Merge remote-tracking branch 'origin/master' into HEAD

code/Common/SceneCombiner.cpp

@@ -406,11 +406,25 @@ void SceneCombiner::MergeScenes(aiScene **_dest, aiScene *master, std::vector<At
                             // Check whether this texture is an embedded texture.
                             // In this case the property looks like this: *<n>,
                             // where n is the index of the texture.
-                            aiString &s = *((aiString *)prop->mData);
+                            // Copy here because we overwrite the string data in-place and the buffer inside of aiString
+                            // will be a lie if we just reinterpret from prop->mData. The size of mData is not guaranteed to be
+                            // MAXLEN in size.
+                            aiString s(*(aiString *)prop->mData);
                             if ('*' == s.data[0]) {
                                 // Offset the index and write it back ..
                                 const unsigned int idx = strtoul10(&s.data[1]) + offset[n];
-                                ASSIMP_itoa10(&s.data[1], sizeof(s.data) - 1, idx);
+                                const unsigned int oldLen = s.length;
+
+                                s.length = 1 + ASSIMP_itoa10(&s.data[1], sizeof(s.data) - 1, idx);
+
+                                // The string changed in size so we need to reallocate the buffer for the property.
+                                if (oldLen < s.length) {
+                                    prop->mDataLength += s.length - oldLen;
+                                    delete[] prop->mData;
+                                    prop->mData = new char[prop->mDataLength];
+                                }
+
+                                memcpy(prop->mData, static_cast<void*>(&s), prop->mDataLength);
                             }
                         }
 

code/Common/material.cpp

@@ -47,10 +47,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <assimp/material.h>
 
 // -------------------------------------------------------------------------------
-const char* TextureTypeToString(aiTextureType in)
-{
-    switch (in)
-    {
+const char *TextureTypeToString(aiTextureType in) {
+    switch (in) {
     case aiTextureType_NONE:
         return "n/a";
     case aiTextureType_DIFFUSE:
@@ -87,6 +85,12 @@ const char* TextureTypeToString(aiTextureType in)
         return "DiffuseRoughness";
     case aiTextureType_AMBIENT_OCCLUSION:
         return "AmbientOcclusion";
+    case aiTextureType_SHEEN:
+        return "Sheen";
+    case aiTextureType_CLEARCOAT:
+        return "Clearcoat";
+    case aiTextureType_TRANSMISSION:
+        return "Transmission";
     case aiTextureType_UNKNOWN:
         return "Unknown";
     default: