feat(camping): three-tier ore detector with private-chest faraday cage

New basic/improved/advanced detectors (8/16/32 block range). Aim and
right-click to ping the nearest ore on the view ray; pitch-coded sound
and action-bar text show distance and ore type. Any ore within 4 blocks
of a silverlabs:private_chest is hidden — chests act as faraday cages
so claimed bases stay private from neighbours' detectors.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

camping-supplies-addon/camping_supplies_BP/scripts/main.js

@@ -703,6 +703,116 @@ function dismantleHammockAt(loc, dimId, player) {
   if (player) player.sendMessage("§7[Camping] Hammock taken down.");
 }
 
+// ─── Ore Detector ───────────────────────────────────────────
+// Three tiered items share one scan handler. Tier → max scan range.
+// Faraday: any ore within 4 blocks of a silverlabs:private_chest is hidden
+// (mirrors the source DetectOre faraday-cage mechanic, but built into private chests).
+const DETECTOR_RANGES = {
+  "silverlabs:ore_detector_basic": 8,
+  "silverlabs:ore_detector_improved": 16,
+  "silverlabs:ore_detector_advanced": 32,
+};
+const PRIVATE_CHEST_ID = "silverlabs:private_chest";
+const FARADAY_RADIUS = 4; // 9³ cube around each ore candidate
+
+const ORE_IDS = new Set([
+  "minecraft:coal_ore", "minecraft:deepslate_coal_ore",
+  "minecraft:iron_ore", "minecraft:deepslate_iron_ore",
+  "minecraft:copper_ore", "minecraft:deepslate_copper_ore",
+  "minecraft:gold_ore", "minecraft:deepslate_gold_ore", "minecraft:nether_gold_ore",
+  "minecraft:redstone_ore", "minecraft:deepslate_redstone_ore",
+  "minecraft:lit_redstone_ore", "minecraft:lit_deepslate_redstone_ore",
+  "minecraft:lapis_ore", "minecraft:deepslate_lapis_ore",
+  "minecraft:emerald_ore", "minecraft:deepslate_emerald_ore",
+  "minecraft:diamond_ore", "minecraft:deepslate_diamond_ore",
+  "minecraft:nether_quartz_ore",
+  "minecraft:ancient_debris",
+]);
+
+function prettyOreName(typeId) {
+  const bare = typeId.replace(/^minecraft:/, "")
+    .replace(/^lit_/, "")
+    .replace(/^deepslate_/, "Deepslate ")
+    .replace(/^nether_/, "Nether ");
+  return bare.split("_").map((w) => w.charAt(0).toUpperCase() + w.slice(1)).join(" ");
+}
+
+function isPrivateChestNearby(dim, cx, cy, cz) {
+  for (let dx = -FARADAY_RADIUS; dx <= FARADAY_RADIUS; dx++) {
+    for (let dy = -FARADAY_RADIUS; dy <= FARADAY_RADIUS; dy++) {
+      for (let dz = -FARADAY_RADIUS; dz <= FARADAY_RADIUS; dz++) {
+        const b = dim.getBlock({ x: cx + dx, y: cy + dy, z: cz + dz });
+        if (b && b.typeId === PRIVATE_CHEST_ID) return true;
+      }
+    }
+  }
+  return false;
+}
+
+function runOreScan(player, range) {
+  const dim = player.dimension;
+  const head = player.getHeadLocation();
+  const dir = player.getViewDirection();
+
+  // Walk integer-block steps along the view ray. Resolution 0.5 blocks
+  // catches ores the cardinal-aligned steps would skip on diagonals.
+  const stepCount = Math.floor(range * 2);
+  const seen = new Set();
+  let foundOre = null;
+  let foundDist = 0;
+
+  for (let i = 1; i <= stepCount; i++) {
+    const t = i * 0.5;
+    const px = head.x + dir.x * t;
+    const py = head.y + dir.y * t;
+    const pz = head.z + dir.z * t;
+    const bx = Math.floor(px);
+    const by = Math.floor(py);
+    const bz = Math.floor(pz);
+    const key = `${bx},${by},${bz}`;
+    if (seen.has(key)) continue;
+    seen.add(key);
+
+    let block;
+    try { block = dim.getBlock({ x: bx, y: by, z: bz }); } catch (_) { continue; }
+    if (!block) continue;
+
+    if (ORE_IDS.has(block.typeId)) {
+      if (isPrivateChestNearby(dim, bx, by, bz)) continue; // faraday
+      foundOre = block.typeId;
+      foundDist = t;
+      break;
+    }
+  }
+
+  if (foundOre) {
+    const distRounded = Math.round(foundDist * 10) / 10;
+    const pitch = Math.max(0.8, Math.min(2.0, 2.0 - (foundDist / range)));
+    try {
+      player.playSound("random.orb", { pitch, volume: 0.7 });
+    } catch (_) {}
+    try {
+      player.onScreenDisplay.setActionBar(`§a● §f${prettyOreName(foundOre)} §7at §b${distRounded}m`);
+    } catch (_) {}
+  } else {
+    try {
+      player.playSound("note.bass", { pitch: 0.7, volume: 0.5 });
+    } catch (_) {}
+    try {
+      player.onScreenDisplay.setActionBar(`§7○ No ores within §f${range}m`);
+    } catch (_) {}
+  }
+}
+
+world.afterEvents.itemUse.subscribe((event) => {
+  const player = event.source;
+  const stack = event.itemStack;
+  if (!stack || !player) return;
+  const range = DETECTOR_RANGES[stack.typeId];
+  if (!range) return;
+  system.run(() => runOreScan(player, range));
+});
+
 // ─── Boot ───────────────────────────────────────────────────
 system.run(() => {
   loadState();