From 1214a752518efae12fbeed5c7f2ab4a8ef335895 Mon Sep 17 00:00:00 2001
From: Maksims Mihejevs <max@playcanvas.com>
Date: Mon, 24 Aug 2015 15:43:36 +0100
Subject: [PATCH] fix: texture/cubemap patch data can be optional

---
 CHANGES.md                         |  5 +++++
 src/resources/resources_cubemap.js |  8 ++++----
 src/resources/resources_texture.js | 12 ++++++------
 3 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/CHANGES.md b/CHANGES.md
index 61d2ae1d09e..ed54dd0f04d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,10 @@
 # PlayCanvas Engine Changes
 
+### 0.173.0
+* Added tags (`pc.Tags`) interface to pc.Asset
+* Added findByTag method to pc.AssetRegistry
+* [FIX] Texture and CubeMap data in patch can be optional
+
 ### 0.172.0
 * Added 'curve' script attributes
 * Added 'colorcurve' script attributes
diff --git a/src/resources/resources_cubemap.js b/src/resources/resources_cubemap.js
index 5f05bcd2b9e..120fd10c38a 100644
--- a/src/resources/resources_cubemap.js
+++ b/src/resources/resources_cubemap.js
@@ -91,18 +91,18 @@ pc.extend(pc, function () {
             if (cubemap.name !== assetCubeMap.name)
                 cubemap.name = assetCubeMap.name;
 
-            if (cubemap.rgbm !== !! assetCubeMap.data.rgbm)
+            if (assetCubeMap.hasOwnProperty('rgbm') && cubemap.rgbm !== !! assetCubeMap.data.rgbm)
                 cubemap.rgbm = !! assetCubeMap.data.rgbm;
 
             cubemap.fixCubemapSeams = !! assetCubeMap._dds;
 
-            if (cubemap.minFilter !== assetCubeMap.data.minFilter)
+            if (assetCubeMap.hasOwnProperty('minFilter') && cubemap.minFilter !== assetCubeMap.data.minFilter)
                 cubemap.minFilter = assetCubeMap.data.minFilter;
 
-            if (cubemap.magFilter !== assetCubeMap.data.magFilter)
+            if (assetCubeMap.hasOwnProperty('magFilter') && cubemap.magFilter !== assetCubeMap.data.magFilter)
                 cubemap.magFilter = assetCubeMap.data.magFilter;
 
-            if (cubemap.anisotropy !== assetCubeMap.data.anisotropy)
+            if (assetCubeMap.hasOwnProperty('anisotropy') && cubemap.anisotropy !== assetCubeMap.data.anisotropy)
                 cubemap.anisotropy = assetCubeMap.data.anisotropy;
 
             if (cubemap.addressU !== pc.ADDRESS_CLAMP_TO_EDGE)
diff --git a/src/resources/resources_texture.js b/src/resources/resources_texture.js
index c17c2cc4d0a..5421272b458 100644
--- a/src/resources/resources_texture.js
+++ b/src/resources/resources_texture.js
@@ -226,22 +226,22 @@ pc.extend(pc, function () {
             if (texture.name !== asset.name)
                 texture.name = asset.name;
 
-            if (asset.data.minfilter && texture.minFilter !== JSON_FILTER_MODE[asset.data.minfilter])
+            if (asset.data.hasOwnProperty('minfilter') && texture.minFilter !== JSON_FILTER_MODE[asset.data.minfilter])
                 texture.minFilter = JSON_FILTER_MODE[asset.data.minfilter];
 
-            if (asset.data.magfilter && texture.magFilter !== JSON_FILTER_MODE[asset.data.magfilter])
+            if (asset.data.hasOwnProperty('magfilter') && texture.magFilter !== JSON_FILTER_MODE[asset.data.magfilter])
                 texture.magFilter = JSON_FILTER_MODE[asset.data.magfilter];
 
-            if (asset.data.addressu && texture.addressU !== JSON_ADDRESS_MODE[asset.data.addressu])
+            if (asset.data.hasOwnProperty('addressu') && texture.addressU !== JSON_ADDRESS_MODE[asset.data.addressu])
                 texture.addressU = JSON_ADDRESS_MODE[asset.data.addressu];
 
-            if (asset.data.addressv && texture.addressV !== JSON_ADDRESS_MODE[asset.data.addressv])
+            if (asset.data.hasOwnProperty('addressv') && texture.addressV !== JSON_ADDRESS_MODE[asset.data.addressv])
                 texture.addressV = JSON_ADDRESS_MODE[asset.data.addressv];
 
-            if (texture.anisotropy !== asset.data.anisotropy)
+            if (asset.data.hasOwnProperty('anisotropy') && texture.anisotropy !== asset.data.anisotropy)
                 texture.anisotropy = asset.data.anisotropy;
 
-            if (texture.rgbm !== !! asset.data.rgbm)
+            if (asset.data.hasOwnProperty('rgbm') && texture.rgbm !== !! asset.data.rgbm)
                 texture.rgbm = !! asset.data.rgbm;
         }
     };