add 'material' entity property

src/content/loading/EntityLoader.cpp

@@ -87,6 +87,7 @@ template<> void ContentUnitLoader<EntityDef>::loadUnit(
     BodyTypeMeta.getItem(bodyTypeName, def.bodyType);
 
     root.at("skeleton-name").get(def.skeletonName);
+    root.at("material").get(def.material);
     root.at("blocking").get(def.blocking);
     root.at("solid").get(def.solid);
     root.at("mass").get(def.mass);

src/objects/EntityDef.hpp

@@ -39,6 +39,9 @@ struct EntityDef {
     /// @brief Skeleton ID
     std::string skeletonName = name;
 
+    /// @brief Solid entity material material
+    std::string material;
+
     /// @brief Does entity prevent blocks setup
     bool blocking = true;
 

src/objects/Rigidbody.cpp

@@ -87,4 +87,5 @@ void Rigidbody::initialize(
             create_sensor_callback<scripting::on_sensor_exit>(entities)};
     }
     hitbox.stepHeight = def.stepHeight;
+    hitbox.material = def.material;
 }