From fa3411f87c72f249168b00e6338027512ce7e894 Mon Sep 17 00:00:00 2001
From: Yasutake Yohei <61961825+yasutakeyohei@users.noreply.github.com>
Date: Sun, 4 Oct 2026 23:39:45 +0900
Subject: bluebey-studio: 小物にベッドと布団、帽子の着脱機能を追加
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---
 public/bluebey-studio/src/main.js | 52 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to 'public/bluebey-studio/src/main.js')

diff --git a/public/bluebey-studio/src/main.js b/public/bluebey-studio/src/main.js
index 60507eb..01ee85a 100644
--- a/public/bluebey-studio/src/main.js
+++ b/public/bluebey-studio/src/main.js
@@ -12,6 +12,7 @@ import { toast } from './ui.js';
 import { History } from './history.js';
 import { createLook } from './look.js';
 import { createClipper } from './clip.js';
+import { buildHat } from './hats.js';
 import { createBackdrop, backdropStyle } from './background.js';
 import { drawCaption, layoutCaption } from './caption.js';
 import { loadFont, captionFontStack } from './textOutlines.js';
@@ -360,6 +361,53 @@ async function init() {
   const snotMeshes = snotBubble ? [...snotBubble.children] : [];
   applySnotBubble(snotBubble, state.face.eyes.snot);
 
+  // The hat rides the `master` bone like the snot bubble does: it is parented
+  // there, placed at the top of the head in that bone's local frame, and turned
+  // so it is world-aligned at rest (the bone's own rest rotation cancelled once).
+  // The character's front is +z, so the hats are modelled facing +z.
+  const hatMount = (() => {
+    const master = model.bones.find((entry) => entry.name.replace(/[.\s]/g, '').toLowerCase() === 'master');
+    if (!master) return null;
+    model.root.updateMatrixWorld(true);
+    const bone = master.bone;
+    const group = new THREE.Group();
+    group.name = 'hat';
+    group.position.copy(bone.worldToLocal(new THREE.Vector3(0, model.bounds.max.y - 0.06, 0)));
+    group.quaternion.copy(bone.getWorldQuaternion(new THREE.Quaternion()).invert());
+    bone.add(group);
+    return group;
+  })();
+
+  let hatKindCurrent = null;
+  let hatObject = null;
+  const hatMeshes = [];
+  /** Set once the outline pass exists, so a hat change can refresh the exclude set. */
+  let refreshOutlineExclusion = null;
+  function applyHat(kind) {
+    if (kind === hatKindCurrent) return;
+    hatKindCurrent = kind;
+    if (!hatMount) return;
+    if (hatObject) {
+      hatMount.remove(hatObject);
+      hatObject.traverse((o) => {
+        o.geometry?.dispose();
+        if (Array.isArray(o.material)) o.material.forEach((m) => m.dispose());
+        else o.material?.dispose();
+      });
+      hatObject = null;
+    }
+    hatMeshes.length = 0;
+    const built = buildHat(kind);
+    if (built) {
+      hatMount.add(built);
+      hatObject = built;
+      built.traverse((o) => { if (o.isMesh) hatMeshes.push(o); });
+    }
+    refreshOutlineExclusion?.();
+    app.needsRender = true;
+  }
+  applyHat(state.face.hat?.kind ?? 'none');
+
   const halfHeight = model.size.y * 0.5;
   view.frame(model.size, halfHeight);
 
@@ -1186,10 +1234,12 @@ async function init() {
       model.parts.mouthMesh,
       ...(model.parts.hairMesh ? [model.parts.hairMesh] : []),
       ...snotMeshes,
+      ...hatMeshes,
       ...styles.outlineMeshes,
     ];
   }
   outline.exclude(outlineExclusion());
+  refreshOutlineExclusion = () => outline.exclude(outlineExclusion());
   // The wall is *not* excluded: it is handed to the pass as an occluder, so the
   // labels behind it are culled as well. Excluded, the leaves and the nose
   // buried in the wall kept their outlines, because the labels are read before
@@ -1383,6 +1433,8 @@ async function init() {
     look.contact.position.x = container.position.x;
     look.contact.position.z = container.position.z;
 
+    applyHat(state.face.hat?.kind ?? 'none');
+
     if (snotBubble) {
       const snot = state.face.eyes.snot;
       const sig = `${snot.enabled}|${snot.size}|${snot.offsetX}|${snot.offsetY}|${snot.offsetZ}|${snot.color}`;
-- 
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