feat(gameplay): implement entity system with concurrent task handling and fix model loading

src/gameplay/client_entity_manager.cpp

@@ -1,5 +1,6 @@
 #include "Cubed/gameplay/client_entity_manager.hpp"
 
+#include "Cubed/gameplay/client_world.hpp"
 #include "Cubed/gameplay/creatures/pig.hpp"
 #include "Cubed/gameplay/ecs/client_entity.hpp"
 #include "Cubed/gameplay/ecs/identity.hpp"
@@ -9,24 +10,25 @@
 namespace Cubed {
 ClientEntityManager::ClientEntityManager(ClientWorld& world) : m_world(world) {}
 void ClientEntityManager::update() { handle_task(); }
+
 void ClientEntityManager::init() {
     m_factories.emplace("cubed:pig", [this](EntityID id) {
         BaseClientCreature c;
         c.model = ModelManager::instance().get_model_id("cubed:pig");
-        add_entity(id, Entity{id}, EntityInfo{"cubed:pig", ""}, std::move(c),
-                   PigTag{});
+        create_entity_in_registry(id, Entity{id}, EntityInfo{"cubed:pig", ""},
+                                  std::move(c), PigTag{});
     });
 }
 // not thread safe
 void ClientEntityManager::add_entity(EntityID id, std::string_view name,
                                      const glm::vec3& pos) {
-
+    ASSERT(m_factories.contains(name));
     m_factories[name](id);
     acc a;
     ASSERT(m_entities.find(a, id));
-    auto* c = m_registry.try_get<Transform>(a->second);
+    auto* c = m_registry.try_get<BaseClientCreature>(a->second);
     ASSERT(c);
-    c->position.value = pos;
+    c->transform.position.value = pos;
 }
 
 void ClientEntityManager::receive_entity_create(S2CEntityCreate& s2c) {
@@ -44,10 +46,13 @@ void ClientEntityManager::handle_task() {
         case Command::CREATE:
             auto* p = std::get_if<EntityCreateElement>(&pair.second);
             ASSERT(p);
-
             add_entity(p->id, p->name, p->pos);
+            break;
         }
     }
 }
 
+const entt::registry& ClientEntityManager::get_registry() const {
+    return m_registry;
+}
 } // namespace Cubed