From d86658aa1248eed891705023291527b0ac2a41eb Mon Sep 17 00:00:00 2001
From: yuanjiajia <1139393632@qq.com>
Date: Thu, 13 Jul 2023 15:32:45 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B8=B2=E6=9F=93=E6=B5=8B=E5=BC=8F=20?=
 =?UTF-8?q?=E5=BC=80=E5=8F=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/utils/MatHelper.php | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/src/utils/MatHelper.php b/src/utils/MatHelper.php
index 8f50268..40515a7 100644
--- a/src/utils/MatHelper.php
+++ b/src/utils/MatHelper.php
@@ -264,6 +264,12 @@ class MatHelper{
         $material->setInteriorIor($matOriginal->matParams->refractionIor);
         $material->setUroughness($matOriginal->matParams->roughness);
         $material->setVroughness($matOriginal->matParams->roughness);
+        if($matOriginal->matParams->isFilmEnabled === self::OPEN){
+            $material->setFilmthickness(
+                $matOriginal->matParams->filmthickness / 2
+            );
+            $material->setFilmior($matOriginal->matParams->filmIor);
+        }
 
 
         //创建一个铺贴对象,使用"uvmapping2d"类型的铺贴对象
@@ -363,6 +369,31 @@ class MatHelper{
             $material->setBumptex($normalTexture);
         }
 
+        // 加载镀膜材质纹理
+        if($matOriginal->matParams->isFilmEnabled === self::OPEN && $matOriginal->matParams->filmTexture){
+            $textureUrl = $matOriginal->matParams->filmTexture;
+            $textureSavaPath = $cacheFileDir.'/'.basename($textureUrl);
+            $textureSavaHandle = fopen($textureSavaPath, "w");
+            (new Client())->get($textureUrl, [RequestOptions::SINK => $textureSavaHandle]);
+        
+            $fileName = preg_replace('/(\.[^\.]+)$/','',basename($textureSavaPath));
+            $extension = preg_replace('/^('.$fileName.')+/','',basename($textureSavaPath));
+            // 从镀膜材质纹理中 分离 红色通道 作为 镀膜材质强度纹理
+            $filmIntensityTextureSavaPath = $cacheFileDir.'/'.$fileName.'_filmIntensity'.$extension;
+            $imagick = new Imagick($textureSavaPath);
+            $imagick->separateImageChannel(Imagick::CHANNEL_RED);
+            $imagick->setImageCompressionQuality(100);
+            $imagick->writeImage($filmIntensityTextureSavaPath);
+            $filmIntensityTexture = new ImageMap(
+                ['file' => $filmIntensityTextureSavaPath]
+            );
+            $filmIntensityTexture->gamma = 1;
+            $filmIntensityTexture->mapping = $mapping;
+            $scene->registerTexture($filmIntensityTexture);
+        
+            //TODO: 从镀膜材质纹理中 分离 绿色通道 作为 镀膜材质厚度纹理, 待后续完善
+        }
+
 
         return $material;
     }