Made SpawnerSystem utilize the new EntityFile for spawning instead

include/Game/Systems/SpawnerSystem.h

@@ -7,8 +7,7 @@
 #include "Core/System.h"
 #include "Events/ESpawnerSpawn.h"
 #include "Core/Transform.h"
-#include "Core/ResourceManager.h"
-#include "Core/EntityXMLFileParser.h"
+#include "Core/EntityFile.h"
 
 class SpawnerSystem : public System
 {

src/Game/Systems/SpawnerSystem.cpp

@@ -17,14 +17,16 @@ EntityWrapper SpawnerSystem::Spawn(EntityWrapper spawner, EntityWrapper parent /
 
     // Load the entity file and parse it
     const std::string& entityFilePath = spawner["Spawner"]["EntityFile"];
-    auto entityFile = ResourceManager::Load<EntityXMLFile>(entityFilePath);
-    if (entityFile == nullptr) {
+    EntityWrapper spawnedEntity;
+    try {
+        auto entityFile = ResourceManager::Load<EntityFile>(entityFilePath);
+        spawnedEntity = entityFile->MergeInto(world);
+        world->SetParent(spawnedEntity.ID, parent.ID);
+    } catch (const Resource::FailedLoadingException& e) {
         return EntityWrapper::Invalid;
     }
-    EntityXMLFileParser parser(entityFile);
-    EntityWrapper spawnedEntity(world, parser.MergeEntities(world, parent.ID));
 
-    //If the spawned entity is collideable, then we must not spawn it where it collides with something that
+    // If the spawned entity is collidable, then we must not spawn it where it collides with something that
     // has a dontCollideComponent attached.
     bool spawnOnCollidable = dontCollideComponent.empty() || !spawnedEntity.HasComponent("Collidable");
     if (!spawnOnCollidable) {