import {
  a,
  c as c3,
  d,
  e as e4,
  f as f3,
  i as i2,
  n as n2,
  n2 as n3,
  n3 as n4,
  n4 as n5,
  o as o3,
  o2 as o4,
  o3 as o5,
  r as r6,
  r2 as r7,
  t as t4
} from "./chunk-NBRP7CWO.js";
import "./chunk-GXVMJ7RN.js";
import "./chunk-6BRTRIDE.js";
import {
  f as f2,
  p
} from "./chunk-T47XOAZJ.js";
import {
  c as c2,
  m
} from "./chunk-7NPG47AN.js";
import "./chunk-2QVXRTVA.js";
import {
  D,
  E as E2
} from "./chunk-MI7HWWFL.js";
import {
  k3 as k
} from "./chunk-2ADIR7NB.js";
import {
  e2 as e3,
  f,
  n,
  o as o2,
  r as r5,
  t as t2,
  t2 as t3
} from "./chunk-4KFEVYXL.js";
import "./chunk-5W6F4NR5.js";
import "./chunk-YZUP3MAF.js";
import "./chunk-E3HOL2XO.js";
import {
  e as e2
} from "./chunk-SCXOTZ6Q.js";
import {
  E,
  L,
  O,
  T,
  c,
  i,
  u,
  x
} from "./chunk-H4JLO5B2.js";
import "./chunk-G5AI6ZNE.js";
import "./chunk-5JK4DCPE.js";
import {
  j
} from "./chunk-CRGVDJI6.js";
import "./chunk-DH2OBAUC.js";
import "./chunk-TNLRDNTC.js";
import "./chunk-6P6NA7JB.js";
import "./chunk-LPQPD3EP.js";
import "./chunk-WR32EHFC.js";
import {
  r as r4
} from "./chunk-NTUXR253.js";
import "./chunk-H2KDMZTR.js";
import {
  l
} from "./chunk-7XXXCK2A.js";
import "./chunk-65BYCSII.js";
import "./chunk-TERAW6FT.js";
import "./chunk-N2663GRX.js";
import "./chunk-O4FY3ITT.js";
import "./chunk-JXW4QTJA.js";
import {
  w
} from "./chunk-XNLG7T2T.js";
import {
  r as r3
} from "./chunk-IR4PV7VK.js";
import "./chunk-OWVBLVP3.js";
import "./chunk-WJ3OEUD3.js";
import "./chunk-MXB2XLKV.js";
import "./chunk-HNOZUNJ4.js";
import {
  U
} from "./chunk-VNFRAYHO.js";
import "./chunk-R5IG2D6H.js";
import "./chunk-VBRY5KJM.js";
import "./chunk-PDKDCAAD.js";
import "./chunk-ECW2QABR.js";
import "./chunk-GCDJLKH4.js";
import "./chunk-MRJEICT6.js";
import "./chunk-Y3WMVFTW.js";
import "./chunk-SAS7RONY.js";
import "./chunk-WSRBH7BF.js";
import {
  r as r2
} from "./chunk-IHXECKQQ.js";
import "./chunk-ULGDPLM2.js";
import "./chunk-EMJ4ZSM2.js";
import "./chunk-IKP3YN53.js";
import {
  e,
  o,
  r,
  t
} from "./chunk-GZT4BVFP.js";
import "./chunk-A5ICIBVI.js";

// node_modules/@arcgis/core/geometry/support/meshUtils/loadGLTFMesh.js
async function W(t5, e5, r8) {
  const o6 = new n4(X(r8)), n6 = (await c3(o6, e5, r8, true)).model, s = n6.lods.shift(), a2 = new Map(), c4 = new Map();
  n6.textures.forEach((t6, e6) => a2.set(e6, et(t6))), n6.materials.forEach((t6, e6) => c4.set(e6, rt(t6, a2)));
  const l2 = tt(s);
  for (const i3 of l2.parts)
    ot(l2, i3, c4);
  const { position: u2, normal: f4, tangent: m2, color: p2, texCoord0: d2 } = l2.vertexAttributes, h = { position: u2.typedBuffer, normal: r(f4) ? f4.typedBuffer : null, tangent: r(m2) ? m2.typedBuffer : null, uv: r(d2) ? d2.typedBuffer : null, color: r(p2) ? p2.typedBuffer : null }, x2 = k(h, t5, r8);
  return { transform: x2.transform, components: l2.components, spatialReference: t5.spatialReference, vertexAttributes: new p({ position: x2.vertexAttributes.position, normal: x2.vertexAttributes.normal, tangent: x2.vertexAttributes.tangent, color: h.color, uv: h.uv }) };
}
function X(t5) {
  return t5?.resolveFile ? { busy: false, request: async (r8, o6, n6) => {
    const s = t5.resolveFile(r8), a2 = o6 === "image" ? "image" : o6 === "binary" ? "array-buffer" : "json";
    return (await U(s, { responseType: a2, signal: r(n6) ? n6.signal : null })).data;
  } } : null;
}
function Y(t5, e5) {
  if (t(t5))
    return "-";
  const o6 = t5.typedBuffer;
  return `${r2(e5, o6.buffer, () => e5.size)}/${o6.byteOffset}/${o6.byteLength}`;
}
function Z(t5) {
  return r(t5) ? t5.toString() : "-";
}
function tt(t5) {
  let e5 = 0;
  const o6 = { color: false, tangent: false, normal: false, texCoord0: false }, n6 = new Map(), s = new Map(), i3 = [];
  for (const a2 of t5.parts) {
    const { attributes: { position: t6, normal: c4, color: l2, tangent: u2, texCoord0: f4 } } = a2, m2 = `
      ${Y(t6, n6)}/
      ${Y(c4, n6)}/
      ${Y(l2, n6)}/
      ${Y(u2, n6)}/
      ${Y(f4, n6)}/
      ${Z(a2.transform)}
    `;
    let p2 = false;
    const d2 = r2(s, m2, () => (p2 = true, { start: e5, length: t6.count }));
    p2 && (e5 += t6.count), c4 && (o6.normal = true), l2 && (o6.color = true), u2 && (o6.tangent = true), f4 && (o6.texCoord0 = true), i3.push({ gltf: a2, writeVertices: p2, region: d2 });
  }
  return { vertexAttributes: { position: r7(T, e5), normal: o6.normal ? r7(i, e5) : null, tangent: o6.tangent ? r7(c, e5) : null, color: o6.color ? r7(x, e5) : null, texCoord0: o6.texCoord0 ? r7(u, e5) : null }, parts: i3, components: [] };
}
function et(t5) {
  return new m({ data: t5.data, wrap: at(t5.parameters.wrap) });
}
function rt(e5, r8) {
  const o6 = new l(ut(e5.color, e5.opacity)), i3 = e5.emissiveFactor ? new l(ft(e5.emissiveFactor)) : null;
  return new c2({ color: o6, colorTexture: e(o(e5.textureColor, (t5) => r8.get(t5))), normalTexture: e(o(e5.textureNormal, (t5) => r8.get(t5))), emissiveColor: i3, emissiveTexture: e(o(e5.textureEmissive, (t5) => r8.get(t5))), occlusionTexture: e(o(e5.textureOcclusion, (t5) => r8.get(t5))), alphaMode: it(e5.alphaMode), alphaCutoff: e5.alphaCutoff, doubleSided: e5.doubleSided, metallic: e5.metallicFactor, roughness: e5.roughnessFactor, metallicRoughnessTexture: e(o(e5.textureMetallicRoughness, (t5) => r8.get(t5))) });
}
function ot(t5, e5, r8) {
  e5.writeVertices && nt(t5, e5);
  const o6 = e5.gltf, n6 = st(o6.indices || o6.attributes.position.count, o6.primitiveType), s = e5.region.start;
  if (s)
    for (let i3 = 0; i3 < n6.length; i3++)
      n6[i3] += s;
  t5.components.push(new f2({ faces: n6, material: r8.get(o6.material), trustSourceNormals: true }));
}
function nt(t5, e5) {
  const { position: r8, normal: n6, tangent: s, color: a2, texCoord0: u2 } = t5.vertexAttributes, f4 = e5.region.start, { attributes: m2, transform: p2 } = e5.gltf, d2 = m2.position.count;
  if (t2(r8.slice(f4, d2), m2.position, p2), r(m2.normal) && r(n6)) {
    const t6 = j(e2(), p2), e6 = n6.slice(f4, d2);
    r5(e6, m2.normal, t6), w(t6) && o2(e6, e6);
  } else
    r(n6) && t3(n6, 0, 0, 1, { dstIndex: f4, count: d2 });
  if (r(m2.tangent) && r(s)) {
    const t6 = j(e2(), p2), e6 = s.slice(f4, d2);
    r6(e6, m2.tangent, t6), w(t6) && f3(e6, e6);
  } else
    r(s) && t4(s, 0, 0, 1, 1, { dstIndex: f4, count: d2 });
  if (r(m2.texCoord0) && r(u2) ? n3(u2.slice(f4, d2), m2.texCoord0) : r(u2) && d(u2, 0, 0, { dstIndex: f4, count: d2 }), r(m2.color) && r(a2)) {
    const t6 = m2.color, e6 = a2.slice(f4, d2);
    if (t6.elementCount === 4)
      t6 instanceof c ? o3(e6, t6, 255) : t6 instanceof x ? e4(e6, t6) : t6 instanceof L && n2(e6, t6, 8);
    else {
      t4(e6, 255, 255, 255, 255);
      const r9 = O.fromTypedArray(e6.typedBuffer, e6.typedBufferStride);
      t6 instanceof i ? f(r9, t6, 255) : t6 instanceof O ? e3(r9, t6) : t6 instanceof E && n(r9, t6, 8);
    }
  } else
    r(a2) && t4(a2.slice(f4, d2), 255, 255, 255, 255);
}
function st(t5, e5) {
  switch (e5) {
    case E2.TRIANGLES:
      return n5(t5, a);
    case E2.TRIANGLE_STRIP:
      return o4(t5);
    case E2.TRIANGLE_FAN:
      return i2(t5);
  }
}
function it(t5) {
  switch (t5) {
    case "OPAQUE":
      return "opaque";
    case "MASK":
      return "mask";
    case "BLEND":
      return "blend";
  }
}
function at(t5) {
  return { horizontal: ct(t5.s), vertical: ct(t5.t) };
}
function ct(t5) {
  switch (t5) {
    case D.CLAMP_TO_EDGE:
      return "clamp";
    case D.MIRRORED_REPEAT:
      return "mirror";
    case D.REPEAT:
      return "repeat";
  }
}
function lt(t5) {
  return t5 ** (1 / o5) * 255;
}
function ut(t5, e5) {
  return r4(lt(t5[0]), lt(t5[1]), lt(t5[2]), e5);
}
function ft(t5) {
  return r3(lt(t5[0]), lt(t5[1]), lt(t5[2]));
}
export {
  W as loadGLTFMesh
};
//# sourceMappingURL=loadGLTFMesh-VTQIH4TD.js.map