+static void skaterift_write_addon_alias( vg_msg *msg, const char *key,
+ addon_alias *alias ){
+ if( alias->workshop_id )
+ vg_msg_wkvu64( msg, key, alias->workshop_id );
+ else
+ vg_msg_wkvstr( msg, key, alias->foldername );
+}
+
+static void skaterift_write_viewslot( vg_msg *msg, const char *key,
+ enum addon_type type, u16 cache_id ){
+ if( !cache_id ) return;
+
+ struct addon_cache *cache = &addon_system.cache[type];
+ addon_cache_entry *entry = vg_pool_item( &cache->pool, cache_id );
+ addon_reg *reg = entry->reg_ptr;
+
+ if( reg )
+ skaterift_write_addon_alias( msg, key, ®->alias );
+}
+
+static void skaterift_read_addon_alias( vg_msg *msg, const char *key,
+ enum addon_type type,
+ addon_alias *alias ){
+
+ alias->foldername[0] = '\0';
+ alias->workshop_id = 0;
+ alias->type = type;