From d5968f7cb8e674655abac353222c2776aa8f38c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9C=D0=98=D0=9D?= <maksimivankov26@yandex.ru>
Date: Sun, 31 May 2026 12:22:03 +0300
Subject: [PATCH] =?UTF-8?q?feat(09):=20=D1=81=D0=BE=D1=87=D0=BD=D1=8B?=
 =?UTF-8?q?=D0=B5=20=D0=BA=D1=80=D1=83=D0=B3=D0=BB=D1=8B=D0=B5=20studs=20(?=
 =?UTF-8?q?v4)=20=E2=80=94=20=D0=BF=D0=B0=D1=80=D0=B8=D1=82=D0=B5=D1=82=20?=
 =?UTF-8?q?=D1=81=D0=BE=20=D1=81=D1=82=D1=83=D0=B4=D0=B8=D0=B5=D0=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Текстура studs v4 (круглые, объём+тени, сочный цвет), URL studs_v4_*.
- PrimitiveManager: emissive 45% цвета + новые константы (GRID 4, UNIT 1).
- BlockManager/BlockTypes: studs-block на v4-текстуре, specular убран.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 src/engine/BlockManager.js     |  5 +++--
 src/engine/BlockTypes.js       |  4 ++--
 src/engine/GameRuntime.js      |  3 +++
 src/engine/PrimitiveManager.js | 15 ++++++++-------
 4 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/src/engine/BlockManager.js b/src/engine/BlockManager.js
index 8ea6e1a..37e0bd9 100644
--- a/src/engine/BlockManager.js
+++ b/src/engine/BlockManager.js
@@ -373,8 +373,9 @@ export class BlockManager {
             if (blockType.normal) {
                 try { mat.bumpTexture = new Texture(blockType.normal, this.scene); } catch (e) {}
             }
-            mat.specularColor = new Color3(0.2, 0.2, 0.2);
-            mat.specularPower = 24;
+            // Сочность (Roblox-look): почти-белая текстура × яркий vertex color,
+            // specular убран (он белит/тускнит цвет).
+            mat.specularColor = new Color3(0, 0, 0);
             mat.useVertexColors = true;
             return mat;
         }
diff --git a/src/engine/BlockTypes.js b/src/engine/BlockTypes.js
index d2762b0..75e65ee 100644
--- a/src/engine/BlockTypes.js
+++ b/src/engine/BlockTypes.js
@@ -108,8 +108,8 @@ export const BLOCK_TYPES = [
 
     // === ОКРАШИВАЕМЫЕ (задача 09) — паритет со студией ===
     cube('studs-block', 'Лего-кирпич', 'Окрашиваемые',
-        '/kubikon-assets/materials/studs_diffuse.png',
-        { colorable: true, normal: '/kubikon-assets/materials/studs_normal.png', defaultColor: '#3a7aff' }),
+        '/kubikon-assets/materials/studs_v4_diffuse.png',
+        { colorable: true, normal: '/kubikon-assets/materials/studs_v4_normal.png', defaultColor: '#3a7aff' }),
 ];
 
 /** Все доступные категории в порядке появления. */
diff --git a/src/engine/GameRuntime.js b/src/engine/GameRuntime.js
index 143d080..c376a49 100644
--- a/src/engine/GameRuntime.js
+++ b/src/engine/GameRuntime.js
@@ -2407,6 +2407,9 @@ export class GameRuntime {
                         if (data.material === 'neon') {
                             data.mesh.material.emissiveColor = c;
                         }
+                        if (data.material === 'studs') {
+                            data.mesh.material.emissiveColor = new Color3(c.r * 0.45, c.g * 0.45, c.b * 0.45);
+                        }
                     }
                 }
             } catch (e) {
diff --git a/src/engine/PrimitiveManager.js b/src/engine/PrimitiveManager.js
index 4f6ace3..2048214 100644
--- a/src/engine/PrimitiveManager.js
+++ b/src/engine/PrimitiveManager.js
@@ -34,8 +34,8 @@ import { Texture } from '@babylonjs/core/Materials/Textures/texture';
 import { getPrimitiveType } from './PrimitiveTypes';
 
 // === Материал «studs» (лего-кружки, задача 09) — паритет со студией ===
-const STUDS_DIFFUSE_URL = '/kubikon-assets/materials/studs_diffuse.png';
-const STUDS_NORMAL_URL  = '/kubikon-assets/materials/studs_normal.png';
+const STUDS_DIFFUSE_URL = '/kubikon-assets/materials/studs_v4_diffuse.png';
+const STUDS_NORMAL_URL  = '/kubikon-assets/materials/studs_v4_normal.png';
 const STUD_UNIT = 1;
 const STUDS_GRID = 4;
 const _studsTexCache = new WeakMap();
@@ -457,8 +457,8 @@ export class PrimitiveManager {
                 mat.specularColor = new Color3(0, 0, 0);
                 break;
             case 'studs': {
-                // Лего-материал (паритет со студией): серая diffuse с кружками
-                // × цвет меша + normal map. Тайлинг по размеру меша.
+                // Лего-материал (паритет со студией): почти-белая diffuse × цвет
+                // меша + normal map. emissive = доля цвета → сочность (Roblox-look).
                 const tex = _getStudsTextures(this.scene);
                 const dt = tex.diffuse.clone();
                 const nt = tex.normal.clone();
@@ -468,9 +468,10 @@ export class PrimitiveManager {
                 dt.vScale = nt.vScale = tile.v;
                 mat.diffuseTexture = dt;
                 mat.bumpTexture = nt;
-                mat.diffuseColor = Color3.FromHexString(color || '#cccccc');
-                mat.specularColor = new Color3(0.25, 0.25, 0.25);
-                mat.specularPower = 24;
+                const sc = Color3.FromHexString(color || '#cccccc');
+                mat.diffuseColor = sc;
+                mat.emissiveColor = new Color3(sc.r * 0.45, sc.g * 0.45, sc.b * 0.45);
+                mat.specularColor = new Color3(0, 0, 0);
                 break;
             }
             case 'matte':