import {
  d as d2,
  e as e4,
  f as f2,
  f2 as f3,
  i as i2,
  m as m2,
  n as n2,
  n2 as n3,
  n3 as n4,
  o as o3,
  o2 as o4,
  o3 as o5,
  o4 as o6,
  r as r6,
  r2 as r7,
  t as t4
} from "./chunk-ORLXOWB6.js";
import {
  g as g2,
  p
} from "./chunk-SFI4OJO6.js";
import {
  c as c2,
  m
} from "./chunk-UE4KC4K5.js";
import "./chunk-X6GHUY4U.js";
import {
  D,
  E as E2
} from "./chunk-3OFVLRSL.js";
import {
  _
} from "./chunk-BXBBOCLV.js";
import {
  e2 as e3,
  f,
  n,
  o as o2,
  r as r5,
  t as t2,
  t2 as t3
} from "./chunk-IRQMHCT3.js";
import "./chunk-W3XAGTM6.js";
import "./chunk-44FMXGSC.js";
import "./chunk-XFDO4CMR.js";
import {
  e as e2
} from "./chunk-GHN7C53L.js";
import {
  E,
  L,
  O,
  T,
  c,
  i,
  u,
  x
} from "./chunk-HIELTLML.js";
import "./chunk-6FXLJAMI.js";
import {
  g
} from "./chunk-O3JQY77G.js";
import "./chunk-E3G7BRZB.js";
import "./chunk-P24XEEHY.js";
import "./chunk-SAJAEMIJ.js";
import "./chunk-GGGVIS2U.js";
import {
  r as r4
} from "./chunk-C7742RNZ.js";
import "./chunk-4ONPMX2F.js";
import "./chunk-VGWC3IKZ.js";
import "./chunk-2H5MD622.js";
import "./chunk-3RSFVUKZ.js";
import "./chunk-O6VYMEIX.js";
import {
  l
} from "./chunk-X4SA4ELJ.js";
import "./chunk-2ZSOO377.js";
import "./chunk-ZLNEXZAN.js";
import "./chunk-ZYRIJWLX.js";
import {
  d
} from "./chunk-RYY6632W.js";
import "./chunk-DW42UVIT.js";
import "./chunk-YAEIHDJH.js";
import {
  r as r3
} from "./chunk-TJNOJH33.js";
import "./chunk-OSHI574D.js";
import "./chunk-VCH45Q2I.js";
import "./chunk-GSSTTHIT.js";
import "./chunk-HZRKBTHJ.js";
import {
  U
} from "./chunk-DVUG3KID.js";
import "./chunk-FWSQEIAR.js";
import "./chunk-VEGAOVMY.js";
import "./chunk-6T6G6LCQ.js";
import "./chunk-YEJL5NEF.js";
import "./chunk-PQFTYGF5.js";
import "./chunk-2Z2TG5CU.js";
import "./chunk-6KZ2LTDA.js";
import "./chunk-U2XHEJM7.js";
import {
  r as r2
} from "./chunk-SQOPWYIT.js";
import "./chunk-V6P2MAQQ.js";
import "./chunk-E5O6P5I2.js";
import "./chunk-SPWQ3AWG.js";
import "./chunk-2TIUKVZN.js";
import {
  e,
  o,
  r,
  t
} from "./chunk-YXWMMD76.js";
import "./chunk-S5KM4IGW.js";

// node_modules/@arcgis/core/geometry/support/meshUtils/loadGLTFMesh.js
async function W(e5, t5, r8) {
  const o7 = new n4(X(r8)), s = (await m2(o7, t5, r8, true)).model, i3 = s.lods.shift(), a = /* @__PURE__ */ new Map(), c3 = /* @__PURE__ */ new Map();
  s.textures.forEach((e6, t6) => a.set(t6, te(e6))), s.materials.forEach((e6, t6) => c3.set(t6, re(e6, a)));
  const u2 = ee(i3);
  for (const n5 of u2.parts)
    oe(u2, n5, c3);
  const { position: l2, normal: f4, tangent: m3, color: p2, texCoord0: d3 } = u2.vertexAttributes, x2 = { position: l2.typedBuffer, normal: r(f4) ? f4.typedBuffer : null, tangent: r(m3) ? m3.typedBuffer : null, uv: r(d3) ? d3.typedBuffer : null, color: r(p2) ? p2.typedBuffer : null }, T2 = _(x2, e5, r8);
  return { transform: T2.transform, components: u2.components, spatialReference: e5.spatialReference, vertexAttributes: new p({ position: T2.vertexAttributes.position, normal: T2.vertexAttributes.normal, tangent: T2.vertexAttributes.tangent, color: x2.color, uv: x2.uv }) };
}
function X(e5) {
  const r8 = e5 == null ? void 0 : e5.resolveFile;
  return r8 ? { busy: false, request: async (e6, o7, s) => {
    const i3 = r8(e6), a = "image" === o7 ? "image" : "binary" === o7 ? "array-buffer" : "json";
    return (await U(i3, { responseType: a, signal: r(s) ? s.signal : null })).data;
  } } : null;
}
function Y(e5, t5) {
  if (t(e5))
    return "-";
  const o7 = e5.typedBuffer;
  return `${r2(t5, o7.buffer, () => t5.size)}/${o7.byteOffset}/${o7.byteLength}`;
}
function Z(e5) {
  return r(e5) ? e5.toString() : "-";
}
function ee(e5) {
  let t5 = 0;
  const has = { color: false, tangent: false, normal: false, texCoord0: false }, o7 = /* @__PURE__ */ new Map(), n5 = /* @__PURE__ */ new Map(), s = [];
  for (const i3 of e5.parts) {
    const { attributes: { position: e6, normal: a, color: c3, tangent: u2, texCoord0: l2 } } = i3, f4 = `
      ${Y(e6, o7)}/
      ${Y(a, o7)}/
      ${Y(c3, o7)}/
      ${Y(u2, o7)}/
      ${Y(l2, o7)}/
      ${Z(i3.transform)}
    `;
    let m3 = false;
    const p2 = r2(n5, f4, () => (m3 = true, { start: t5, length: e6.count }));
    m3 && (t5 += e6.count), a && (has.normal = true), c3 && (has.color = true), u2 && (has.tangent = true), l2 && (has.texCoord0 = true), s.push({ gltf: i3, writeVertices: m3, region: p2 });
  }
  return { vertexAttributes: { position: r7(T, t5), normal: has.normal ? r7(i, t5) : null, tangent: has.tangent ? r7(c, t5) : null, color: has.color ? r7(x, t5) : null, texCoord0: has.texCoord0 ? r7(u, t5) : null }, parts: s, components: [] };
}
function te(e5) {
  return new m({ data: e5.data, wrap: ae(e5.parameters.wrap) });
}
function re(t5, r8) {
  const o7 = new l(le(t5.color, t5.opacity)), n5 = t5.emissiveFactor ? new l(fe(t5.emissiveFactor)) : null;
  return new c2({ color: o7, colorTexture: e(o(t5.textureColor, (e5) => r8.get(e5))), normalTexture: e(o(t5.textureNormal, (e5) => r8.get(e5))), emissiveColor: n5, emissiveTexture: e(o(t5.textureEmissive, (e5) => r8.get(e5))), occlusionTexture: e(o(t5.textureOcclusion, (e5) => r8.get(e5))), alphaMode: ie(t5.alphaMode), alphaCutoff: t5.alphaCutoff, doubleSided: t5.doubleSided, metallic: t5.metallicFactor, roughness: t5.roughnessFactor, metallicRoughnessTexture: e(o(t5.textureMetallicRoughness, (e5) => r8.get(e5))), colorTextureTransform: t5.colorTextureTransform, normalTextureTransform: t5.normalTextureTransform, occlusionTextureTransform: t5.occlusionTextureTransform, emissiveTextureTransform: t5.emissiveTextureTransform, metallicRoughnessTextureTransform: t5.metallicRoughnessTextureTransform });
}
function oe(e5, t5, r8) {
  t5.writeVertices && ne(e5, t5);
  const o7 = t5.gltf, n5 = se(o7.indices || o7.attributes.position.count, o7.primitiveType), s = t5.region.start;
  if (s)
    for (let i3 = 0; i3 < n5.length; i3++)
      n5[i3] += s;
  e5.components.push(new g2({ faces: n5, material: r8.get(o7.material), trustSourceNormals: true }));
}
function ne(e5, t5) {
  const { position: r8, normal: s, tangent: i3, color: a, texCoord0: l2 } = e5.vertexAttributes, f4 = t5.region.start, { attributes: m3, transform: p2 } = t5.gltf, d3 = m3.position.count;
  if (t2(r8.slice(f4, d3), m3.position, p2), r(m3.normal) && r(s)) {
    const e6 = g(e2(), p2), t6 = s.slice(f4, d3);
    r5(t6, m3.normal, e6), d(e6) && o2(t6, t6);
  } else
    r(s) && t3(s, 0, 0, 1, { dstIndex: f4, count: d3 });
  if (r(m3.tangent) && r(i3)) {
    const e6 = g(e2(), p2), t6 = i3.slice(f4, d3);
    r6(t6, m3.tangent, e6), d(e6) && f2(t6, t6);
  } else
    r(i3) && t4(i3, 0, 0, 1, 1, { dstIndex: f4, count: d3 });
  if (r(m3.texCoord0) && r(l2) ? n3(l2.slice(f4, d3), m3.texCoord0) : r(l2) && d2(l2, 0, 0, { dstIndex: f4, count: d3 }), r(m3.color) && r(a)) {
    const e6 = m3.color, t6 = a.slice(f4, d3);
    if (4 === e6.elementCount)
      e6 instanceof c ? o3(t6, e6, 255) : e6 instanceof x ? e4(t6, e6) : e6 instanceof L && n2(t6, e6, 8);
    else {
      t4(t6, 255, 255, 255, 255);
      const r9 = O.fromTypedArray(t6.typedBuffer, t6.typedBufferStride);
      e6 instanceof i ? f(r9, e6, 255) : e6 instanceof O ? e3(r9, e6) : e6 instanceof E && n(r9, e6, 8);
    }
  } else
    r(a) && t4(a.slice(f4, d3), 255, 255, 255, 255);
}
function se(e5, t5) {
  switch (t5) {
    case E2.TRIANGLES:
      return o5(e5, o4);
    case E2.TRIANGLE_STRIP:
      return f3(e5);
    case E2.TRIANGLE_FAN:
      return i2(e5);
  }
}
function ie(e5) {
  switch (e5) {
    case "OPAQUE":
      return "opaque";
    case "MASK":
      return "mask";
    case "BLEND":
      return "blend";
  }
}
function ae(e5) {
  return { horizontal: ce(e5.s), vertical: ce(e5.t) };
}
function ce(e5) {
  switch (e5) {
    case D.CLAMP_TO_EDGE:
      return "clamp";
    case D.MIRRORED_REPEAT:
      return "mirror";
    case D.REPEAT:
      return "repeat";
  }
}
function ue(e5) {
  return e5 ** (1 / o6) * 255;
}
function le(e5, t5) {
  return r4(ue(e5[0]), ue(e5[1]), ue(e5[2]), t5);
}
function fe(e5) {
  return r3(ue(e5[0]), ue(e5[1]), ue(e5[2]));
}
export {
  W as loadGLTFMesh
};
//# sourceMappingURL=loadGLTFMesh-WBYY2AJJ.js.map