Class EntityTrackerSystems.LODCull

java.lang.Object

com.hypixel.hytale.component.system.System<EntityStore>

com.hypixel.hytale.component.system.tick.TickingSystem<EntityStore>

com.hypixel.hytale.component.system.tick.ArchetypeTickingSystem<EntityStore>

com.hypixel.hytale.component.system.tick.EntityTickingSystem<EntityStore>

com.hypixel.hytale.server.core.modules.entity.tracker.EntityTrackerSystems.LODCull

All Implemented Interfaces:

ISystem<EntityStore>, QuerySystem<EntityStore>, TickableSystem<EntityStore>

Enclosing class:

EntityTrackerSystems

public static class EntityTrackerSystems.LODCull
extends EntityTickingSystem<EntityStore>

Uses the bounding box on entities to apply LOD culling to the visible set of entities.

Nested Class Summary

Nested classes/interfaces inherited from class EntityTickingSystem

EntityTickingSystem.SystemTaskData<ECS_TYPE>

Field Summary

Fields

Modifier and Type	Field	Description
static double	ENTITY_LOD_RATIO
static final double	ENTITY_LOD_RATIO_DEFAULT

Fields inherited from interface ISystem

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor	Description
LODCull(ComponentType<EntityStore, EntityTrackerSystems.EntityViewer> entityViewerComponentType)	Default Constructor for a EntityTrackerSystems.LODCull instance.

Method Summary

Modifier and Type	Method	Description
Set<Dependency<EntityStore>>	getDependencies()
SystemGroup<EntityStore>	getGroup()
Query<EntityStore>	getQuery()
boolean	isParallel(int archetypeChunkSize, int taskCount)
void	tick(float dt, int index, ArchetypeChunk<EntityStore> archetypeChunk, Store<EntityStore> store, CommandBuffer<EntityStore> commandBuffer)	Required reading: CommandBuffer

Methods inherited from class EntityTickingSystem

doTick, tick

Methods inherited from class ArchetypeTickingSystem

isExplicitQuery, test, tick

Methods inherited from class System

getComponentRegistrations, getResourceRegistrations, registerResource, registerResource

Methods inherited from class Object

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

Methods inherited from interface ISystem

onSystemRegistered, onSystemUnregistered

Methods inherited from interface QuerySystem

getHierarchyScope

Field Details

ENTITY_LOD_RATIO_DEFAULT

public static final double ENTITY_LOD_RATIO_DEFAULT

See Also:

• Constant Field Values

ENTITY_LOD_RATIO

public static double ENTITY_LOD_RATIO

Constructor Details

LODCull

public LODCull(@Nonnull
 ComponentType<EntityStore, EntityTrackerSystems.EntityViewer> entityViewerComponentType)

Default Constructor for a EntityTrackerSystems.LODCull instance.

Parameters:

entityViewerComponentType - The component type for the EntityTrackerSystems.EntityViewer component.

Method Details

getGroup

@Nullable
public SystemGroup<EntityStore> getGroup()

Returns:

the group this system is a part of or null.

See Also:

• SystemGroup

getDependencies

@Nonnull
public Set<Dependency<EntityStore>> getDependencies()

getQuery

@Nonnull
public Query<EntityStore> getQuery()

isParallel

public boolean isParallel(int archetypeChunkSize,
 int taskCount)

Overrides:

isParallel in class EntityTickingSystem<EntityStore>

Returns:

true if parallel ticking is enabled.

See Also:

• EntityTickingSystem.tick(float, int, ArchetypeChunk, Store, CommandBuffer)

tick

public void tick(float dt,
 int index,
 @Nonnull
 ArchetypeChunk<EntityStore> archetypeChunk,
 @Nonnull
 Store<EntityStore> store,
 @Nonnull
 CommandBuffer<EntityStore> commandBuffer)

Description copied from class: EntityTickingSystem

Required reading: CommandBuffer

Called once per world tick for each 'entity' inside of an ArchetypeChunk with an Archetype that fulfills the Query provided by QuerySystem.getQuery()}.

If EntityTickingSystem.isParallel(int, int) returns true then this is called from a worker thread in the thread pool NOT from the world thread. When working with a parallel system special care must be taken to ensure data that is accessed is done so in a thead safe manor and that all components that have data that is modified are present in the ReadWriteArchetypeQuery.getWriteArchetype(). TODO: Expand docs to talk more about how other query types tie into this.

To access component data when using this method you should use the following:

var component = archetypeChunk.getComponent(index, componentType);

Specified by:

tick in class EntityTickingSystem<EntityStore>

Parameters:

dt - The delta time in seconds.

index - The index of the entity in the ArchetypeChunk.