Method setPreviewImage

Engine/source/T3D/assets/MaterialAsset.cpp:639–669

}

void GuiInspectorTypeMaterialAssetPtr::setPreviewImage(StringTableEntry assetId)
{
   //if what we're working with isn't even a valid asset, don't present like we found a good one
   if (!AssetDatabase.isDeclaredAsset(assetId))
   {
      mPreviewImage->_setBitmap(StringTable->EmptyString());
      return;
   }

   String matPreviewAssetId = String(assetId) + "_PreviewImage";
   matPreviewAssetId.replace(":", "_");
   matPreviewAssetId = "ToolsModule:" + matPreviewAssetId;
   if (AssetDatabase.isDeclaredAsset(matPreviewAssetId.c_str()))
   {
      mPreviewImage->setBitmap(StringTable->insert(matPreviewAssetId.c_str()));
   }
   else
   {
      if (AssetDatabase.isDeclaredAsset(assetId))
      {
         MaterialAsset* matAsset = AssetDatabase.acquireAsset<MaterialAsset>(assetId);
         if (matAsset && matAsset->getMaterialDefinition())
         {
            mPreviewImage->_setBitmap(matAsset->getMaterialDefinition()->mDiffuseMapAssetId[0]);
         }
      }
   }

   if (mPreviewImage->getBitmapAsset().isNull())
      mPreviewImage->_setBitmap(StringTable->insert("ToolsModule:genericAssetIcon_image"));
}

IMPLEMENT_CONOBJECT(GuiInspectorTypeMaterialAssetId);