,EAAS,EAEnBiE,EAAKH,EAAKF,EAEV7C,GAAM8C,EAAID,GAAOK,EACjBC,EAAKnD,EAAIA,EACToD,EAAMD,EAAKnD,EAEXqD,EAAUT,EAAKK,EACfK,EAAUD,EAAUJ,EAEpBM,EAAK,GAAMH,EAAM,EAAID,EACrBK,EAAKJ,EAAMD,EACXM,EAAK,EAAIF,EACTG,EAAKF,EAAKL,EAAKnD,EAIrB,QAAUhF,EAAI,EAAGA,IAAMiE,EAAQjE,IAAO,CAErC,IAAM2I,EAAKlB,EAAQa,EAAUtI,EAAIiE,CAAO,EAClC2E,EAAKnB,EAAQa,EAAUtI,EAAIgI,CAAQ,EAAIE,EACvCW,EAAKpB,EAAQY,EAAUrI,EAAIiE,CAAO,EAClC6E,EAAKrB,EAAQY,EAAUrI,CAAE,EAAIkI,EAEnChE,EAAQlE,CAAE,EAAIyI,EAAKE,EAAKD,EAAKE,EAAKL,EAAKM,EAAKL,EAAKM,CAElD,CAEA,OAAO5E,CAER,CAED,EAEM6E,GAAK,IAAI5D,GAET6D,GAAN,cAAmD7B,CAA2B,CAE7E,aAAcS,EAAIC,EAAIC,EAAGC,EAAK,CAE7B,IAAM7D,EAAS,MAAM,aAAc0D,EAAIC,EAAIC,EAAGC,CAAG,EAEjD,OAAAgB,GAAG,UAAW7E,CAAO,EAAE,UAAU,EAAE,QAASA,CAAO,EAE5CA,CAER,CAED,EASMG,EAAkB,CACvB,MAAO,KAEP,WAAY,MACZ,WAAY,MACZ,WAAY,MACZ,WAAY,MACZ,WAAY,MACZ,OAAQ,KACR,OAAQ,MACR,WAAY,MACZ,OAAQ,EACR,MAAO,EACP,UAAW,EACX,WAAY,EACZ,UAAW,EACX,eAAgB,EAChB,aAAc,EACd,cAAe,KACf,eAAgB,IACjB,EAEMwC,EAAwB,CAC7B,KAAM,UACN,KAAM,WACN,KAAM,WACN,KAAM,YACN,KAAM,YACN,KAAM,YACP,EAEMoC,GAAgB,CACrB,KAAMC,GACN,KAAMC,GACN,KAAMC,GACN,KAAMC,GACN,KAAMC,GACN,KAAMC,EACP,EAEMC,GAAkB,CACvB,MAAOC,GACP,MAAOC,GACP,MAAOC,CACR,EAEMC,EAAmB,CACxB,OAAU,EACV,KAAQ,EACR,KAAQ,EACR,KAAQ,EACR,KAAQ,EACR,KAAQ,EACR,KAAQ,EACT,EAEMlD,GAAa,CAClB,SAAU,WACV,OAAQ,SACR,QAAS,UACT,WAAY,KACZ,WAAY,MACZ,WAAY,MACZ,WAAY,MACZ,QAAS,QACT,UAAW,aACX,SAAU,WACX,EAEMmD,EAAkB,CACvB,MAAO,QACP,YAAa,WACb,SAAU,aACV,QAAS,uBACV,EAEMC,GAAgB,CACrB,YAAa,OAEb,OAAQC,GACR,KAAMC,EACP,EAEMC,EAAc,CACnB,OAAQ,SACR,KAAM,OACN,MAAO,OACR,EAKA,SAASC,GAAuBC,EAAQ,CAEvC,OAAKA,EAAO,kBAAwB,SAEnCA,EAAO,gBAAsB,IAAIC,GAAsB,CACtD,MAAO,SACP,SAAU,EACV,UAAW,EACX,UAAW,EACX,YAAa,GACb,UAAW,GACX,KAAMC,EACP,CAAE,GAIIF,EAAO,eAEf,CAEA,SAASG,EAAgCC,EAAiB1J,EAAQ2J,EAAY,CAI7E,QAAYpH,KAAQoH,EAAU,WAExBD,EAAiBnH,CAAK,IAAM,SAEhCvC,EAAO,SAAS,eAAiBA,EAAO,SAAS,gBAAkB,CAAC,EACpEA,EAAO,SAAS,eAAgBuC,CAAK,EAAIoH,EAAU,WAAYpH,CAAK,EAMvE,CAMA,SAAStB,EAAwBjB,EAAQ4J,EAAU,CAE7CA,EAAQ,SAAW,SAElB,OAAOA,EAAQ,QAAW,SAE9B,OAAO,OAAQ5J,EAAO,SAAU4J,EAAQ,MAAO,EAI/C,QAAQ,KAAM,sDAAwDA,EAAQ,MAAO,EAMxF,CAUA,SAASC,GAAiB5D,EAAU6D,EAASxN,EAAS,CAErD,IAAIyN,EAAmB,GACnBC,EAAiB,GACjBC,EAAgB,GAEpB,QAAU9K,EAAI,EAAG+K,EAAKJ,EAAQ,OAAQ3K,EAAI+K,EAAI/K,IAAO,CAEpD,IAAMgL,EAASL,EAAS3K,CAAE,EAM1B,GAJKgL,EAAO,WAAa,SAAYJ,EAAmB,IACnDI,EAAO,SAAW,SAAYH,EAAiB,IAC/CG,EAAO,UAAY,SAAYF,EAAgB,IAE/CF,GAAoBC,GAAkBC,EAAgB,KAE5D,CAEA,GAAK,CAAEF,GAAoB,CAAEC,GAAkB,CAAEC,EAAgB,OAAO,QAAQ,QAAShE,CAAS,EAElG,IAAMmE,EAA2B,CAAC,EAC5BC,EAAyB,CAAC,EAC1BC,EAAwB,CAAC,EAE/B,QAAUnL,EAAI,EAAG+K,EAAKJ,EAAQ,OAAQ3K,EAAI+K,EAAI/K,IAAO,CAEpD,IAAMgL,EAASL,EAAS3K,CAAE,EAE1B,GAAK4K,EAAmB,CAEvB,IAAMQ,EAAkBJ,EAAO,WAAa,OACzC7N,EAAO,cAAe,WAAY6N,EAAO,QAAS,EAClDlE,EAAS,WAAW,SAEvBmE,EAAyB,KAAMG,CAAgB,CAEhD,CAEA,GAAKP,EAAiB,CAErB,IAAMO,EAAkBJ,EAAO,SAAW,OACvC7N,EAAO,cAAe,WAAY6N,EAAO,MAAO,EAChDlE,EAAS,WAAW,OAEvBoE,EAAuB,KAAME,CAAgB,CAE9C,CAEA,GAAKN,EAAgB,CAEpB,IAAMM,EAAkBJ,EAAO,UAAY,OACxC7N,EAAO,cAAe,WAAY6N,EAAO,OAAQ,EACjDlE,EAAS,WAAW,MAEvBqE,EAAsB,KAAMC,CAAgB,CAE7C,CAED,CAEA,OAAO,QAAQ,IAAK,CACnB,QAAQ,IAAKH,CAAyB,EACtC,QAAQ,IAAKC,CAAuB,EACpC,QAAQ,IAAKC,CAAsB,CACpC,CAAE,EAAE,KAAM,SAAWE,EAAY,CAEhC,IAAMC,EAAiBD,EAAW,CAAE,EAC9BE,EAAeF,EAAW,CAAE,EAC5BG,EAAcH,EAAW,CAAE,EAEjC,OAAKT,IAAmB9D,EAAS,gBAAgB,SAAWwE,GACvDT,IAAiB/D,EAAS,gBAAgB,OAASyE,GACnDT,IAAgBhE,EAAS,gBAAgB,MAAQ0E,GACtD1E,EAAS,qBAAuB,GAEzBA,CAER,CAAE,CAEH,CAMA,SAAS2E,GAAoB5G,EAAMV,EAAU,CAI5C,GAFAU,EAAK,mBAAmB,EAEnBV,EAAQ,UAAY,OAExB,QAAUnE,EAAI,EAAG+K,EAAK5G,EAAQ,QAAQ,OAAQnE,EAAI+K,EAAI/K,IAErD6E,EAAK,sBAAuB7E,CAAE,EAAImE,EAAQ,QAASnE,CAAE,EAOvD,GAAKmE,EAAQ,QAAU,MAAM,QAASA,EAAQ,OAAO,WAAY,EAAI,CAEpE,IAAMuH,EAAcvH,EAAQ,OAAO,YAEnC,GAAKU,EAAK,sBAAsB,SAAW6G,EAAY,OAAS,CAE/D7G,EAAK,sBAAwB,CAAC,EAE9B,QAAU7E,EAAI,EAAG+K,EAAKW,EAAY,OAAQ1L,EAAI+K,EAAI/K,IAEjD6E,EAAK,sBAAuB6G,EAAa1L,CAAE,CAAE,EAAIA,CAInD,MAEC,QAAQ,KAAM,sEAAuE,CAIvF,CAED,CAEA,SAAS2L,GAAoBC,EAAe,CAE3C,IAAIC,EAEEC,EAAiBF,EAAa,YAAcA,EAAa,WAAYhM,EAAW,0BAA2B,EAcjH,GAZKkM,EAEJD,EAAc,SAAWC,EAAe,WACpC,IAAMA,EAAe,QACrB,IAAMC,EAAqBD,EAAe,UAAW,EAIzDD,EAAcD,EAAa,QAAU,IAAMG,EAAqBH,EAAa,UAAW,EAAI,IAAMA,EAAa,KAI3GA,EAAa,UAAY,OAE7B,QAAU5L,EAAI,EAAG+K,EAAKa,EAAa,QAAQ,OAAQ5L,EAAI+K,EAAI/K,IAE1D6L,GAAe,IAAME,EAAqBH,EAAa,QAAS5L,CAAE,CAAE,EAMtE,OAAO6L,CAER,CAEA,SAASE,EAAqBxH,EAAa,CAE1C,IAAIyH,EAAgB,GAEdC,EAAO,OAAO,KAAM1H,CAAW,EAAE,KAAK,EAE5C,QAAUvE,EAAI,EAAG+K,EAAKkB,EAAK,OAAQjM,EAAI+K,EAAI/K,IAE1CgM,GAAiBC,EAAMjM,CAAE,EAAI,IAAMuE,EAAY0H,EAAMjM,CAAE,CAAE,EAAI,IAI9D,OAAOgM,CAER,CAEA,SAASE,GAA6BC,EAAc,CAKnD,OAASA,EAAc,CAEtB,KAAK,UACJ,MAAO,GAAI,IAEZ,KAAK,WACJ,MAAO,GAAI,IAEZ,KAAK,WACJ,MAAO,GAAI,MAEZ,KAAK,YACJ,MAAO,GAAI,MAEZ,QACC,MAAM,IAAI,MAAO,mEAAoE,CAEvF,CAED,CAEA,SAASC,GAAqBC,EAAM,CAEnC,OAAKA,EAAI,OAAQ,gBAAiB,EAAI,GAAKA,EAAI,OAAQ,oBAAqB,IAAM,EAAW,aACxFA,EAAI,OAAQ,eAAgB,EAAI,GAAKA,EAAI,OAAQ,oBAAqB,IAAM,EAAW,aAErF,WAER,CAEA,IAAMC,GAAkB,IAAIvH,EAItBhF,GAAN,KAAiB,CAEhB,YAAaR,EAAO,CAAC,EAAGgN,EAAU,CAAC,EAAI,CAEtC,KAAK,KAAOhN,EACZ,KAAK,WAAa,CAAC,EACnB,KAAK,QAAU,CAAC,EAChB,KAAK,QAAUgN,EAGf,KAAK,MAAQ,IAAI7L,GAGjB,KAAK,aAAe,IAAI,IAGxB,KAAK,eAAiB,CAAC,EAGvB,KAAK,UAAY,CAAC,EAGlB,KAAK,UAAY,CAAE,KAAM,CAAC,EAAG,KAAM,CAAC,CAAE,EACtC,KAAK,YAAc,CAAE,KAAM,CAAC,EAAG,KAAM,CAAC,CAAE,EACxC,KAAK,WAAa,CAAE,KAAM,CAAC,EAAG,KAAM,CAAC,CAAE,EAEvC,KAAK,YAAc,CAAC,EACpB,KAAK,aAAe,CAAC,EAGrB,KAAK,cAAgB,CAAC,EAKtB,IAAI8L,EAAW,GACXC,EAAY,GACZC,EAAiB,GAEhB,OAAO,UAAc,MAEzBF,EAAW,iCAAiC,KAAM,UAAU,SAAU,IAAM,GAC5EC,EAAY,UAAU,UAAU,QAAS,SAAU,EAAI,GACvDC,EAAiBD,EAAY,UAAU,UAAU,MAAO,qBAAsB,EAAG,CAAE,EAAI,IAInF,OAAO,kBAAsB,KAAeD,GAAcC,GAAaC,EAAiB,GAE5F,KAAK,cAAgB,IAAIC,GAAe,KAAK,QAAQ,OAAQ,EAI7D,KAAK,cAAgB,IAAIC,GAAmB,KAAK,QAAQ,OAAQ,EAIlE,KAAK,cAAc,eAAgB,KAAK,QAAQ,WAAY,EAC5D,KAAK,cAAc,iBAAkB,KAAK,QAAQ,aAAc,EAEhE,KAAK,WAAa,IAAI7N,GAAY,KAAK,QAAQ,OAAQ,EACvD,KAAK,WAAW,gBAAiB,aAAc,EAE1C,KAAK,QAAQ,cAAgB,mBAEjC,KAAK,WAAW,mBAAoB,EAAK,CAI3C,CAEA,cAAeS,EAAa,CAE3B,KAAK,WAAaA,CAEnB,CAEA,WAAYC,EAAU,CAErB,KAAK,QAAUA,CAEhB,CAEA,MAAOpB,EAAQE,EAAU,CAExB,IAAMpB,EAAS,KACToC,EAAO,KAAK,KACZC,EAAa,KAAK,WAGxB,KAAK,MAAM,UAAU,EACrB,KAAK,UAAY,CAAC,EAGlB,KAAK,WAAY,SAAWqN,EAAM,CAEjC,OAAOA,EAAI,WAAaA,EAAI,UAAU,CAEvC,CAAE,EAEF,QAAQ,IAAK,KAAK,WAAY,SAAWA,EAAM,CAE9C,OAAOA,EAAI,YAAcA,EAAI,WAAW,CAEzC,CAAE,CAAE,EAAE,KAAM,UAAY,CAEvB,OAAO,QAAQ,IAAK,CAEnB1P,EAAO,gBAAiB,OAAQ,EAChCA,EAAO,gBAAiB,WAAY,EACpCA,EAAO,gBAAiB,QAAS,CAElC,CAAE,CAEH,CAAE,EAAE,KAAM,SAAW2P,EAAe,CAEnC,IAAM5I,EAAS,CACd,MAAO4I,EAAc,CAAE,EAAGvN,EAAK,OAAS,CAAE,EAC1C,OAAQuN,EAAc,CAAE,EACxB,WAAYA,EAAc,CAAE,EAC5B,QAASA,EAAc,CAAE,EACzB,MAAOvN,EAAK,MACZ,OAAQpC,EACR,SAAU,CAAC,CACZ,EAEA,OAAAmN,EAAgC9K,EAAY0E,EAAQ3E,CAAK,EAEzDuC,EAAwBoC,EAAQ3E,CAAK,EAE9B,QAAQ,IAAKpC,EAAO,WAAY,SAAW0P,EAAM,CAEvD,OAAOA,EAAI,WAAaA,EAAI,UAAW3I,CAAO,CAE/C,CAAE,CAAE,EAAE,KAAM,UAAY,CAEvB7F,EAAQ6F,CAAO,CAEhB,CAAE,CAEH,CAAE,EAAE,MAAO3F,CAAQ,CAEpB,CAKA,WAAY,CAEX,IAAMuC,EAAW,KAAK,KAAK,OAAS,CAAC,EAC/BiM,EAAW,KAAK,KAAK,OAAS,CAAC,EAC/BC,EAAW,KAAK,KAAK,QAAU,CAAC,EAItC,QAAUC,EAAY,EAAGC,EAAaH,EAAS,OAAQE,EAAYC,EAAYD,IAAe,CAE7F,IAAME,EAASJ,EAAUE,CAAU,EAAE,OAErC,QAAUjN,EAAI,EAAG+K,EAAKoC,EAAO,OAAQnN,EAAI+K,EAAI/K,IAE5Cc,EAAUqM,EAAQnN,CAAE,CAAE,EAAE,OAAS,EAInC,CAIA,QAAUe,EAAY,EAAGC,EAAaF,EAAS,OAAQC,EAAYC,EAAYD,IAAe,CAE7F,IAAME,EAAUH,EAAUC,CAAU,EAE/BE,EAAQ,OAAS,SAErB,KAAK,YAAa,KAAK,UAAWA,EAAQ,IAAK,EAK1CA,EAAQ,OAAS,SAErB+L,EAAU/L,EAAQ,IAAK,EAAE,cAAgB,KAMtCA,EAAQ,SAAW,QAEvB,KAAK,YAAa,KAAK,YAAaA,EAAQ,MAAO,CAIrD,CAED,CAWA,YAAakJ,EAAOnI,EAAQ,CAEtBA,IAAU,SAEVmI,EAAM,KAAMnI,CAAM,IAAM,SAE5BmI,EAAM,KAAMnI,CAAM,EAAImI,EAAM,KAAMnI,CAAM,EAAI,GAI7CmI,EAAM,KAAMnI,CAAM,IAEnB,CAGA,YAAamI,EAAOnI,EAAOnB,EAAS,CAEnC,GAAKsJ,EAAM,KAAMnI,CAAM,GAAK,EAAI,OAAOnB,EAEvC,IAAMuM,EAAMvM,EAAO,MAAM,EAInBwM,EAAiB,CAAEC,EAAUC,IAAW,CAE7C,IAAMC,EAAW,KAAK,aAAa,IAAKF,CAAS,EAC5CE,GAAY,MAEhB,KAAK,aAAa,IAAKD,EAAOC,CAAS,EAIxC,OAAY,CAAExN,EAAGyN,CAAM,IAAKH,EAAS,SAAS,QAAQ,EAErDD,EAAgBI,EAAOF,EAAM,SAAUvN,CAAE,CAAE,CAI7C,EAEA,OAAAqN,EAAgBxM,EAAQuM,CAAI,EAE5BA,EAAI,MAAQ,aAAiBjD,EAAM,KAAMnI,CAAM,IAExCoL,CAER,CAEA,WAAYM,EAAO,CAElB,IAAMlO,EAAa,OAAO,OAAQ,KAAK,OAAQ,EAC/CA,EAAW,KAAM,IAAK,EAEtB,QAAUQ,EAAI,EAAGA,EAAIR,EAAW,OAAQQ,IAAO,CAE9C,IAAMkE,EAASwJ,EAAMlO,EAAYQ,CAAE,CAAE,EAErC,GAAKkE,EAAS,OAAOA,CAEtB,CAEA,OAAO,IAER,CAEA,WAAYwJ,EAAO,CAElB,IAAMlO,EAAa,OAAO,OAAQ,KAAK,OAAQ,EAC/CA,EAAW,QAAS,IAAK,EAEzB,IAAM8C,EAAU,CAAC,EAEjB,QAAUtC,EAAI,EAAGA,EAAIR,EAAW,OAAQQ,IAAO,CAE9C,IAAMkE,EAASwJ,EAAMlO,EAAYQ,CAAE,CAAE,EAEhCkE,GAAS5B,EAAQ,KAAM4B,CAAO,CAEpC,CAEA,OAAO5B,CAER,CAQA,cAAeP,EAAMC,EAAQ,CAE5B,IAAMb,EAAWY,EAAO,IAAMC,EAC1BZ,EAAa,KAAK,MAAM,IAAKD,CAAS,EAE1C,GAAK,CAAEC,EAAa,CAEnB,OAASW,EAAO,CAEf,IAAK,QACJX,EAAa,KAAK,UAAWY,CAAM,EACnC,MAED,IAAK,OACJZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,EAAI,UAAYA,EAAI,SAAU7K,CAAM,CAE5C,CAAE,EACF,MAED,IAAK,OACJZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,EAAI,UAAYA,EAAI,SAAU7K,CAAM,CAE5C,CAAE,EACF,MAED,IAAK,WACJZ,EAAa,KAAK,aAAcY,CAAM,EACtC,MAED,IAAK,aACJZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,EAAI,gBAAkBA,EAAI,eAAgB7K,CAAM,CAExD,CAAE,EACF,MAED,IAAK,SACJZ,EAAa,KAAK,WAAYY,CAAM,EACpC,MAED,IAAK,WACJZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,EAAI,cAAgBA,EAAI,aAAc7K,CAAM,CAEpD,CAAE,EACF,MAED,IAAK,UACJZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,EAAI,aAAeA,EAAI,YAAa7K,CAAM,CAElD,CAAE,EACF,MAED,IAAK,OACJZ,EAAa,KAAK,SAAUY,CAAM,EAClC,MAED,IAAK,YACJZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,EAAI,eAAiBA,EAAI,cAAe7K,CAAM,CAEtD,CAAE,EACF,MAED,IAAK,SACJZ,EAAa,KAAK,WAAYY,CAAM,EACpC,MAED,QAOC,GANAZ,EAAa,KAAK,WAAY,SAAWyL,EAAM,CAE9C,OAAOA,GAAO,MAAQA,EAAI,eAAiBA,EAAI,cAAe9K,EAAMC,CAAM,CAE3E,CAAE,EAEG,CAAEZ,EAEN,MAAM,IAAI,MAAO,iBAAmBW,CAAK,EAI1C,KAEF,CAEA,KAAK,MAAM,IAAKZ,EAAUC,CAAW,CAEtC,CAEA,OAAOA,CAER,CAOA,gBAAiBW,EAAO,CAEvB,IAAI+K,EAAe,KAAK,MAAM,IAAK/K,CAAK,EAExC,GAAK,CAAE+K,EAAe,CAErB,IAAM3P,EAAS,KACTwQ,EAAO,KAAK,KAAM5L,GAASA,IAAS,OAAS,KAAO,IAAM,GAAK,CAAC,EAEtE+K,EAAe,QAAQ,IAAKa,EAAK,IAAK,SAAWC,EAAK5L,EAAQ,CAE7D,OAAO7E,EAAO,cAAe4E,EAAMC,CAAM,CAE1C,CAAE,CAAE,EAEJ,KAAK,MAAM,IAAKD,EAAM+K,CAAa,CAEpC,CAEA,OAAOA,CAER,CAOA,WAAYe,EAAc,CAEzB,IAAMC,EAAY,KAAK,KAAK,QAASD,CAAY,EAC3C/O,EAAS,KAAK,WAEpB,GAAKgP,EAAU,MAAQA,EAAU,OAAS,cAEzC,MAAM,IAAI,MAAO,qBAAuBA,EAAU,KAAO,gCAAiC,EAK3F,GAAKA,EAAU,MAAQ,QAAaD,IAAgB,EAEnD,OAAO,QAAQ,QAAS,KAAK,WAAYjO,EAAW,eAAgB,EAAE,IAAK,EAI5E,IAAM2M,EAAU,KAAK,QAErB,OAAO,IAAI,QAAS,SAAW/L,EAASC,EAAS,CAEhD3B,EAAO,KAAMH,EAAY,WAAYmP,EAAU,IAAKvB,EAAQ,IAAK,EAAG/L,EAAS,OAAW,UAAY,CAEnGC,EAAQ,IAAI,MAAO,4CAA8CqN,EAAU,IAAM,IAAK,CAAE,CAEzF,CAAE,CAEH,CAAE,CAEH,CAOA,eAAgB1H,EAAkB,CAEjC,IAAM2H,EAAgB,KAAK,KAAK,YAAa3H,CAAgB,EAE7D,OAAO,KAAK,cAAe,SAAU2H,EAAc,MAAO,EAAE,KAAM,SAAWpK,EAAS,CAErF,IAAMI,EAAagK,EAAc,YAAc,EACzCjK,EAAaiK,EAAc,YAAc,EAC/C,OAAOpK,EAAO,MAAOG,EAAYA,EAAaC,CAAW,CAE1D,CAAE,CAEH,CAOA,aAAciK,EAAgB,CAE7B,IAAM7Q,EAAS,KACToC,EAAO,KAAK,KAEZoH,EAAc,KAAK,KAAK,UAAWqH,CAAc,EAEvD,GAAKrH,EAAY,aAAe,QAAaA,EAAY,SAAW,OAAY,CAE/E,IAAMsH,EAAWrE,EAAkBjD,EAAY,IAAK,EAC9CuH,EAAarH,EAAuBF,EAAY,aAAc,EAC9DK,EAAaL,EAAY,aAAe,GAExCnE,EAAQ,IAAI0L,EAAYvH,EAAY,MAAQsH,CAAS,EAC3D,OAAO,QAAQ,QAAS,IAAIE,EAAiB3L,EAAOyL,EAAUjH,CAAW,CAAE,CAE5E,CAEA,IAAMoH,EAAqB,CAAC,EAE5B,OAAKzH,EAAY,aAAe,OAE/ByH,EAAmB,KAAM,KAAK,cAAe,aAAczH,EAAY,UAAW,CAAE,EAIpFyH,EAAmB,KAAM,IAAK,EAI1BzH,EAAY,SAAW,SAE3ByH,EAAmB,KAAM,KAAK,cAAe,aAAczH,EAAY,OAAO,QAAQ,UAAW,CAAE,EACnGyH,EAAmB,KAAM,KAAK,cAAe,aAAczH,EAAY,OAAO,OAAO,UAAW,CAAE,GAI5F,QAAQ,IAAKyH,CAAmB,EAAE,KAAM,SAAWC,EAAc,CAEvE,IAAM5K,EAAa4K,EAAa,CAAE,EAE5BJ,EAAWrE,EAAkBjD,EAAY,IAAK,EAC9CuH,EAAarH,EAAuBF,EAAY,aAAc,EAG9D2H,EAAeJ,EAAW,kBAC1BK,EAAYD,EAAeL,EAC3BnK,EAAa6C,EAAY,YAAc,EACvC6H,EAAa7H,EAAY,aAAe,OAAYpH,EAAK,YAAaoH,EAAY,UAAW,EAAE,WAAa,OAC5GK,EAAaL,EAAY,aAAe,GAC1CnE,EAAOiM,EAGX,GAAKD,GAAcA,IAAeD,EAAY,CAI7C,IAAMG,EAAU,KAAK,MAAO5K,EAAa0K,CAAW,EAC9CG,EAAa,qBAAuBhI,EAAY,WAAa,IAAMA,EAAY,cAAgB,IAAM+H,EAAU,IAAM/H,EAAY,MACnIiI,EAAKzR,EAAO,MAAM,IAAKwR,CAAW,EAE/BC,IAENpM,EAAQ,IAAI0L,EAAYzK,EAAYiL,EAAUF,EAAY7H,EAAY,MAAQ6H,EAAaF,CAAa,EAGxGM,EAAK,IAAIC,GAAmBrM,EAAOgM,EAAaF,CAAa,EAE7DnR,EAAO,MAAM,IAAKwR,EAAYC,CAAG,GAIlCH,EAAkB,IAAIK,GAA4BF,EAAIX,EAAYnK,EAAa0K,EAAeF,EAActH,CAAW,CAExH,MAEMvD,IAAe,KAEnBjB,EAAQ,IAAI0L,EAAYvH,EAAY,MAAQsH,CAAS,EAIrDzL,EAAQ,IAAI0L,EAAYzK,EAAYK,EAAY6C,EAAY,MAAQsH,CAAS,EAI9EQ,EAAkB,IAAIN,EAAiB3L,EAAOyL,EAAUjH,CAAW,EAKpE,GAAKL,EAAY,SAAW,OAAY,CAEvC,IAAMoI,EAAkBnF,EAAiB,OACnCoF,EAAoBnI,EAAuBF,EAAY,OAAO,QAAQ,aAAc,EAEpFsI,EAAoBtI,EAAY,OAAO,QAAQ,YAAc,EAC7DuI,EAAmBvI,EAAY,OAAO,OAAO,YAAc,EAE3DwI,EAAgB,IAAIH,EAAmBX,EAAa,CAAE,EAAGY,EAAmBtI,EAAY,OAAO,MAAQoI,CAAgB,EACvHK,EAAe,IAAIlB,EAAYG,EAAa,CAAE,EAAGa,EAAkBvI,EAAY,OAAO,MAAQsH,CAAS,EAExGxK,IAAe,OAGnBgL,EAAkB,IAAIN,EAAiBM,EAAgB,MAAM,MAAM,EAAGA,EAAgB,SAAUA,EAAgB,UAAW,GAI5H,QAAUzO,EAAI,EAAG+K,EAAKoE,EAAc,OAAQnP,EAAI+K,EAAI/K,IAAO,CAE1D,IAAMgC,EAAQmN,EAAenP,CAAE,EAM/B,GAJAyO,EAAgB,KAAMzM,EAAOoN,EAAcpP,EAAIiO,CAAS,CAAE,EACrDA,GAAY,GAAIQ,EAAgB,KAAMzM,EAAOoN,EAAcpP,EAAIiO,EAAW,CAAE,CAAE,EAC9EA,GAAY,GAAIQ,EAAgB,KAAMzM,EAAOoN,EAAcpP,EAAIiO,EAAW,CAAE,CAAE,EAC9EA,GAAY,GAAIQ,EAAgB,KAAMzM,EAAOoN,EAAcpP,EAAIiO,EAAW,CAAE,CAAE,EAC9EA,GAAY,EAAI,MAAM,IAAI,MAAO,mEAAoE,CAE3G,CAED,CAEA,OAAOQ,CAER,CAAE,CAEH,CAOA,YAAavL,EAAe,CAE3B,IAAM3D,EAAO,KAAK,KACZgN,EAAU,KAAK,QAEf8C,EADa9P,EAAK,SAAU2D,CAAa,EAChB,OACzBoM,EAAY/P,EAAK,OAAQ8P,CAAY,EAEvCvQ,EAAS,KAAK,cAElB,GAAKwQ,EAAU,IAAM,CAEpB,IAAMhM,EAAUiJ,EAAQ,QAAQ,WAAY+C,EAAU,GAAI,EACrDhM,IAAY,OAAOxE,EAASwE,EAElC,CAEA,OAAO,KAAK,iBAAkBJ,EAAcmM,EAAavQ,CAAO,CAEjE,CAEA,iBAAkBoE,EAAcmM,EAAavQ,EAAS,CAErD,IAAM3B,EAAS,KACToC,EAAO,KAAK,KAEZ4D,EAAa5D,EAAK,SAAU2D,CAAa,EACzCoM,EAAY/P,EAAK,OAAQ8P,CAAY,EAErClO,GAAamO,EAAU,KAAOA,EAAU,YAAe,IAAMnM,EAAW,QAE9E,GAAK,KAAK,aAAchC,CAAS,EAGhC,OAAO,KAAK,aAAcA,CAAS,EAIpC,IAAMoO,EAAU,KAAK,gBAAiBF,EAAavQ,CAAO,EAAE,KAAM,SAAWmI,EAAU,CAEtFA,EAAQ,MAAQ,GAEhBA,EAAQ,KAAO9D,EAAW,MAAQmM,EAAU,MAAQ,GAE/CrI,EAAQ,OAAS,IAAM,OAAOqI,EAAU,KAAQ,UAAYA,EAAU,IAAI,WAAY,aAAc,IAAM,KAE9GrI,EAAQ,KAAOqI,EAAU,KAK1B,IAAME,GADWjQ,EAAK,UAAY,CAAC,GACT4D,EAAW,OAAQ,GAAK,CAAC,EAEnD,OAAA8D,EAAQ,UAAYgC,GAAeuG,EAAQ,SAAU,GAAKrG,GAC1DlC,EAAQ,UAAYgC,GAAeuG,EAAQ,SAAU,GAAKjG,GAC1DtC,EAAQ,MAAQuC,GAAiBgG,EAAQ,KAAM,GAAK7F,EACpD1C,EAAQ,MAAQuC,GAAiBgG,EAAQ,KAAM,GAAK7F,EAEpDxM,EAAO,aAAa,IAAK8J,EAAS,CAAE,SAAU/D,CAAa,CAAE,EAEtD+D,CAER,CAAE,EAAE,MAAO,UAAY,CAEtB,OAAO,IAER,CAAE,EAEF,YAAK,aAAc9F,CAAS,EAAIoO,EAEzBA,CAER,CAEA,gBAAiBF,EAAavQ,EAAS,CAEtC,IAAM3B,EAAS,KACToC,EAAO,KAAK,KACZgN,EAAU,KAAK,QAErB,GAAK,KAAK,YAAa8C,CAAY,IAAM,OAExC,OAAO,KAAK,YAAaA,CAAY,EAAE,KAAQpI,GAAaA,EAAQ,MAAM,CAAE,EAI7E,IAAMqI,EAAY/P,EAAK,OAAQ8P,CAAY,EAErCI,EAAM,KAAK,KAAO,KAAK,UAEzBC,EAAYJ,EAAU,KAAO,GAC7BK,EAAc,GAElB,GAAKL,EAAU,aAAe,OAI7BI,EAAYvS,EAAO,cAAe,aAAcmS,EAAU,UAAW,EAAE,KAAM,SAAW7L,EAAa,CAEpGkM,EAAc,GACd,IAAMC,EAAO,IAAI,KAAM,CAAEnM,CAAW,EAAG,CAAE,KAAM6L,EAAU,QAAS,CAAE,EACpE,OAAAI,EAAYD,EAAI,gBAAiBG,CAAK,EAC/BF,CAER,CAAE,UAESJ,EAAU,MAAQ,OAE7B,MAAM,IAAI,MAAO,2BAA6BD,EAAc,gCAAiC,EAI9F,IAAME,EAAU,QAAQ,QAASG,CAAU,EAAE,KAAM,SAAWA,EAAY,CAEzE,OAAO,IAAI,QAAS,SAAWlP,EAASC,EAAS,CAEhD,IAAIpC,EAASmC,EAER1B,EAAO,sBAAwB,KAEnCT,EAAS,SAAWwR,EAAc,CAEjC,IAAM5I,EAAU,IAAI6I,GAASD,CAAY,EACzC5I,EAAQ,YAAc,GAEtBzG,EAASyG,CAAQ,CAElB,GAIDnI,EAAO,KAAMH,EAAY,WAAY+Q,EAAWnD,EAAQ,IAAK,EAAGlO,EAAQ,OAAWoC,CAAO,CAE3F,CAAE,CAEH,CAAE,EAAE,KAAM,SAAWwG,EAAU,CAI9B,OAAK0I,IAAgB,IAEpBF,EAAI,gBAAiBC,CAAU,EAIhCzI,EAAQ,SAAS,SAAWqI,EAAU,UAAYlD,GAAqBkD,EAAU,GAAI,EAE9ErI,CAER,CAAE,EAAE,MAAO,SAAWnH,EAAQ,CAE7B,cAAQ,MAAO,0CAA4C4P,CAAU,EAC/D5P,CAEP,CAAE,EAEF,YAAK,YAAauP,CAAY,EAAIE,EAC3BA,CAER,CASA,cAAenN,EAAgB2N,EAASC,EAAQC,EAAa,CAE5D,IAAM9S,EAAS,KAEf,OAAO,KAAK,cAAe,UAAW6S,EAAO,KAAM,EAAE,KAAM,SAAW/I,EAAU,CAE/E,GAAK,CAAEA,EAAU,OAAO,KASxB,GAPK+I,EAAO,WAAa,QAAaA,EAAO,SAAW,IAEvD/I,EAAUA,EAAQ,MAAM,EACxBA,EAAQ,QAAU+I,EAAO,UAIrB7S,EAAO,WAAYyC,EAAW,qBAAsB,EAAI,CAE5D,IAAMsH,EAAY8I,EAAO,aAAe,OAAYA,EAAO,WAAYpQ,EAAW,qBAAsB,EAAI,OAE5G,GAAKsH,EAAY,CAEhB,IAAMgJ,EAAgB/S,EAAO,aAAa,IAAK8J,CAAQ,EACvDA,EAAU9J,EAAO,WAAYyC,EAAW,qBAAsB,EAAE,cAAeqH,EAASC,CAAU,EAClG/J,EAAO,aAAa,IAAK8J,EAASiJ,CAAc,CAEjD,CAED,CAEA,OAAKD,IAAe,SAEnBhJ,EAAQ,WAAagJ,GAItB7N,EAAgB2N,CAAQ,EAAI9I,EAErBA,CAER,CAAE,CAEH,CAUA,oBAAqBpC,EAAO,CAE3B,IAAMiC,EAAWjC,EAAK,SAClBsL,EAAWtL,EAAK,SAEduL,EAAwBtJ,EAAS,WAAW,UAAY,OACxDuJ,EAAkBvJ,EAAS,WAAW,QAAU,OAChDwJ,EAAiBxJ,EAAS,WAAW,SAAW,OAEtD,GAAKjC,EAAK,SAAW,CAEpB,IAAM1D,EAAW,kBAAoBgP,EAAS,KAE1CI,EAAiB,KAAK,MAAM,IAAKpP,CAAS,EAEvCoP,IAENA,EAAiB,IAAIC,GACrBC,EAAS,UAAU,KAAK,KAAMF,EAAgBJ,CAAS,EACvDI,EAAe,MAAM,KAAMJ,EAAS,KAAM,EAC1CI,EAAe,IAAMJ,EAAS,IAC9BI,EAAe,gBAAkB,GAEjC,KAAK,MAAM,IAAKpP,EAAUoP,CAAe,GAI1CJ,EAAWI,CAEZ,SAAY1L,EAAK,OAAS,CAEzB,IAAM1D,EAAW,qBAAuBgP,EAAS,KAE7CO,EAAe,KAAK,MAAM,IAAKvP,CAAS,EAErCuP,IAENA,EAAe,IAAIC,GACnBF,EAAS,UAAU,KAAK,KAAMC,EAAcP,CAAS,EACrDO,EAAa,MAAM,KAAMP,EAAS,KAAM,EACxCO,EAAa,IAAMP,EAAS,IAE5B,KAAK,MAAM,IAAKhP,EAAUuP,CAAa,GAIxCP,EAAWO,CAEZ,CAGA,GAAKN,GAAyBC,GAAmBC,EAAiB,CAEjE,IAAInP,EAAW,kBAAoBgP,EAAS,KAAO,IAE9CC,IAAwBjP,GAAY,wBACpCkP,IAAkBlP,GAAY,kBAC9BmP,IAAiBnP,GAAY,iBAElC,IAAIyP,EAAiB,KAAK,MAAM,IAAKzP,CAAS,EAEvCyP,IAENA,EAAiBT,EAAS,MAAM,EAE3BE,IAAkBO,EAAe,aAAe,IAChDN,IAAiBM,EAAe,YAAc,IAE9CR,IAGCQ,EAAe,cAAcA,EAAe,YAAY,GAAK,IAC7DA,EAAe,uBAAuBA,EAAe,qBAAqB,GAAK,KAIrF,KAAK,MAAM,IAAKzP,EAAUyP,CAAe,EAEzC,KAAK,aAAa,IAAKA,EAAgB,KAAK,aAAa,IAAKT,CAAS,CAAE,GAI1EA,EAAWS,CAEZ,CAEA/L,EAAK,SAAWsL,CAEjB,CAEA,iBAAuC,CAEtC,OAAO/F,EAER,CAOA,aAAc1H,EAAgB,CAE7B,IAAMvF,EAAS,KACToC,EAAO,KAAK,KACZC,EAAa,KAAK,WAClB6C,EAAc9C,EAAK,UAAWmD,CAAc,EAE9CmO,EACEzO,EAAiB,CAAC,EAClB0O,EAAqBzO,EAAY,YAAc,CAAC,EAEhDC,EAAU,CAAC,EAEjB,GAAKwO,EAAoBlR,EAAW,mBAAoB,EAAI,CAE3D,IAAMmR,EAAevR,EAAYI,EAAW,mBAAoB,EAChEiR,EAAeE,EAAa,gBAAgB,EAC5CzO,EAAQ,KAAMyO,EAAa,aAAc3O,EAAgBC,EAAalF,CAAO,CAAE,CAEhF,KAAO,CAKN,IAAMoF,EAAoBF,EAAY,sBAAwB,CAAC,EAK/D,GAHAD,EAAe,MAAQ,IAAIZ,EAAO,EAAK,EAAK,CAAI,EAChDY,EAAe,QAAU,EAEpB,MAAM,QAASG,EAAkB,eAAgB,EAAI,CAEzD,IAAMC,EAAQD,EAAkB,gBAEhCH,EAAe,MAAM,OAAQI,EAAO,CAAE,EAAGA,EAAO,CAAE,EAAGA,EAAO,CAAE,EAAGf,CAAqB,EACtFW,EAAe,QAAUI,EAAO,CAAE,CAEnC,CAEKD,EAAkB,mBAAqB,QAE3CD,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,MAAOG,EAAkB,iBAAkBE,CAAe,CAAE,EAIjHL,EAAe,UAAYG,EAAkB,iBAAmB,OAAYA,EAAkB,eAAiB,EAC/GH,EAAe,UAAYG,EAAkB,kBAAoB,OAAYA,EAAkB,gBAAkB,EAE5GA,EAAkB,2BAA6B,SAEnDD,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,eAAgBG,EAAkB,wBAAyB,CAAE,EACjHD,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,eAAgBG,EAAkB,wBAAyB,CAAE,GAIlHsO,EAAe,KAAK,WAAY,SAAWhE,EAAM,CAEhD,OAAOA,EAAI,iBAAmBA,EAAI,gBAAiBnK,CAAc,CAElE,CAAE,EAEFJ,EAAQ,KAAM,QAAQ,IAAK,KAAK,WAAY,SAAWuK,EAAM,CAE5D,OAAOA,EAAI,sBAAwBA,EAAI,qBAAsBnK,EAAeN,CAAe,CAE5F,CAAE,CAAE,CAAE,CAEP,CAEKC,EAAY,cAAgB,KAEhCD,EAAe,KAAO4O,IAIvB,IAAMC,EAAY5O,EAAY,WAAa4H,EAAY,OAqBvD,GAnBKgH,IAAchH,EAAY,OAE9B7H,EAAe,YAAc,GAG7BA,EAAe,WAAa,KAI5BA,EAAe,YAAc,GAExB6O,IAAchH,EAAY,OAE9B7H,EAAe,UAAYC,EAAY,cAAgB,OAAYA,EAAY,YAAc,KAM1FA,EAAY,gBAAkB,QAAawO,IAAiB1O,IAEhEG,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,YAAaC,EAAY,aAAc,CAAE,EAE7FD,EAAe,YAAc,IAAIW,GAAS,EAAG,CAAE,EAE1CV,EAAY,cAAc,QAAU,QAAY,CAEpD,IAAMS,EAAQT,EAAY,cAAc,MAExCD,EAAe,YAAY,IAAKU,EAAOA,CAAM,CAE9C,CAgBD,GAZKT,EAAY,mBAAqB,QAAawO,IAAiB1O,IAEnEG,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,QAASC,EAAY,gBAAiB,CAAE,EAEvFA,EAAY,iBAAiB,WAAa,SAE9CD,EAAe,eAAiBC,EAAY,iBAAiB,WAM1DA,EAAY,iBAAmB,QAAawO,IAAiB1O,EAAoB,CAErF,IAAM+O,EAAiB7O,EAAY,eACnCD,EAAe,SAAW,IAAIZ,EAAM,EAAE,OAAQ0P,EAAgB,CAAE,EAAGA,EAAgB,CAAE,EAAGA,EAAgB,CAAE,EAAGzP,CAAqB,CAEnI,CAEA,OAAKY,EAAY,kBAAoB,QAAawO,IAAiB1O,GAElEG,EAAQ,KAAMnF,EAAO,cAAeiF,EAAgB,cAAeC,EAAY,gBAAiBI,CAAe,CAAE,EAI3G,QAAQ,IAAKH,CAAQ,EAAE,KAAM,UAAY,CAE/C,IAAM6N,EAAW,IAAIU,EAAczO,CAAe,EAElD,OAAKC,EAAY,OAAO8N,EAAS,KAAO9N,EAAY,MAEpDP,EAAwBqO,EAAU9N,CAAY,EAE9ClF,EAAO,aAAa,IAAKgT,EAAU,CAAE,UAAWzN,CAAc,CAAE,EAE3DL,EAAY,YAAaiI,EAAgC9K,EAAY2Q,EAAU9N,CAAY,EAEzF8N,CAER,CAAE,CAEH,CAGA,iBAAkBgB,EAAe,CAEhC,IAAMC,EAAgBC,GAAgB,iBAAkBF,GAAgB,EAAG,EAE3E,OAAKC,KAAiB,KAAK,cAEnBA,EAAgB,KAAQ,EAAG,KAAK,cAAeA,CAAc,GAIpE,KAAK,cAAeA,CAAc,EAAI,EAE/BA,EAIT,CAUA,eAAgBE,EAAa,CAE5B,IAAMnU,EAAS,KACTqC,EAAa,KAAK,WAClB2K,EAAQ,KAAK,eAEnB,SAASoH,EAAsBnN,EAAY,CAE1C,OAAO5E,EAAYI,EAAW,0BAA2B,EACvD,gBAAiBwE,EAAWjH,CAAO,EACnC,KAAM,SAAW2J,EAAW,CAE5B,OAAO0K,GAAwB1K,EAAU1C,EAAWjH,CAAO,CAE5D,CAAE,CAEJ,CAEA,IAAMmF,EAAU,CAAC,EAEjB,QAAUtC,EAAI,EAAG+K,EAAKuG,EAAW,OAAQtR,EAAI+K,EAAI/K,IAAO,CAEvD,IAAMoE,EAAYkN,EAAYtR,CAAE,EAC1BmB,EAAWwK,GAAoBvH,CAAU,EAGzCqN,EAAStH,EAAOhJ,CAAS,EAE/B,GAAKsQ,EAGJnP,EAAQ,KAAMmP,EAAO,OAAQ,MAEvB,CAEN,IAAIC,EAECtN,EAAU,YAAcA,EAAU,WAAYxE,EAAW,0BAA2B,EAGxF8R,EAAkBH,EAAsBnN,CAAU,EAKlDsN,EAAkBF,GAAwB,IAAIG,GAAkBvN,EAAWjH,CAAO,EAKnFgN,EAAOhJ,CAAS,EAAI,CAAE,UAAWiD,EAAW,QAASsN,CAAgB,EAErEpP,EAAQ,KAAMoP,CAAgB,CAE/B,CAED,CAEA,OAAO,QAAQ,IAAKpP,CAAQ,CAE7B,CAOA,SAAUsP,EAAY,CAErB,IAAMzU,EAAS,KACToC,EAAO,KAAK,KACZC,EAAa,KAAK,WAElB2E,EAAU5E,EAAK,OAAQqS,CAAU,EACjCN,EAAanN,EAAQ,WAErB7B,EAAU,CAAC,EAEjB,QAAU,EAAI,EAAGyI,EAAKuG,EAAW,OAAQ,EAAIvG,EAAI,IAAO,CAEvD,IAAMoF,EAAWmB,EAAY,CAAE,EAAE,WAAa,OAC3CpH,GAAuB,KAAK,KAAM,EAClC,KAAK,cAAe,WAAYoH,EAAY,CAAE,EAAE,QAAS,EAE5DhP,EAAQ,KAAM6N,CAAS,CAExB,CAEA,OAAA7N,EAAQ,KAAMnF,EAAO,eAAgBmU,CAAW,CAAE,EAE3C,QAAQ,IAAKhP,CAAQ,EAAE,KAAM,SAAWmC,EAAU,CAExD,IAAMoN,EAAYpN,EAAQ,MAAO,EAAGA,EAAQ,OAAS,CAAE,EACjDqN,EAAarN,EAASA,EAAQ,OAAS,CAAE,EAEzCE,EAAS,CAAC,EAEhB,QAAU3E,EAAI,EAAG+K,EAAK+G,EAAW,OAAQ9R,EAAI+K,EAAI/K,IAAO,CAEvD,IAAM8G,EAAWgL,EAAY9R,CAAE,EACzBoE,EAAYkN,EAAYtR,CAAE,EAI5B6E,EAEEsL,EAAW0B,EAAW7R,CAAE,EAE9B,GAAKoE,EAAU,OAASC,EAAgB,WACtCD,EAAU,OAASC,EAAgB,gBACnCD,EAAU,OAASC,EAAgB,cACnCD,EAAU,OAAS,OAGpBS,EAAOV,EAAQ,gBAAkB,GAC9B,IAAI4N,GAAajL,EAAUqJ,CAAS,EACpC,IAAI6B,GAAMlL,EAAUqJ,CAAS,EAE3BtL,EAAK,gBAAkB,IAG3BA,EAAK,qBAAqB,EAItBT,EAAU,OAASC,EAAgB,eAEvCQ,EAAK,SAAWoN,EAAqBpN,EAAK,SAAUqN,EAAsB,EAE/D9N,EAAU,OAASC,EAAgB,eAE9CQ,EAAK,SAAWoN,EAAqBpN,EAAK,SAAUsN,EAAoB,WAI9D/N,EAAU,OAASC,EAAgB,MAE9CQ,EAAO,IAAIuN,GAActL,EAAUqJ,CAAS,UAEjC/L,EAAU,OAASC,EAAgB,WAE9CQ,EAAO,IAAIwN,GAAMvL,EAAUqJ,CAAS,UAEzB/L,EAAU,OAASC,EAAgB,UAE9CQ,EAAO,IAAIyN,GAAUxL,EAAUqJ,CAAS,UAE7B/L,EAAU,OAASC,EAAgB,OAE9CQ,EAAO,IAAI0N,GAAQzL,EAAUqJ,CAAS,MAItC,OAAM,IAAI,MAAO,iDAAmD/L,EAAU,IAAK,EAI/E,OAAO,KAAMS,EAAK,SAAS,eAAgB,EAAE,OAAS,GAE1D4G,GAAoB5G,EAAMV,CAAQ,EAInCU,EAAK,KAAO1H,EAAO,iBAAkBgH,EAAQ,MAAU,QAAUyN,CAAY,EAE7E9P,EAAwB+C,EAAMV,CAAQ,EAEjCC,EAAU,YAAakG,EAAgC9K,EAAYqF,EAAMT,CAAU,EAExFjH,EAAO,oBAAqB0H,CAAK,EAEjCF,EAAO,KAAME,CAAK,CAEnB,CAEA,QAAU7E,EAAI,EAAG+K,EAAKpG,EAAO,OAAQ3E,EAAI+K,EAAI/K,IAE5C7C,EAAO,aAAa,IAAKwH,EAAQ3E,CAAE,EAAG,CACrC,OAAQ4R,EACR,WAAY5R,CACb,CAAE,EAIH,GAAK2E,EAAO,SAAW,EAEtB,OAAKR,EAAQ,YAAamG,EAAgC9K,EAAYmF,EAAQ,CAAE,EAAGR,CAAQ,EAEpFQ,EAAQ,CAAE,EAIlB,IAAM6N,EAAQ,IAAIC,EAEbtO,EAAQ,YAAamG,EAAgC9K,EAAYgT,EAAOrO,CAAQ,EAErFhH,EAAO,aAAa,IAAKqV,EAAO,CAAE,OAAQZ,CAAU,CAAE,EAEtD,QAAU5R,EAAI,EAAG+K,EAAKpG,EAAO,OAAQ3E,EAAI+K,EAAI/K,IAE5CwS,EAAM,IAAK7N,EAAQ3E,CAAE,CAAE,EAIxB,OAAOwS,CAER,CAAE,CAEH,CAOA,WAAYE,EAAc,CAEzB,IAAIC,EACEC,EAAY,KAAK,KAAK,QAASF,CAAY,EAC3CG,EAASD,EAAWA,EAAU,IAAK,EAEzC,GAAK,CAAEC,EAAS,CAEf,QAAQ,KAAM,8CAA+C,EAC7D,MAED,CAEA,OAAKD,EAAU,OAAS,cAEvBD,EAAS,IAAIG,GAAmBC,GAAU,SAAUF,EAAO,IAAK,EAAGA,EAAO,aAAe,EAAGA,EAAO,OAAS,EAAGA,EAAO,MAAQ,GAAI,EAEvHD,EAAU,OAAS,iBAE9BD,EAAS,IAAIK,GAAoB,CAAEH,EAAO,KAAMA,EAAO,KAAMA,EAAO,KAAM,CAAEA,EAAO,KAAMA,EAAO,MAAOA,EAAO,IAAK,GAI/GD,EAAU,OAAOD,EAAO,KAAO,KAAK,iBAAkBC,EAAU,IAAK,GAE1E9Q,EAAwB6Q,EAAQC,CAAU,EAEnC,QAAQ,QAASD,CAAO,CAEhC,CAOA,SAAU1F,EAAY,CAErB,IAAMgG,EAAU,KAAK,KAAK,MAAOhG,CAAU,EAErC3K,EAAU,CAAC,EAEjB,QAAUtC,EAAI,EAAG+K,EAAKkI,EAAQ,OAAO,OAAQjT,EAAI+K,EAAI/K,IAEpDsC,EAAQ,KAAM,KAAK,iBAAkB2Q,EAAQ,OAAQjT,CAAE,CAAE,CAAE,EAI5D,OAAKiT,EAAQ,sBAAwB,OAEpC3Q,EAAQ,KAAM,KAAK,cAAe,WAAY2Q,EAAQ,mBAAoB,CAAE,EAI5E3Q,EAAQ,KAAM,IAAK,EAIb,QAAQ,IAAKA,CAAQ,EAAE,KAAM,SAAWmC,EAAU,CAExD,IAAMyO,EAAsBzO,EAAQ,IAAI,EAClC0O,EAAa1O,EAKb2O,EAAQ,CAAC,EACTC,EAAe,CAAC,EAEtB,QAAUrT,EAAI,EAAG+K,EAAKoI,EAAW,OAAQnT,EAAI+K,EAAI/K,IAAO,CAEvD,IAAMsT,EAAYH,EAAYnT,CAAE,EAEhC,GAAKsT,EAAY,CAEhBF,EAAM,KAAME,CAAU,EAEtB,IAAMC,EAAM,IAAIxO,EAEXmO,IAAwB,MAE5BK,EAAI,UAAWL,EAAoB,MAAOlT,EAAI,EAAG,EAIlDqT,EAAa,KAAME,CAAI,CAExB,MAEC,QAAQ,KAAM,mDAAoDN,EAAQ,OAAQjT,CAAE,CAAE,CAIxF,CAEA,OAAO,IAAIwT,GAAUJ,EAAOC,CAAa,CAE1C,CAAE,CAEH,CAOA,cAAeI,EAAiB,CAE/B,IAAMlU,EAAO,KAAK,KACZpC,EAAS,KAETuW,EAAenU,EAAK,WAAYkU,CAAe,EAC/CE,EAAgBD,EAAa,KAAOA,EAAa,KAAO,aAAeD,EAEvEG,EAAe,CAAC,EAChBC,EAAwB,CAAC,EACzBC,EAAyB,CAAC,EAC1BC,EAAkB,CAAC,EACnBC,EAAiB,CAAC,EAExB,QAAUhU,EAAI,EAAG+K,EAAK2I,EAAa,SAAS,OAAQ1T,EAAI+K,EAAI/K,IAAO,CAElE,IAAMiU,EAAUP,EAAa,SAAU1T,CAAE,EACnCwP,EAAUkE,EAAa,SAAUO,EAAQ,OAAQ,EACjDjJ,EAASiJ,EAAQ,OACjB7Q,EAAO4H,EAAO,KACdkJ,EAAQR,EAAa,aAAe,OAAYA,EAAa,WAAYlE,EAAQ,KAAM,EAAIA,EAAQ,MACnG2E,EAAST,EAAa,aAAe,OAAYA,EAAa,WAAYlE,EAAQ,MAAO,EAAIA,EAAQ,OAEtGxE,EAAO,OAAS,SAErB4I,EAAa,KAAM,KAAK,cAAe,OAAQxQ,CAAK,CAAE,EACtDyQ,EAAsB,KAAM,KAAK,cAAe,WAAYK,CAAM,CAAE,EACpEJ,EAAuB,KAAM,KAAK,cAAe,WAAYK,CAAO,CAAE,EACtEJ,EAAgB,KAAMvE,CAAQ,EAC9BwE,EAAe,KAAMhJ,CAAO,EAE7B,CAEA,OAAO,QAAQ,IAAK,CAEnB,QAAQ,IAAK4I,CAAa,EAC1B,QAAQ,IAAKC,CAAsB,EACnC,QAAQ,IAAKC,CAAuB,EACpC,QAAQ,IAAKC,CAAgB,EAC7B,QAAQ,IAAKC,CAAe,CAE7B,CAAE,EAAE,KAAM,SAAWlH,EAAe,CAEnC,IAAMsH,EAAQtH,EAAc,CAAE,EACxBuH,EAAiBvH,EAAc,CAAE,EACjCwH,EAAkBxH,EAAc,CAAE,EAClCyH,EAAWzH,EAAc,CAAE,EAC3BnC,EAAUmC,EAAc,CAAE,EAE1B0H,EAAS,CAAC,EAEhB,QAAUxU,EAAI,EAAG+K,EAAKqJ,EAAM,OAAQpU,EAAI+K,EAAI/K,IAAO,CAElD,IAAMyU,EAAOL,EAAOpU,CAAE,EAChB0U,EAAgBL,EAAgBrU,CAAE,EAClC2U,EAAiBL,EAAiBtU,CAAE,EACpCwP,EAAU+E,EAAUvU,CAAE,EACtBgL,EAASL,EAAS3K,CAAE,EAE1B,GAAKyU,IAAS,OAAY,SAErBA,EAAK,cAETA,EAAK,aAAa,EAInB,IAAMG,EAAgBzX,EAAO,uBAAwBsX,EAAMC,EAAeC,EAAgBnF,EAASxE,CAAO,EAE1G,GAAK4J,EAEJ,QAAUC,EAAI,EAAGA,EAAID,EAAc,OAAQC,IAE1CL,EAAO,KAAMI,EAAeC,CAAE,CAAE,CAMnC,CAEA,OAAO,IAAIC,GAAenB,EAAe,OAAWa,CAAO,CAE5D,CAAE,CAEH,CAEA,eAAgBzT,EAAY,CAE3B,IAAMxB,EAAO,KAAK,KACZpC,EAAS,KACT8D,EAAU1B,EAAK,MAAOwB,CAAU,EAEtC,OAAKE,EAAQ,OAAS,OAAmB,KAElC9D,EAAO,cAAe,OAAQ8D,EAAQ,IAAK,EAAE,KAAM,SAAW4D,EAAO,CAE3E,IAAM4P,EAAOtX,EAAO,YAAaA,EAAO,UAAW8D,EAAQ,KAAM4D,CAAK,EAGtE,OAAK5D,EAAQ,UAAY,QAExBwT,EAAK,SAAU,SAAWM,EAAI,CAE7B,GAAOA,EAAE,OAET,QAAU,EAAI,EAAGhK,EAAK9J,EAAQ,QAAQ,OAAQ,EAAI8J,EAAI,IAErDgK,EAAE,sBAAuB,CAAE,EAAI9T,EAAQ,QAAS,CAAE,CAIpD,CAAE,EAIIwT,CAER,CAAE,CAEH,CAOA,SAAU1T,EAAY,CAErB,IAAMxB,EAAO,KAAK,KACZpC,EAAS,KAET8D,EAAU1B,EAAK,MAAOwB,CAAU,EAEhCiU,EAAc7X,EAAO,iBAAkB4D,CAAU,EAEjDkU,EAAe,CAAC,EAChBC,EAAcjU,EAAQ,UAAY,CAAC,EAEzC,QAAUjB,EAAI,EAAG+K,EAAKmK,EAAY,OAAQlV,EAAI+K,EAAI/K,IAEjDiV,EAAa,KAAM9X,EAAO,cAAe,OAAQ+X,EAAalV,CAAE,CAAE,CAAE,EAIrE,IAAMmV,EAAkBlU,EAAQ,OAAS,OACtC,QAAQ,QAAS,IAAK,EACtB9D,EAAO,cAAe,OAAQ8D,EAAQ,IAAK,EAE9C,OAAO,QAAQ,IAAK,CACnB+T,EACA,QAAQ,IAAKC,CAAa,EAC1BE,CACD,CAAE,EAAE,KAAM,SAAW1Q,EAAU,CAE9B,IAAMgQ,EAAOhQ,EAAS,CAAE,EAClB2Q,EAAW3Q,EAAS,CAAE,EACtB4Q,EAAW5Q,EAAS,CAAE,EAEvB4Q,IAAa,MAIjBZ,EAAK,SAAU,SAAW5P,EAAO,CAEzBA,EAAK,eAEZA,EAAK,KAAMwQ,EAAU/I,EAAgB,CAEtC,CAAE,EAIH,QAAUtM,EAAI,EAAG+K,EAAKqK,EAAS,OAAQpV,EAAI+K,EAAI/K,IAE9CyU,EAAK,IAAKW,EAAUpV,CAAE,CAAE,EAIzB,OAAOyU,CAER,CAAE,CAEH,CAIA,iBAAkB1T,EAAY,CAE7B,IAAMxB,EAAO,KAAK,KACZC,EAAa,KAAK,WAClBrC,EAAS,KAKf,GAAK,KAAK,UAAW4D,CAAU,IAAM,OAEpC,OAAO,KAAK,UAAWA,CAAU,EAIlC,IAAME,EAAU1B,EAAK,MAAOwB,CAAU,EAGhCuU,EAAWrU,EAAQ,KAAO9D,EAAO,iBAAkB8D,EAAQ,IAAK,EAAI,GAEpEqB,EAAU,CAAC,EAEXiT,EAAcpY,EAAO,WAAY,SAAW0P,EAAM,CAEvD,OAAOA,EAAI,gBAAkBA,EAAI,eAAgB9L,CAAU,CAE5D,CAAE,EAEF,OAAKwU,GAEJjT,EAAQ,KAAMiT,CAAY,EAItBtU,EAAQ,SAAW,QAEvBqB,EAAQ,KAAMnF,EAAO,cAAe,SAAU8D,EAAQ,MAAO,EAAE,KAAM,SAAW0R,EAAS,CAExF,OAAOxV,EAAO,YAAaA,EAAO,YAAa8D,EAAQ,OAAQ0R,CAAO,CAEvE,CAAE,CAAE,EAILxV,EAAO,WAAY,SAAW0P,EAAM,CAEnC,OAAOA,EAAI,sBAAwBA,EAAI,qBAAsB9L,CAAU,CAExE,CAAE,EAAE,QAAS,SAAWwO,EAAU,CAEjCjN,EAAQ,KAAMiN,CAAQ,CAEvB,CAAE,EAEF,KAAK,UAAWxO,CAAU,EAAI,QAAQ,IAAKuB,CAAQ,EAAE,KAAM,SAAW3B,EAAU,CAE/E,IAAI8T,EAqBJ,GAlBKxT,EAAQ,SAAW,GAEvBwT,EAAO,IAAIe,GAEA7U,EAAQ,OAAS,EAE5B8T,EAAO,IAAIhC,EAEA9R,EAAQ,SAAW,EAE9B8T,EAAO9T,EAAS,CAAE,EAIlB8T,EAAO,IAAI/O,GAIP+O,IAAS9T,EAAS,CAAE,EAExB,QAAUX,EAAI,EAAG+K,EAAKpK,EAAQ,OAAQX,EAAI+K,EAAI/K,IAE7CyU,EAAK,IAAK9T,EAASX,CAAE,CAAE,EAiBzB,GAXKiB,EAAQ,OAEZwT,EAAK,SAAS,KAAOxT,EAAQ,KAC7BwT,EAAK,KAAOa,GAIbxT,EAAwB2S,EAAMxT,CAAQ,EAEjCA,EAAQ,YAAaqJ,EAAgC9K,EAAYiV,EAAMxT,CAAQ,EAE/EA,EAAQ,SAAW,OAAY,CAEnC,IAAMwU,EAAS,IAAI1Q,EACnB0Q,EAAO,UAAWxU,EAAQ,MAAO,EACjCwT,EAAK,aAAcgB,CAAO,CAE3B,MAEMxU,EAAQ,cAAgB,QAE5BwT,EAAK,SAAS,UAAWxT,EAAQ,WAAY,EAIzCA,EAAQ,WAAa,QAEzBwT,EAAK,WAAW,UAAWxT,EAAQ,QAAS,EAIxCA,EAAQ,QAAU,QAEtBwT,EAAK,MAAM,UAAWxT,EAAQ,KAAM,EAMtC,OAAO9D,EAAO,aAAa,IAAKsX,CAAK,GAEpCtX,EAAO,aAAa,IAAKsX,EAAM,CAAC,CAAE,EAInCtX,EAAO,aAAa,IAAKsX,CAAK,EAAE,MAAQ1T,EAEjC0T,CAER,CAAE,EAEK,KAAK,UAAW1T,CAAU,CAElC,CAOA,UAAW2U,EAAa,CAEvB,IAAMlW,EAAa,KAAK,WAClBmW,EAAW,KAAK,KAAK,OAAQD,CAAW,EACxCvY,EAAS,KAITyY,EAAQ,IAAInD,EACbkD,EAAS,OAAOC,EAAM,KAAOzY,EAAO,iBAAkBwY,EAAS,IAAK,GAEzE7T,EAAwB8T,EAAOD,CAAS,EAEnCA,EAAS,YAAarL,EAAgC9K,EAAYoW,EAAOD,CAAS,EAEvF,IAAME,EAAUF,EAAS,OAAS,CAAC,EAE7BrT,EAAU,CAAC,EAEjB,QAAU,EAAI,EAAGyI,EAAK8K,EAAQ,OAAQ,EAAI9K,EAAI,IAE7CzI,EAAQ,KAAMnF,EAAO,cAAe,OAAQ0Y,EAAS,CAAE,CAAE,CAAE,EAI5D,OAAO,QAAQ,IAAKvT,CAAQ,EAAE,KAAM,SAAW8R,EAAQ,CAEtD,QAAUpU,EAAI,EAAG+K,EAAKqJ,EAAM,OAAQpU,EAAI+K,EAAI/K,IAE3C4V,EAAM,IAAKxB,EAAOpU,CAAE,CAAE,EAMvB,IAAM8V,EAAuBrB,GAAU,CAEtC,IAAMsB,EAAsB,IAAI,IAEhC,OAAY,CAAEnV,EAAKoV,CAAM,IAAK7Y,EAAO,cAE/ByD,aAAe6P,GAAY7P,aAAekP,KAE9CiG,EAAoB,IAAKnV,EAAKoV,CAAM,EAMtC,OAAAvB,EAAK,SAAYA,GAAU,CAE1B,IAAMjH,EAAWrQ,EAAO,aAAa,IAAKsX,CAAK,EAE1CjH,GAAY,MAEhBuI,EAAoB,IAAKtB,EAAMjH,CAAS,CAI1C,CAAE,EAEKuI,CAER,EAEA,OAAA5Y,EAAO,aAAe2Y,EAAoBF,CAAM,EAEzCA,CAER,CAAE,CAEH,CAEA,uBAAwBnB,EAAMC,EAAeC,EAAgBnF,EAASxE,EAAS,CAE9E,IAAMwJ,EAAS,CAAC,EAEVyB,EAAaxB,EAAK,KAAOA,EAAK,KAAOA,EAAK,KAC1C/I,EAAc,CAAC,EAEhB7B,EAAiBmB,EAAO,IAAK,IAAMnB,EAAgB,QAEvD4K,EAAK,SAAU,SAAW5T,EAAS,CAE7BA,EAAO,uBAEX6K,EAAY,KAAM7K,EAAO,KAAOA,EAAO,KAAOA,EAAO,IAAK,CAI5D,CAAE,EAIF6K,EAAY,KAAMuK,CAAW,EAI9B,IAAIC,EAEJ,OAASrM,EAAiBmB,EAAO,IAAK,EAAI,CAEzC,KAAKnB,EAAgB,QAEpBqM,EAAqBC,GACrB,MAED,KAAKtM,EAAgB,SAEpBqM,EAAqBE,GACrB,MAED,KAAKvM,EAAgB,SACrB,KAAKA,EAAgB,MAEpBqM,EAAqBG,GACrB,MAED,QAEC,OAAS1B,EAAe,SAAW,CAElC,IAAK,GACJuB,EAAqBC,GACrB,MACD,IAAK,GACL,IAAK,GACL,QACCD,EAAqBG,GACrB,KAEF,CAEA,KAEF,CAEA,IAAMC,EAAgB9G,EAAQ,gBAAkB,OAAY1F,GAAe0F,EAAQ,aAAc,EAAIzF,GAG/FwM,EAAc,KAAK,sBAAuB5B,CAAe,EAE/D,QAAU6B,EAAI,EAAGC,EAAK/K,EAAY,OAAQ8K,EAAIC,EAAID,IAAO,CAExD,IAAME,EAAQ,IAAIR,EACjBxK,EAAa8K,CAAE,EAAI,IAAM3M,EAAiBmB,EAAO,IAAK,EACtD0J,EAAc,MACd6B,EACAD,CACD,EAGK9G,EAAQ,gBAAkB,eAE9B,KAAK,mCAAoCkH,CAAM,EAIhDlC,EAAO,KAAMkC,CAAM,CAEpB,CAEA,OAAOlC,CAER,CAEA,sBAAuBhQ,EAAW,CAEjC,IAAI+R,EAAc/R,EAAS,MAE3B,GAAKA,EAAS,WAAa,CAE1B,IAAM1B,EAAQoJ,GAA6BqK,EAAY,WAAY,EAC7DI,EAAS,IAAI,aAAcJ,EAAY,MAAO,EAEpD,QAAUC,EAAI,EAAGC,EAAKF,EAAY,OAAQC,EAAIC,EAAID,IAEjDG,EAAQH,CAAE,EAAID,EAAaC,CAAE,EAAI1T,EAIlCyT,EAAcI,CAEf,CAEA,OAAOJ,CAER,CAEA,mCAAoCG,EAAQ,CAE3CA,EAAM,kBAAoB,SAAkDxS,EAAS,CAMpF,IAAM0S,EAAoB,gBAAgBR,GAA4BpN,GAAuC7B,EAE7G,OAAO,IAAIyP,EAAiB,KAAK,MAAO,KAAK,OAAQ,KAAK,aAAa,EAAI,EAAG1S,CAAO,CAEtF,EAGAwS,EAAM,kBAAkB,0CAA4C,EAErE,CAED,EAOA,SAASG,GAAe/P,EAAU8E,EAAczO,EAAS,CAExD,IAAMoH,EAAaqH,EAAa,WAE1BkL,EAAM,IAAIC,GAEhB,GAAKxS,EAAW,WAAa,OAAY,CAExC,IAAMC,EAAWrH,EAAO,KAAK,UAAWoH,EAAW,QAAS,EAEtDyS,EAAMxS,EAAS,IACfyS,EAAMzS,EAAS,IAIrB,GAAKwS,IAAQ,QAAaC,IAAQ,QAOjC,GALAH,EAAI,IACH,IAAI7R,EAAS+R,EAAK,CAAE,EAAGA,EAAK,CAAE,EAAGA,EAAK,CAAE,CAAE,EAC1C,IAAI/R,EAASgS,EAAK,CAAE,EAAGA,EAAK,CAAE,EAAGA,EAAK,CAAE,CAAE,CAC3C,EAEKzS,EAAS,WAAa,CAE1B,IAAM0S,EAAWhL,GAA6BrF,EAAuBrC,EAAS,aAAc,CAAE,EAC9FsS,EAAI,IAAI,eAAgBI,CAAS,EACjCJ,EAAI,IAAI,eAAgBI,CAAS,CAElC,MAEM,CAEN,QAAQ,KAAM,qEAAsE,EAEpF,MAED,CAED,KAEC,QAID,IAAMvM,EAAUiB,EAAa,QAE7B,GAAKjB,IAAY,OAAY,CAE5B,IAAMwM,EAAkB,IAAIlS,EACtBmS,EAAS,IAAInS,EAEnB,QAAUjF,EAAI,EAAG+K,EAAKJ,EAAQ,OAAQ3K,EAAI+K,EAAI/K,IAAO,CAEpD,IAAMgL,EAASL,EAAS3K,CAAE,EAE1B,GAAKgL,EAAO,WAAa,OAAY,CAEpC,IAAMxG,EAAWrH,EAAO,KAAK,UAAW6N,EAAO,QAAS,EAClDgM,EAAMxS,EAAS,IACfyS,EAAMzS,EAAS,IAIrB,GAAKwS,IAAQ,QAAaC,IAAQ,OAAY,CAQ7C,GALAG,EAAO,KAAM,KAAK,IAAK,KAAK,IAAKJ,EAAK,CAAE,CAAE,EAAG,KAAK,IAAKC,EAAK,CAAE,CAAE,CAAE,CAAE,EACpEG,EAAO,KAAM,KAAK,IAAK,KAAK,IAAKJ,EAAK,CAAE,CAAE,EAAG,KAAK,IAAKC,EAAK,CAAE,CAAE,CAAE,CAAE,EACpEG,EAAO,KAAM,KAAK,IAAK,KAAK,IAAKJ,EAAK,CAAE,CAAE,EAAG,KAAK,IAAKC,EAAK,CAAE,CAAE,CAAE,CAAE,EAG/DzS,EAAS,WAAa,CAE1B,IAAM0S,EAAWhL,GAA6BrF,EAAuBrC,EAAS,aAAc,CAAE,EAC9F4S,EAAO,eAAgBF,CAAS,CAEjC,CAMAC,EAAgB,IAAKC,CAAO,CAE7B,MAEC,QAAQ,KAAM,qEAAsE,CAItF,CAED,CAGAN,EAAI,eAAgBK,CAAgB,CAErC,CAEArQ,EAAS,YAAcgQ,EAEvB,IAAMO,EAAS,IAAIC,GAEnBR,EAAI,UAAWO,EAAO,MAAO,EAC7BA,EAAO,OAASP,EAAI,IAAI,WAAYA,EAAI,GAAI,EAAI,EAEhDhQ,EAAS,eAAiBuQ,CAE3B,CAQA,SAAS7F,GAAwB1K,EAAU8E,EAAczO,EAAS,CAEjE,IAAMoH,EAAaqH,EAAa,WAE1BtJ,EAAU,CAAC,EAEjB,SAASiV,EAAyBvJ,EAAezI,EAAgB,CAEhE,OAAOpI,EAAO,cAAe,WAAY6Q,CAAc,EACrD,KAAM,SAAWxJ,EAAW,CAE5BsC,EAAS,aAAcvB,EAAef,CAAS,CAEhD,CAAE,CAEJ,CAEA,QAAYgT,KAAqBjT,EAAa,CAE7C,IAAMkC,EAAqBC,GAAY8Q,CAAkB,GAAKA,EAAkB,YAAY,EAGvF/Q,KAAsBK,EAAS,YAEpCxE,EAAQ,KAAMiV,EAAyBhT,EAAYiT,CAAkB,EAAG/Q,CAAmB,CAAE,CAE9F,CAEA,GAAKmF,EAAa,UAAY,QAAa,CAAE9E,EAAS,MAAQ,CAE7D,IAAMtC,EAAWrH,EAAO,cAAe,WAAYyO,EAAa,OAAQ,EAAE,KAAM,SAAWpH,EAAW,CAErGsC,EAAS,SAAUtC,CAAS,CAE7B,CAAE,EAEFlC,EAAQ,KAAMkC,CAAS,CAExB,CAEA,OAAKiT,GAAgB,oBAAsBhW,GAAwB,YAAa8C,GAE/E,QAAQ,KAAM,qEAAqEkT,GAAgB,iBAAiB,kBAAmB,EAIxI3V,EAAwBgF,EAAU8E,CAAa,EAE/CiL,GAAe/P,EAAU8E,EAAczO,CAAO,EAEvC,QAAQ,IAAKmF,CAAQ,EAAE,KAAM,UAAY,CAE/C,OAAOsJ,EAAa,UAAY,OAC7BlB,GAAiB5D,EAAU8E,EAAa,QAASzO,CAAO,EACxD2J,CAEJ,CAAE,CAEH","names":["AnimationClip","Bone","Box3","BufferAttribute","BufferGeometry","ClampToEdgeWrapping","Color","ColorManagement","DirectionalLight","DoubleSide","FileLoader","FrontSide","Group","ImageBitmapLoader","InstancedMesh","InterleavedBuffer","InterleavedBufferAttribute","Interpolant","InterpolateDiscrete","InterpolateLinear","Line","LineBasicMaterial","LineLoop","LineSegments","LinearFilter","LinearMipmapLinearFilter","LinearMipmapNearestFilter","LinearSRGBColorSpace","Loader","LoaderUtils","Material","MathUtils","Matrix4","Mesh","MeshBasicMaterial","MeshPhysicalMaterial","MeshStandardMaterial","MirroredRepeatWrapping","NearestFilter","NearestMipmapLinearFilter","NearestMipmapNearestFilter","NumberKeyframeTrack","Object3D","OrthographicCamera","PerspectiveCamera","PointLight","Points","PointsMaterial","PropertyBinding","Quaternion","QuaternionKeyframeTrack","RepeatWrapping","Skeleton","SkinnedMesh","Sphere","SpotLight","Texture","TextureLoader","TriangleFanDrawMode","TriangleStripDrawMode","Vector2","Vector3","VectorKeyframeTrack","SRGBColorSpace","InstancedBufferAttribute","BufferAttribute","BufferGeometry","Float32BufferAttribute","InstancedBufferAttribute","InterleavedBuffer","InterleavedBufferAttribute","TriangleFanDrawMode","TriangleStripDrawMode","TrianglesDrawMode","Vector3","toTrianglesDrawMode","geometry","drawMode","TrianglesDrawMode","TriangleFanDrawMode","TriangleStripDrawMode","index","indices","position","numberOfTriangles","newIndices","i","newGeometry","GLTFLoader","Loader","manager","parser","GLTFMaterialsClearcoatExtension","GLTFTextureBasisUExtension","GLTFTextureWebPExtension","GLTFTextureAVIFExtension","GLTFMaterialsSheenExtension","GLTFMaterialsTransmissionExtension","GLTFMaterialsVolumeExtension","GLTFMaterialsIorExtension","GLTFMaterialsEmissiveStrengthExtension","GLTFMaterialsSpecularExtension","GLTFMaterialsIridescenceExtension","GLTFMaterialsAnisotropyExtension","GLTFMaterialsBumpExtension","GLTFLightsExtension","GLTFMeshoptCompression","GLTFMeshGpuInstancing","url","onLoad","onProgress","onError","scope","resourcePath","relativeUrl","LoaderUtils","_onError","e","loader","FileLoader","data","gltf","dracoLoader","ktx2Loader","meshoptDecoder","callback","path","json","extensions","plugins","textDecoder","BINARY_EXTENSION_HEADER_MAGIC","EXTENSIONS","GLTFBinaryExtension","error","GLTFParser","i","plugin","extensionName","extensionsRequired","GLTFMaterialsUnlitExtension","GLTFDracoMeshCompressionExtension","GLTFTextureTransformExtension","GLTFMeshQuantizationExtension","resolve","reject","GLTFRegistry","objects","key","object","nodeDefs","nodeIndex","nodeLength","nodeDef","lightIndex","cacheKey","dependency","lightDef","lightNode","color","Color","LinearSRGBColorSpace","range","DirectionalLight","PointLight","SpotLight","assignExtrasToUserData","type","index","self","light","MeshBasicMaterial","materialParams","materialDef","pending","metallicRoughness","array","SRGBColorSpace","materialIndex","emissiveStrength","MeshPhysicalMaterial","extension","scale","Vector2","colorFactor","colorArray","textureIndex","textureDef","name","source","handler","isSupported","image","bufferView","extensionDef","buffer","decoder","res","byteOffset","byteLength","count","stride","result","meshDef","primitive","WEBGL_CONSTANTS","attributesDef","attributes","accessor","results","nodeObject","meshes","instancedMeshes","mesh","m","Matrix4","p","Vector3","q","Quaternion","s","instancedMesh","InstancedMesh","attributeName","attr","InstancedBufferAttribute","Object3D","BINARY_EXTENSION_HEADER_LENGTH","BINARY_EXTENSION_CHUNK_TYPES","headerView","chunkContentsLength","chunkView","chunkIndex","chunkLength","chunkType","contentArray","bufferViewIndex","gltfAttributeMap","threeAttributeMap","attributeNormalizedMap","attributeTypeMap","threeAttributeName","ATTRIBUTES","accessorDef","componentType","WEBGL_COMPONENT_TYPES","geometry","attribute","normalized","texture","transform","GLTFCubicSplineInterpolant","Interpolant","parameterPositions","sampleValues","sampleSize","resultBuffer","values","valueSize","offset","i1","t0","t","t1","stride2","stride3","td","pp","ppp","offset1","offset0","s2","s3","s0","s1","p0","m0","p1","m1","_q","GLTFCubicSplineQuaternionInterpolant","WEBGL_FILTERS","NearestFilter","LinearFilter","NearestMipmapNearestFilter","LinearMipmapNearestFilter","NearestMipmapLinearFilter","LinearMipmapLinearFilter","WEBGL_WRAPPINGS","ClampToEdgeWrapping","MirroredRepeatWrapping","RepeatWrapping","WEBGL_TYPE_SIZES","PATH_PROPERTIES","INTERPOLATION","InterpolateLinear","InterpolateDiscrete","ALPHA_MODES","createDefaultMaterial","cache","MeshStandardMaterial","FrontSide","addUnknownExtensionsToUserData","knownExtensions","objectDef","gltfDef","addMorphTargets","targets","hasMorphPosition","hasMorphNormal","hasMorphColor","il","target","pendingPositionAccessors","pendingNormalAccessors","pendingColorAccessors","pendingAccessor","accessors","morphPositions","morphNormals","morphColors","updateMorphTargets","targetNames","createPrimitiveKey","primitiveDef","geometryKey","dracoExtension","createAttributesKey","attributesKey","keys","getNormalizedComponentScale","constructor","getImageURIMimeType","uri","_identityMatrix","options","isSafari","isFirefox","firefoxVersion","TextureLoader","ImageBitmapLoader","ext","dependencies","skinDefs","meshDefs","skinIndex","skinLength","joints","ref","updateMappings","original","clone","mappings","child","func","defs","def","bufferIndex","bufferDef","bufferViewDef","accessorIndex","itemSize","TypedArray","BufferAttribute","pendingBufferViews","bufferViews","elementBytes","itemBytes","byteStride","bufferAttribute","ibSlice","ibCacheKey","ib","InterleavedBuffer","InterleavedBufferAttribute","itemSizeIndices","TypedArrayIndices","byteOffsetIndices","byteOffsetValues","sparseIndices","sparseValues","sourceIndex","sourceDef","promise","sampler","URL","sourceURI","isObjectURL","blob","imageBitmap","Texture","mapName","mapDef","colorSpace","gltfReference","material","useDerivativeTangents","useVertexColors","useFlatShading","pointsMaterial","PointsMaterial","Material","lineMaterial","LineBasicMaterial","cachedMaterial","materialType","materialExtensions","kmuExtension","DoubleSide","alphaMode","emissiveFactor","originalName","sanitizedName","PropertyBinding","primitives","createDracoPrimitive","addPrimitiveAttributes","cached","geometryPromise","BufferGeometry","meshIndex","materials","geometries","SkinnedMesh","Mesh","toTrianglesDrawMode","TriangleStripDrawMode","TriangleFanDrawMode","LineSegments","Line","LineLoop","Points","group","Group","cameraIndex","camera","cameraDef","params","PerspectiveCamera","MathUtils","OrthographicCamera","skinDef","inverseBindMatrices","jointNodes","bones","boneInverses","jointNode","mat","Skeleton","animationIndex","animationDef","animationName","pendingNodes","pendingInputAccessors","pendingOutputAccessors","pendingSamplers","pendingTargets","channel","input","output","nodes","inputAccessors","outputAccessors","samplers","tracks","node","inputAccessor","outputAccessor","createdTracks","k","AnimationClip","o","nodePending","childPending","childrenDef","skeletonPending","children","skeleton","nodeName","meshPromise","Bone","matrix","sceneIndex","sceneDef","scene","nodeIds","reduceAssociations","reducedAssociations","value","targetName","TypedKeyframeTrack","NumberKeyframeTrack","QuaternionKeyframeTrack","VectorKeyframeTrack","interpolation","outputArray","j","jl","track","scaled","interpolantType","computeBounds","box","Box3","min","max","boxScale","maxDisplacement","vector","sphere","Sphere","assignAttributeAccessor","gltfAttributeName","ColorManagement"],"sources":["../esm/npm/three@0.160.1/node_modules/three/examples/jsm/loaders/GLTFLoader.js","../esm/npm/three@0.160.1/node_modules/three/examples/jsm/utils/BufferGeometryUtils.js"],"sourcesContent":["import {\n\tAnimationClip,\n\tBone,\n\tBox3,\n\tBufferAttribute,\n\tBufferGeometry,\n\tClampToEdgeWrapping,\n\tColor,\n\tColorManagement,\n\tDirectionalLight,\n\tDoubleSide,\n\tFileLoader,\n\tFrontSide,\n\tGroup,\n\tImageBitmapLoader,\n\tInstancedMesh,\n\tInterleavedBuffer,\n\tInterleavedBufferAttribute,\n\tInterpolant,\n\tInterpolateDiscrete,\n\tInterpolateLinear,\n\tLine,\n\tLineBasicMaterial,\n\tLineLoop,\n\tLineSegments,\n\tLinearFilter,\n\tLinearMipmapLinearFilter,\n\tLinearMipmapNearestFilter,\n\tLinearSRGBColorSpace,\n\tLoader,\n\tLoaderUtils,\n\tMaterial,\n\tMathUtils,\n\tMatrix4,\n\tMesh,\n\tMeshBasicMaterial,\n\tMeshPhysicalMaterial,\n\tMeshStandardMaterial,\n\tMirroredRepeatWrapping,\n\tNearestFilter,\n\tNearestMipmapLinearFilter,\n\tNearestMipmapNearestFilter,\n\tNumberKeyframeTrack,\n\tObject3D,\n\tOrthographicCamera,\n\tPerspectiveCamera,\n\tPointLight,\n\tPoints,\n\tPointsMaterial,\n\tPropertyBinding,\n\tQuaternion,\n\tQuaternionKeyframeTrack,\n\tRepeatWrapping,\n\tSkeleton,\n\tSkinnedMesh,\n\tSphere,\n\tSpotLight,\n\tTexture,\n\tTextureLoader,\n\tTriangleFanDrawMode,\n\tTriangleStripDrawMode,\n\tVector2,\n\tVector3,\n\tVectorKeyframeTrack,\n\tSRGBColorSpace,\n\tInstancedBufferAttribute\n} from 'three';\nimport { toTrianglesDrawMode } from '../utils/BufferGeometryUtils.js';\n\nclass GLTFLoader extends Loader {\n\n\tconstructor( manager ) {\n\n\t\tsuper( manager );\n\n\t\tthis.dracoLoader = null;\n\t\tthis.ktx2Loader = null;\n\t\tthis.meshoptDecoder = null;\n\n\t\tthis.pluginCallbacks = [];\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsClearcoatExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureBasisUExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureWebPExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFTextureAVIFExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsSheenExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsTransmissionExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsVolumeExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsIorExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsEmissiveStrengthExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsSpecularExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsIridescenceExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsAnisotropyExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMaterialsBumpExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFLightsExtension( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMeshoptCompression( parser );\n\n\t\t} );\n\n\t\tthis.register( function ( parser ) {\n\n\t\t\treturn new GLTFMeshGpuInstancing( parser );\n\n\t\t} );\n\n\t}\n\n\tload( url, onLoad, onProgress, onError ) {\n\n\t\tconst scope = this;\n\n\t\tlet resourcePath;\n\n\t\tif ( this.resourcePath !== '' ) {\n\n\t\t\tresourcePath = this.resourcePath;\n\n\t\t} else if ( this.path !== '' ) {\n\n\t\t\t// If a base path is set, resources will be relative paths from that plus the relative path of the gltf file\n\t\t\t// Example  path = 'https://my-cnd-server.com/', url = 'assets/models/model.gltf'\n\t\t\t// resourcePath = 'https://my-cnd-server.com/assets/models/'\n\t\t\t// referenced resource 'model.bin' will be loaded from 'https://my-cnd-server.com/assets/models/model.bin'\n\t\t\t// referenced resource '../textures/texture.png' will be loaded from 'https://my-cnd-server.com/assets/textures/texture.png'\n\t\t\tconst relativeUrl = LoaderUtils.extractUrlBase( url );\n\t\t\tresourcePath = LoaderUtils.resolveURL( relativeUrl, this.path );\n\n\t\t} else {\n\n\t\t\tresourcePath = LoaderUtils.extractUrlBase( url );\n\n\t\t}\n\n\t\t// Tells the LoadingManager to track an extra item, which resolves after\n\t\t// the model is fully loaded. This means the count of items loaded will\n\t\t// be incorrect, but ensures manager.onLoad() does not fire early.\n\t\tthis.manager.itemStart( url );\n\n\t\tconst _onError = function ( e ) {\n\n\t\t\tif ( onError ) {\n\n\t\t\t\tonError( e );\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( e );\n\n\t\t\t}\n\n\t\t\tscope.manager.itemError( url );\n\t\t\tscope.manager.itemEnd( url );\n\n\t\t};\n\n\t\tconst loader = new FileLoader( this.manager );\n\n\t\tloader.setPath( this.path );\n\t\tloader.setResponseType( 'arraybuffer' );\n\t\tloader.setRequestHeader( this.requestHeader );\n\t\tloader.setWithCredentials( this.withCredentials );\n\n\t\tloader.load( url, function ( data ) {\n\n\t\t\ttry {\n\n\t\t\t\tscope.parse( data, resourcePath, function ( gltf ) {\n\n\t\t\t\t\tonLoad( gltf );\n\n\t\t\t\t\tscope.manager.itemEnd( url );\n\n\t\t\t\t}, _onError );\n\n\t\t\t} catch ( e ) {\n\n\t\t\t\t_onError( e );\n\n\t\t\t}\n\n\t\t}, onProgress, _onError );\n\n\t}\n\n\tsetDRACOLoader( dracoLoader ) {\n\n\t\tthis.dracoLoader = dracoLoader;\n\t\treturn this;\n\n\t}\n\n\tsetDDSLoader() {\n\n\t\tthrow new Error(\n\n\t\t\t'THREE.GLTFLoader: \"MSFT_texture_dds\" no longer supported. Please update to \"KHR_texture_basisu\".'\n\n\t\t);\n\n\t}\n\n\tsetKTX2Loader( ktx2Loader ) {\n\n\t\tthis.ktx2Loader = ktx2Loader;\n\t\treturn this;\n\n\t}\n\n\tsetMeshoptDecoder( meshoptDecoder ) {\n\n\t\tthis.meshoptDecoder = meshoptDecoder;\n\t\treturn this;\n\n\t}\n\n\tregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {\n\n\t\t\tthis.pluginCallbacks.push( callback );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tunregister( callback ) {\n\n\t\tif ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {\n\n\t\t\tthis.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );\n\n\t\t}\n\n\t\treturn this;\n\n\t}\n\n\tparse( data, path, onLoad, onError ) {\n\n\t\tlet json;\n\t\tconst extensions = {};\n\t\tconst plugins = {};\n\t\tconst textDecoder = new TextDecoder();\n\n\t\tif ( typeof data === 'string' ) {\n\n\t\t\tjson = JSON.parse( data );\n\n\t\t} else if ( data instanceof ArrayBuffer ) {\n\n\t\t\tconst magic = textDecoder.decode( new Uint8Array( data, 0, 4 ) );\n\n\t\t\tif ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {\n\n\t\t\t\ttry {\n\n\t\t\t\t\textensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );\n\n\t\t\t\t} catch ( error ) {\n\n\t\t\t\t\tif ( onError ) onError( error );\n\t\t\t\t\treturn;\n\n\t\t\t\t}\n\n\t\t\t\tjson = JSON.parse( extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content );\n\n\t\t\t} else {\n\n\t\t\t\tjson = JSON.parse( textDecoder.decode( data ) );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tjson = data;\n\n\t\t}\n\n\t\tif ( json.asset === undefined || json.asset.version[ 0 ] \u003c 2 ) {\n\n\t\t\tif ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions \u003e=2.0 are supported.' ) );\n\t\t\treturn;\n\n\t\t}\n\n\t\tconst parser = new GLTFParser( json, {\n\n\t\t\tpath: path || this.resourcePath || '',\n\t\t\tcrossOrigin: this.crossOrigin,\n\t\t\trequestHeader: this.requestHeader,\n\t\t\tmanager: this.manager,\n\t\t\tktx2Loader: this.ktx2Loader,\n\t\t\tmeshoptDecoder: this.meshoptDecoder\n\n\t\t} );\n\n\t\tparser.fileLoader.setRequestHeader( this.requestHeader );\n\n\t\tfor ( let i = 0; i \u003c this.pluginCallbacks.length; i ++ ) {\n\n\t\t\tconst plugin = this.pluginCallbacks[ i ]( parser );\n\n\t\t\tif ( ! plugin.name ) console.error( 'THREE.GLTFLoader: Invalid plugin found: missing name' );\n\n\t\t\tplugins[ plugin.name ] = plugin;\n\n\t\t\t// Workaround to avoid determining as unknown extension\n\t\t\t// in addUnknownExtensionsToUserData().\n\t\t\t// Remove this workaround if we move all the existing\n\t\t\t// extension handlers to plugin system\n\t\t\textensions[ plugin.name ] = true;\n\n\t\t}\n\n\t\tif ( json.extensionsUsed ) {\n\n\t\t\tfor ( let i = 0; i \u003c json.extensionsUsed.length; ++ i ) {\n\n\t\t\t\tconst extensionName = json.extensionsUsed[ i ];\n\t\t\t\tconst extensionsRequired = json.extensionsRequired || [];\n\n\t\t\t\tswitch ( extensionName ) {\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MATERIALS_UNLIT:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMaterialsUnlitExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_TEXTURE_TRANSFORM:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFTextureTransformExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tcase EXTENSIONS.KHR_MESH_QUANTIZATION:\n\t\t\t\t\t\textensions[ extensionName ] = new GLTFMeshQuantizationExtension();\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\tdefault:\n\n\t\t\t\t\t\tif ( extensionsRequired.indexOf( extensionName ) \u003e= 0 \u0026\u0026 plugins[ extensionName ] === undefined ) {\n\n\t\t\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Unknown extension \"' + extensionName + '\".' );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tparser.setExtensions( extensions );\n\t\tparser.setPlugins( plugins );\n\t\tparser.parse( onLoad, onError );\n\n\t}\n\n\tparseAsync( data, path ) {\n\n\t\tconst scope = this;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tscope.parse( data, path, resolve, reject );\n\n\t\t} );\n\n\t}\n\n}\n\n/* GLTFREGISTRY */\n\nfunction GLTFRegistry() {\n\n\tlet objects = {};\n\n\treturn\t{\n\n\t\tget: function ( key ) {\n\n\t\t\treturn objects[ key ];\n\n\t\t},\n\n\t\tadd: function ( key, object ) {\n\n\t\t\tobjects[ key ] = object;\n\n\t\t},\n\n\t\tremove: function ( key ) {\n\n\t\t\tdelete objects[ key ];\n\n\t\t},\n\n\t\tremoveAll: function () {\n\n\t\t\tobjects = {};\n\n\t\t}\n\n\t};\n\n}\n\n/*********************************/\n/********** EXTENSIONS ***********/\n/*********************************/\n\nconst EXTENSIONS = {\n\tKHR_BINARY_GLTF: 'KHR_binary_glTF',\n\tKHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',\n\tKHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',\n\tKHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',\n\tKHR_MATERIALS_IOR: 'KHR_materials_ior',\n\tKHR_MATERIALS_SHEEN: 'KHR_materials_sheen',\n\tKHR_MATERIALS_SPECULAR: 'KHR_materials_specular',\n\tKHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',\n\tKHR_MATERIALS_IRIDESCENCE: 'KHR_materials_iridescence',\n\tKHR_MATERIALS_ANISOTROPY: 'KHR_materials_anisotropy',\n\tKHR_MATERIALS_UNLIT: 'KHR_materials_unlit',\n\tKHR_MATERIALS_VOLUME: 'KHR_materials_volume',\n\tKHR_TEXTURE_BASISU: 'KHR_texture_basisu',\n\tKHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',\n\tKHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',\n\tKHR_MATERIALS_EMISSIVE_STRENGTH: 'KHR_materials_emissive_strength',\n\tEXT_MATERIALS_BUMP: 'EXT_materials_bump',\n\tEXT_TEXTURE_WEBP: 'EXT_texture_webp',\n\tEXT_TEXTURE_AVIF: 'EXT_texture_avif',\n\tEXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression',\n\tEXT_MESH_GPU_INSTANCING: 'EXT_mesh_gpu_instancing'\n};\n\n/**\n * Punctual Lights Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual\n */\nclass GLTFLightsExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;\n\n\t\t// Object3D instance caches\n\t\tthis.cache = { refs: {}, uses: {} };\n\n\t}\n\n\t_markDefs() {\n\n\t\tconst parser = this.parser;\n\t\tconst nodeDefs = this.parser.json.nodes || [];\n\n\t\tfor ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex \u003c nodeLength; nodeIndex ++ ) {\n\n\t\t\tconst nodeDef = nodeDefs[ nodeIndex ];\n\n\t\t\tif ( nodeDef.extensions\n\t\t\t\t\t\u0026\u0026 nodeDef.extensions[ this.name ]\n\t\t\t\t\t\u0026\u0026 nodeDef.extensions[ this.name ].light !== undefined ) {\n\n\t\t\t\tparser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t_loadLight( lightIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst cacheKey = 'light:' + lightIndex;\n\t\tlet dependency = parser.cache.get( cacheKey );\n\n\t\tif ( dependency ) return dependency;\n\n\t\tconst json = parser.json;\n\t\tconst extensions = ( json.extensions \u0026\u0026 json.extensions[ this.name ] ) || {};\n\t\tconst lightDefs = extensions.lights || [];\n\t\tconst lightDef = lightDefs[ lightIndex ];\n\t\tlet lightNode;\n\n\t\tconst color = new Color( 0xffffff );\n\n\t\tif ( lightDef.color !== undefined ) color.setRGB( lightDef.color[ 0 ], lightDef.color[ 1 ], lightDef.color[ 2 ], LinearSRGBColorSpace );\n\n\t\tconst range = lightDef.range !== undefined ? lightDef.range : 0;\n\n\t\tswitch ( lightDef.type ) {\n\n\t\t\tcase 'directional':\n\t\t\t\tlightNode = new DirectionalLight( color );\n\t\t\t\tlightNode.target.position.set( 0, 0, - 1 );\n\t\t\t\tlightNode.add( lightNode.target );\n\t\t\t\tbreak;\n\n\t\t\tcase 'point':\n\t\t\t\tlightNode = new PointLight( color );\n\t\t\t\tlightNode.distance = range;\n\t\t\t\tbreak;\n\n\t\t\tcase 'spot':\n\t\t\t\tlightNode = new SpotLight( color );\n\t\t\t\tlightNode.distance = range;\n\t\t\t\t// Handle spotlight properties.\n\t\t\t\tlightDef.spot = lightDef.spot || {};\n\t\t\t\tlightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;\n\t\t\t\tlightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;\n\t\t\t\tlightNode.angle = lightDef.spot.outerConeAngle;\n\t\t\t\tlightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;\n\t\t\t\tlightNode.target.position.set( 0, 0, - 1 );\n\t\t\t\tlightNode.add( lightNode.target );\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: Unexpected light type: ' + lightDef.type );\n\n\t\t}\n\n\t\t// Some lights (e.g. spot) default to a position other than the origin. Reset the position\n\t\t// here, because node-level parsing will only override position if explicitly specified.\n\t\tlightNode.position.set( 0, 0, 0 );\n\n\t\tlightNode.decay = 2;\n\n\t\tassignExtrasToUserData( lightNode, lightDef );\n\n\t\tif ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;\n\n\t\tlightNode.name = parser.createUniqueName( lightDef.name || ( 'light_' + lightIndex ) );\n\n\t\tdependency = Promise.resolve( lightNode );\n\n\t\tparser.cache.add( cacheKey, dependency );\n\n\t\treturn dependency;\n\n\t}\n\n\tgetDependency( type, index ) {\n\n\t\tif ( type !== 'light' ) return;\n\n\t\treturn this._loadLight( index );\n\n\t}\n\n\tcreateNodeAttachment( nodeIndex ) {\n\n\t\tconst self = this;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\t\tconst lightDef = ( nodeDef.extensions \u0026\u0026 nodeDef.extensions[ this.name ] ) || {};\n\t\tconst lightIndex = lightDef.light;\n\n\t\tif ( lightIndex === undefined ) return null;\n\n\t\treturn this._loadLight( lightIndex ).then( function ( light ) {\n\n\t\t\treturn parser._getNodeRef( self.cache, lightIndex, light );\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * Unlit Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit\n */\nclass GLTFMaterialsUnlitExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_UNLIT;\n\n\t}\n\n\tgetMaterialType() {\n\n\t\treturn MeshBasicMaterial;\n\n\t}\n\n\textendParams( materialParams, materialDef, parser ) {\n\n\t\tconst pending = [];\n\n\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\tmaterialParams.opacity = 1.0;\n\n\t\tconst metallicRoughness = materialDef.pbrMetallicRoughness;\n\n\t\tif ( metallicRoughness ) {\n\n\t\t\tif ( Array.isArray( metallicRoughness.baseColorFactor ) ) {\n\n\t\t\t\tconst array = metallicRoughness.baseColorFactor;\n\n\t\t\t\tmaterialParams.color.setRGB( array[ 0 ], array[ 1 ], array[ 2 ], LinearSRGBColorSpace );\n\t\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t\t}\n\n\t\t\tif ( metallicRoughness.baseColorTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, SRGBColorSpace ) );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials Emissive Strength Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/blob/5768b3ce0ef32bc39cdf1bef10b948586635ead3/extensions/2.0/Khronos/KHR_materials_emissive_strength/README.md\n */\nclass GLTFMaterialsEmissiveStrengthExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_EMISSIVE_STRENGTH;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst emissiveStrength = materialDef.extensions[ this.name ].emissiveStrength;\n\n\t\tif ( emissiveStrength !== undefined ) {\n\n\t\t\tmaterialParams.emissiveIntensity = emissiveStrength;\n\n\t\t}\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Clearcoat Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat\n */\nclass GLTFMaterialsClearcoatExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.clearcoatFactor !== undefined ) {\n\n\t\t\tmaterialParams.clearcoat = extension.clearcoatFactor;\n\n\t\t}\n\n\t\tif ( extension.clearcoatTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatMap', extension.clearcoatTexture ) );\n\n\t\t}\n\n\t\tif ( extension.clearcoatRoughnessFactor !== undefined ) {\n\n\t\t\tmaterialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;\n\n\t\t}\n\n\t\tif ( extension.clearcoatRoughnessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) );\n\n\t\t}\n\n\t\tif ( extension.clearcoatNormalTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) );\n\n\t\t\tif ( extension.clearcoatNormalTexture.scale !== undefined ) {\n\n\t\t\t\tconst scale = extension.clearcoatNormalTexture.scale;\n\n\t\t\t\tmaterialParams.clearcoatNormalScale = new Vector2( scale, scale );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Iridescence Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence\n */\nclass GLTFMaterialsIridescenceExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_IRIDESCENCE;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.iridescenceFactor !== undefined ) {\n\n\t\t\tmaterialParams.iridescence = extension.iridescenceFactor;\n\n\t\t}\n\n\t\tif ( extension.iridescenceTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'iridescenceMap', extension.iridescenceTexture ) );\n\n\t\t}\n\n\t\tif ( extension.iridescenceIor !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceIOR = extension.iridescenceIor;\n\n\t\t}\n\n\t\tif ( materialParams.iridescenceThicknessRange === undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange = [ 100, 400 ];\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessMinimum !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange[ 0 ] = extension.iridescenceThicknessMinimum;\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessMaximum !== undefined ) {\n\n\t\t\tmaterialParams.iridescenceThicknessRange[ 1 ] = extension.iridescenceThicknessMaximum;\n\n\t\t}\n\n\t\tif ( extension.iridescenceThicknessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'iridescenceThicknessMap', extension.iridescenceThicknessTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Sheen Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_materials_sheen\n */\nclass GLTFMaterialsSheenExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_SHEEN;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tmaterialParams.sheenColor = new Color( 0, 0, 0 );\n\t\tmaterialParams.sheenRoughness = 0;\n\t\tmaterialParams.sheen = 1;\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.sheenColorFactor !== undefined ) {\n\n\t\t\tconst colorFactor = extension.sheenColorFactor;\n\t\t\tmaterialParams.sheenColor.setRGB( colorFactor[ 0 ], colorFactor[ 1 ], colorFactor[ 2 ], LinearSRGBColorSpace );\n\n\t\t}\n\n\t\tif ( extension.sheenRoughnessFactor !== undefined ) {\n\n\t\t\tmaterialParams.sheenRoughness = extension.sheenRoughnessFactor;\n\n\t\t}\n\n\t\tif ( extension.sheenColorTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'sheenColorMap', extension.sheenColorTexture, SRGBColorSpace ) );\n\n\t\t}\n\n\t\tif ( extension.sheenRoughnessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'sheenRoughnessMap', extension.sheenRoughnessTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Transmission Materials Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission\n * Draft: https://github.com/KhronosGroup/glTF/pull/1698\n */\nclass GLTFMaterialsTransmissionExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.transmissionFactor !== undefined ) {\n\n\t\t\tmaterialParams.transmission = extension.transmissionFactor;\n\n\t\t}\n\n\t\tif ( extension.transmissionTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'transmissionMap', extension.transmissionTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials Volume Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_volume\n */\nclass GLTFMaterialsVolumeExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_VOLUME;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.thickness = extension.thicknessFactor !== undefined ? extension.thicknessFactor : 0;\n\n\t\tif ( extension.thicknessTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'thicknessMap', extension.thicknessTexture ) );\n\n\t\t}\n\n\t\tmaterialParams.attenuationDistance = extension.attenuationDistance || Infinity;\n\n\t\tconst colorArray = extension.attenuationColor || [ 1, 1, 1 ];\n\t\tmaterialParams.attenuationColor = new Color().setRGB( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ], LinearSRGBColorSpace );\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials ior Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_ior\n */\nclass GLTFMaterialsIorExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_IOR;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.ior = extension.ior !== undefined ? extension.ior : 1.5;\n\n\t\treturn Promise.resolve();\n\n\t}\n\n}\n\n/**\n * Materials specular Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_specular\n */\nclass GLTFMaterialsSpecularExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_SPECULAR;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.specularIntensity = extension.specularFactor !== undefined ? extension.specularFactor : 1.0;\n\n\t\tif ( extension.specularTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularIntensityMap', extension.specularTexture ) );\n\n\t\t}\n\n\t\tconst colorArray = extension.specularColorFactor || [ 1, 1, 1 ];\n\t\tmaterialParams.specularColor = new Color().setRGB( colorArray[ 0 ], colorArray[ 1 ], colorArray[ 2 ], LinearSRGBColorSpace );\n\n\t\tif ( extension.specularColorTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'specularColorMap', extension.specularColorTexture, SRGBColorSpace ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n\n/**\n * Materials bump Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/EXT_materials_bump\n */\nclass GLTFMaterialsBumpExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_MATERIALS_BUMP;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tmaterialParams.bumpScale = extension.bumpFactor !== undefined ? extension.bumpFactor : 1.0;\n\n\t\tif ( extension.bumpTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'bumpMap', extension.bumpTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * Materials anisotropy Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_anisotropy\n */\nclass GLTFMaterialsAnisotropyExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_MATERIALS_ANISOTROPY;\n\n\t}\n\n\tgetMaterialType( materialIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;\n\n\t\treturn MeshPhysicalMaterial;\n\n\t}\n\n\textendMaterialParams( materialIndex, materialParams ) {\n\n\t\tconst parser = this.parser;\n\t\tconst materialDef = parser.json.materials[ materialIndex ];\n\n\t\tif ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {\n\n\t\t\treturn Promise.resolve();\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tconst extension = materialDef.extensions[ this.name ];\n\n\t\tif ( extension.anisotropyStrength !== undefined ) {\n\n\t\t\tmaterialParams.anisotropy = extension.anisotropyStrength;\n\n\t\t}\n\n\t\tif ( extension.anisotropyRotation !== undefined ) {\n\n\t\t\tmaterialParams.anisotropyRotation = extension.anisotropyRotation;\n\n\t\t}\n\n\t\tif ( extension.anisotropyTexture !== undefined ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'anisotropyMap', extension.anisotropyTexture ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n}\n\n/**\n * BasisU Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu\n */\nclass GLTFTextureBasisUExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.KHR_TEXTURE_BASISU;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ this.name ];\n\t\tconst loader = parser.options.ktx2Loader;\n\n\t\tif ( ! loader ) {\n\n\t\t\tif ( json.extensionsRequired \u0026\u0026 json.extensionsRequired.indexOf( this.name ) \u003e= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' );\n\n\t\t\t} else {\n\n\t\t\t\t// Assumes that the extension is optional and that a fallback texture is present\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t}\n\n}\n\n/**\n * WebP Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp\n */\nclass GLTFTextureWebPExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_TEXTURE_WEBP;\n\t\tthis.isSupported = null;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst name = this.name;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ name ];\n\t\tconst source = json.images[ extension.source ];\n\n\t\tlet loader = parser.textureLoader;\n\t\tif ( source.uri ) {\n\n\t\t\tconst handler = parser.options.manager.getHandler( source.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn this.detectSupport().then( function ( isSupported ) {\n\n\t\t\tif ( isSupported ) return parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t\t\tif ( json.extensionsRequired \u0026\u0026 json.extensionsRequired.indexOf( name ) \u003e= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: WebP required by asset but unsupported.' );\n\n\t\t\t}\n\n\t\t\t// Fall back to PNG or JPEG.\n\t\t\treturn parser.loadTexture( textureIndex );\n\n\t\t} );\n\n\t}\n\n\tdetectSupport() {\n\n\t\tif ( ! this.isSupported ) {\n\n\t\t\tthis.isSupported = new Promise( function ( resolve ) {\n\n\t\t\t\tconst image = new Image();\n\n\t\t\t\t// Lossy test image. Support for lossy images doesn't guarantee support for all\n\t\t\t\t// WebP images, unfortunately.\n\t\t\t\timage.src = 'data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA';\n\n\t\t\t\timage.onload = image.onerror = function () {\n\n\t\t\t\t\tresolve( image.height === 1 );\n\n\t\t\t\t};\n\n\t\t\t} );\n\n\t\t}\n\n\t\treturn this.isSupported;\n\n\t}\n\n}\n\n/**\n * AVIF Texture Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_avif\n */\nclass GLTFTextureAVIFExtension {\n\n\tconstructor( parser ) {\n\n\t\tthis.parser = parser;\n\t\tthis.name = EXTENSIONS.EXT_TEXTURE_AVIF;\n\t\tthis.isSupported = null;\n\n\t}\n\n\tloadTexture( textureIndex ) {\n\n\t\tconst name = this.name;\n\t\tconst parser = this.parser;\n\t\tconst json = parser.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\n\t\tif ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst extension = textureDef.extensions[ name ];\n\t\tconst source = json.images[ extension.source ];\n\n\t\tlet loader = parser.textureLoader;\n\t\tif ( source.uri ) {\n\n\t\t\tconst handler = parser.options.manager.getHandler( source.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn this.detectSupport().then( function ( isSupported ) {\n\n\t\t\tif ( isSupported ) return parser.loadTextureImage( textureIndex, extension.source, loader );\n\n\t\t\tif ( json.extensionsRequired \u0026\u0026 json.extensionsRequired.indexOf( name ) \u003e= 0 ) {\n\n\t\t\t\tthrow new Error( 'THREE.GLTFLoader: AVIF required by asset but unsupported.' );\n\n\t\t\t}\n\n\t\t\t// Fall back to PNG or JPEG.\n\t\t\treturn parser.loadTexture( textureIndex );\n\n\t\t} );\n\n\t}\n\n\tdetectSupport() {\n\n\t\tif ( ! this.isSupported ) {\n\n\t\t\tthis.isSupported = new Promise( function ( resolve ) {\n\n\t\t\t\tconst image = new Image();\n\n\t\t\t\t// Lossy test image.\n\t\t\t\timage.src = 'data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAABcAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAEAAAABAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQAMAAAAABNjb2xybmNseAACAAIABoAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAAB9tZGF0EgAKCBgABogQEDQgMgkQAAAAB8dSLfI=';\n\t\t\t\timage.onload = image.onerror = function () {\n\n\t\t\t\t\tresolve( image.height === 1 );\n\n\t\t\t\t};\n\n\t\t\t} );\n\n\t\t}\n\n\t\treturn this.isSupported;\n\n\t}\n\n}\n\n/**\n * meshopt BufferView Compression Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression\n */\nclass GLTFMeshoptCompression {\n\n\tconstructor( parser ) {\n\n\t\tthis.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION;\n\t\tthis.parser = parser;\n\n\t}\n\n\tloadBufferView( index ) {\n\n\t\tconst json = this.parser.json;\n\t\tconst bufferView = json.bufferViews[ index ];\n\n\t\tif ( bufferView.extensions \u0026\u0026 bufferView.extensions[ this.name ] ) {\n\n\t\t\tconst extensionDef = bufferView.extensions[ this.name ];\n\n\t\t\tconst buffer = this.parser.getDependency( 'buffer', extensionDef.buffer );\n\t\t\tconst decoder = this.parser.options.meshoptDecoder;\n\n\t\t\tif ( ! decoder || ! decoder.supported ) {\n\n\t\t\t\tif ( json.extensionsRequired \u0026\u0026 json.extensionsRequired.indexOf( this.name ) \u003e= 0 ) {\n\n\t\t\t\t\tthrow new Error( 'THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files' );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Assumes that the extension is optional and that fallback buffer data is present\n\t\t\t\t\treturn null;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn buffer.then( function ( res ) {\n\n\t\t\t\tconst byteOffset = extensionDef.byteOffset || 0;\n\t\t\t\tconst byteLength = extensionDef.byteLength || 0;\n\n\t\t\t\tconst count = extensionDef.count;\n\t\t\t\tconst stride = extensionDef.byteStride;\n\n\t\t\t\tconst source = new Uint8Array( res, byteOffset, byteLength );\n\n\t\t\t\tif ( decoder.decodeGltfBufferAsync ) {\n\n\t\t\t\t\treturn decoder.decodeGltfBufferAsync( count, stride, source, extensionDef.mode, extensionDef.filter ).then( function ( res ) {\n\n\t\t\t\t\t\treturn res.buffer;\n\n\t\t\t\t\t} );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Support for MeshoptDecoder 0.18 or earlier, without decodeGltfBufferAsync\n\t\t\t\t\treturn decoder.ready.then( function () {\n\n\t\t\t\t\t\tconst result = new ArrayBuffer( count * stride );\n\t\t\t\t\t\tdecoder.decodeGltfBuffer( new Uint8Array( result ), count, stride, source, extensionDef.mode, extensionDef.filter );\n\t\t\t\t\t\treturn result;\n\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t} else {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * GPU Instancing Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_mesh_gpu_instancing\n *\n */\nclass GLTFMeshGpuInstancing {\n\n\tconstructor( parser ) {\n\n\t\tthis.name = EXTENSIONS.EXT_MESH_GPU_INSTANCING;\n\t\tthis.parser = parser;\n\n\t}\n\n\tcreateNodeMesh( nodeIndex ) {\n\n\t\tconst json = this.parser.json;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tif ( ! nodeDef.extensions || ! nodeDef.extensions[ this.name ] ||\n\t\t\tnodeDef.mesh === undefined ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tconst meshDef = json.meshes[ nodeDef.mesh ];\n\n\t\t// No Points or Lines + Instancing support yet\n\n\t\tfor ( const primitive of meshDef.primitives ) {\n\n\t\t\tif ( primitive.mode !== WEBGL_CONSTANTS.TRIANGLES \u0026\u0026\n\t\t\t\t primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_STRIP \u0026\u0026\n\t\t\t\t primitive.mode !== WEBGL_CONSTANTS.TRIANGLE_FAN \u0026\u0026\n\t\t\t\t primitive.mode !== undefined ) {\n\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t}\n\n\t\tconst extensionDef = nodeDef.extensions[ this.name ];\n\t\tconst attributesDef = extensionDef.attributes;\n\n\t\t// @TODO: Can we support InstancedMesh + SkinnedMesh?\n\n\t\tconst pending = [];\n\t\tconst attributes = {};\n\n\t\tfor ( const key in attributesDef ) {\n\n\t\t\tpending.push( this.parser.getDependency( 'accessor', attributesDef[ key ] ).then( accessor =\u003e {\n\n\t\t\t\tattributes[ key ] = accessor;\n\t\t\t\treturn attributes[ key ];\n\n\t\t\t} ) );\n\n\t\t}\n\n\t\tif ( pending.length \u003c 1 ) {\n\n\t\t\treturn null;\n\n\t\t}\n\n\t\tpending.push( this.parser.createNodeMesh( nodeIndex ) );\n\n\t\treturn Promise.all( pending ).then( results =\u003e {\n\n\t\t\tconst nodeObject = results.pop();\n\t\t\tconst meshes = nodeObject.isGroup ? nodeObject.children : [ nodeObject ];\n\t\t\tconst count = results[ 0 ].count; // All attribute counts should be same\n\t\t\tconst instancedMeshes = [];\n\n\t\t\tfor ( const mesh of meshes ) {\n\n\t\t\t\t// Temporal variables\n\t\t\t\tconst m = new Matrix4();\n\t\t\t\tconst p = new Vector3();\n\t\t\t\tconst q = new Quaternion();\n\t\t\t\tconst s = new Vector3( 1, 1, 1 );\n\n\t\t\t\tconst instancedMesh = new InstancedMesh( mesh.geometry, mesh.material, count );\n\n\t\t\t\tfor ( let i = 0; i \u003c count; i ++ ) {\n\n\t\t\t\t\tif ( attributes.TRANSLATION ) {\n\n\t\t\t\t\t\tp.fromBufferAttribute( attributes.TRANSLATION, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attributes.ROTATION ) {\n\n\t\t\t\t\t\tq.fromBufferAttribute( attributes.ROTATION, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( attributes.SCALE ) {\n\n\t\t\t\t\t\ts.fromBufferAttribute( attributes.SCALE, i );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tinstancedMesh.setMatrixAt( i, m.compose( p, q, s ) );\n\n\t\t\t\t}\n\n\t\t\t\t// Add instance attributes to the geometry, excluding TRS.\n\t\t\t\tfor ( const attributeName in attributes ) {\n\n\t\t\t\t\tif ( attributeName === '_COLOR_0' ) {\n\n\t\t\t\t\t\tconst attr = attributes[ attributeName ];\n\t\t\t\t\t\tinstancedMesh.instanceColor = new InstancedBufferAttribute( attr.array, attr.itemSize, attr.normalized );\n\n\t\t\t\t\t} else if ( attributeName !== 'TRANSLATION' \u0026\u0026\n\t\t\t\t\t\t attributeName !== 'ROTATION' \u0026\u0026\n\t\t\t\t\t\t attributeName !== 'SCALE' ) {\n\n\t\t\t\t\t\tmesh.geometry.setAttribute( attributeName, attributes[ attributeName ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Just in case\n\t\t\t\tObject3D.prototype.copy.call( instancedMesh, mesh );\n\n\t\t\t\tthis.parser.assignFinalMaterial( instancedMesh );\n\n\t\t\t\tinstancedMeshes.push( instancedMesh );\n\n\t\t\t}\n\n\t\t\tif ( nodeObject.isGroup ) {\n\n\t\t\t\tnodeObject.clear();\n\n\t\t\t\tnodeObject.add( ... instancedMeshes );\n\n\t\t\t\treturn nodeObject;\n\n\t\t\t}\n\n\t\t\treturn instancedMeshes[ 0 ];\n\n\t\t} );\n\n\t}\n\n}\n\n/* BINARY EXTENSION */\nconst BINARY_EXTENSION_HEADER_MAGIC = 'glTF';\nconst BINARY_EXTENSION_HEADER_LENGTH = 12;\nconst BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 };\n\nclass GLTFBinaryExtension {\n\n\tconstructor( data ) {\n\n\t\tthis.name = EXTENSIONS.KHR_BINARY_GLTF;\n\t\tthis.content = null;\n\t\tthis.body = null;\n\n\t\tconst headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );\n\t\tconst textDecoder = new TextDecoder();\n\n\t\tthis.header = {\n\t\t\tmagic: textDecoder.decode( new Uint8Array( data.slice( 0, 4 ) ) ),\n\t\t\tversion: headerView.getUint32( 4, true ),\n\t\t\tlength: headerView.getUint32( 8, true )\n\t\t};\n\n\t\tif ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );\n\n\t\t} else if ( this.header.version \u003c 2.0 ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Legacy binary file detected.' );\n\n\t\t}\n\n\t\tconst chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH;\n\t\tconst chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );\n\t\tlet chunkIndex = 0;\n\n\t\twhile ( chunkIndex \u003c chunkContentsLength ) {\n\n\t\t\tconst chunkLength = chunkView.getUint32( chunkIndex, true );\n\t\t\tchunkIndex += 4;\n\n\t\t\tconst chunkType = chunkView.getUint32( chunkIndex, true );\n\t\t\tchunkIndex += 4;\n\n\t\t\tif ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {\n\n\t\t\t\tconst contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );\n\t\t\t\tthis.content = textDecoder.decode( contentArray );\n\n\t\t\t} else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {\n\n\t\t\t\tconst byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;\n\t\t\t\tthis.body = data.slice( byteOffset, byteOffset + chunkLength );\n\n\t\t\t}\n\n\t\t\t// Clients must ignore chunks with unknown types.\n\n\t\t\tchunkIndex += chunkLength;\n\n\t\t}\n\n\t\tif ( this.content === null ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: JSON content not found.' );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * DRACO Mesh Compression Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression\n */\nclass GLTFDracoMeshCompressionExtension {\n\n\tconstructor( json, dracoLoader ) {\n\n\t\tif ( ! dracoLoader ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' );\n\n\t\t}\n\n\t\tthis.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;\n\t\tthis.json = json;\n\t\tthis.dracoLoader = dracoLoader;\n\t\tthis.dracoLoader.preload();\n\n\t}\n\n\tdecodePrimitive( primitive, parser ) {\n\n\t\tconst json = this.json;\n\t\tconst dracoLoader = this.dracoLoader;\n\t\tconst bufferViewIndex = primitive.extensions[ this.name ].bufferView;\n\t\tconst gltfAttributeMap = primitive.extensions[ this.name ].attributes;\n\t\tconst threeAttributeMap = {};\n\t\tconst attributeNormalizedMap = {};\n\t\tconst attributeTypeMap = {};\n\n\t\tfor ( const attributeName in gltfAttributeMap ) {\n\n\t\t\tconst threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();\n\n\t\t\tthreeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ];\n\n\t\t}\n\n\t\tfor ( const attributeName in primitive.attributes ) {\n\n\t\t\tconst threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();\n\n\t\t\tif ( gltfAttributeMap[ attributeName ] !== undefined ) {\n\n\t\t\t\tconst accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];\n\t\t\t\tconst componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\n\t\t\t\tattributeTypeMap[ threeAttributeName ] = componentType.name;\n\t\t\t\tattributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true;\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {\n\n\t\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\t\tdracoLoader.decodeDracoFile( bufferView, function ( geometry ) {\n\n\t\t\t\t\tfor ( const attributeName in geometry.attributes ) {\n\n\t\t\t\t\t\tconst attribute = geometry.attributes[ attributeName ];\n\t\t\t\t\t\tconst normalized = attributeNormalizedMap[ attributeName ];\n\n\t\t\t\t\t\tif ( normalized !== undefined ) attribute.normalized = normalized;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tresolve( geometry );\n\n\t\t\t\t}, threeAttributeMap, attributeTypeMap, LinearSRGBColorSpace, reject );\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n}\n\n/**\n * Texture Transform Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform\n */\nclass GLTFTextureTransformExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;\n\n\t}\n\n\textendTexture( texture, transform ) {\n\n\t\tif ( ( transform.texCoord === undefined || transform.texCoord === texture.channel )\n\t\t\t\u0026\u0026 transform.offset === undefined\n\t\t\t\u0026\u0026 transform.rotation === undefined\n\t\t\t\u0026\u0026 transform.scale === undefined ) {\n\n\t\t\t// See https://github.com/mrdoob/three.js/issues/21819.\n\t\t\treturn texture;\n\n\t\t}\n\n\t\ttexture = texture.clone();\n\n\t\tif ( transform.texCoord !== undefined ) {\n\n\t\t\ttexture.channel = transform.texCoord;\n\n\t\t}\n\n\t\tif ( transform.offset !== undefined ) {\n\n\t\t\ttexture.offset.fromArray( transform.offset );\n\n\t\t}\n\n\t\tif ( transform.rotation !== undefined ) {\n\n\t\t\ttexture.rotation = transform.rotation;\n\n\t\t}\n\n\t\tif ( transform.scale !== undefined ) {\n\n\t\t\ttexture.repeat.fromArray( transform.scale );\n\n\t\t}\n\n\t\ttexture.needsUpdate = true;\n\n\t\treturn texture;\n\n\t}\n\n}\n\n/**\n * Mesh Quantization Extension\n *\n * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization\n */\nclass GLTFMeshQuantizationExtension {\n\n\tconstructor() {\n\n\t\tthis.name = EXTENSIONS.KHR_MESH_QUANTIZATION;\n\n\t}\n\n}\n\n/*********************************/\n/********** INTERPOLATION ********/\n/*********************************/\n\n// Spline Interpolation\n// Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation\nclass GLTFCubicSplineInterpolant extends Interpolant {\n\n\tconstructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) {\n\n\t\tsuper( parameterPositions, sampleValues, sampleSize, resultBuffer );\n\n\t}\n\n\tcopySampleValue_( index ) {\n\n\t\t// Copies a sample value to the result buffer. See description of glTF\n\t\t// CUBICSPLINE values layout in interpolate_() function below.\n\n\t\tconst result = this.resultBuffer,\n\t\t\tvalues = this.sampleValues,\n\t\t\tvalueSize = this.valueSize,\n\t\t\toffset = index * valueSize * 3 + valueSize;\n\n\t\tfor ( let i = 0; i !== valueSize; i ++ ) {\n\n\t\t\tresult[ i ] = values[ offset + i ];\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = this.resultBuffer;\n\t\tconst values = this.sampleValues;\n\t\tconst stride = this.valueSize;\n\n\t\tconst stride2 = stride * 2;\n\t\tconst stride3 = stride * 3;\n\n\t\tconst td = t1 - t0;\n\n\t\tconst p = ( t - t0 ) / td;\n\t\tconst pp = p * p;\n\t\tconst ppp = pp * p;\n\n\t\tconst offset1 = i1 * stride3;\n\t\tconst offset0 = offset1 - stride3;\n\n\t\tconst s2 = - 2 * ppp + 3 * pp;\n\t\tconst s3 = ppp - pp;\n\t\tconst s0 = 1 - s2;\n\t\tconst s1 = s3 - pp + p;\n\n\t\t// Layout of keyframe output values for CUBICSPLINE animations:\n\t\t//   [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]\n\t\tfor ( let i = 0; i !== stride; i ++ ) {\n\n\t\t\tconst p0 = values[ offset0 + i + stride ]; // splineVertex_k\n\t\t\tconst m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)\n\t\t\tconst p1 = values[ offset1 + i + stride ]; // splineVertex_k+1\n\t\t\tconst m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k)\n\n\t\t\tresult[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;\n\n\t\t}\n\n\t\treturn result;\n\n\t}\n\n}\n\nconst _q = new Quaternion();\n\nclass GLTFCubicSplineQuaternionInterpolant extends GLTFCubicSplineInterpolant {\n\n\tinterpolate_( i1, t0, t, t1 ) {\n\n\t\tconst result = super.interpolate_( i1, t0, t, t1 );\n\n\t\t_q.fromArray( result ).normalize().toArray( result );\n\n\t\treturn result;\n\n\t}\n\n}\n\n\n/*********************************/\n/********** INTERNALS ************/\n/*********************************/\n\n/* CONSTANTS */\n\nconst WEBGL_CONSTANTS = {\n\tFLOAT: 5126,\n\t//FLOAT_MAT2: 35674,\n\tFLOAT_MAT3: 35675,\n\tFLOAT_MAT4: 35676,\n\tFLOAT_VEC2: 35664,\n\tFLOAT_VEC3: 35665,\n\tFLOAT_VEC4: 35666,\n\tLINEAR: 9729,\n\tREPEAT: 10497,\n\tSAMPLER_2D: 35678,\n\tPOINTS: 0,\n\tLINES: 1,\n\tLINE_LOOP: 2,\n\tLINE_STRIP: 3,\n\tTRIANGLES: 4,\n\tTRIANGLE_STRIP: 5,\n\tTRIANGLE_FAN: 6,\n\tUNSIGNED_BYTE: 5121,\n\tUNSIGNED_SHORT: 5123\n};\n\nconst WEBGL_COMPONENT_TYPES = {\n\t5120: Int8Array,\n\t5121: Uint8Array,\n\t5122: Int16Array,\n\t5123: Uint16Array,\n\t5125: Uint32Array,\n\t5126: Float32Array\n};\n\nconst WEBGL_FILTERS = {\n\t9728: NearestFilter,\n\t9729: LinearFilter,\n\t9984: NearestMipmapNearestFilter,\n\t9985: LinearMipmapNearestFilter,\n\t9986: NearestMipmapLinearFilter,\n\t9987: LinearMipmapLinearFilter\n};\n\nconst WEBGL_WRAPPINGS = {\n\t33071: ClampToEdgeWrapping,\n\t33648: MirroredRepeatWrapping,\n\t10497: RepeatWrapping\n};\n\nconst WEBGL_TYPE_SIZES = {\n\t'SCALAR': 1,\n\t'VEC2': 2,\n\t'VEC3': 3,\n\t'VEC4': 4,\n\t'MAT2': 4,\n\t'MAT3': 9,\n\t'MAT4': 16\n};\n\nconst ATTRIBUTES = {\n\tPOSITION: 'position',\n\tNORMAL: 'normal',\n\tTANGENT: 'tangent',\n\tTEXCOORD_0: 'uv',\n\tTEXCOORD_1: 'uv1',\n\tTEXCOORD_2: 'uv2',\n\tTEXCOORD_3: 'uv3',\n\tCOLOR_0: 'color',\n\tWEIGHTS_0: 'skinWeight',\n\tJOINTS_0: 'skinIndex',\n};\n\nconst PATH_PROPERTIES = {\n\tscale: 'scale',\n\ttranslation: 'position',\n\trotation: 'quaternion',\n\tweights: 'morphTargetInfluences'\n};\n\nconst INTERPOLATION = {\n\tCUBICSPLINE: undefined, // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each\n\t\t                        // keyframe track will be initialized with a default interpolation type, then modified.\n\tLINEAR: InterpolateLinear,\n\tSTEP: InterpolateDiscrete\n};\n\nconst ALPHA_MODES = {\n\tOPAQUE: 'OPAQUE',\n\tMASK: 'MASK',\n\tBLEND: 'BLEND'\n};\n\n/**\n * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material\n */\nfunction createDefaultMaterial( cache ) {\n\n\tif ( cache[ 'DefaultMaterial' ] === undefined ) {\n\n\t\tcache[ 'DefaultMaterial' ] = new MeshStandardMaterial( {\n\t\t\tcolor: 0xFFFFFF,\n\t\t\temissive: 0x000000,\n\t\t\tmetalness: 1,\n\t\t\troughness: 1,\n\t\t\ttransparent: false,\n\t\t\tdepthTest: true,\n\t\t\tside: FrontSide\n\t\t} );\n\n\t}\n\n\treturn cache[ 'DefaultMaterial' ];\n\n}\n\nfunction addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {\n\n\t// Add unknown glTF extensions to an object's userData.\n\n\tfor ( const name in objectDef.extensions ) {\n\n\t\tif ( knownExtensions[ name ] === undefined ) {\n\n\t\t\tobject.userData.gltfExtensions = object.userData.gltfExtensions || {};\n\t\t\tobject.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * @param {Object3D|Material|BufferGeometry} object\n * @param {GLTF.definition} gltfDef\n */\nfunction assignExtrasToUserData( object, gltfDef ) {\n\n\tif ( gltfDef.extras !== undefined ) {\n\n\t\tif ( typeof gltfDef.extras === 'object' ) {\n\n\t\t\tObject.assign( object.userData, gltfDef.extras );\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets\n *\n * @param {BufferGeometry} geometry\n * @param {Array\u003cGLTF.Target\u003e} targets\n * @param {GLTFParser} parser\n * @return {Promise\u003cBufferGeometry\u003e}\n */\nfunction addMorphTargets( geometry, targets, parser ) {\n\n\tlet hasMorphPosition = false;\n\tlet hasMorphNormal = false;\n\tlet hasMorphColor = false;\n\n\tfor ( let i = 0, il = targets.length; i \u003c il; i ++ ) {\n\n\t\tconst target = targets[ i ];\n\n\t\tif ( target.POSITION !== undefined ) hasMorphPosition = true;\n\t\tif ( target.NORMAL !== undefined ) hasMorphNormal = true;\n\t\tif ( target.COLOR_0 !== undefined ) hasMorphColor = true;\n\n\t\tif ( hasMorphPosition \u0026\u0026 hasMorphNormal \u0026\u0026 hasMorphColor ) break;\n\n\t}\n\n\tif ( ! hasMorphPosition \u0026\u0026 ! hasMorphNormal \u0026\u0026 ! hasMorphColor ) return Promise.resolve( geometry );\n\n\tconst pendingPositionAccessors = [];\n\tconst pendingNormalAccessors = [];\n\tconst pendingColorAccessors = [];\n\n\tfor ( let i = 0, il = targets.length; i \u003c il; i ++ ) {\n\n\t\tconst target = targets[ i ];\n\n\t\tif ( hasMorphPosition ) {\n\n\t\t\tconst pendingAccessor = target.POSITION !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.POSITION )\n\t\t\t\t: geometry.attributes.position;\n\n\t\t\tpendingPositionAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t\tif ( hasMorphNormal ) {\n\n\t\t\tconst pendingAccessor = target.NORMAL !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.NORMAL )\n\t\t\t\t: geometry.attributes.normal;\n\n\t\t\tpendingNormalAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t\tif ( hasMorphColor ) {\n\n\t\t\tconst pendingAccessor = target.COLOR_0 !== undefined\n\t\t\t\t? parser.getDependency( 'accessor', target.COLOR_0 )\n\t\t\t\t: geometry.attributes.color;\n\n\t\t\tpendingColorAccessors.push( pendingAccessor );\n\n\t\t}\n\n\t}\n\n\treturn Promise.all( [\n\t\tPromise.all( pendingPositionAccessors ),\n\t\tPromise.all( pendingNormalAccessors ),\n\t\tPromise.all( pendingColorAccessors )\n\t] ).then( function ( accessors ) {\n\n\t\tconst morphPositions = accessors[ 0 ];\n\t\tconst morphNormals = accessors[ 1 ];\n\t\tconst morphColors = accessors[ 2 ];\n\n\t\tif ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;\n\t\tif ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;\n\t\tif ( hasMorphColor ) geometry.morphAttributes.color = morphColors;\n\t\tgeometry.morphTargetsRelative = true;\n\n\t\treturn geometry;\n\n\t} );\n\n}\n\n/**\n * @param {Mesh} mesh\n * @param {GLTF.Mesh} meshDef\n */\nfunction updateMorphTargets( mesh, meshDef ) {\n\n\tmesh.updateMorphTargets();\n\n\tif ( meshDef.weights !== undefined ) {\n\n\t\tfor ( let i = 0, il = meshDef.weights.length; i \u003c il; i ++ ) {\n\n\t\t\tmesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];\n\n\t\t}\n\n\t}\n\n\t// .extras has user-defined data, so check that .extras.targetNames is an array.\n\tif ( meshDef.extras \u0026\u0026 Array.isArray( meshDef.extras.targetNames ) ) {\n\n\t\tconst targetNames = meshDef.extras.targetNames;\n\n\t\tif ( mesh.morphTargetInfluences.length === targetNames.length ) {\n\n\t\t\tmesh.morphTargetDictionary = {};\n\n\t\t\tfor ( let i = 0, il = targetNames.length; i \u003c il; i ++ ) {\n\n\t\t\t\tmesh.morphTargetDictionary[ targetNames[ i ] ] = i;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' );\n\n\t\t}\n\n\t}\n\n}\n\nfunction createPrimitiveKey( primitiveDef ) {\n\n\tlet geometryKey;\n\n\tconst dracoExtension = primitiveDef.extensions \u0026\u0026 primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ];\n\n\tif ( dracoExtension ) {\n\n\t\tgeometryKey = 'draco:' + dracoExtension.bufferView\n\t\t\t\t+ ':' + dracoExtension.indices\n\t\t\t\t+ ':' + createAttributesKey( dracoExtension.attributes );\n\n\t} else {\n\n\t\tgeometryKey = primitiveDef.indices + ':' + createAttributesKey( primitiveDef.attributes ) + ':' + primitiveDef.mode;\n\n\t}\n\n\tif ( primitiveDef.targets !== undefined ) {\n\n\t\tfor ( let i = 0, il = primitiveDef.targets.length; i \u003c il; i ++ ) {\n\n\t\t\tgeometryKey += ':' + createAttributesKey( primitiveDef.targets[ i ] );\n\n\t\t}\n\n\t}\n\n\treturn geometryKey;\n\n}\n\nfunction createAttributesKey( attributes ) {\n\n\tlet attributesKey = '';\n\n\tconst keys = Object.keys( attributes ).sort();\n\n\tfor ( let i = 0, il = keys.length; i \u003c il; i ++ ) {\n\n\t\tattributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';';\n\n\t}\n\n\treturn attributesKey;\n\n}\n\nfunction getNormalizedComponentScale( constructor ) {\n\n\t// Reference:\n\t// https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data\n\n\tswitch ( constructor ) {\n\n\t\tcase Int8Array:\n\t\t\treturn 1 / 127;\n\n\t\tcase Uint8Array:\n\t\t\treturn 1 / 255;\n\n\t\tcase Int16Array:\n\t\t\treturn 1 / 32767;\n\n\t\tcase Uint16Array:\n\t\t\treturn 1 / 65535;\n\n\t\tdefault:\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Unsupported normalized accessor component type.' );\n\n\t}\n\n}\n\nfunction getImageURIMimeType( uri ) {\n\n\tif ( uri.search( /\\.jpe?g($|\\?)/i ) \u003e 0 || uri.search( /^data\\:image\\/jpeg/ ) === 0 ) return 'image/jpeg';\n\tif ( uri.search( /\\.webp($|\\?)/i ) \u003e 0 || uri.search( /^data\\:image\\/webp/ ) === 0 ) return 'image/webp';\n\n\treturn 'image/png';\n\n}\n\nconst _identityMatrix = new Matrix4();\n\n/* GLTF PARSER */\n\nclass GLTFParser {\n\n\tconstructor( json = {}, options = {} ) {\n\n\t\tthis.json = json;\n\t\tthis.extensions = {};\n\t\tthis.plugins = {};\n\t\tthis.options = options;\n\n\t\t// loader object cache\n\t\tthis.cache = new GLTFRegistry();\n\n\t\t// associations between Three.js objects and glTF elements\n\t\tthis.associations = new Map();\n\n\t\t// BufferGeometry caching\n\t\tthis.primitiveCache = {};\n\n\t\t// Node cache\n\t\tthis.nodeCache = {};\n\n\t\t// Object3D instance caches\n\t\tthis.meshCache = { refs: {}, uses: {} };\n\t\tthis.cameraCache = { refs: {}, uses: {} };\n\t\tthis.lightCache = { refs: {}, uses: {} };\n\n\t\tthis.sourceCache = {};\n\t\tthis.textureCache = {};\n\n\t\t// Track node names, to ensure no duplicates\n\t\tthis.nodeNamesUsed = {};\n\n\t\t// Use an ImageBitmapLoader if imageBitmaps are supported. Moves much of the\n\t\t// expensive work of uploading a texture to the GPU off the main thread.\n\n\t\tlet isSafari = false;\n\t\tlet isFirefox = false;\n\t\tlet firefoxVersion = - 1;\n\n\t\tif ( typeof navigator !== 'undefined' ) {\n\n\t\t\tisSafari = /^((?!chrome|android).)*safari/i.test( navigator.userAgent ) === true;\n\t\t\tisFirefox = navigator.userAgent.indexOf( 'Firefox' ) \u003e - 1;\n\t\t\tfirefoxVersion = isFirefox ? navigator.userAgent.match( /Firefox\\/([0-9]+)\\./ )[ 1 ] : - 1;\n\n\t\t}\n\n\t\tif ( typeof createImageBitmap === 'undefined' || isSafari || ( isFirefox \u0026\u0026 firefoxVersion \u003c 98 ) ) {\n\n\t\t\tthis.textureLoader = new TextureLoader( this.options.manager );\n\n\t\t} else {\n\n\t\t\tthis.textureLoader = new ImageBitmapLoader( this.options.manager );\n\n\t\t}\n\n\t\tthis.textureLoader.setCrossOrigin( this.options.crossOrigin );\n\t\tthis.textureLoader.setRequestHeader( this.options.requestHeader );\n\n\t\tthis.fileLoader = new FileLoader( this.options.manager );\n\t\tthis.fileLoader.setResponseType( 'arraybuffer' );\n\n\t\tif ( this.options.crossOrigin === 'use-credentials' ) {\n\n\t\t\tthis.fileLoader.setWithCredentials( true );\n\n\t\t}\n\n\t}\n\n\tsetExtensions( extensions ) {\n\n\t\tthis.extensions = extensions;\n\n\t}\n\n\tsetPlugins( plugins ) {\n\n\t\tthis.plugins = plugins;\n\n\t}\n\n\tparse( onLoad, onError ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\n\t\t// Clear the loader cache\n\t\tthis.cache.removeAll();\n\t\tthis.nodeCache = {};\n\n\t\t// Mark the special nodes/meshes in json for efficient parse\n\t\tthis._invokeAll( function ( ext ) {\n\n\t\t\treturn ext._markDefs \u0026\u0026 ext._markDefs();\n\n\t\t} );\n\n\t\tPromise.all( this._invokeAll( function ( ext ) {\n\n\t\t\treturn ext.beforeRoot \u0026\u0026 ext.beforeRoot();\n\n\t\t} ) ).then( function () {\n\n\t\t\treturn Promise.all( [\n\n\t\t\t\tparser.getDependencies( 'scene' ),\n\t\t\t\tparser.getDependencies( 'animation' ),\n\t\t\t\tparser.getDependencies( 'camera' ),\n\n\t\t\t] );\n\n\t\t} ).then( function ( dependencies ) {\n\n\t\t\tconst result = {\n\t\t\t\tscene: dependencies[ 0 ][ json.scene || 0 ],\n\t\t\t\tscenes: dependencies[ 0 ],\n\t\t\t\tanimations: dependencies[ 1 ],\n\t\t\t\tcameras: dependencies[ 2 ],\n\t\t\t\tasset: json.asset,\n\t\t\t\tparser: parser,\n\t\t\t\tuserData: {}\n\t\t\t};\n\n\t\t\taddUnknownExtensionsToUserData( extensions, result, json );\n\n\t\t\tassignExtrasToUserData( result, json );\n\n\t\t\treturn Promise.all( parser._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.afterRoot \u0026\u0026 ext.afterRoot( result );\n\n\t\t\t} ) ).then( function () {\n\n\t\t\t\tonLoad( result );\n\n\t\t\t} );\n\n\t\t} ).catch( onError );\n\n\t}\n\n\t/**\n\t * Marks the special nodes/meshes in json for efficient parse.\n\t */\n\t_markDefs() {\n\n\t\tconst nodeDefs = this.json.nodes || [];\n\t\tconst skinDefs = this.json.skins || [];\n\t\tconst meshDefs = this.json.meshes || [];\n\n\t\t// Nothing in the node definition indicates whether it is a Bone or an\n\t\t// Object3D. Use the skins' joint references to mark bones.\n\t\tfor ( let skinIndex = 0, skinLength = skinDefs.length; skinIndex \u003c skinLength; skinIndex ++ ) {\n\n\t\t\tconst joints = skinDefs[ skinIndex ].joints;\n\n\t\t\tfor ( let i = 0, il = joints.length; i \u003c il; i ++ ) {\n\n\t\t\t\tnodeDefs[ joints[ i ] ].isBone = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Iterate over all nodes, marking references to shared resources,\n\t\t// as well as skeleton joints.\n\t\tfor ( let nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex \u003c nodeLength; nodeIndex ++ ) {\n\n\t\t\tconst nodeDef = nodeDefs[ nodeIndex ];\n\n\t\t\tif ( nodeDef.mesh !== undefined ) {\n\n\t\t\t\tthis._addNodeRef( this.meshCache, nodeDef.mesh );\n\n\t\t\t\t// Nothing in the mesh definition indicates whether it is\n\t\t\t\t// a SkinnedMesh or Mesh. Use the node's mesh reference\n\t\t\t\t// to mark SkinnedMesh if node has skin.\n\t\t\t\tif ( nodeDef.skin !== undefined ) {\n\n\t\t\t\t\tmeshDefs[ nodeDef.mesh ].isSkinnedMesh = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.camera !== undefined ) {\n\n\t\t\t\tthis._addNodeRef( this.cameraCache, nodeDef.camera );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Counts references to shared node / Object3D resources. These resources\n\t * can be reused, or \"instantiated\", at multiple nodes in the scene\n\t * hierarchy. Mesh, Camera, and Light instances are instantiated and must\n\t * be marked. Non-scenegraph resources (like Materials, Geometries, and\n\t * Textures) can be reused directly and are not marked here.\n\t *\n\t * Example: CesiumMilkTruck sample model reuses \"Wheel\" meshes.\n\t */\n\t_addNodeRef( cache, index ) {\n\n\t\tif ( index === undefined ) return;\n\n\t\tif ( cache.refs[ index ] === undefined ) {\n\n\t\t\tcache.refs[ index ] = cache.uses[ index ] = 0;\n\n\t\t}\n\n\t\tcache.refs[ index ] ++;\n\n\t}\n\n\t/** Returns a reference to a shared resource, cloning it if necessary. */\n\t_getNodeRef( cache, index, object ) {\n\n\t\tif ( cache.refs[ index ] \u003c= 1 ) return object;\n\n\t\tconst ref = object.clone();\n\n\t\t// Propagates mappings to the cloned object, prevents mappings on the\n\t\t// original object from being lost.\n\t\tconst updateMappings = ( original, clone ) =\u003e {\n\n\t\t\tconst mappings = this.associations.get( original );\n\t\t\tif ( mappings != null ) {\n\n\t\t\t\tthis.associations.set( clone, mappings );\n\n\t\t\t}\n\n\t\t\tfor ( const [ i, child ] of original.children.entries() ) {\n\n\t\t\t\tupdateMappings( child, clone.children[ i ] );\n\n\t\t\t}\n\n\t\t};\n\n\t\tupdateMappings( object, ref );\n\n\t\tref.name += '_instance_' + ( cache.uses[ index ] ++ );\n\n\t\treturn ref;\n\n\t}\n\n\t_invokeOne( func ) {\n\n\t\tconst extensions = Object.values( this.plugins );\n\t\textensions.push( this );\n\n\t\tfor ( let i = 0; i \u003c extensions.length; i ++ ) {\n\n\t\t\tconst result = func( extensions[ i ] );\n\n\t\t\tif ( result ) return result;\n\n\t\t}\n\n\t\treturn null;\n\n\t}\n\n\t_invokeAll( func ) {\n\n\t\tconst extensions = Object.values( this.plugins );\n\t\textensions.unshift( this );\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0; i \u003c extensions.length; i ++ ) {\n\n\t\t\tconst result = func( extensions[ i ] );\n\n\t\t\tif ( result ) pending.push( result );\n\n\t\t}\n\n\t\treturn pending;\n\n\t}\n\n\t/**\n\t * Requests the specified dependency asynchronously, with caching.\n\t * @param {string} type\n\t * @param {number} index\n\t * @return {Promise\u003cObject3D|Material|THREE.Texture|AnimationClip|ArrayBuffer|Object\u003e}\n\t */\n\tgetDependency( type, index ) {\n\n\t\tconst cacheKey = type + ':' + index;\n\t\tlet dependency = this.cache.get( cacheKey );\n\n\t\tif ( ! dependency ) {\n\n\t\t\tswitch ( type ) {\n\n\t\t\t\tcase 'scene':\n\t\t\t\t\tdependency = this.loadScene( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'node':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadNode \u0026\u0026 ext.loadNode( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'mesh':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadMesh \u0026\u0026 ext.loadMesh( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'accessor':\n\t\t\t\t\tdependency = this.loadAccessor( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'bufferView':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadBufferView \u0026\u0026 ext.loadBufferView( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'buffer':\n\t\t\t\t\tdependency = this.loadBuffer( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'material':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadMaterial \u0026\u0026 ext.loadMaterial( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'texture':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadTexture \u0026\u0026 ext.loadTexture( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'skin':\n\t\t\t\t\tdependency = this.loadSkin( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'animation':\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext.loadAnimation \u0026\u0026 ext.loadAnimation( index );\n\n\t\t\t\t\t} );\n\t\t\t\t\tbreak;\n\n\t\t\t\tcase 'camera':\n\t\t\t\t\tdependency = this.loadCamera( index );\n\t\t\t\t\tbreak;\n\n\t\t\t\tdefault:\n\t\t\t\t\tdependency = this._invokeOne( function ( ext ) {\n\n\t\t\t\t\t\treturn ext != this \u0026\u0026 ext.getDependency \u0026\u0026 ext.getDependency( type, index );\n\n\t\t\t\t\t} );\n\n\t\t\t\t\tif ( ! dependency ) {\n\n\t\t\t\t\t\tthrow new Error( 'Unknown type: ' + type );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tthis.cache.add( cacheKey, dependency );\n\n\t\t}\n\n\t\treturn dependency;\n\n\t}\n\n\t/**\n\t * Requests all dependencies of the specified type asynchronously, with caching.\n\t * @param {string} type\n\t * @return {Promise\u003cArray\u003cObject\u003e\u003e}\n\t */\n\tgetDependencies( type ) {\n\n\t\tlet dependencies = this.cache.get( type );\n\n\t\tif ( ! dependencies ) {\n\n\t\t\tconst parser = this;\n\t\t\tconst defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];\n\n\t\t\tdependencies = Promise.all( defs.map( function ( def, index ) {\n\n\t\t\t\treturn parser.getDependency( type, index );\n\n\t\t\t} ) );\n\n\t\t\tthis.cache.add( type, dependencies );\n\n\t\t}\n\n\t\treturn dependencies;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views\n\t * @param {number} bufferIndex\n\t * @return {Promise\u003cArrayBuffer\u003e}\n\t */\n\tloadBuffer( bufferIndex ) {\n\n\t\tconst bufferDef = this.json.buffers[ bufferIndex ];\n\t\tconst loader = this.fileLoader;\n\n\t\tif ( bufferDef.type \u0026\u0026 bufferDef.type !== 'arraybuffer' ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );\n\n\t\t}\n\n\t\t// If present, GLB container is required to be the first buffer.\n\t\tif ( bufferDef.uri === undefined \u0026\u0026 bufferIndex === 0 ) {\n\n\t\t\treturn Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );\n\n\t\t}\n\n\t\tconst options = this.options;\n\n\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\tloader.load( LoaderUtils.resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {\n\n\t\t\t\treject( new Error( 'THREE.GLTFLoader: Failed to load buffer \"' + bufferDef.uri + '\".' ) );\n\n\t\t\t} );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views\n\t * @param {number} bufferViewIndex\n\t * @return {Promise\u003cArrayBuffer\u003e}\n\t */\n\tloadBufferView( bufferViewIndex ) {\n\n\t\tconst bufferViewDef = this.json.bufferViews[ bufferViewIndex ];\n\n\t\treturn this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {\n\n\t\t\tconst byteLength = bufferViewDef.byteLength || 0;\n\t\t\tconst byteOffset = bufferViewDef.byteOffset || 0;\n\t\t\treturn buffer.slice( byteOffset, byteOffset + byteLength );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors\n\t * @param {number} accessorIndex\n\t * @return {Promise\u003cBufferAttribute|InterleavedBufferAttribute\u003e}\n\t */\n\tloadAccessor( accessorIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\n\t\tconst accessorDef = this.json.accessors[ accessorIndex ];\n\n\t\tif ( accessorDef.bufferView === undefined \u0026\u0026 accessorDef.sparse === undefined ) {\n\n\t\t\tconst itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];\n\t\t\tconst TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\t\t\tconst normalized = accessorDef.normalized === true;\n\n\t\t\tconst array = new TypedArray( accessorDef.count * itemSize );\n\t\t\treturn Promise.resolve( new BufferAttribute( array, itemSize, normalized ) );\n\n\t\t}\n\n\t\tconst pendingBufferViews = [];\n\n\t\tif ( accessorDef.bufferView !== undefined ) {\n\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );\n\n\t\t} else {\n\n\t\t\tpendingBufferViews.push( null );\n\n\t\t}\n\n\t\tif ( accessorDef.sparse !== undefined ) {\n\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );\n\t\t\tpendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );\n\n\t\t}\n\n\t\treturn Promise.all( pendingBufferViews ).then( function ( bufferViews ) {\n\n\t\t\tconst bufferView = bufferViews[ 0 ];\n\n\t\t\tconst itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];\n\t\t\tconst TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];\n\n\t\t\t// For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.\n\t\t\tconst elementBytes = TypedArray.BYTES_PER_ELEMENT;\n\t\t\tconst itemBytes = elementBytes * itemSize;\n\t\t\tconst byteOffset = accessorDef.byteOffset || 0;\n\t\t\tconst byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;\n\t\t\tconst normalized = accessorDef.normalized === true;\n\t\t\tlet array, bufferAttribute;\n\n\t\t\t// The buffer is not interleaved if the stride is the item size in bytes.\n\t\t\tif ( byteStride \u0026\u0026 byteStride !== itemBytes ) {\n\n\t\t\t\t// Each \"slice\" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own InterleavedBuffer\n\t\t\t\t// This makes sure that IBA.count reflects accessor.count properly\n\t\t\t\tconst ibSlice = Math.floor( byteOffset / byteStride );\n\t\t\t\tconst ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;\n\t\t\t\tlet ib = parser.cache.get( ibCacheKey );\n\n\t\t\t\tif ( ! ib ) {\n\n\t\t\t\t\tarray = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes );\n\n\t\t\t\t\t// Integer parameters to IB/IBA are in array elements, not bytes.\n\t\t\t\t\tib = new InterleavedBuffer( array, byteStride / elementBytes );\n\n\t\t\t\t\tparser.cache.add( ibCacheKey, ib );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute = new InterleavedBufferAttribute( ib, itemSize, ( byteOffset % byteStride ) / elementBytes, normalized );\n\n\t\t\t} else {\n\n\t\t\t\tif ( bufferView === null ) {\n\n\t\t\t\t\tarray = new TypedArray( accessorDef.count * itemSize );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tarray = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize );\n\n\t\t\t\t}\n\n\t\t\t\tbufferAttribute = new BufferAttribute( array, itemSize, normalized );\n\n\t\t\t}\n\n\t\t\t// https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors\n\t\t\tif ( accessorDef.sparse !== undefined ) {\n\n\t\t\t\tconst itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;\n\t\t\t\tconst TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];\n\n\t\t\t\tconst byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;\n\t\t\t\tconst byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;\n\n\t\t\t\tconst sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );\n\t\t\t\tconst sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );\n\n\t\t\t\tif ( bufferView !== null ) {\n\n\t\t\t\t\t// Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.\n\t\t\t\t\tbufferAttribute = new BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized );\n\n\t\t\t\t}\n\n\t\t\t\tfor ( let i = 0, il = sparseIndices.length; i \u003c il; i ++ ) {\n\n\t\t\t\t\tconst index = sparseIndices[ i ];\n\n\t\t\t\t\tbufferAttribute.setX( index, sparseValues[ i * itemSize ] );\n\t\t\t\t\tif ( itemSize \u003e= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );\n\t\t\t\t\tif ( itemSize \u003e= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );\n\t\t\t\t\tif ( itemSize \u003e= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );\n\t\t\t\t\tif ( itemSize \u003e= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn bufferAttribute;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures\n\t * @param {number} textureIndex\n\t * @return {Promise\u003cTHREE.Texture|null\u003e}\n\t */\n\tloadTexture( textureIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\t\tconst textureDef = json.textures[ textureIndex ];\n\t\tconst sourceIndex = textureDef.source;\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tlet loader = this.textureLoader;\n\n\t\tif ( sourceDef.uri ) {\n\n\t\t\tconst handler = options.manager.getHandler( sourceDef.uri );\n\t\t\tif ( handler !== null ) loader = handler;\n\n\t\t}\n\n\t\treturn this.loadTextureImage( textureIndex, sourceIndex, loader );\n\n\t}\n\n\tloadTextureImage( textureIndex, sourceIndex, loader ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\n\t\tconst textureDef = json.textures[ textureIndex ];\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tconst cacheKey = ( sourceDef.uri || sourceDef.bufferView ) + ':' + textureDef.sampler;\n\n\t\tif ( this.textureCache[ cacheKey ] ) {\n\n\t\t\t// See https://github.com/mrdoob/three.js/issues/21559.\n\t\t\treturn this.textureCache[ cacheKey ];\n\n\t\t}\n\n\t\tconst promise = this.loadImageSource( sourceIndex, loader ).then( function ( texture ) {\n\n\t\t\ttexture.flipY = false;\n\n\t\t\ttexture.name = textureDef.name || sourceDef.name || '';\n\n\t\t\tif ( texture.name === '' \u0026\u0026 typeof sourceDef.uri === 'string' \u0026\u0026 sourceDef.uri.startsWith( 'data:image/' ) === false ) {\n\n\t\t\t\ttexture.name = sourceDef.uri;\n\n\t\t\t}\n\n\t\t\tconst samplers = json.samplers || {};\n\t\t\tconst sampler = samplers[ textureDef.sampler ] || {};\n\n\t\t\ttexture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || LinearFilter;\n\t\t\ttexture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || LinearMipmapLinearFilter;\n\t\t\ttexture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || RepeatWrapping;\n\t\t\ttexture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || RepeatWrapping;\n\n\t\t\tparser.associations.set( texture, { textures: textureIndex } );\n\n\t\t\treturn texture;\n\n\t\t} ).catch( function () {\n\n\t\t\treturn null;\n\n\t\t} );\n\n\t\tthis.textureCache[ cacheKey ] = promise;\n\n\t\treturn promise;\n\n\t}\n\n\tloadImageSource( sourceIndex, loader ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst options = this.options;\n\n\t\tif ( this.sourceCache[ sourceIndex ] !== undefined ) {\n\n\t\t\treturn this.sourceCache[ sourceIndex ].then( ( texture ) =\u003e texture.clone() );\n\n\t\t}\n\n\t\tconst sourceDef = json.images[ sourceIndex ];\n\n\t\tconst URL = self.URL || self.webkitURL;\n\n\t\tlet sourceURI = sourceDef.uri || '';\n\t\tlet isObjectURL = false;\n\n\t\tif ( sourceDef.bufferView !== undefined ) {\n\n\t\t\t// Load binary image data from bufferView, if provided.\n\n\t\t\tsourceURI = parser.getDependency( 'bufferView', sourceDef.bufferView ).then( function ( bufferView ) {\n\n\t\t\t\tisObjectURL = true;\n\t\t\t\tconst blob = new Blob( [ bufferView ], { type: sourceDef.mimeType } );\n\t\t\t\tsourceURI = URL.createObjectURL( blob );\n\t\t\t\treturn sourceURI;\n\n\t\t\t} );\n\n\t\t} else if ( sourceDef.uri === undefined ) {\n\n\t\t\tthrow new Error( 'THREE.GLTFLoader: Image ' + sourceIndex + ' is missing URI and bufferView' );\n\n\t\t}\n\n\t\tconst promise = Promise.resolve( sourceURI ).then( function ( sourceURI ) {\n\n\t\t\treturn new Promise( function ( resolve, reject ) {\n\n\t\t\t\tlet onLoad = resolve;\n\n\t\t\t\tif ( loader.isImageBitmapLoader === true ) {\n\n\t\t\t\t\tonLoad = function ( imageBitmap ) {\n\n\t\t\t\t\t\tconst texture = new Texture( imageBitmap );\n\t\t\t\t\t\ttexture.needsUpdate = true;\n\n\t\t\t\t\t\tresolve( texture );\n\n\t\t\t\t\t};\n\n\t\t\t\t}\n\n\t\t\t\tloader.load( LoaderUtils.resolveURL( sourceURI, options.path ), onLoad, undefined, reject );\n\n\t\t\t} );\n\n\t\t} ).then( function ( texture ) {\n\n\t\t\t// Clean up resources and configure Texture.\n\n\t\t\tif ( isObjectURL === true ) {\n\n\t\t\t\tURL.revokeObjectURL( sourceURI );\n\n\t\t\t}\n\n\t\t\ttexture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType( sourceDef.uri );\n\n\t\t\treturn texture;\n\n\t\t} ).catch( function ( error ) {\n\n\t\t\tconsole.error( 'THREE.GLTFLoader: Couldn\\'t load texture', sourceURI );\n\t\t\tthrow error;\n\n\t\t} );\n\n\t\tthis.sourceCache[ sourceIndex ] = promise;\n\t\treturn promise;\n\n\t}\n\n\t/**\n\t * Asynchronously assigns a texture to the given material parameters.\n\t * @param {Object} materialParams\n\t * @param {string} mapName\n\t * @param {Object} mapDef\n\t * @return {Promise\u003cTexture\u003e}\n\t */\n\tassignTexture( materialParams, mapName, mapDef, colorSpace ) {\n\n\t\tconst parser = this;\n\n\t\treturn this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {\n\n\t\t\tif ( ! texture ) return null;\n\n\t\t\tif ( mapDef.texCoord !== undefined \u0026\u0026 mapDef.texCoord \u003e 0 ) {\n\n\t\t\t\ttexture = texture.clone();\n\t\t\t\ttexture.channel = mapDef.texCoord;\n\n\t\t\t}\n\n\t\t\tif ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {\n\n\t\t\t\tconst transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;\n\n\t\t\t\tif ( transform ) {\n\n\t\t\t\t\tconst gltfReference = parser.associations.get( texture );\n\t\t\t\t\ttexture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );\n\t\t\t\t\tparser.associations.set( texture, gltfReference );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( colorSpace !== undefined ) {\n\n\t\t\t\ttexture.colorSpace = colorSpace;\n\n\t\t\t}\n\n\t\t\tmaterialParams[ mapName ] = texture;\n\n\t\t\treturn texture;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Assigns final material to a Mesh, Line, or Points instance. The instance\n\t * already has a material (generated from the glTF material options alone)\n\t * but reuse of the same glTF material may require multiple threejs materials\n\t * to accommodate different primitive types, defines, etc. New materials will\n\t * be created if necessary, and reused from a cache.\n\t * @param  {Object3D} mesh Mesh, Line, or Points instance.\n\t */\n\tassignFinalMaterial( mesh ) {\n\n\t\tconst geometry = mesh.geometry;\n\t\tlet material = mesh.material;\n\n\t\tconst useDerivativeTangents = geometry.attributes.tangent === undefined;\n\t\tconst useVertexColors = geometry.attributes.color !== undefined;\n\t\tconst useFlatShading = geometry.attributes.normal === undefined;\n\n\t\tif ( mesh.isPoints ) {\n\n\t\t\tconst cacheKey = 'PointsMaterial:' + material.uuid;\n\n\t\t\tlet pointsMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! pointsMaterial ) {\n\n\t\t\t\tpointsMaterial = new PointsMaterial();\n\t\t\t\tMaterial.prototype.copy.call( pointsMaterial, material );\n\t\t\t\tpointsMaterial.color.copy( material.color );\n\t\t\t\tpointsMaterial.map = material.map;\n\t\t\t\tpointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px\n\n\t\t\t\tthis.cache.add( cacheKey, pointsMaterial );\n\n\t\t\t}\n\n\t\t\tmaterial = pointsMaterial;\n\n\t\t} else if ( mesh.isLine ) {\n\n\t\t\tconst cacheKey = 'LineBasicMaterial:' + material.uuid;\n\n\t\t\tlet lineMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! lineMaterial ) {\n\n\t\t\t\tlineMaterial = new LineBasicMaterial();\n\t\t\t\tMaterial.prototype.copy.call( lineMaterial, material );\n\t\t\t\tlineMaterial.color.copy( material.color );\n\t\t\t\tlineMaterial.map = material.map;\n\n\t\t\t\tthis.cache.add( cacheKey, lineMaterial );\n\n\t\t\t}\n\n\t\t\tmaterial = lineMaterial;\n\n\t\t}\n\n\t\t// Clone the material if it will be modified\n\t\tif ( useDerivativeTangents || useVertexColors || useFlatShading ) {\n\n\t\t\tlet cacheKey = 'ClonedMaterial:' + material.uuid + ':';\n\n\t\t\tif ( useDerivativeTangents ) cacheKey += 'derivative-tangents:';\n\t\t\tif ( useVertexColors ) cacheKey += 'vertex-colors:';\n\t\t\tif ( useFlatShading ) cacheKey += 'flat-shading:';\n\n\t\t\tlet cachedMaterial = this.cache.get( cacheKey );\n\n\t\t\tif ( ! cachedMaterial ) {\n\n\t\t\t\tcachedMaterial = material.clone();\n\n\t\t\t\tif ( useVertexColors ) cachedMaterial.vertexColors = true;\n\t\t\t\tif ( useFlatShading ) cachedMaterial.flatShading = true;\n\n\t\t\t\tif ( useDerivativeTangents ) {\n\n\t\t\t\t\t// https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995\n\t\t\t\t\tif ( cachedMaterial.normalScale ) cachedMaterial.normalScale.y *= - 1;\n\t\t\t\t\tif ( cachedMaterial.clearcoatNormalScale ) cachedMaterial.clearcoatNormalScale.y *= - 1;\n\n\t\t\t\t}\n\n\t\t\t\tthis.cache.add( cacheKey, cachedMaterial );\n\n\t\t\t\tthis.associations.set( cachedMaterial, this.associations.get( material ) );\n\n\t\t\t}\n\n\t\t\tmaterial = cachedMaterial;\n\n\t\t}\n\n\t\tmesh.material = material;\n\n\t}\n\n\tgetMaterialType( /* materialIndex */ ) {\n\n\t\treturn MeshStandardMaterial;\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials\n\t * @param {number} materialIndex\n\t * @return {Promise\u003cMaterial\u003e}\n\t */\n\tloadMaterial( materialIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst materialDef = json.materials[ materialIndex ];\n\n\t\tlet materialType;\n\t\tconst materialParams = {};\n\t\tconst materialExtensions = materialDef.extensions || {};\n\n\t\tconst pending = [];\n\n\t\tif ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {\n\n\t\t\tconst kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];\n\t\t\tmaterialType = kmuExtension.getMaterialType();\n\t\t\tpending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );\n\n\t\t} else {\n\n\t\t\t// Specification:\n\t\t\t// https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material\n\n\t\t\tconst metallicRoughness = materialDef.pbrMetallicRoughness || {};\n\n\t\t\tmaterialParams.color = new Color( 1.0, 1.0, 1.0 );\n\t\t\tmaterialParams.opacity = 1.0;\n\n\t\t\tif ( Array.isArray( metallicRoughness.baseColorFactor ) ) {\n\n\t\t\t\tconst array = metallicRoughness.baseColorFactor;\n\n\t\t\t\tmaterialParams.color.setRGB( array[ 0 ], array[ 1 ], array[ 2 ], LinearSRGBColorSpace );\n\t\t\t\tmaterialParams.opacity = array[ 3 ];\n\n\t\t\t}\n\n\t\t\tif ( metallicRoughness.baseColorTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture, SRGBColorSpace ) );\n\n\t\t\t}\n\n\t\t\tmaterialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;\n\t\t\tmaterialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;\n\n\t\t\tif ( metallicRoughness.metallicRoughnessTexture !== undefined ) {\n\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) );\n\t\t\t\tpending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) );\n\n\t\t\t}\n\n\t\t\tmaterialType = this._invokeOne( function ( ext ) {\n\n\t\t\t\treturn ext.getMaterialType \u0026\u0026 ext.getMaterialType( materialIndex );\n\n\t\t\t} );\n\n\t\t\tpending.push( Promise.all( this._invokeAll( function ( ext ) {\n\n\t\t\t\treturn ext.extendMaterialParams \u0026\u0026 ext.extendMaterialParams( materialIndex, materialParams );\n\n\t\t\t} ) ) );\n\n\t\t}\n\n\t\tif ( materialDef.doubleSided === true ) {\n\n\t\t\tmaterialParams.side = DoubleSide;\n\n\t\t}\n\n\t\tconst alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;\n\n\t\tif ( alphaMode === ALPHA_MODES.BLEND ) {\n\n\t\t\tmaterialParams.transparent = true;\n\n\t\t\t// See: https://github.com/mrdoob/three.js/issues/17706\n\t\t\tmaterialParams.depthWrite = false;\n\n\t\t} else {\n\n\t\t\tmaterialParams.transparent = false;\n\n\t\t\tif ( alphaMode === ALPHA_MODES.MASK ) {\n\n\t\t\t\tmaterialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.normalTexture !== undefined \u0026\u0026 materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) );\n\n\t\t\tmaterialParams.normalScale = new Vector2( 1, 1 );\n\n\t\t\tif ( materialDef.normalTexture.scale !== undefined ) {\n\n\t\t\t\tconst scale = materialDef.normalTexture.scale;\n\n\t\t\t\tmaterialParams.normalScale.set( scale, scale );\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.occlusionTexture !== undefined \u0026\u0026 materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) );\n\n\t\t\tif ( materialDef.occlusionTexture.strength !== undefined ) {\n\n\t\t\t\tmaterialParams.aoMapIntensity = materialDef.occlusionTexture.strength;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( materialDef.emissiveFactor !== undefined \u0026\u0026 materialType !== MeshBasicMaterial ) {\n\n\t\t\tconst emissiveFactor = materialDef.emissiveFactor;\n\t\t\tmaterialParams.emissive = new Color().setRGB( emissiveFactor[ 0 ], emissiveFactor[ 1 ], emissiveFactor[ 2 ], LinearSRGBColorSpace );\n\n\t\t}\n\n\t\tif ( materialDef.emissiveTexture !== undefined \u0026\u0026 materialType !== MeshBasicMaterial ) {\n\n\t\t\tpending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture, SRGBColorSpace ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function () {\n\n\t\t\tconst material = new materialType( materialParams );\n\n\t\t\tif ( materialDef.name ) material.name = materialDef.name;\n\n\t\t\tassignExtrasToUserData( material, materialDef );\n\n\t\t\tparser.associations.set( material, { materials: materialIndex } );\n\n\t\t\tif ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );\n\n\t\t\treturn material;\n\n\t\t} );\n\n\t}\n\n\t/** When Object3D instances are targeted by animation, they need unique names. */\n\tcreateUniqueName( originalName ) {\n\n\t\tconst sanitizedName = PropertyBinding.sanitizeNodeName( originalName || '' );\n\n\t\tif ( sanitizedName in this.nodeNamesUsed ) {\n\n\t\t\treturn sanitizedName + '_' + ( ++ this.nodeNamesUsed[ sanitizedName ] );\n\n\t\t} else {\n\n\t\t\tthis.nodeNamesUsed[ sanitizedName ] = 0;\n\n\t\t\treturn sanitizedName;\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry\n\t *\n\t * Creates BufferGeometries from primitives.\n\t *\n\t * @param {Array\u003cGLTF.Primitive\u003e} primitives\n\t * @return {Promise\u003cArray\u003cBufferGeometry\u003e\u003e}\n\t */\n\tloadGeometries( primitives ) {\n\n\t\tconst parser = this;\n\t\tconst extensions = this.extensions;\n\t\tconst cache = this.primitiveCache;\n\n\t\tfunction createDracoPrimitive( primitive ) {\n\n\t\t\treturn extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ]\n\t\t\t\t.decodePrimitive( primitive, parser )\n\t\t\t\t.then( function ( geometry ) {\n\n\t\t\t\t\treturn addPrimitiveAttributes( geometry, primitive, parser );\n\n\t\t\t\t} );\n\n\t\t}\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = primitives.length; i \u003c il; i ++ ) {\n\n\t\t\tconst primitive = primitives[ i ];\n\t\t\tconst cacheKey = createPrimitiveKey( primitive );\n\n\t\t\t// See if we've already created this geometry\n\t\t\tconst cached = cache[ cacheKey ];\n\n\t\t\tif ( cached ) {\n\n\t\t\t\t// Use the cached geometry if it exists\n\t\t\t\tpending.push( cached.promise );\n\n\t\t\t} else {\n\n\t\t\t\tlet geometryPromise;\n\n\t\t\t\tif ( primitive.extensions \u0026\u0026 primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {\n\n\t\t\t\t\t// Use DRACO geometry if available\n\t\t\t\t\tgeometryPromise = createDracoPrimitive( primitive );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t// Otherwise create a new geometry\n\t\t\t\t\tgeometryPromise = addPrimitiveAttributes( new BufferGeometry(), primitive, parser );\n\n\t\t\t\t}\n\n\t\t\t\t// Cache this geometry\n\t\t\t\tcache[ cacheKey ] = { primitive: primitive, promise: geometryPromise };\n\n\t\t\t\tpending.push( geometryPromise );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn Promise.all( pending );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes\n\t * @param {number} meshIndex\n\t * @return {Promise\u003cGroup|Mesh|SkinnedMesh\u003e}\n\t */\n\tloadMesh( meshIndex ) {\n\n\t\tconst parser = this;\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\n\t\tconst meshDef = json.meshes[ meshIndex ];\n\t\tconst primitives = meshDef.primitives;\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = primitives.length; i \u003c il; i ++ ) {\n\n\t\t\tconst material = primitives[ i ].material === undefined\n\t\t\t\t? createDefaultMaterial( this.cache )\n\t\t\t\t: this.getDependency( 'material', primitives[ i ].material );\n\n\t\t\tpending.push( material );\n\n\t\t}\n\n\t\tpending.push( parser.loadGeometries( primitives ) );\n\n\t\treturn Promise.all( pending ).then( function ( results ) {\n\n\t\t\tconst materials = results.slice( 0, results.length - 1 );\n\t\t\tconst geometries = results[ results.length - 1 ];\n\n\t\t\tconst meshes = [];\n\n\t\t\tfor ( let i = 0, il = geometries.length; i \u003c il; i ++ ) {\n\n\t\t\t\tconst geometry = geometries[ i ];\n\t\t\t\tconst primitive = primitives[ i ];\n\n\t\t\t\t// 1. create Mesh\n\n\t\t\t\tlet mesh;\n\n\t\t\t\tconst material = materials[ i ];\n\n\t\t\t\tif ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||\n\t\t\t\t\t\tprimitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||\n\t\t\t\t\t\tprimitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||\n\t\t\t\t\t\tprimitive.mode === undefined ) {\n\n\t\t\t\t\t// .isSkinnedMesh isn't in glTF spec. See ._markDefs()\n\t\t\t\t\tmesh = meshDef.isSkinnedMesh === true\n\t\t\t\t\t\t? new SkinnedMesh( geometry, material )\n\t\t\t\t\t\t: new Mesh( geometry, material );\n\n\t\t\t\t\tif ( mesh.isSkinnedMesh === true ) {\n\n\t\t\t\t\t\t// normalize skin weights to fix malformed assets (see #15319)\n\t\t\t\t\t\tmesh.normalizeSkinWeights();\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {\n\n\t\t\t\t\t\tmesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleStripDrawMode );\n\n\t\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {\n\n\t\t\t\t\t\tmesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleFanDrawMode );\n\n\t\t\t\t\t}\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {\n\n\t\t\t\t\tmesh = new LineSegments( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {\n\n\t\t\t\t\tmesh = new Line( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {\n\n\t\t\t\t\tmesh = new LineLoop( geometry, material );\n\n\t\t\t\t} else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {\n\n\t\t\t\t\tmesh = new Points( geometry, material );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tthrow new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );\n\n\t\t\t\t}\n\n\t\t\t\tif ( Object.keys( mesh.geometry.morphAttributes ).length \u003e 0 ) {\n\n\t\t\t\t\tupdateMorphTargets( mesh, meshDef );\n\n\t\t\t\t}\n\n\t\t\t\tmesh.name = parser.createUniqueName( meshDef.name || ( 'mesh_' + meshIndex ) );\n\n\t\t\t\tassignExtrasToUserData( mesh, meshDef );\n\n\t\t\t\tif ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive );\n\n\t\t\t\tparser.assignFinalMaterial( mesh );\n\n\t\t\t\tmeshes.push( mesh );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, il = meshes.length; i \u003c il; i ++ ) {\n\n\t\t\t\tparser.associations.set( meshes[ i ], {\n\t\t\t\t\tmeshes: meshIndex,\n\t\t\t\t\tprimitives: i\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tif ( meshes.length === 1 ) {\n\n\t\t\t\tif ( meshDef.extensions ) addUnknownExtensionsToUserData( extensions, meshes[ 0 ], meshDef );\n\n\t\t\t\treturn meshes[ 0 ];\n\n\t\t\t}\n\n\t\t\tconst group = new Group();\n\n\t\t\tif ( meshDef.extensions ) addUnknownExtensionsToUserData( extensions, group, meshDef );\n\n\t\t\tparser.associations.set( group, { meshes: meshIndex } );\n\n\t\t\tfor ( let i = 0, il = meshes.length; i \u003c il; i ++ ) {\n\n\t\t\t\tgroup.add( meshes[ i ] );\n\n\t\t\t}\n\n\t\t\treturn group;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras\n\t * @param {number} cameraIndex\n\t * @return {Promise\u003cTHREE.Camera\u003e}\n\t */\n\tloadCamera( cameraIndex ) {\n\n\t\tlet camera;\n\t\tconst cameraDef = this.json.cameras[ cameraIndex ];\n\t\tconst params = cameraDef[ cameraDef.type ];\n\n\t\tif ( ! params ) {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing camera parameters.' );\n\t\t\treturn;\n\n\t\t}\n\n\t\tif ( cameraDef.type === 'perspective' ) {\n\n\t\t\tcamera = new PerspectiveCamera( MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );\n\n\t\t} else if ( cameraDef.type === 'orthographic' ) {\n\n\t\t\tcamera = new OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar );\n\n\t\t}\n\n\t\tif ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name );\n\n\t\tassignExtrasToUserData( camera, cameraDef );\n\n\t\treturn Promise.resolve( camera );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins\n\t * @param {number} skinIndex\n\t * @return {Promise\u003cSkeleton\u003e}\n\t */\n\tloadSkin( skinIndex ) {\n\n\t\tconst skinDef = this.json.skins[ skinIndex ];\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = skinDef.joints.length; i \u003c il; i ++ ) {\n\n\t\t\tpending.push( this._loadNodeShallow( skinDef.joints[ i ] ) );\n\n\t\t}\n\n\t\tif ( skinDef.inverseBindMatrices !== undefined ) {\n\n\t\t\tpending.push( this.getDependency( 'accessor', skinDef.inverseBindMatrices ) );\n\n\t\t} else {\n\n\t\t\tpending.push( null );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function ( results ) {\n\n\t\t\tconst inverseBindMatrices = results.pop();\n\t\t\tconst jointNodes = results;\n\n\t\t\t// Note that bones (joint nodes) may or may not be in the\n\t\t\t// scene graph at this time.\n\n\t\t\tconst bones = [];\n\t\t\tconst boneInverses = [];\n\n\t\t\tfor ( let i = 0, il = jointNodes.length; i \u003c il; i ++ ) {\n\n\t\t\t\tconst jointNode = jointNodes[ i ];\n\n\t\t\t\tif ( jointNode ) {\n\n\t\t\t\t\tbones.push( jointNode );\n\n\t\t\t\t\tconst mat = new Matrix4();\n\n\t\t\t\t\tif ( inverseBindMatrices !== null ) {\n\n\t\t\t\t\t\tmat.fromArray( inverseBindMatrices.array, i * 16 );\n\n\t\t\t\t\t}\n\n\t\t\t\t\tboneInverses.push( mat );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Joint \"%s\" could not be found.', skinDef.joints[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new Skeleton( bones, boneInverses );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations\n\t * @param {number} animationIndex\n\t * @return {Promise\u003cAnimationClip\u003e}\n\t */\n\tloadAnimation( animationIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\n\t\tconst animationDef = json.animations[ animationIndex ];\n\t\tconst animationName = animationDef.name ? animationDef.name : 'animation_' + animationIndex;\n\n\t\tconst pendingNodes = [];\n\t\tconst pendingInputAccessors = [];\n\t\tconst pendingOutputAccessors = [];\n\t\tconst pendingSamplers = [];\n\t\tconst pendingTargets = [];\n\n\t\tfor ( let i = 0, il = animationDef.channels.length; i \u003c il; i ++ ) {\n\n\t\t\tconst channel = animationDef.channels[ i ];\n\t\t\tconst sampler = animationDef.samplers[ channel.sampler ];\n\t\t\tconst target = channel.target;\n\t\t\tconst name = target.node;\n\t\t\tconst input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;\n\t\t\tconst output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;\n\n\t\t\tif ( target.node === undefined ) continue;\n\n\t\t\tpendingNodes.push( this.getDependency( 'node', name ) );\n\t\t\tpendingInputAccessors.push( this.getDependency( 'accessor', input ) );\n\t\t\tpendingOutputAccessors.push( this.getDependency( 'accessor', output ) );\n\t\t\tpendingSamplers.push( sampler );\n\t\t\tpendingTargets.push( target );\n\n\t\t}\n\n\t\treturn Promise.all( [\n\n\t\t\tPromise.all( pendingNodes ),\n\t\t\tPromise.all( pendingInputAccessors ),\n\t\t\tPromise.all( pendingOutputAccessors ),\n\t\t\tPromise.all( pendingSamplers ),\n\t\t\tPromise.all( pendingTargets )\n\n\t\t] ).then( function ( dependencies ) {\n\n\t\t\tconst nodes = dependencies[ 0 ];\n\t\t\tconst inputAccessors = dependencies[ 1 ];\n\t\t\tconst outputAccessors = dependencies[ 2 ];\n\t\t\tconst samplers = dependencies[ 3 ];\n\t\t\tconst targets = dependencies[ 4 ];\n\n\t\t\tconst tracks = [];\n\n\t\t\tfor ( let i = 0, il = nodes.length; i \u003c il; i ++ ) {\n\n\t\t\t\tconst node = nodes[ i ];\n\t\t\t\tconst inputAccessor = inputAccessors[ i ];\n\t\t\t\tconst outputAccessor = outputAccessors[ i ];\n\t\t\t\tconst sampler = samplers[ i ];\n\t\t\t\tconst target = targets[ i ];\n\n\t\t\t\tif ( node === undefined ) continue;\n\n\t\t\t\tif ( node.updateMatrix ) {\n\n\t\t\t\t\tnode.updateMatrix();\n\n\t\t\t\t}\n\n\t\t\t\tconst createdTracks = parser._createAnimationTracks( node, inputAccessor, outputAccessor, sampler, target );\n\n\t\t\t\tif ( createdTracks ) {\n\n\t\t\t\t\tfor ( let k = 0; k \u003c createdTracks.length; k ++ ) {\n\n\t\t\t\t\t\ttracks.push( createdTracks[ k ] );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn new AnimationClip( animationName, undefined, tracks );\n\n\t\t} );\n\n\t}\n\n\tcreateNodeMesh( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tif ( nodeDef.mesh === undefined ) return null;\n\n\t\treturn parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {\n\n\t\t\tconst node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh );\n\n\t\t\t// if weights are provided on the node, override weights on the mesh.\n\t\t\tif ( nodeDef.weights !== undefined ) {\n\n\t\t\t\tnode.traverse( function ( o ) {\n\n\t\t\t\t\tif ( ! o.isMesh ) return;\n\n\t\t\t\t\tfor ( let i = 0, il = nodeDef.weights.length; i \u003c il; i ++ ) {\n\n\t\t\t\t\t\to.morphTargetInfluences[ i ] = nodeDef.weights[ i ];\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy\n\t * @param {number} nodeIndex\n\t * @return {Promise\u003cObject3D\u003e}\n\t */\n\tloadNode( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst parser = this;\n\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\tconst nodePending = parser._loadNodeShallow( nodeIndex );\n\n\t\tconst childPending = [];\n\t\tconst childrenDef = nodeDef.children || [];\n\n\t\tfor ( let i = 0, il = childrenDef.length; i \u003c il; i ++ ) {\n\n\t\t\tchildPending.push( parser.getDependency( 'node', childrenDef[ i ] ) );\n\n\t\t}\n\n\t\tconst skeletonPending = nodeDef.skin === undefined\n\t\t\t? Promise.resolve( null )\n\t\t\t: parser.getDependency( 'skin', nodeDef.skin );\n\n\t\treturn Promise.all( [\n\t\t\tnodePending,\n\t\t\tPromise.all( childPending ),\n\t\t\tskeletonPending\n\t\t] ).then( function ( results ) {\n\n\t\t\tconst node = results[ 0 ];\n\t\t\tconst children = results[ 1 ];\n\t\t\tconst skeleton = results[ 2 ];\n\n\t\t\tif ( skeleton !== null ) {\n\n\t\t\t\t// This full traverse should be fine because\n\t\t\t\t// child glTF nodes have not been added to this node yet.\n\t\t\t\tnode.traverse( function ( mesh ) {\n\n\t\t\t\t\tif ( ! mesh.isSkinnedMesh ) return;\n\n\t\t\t\t\tmesh.bind( skeleton, _identityMatrix );\n\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t\tfor ( let i = 0, il = children.length; i \u003c il; i ++ ) {\n\n\t\t\t\tnode.add( children[ i ] );\n\n\t\t\t}\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t}\n\n\t// ._loadNodeShallow() parses a single node.\n\t// skin and child nodes are created and added in .loadNode() (no '_' prefix).\n\t_loadNodeShallow( nodeIndex ) {\n\n\t\tconst json = this.json;\n\t\tconst extensions = this.extensions;\n\t\tconst parser = this;\n\n\t\t// This method is called from .loadNode() and .loadSkin().\n\t\t// Cache a node to avoid duplication.\n\n\t\tif ( this.nodeCache[ nodeIndex ] !== undefined ) {\n\n\t\t\treturn this.nodeCache[ nodeIndex ];\n\n\t\t}\n\n\t\tconst nodeDef = json.nodes[ nodeIndex ];\n\n\t\t// reserve node's name before its dependencies, so the root has the intended name.\n\t\tconst nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : '';\n\n\t\tconst pending = [];\n\n\t\tconst meshPromise = parser._invokeOne( function ( ext ) {\n\n\t\t\treturn ext.createNodeMesh \u0026\u0026 ext.createNodeMesh( nodeIndex );\n\n\t\t} );\n\n\t\tif ( meshPromise ) {\n\n\t\t\tpending.push( meshPromise );\n\n\t\t}\n\n\t\tif ( nodeDef.camera !== undefined ) {\n\n\t\t\tpending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) {\n\n\t\t\t\treturn parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera );\n\n\t\t\t} ) );\n\n\t\t}\n\n\t\tparser._invokeAll( function ( ext ) {\n\n\t\t\treturn ext.createNodeAttachment \u0026\u0026 ext.createNodeAttachment( nodeIndex );\n\n\t\t} ).forEach( function ( promise ) {\n\n\t\t\tpending.push( promise );\n\n\t\t} );\n\n\t\tthis.nodeCache[ nodeIndex ] = Promise.all( pending ).then( function ( objects ) {\n\n\t\t\tlet node;\n\n\t\t\t// .isBone isn't in glTF spec. See ._markDefs\n\t\t\tif ( nodeDef.isBone === true ) {\n\n\t\t\t\tnode = new Bone();\n\n\t\t\t} else if ( objects.length \u003e 1 ) {\n\n\t\t\t\tnode = new Group();\n\n\t\t\t} else if ( objects.length === 1 ) {\n\n\t\t\t\tnode = objects[ 0 ];\n\n\t\t\t} else {\n\n\t\t\t\tnode = new Object3D();\n\n\t\t\t}\n\n\t\t\tif ( node !== objects[ 0 ] ) {\n\n\t\t\t\tfor ( let i = 0, il = objects.length; i \u003c il; i ++ ) {\n\n\t\t\t\t\tnode.add( objects[ i ] );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( nodeDef.name ) {\n\n\t\t\t\tnode.userData.name = nodeDef.name;\n\t\t\t\tnode.name = nodeName;\n\n\t\t\t}\n\n\t\t\tassignExtrasToUserData( node, nodeDef );\n\n\t\t\tif ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );\n\n\t\t\tif ( nodeDef.matrix !== undefined ) {\n\n\t\t\t\tconst matrix = new Matrix4();\n\t\t\t\tmatrix.fromArray( nodeDef.matrix );\n\t\t\t\tnode.applyMatrix4( matrix );\n\n\t\t\t} else {\n\n\t\t\t\tif ( nodeDef.translation !== undefined ) {\n\n\t\t\t\t\tnode.position.fromArray( nodeDef.translation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( nodeDef.rotation !== undefined ) {\n\n\t\t\t\t\tnode.quaternion.fromArray( nodeDef.rotation );\n\n\t\t\t\t}\n\n\t\t\t\tif ( nodeDef.scale !== undefined ) {\n\n\t\t\t\t\tnode.scale.fromArray( nodeDef.scale );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif ( ! parser.associations.has( node ) ) {\n\n\t\t\t\tparser.associations.set( node, {} );\n\n\t\t\t}\n\n\t\t\tparser.associations.get( node ).nodes = nodeIndex;\n\n\t\t\treturn node;\n\n\t\t} );\n\n\t\treturn this.nodeCache[ nodeIndex ];\n\n\t}\n\n\t/**\n\t * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes\n\t * @param {number} sceneIndex\n\t * @return {Promise\u003cGroup\u003e}\n\t */\n\tloadScene( sceneIndex ) {\n\n\t\tconst extensions = this.extensions;\n\t\tconst sceneDef = this.json.scenes[ sceneIndex ];\n\t\tconst parser = this;\n\n\t\t// Loader returns Group, not Scene.\n\t\t// See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172\n\t\tconst scene = new Group();\n\t\tif ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name );\n\n\t\tassignExtrasToUserData( scene, sceneDef );\n\n\t\tif ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );\n\n\t\tconst nodeIds = sceneDef.nodes || [];\n\n\t\tconst pending = [];\n\n\t\tfor ( let i = 0, il = nodeIds.length; i \u003c il; i ++ ) {\n\n\t\t\tpending.push( parser.getDependency( 'node', nodeIds[ i ] ) );\n\n\t\t}\n\n\t\treturn Promise.all( pending ).then( function ( nodes ) {\n\n\t\t\tfor ( let i = 0, il = nodes.length; i \u003c il; i ++ ) {\n\n\t\t\t\tscene.add( nodes[ i ] );\n\n\t\t\t}\n\n\t\t\t// Removes dangling associations, associations that reference a node that\n\t\t\t// didn't make it into the scene.\n\t\t\tconst reduceAssociations = ( node ) =\u003e {\n\n\t\t\t\tconst reducedAssociations = new Map();\n\n\t\t\t\tfor ( const [ key, value ] of parser.associations ) {\n\n\t\t\t\t\tif ( key instanceof Material || key instanceof Texture ) {\n\n\t\t\t\t\t\treducedAssociations.set( key, value );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tnode.traverse( ( node ) =\u003e {\n\n\t\t\t\t\tconst mappings = parser.associations.get( node );\n\n\t\t\t\t\tif ( mappings != null ) {\n\n\t\t\t\t\t\treducedAssociations.set( node, mappings );\n\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\treturn reducedAssociations;\n\n\t\t\t};\n\n\t\t\tparser.associations = reduceAssociations( scene );\n\n\t\t\treturn scene;\n\n\t\t} );\n\n\t}\n\n\t_createAnimationTracks( node, inputAccessor, outputAccessor, sampler, target ) {\n\n\t\tconst tracks = [];\n\n\t\tconst targetName = node.name ? node.name : node.uuid;\n\t\tconst targetNames = [];\n\n\t\tif ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {\n\n\t\t\tnode.traverse( function ( object ) {\n\n\t\t\t\tif ( object.morphTargetInfluences ) {\n\n\t\t\t\t\ttargetNames.push( object.name ? object.name : object.uuid );\n\n\t\t\t\t}\n\n\t\t\t} );\n\n\t\t} else {\n\n\t\t\ttargetNames.push( targetName );\n\n\t\t}\n\n\t\tlet TypedKeyframeTrack;\n\n\t\tswitch ( PATH_PROPERTIES[ target.path ] ) {\n\n\t\t\tcase PATH_PROPERTIES.weights:\n\n\t\t\t\tTypedKeyframeTrack = NumberKeyframeTrack;\n\t\t\t\tbreak;\n\n\t\t\tcase PATH_PROPERTIES.rotation:\n\n\t\t\t\tTypedKeyframeTrack = QuaternionKeyframeTrack;\n\t\t\t\tbreak;\n\n\t\t\tcase PATH_PROPERTIES.position:\n\t\t\tcase PATH_PROPERTIES.scale:\n\n\t\t\t\tTypedKeyframeTrack = VectorKeyframeTrack;\n\t\t\t\tbreak;\n\n\t\t\tdefault:\n\n\t\t\t\tswitch ( outputAccessor.itemSize ) {\n\n\t\t\t\t\tcase 1:\n\t\t\t\t\t\tTypedKeyframeTrack = NumberKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 2:\n\t\t\t\t\tcase 3:\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tTypedKeyframeTrack = VectorKeyframeTrack;\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t}\n\n\t\tconst interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : InterpolateLinear;\n\n\n\t\tconst outputArray = this._getArrayFromAccessor( outputAccessor );\n\n\t\tfor ( let j = 0, jl = targetNames.length; j \u003c jl; j ++ ) {\n\n\t\t\tconst track = new TypedKeyframeTrack(\n\t\t\t\ttargetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ],\n\t\t\t\tinputAccessor.array,\n\t\t\t\toutputArray,\n\t\t\t\tinterpolation\n\t\t\t);\n\n\t\t\t// Override interpolation with custom factory method.\n\t\t\tif ( sampler.interpolation === 'CUBICSPLINE' ) {\n\n\t\t\t\tthis._createCubicSplineTrackInterpolant( track );\n\n\t\t\t}\n\n\t\t\ttracks.push( track );\n\n\t\t}\n\n\t\treturn tracks;\n\n\t}\n\n\t_getArrayFromAccessor( accessor ) {\n\n\t\tlet outputArray = accessor.array;\n\n\t\tif ( accessor.normalized ) {\n\n\t\t\tconst scale = getNormalizedComponentScale( outputArray.constructor );\n\t\t\tconst scaled = new Float32Array( outputArray.length );\n\n\t\t\tfor ( let j = 0, jl = outputArray.length; j \u003c jl; j ++ ) {\n\n\t\t\t\tscaled[ j ] = outputArray[ j ] * scale;\n\n\t\t\t}\n\n\t\t\toutputArray = scaled;\n\n\t\t}\n\n\t\treturn outputArray;\n\n\t}\n\n\t_createCubicSplineTrackInterpolant( track ) {\n\n\t\ttrack.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {\n\n\t\t\t// A CUBICSPLINE keyframe in glTF has three output values for each input value,\n\t\t\t// representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()\n\t\t\t// must be divided by three to get the interpolant's sampleSize argument.\n\n\t\t\tconst interpolantType = ( this instanceof QuaternionKeyframeTrack ) ? GLTFCubicSplineQuaternionInterpolant : GLTFCubicSplineInterpolant;\n\n\t\t\treturn new interpolantType( this.times, this.values, this.getValueSize() / 3, result );\n\n\t\t};\n\n\t\t// Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants.\n\t\ttrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;\n\n\t}\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {GLTF.Primitive} primitiveDef\n * @param {GLTFParser} parser\n */\nfunction computeBounds( geometry, primitiveDef, parser ) {\n\n\tconst attributes = primitiveDef.attributes;\n\n\tconst box = new Box3();\n\n\tif ( attributes.POSITION !== undefined ) {\n\n\t\tconst accessor = parser.json.accessors[ attributes.POSITION ];\n\n\t\tconst min = accessor.min;\n\t\tconst max = accessor.max;\n\n\t\t// glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.\n\n\t\tif ( min !== undefined \u0026\u0026 max !== undefined ) {\n\n\t\t\tbox.set(\n\t\t\t\tnew Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ),\n\t\t\t\tnew Vector3( max[ 0 ], max[ 1 ], max[ 2 ] )\n\t\t\t);\n\n\t\t\tif ( accessor.normalized ) {\n\n\t\t\t\tconst boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );\n\t\t\t\tbox.min.multiplyScalar( boxScale );\n\t\t\t\tbox.max.multiplyScalar( boxScale );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );\n\n\t\t\treturn;\n\n\t\t}\n\n\t} else {\n\n\t\treturn;\n\n\t}\n\n\tconst targets = primitiveDef.targets;\n\n\tif ( targets !== undefined ) {\n\n\t\tconst maxDisplacement = new Vector3();\n\t\tconst vector = new Vector3();\n\n\t\tfor ( let i = 0, il = targets.length; i \u003c il; i ++ ) {\n\n\t\t\tconst target = targets[ i ];\n\n\t\t\tif ( target.POSITION !== undefined ) {\n\n\t\t\t\tconst accessor = parser.json.accessors[ target.POSITION ];\n\t\t\t\tconst min = accessor.min;\n\t\t\t\tconst max = accessor.max;\n\n\t\t\t\t// glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.\n\n\t\t\t\tif ( min !== undefined \u0026\u0026 max !== undefined ) {\n\n\t\t\t\t\t// we need to get max of absolute components because target weight is [-1,1]\n\t\t\t\t\tvector.setX( Math.max( Math.abs( min[ 0 ] ), Math.abs( max[ 0 ] ) ) );\n\t\t\t\t\tvector.setY( Math.max( Math.abs( min[ 1 ] ), Math.abs( max[ 1 ] ) ) );\n\t\t\t\t\tvector.setZ( Math.max( Math.abs( min[ 2 ] ), Math.abs( max[ 2 ] ) ) );\n\n\n\t\t\t\t\tif ( accessor.normalized ) {\n\n\t\t\t\t\t\tconst boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );\n\t\t\t\t\t\tvector.multiplyScalar( boxScale );\n\n\t\t\t\t\t}\n\n\t\t\t\t\t// Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative\n\t\t\t\t\t// to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets\n\t\t\t\t\t// are used to implement key-frame animations and as such only two are active at a time - this results in very large\n\t\t\t\t\t// boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size.\n\t\t\t\t\tmaxDisplacement.max( vector );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tconsole.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets.\n\t\tbox.expandByVector( maxDisplacement );\n\n\t}\n\n\tgeometry.boundingBox = box;\n\n\tconst sphere = new Sphere();\n\n\tbox.getCenter( sphere.center );\n\tsphere.radius = box.min.distanceTo( box.max ) / 2;\n\n\tgeometry.boundingSphere = sphere;\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {GLTF.Primitive} primitiveDef\n * @param {GLTFParser} parser\n * @return {Promise\u003cBufferGeometry\u003e}\n */\nfunction addPrimitiveAttributes( geometry, primitiveDef, parser ) {\n\n\tconst attributes = primitiveDef.attributes;\n\n\tconst pending = [];\n\n\tfunction assignAttributeAccessor( accessorIndex, attributeName ) {\n\n\t\treturn parser.getDependency( 'accessor', accessorIndex )\n\t\t\t.then( function ( accessor ) {\n\n\t\t\t\tgeometry.setAttribute( attributeName, accessor );\n\n\t\t\t} );\n\n\t}\n\n\tfor ( const gltfAttributeName in attributes ) {\n\n\t\tconst threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase();\n\n\t\t// Skip attributes already provided by e.g. Draco extension.\n\t\tif ( threeAttributeName in geometry.attributes ) continue;\n\n\t\tpending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) );\n\n\t}\n\n\tif ( primitiveDef.indices !== undefined \u0026\u0026 ! geometry.index ) {\n\n\t\tconst accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) {\n\n\t\t\tgeometry.setIndex( accessor );\n\n\t\t} );\n\n\t\tpending.push( accessor );\n\n\t}\n\n\tif ( ColorManagement.workingColorSpace !== LinearSRGBColorSpace \u0026\u0026 'COLOR_0' in attributes ) {\n\n\t\tconsole.warn( `THREE.GLTFLoader: Converting vertex colors from \"srgb-linear\" to \"${ColorManagement.workingColorSpace}\" not supported.` );\n\n\t}\n\n\tassignExtrasToUserData( geometry, primitiveDef );\n\n\tcomputeBounds( geometry, primitiveDef, parser );\n\n\treturn Promise.all( pending ).then( function () {\n\n\t\treturn primitiveDef.targets !== undefined\n\t\t\t? addMorphTargets( geometry, primitiveDef.targets, parser )\n\t\t\t: geometry;\n\n\t} );\n\n}\n\nexport { GLTFLoader };\n","import {\n\tBufferAttribute,\n\tBufferGeometry,\n\tFloat32BufferAttribute,\n\tInstancedBufferAttribute,\n\tInterleavedBuffer,\n\tInterleavedBufferAttribute,\n\tTriangleFanDrawMode,\n\tTriangleStripDrawMode,\n\tTrianglesDrawMode,\n\tVector3,\n} from 'three';\n\nfunction computeMikkTSpaceTangents( geometry, MikkTSpace, negateSign = true ) {\n\n\tif ( ! MikkTSpace || ! MikkTSpace.isReady ) {\n\n\t\tthrow new Error( 'BufferGeometryUtils: Initialized MikkTSpace library required.' );\n\n\t}\n\n\tif ( ! geometry.hasAttribute( 'position' ) || ! geometry.hasAttribute( 'normal' ) || ! geometry.hasAttribute( 'uv' ) ) {\n\n\t\tthrow new Error( 'BufferGeometryUtils: Tangents require \"position\", \"normal\", and \"uv\" attributes.' );\n\n\t}\n\n\tfunction getAttributeArray( attribute ) {\n\n\t\tif ( attribute.normalized || attribute.isInterleavedBufferAttribute ) {\n\n\t\t\tconst dstArray = new Float32Array( attribute.count * attribute.itemSize );\n\n\t\t\tfor ( let i = 0, j = 0; i \u003c attribute.count; i ++ ) {\n\n\t\t\t\tdstArray[ j ++ ] = attribute.getX( i );\n\t\t\t\tdstArray[ j ++ ] = attribute.getY( i );\n\n\t\t\t\tif ( attribute.itemSize \u003e 2 ) {\n\n\t\t\t\t\tdstArray[ j ++ ] = attribute.getZ( i );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\treturn dstArray;\n\n\t\t}\n\n\t\tif ( attribute.array instanceof Float32Array ) {\n\n\t\t\treturn attribute.array;\n\n\t\t}\n\n\t\treturn new Float32Array( attribute.array );\n\n\t}\n\n\t// MikkTSpace algorithm requires non-indexed input.\n\n\tconst _geometry = geometry.index ? geometry.toNonIndexed() : geometry;\n\n\t// Compute vertex tangents.\n\n\tconst tangents = MikkTSpace.generateTangents(\n\n\t\tgetAttributeArray( _geometry.attributes.position ),\n\t\tgetAttributeArray( _geometry.attributes.normal ),\n\t\tgetAttributeArray( _geometry.attributes.uv )\n\n\t);\n\n\t// Texture coordinate convention of glTF differs from the apparent\n\t// default of the MikkTSpace library; .w component must be flipped.\n\n\tif ( negateSign ) {\n\n\t\tfor ( let i = 3; i \u003c tangents.length; i += 4 ) {\n\n\t\t\ttangents[ i ] *= - 1;\n\n\t\t}\n\n\t}\n\n\t//\n\n\t_geometry.setAttribute( 'tangent', new BufferAttribute( tangents, 4 ) );\n\n\tif ( geometry !== _geometry ) {\n\n\t\tgeometry.copy( _geometry );\n\n\t}\n\n\treturn geometry;\n\n}\n\n/**\n * @param  {Array\u003cBufferGeometry\u003e} geometries\n * @param  {Boolean} useGroups\n * @return {BufferGeometry}\n */\nfunction mergeGeometries( geometries, useGroups = false ) {\n\n\tconst isIndexed = geometries[ 0 ].index !== null;\n\n\tconst attributesUsed = new Set( Object.keys( geometries[ 0 ].attributes ) );\n\tconst morphAttributesUsed = new Set( Object.keys( geometries[ 0 ].morphAttributes ) );\n\n\tconst attributes = {};\n\tconst morphAttributes = {};\n\n\tconst morphTargetsRelative = geometries[ 0 ].morphTargetsRelative;\n\n\tconst mergedGeometry = new BufferGeometry();\n\n\tlet offset = 0;\n\n\tfor ( let i = 0; i \u003c geometries.length; ++ i ) {\n\n\t\tconst geometry = geometries[ i ];\n\t\tlet attributesCount = 0;\n\n\t\t// ensure that all geometries are indexed, or none\n\n\t\tif ( isIndexed !== ( geometry.index !== null ) ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// gather attributes, exit early if they're different\n\n\t\tfor ( const name in geometry.attributes ) {\n\n\t\t\tif ( ! attributesUsed.has( name ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure \"' + name + '\" attribute exists among all geometries, or in none of them.' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tif ( attributes[ name ] === undefined ) attributes[ name ] = [];\n\n\t\t\tattributes[ name ].push( geometry.attributes[ name ] );\n\n\t\t\tattributesCount ++;\n\n\t\t}\n\n\t\t// ensure geometries have the same number of attributes\n\n\t\tif ( attributesCount !== attributesUsed.size ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. Make sure all geometries have the same number of attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\t// gather morph attributes, exit early if they're different\n\n\t\tif ( morphTargetsRelative !== geometry.morphTargetsRelative ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. .morphTargetsRelative must be consistent throughout all geometries.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tfor ( const name in geometry.morphAttributes ) {\n\n\t\t\tif ( ! morphAttributesUsed.has( name ) ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '.  .morphAttributes must be consistent throughout all geometries.' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tif ( morphAttributes[ name ] === undefined ) morphAttributes[ name ] = [];\n\n\t\t\tmorphAttributes[ name ].push( geometry.morphAttributes[ name ] );\n\n\t\t}\n\n\t\tif ( useGroups ) {\n\n\t\t\tlet count;\n\n\t\t\tif ( isIndexed ) {\n\n\t\t\t\tcount = geometry.index.count;\n\n\t\t\t} else if ( geometry.attributes.position !== undefined ) {\n\n\t\t\t\tcount = geometry.attributes.position.count;\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed with geometry at index ' + i + '. The geometry must have either an index or a position attribute' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tmergedGeometry.addGroup( offset, count, i );\n\n\t\t\toffset += count;\n\n\t\t}\n\n\t}\n\n\t// merge indices\n\n\tif ( isIndexed ) {\n\n\t\tlet indexOffset = 0;\n\t\tconst mergedIndex = [];\n\n\t\tfor ( let i = 0; i \u003c geometries.length; ++ i ) {\n\n\t\t\tconst index = geometries[ i ].index;\n\n\t\t\tfor ( let j = 0; j \u003c index.count; ++ j ) {\n\n\t\t\t\tmergedIndex.push( index.getX( j ) + indexOffset );\n\n\t\t\t}\n\n\t\t\tindexOffset += geometries[ i ].attributes.position.count;\n\n\t\t}\n\n\t\tmergedGeometry.setIndex( mergedIndex );\n\n\t}\n\n\t// merge attributes\n\n\tfor ( const name in attributes ) {\n\n\t\tconst mergedAttribute = mergeAttributes( attributes[ name ] );\n\n\t\tif ( ! mergedAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the ' + name + ' attribute.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tmergedGeometry.setAttribute( name, mergedAttribute );\n\n\t}\n\n\t// merge morph attributes\n\n\tfor ( const name in morphAttributes ) {\n\n\t\tconst numMorphTargets = morphAttributes[ name ][ 0 ].length;\n\n\t\tif ( numMorphTargets === 0 ) break;\n\n\t\tmergedGeometry.morphAttributes = mergedGeometry.morphAttributes || {};\n\t\tmergedGeometry.morphAttributes[ name ] = [];\n\n\t\tfor ( let i = 0; i \u003c numMorphTargets; ++ i ) {\n\n\t\t\tconst morphAttributesToMerge = [];\n\n\t\t\tfor ( let j = 0; j \u003c morphAttributes[ name ].length; ++ j ) {\n\n\t\t\t\tmorphAttributesToMerge.push( morphAttributes[ name ][ j ][ i ] );\n\n\t\t\t}\n\n\t\t\tconst mergedMorphAttribute = mergeAttributes( morphAttributesToMerge );\n\n\t\t\tif ( ! mergedMorphAttribute ) {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeGeometries() failed while trying to merge the ' + name + ' morphAttribute.' );\n\t\t\t\treturn null;\n\n\t\t\t}\n\n\t\t\tmergedGeometry.morphAttributes[ name ].push( mergedMorphAttribute );\n\n\t\t}\n\n\t}\n\n\treturn mergedGeometry;\n\n}\n\n/**\n * @param {Array\u003cBufferAttribute\u003e} attributes\n * @return {BufferAttribute}\n */\nfunction mergeAttributes( attributes ) {\n\n\tlet TypedArray;\n\tlet itemSize;\n\tlet normalized;\n\tlet gpuType = - 1;\n\tlet arrayLength = 0;\n\n\tfor ( let i = 0; i \u003c attributes.length; ++ i ) {\n\n\t\tconst attribute = attributes[ i ];\n\n\t\tif ( attribute.isInterleavedBufferAttribute ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. InterleavedBufferAttributes are not supported.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( TypedArray === undefined ) TypedArray = attribute.array.constructor;\n\t\tif ( TypedArray !== attribute.array.constructor ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.array must be of consistent array types across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( itemSize === undefined ) itemSize = attribute.itemSize;\n\t\tif ( itemSize !== attribute.itemSize ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.itemSize must be consistent across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( normalized === undefined ) normalized = attribute.normalized;\n\t\tif ( normalized !== attribute.normalized ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.normalized must be consistent across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tif ( gpuType === - 1 ) gpuType = attribute.gpuType;\n\t\tif ( gpuType !== attribute.gpuType ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils: .mergeAttributes() failed. BufferAttribute.gpuType must be consistent across matching attributes.' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tarrayLength += attribute.array.length;\n\n\t}\n\n\tconst array = new TypedArray( arrayLength );\n\tlet offset = 0;\n\n\tfor ( let i = 0; i \u003c attributes.length; ++ i ) {\n\n\t\tarray.set( attributes[ i ].array, offset );\n\n\t\toffset += attributes[ i ].array.length;\n\n\t}\n\n\tconst result = new BufferAttribute( array, itemSize, normalized );\n\tif ( gpuType !== undefined ) {\n\n\t\tresult.gpuType = gpuType;\n\n\t}\n\n\treturn result;\n\n}\n\n/**\n * @param {BufferAttribute}\n * @return {BufferAttribute}\n */\nexport function deepCloneAttribute( attribute ) {\n\n\tif ( attribute.isInstancedInterleavedBufferAttribute || attribute.isInterleavedBufferAttribute ) {\n\n\t\treturn deinterleaveAttribute( attribute );\n\n\t}\n\n\tif ( attribute.isInstancedBufferAttribute ) {\n\n\t\treturn new InstancedBufferAttribute().copy( attribute );\n\n\t}\n\n\treturn new BufferAttribute().copy( attribute );\n\n}\n\n/**\n * @param {Array\u003cBufferAttribute\u003e} attributes\n * @return {Array\u003cInterleavedBufferAttribute\u003e}\n */\nfunction interleaveAttributes( attributes ) {\n\n\t// Interleaves the provided attributes into an InterleavedBuffer and returns\n\t// a set of InterleavedBufferAttributes for each attribute\n\tlet TypedArray;\n\tlet arrayLength = 0;\n\tlet stride = 0;\n\n\t// calculate the length and type of the interleavedBuffer\n\tfor ( let i = 0, l = attributes.length; i \u003c l; ++ i ) {\n\n\t\tconst attribute = attributes[ i ];\n\n\t\tif ( TypedArray === undefined ) TypedArray = attribute.array.constructor;\n\t\tif ( TypedArray !== attribute.array.constructor ) {\n\n\t\t\tconsole.error( 'AttributeBuffers of different types cannot be interleaved' );\n\t\t\treturn null;\n\n\t\t}\n\n\t\tarrayLength += attribute.array.length;\n\t\tstride += attribute.itemSize;\n\n\t}\n\n\t// Create the set of buffer attributes\n\tconst interleavedBuffer = new InterleavedBuffer( new TypedArray( arrayLength ), stride );\n\tlet offset = 0;\n\tconst res = [];\n\tconst getters = [ 'getX', 'getY', 'getZ', 'getW' ];\n\tconst setters = [ 'setX', 'setY', 'setZ', 'setW' ];\n\n\tfor ( let j = 0, l = attributes.length; j \u003c l; j ++ ) {\n\n\t\tconst attribute = attributes[ j ];\n\t\tconst itemSize = attribute.itemSize;\n\t\tconst count = attribute.count;\n\t\tconst iba = new InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, attribute.normalized );\n\t\tres.push( iba );\n\n\t\toffset += itemSize;\n\n\t\t// Move the data for each attribute into the new interleavedBuffer\n\t\t// at the appropriate offset\n\t\tfor ( let c = 0; c \u003c count; c ++ ) {\n\n\t\t\tfor ( let k = 0; k \u003c itemSize; k ++ ) {\n\n\t\t\t\tiba[ setters[ k ] ]( c, attribute[ getters[ k ] ]( c ) );\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn res;\n\n}\n\n// returns a new, non-interleaved version of the provided attribute\nexport function deinterleaveAttribute( attribute ) {\n\n\tconst cons = attribute.data.array.constructor;\n\tconst count = attribute.count;\n\tconst itemSize = attribute.itemSize;\n\tconst normalized = attribute.normalized;\n\n\tconst array = new cons( count * itemSize );\n\tlet newAttribute;\n\tif ( attribute.isInstancedInterleavedBufferAttribute ) {\n\n\t\tnewAttribute = new InstancedBufferAttribute( array, itemSize, normalized, attribute.meshPerAttribute );\n\n\t} else {\n\n\t\tnewAttribute = new BufferAttribute( array, itemSize, normalized );\n\n\t}\n\n\tfor ( let i = 0; i \u003c count; i ++ ) {\n\n\t\tnewAttribute.setX( i, attribute.getX( i ) );\n\n\t\tif ( itemSize \u003e= 2 ) {\n\n\t\t\tnewAttribute.setY( i, attribute.getY( i ) );\n\n\t\t}\n\n\t\tif ( itemSize \u003e= 3 ) {\n\n\t\t\tnewAttribute.setZ( i, attribute.getZ( i ) );\n\n\t\t}\n\n\t\tif ( itemSize \u003e= 4 ) {\n\n\t\t\tnewAttribute.setW( i, attribute.getW( i ) );\n\n\t\t}\n\n\t}\n\n\treturn newAttribute;\n\n}\n\n// deinterleaves all attributes on the geometry\nexport function deinterleaveGeometry( geometry ) {\n\n\tconst attributes = geometry.attributes;\n\tconst morphTargets = geometry.morphTargets;\n\tconst attrMap = new Map();\n\n\tfor ( const key in attributes ) {\n\n\t\tconst attr = attributes[ key ];\n\t\tif ( attr.isInterleavedBufferAttribute ) {\n\n\t\t\tif ( ! attrMap.has( attr ) ) {\n\n\t\t\t\tattrMap.set( attr, deinterleaveAttribute( attr ) );\n\n\t\t\t}\n\n\t\t\tattributes[ key ] = attrMap.get( attr );\n\n\t\t}\n\n\t}\n\n\tfor ( const key in morphTargets ) {\n\n\t\tconst attr = morphTargets[ key ];\n\t\tif ( attr.isInterleavedBufferAttribute ) {\n\n\t\t\tif ( ! attrMap.has( attr ) ) {\n\n\t\t\t\tattrMap.set( attr, deinterleaveAttribute( attr ) );\n\n\t\t\t}\n\n\t\t\tmorphTargets[ key ] = attrMap.get( attr );\n\n\t\t}\n\n\t}\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @return {number}\n */\nfunction estimateBytesUsed( geometry ) {\n\n\t// Return the estimated memory used by this geometry in bytes\n\t// Calculate using itemSize, count, and BYTES_PER_ELEMENT to account\n\t// for InterleavedBufferAttributes.\n\tlet mem = 0;\n\tfor ( const name in geometry.attributes ) {\n\n\t\tconst attr = geometry.getAttribute( name );\n\t\tmem += attr.count * attr.itemSize * attr.array.BYTES_PER_ELEMENT;\n\n\t}\n\n\tconst indices = geometry.getIndex();\n\tmem += indices ? indices.count * indices.itemSize * indices.array.BYTES_PER_ELEMENT : 0;\n\treturn mem;\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {number} tolerance\n * @return {BufferGeometry}\n */\nfunction mergeVertices( geometry, tolerance = 1e-4 ) {\n\n\ttolerance = Math.max( tolerance, Number.EPSILON );\n\n\t// Generate an index buffer if the geometry doesn't have one, or optimize it\n\t// if it's already available.\n\tconst hashToIndex = {};\n\tconst indices = geometry.getIndex();\n\tconst positions = geometry.getAttribute( 'position' );\n\tconst vertexCount = indices ? indices.count : positions.count;\n\n\t// next value for triangle indices\n\tlet nextIndex = 0;\n\n\t// attributes and new attribute arrays\n\tconst attributeNames = Object.keys( geometry.attributes );\n\tconst tmpAttributes = {};\n\tconst tmpMorphAttributes = {};\n\tconst newIndices = [];\n\tconst getters = [ 'getX', 'getY', 'getZ', 'getW' ];\n\tconst setters = [ 'setX', 'setY', 'setZ', 'setW' ];\n\n\t// Initialize the arrays, allocating space conservatively. Extra\n\t// space will be trimmed in the last step.\n\tfor ( let i = 0, l = attributeNames.length; i \u003c l; i ++ ) {\n\n\t\tconst name = attributeNames[ i ];\n\t\tconst attr = geometry.attributes[ name ];\n\n\t\ttmpAttributes[ name ] = new BufferAttribute(\n\t\t\tnew attr.array.constructor( attr.count * attr.itemSize ),\n\t\t\tattr.itemSize,\n\t\t\tattr.normalized\n\t\t);\n\n\t\tconst morphAttr = geometry.morphAttributes[ name ];\n\t\tif ( morphAttr ) {\n\n\t\t\ttmpMorphAttributes[ name ] = new BufferAttribute(\n\t\t\t\tnew morphAttr.array.constructor( morphAttr.count * morphAttr.itemSize ),\n\t\t\t\tmorphAttr.itemSize,\n\t\t\t\tmorphAttr.normalized\n\t\t\t);\n\n\t\t}\n\n\t}\n\n\t// convert the error tolerance to an amount of decimal places to truncate to\n\tconst halfTolerance = tolerance * 0.5;\n\tconst exponent = Math.log10( 1 / tolerance );\n\tconst hashMultiplier = Math.pow( 10, exponent );\n\tconst hashAdditive = halfTolerance * hashMultiplier;\n\tfor ( let i = 0; i \u003c vertexCount; i ++ ) {\n\n\t\tconst index = indices ? indices.getX( i ) : i;\n\n\t\t// Generate a hash for the vertex attributes at the current index 'i'\n\t\tlet hash = '';\n\t\tfor ( let j = 0, l = attributeNames.length; j \u003c l; j ++ ) {\n\n\t\t\tconst name = attributeNames[ j ];\n\t\t\tconst attribute = geometry.getAttribute( name );\n\t\t\tconst itemSize = attribute.itemSize;\n\n\t\t\tfor ( let k = 0; k \u003c itemSize; k ++ ) {\n\n\t\t\t\t// double tilde truncates the decimal value\n\t\t\t\thash += `${ ~ ~ ( attribute[ getters[ k ] ]( index ) * hashMultiplier + hashAdditive ) },`;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Add another reference to the vertex if it's already\n\t\t// used by another index\n\t\tif ( hash in hashToIndex ) {\n\n\t\t\tnewIndices.push( hashToIndex[ hash ] );\n\n\t\t} else {\n\n\t\t\t// copy data to the new index in the temporary attributes\n\t\t\tfor ( let j = 0, l = attributeNames.length; j \u003c l; j ++ ) {\n\n\t\t\t\tconst name = attributeNames[ j ];\n\t\t\t\tconst attribute = geometry.getAttribute( name );\n\t\t\t\tconst morphAttr = geometry.morphAttributes[ name ];\n\t\t\t\tconst itemSize = attribute.itemSize;\n\t\t\t\tconst newarray = tmpAttributes[ name ];\n\t\t\t\tconst newMorphArrays = tmpMorphAttributes[ name ];\n\n\t\t\t\tfor ( let k = 0; k \u003c itemSize; k ++ ) {\n\n\t\t\t\t\tconst getterFunc = getters[ k ];\n\t\t\t\t\tconst setterFunc = setters[ k ];\n\t\t\t\t\tnewarray[ setterFunc ]( nextIndex, attribute[ getterFunc ]( index ) );\n\n\t\t\t\t\tif ( morphAttr ) {\n\n\t\t\t\t\t\tfor ( let m = 0, ml = morphAttr.length; m \u003c ml; m ++ ) {\n\n\t\t\t\t\t\t\tnewMorphArrays[ m ][ setterFunc ]( nextIndex, morphAttr[ m ][ getterFunc ]( index ) );\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\thashToIndex[ hash ] = nextIndex;\n\t\t\tnewIndices.push( nextIndex );\n\t\t\tnextIndex ++;\n\n\t\t}\n\n\t}\n\n\t// generate result BufferGeometry\n\tconst result = geometry.clone();\n\tfor ( const name in geometry.attributes ) {\n\n\t\tconst tmpAttribute = tmpAttributes[ name ];\n\n\t\tresult.setAttribute( name, new BufferAttribute(\n\t\t\ttmpAttribute.array.slice( 0, nextIndex * tmpAttribute.itemSize ),\n\t\t\ttmpAttribute.itemSize,\n\t\t\ttmpAttribute.normalized,\n\t\t) );\n\n\t\tif ( ! ( name in tmpMorphAttributes ) ) continue;\n\n\t\tfor ( let j = 0; j \u003c tmpMorphAttributes[ name ].length; j ++ ) {\n\n\t\t\tconst tmpMorphAttribute = tmpMorphAttributes[ name ][ j ];\n\n\t\t\tresult.morphAttributes[ name ][ j ] = new BufferAttribute(\n\t\t\t\ttmpMorphAttribute.array.slice( 0, nextIndex * tmpMorphAttribute.itemSize ),\n\t\t\t\ttmpMorphAttribute.itemSize,\n\t\t\t\ttmpMorphAttribute.normalized,\n\t\t\t);\n\n\t\t}\n\n\t}\n\n\t// indices\n\n\tresult.setIndex( newIndices );\n\n\treturn result;\n\n}\n\n/**\n * @param {BufferGeometry} geometry\n * @param {number} drawMode\n * @return {BufferGeometry}\n */\nfunction toTrianglesDrawMode( geometry, drawMode ) {\n\n\tif ( drawMode === TrianglesDrawMode ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles.' );\n\t\treturn geometry;\n\n\t}\n\n\tif ( drawMode === TriangleFanDrawMode || drawMode === TriangleStripDrawMode ) {\n\n\t\tlet index = geometry.getIndex();\n\n\t\t// generate index if not present\n\n\t\tif ( index === null ) {\n\n\t\t\tconst indices = [];\n\n\t\t\tconst position = geometry.getAttribute( 'position' );\n\n\t\t\tif ( position !== undefined ) {\n\n\t\t\t\tfor ( let i = 0; i \u003c position.count; i ++ ) {\n\n\t\t\t\t\tindices.push( i );\n\n\t\t\t\t}\n\n\t\t\t\tgeometry.setIndex( indices );\n\t\t\t\tindex = geometry.getIndex();\n\n\t\t\t} else {\n\n\t\t\t\tconsole.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );\n\t\t\t\treturn geometry;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//\n\n\t\tconst numberOfTriangles = index.count - 2;\n\t\tconst newIndices = [];\n\n\t\tif ( drawMode === TriangleFanDrawMode ) {\n\n\t\t\t// gl.TRIANGLE_FAN\n\n\t\t\tfor ( let i = 1; i \u003c= numberOfTriangles; i ++ ) {\n\n\t\t\t\tnewIndices.push( index.getX( 0 ) );\n\t\t\t\tnewIndices.push( index.getX( i ) );\n\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\t// gl.TRIANGLE_STRIP\n\n\t\t\tfor ( let i = 0; i \u003c numberOfTriangles; i ++ ) {\n\n\t\t\t\tif ( i % 2 === 0 ) {\n\n\t\t\t\t\tnewIndices.push( index.getX( i ) );\n\t\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\t\t\t\t\tnewIndices.push( index.getX( i + 2 ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\tnewIndices.push( index.getX( i + 2 ) );\n\t\t\t\t\tnewIndices.push( index.getX( i + 1 ) );\n\t\t\t\t\tnewIndices.push( index.getX( i ) );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif ( ( newIndices.length / 3 ) !== numberOfTriangles ) {\n\n\t\t\tconsole.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );\n\n\t\t}\n\n\t\t// build final geometry\n\n\t\tconst newGeometry = geometry.clone();\n\t\tnewGeometry.setIndex( newIndices );\n\t\tnewGeometry.clearGroups();\n\n\t\treturn newGeometry;\n\n\t} else {\n\n\t\tconsole.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:', drawMode );\n\t\treturn geometry;\n\n\t}\n\n}\n\n/**\n * Calculates the morphed attributes of a morphed/skinned BufferGeometry.\n * Helpful for Raytracing or Decals.\n * @param {Mesh | Line | Points} object An instance of Mesh, Line or Points.\n * @return {Object} An Object with original position/normal attributes and morphed ones.\n */\nfunction computeMorphedAttributes( object ) {\n\n\tconst _vA = new Vector3();\n\tconst _vB = new Vector3();\n\tconst _vC = new Vector3();\n\n\tconst _tempA = new Vector3();\n\tconst _tempB = new Vector3();\n\tconst _tempC = new Vector3();\n\n\tconst _morphA = new Vector3();\n\tconst _morphB = new Vector3();\n\tconst _morphC = new Vector3();\n\n\tfunction _calculateMorphedAttributeData(\n\t\tobject,\n\t\tattribute,\n\t\tmorphAttribute,\n\t\tmorphTargetsRelative,\n\t\ta,\n\t\tb,\n\t\tc,\n\t\tmodifiedAttributeArray\n\t) {\n\n\t\t_vA.fromBufferAttribute( attribute, a );\n\t\t_vB.fromBufferAttribute( attribute, b );\n\t\t_vC.fromBufferAttribute( attribute, c );\n\n\t\tconst morphInfluences = object.morphTargetInfluences;\n\n\t\tif ( morphAttribute \u0026\u0026 morphInfluences ) {\n\n\t\t\t_morphA.set( 0, 0, 0 );\n\t\t\t_morphB.set( 0, 0, 0 );\n\t\t\t_morphC.set( 0, 0, 0 );\n\n\t\t\tfor ( let i = 0, il = morphAttribute.length; i \u003c il; i ++ ) {\n\n\t\t\t\tconst influence = morphInfluences[ i ];\n\t\t\t\tconst morph = morphAttribute[ i ];\n\n\t\t\t\tif ( influence === 0 ) continue;\n\n\t\t\t\t_tempA.fromBufferAttribute( morph, a );\n\t\t\t\t_tempB.fromBufferAttribute( morph, b );\n\t\t\t\t_tempC.fromBufferAttribute( morph, c );\n\n\t\t\t\tif ( morphTargetsRelative ) {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA, influence );\n\t\t\t\t\t_morphB.addScaledVector( _tempB, influence );\n\t\t\t\t\t_morphC.addScaledVector( _tempC, influence );\n\n\t\t\t\t} else {\n\n\t\t\t\t\t_morphA.addScaledVector( _tempA.sub( _vA ), influence );\n\t\t\t\t\t_morphB.addScaledVector( _tempB.sub( _vB ), influence );\n\t\t\t\t\t_morphC.addScaledVector( _tempC.sub( _vC ), influence );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t_vA.add( _morphA );\n\t\t\t_vB.add( _morphB );\n\t\t\t_vC.add( _morphC );\n\n\t\t}\n\n\t\tif ( object.isSkinnedMesh ) {\n\n\t\t\tobject.applyBoneTransform( a, _vA );\n\t\t\tobject.applyBoneTransform( b, _vB );\n\t\t\tobject.applyBoneTransform( c, _vC );\n\n\t\t}\n\n\t\tmodifiedAttributeArray[ a * 3 + 0 ] = _vA.x;\n\t\tmodifiedAttributeArray[ a * 3 + 1 ] = _vA.y;\n\t\tmodifiedAttributeArray[ a * 3 + 2 ] = _vA.z;\n\t\tmodifiedAttributeArray[ b * 3 + 0 ] = _vB.x;\n\t\tmodifiedAttributeArray[ b * 3 + 1 ] = _vB.y;\n\t\tmodifiedAttributeArray[ b * 3 + 2 ] = _vB.z;\n\t\tmodifiedAttributeArray[ c * 3 + 0 ] = _vC.x;\n\t\tmodifiedAttributeArray[ c * 3 + 1 ] = _vC.y;\n\t\tmodifiedAttributeArray[ c * 3 + 2 ] = _vC.z;\n\n\t}\n\n\tconst geometry = object.geometry;\n\tconst material = object.material;\n\n\tlet a, b, c;\n\tconst index = geometry.index;\n\tconst positionAttribute = geometry.attributes.position;\n\tconst morphPosition = geometry.morphAttributes.position;\n\tconst morphTargetsRelative = geometry.morphTargetsRelative;\n\tconst normalAttribute = geometry.attributes.normal;\n\tconst morphNormal = geometry.morphAttributes.position;\n\n\tconst groups = geometry.groups;\n\tconst drawRange = geometry.drawRange;\n\tlet i, j, il, jl;\n\tlet group;\n\tlet start, end;\n\n\tconst modifiedPosition = new Float32Array( positionAttribute.count * positionAttribute.itemSize );\n\tconst modifiedNormal = new Float32Array( normalAttribute.count * normalAttribute.itemSize );\n\n\tif ( index !== null ) {\n\n\t\t// indexed buffer geometry\n\n\t\tif ( Array.isArray( material ) ) {\n\n\t\t\tfor ( i = 0, il = groups.length; i \u003c il; i ++ ) {\n\n\t\t\t\tgroup = groups[ i ];\n\n\t\t\t\tstart = Math.max( group.start, drawRange.start );\n\t\t\t\tend = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( j = start, jl = end; j \u003c jl; j += 3 ) {\n\n\t\t\t\t\ta = index.getX( j );\n\t\t\t\t\tb = index.getX( j + 1 );\n\t\t\t\t\tc = index.getX( j + 2 );\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tpositionAttribute,\n\t\t\t\t\t\tmorphPosition,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedPosition\n\t\t\t\t\t);\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tnormalAttribute,\n\t\t\t\t\t\tmorphNormal,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedNormal\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tstart = Math.max( 0, drawRange.start );\n\t\t\tend = Math.min( index.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( i = start, il = end; i \u003c il; i += 3 ) {\n\n\t\t\t\ta = index.getX( i );\n\t\t\t\tb = index.getX( i + 1 );\n\t\t\t\tc = index.getX( i + 2 );\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tpositionAttribute,\n\t\t\t\t\tmorphPosition,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedPosition\n\t\t\t\t);\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tnormalAttribute,\n\t\t\t\t\tmorphNormal,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedNormal\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t} else {\n\n\t\t// non-indexed buffer geometry\n\n\t\tif ( Array.isArray( material ) ) {\n\n\t\t\tfor ( i = 0, il = groups.length; i \u003c il; i ++ ) {\n\n\t\t\t\tgroup = groups[ i ];\n\n\t\t\t\tstart = Math.max( group.start, drawRange.start );\n\t\t\t\tend = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) );\n\n\t\t\t\tfor ( j = start, jl = end; j \u003c jl; j += 3 ) {\n\n\t\t\t\t\ta = j;\n\t\t\t\t\tb = j + 1;\n\t\t\t\t\tc = j + 2;\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tpositionAttribute,\n\t\t\t\t\t\tmorphPosition,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedPosition\n\t\t\t\t\t);\n\n\t\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\t\tobject,\n\t\t\t\t\t\tnormalAttribute,\n\t\t\t\t\t\tmorphNormal,\n\t\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\t\ta, b, c,\n\t\t\t\t\t\tmodifiedNormal\n\t\t\t\t\t);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tstart = Math.max( 0, drawRange.start );\n\t\t\tend = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );\n\n\t\t\tfor ( i = start, il = end; i \u003c il; i += 3 ) {\n\n\t\t\t\ta = i;\n\t\t\t\tb = i + 1;\n\t\t\t\tc = i + 2;\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tpositionAttribute,\n\t\t\t\t\tmorphPosition,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedPosition\n\t\t\t\t);\n\n\t\t\t\t_calculateMorphedAttributeData(\n\t\t\t\t\tobject,\n\t\t\t\t\tnormalAttribute,\n\t\t\t\t\tmorphNormal,\n\t\t\t\t\tmorphTargetsRelative,\n\t\t\t\t\ta, b, c,\n\t\t\t\t\tmodifiedNormal\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tconst morphedPositionAttribute = new Float32BufferAttribute( modifiedPosition, 3 );\n\tconst morphedNormalAttribute = new Float32BufferAttribute( modifiedNormal, 3 );\n\n\treturn {\n\n\t\tpositionAttribute: positionAttribute,\n\t\tnormalAttribute: normalAttribute,\n\t\tmorphedPositionAttribute: morphedPositionAttribute,\n\t\tmorphedNormalAttribute: morphedNormalAttribute\n\n\t};\n\n}\n\nfunction mergeGroups( geometry ) {\n\n\tif ( geometry.groups.length === 0 ) {\n\n\t\tconsole.warn( 'THREE.BufferGeometryUtils.mergeGroups(): No groups are defined. Nothing to merge.' );\n\t\treturn geometry;\n\n\t}\n\n\tlet groups = geometry.groups;\n\n\t// sort groups by material index\n\n\tgroups = groups.sort( ( a, b ) =\u003e {\n\n\t\tif ( a.materialIndex !== b.materialIndex ) return a.materialIndex - b.materialIndex;\n\n\t\treturn a.start - b.start;\n\n\t} );\n\n\t// create index for non-indexed geometries\n\n\tif ( geometry.getIndex() === null ) {\n\n\t\tconst positionAttribute = geometry.getAttribute( 'position' );\n\t\tconst indices = [];\n\n\t\tfor ( let i = 0; i \u003c positionAttribute.count; i += 3 ) {\n\n\t\t\tindices.push( i, i + 1, i + 2 );\n\n\t\t}\n\n\t\tgeometry.setIndex( indices );\n\n\t}\n\n\t// sort index\n\n\tconst index = geometry.getIndex();\n\n\tconst newIndices = [];\n\n\tfor ( let i = 0; i \u003c groups.length; i ++ ) {\n\n\t\tconst group = groups[ i ];\n\n\t\tconst groupStart = group.start;\n\t\tconst groupLength = groupStart + group.count;\n\n\t\tfor ( let j = groupStart; j \u003c groupLength; j ++ ) {\n\n\t\t\tnewIndices.push( index.getX( j ) );\n\n\t\t}\n\n\t}\n\n\tgeometry.dispose(); // Required to force buffer recreation\n\tgeometry.setIndex( newIndices );\n\n\t// update groups indices\n\n\tlet start = 0;\n\n\tfor ( let i = 0; i \u003c groups.length; i ++ ) {\n\n\t\tconst group = groups[ i ];\n\n\t\tgroup.start = start;\n\t\tstart += group.count;\n\n\t}\n\n\t// merge groups\n\n\tlet currentGroup = groups[ 0 ];\n\n\tgeometry.groups = [ currentGroup ];\n\n\tfor ( let i = 1; i \u003c groups.length; i ++ ) {\n\n\t\tconst group = groups[ i ];\n\n\t\tif ( currentGroup.materialIndex === group.materialIndex ) {\n\n\t\t\tcurrentGroup.count += group.count;\n\n\t\t} else {\n\n\t\t\tcurrentGroup = group;\n\t\t\tgeometry.groups.push( currentGroup );\n\n\t\t}\n\n\t}\n\n\treturn geometry;\n\n}\n\n\n/**\n * Modifies the supplied geometry if it is non-indexed, otherwise creates a new,\n * non-indexed geometry. Returns the geometry with smooth normals everywhere except\n * faces that meet at an angle greater than the crease angle.\n *\n * @param {BufferGeometry} geometry\n * @param {number} [creaseAngle]\n * @return {BufferGeometry}\n */\nfunction toCreasedNormals( geometry, creaseAngle = Math.PI / 3 /* 60 degrees */ ) {\n\n\tconst creaseDot = Math.cos( creaseAngle );\n\tconst hashMultiplier = ( 1 + 1e-10 ) * 1e2;\n\n\t// reusable vectors\n\tconst verts = [ new Vector3(), new Vector3(), new Vector3() ];\n\tconst tempVec1 = new Vector3();\n\tconst tempVec2 = new Vector3();\n\tconst tempNorm = new Vector3();\n\tconst tempNorm2 = new Vector3();\n\n\t// hashes a vector\n\tfunction hashVertex( v ) {\n\n\t\tconst x = ~ ~ ( v.x * hashMultiplier );\n\t\tconst y = ~ ~ ( v.y * hashMultiplier );\n\t\tconst z = ~ ~ ( v.z * hashMultiplier );\n\t\treturn `${x},${y},${z}`;\n\n\t}\n\n\t// BufferGeometry.toNonIndexed() warns if the geometry is non-indexed\n\t// and returns the original geometry\n\tconst resultGeometry = geometry.index ? geometry.toNonIndexed() : geometry;\n\tconst posAttr = resultGeometry.attributes.position;\n\tconst vertexMap = {};\n\n\t// find all the normals shared by commonly located vertices\n\tfor ( let i = 0, l = posAttr.count / 3; i \u003c l; i ++ ) {\n\n\t\tconst i3 = 3 * i;\n\t\tconst a = verts[ 0 ].fromBufferAttribute( posAttr, i3 + 0 );\n\t\tconst b = verts[ 1 ].fromBufferAttribute( posAttr, i3 + 1 );\n\t\tconst c = verts[ 2 ].fromBufferAttribute( posAttr, i3 + 2 );\n\n\t\ttempVec1.subVectors( c, b );\n\t\ttempVec2.subVectors( a, b );\n\n\t\t// add the normal to the map for all vertices\n\t\tconst normal = new Vector3().crossVectors( tempVec1, tempVec2 ).normalize();\n\t\tfor ( let n = 0; n \u003c 3; n ++ ) {\n\n\t\t\tconst vert = verts[ n ];\n\t\t\tconst hash = hashVertex( vert );\n\t\t\tif ( ! ( hash in vertexMap ) ) {\n\n\t\t\t\tvertexMap[ hash ] = [];\n\n\t\t\t}\n\n\t\t\tvertexMap[ hash ].push( normal );\n\n\t\t}\n\n\t}\n\n\t// average normals from all vertices that share a common location if they are within the\n\t// provided crease threshold\n\tconst normalArray = new Float32Array( posAttr.count * 3 );\n\tconst normAttr = new BufferAttribute( normalArray, 3, false );\n\tfor ( let i = 0, l = posAttr.count / 3; i \u003c l; i ++ ) {\n\n\t\t// get the face normal for this vertex\n\t\tconst i3 = 3 * i;\n\t\tconst a = verts[ 0 ].fromBufferAttribute( posAttr, i3 + 0 );\n\t\tconst b = verts[ 1 ].fromBufferAttribute( posAttr, i3 + 1 );\n\t\tconst c = verts[ 2 ].fromBufferAttribute( posAttr, i3 + 2 );\n\n\t\ttempVec1.subVectors( c, b );\n\t\ttempVec2.subVectors( a, b );\n\n\t\ttempNorm.crossVectors( tempVec1, tempVec2 ).normalize();\n\n\t\t// average all normals that meet the threshold and set the normal value\n\t\tfor ( let n = 0; n \u003c 3; n ++ ) {\n\n\t\t\tconst vert = verts[ n ];\n\t\t\tconst hash = hashVertex( vert );\n\t\t\tconst otherNormals = vertexMap[ hash ];\n\t\t\ttempNorm2.set( 0, 0, 0 );\n\n\t\t\tfor ( let k = 0, lk = otherNormals.length; k \u003c lk; k ++ ) {\n\n\t\t\t\tconst otherNorm = otherNormals[ k ];\n\t\t\t\tif ( tempNorm.dot( otherNorm ) \u003e creaseDot ) {\n\n\t\t\t\t\ttempNorm2.add( otherNorm );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\ttempNorm2.normalize();\n\t\t\tnormAttr.setXYZ( i3 + n, tempNorm2.x, tempNorm2.y, tempNorm2.z );\n\n\t\t}\n\n\t}\n\n\tresultGeometry.setAttribute( 'normal', normAttr );\n\treturn resultGeometry;\n\n}\n\nfunction mergeBufferGeometries( geometries, useGroups = false ) {\n\n\tconsole.warn( 'THREE.BufferGeometryUtils: mergeBufferGeometries() has been renamed to mergeGeometries().' ); // @deprecated, r151\n\treturn mergeGeometries( geometries, useGroups );\n\n}\n\nfunction mergeBufferAttributes( attributes ) {\n\n\tconsole.warn( 'THREE.BufferGeometryUtils: mergeBufferAttributes() has been renamed to mergeAttributes().' ); // @deprecated, r151\n\treturn mergeAttributes( attributes );\n\n}\n\nexport {\n\tcomputeMikkTSpaceTangents,\n\tmergeGeometries,\n\tmergeBufferGeometries,\n\tmergeAttributes,\n\tmergeBufferAttributes,\n\tinterleaveAttributes,\n\testimateBytesUsed,\n\tmergeVertices,\n\ttoTrianglesDrawMode,\n\tcomputeMorphedAttributes,\n\tmergeGroups,\n\ttoCreasedNormals\n};\n"],"version":3}