Package dev.prozilla.pine.core.entity

Class EntityManager

java.lang.Object

dev.prozilla.pine.core.ECSManager

dev.prozilla.pine.core.entity.EntityManager

All Implemented Interfaces:

Lifecycle

public class EntityManager
extends ECSManager

Manages entities in the world.

Field Summary

Fields inherited from class dev.prozilla.pine.core.ECSManager

world

Constructor Summary

Constructors

Constructor	Description
EntityManager(World world)

Method Summary

Modifier and Type	Method	Description
void	addEntity(Entity entity)	Registers an entity.
boolean	contains(Entity entity)	Checks whether a given entity has been registered.
void	destroy()	Destroys all entities.
static int	generateEntityId()	Generates a new unique entity ID.
List<Entity>	getEntities()
boolean	hasEntities()	Checks if there are any entities.
void	removeEntity(Entity entity)	Unregisters an entity.

Methods inherited from class dev.prozilla.pine.core.ECSManager

getTracker

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface dev.prozilla.pine.common.Lifecycle

init, init, input, input, render, render, start, update, update

Constructor Details

EntityManager

public EntityManager(World world)

Method Details

destroy

public void destroy()

Destroys all entities.

addEntity

public void addEntity(Entity entity)
               throws IllegalStateException

Registers an entity.

Parameters:

entity - Entity to register

Throws:

IllegalStateException - If the entity is already registered.

removeEntity

public void removeEntity(Entity entity)
                  throws IllegalStateException

Unregisters an entity.

Parameters:

entity - Entity to unregister.

Throws:

IllegalStateException - If the entity has not been registered yet.

contains

public boolean contains(Entity entity)

Checks whether a given entity has been registered.

getEntities

public List<Entity> getEntities()

Returns:

List of all entities.

hasEntities

public boolean hasEntities()

Checks if there are any entities.

generateEntityId

public static int generateEntityId()

Generates a new unique entity ID.

Returns:

Entity ID