Added utility methods to AssetBase:

getAssetDependencyFieldCount
clearAssetDependencyFields
addAssetDependencyField
saveAsset

Updated the saveAsset function for terrain block to utilize utility methods to ensure the terrain asset's material dependencies, so they will load properly.

Engine/source/assets/assetBase.cpp

@@ -284,6 +284,78 @@ void AssetBase::refreshAsset(void)
 
 //-----------------------------------------------------------------------------
 
+S32 AssetBase::getAssetDependencyFieldCount(const char* pFieldName)
+{
+   S32 matchedFieldCount = 0;
+   SimFieldDictionary* fieldDictionary = getFieldDictionary();
+   for (SimFieldDictionaryIterator itr(fieldDictionary); *itr; ++itr)
+   {
+      SimFieldDictionary::Entry* entry = *itr;
+
+      if (String(entry->slotName).startsWith(pFieldName))
+      {
+         matchedFieldCount++;
+      }
+   }
+
+   return matchedFieldCount;
+}
+
+//-----------------------------------------------------------------------------
+
+void AssetBase::clearAssetDependencyFields(const char* pFieldName)
+{
+   SimFieldDictionary* fieldDictionary = getFieldDictionary();
+   for (SimFieldDictionaryIterator itr(fieldDictionary); *itr; ++itr)
+   {
+      SimFieldDictionary::Entry* entry = *itr;
+
+      if (String(entry->slotName).startsWith(pFieldName))
+      {
+         setDataField(entry->slotName, NULL, "");
+      }
+   }
+}
+
+//-----------------------------------------------------------------------------
+
+void AssetBase::addAssetDependencyField(const char* pFieldName, const char* pAssetId)
+{
+   U32 existingFieldCount = getAssetDependencyFieldCount(pFieldName);
+
+   //we have a match!
+   char depSlotName[50];
+   dSprintf(depSlotName, sizeof(depSlotName), "%s%d", pFieldName, existingFieldCount);
+
+   char depValue[255];
+   dSprintf(depValue, sizeof(depValue), "@Asset=%s", pAssetId);
+
+   setDataField(StringTable->insert(depSlotName), NULL, StringTable->insert(depValue));
+}
+
+//-----------------------------------------------------------------------------
+bool AssetBase::saveAsset()
+{
+   // Set the format mode.
+   Taml taml;
+
+   // Yes, so set it.
+   taml.setFormatMode(Taml::getFormatModeEnum("xml"));
+
+   // Turn-off auto-formatting.
+   taml.setAutoFormat(false);
+
+   // Read object.
+   bool success = taml.write(this, AssetDatabase.getAssetFilePath(getAssetId()));
+
+   if (!success)
+      return false;
+
+   return true;
+}
+
+//-----------------------------------------------------------------------------
+
 void AssetBase::acquireAssetReference(void)
 {
    // Acquired the acquired reference count.

Engine/source/assets/assetBase.h

@@ -104,6 +104,12 @@ public:
 
    void                    refreshAsset(void);
 
+   S32 getAssetDependencyFieldCount(const char* pFieldName);
+   void clearAssetDependencyFields(const char* pFieldName);
+   void addAssetDependencyField(const char* pFieldName, const char* pAssetId);
+
+   bool saveAsset();
+
    /// Declare Console Object.
    DECLARE_CONOBJECT(AssetBase);
 

Engine/source/assets/assetBase_ScriptBinding.h

@@ -1,4 +1,4 @@
-//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
 // Copyright (c) 2013 GarageGames, LLC
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -39,3 +39,31 @@ DefineEngineMethod(AssetBase, getAssetId, String, (), ,
 {
     return object->getAssetId();
 }
+
+DefineEngineMethod(AssetBase, getAssetDependencyFieldCount, S32, (const char* pFieldName), (""),
+   "Gets the assets' Asset Id.  This is only available if the asset was acquired from the asset manager.\n"
+   "@return The assets' Asset Id.\n")
+{
+   return object->getAssetDependencyFieldCount(pFieldName);
+}
+
+DefineEngineMethod(AssetBase, clearAssetDependencyFields, void, (const char* pFieldName), (""),
+   "Gets the assets' Asset Id.  This is only available if the asset was acquired from the asset manager.\n"
+   "@return The assets' Asset Id.\n")
+{
+   object->clearAssetDependencyFields(pFieldName);
+}
+
+DefineEngineMethod(AssetBase, addAssetDependencyField, void, (const char* pFieldName, const char* pAssetId), ("", ""),
+   "Gets the assets' Asset Id.  This is only available if the asset was acquired from the asset manager.\n"
+   "@return The assets' Asset Id.\n")
+{
+   object->addAssetDependencyField(pFieldName, pAssetId);
+}
+
+DefineEngineMethod(AssetBase, saveAsset, bool, (), ,
+   "Gets the assets' Asset Id.  This is only available if the asset was acquired from the asset manager.\n"
+   "@return The assets' Asset Id.\n")
+{
+   return object->saveAsset();
+}