change rigs role from assets to content units

src/content/ContentBuilder.hpp

@@ -23,7 +23,7 @@ class ContentUnitBuilder {
         }
     }
 public:
-    std::unordered_map<std::string, std::unique_ptr<T>> defs;
+    UptrsMap<std::string, T> defs;
     std::vector<std::string> names;
     
     ContentUnitBuilder(
@@ -49,8 +49,9 @@ public:
 };
 
 class ContentBuilder {
-    std::unordered_map<std::string, std::unique_ptr<BlockMaterial>> blockMaterials;
-    std::unordered_map<std::string, std::unique_ptr<ContentPackRuntime>> packs;
+    UptrsMap<std::string, BlockMaterial> blockMaterials;
+    UptrsMap<std::string, rigging::RigConfig> rigs;
+    UptrsMap<std::string, ContentPackRuntime> packs;
     std::unordered_map<std::string, contenttype> allNames;
 public:
     ContentUnitBuilder<Block> blocks {allNames, contenttype::block};
@@ -60,6 +61,7 @@ public:
     ~ContentBuilder();
 
     void add(std::unique_ptr<ContentPackRuntime> pack);
+    void add(std::unique_ptr<rigging::RigConfig> rig);
 
     BlockMaterial& createBlockMaterial(const std::string& id);