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Send Lighting Immediately (#131) 

Fix lighting

(cherry picked from commit 0494ee0b97c0ce28ffd6d744a494c65fa8308658)
This commit is contained in:
iam 2024-02-04 14:16:15 -05:00 committed by Matt Worzala
parent 12da0c7e4a
commit 8aedd5fc26
8 changed files with 186 additions and 185 deletions
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1
demo/src/main/java/net/minestom/demo/Main.java
View File

@ -72,6 +72,7 @@ public class Main {
commandManager.register(new ConfigCommand());
commandManager.register(new SidebarCommand());
commandManager.register(new SetEntityType());
commandManager.register(new RelightCommand());
commandManager.setUnknownCommandCallback((sender, command) -> sender.sendMessage(Component.text("Unknown command", NamedTextColor.RED)));

12
demo/src/main/java/net/minestom/demo/PlayerInit.java
View File

@ -166,8 +166,16 @@ public class PlayerInit {
InstanceManager instanceManager = MinecraftServer.getInstanceManager();
InstanceContainer instanceContainer = instanceManager.createInstanceContainer(DimensionType.OVERWORLD);
instanceContainer.setGenerator(unit -> unit.modifier().fillHeight(0, 40, Block.STONE));
instanceContainer.setGenerator(unit -> {
unit.modifier().fillHeight(0, 40, Block.STONE);
if (unit.absoluteStart().blockY() < 40 && unit.absoluteEnd().blockY() > 40) {
unit.modifier().setBlock(unit.absoluteStart().blockX(), 40, unit.absoluteStart().blockZ(), Block.TORCH);
}
});
instanceContainer.setChunkSupplier(LightingChunk::new);
instanceContainer.setTimeRate(0);
instanceContainer.setTime(18000);
// var i2 = new InstanceContainer(UUID.randomUUID(), DimensionType.OVERWORLD, null, NamespaceID.from("minestom:demo"));
// instanceManager.registerInstance(i2);
@ -181,6 +189,8 @@ public class PlayerInit {
// CompletableFuture.runAsync(() -> {
// CompletableFuture.allOf(chunks.toArray(CompletableFuture[]::new)).join();
// System.out.println("load end");
// LightingChunk.relight(instanceContainer, instanceContainer.getChunks());
// System.out.println("light end");
// });
inventory = new Inventory(InventoryType.CHEST_1_ROW, Component.text("Test inventory"));

21
demo/src/main/java/net/minestom/demo/commands/RelightCommand.java Normal file
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@ -0,0 +1,21 @@
package net.minestom.demo.commands;
import net.minestom.server.command.builder.Command;
import net.minestom.server.entity.Player;
import net.minestom.server.instance.LightingChunk;
public class RelightCommand extends Command {
public RelightCommand() {
super("relight");
setDefaultExecutor((source, args) -> {
if (source instanceof Player player) {
long start = System.currentTimeMillis();
source.sendMessage("Relighting...");
LightingChunk.relight(player.getInstance(), player.getInstance().getChunks());
source.sendMessage("Relighted " + player.getInstance().getChunks().size() + " chunks in " + (System.currentTimeMillis() - start) + "ms");
player.getInstance().getChunks().forEach(chunk -> chunk.sendChunk(player));
source.sendMessage("Chunks Received");
}
});
}
}

72
src/main/java/net/minestom/server/instance/DynamicChunk.java
View File

@ -210,24 +210,7 @@ public class DynamicChunk extends Chunk {
}
private @NotNull ChunkDataPacket createChunkPacket() {
final NBTCompound heightmapsNBT;
// TODO: don't hardcode heightmaps
// Heightmap
{
int dimensionHeight = getInstance().getDimensionType().getHeight();
int[] motionBlocking = new int[16 * 16];
int[] worldSurface = new int[16 * 16];
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
motionBlocking[x + z * 16] = 0;
worldSurface[x + z * 16] = dimensionHeight - 1;
}
}
final int bitsForHeight = MathUtils.bitsToRepresent(dimensionHeight);
heightmapsNBT = NBT.Compound(Map.of(
"MOTION_BLOCKING", NBT.LongArray(encodeBlocks(motionBlocking, bitsForHeight)),
"WORLD_SURFACE", NBT.LongArray(encodeBlocks(worldSurface, bitsForHeight))));
}
final NBTCompound heightmapsNBT = computeHeightmap();
// Data
final byte[] data;
@ -238,44 +221,35 @@ public class DynamicChunk extends Chunk {
}));
}
if (this instanceof LightingChunk light) {
if (light.lightCache.isValid()) {
return new ChunkDataPacket(chunkX, chunkZ,
new ChunkData(heightmapsNBT, data, entries),
createLightData(true));
} else {
// System.out.println("Regenerating light for chunk " + chunkX + " " + chunkZ);
LightingChunk.updateAfterGeneration(light);
return new ChunkDataPacket(chunkX, chunkZ,
new ChunkData(heightmapsNBT, data, entries),
createEmptyLight());
}
}
return new ChunkDataPacket(chunkX, chunkZ,
new ChunkData(heightmapsNBT, data, entries),
createLightData(true)
createLightData()
);
}
protected NBTCompound computeHeightmap() {
// TODO: don't hardcode heightmaps
// Heightmap
int dimensionHeight = getInstance().getDimensionType().getHeight();
int[] motionBlocking = new int[16 * 16];
int[] worldSurface = new int[16 * 16];
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
motionBlocking[x + z * 16] = 0;
worldSurface[x + z * 16] = dimensionHeight - 1;
}
}
final int bitsForHeight = MathUtils.bitsToRepresent(dimensionHeight);
return NBT.Compound(Map.of(
"MOTION_BLOCKING", NBT.LongArray(encodeBlocks(motionBlocking, bitsForHeight)),
"WORLD_SURFACE", NBT.LongArray(encodeBlocks(worldSurface, bitsForHeight))));
}
@NotNull UpdateLightPacket createLightPacket() {
return new UpdateLightPacket(chunkX, chunkZ, createLightData(false));
return new UpdateLightPacket(chunkX, chunkZ, createLightData());
}
private LightData createEmptyLight() {
BitSet skyMask = new BitSet();
BitSet blockMask = new BitSet();
BitSet emptySkyMask = new BitSet();
BitSet emptyBlockMask = new BitSet();
List<byte[]> skyLights = new ArrayList<>();
List<byte[]> blockLights = new ArrayList<>();
return new LightData(skyMask, blockMask,
emptySkyMask, emptyBlockMask,
skyLights, blockLights);
}
protected LightData createLightData(boolean sendLater) {
protected LightData createLightData() {
BitSet skyMask = new BitSet();
BitSet blockMask = new BitSet();
BitSet emptySkyMask = new BitSet();
@ -346,7 +320,7 @@ public class DynamicChunk extends Chunk {
70409299, 70409299, 0, 69273666, 69273666, 0, 68174084, 68174084, 0, Integer.MIN_VALUE,
0, 5};
private static long[] encodeBlocks(int[] blocks, int bitsPerEntry) {
static long[] encodeBlocks(int[] blocks, int bitsPerEntry) {
final long maxEntryValue = (1L << bitsPerEntry) - 1;
final char valuesPerLong = (char) (64 / bitsPerEntry);
final int magicIndex = 3 * (valuesPerLong - 1);

246
src/main/java/net/minestom/server/instance/LightingChunk.java
View File

@ -1,7 +1,5 @@
package net.minestom.server.instance;
import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
import it.unimi.dsi.fastutil.longs.LongSet;
import net.minestom.server.MinecraftServer;
import net.minestom.server.ServerFlag;
import net.minestom.server.collision.Shape;
@ -13,21 +11,22 @@ import net.minestom.server.instance.block.BlockHandler;
import net.minestom.server.instance.light.Light;
import net.minestom.server.network.ConnectionState;
import net.minestom.server.network.packet.server.CachedPacket;
import net.minestom.server.network.packet.server.ServerPacket;
import net.minestom.server.network.packet.server.play.UpdateLightPacket;
import net.minestom.server.network.packet.server.play.data.LightData;
import net.minestom.server.timer.ExecutionType;
import net.minestom.server.timer.Task;
import net.minestom.server.timer.TaskSchedule;
import net.minestom.server.utils.MathUtils;
import net.minestom.server.utils.NamespaceID;
import net.minestom.server.utils.chunk.ChunkUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jglrxavpok.hephaistos.nbt.NBT;
import org.jglrxavpok.hephaistos.nbt.NBTCompound;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.ReentrantLock;
import static net.minestom.server.instance.light.LightCompute.emptyContent;
@ -37,8 +36,9 @@ public class LightingChunk extends DynamicChunk {
private int[] heightmap;
final CachedPacket lightCache = new CachedPacket(this::createLightPacket);
boolean sendNeighbours = true;
boolean chunkLoaded = false;
private int highestBlock;
private boolean initialLightingSent = false;
enum LightType {
SKY,
@ -132,17 +132,32 @@ public class LightingChunk extends DynamicChunk {
@Override
protected void onLoad() {
// Prefetch the chunk packet so that lazy lighting is computed
chunkLoaded = true;
updateAfterGeneration(this);
}
public int[] calculateHeightMap() {
public boolean isLightingCalculated() {
return initialLightingSent;
}
@Override
protected NBTCompound computeHeightmap() {
// Heightmap
int[] heightmap = getHeightmap();
int dimensionHeight = getInstance().getDimensionType().getHeight();
final int bitsForHeight = MathUtils.bitsToRepresent(dimensionHeight);
return NBT.Compound(Map.of(
"MOTION_BLOCKING", NBT.LongArray(encodeBlocks(heightmap, bitsForHeight)),
"WORLD_SURFACE", NBT.LongArray(encodeBlocks(heightmap, bitsForHeight))));
}
// Lazy compute heightmap
public int[] getHeightmap() {
if (this.heightmap != null) return this.heightmap;
var heightmap = new int[CHUNK_SIZE_X * CHUNK_SIZE_Z];
int minY = instance.getDimensionType().getMinY();
int maxY = instance.getDimensionType().getMinY() + instance.getDimensionType().getHeight();
highestBlock = minY;
synchronized (this) {
for (int x = 0; x < CHUNK_SIZE_X; x++) {
@ -154,6 +169,7 @@ public class LightingChunk extends DynamicChunk {
height--;
}
heightmap[z << 4 | x] = (height + 1);
if (height > highestBlock) highestBlock = height;
}
}
}
@ -163,7 +179,12 @@ public class LightingChunk extends DynamicChunk {
}
@Override
protected LightData createLightData(boolean sendLater) {
protected LightData createLightData() {
if (lightCache.isValid()) {
ServerPacket packet = lightCache.packet(ConnectionState.PLAY);
return ((UpdateLightPacket) packet).lightData();
}
synchronized (lightCache) {
BitSet skyMask = new BitSet();
BitSet blockMask = new BitSet();
@ -172,20 +193,25 @@ public class LightingChunk extends DynamicChunk {
List<byte[]> skyLights = new ArrayList<>();
List<byte[]> blockLights = new ArrayList<>();
Set<Chunk> combined = new HashSet<>();
int chunkMin = instance.getDimensionType().getMinY();
int index = 0;
for (Section section : sections) {
boolean wasUpdatedBlock = false;
boolean wasUpdatedSky = false;
if (section.blockLight().requiresUpdate()) {
relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.BLOCK);
var needsSend = relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.BLOCK);
combined.addAll(needsSend);
wasUpdatedBlock = true;
} else if (section.blockLight().requiresSend()) {
wasUpdatedBlock = true;
}
if (section.skyLight().requiresUpdate()) {
relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.SKY);
var needsSend = relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.SKY);
combined.addAll(needsSend);
wasUpdatedSky = true;
} else if (section.skyLight().requiresSend()) {
wasUpdatedSky = true;
@ -195,8 +221,9 @@ public class LightingChunk extends DynamicChunk {
final byte[] skyLight = section.skyLight().array();
final byte[] blockLight = section.blockLight().array();
final int sectionMaxY = index * 16 + chunkMin;
if ((wasUpdatedSky || sendLater) && this.instance.getDimensionType().isSkylightEnabled()) {
if ((wasUpdatedSky) && this.instance.getDimensionType().isSkylightEnabled() && sectionMaxY <= (highestBlock + 16)) {
if (skyLight.length != 0 && skyLight != emptyContent) {
skyLights.add(skyLight);
skyMask.set(index);
@ -205,7 +232,7 @@ public class LightingChunk extends DynamicChunk {
}
}
if (wasUpdatedBlock || sendLater) {
if (wasUpdatedBlock) {
if (blockLight.length != 0 && blockLight != emptyContent) {
blockLights.add(blockLight);
blockMask.set(index);
@ -215,10 +242,27 @@ public class LightingChunk extends DynamicChunk {
}
}
if (sendNeighbours) {
updateAfterGeneration(this);
sendNeighbours = false;
}
MinecraftServer.getSchedulerManager().scheduleNextTick(() -> {
for (Chunk chunk : combined) {
if (chunk instanceof LightingChunk light) {
if (light.initialLightingSent) {
light.lightCache.invalidate();
light.chunkCache.invalidate();
// Compute Lighting. This will ensure lighting is computed even with no players
lightCache.body(ConnectionState.PLAY);
light.sendLighting();
light.sections.forEach(s -> {
s.blockLight().setRequiresSend(true);
s.skyLight().setRequiresSend(true);
});
}
}
}
this.initialLightingSent = true;
});
return new LightData(skyMask, blockMask,
emptySkyMask, emptyBlockMask,
@ -226,100 +270,23 @@ public class LightingChunk extends DynamicChunk {
}
}
private static final LongSet queuedChunks = new LongOpenHashSet();
private static final List<LightingChunk> sendQueue = new ArrayList<>();
private static Task sendingTask = null;
private static final ReentrantLock lightLock = new ReentrantLock();
private static final ReentrantLock queueLock = new ReentrantLock();
static void updateAfterGeneration(LightingChunk chunk) {
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
Chunk neighborChunk = chunk.instance.getChunk(chunk.chunkX + i, chunk.chunkZ + j);
if (neighborChunk == null) continue;
if (neighborChunk instanceof LightingChunk lightingChunk) {
queueLock.lock();
if (queuedChunks.add(ChunkUtils.getChunkIndex(lightingChunk.chunkX, lightingChunk.chunkZ))) {
sendQueue.add(lightingChunk);
}
queueLock.unlock();
}
}
}
lightLock.lock();
if (sendingTask != null) {
lightLock.unlock();
return;
}
sendingTask = MinecraftServer.getSchedulerManager().scheduleTask(() -> {
queueLock.lock();
var copy = new ArrayList<>(sendQueue);
sendQueue.clear();
queuedChunks.clear();
queueLock.unlock();
// if (copy.size() != 0) {
// System.out.println("Sending lighting for " + copy.size() + " chunks");
// }
int count = 0;
for (LightingChunk f : copy) {
f.sections.forEach(s -> {
s.blockLight().invalidate();
s.skyLight().invalidate();
});
f.chunkCache.invalidate();
f.lightCache.invalidate();
}
// Load all the lighting
for (LightingChunk f : copy) {
if (f.isLoaded()) {
f.lightCache.body(ConnectionState.PLAY);
}
}
// Send it slowly
for (LightingChunk f : copy) {
if (f.isLoaded()) {
f.sendLighting();
if (f.getViewers().size() == 0) continue;
}
count++;
if (count % ServerFlag.LIGHTING_CHUNKS_PER_SEND == 0) {
// System.out.println("Sent " + count + " lighting chunks " + (count * 100 / copy.size()) + "%");
try {
Thread.sleep(ServerFlag.LIGHTING_CHUNKS_SEND_DELAY);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}, TaskSchedule.immediate(), TaskSchedule.tick(20), ExecutionType.ASYNC);
lightLock.unlock();
}
private static void flushQueue(Instance instance, Set<Point> queue, LightType type, QueueType queueType) {
AtomicInteger count = new AtomicInteger(0);
private static Set<Chunk> flushQueue(Instance instance, Set<Point> queue, LightType type, QueueType queueType) {
Set<Light> sections = ConcurrentHashMap.newKeySet();
Set<Point> newQueue = ConcurrentHashMap.newKeySet();
Set<Chunk> responseChunks = ConcurrentHashMap.newKeySet();
List<CompletableFuture<Void>> tasks = new ArrayList<>();
for (Point point : queue) {
Chunk chunk = instance.getChunk(point.blockX(), point.blockZ());
if (chunk == null) {
count.getAndIncrement();
continue;
}
if (chunk == null) continue;
var light = type == LightType.BLOCK ? chunk.getSection(point.blockY()).blockLight() : chunk.getSection(point.blockY()).skyLight();
var section = chunk.getSection(point.blockY());
responseChunks.add(chunk);
pool.submit(() -> {
var light = type == LightType.BLOCK ? section.blockLight() : section.skyLight();
CompletableFuture<Void> task = CompletableFuture.runAsync(() -> {
if (queueType == QueueType.INTERNAL) light.calculateInternal(instance, chunk.getChunkX(), point.blockY(), chunk.getChunkZ());
else light.calculateExternal(instance, chunk, point.blockY());
@ -327,16 +294,19 @@ public class LightingChunk extends DynamicChunk {
var toAdd = light.flip();
if (toAdd != null) newQueue.addAll(toAdd);
}, pool);
count.incrementAndGet();
});
tasks.add(task);
}
while (count.get() < queue.size()) { }
tasks.forEach(CompletableFuture::join);
if (newQueue.size() > 0) {
flushQueue(instance, newQueue, type, QueueType.EXTERNAL);
if (!newQueue.isEmpty()) {
var newResponse = flushQueue(instance, newQueue, type, QueueType.EXTERNAL);
responseChunks.addAll(newResponse);
}
return responseChunks;
}
public static void relight(Instance instance, Collection<Chunk> chunks) {
@ -345,10 +315,12 @@ public class LightingChunk extends DynamicChunk {
for (Chunk chunk : chunks) {
if (chunk == null) continue;
for (int section = chunk.minSection; section < chunk.maxSection; section++) {
chunk.getSection(section).blockLight().invalidate();
chunk.getSection(section).skyLight().invalidate();
if (chunk instanceof LightingChunk) {
chunk.getSection(section).blockLight().invalidate();
chunk.getSection(section).skyLight().invalidate();
sections.add(new Vec(chunk.getChunkX(), section, chunk.getChunkZ()));
sections.add(new Vec(chunk.getChunkX(), section, chunk.getChunkZ()));
}
}
}
@ -358,10 +330,23 @@ public class LightingChunk extends DynamicChunk {
}
}
private static Set<Point> getNearbyRequired(Instance instance, Point point) {
private static Set<Point> getNearbyRequired(Instance instance, Point point, LightType type) {
Set<Point> collected = new HashSet<>();
collected.add(point);
int highestRegionPoint = instance.getDimensionType().getMinY();
for (int x = point.blockX() - 1; x <= point.blockX() + 1; x++) {
for (int z = point.blockZ() - 1; z <= point.blockZ() + 1; z++) {
Chunk chunkCheck = instance.getChunk(x, z);
if (chunkCheck == null) continue;
if (chunkCheck instanceof LightingChunk lighting) {
if (lighting.highestBlock > highestRegionPoint) highestRegionPoint = lighting.highestBlock;
}
}
}
for (int x = point.blockX() - 1; x <= point.blockX() + 1; x++) {
for (int z = point.blockZ() - 1; z <= point.blockZ() + 1; z++) {
Chunk chunkCheck = instance.getChunk(x, z);
@ -369,6 +354,8 @@ public class LightingChunk extends DynamicChunk {
for (int y = point.blockY() - 1; y <= point.blockY() + 1; y++) {
Point sectionPosition = new Vec(x, y, z);
int sectionHeight = instance.getDimensionType().getMinY() + 16 * y;
if ((sectionHeight + 16) > highestRegionPoint && type == LightType.SKY) continue;
if (sectionPosition.blockY() < chunkCheck.getMaxSection() && sectionPosition.blockY() >= chunkCheck.getMinSection()) {
Section s = chunkCheck.getSection(sectionPosition.blockY());
@ -383,16 +370,16 @@ public class LightingChunk extends DynamicChunk {
return collected;
}
private static Set<Point> collectRequiredNearby(Instance instance, Point point) {
private static Set<Point> collectRequiredNearby(Instance instance, Point point, LightType type) {
final Set<Point> found = new HashSet<>();
final ArrayDeque<Point> toCheck = new ArrayDeque<>();
toCheck.add(point);
found.add(point);
while (toCheck.size() > 0) {
while (!toCheck.isEmpty()) {
final Point current = toCheck.poll();
final Set<Point> nearby = getNearbyRequired(instance, current);
final Set<Point> nearby = getNearbyRequired(instance, current, type);
nearby.forEach(p -> {
if (!found.contains(p)) {
found.add(p);
@ -404,25 +391,24 @@ public class LightingChunk extends DynamicChunk {
return found;
}
static void relightSection(Instance instance, int chunkX, int sectionY, int chunkZ) {
relightSection(instance, chunkX, sectionY, chunkZ, LightType.BLOCK);
relightSection(instance, chunkX, sectionY, chunkZ, LightType.SKY);
static Set<Chunk> relightSection(Instance instance, int chunkX, int sectionY, int chunkZ) {
var res = new HashSet<>(relightSection(instance, chunkX, sectionY, chunkZ, LightType.BLOCK));
res.addAll(relightSection(instance, chunkX, sectionY, chunkZ, LightType.SKY));
return res;
}
private static void relightSection(Instance instance, int chunkX, int sectionY, int chunkZ, LightType type) {
private static Set<Chunk> relightSection(Instance instance, int chunkX, int sectionY, int chunkZ, LightType type) {
Chunk c = instance.getChunk(chunkX, chunkZ);
if (c == null) return;
if (c == null) return Set.of();
synchronized (instance) {
Set<Point> collected = collectRequiredNearby(instance, new Vec(chunkX, sectionY, chunkZ));
// System.out.println("Calculating " + chunkX + " " + sectionY + " " + chunkZ + " | " + collected.size() + " | " + type);
relight(instance, collected, type);
Set<Point> collected = collectRequiredNearby(instance, new Vec(chunkX, sectionY, chunkZ), type);
return relight(instance, collected, type);
}
}
private static void relight(Instance instance, Set<Point> queue, LightType type) {
flushQueue(instance, queue, type, QueueType.INTERNAL);
private static Set<Chunk> relight(Instance instance, Set<Point> queue, LightType type) {
return flushQueue(instance, queue, type, QueueType.INTERNAL);
}
@Override

7
src/main/java/net/minestom/server/instance/light/BlockLight.java
View File

@ -26,7 +26,7 @@ final class BlockLight implements Light {
private byte[] contentPropagation;
private byte[] contentPropagationSwap;
private boolean isValidBorders = true;
private boolean isValidBorders = false;
private boolean needsSend = true;
private Set<Point> toUpdateSet = new HashSet<>();
@ -214,6 +214,11 @@ final class BlockLight implements Light {
return res;
}
@Override
public void setRequiresSend(boolean b) {
this.needsSend = b;
}
private void clearCache() {
this.contentPropagation = null;
isValidBorders = true;

1
src/main/java/net/minestom/server/instance/light/Light.java
View File

@ -27,6 +27,7 @@ public interface Light {
}
boolean requiresSend();
void setRequiresSend(boolean b);
@ApiStatus.Internal
byte[] array();

11
src/main/java/net/minestom/server/instance/light/SkyLight.java
View File

@ -14,9 +14,7 @@ import org.jetbrains.annotations.NotNull;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import static net.minestom.server.instance.light.LightCompute.*;
@ -27,7 +25,7 @@ final class SkyLight implements Light {
private byte[] contentPropagation;
private byte[] contentPropagationSwap;
private boolean isValidBorders = true;
private boolean isValidBorders = false;
private boolean needsSend = true;
private Set<Point> toUpdateSet = new HashSet<>();
@ -59,7 +57,7 @@ final class SkyLight implements Light {
ShortArrayFIFOQueue lightSources = new ShortArrayFIFOQueue();
if (c instanceof LightingChunk lc) {
int[] heightmap = lc.calculateHeightMap();
int[] heightmap = lc.getHeightmap();
int maxY = c.getInstance().getDimensionType().getMinY() + c.getInstance().getDimensionType().getHeight();
int sectionMaxY = (sectionY + 1) * 16 - 1;
int sectionMinY = sectionY * 16;
@ -240,6 +238,11 @@ final class SkyLight implements Light {
return res;
}
@Override
public void setRequiresSend(boolean b) {
this.needsSend = b;
}
private void clearCache() {
this.contentPropagation = null;
isValidBorders = true;