EntityManager.cpp

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#include "EntityManager.h"
 
namespace ECS
{
    EntityManager::EntityManager(ComponentManager* componentManagerInstance) :
        m_PendingDestroyedEntities(1024),
        m_NumPendingDestroyedEntities(0),
        m_ComponentManagerInstance(componentManagerInstance)
    {
        DEFINE_LOGGER("EntityManager");
        LOG_INFO("Initialize EntityManager!","");
    }
 
    EntityManager::~EntityManager()
    {
        for (auto ec : this->m_EntityRegistry)
        {
            LOG_DEBUG("Releasing remaining entities of type '{}' ...", ec.second->GetEntityContainerTypeName());
            delete ec.second;
            ec.second = nullptr;
        }
 
        LOG_INFO("Release EntityManager!","");
    }
 
    EntityId EntityManager::AqcuireEntityId(IEntity* entity)
    {
        return this->m_EntityHandleTable.AcquireHandle(entity);
    }
 
    void EntityManager::ReleaseEntityId(EntityId id)
    {
        this->m_EntityHandleTable.ReleaseHandle(id);
    }
 
    void EntityManager::RemoveDestroyedEntity(EntityId id)
    {
        IEntity* entity = this->m_EntityHandleTable[id];
 
        const EntityTypeId ETID = entity->GetStaticEntityTypeID();
 
        // get appropriate entity container and destroy entity
        auto it = this->m_EntityRegistry.find(ETID);
        if (it != this->m_EntityRegistry.end())
        {
            // release entity's components
            this->m_ComponentManagerInstance->RemoveAllComponents(id);
 
            it->second->DestroyEntity(entity);
        }
 
        // free entity id
        this->ReleaseEntityId(id);
    }
 
    void EntityManager::RemoveDestroyedEntities()
    {
        PROFILE_SCOPE_AUTO( Divide::Profiler::Category::GameLogic );
 
        for (size_t i = 0; i < this->m_NumPendingDestroyedEntities; ++i)
        {
            EntityId entityId = this->m_PendingDestroyedEntities[i];
            RemoveDestroyedEntity(entityId);
        }
 
        this->m_NumPendingDestroyedEntities = 0;
    }
 
 
} // namespace ECS