Layout editor: table dimensions — orange outline, cm labels, Table panel

public/admin/layout.html

@@ -39,6 +39,7 @@ app.innerHTML = `${nav('layout')}
   <button data-add="building">+ Building</button>
   <button data-add="spawn">+ Spawn</button>
   <button data-add="path">+ Path</button>
+  <button id="tableBtn">Table…</button>
   <button id="topView">Top view</button>
   <button onclick="location.href='/admin/plan.html'">Print plan ↗</button>
   <span style="flex:1"></span>
@@ -58,6 +59,7 @@ app.innerHTML = `${nav('layout')}
 
 let scene = await api('/api/scene');
 scene.anchors ||= []; scene.buildings ||= []; scene.spawns ||= []; scene.paths ||= [];
+scene.table = Object.assign({ width: 120, depth: 100, offsetX: 0, offsetZ: 0, show: true }, scene.table || {});
 
 // ---------- three.js setup ----------
 const cvs = document.getElementById('gl');
@@ -108,8 +110,38 @@ const matSpawn = new THREE.MeshStandardMaterial({ color: 0xb57f0b });
 const matPath = new THREE.LineBasicMaterial({ color: 0xc77dff });
 const matPathPt = new THREE.MeshStandardMaterial({ color: 0xc77dff });
 
+const tableGroup = new THREE.Group(); scn.add(tableGroup);
+function buildTable() {
+  tableGroup.clear();
+  const t = scene.table;
+  if (!t || t.show === false) return;
+  const x0 = t.offsetX || 0, z0 = t.offsetZ || 0, w = t.width, d = t.depth;
+  // surface tint
+  const top = new THREE.Mesh(new THREE.PlaneGeometry(w, d),
+    new THREE.MeshBasicMaterial({ color: 0xffb84d, transparent: true, opacity: 0.07, side: THREE.DoubleSide, depthWrite: false }));
+  top.rotation.x = -Math.PI / 2;
+  top.position.set(x0 + w / 2, -0.2, z0 + d / 2);
+  tableGroup.add(top);
+  // edge outline
+  const pts = [[x0, z0], [x0 + w, z0], [x0 + w, z0 + d], [x0, z0 + d], [x0, z0]]
+    .map(([x, z]) => new THREE.Vector3(x, 0.3, z));
+  tableGroup.add(new THREE.Line(new THREE.BufferGeometry().setFromPoints(pts),
+    new THREE.LineBasicMaterial({ color: 0xffb84d })));
+  // corner posts
+  for (const [x, z] of [[x0, z0], [x0 + w, z0], [x0 + w, z0 + d], [x0, z0 + d]]) {
+    const c = new THREE.Mesh(new THREE.CylinderGeometry(1, 1, 3, 8),
+      new THREE.MeshBasicMaterial({ color: 0xffb84d }));
+    c.position.set(x, 1.5, z);
+    tableGroup.add(c);
+  }
+  // dimension labels: width along the front (S) edge, depth along the left (W) edge
+  const wl = textSprite(`${w} cm`, '#ffb84d'); wl.position.set(x0 + w / 2, 5, z0 - 7); tableGroup.add(wl);
+  const dl2 = textSprite(`${d} cm`, '#ffb84d'); dl2.position.set(x0 - 9, 5, z0 + d / 2); tableGroup.add(dl2);
+}
+
 function buildAll() {
   gizmo.detach();
+  buildTable();
   objRoot.clear();
   scene.anchors.forEach((a, i) => {
     const size = (a.sizeMM || 60) / 10; // cm
@@ -176,12 +208,14 @@ function buildAll() {
 }
 
 function dataOf(s) {
+  if (s.kind === 'table') return scene.table;
   if (s.kind === 'pathpoint') return scene.paths[s.index];
   return ({ anchor: scene.anchors, building: scene.buildings, spawn: scene.spawns })[s.kind][s.index];
 }
 
 function reselect() {
   if (!sel) return;
+  if (sel.kind === 'table') return;
   const o = objRoot.children.find(c => c.userData.kind === sel.kind && c.userData.index === sel.index && (sel.sub === undefined || c.userData.sub === sel.sub));
   if (o) { sel.obj3d = o; gizmo.attach(o); } else { sel = null; gizmo.detach(); }
 }
@@ -264,6 +298,20 @@ function panel(rebuild = true) {
   if (!rebuild) return;
   const o = sel && dataOf(sel);
   if (!o) { side.innerHTML = '<em style="opacity:.6">Tap an object to select it, then drag the gizmo arrows (X red, Y green = height, Z blue). All values in cm.</em>'; return; }
+  if (sel.kind === 'table') {
+    let h = `<h2>table dimensions</h2>`;
+    h += field('width (cm)', o.width, v => o.width = v, { step: 1 });
+    h += field('depth (cm)', o.depth, v => o.depth = v, { step: 1 });
+    h += field('offset x', o.offsetX || 0, v => o.offsetX = v, { step: 1 });
+    h += field('offset z', o.offsetZ || 0, v => o.offsetZ = v, { step: 1 });
+    h += field('show', o.show === false ? 'no' : 'yes', v => o.show = v === 'yes', { select: ['yes', 'no'] });
+    h += `<p class="badge">Orange outline = your physical table, measured from the world origin
+      (front-left corner, N = +Z = back). Width runs W→E, depth runs S→N. Offsets shift the
+      table if your origin isn't at its corner. Saved with the layout; also printed on the
+      placement plan so you can sanity-check everything fits before taping down.</p>`;
+    side.innerHTML = h;
+    return;
+  }
   let h = `<h2>${sel.kind} ${sel.index}</h2>`;
   if (sel.kind === 'anchor') {
     h += field('marker ID', o.markerId, v => o.markerId = v | 0, { step: 1 });
@@ -335,6 +383,9 @@ function wirePathExtras() {
 }
 
 // ---------- toolbar ----------
+document.getElementById('tableBtn').onclick = () => {
+  sel = { kind: 'table' }; gizmo.detach(); panel();
+};
 document.getElementById('topView').onclick = () => {
   cam.position.set(orbit.target.x, 320, orbit.target.z + 0.01);
   cam.lookAt(orbit.target);