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Add experimental EntityTracker#chunkEntities to retrieve a copy

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Signed-off-by: TheMode <themode@outlook.fr>
This commit is contained in:
TheMode 2021-12-09 08:13:46 +01:00
parent bef4fe37b3
commit 876f716e25
2 changed files with 23 additions and 8 deletions
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18
src/main/java/net/minestom/server/instance/EntityTracker.java
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@ -5,11 +5,9 @@ import net.minestom.server.entity.Entity;
import net.minestom.server.entity.ExperienceOrb;
import net.minestom.server.entity.ItemEntity;
import net.minestom.server.entity.Player;
import org.jetbrains.annotations.ApiStatus;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.UnmodifiableView;
import org.jetbrains.annotations.*;
import java.util.Collection;
import java.util.List;
import java.util.Set;
@ -64,6 +62,18 @@ public sealed interface EntityTracker permits EntityTrackerImpl {
chunkEntities(point.chunkX(), point.chunkZ(), target, query);
}
/**
* Returns a copy of the entities present in the specified chunk.
*/
@ApiStatus.Experimental
@Unmodifiable <T extends Entity> Collection<T> chunkEntities(int chunkX, int chunkZ, @NotNull Target<T> target);
@ApiStatus.Experimental
@Unmodifiable
default <T extends Entity> @NotNull Collection<T> chunkEntities(@NotNull Point point, @NotNull Target<T> target) {
return chunkEntities(point.chunkX(), point.chunkZ(), target);
}
/**
* Gets the entities present in range of the specified chunk.
* <p>

13
src/main/java/net/minestom/server/instance/EntityTrackerImpl.java
View File

@ -8,12 +8,10 @@ import net.minestom.server.entity.Entity;
import net.minestom.server.utils.chunk.ChunkUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.Unmodifiable;
import org.jetbrains.annotations.UnmodifiableView;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicInteger;
@ -111,6 +109,13 @@ final class EntityTrackerImpl implements EntityTracker {
for (Entity entity : entities) query.consume((T) entity);
}
@Override
public synchronized @Unmodifiable <T extends Entity> Collection<T> chunkEntities(int chunkX, int chunkZ, @NotNull Target<T> target) {
final TargetEntry<Entity> entry = entries[target.ordinal()];
final List<Entity> entities = entry.chunkEntities.get(getChunkIndex(chunkX, chunkZ));
return entities != null ? (Collection<T>) List.copyOf(entities) : List.of();
}
@Override
public <T extends Entity> void visibleEntities(int chunkX, int chunkZ, @NotNull Target<T> target, @NotNull Query<T> query) {
for (List<T> entities : references(chunkX, chunkZ, target)) {