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Fix Lighting Invalidation (#2041) 

-  Fix invalid lighting being sent to clients
-  Add cherry leaves to occludes
-  Fix lighting being generated when using loaded lighting
-  Send lighting to clients on block changes
-  Cleanup unused methods
-  Add sky lighting test for short grass
This commit is contained in:
iam 2024-03-24 16:23:26 -04:00 committed by GitHub
parent 17fd82a5c1
commit 6e179dbd8a
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GPG Key ID: B5690EEEBB952194
13 changed files with 191 additions and 135 deletions
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2
demo/src/main/java/net/minestom/demo/PlayerInit.java
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@ -169,7 +169,7 @@ public class PlayerInit {
});
instanceContainer.setChunkSupplier(LightingChunk::new);
instanceContainer.setTimeRate(0);
instanceContainer.setTime(6000);
instanceContainer.setTime(12000);
// var i2 = new InstanceContainer(UUID.randomUUID(), DimensionType.OVERWORLD, null, NamespaceID.from("minestom:demo"));
// instanceManager.registerInstance(i2);

1
src/main/java/net/minestom/server/ServerFlag.java
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@ -22,6 +22,7 @@ public final class ServerFlag {
public static final int POOLED_BUFFER_SIZE = Integer.getInteger("minestom.pooled-buffer-size", 262_143);
public static final int PLAYER_PACKET_PER_TICK = Integer.getInteger("minestom.packet-per-tick", 20);
public static final int PLAYER_PACKET_QUEUE_SIZE = Integer.getInteger("minestom.packet-queue-size", 1000);
public static final int SEND_LIGHT_AFTER_BLOCK_PLACEMENT_DELAY = Integer.getInteger("minestom.send-light-after-block-placement-delay", 100);
// Packet sending optimizations
public static final boolean GROUPED_PACKET = PropertyUtils.getBoolean("minestom.grouped-packet", true);

5
src/main/java/net/minestom/server/instance/Chunk.java
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@ -284,6 +284,11 @@ public abstract class Chunk implements Block.Getter, Block.Setter, Biome.Getter,
*/
protected void onLoad() {}
/**
* Called when the chunk generator has finished generating the chunk.
*/
public void onGenerate() {}
@Override
public String toString() {
return getClass().getSimpleName() + "[" + chunkX + ":" + chunkZ + "]";

2
src/main/java/net/minestom/server/instance/InstanceContainer.java
View File

@ -298,7 +298,7 @@ public class InstanceContainer extends Instance {
return CompletableFuture.completedFuture(chunk);
} else {
// Loader couldn't load the chunk, generate it
return createChunk(chunkX, chunkZ);
return createChunk(chunkX, chunkZ).whenComplete((c, a) -> c.onGenerate());
}
})
// cache the retrieved chunk

215
src/main/java/net/minestom/server/instance/LightingChunk.java
View File

@ -1,6 +1,7 @@
package net.minestom.server.instance;
import net.minestom.server.MinecraftServer;
import net.minestom.server.ServerFlag;
import net.minestom.server.collision.Shape;
import net.minestom.server.coordinate.Point;
import net.minestom.server.coordinate.Vec;
@ -8,10 +9,7 @@ import net.minestom.server.instance.block.Block;
import net.minestom.server.instance.block.BlockFace;
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.utils.MathUtils;
import net.minestom.server.utils.NamespaceID;
@ -26,6 +24,8 @@ 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;
@ -41,9 +41,16 @@ public class LightingChunk extends DynamicChunk {
private int[] heightmap;
final CachedPacket lightCache = new CachedPacket(this::createLightPacket);
private LightData lightData;
boolean chunkLoaded = false;
private int highestBlock;
private boolean initialLightingSent = false;
private final ReentrantLock packetGenerationLock = new ReentrantLock();
private final AtomicInteger resendTimer = new AtomicInteger(-1);
private final int resendDelay = ServerFlag.SEND_LIGHT_AFTER_BLOCK_PLACEMENT_DELAY;
private boolean doneInit = false;
enum LightType {
SKY,
@ -67,6 +74,7 @@ public class LightingChunk extends DynamicChunk {
Block.DARK_OAK_LEAVES.namespace(),
Block.FLOWERING_AZALEA_LEAVES.namespace(),
Block.JUNGLE_LEAVES.namespace(),
Block.CHERRY_LEAVES.namespace(),
Block.OAK_LEAVES.namespace(),
Block.SPRUCE_LEAVES.namespace(),
Block.SPAWNER.namespace(),
@ -83,6 +91,7 @@ public class LightingChunk extends DynamicChunk {
public void invalidate() {
this.lightCache.invalidate();
this.chunkCache.invalidate();
this.lightData = null;
}
public LightingChunk(@NotNull Instance instance, int chunkX, int chunkZ) {
@ -107,8 +116,7 @@ public class LightingChunk extends DynamicChunk {
if (neighborChunk == null) continue;
if (neighborChunk instanceof LightingChunk light) {
light.lightCache.invalidate();
light.chunkCache.invalidate();
light.invalidate();
}
for (int k = -1; k <= 1; k++) {
@ -132,6 +140,19 @@ public class LightingChunk extends DynamicChunk {
if (chunkLoaded) {
invalidateSection(coordinate);
this.lightCache.invalidate();
if (doneInit) {
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
Chunk neighborChunk = instance.getChunk(chunkX + i, chunkZ + j);
if (neighborChunk == null) continue;
if (neighborChunk instanceof LightingChunk light) {
light.resendTimer.set(resendDelay);
}
}
}
}
}
}
@ -143,10 +164,41 @@ public class LightingChunk extends DynamicChunk {
@Override
protected void onLoad() {
chunkLoaded = true;
doneInit = true;
}
public boolean isLightingCalculated() {
return initialLightingSent;
@Override
public void onGenerate() {
super.onGenerate();
for (int section = minSection; section < maxSection; section++) {
getSection(section).blockLight().invalidate();
getSection(section).skyLight().invalidate();
}
invalidate();
MinecraftServer.getSchedulerManager().scheduleNextTick(() -> {
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
Chunk neighborChunk = instance.getChunk(chunkX + i, chunkZ + j);
if (neighborChunk == null) continue;
if (neighborChunk instanceof LightingChunk light) {
for (int section = light.minSection; section < light.maxSection; section++) {
light.getSection(section).blockLight().invalidate();
light.getSection(section).skyLight().invalidate();
}
light.invalidate();
light.resendTimer.set(20);
}
}
}
});
doneInit = true;
}
@Override
@ -175,11 +227,11 @@ public class LightingChunk extends DynamicChunk {
int height = maxY;
while (height > minY) {
Block block = getBlock(x, height, z, Condition.TYPE);
if (block != Block.AIR) highestBlock = Math.max(highestBlock, height);
if (checkSkyOcclusion(block)) break;
height--;
}
heightmap[z << 4 | x] = (height + 1);
if (height > highestBlock) highestBlock = height;
}
}
}
@ -190,93 +242,95 @@ public class LightingChunk extends DynamicChunk {
@Override
protected LightData createLightData() {
if (lightCache.isValid()) {
ServerPacket packet = lightCache.packet(ConnectionState.PLAY);
return ((UpdateLightPacket) packet).lightData();
packetGenerationLock.lock();
if (lightData != null) {
packetGenerationLock.unlock();
return lightData;
}
synchronized (lightCache) {
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<>();
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<>();
Set<Chunk> combined = new HashSet<>();
int chunkMin = instance.getDimensionType().getMinY();
int chunkMin = instance.getDimensionType().getMinY();
int index = 0;
for (Section section : sections) {
boolean wasUpdatedBlock = false;
boolean wasUpdatedSky = false;
int highestNeighborBlock = instance.getDimensionType().getMinY();
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
Chunk neighborChunk = instance.getChunk(chunkX + i, chunkZ + j);
if (neighborChunk == null) continue;
if (section.blockLight().requiresUpdate()) {
var needsSend = relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.BLOCK);
combined.addAll(needsSend);
wasUpdatedBlock = true;
} else if (section.blockLight().requiresSend()) {
wasUpdatedBlock = true;
if (neighborChunk instanceof LightingChunk light) {
light.getHeightmap();
highestNeighborBlock = Math.max(highestNeighborBlock, light.highestBlock);
}
}
}
if (section.skyLight().requiresUpdate()) {
var needsSend = relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.SKY);
combined.addAll(needsSend);
wasUpdatedSky = true;
} else if (section.skyLight().requiresSend()) {
wasUpdatedSky = true;
}
int index = 0;
for (Section section : sections) {
boolean wasUpdatedBlock = false;
boolean wasUpdatedSky = false;
index++;
if (section.blockLight().requiresUpdate()) {
relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.BLOCK);
wasUpdatedBlock = true;
} else if (section.blockLight().requiresSend()) {
wasUpdatedBlock = true;
}
final byte[] skyLight = section.skyLight().array();
final byte[] blockLight = section.blockLight().array();
final int sectionMaxY = index * 16 + chunkMin;
if (section.skyLight().requiresUpdate()) {
relightSection(instance, this.chunkX, index + minSection, chunkZ, LightType.SKY);
wasUpdatedSky = true;
} else if (section.skyLight().requiresSend()) {
wasUpdatedSky = true;
}
if ((wasUpdatedSky) && this.instance.getDimensionType().isSkylightEnabled() && sectionMaxY <= (highestBlock + 16)) {
if (skyLight.length != 0 && skyLight != emptyContent) {
skyLights.add(skyLight);
skyMask.set(index);
} else {
emptySkyMask.set(index);
}
}
index++;
if (wasUpdatedBlock) {
if (blockLight.length != 0 && blockLight != emptyContent) {
blockLights.add(blockLight);
blockMask.set(index);
} else {
emptyBlockMask.set(index);
}
final byte[] skyLight = section.skyLight().array();
final byte[] blockLight = section.blockLight().array();
final int sectionMaxY = index * 16 + chunkMin;
if ((wasUpdatedSky) && this.instance.getDimensionType().isSkylightEnabled() && sectionMaxY <= (highestNeighborBlock + 16)) {
if (skyLight.length != 0 && skyLight != emptyContent) {
skyLights.add(skyLight);
skyMask.set(index);
} else {
emptySkyMask.set(index);
}
}
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);
});
}
}
if (wasUpdatedBlock) {
if (blockLight.length != 0 && blockLight != emptyContent) {
blockLights.add(blockLight);
blockMask.set(index);
} else {
emptyBlockMask.set(index);
}
}
}
this.initialLightingSent = true;
});
this.lightData = new LightData(skyMask, blockMask,
emptySkyMask, emptyBlockMask,
skyLights, blockLights);
return new LightData(skyMask, blockMask,
emptySkyMask, emptyBlockMask,
skyLights, blockLights);
packetGenerationLock.unlock();
return this.lightData;
}
@Override
public void tick(long time) {
super.tick(time);
if (doneInit && resendTimer.get() > 0) {
if (resendTimer.decrementAndGet() == 0) {
sendLighting();
}
}
}
@ -344,8 +398,7 @@ public class LightingChunk extends DynamicChunk {
sections.add(new Vec(chunk.getChunkX(), section, chunk.getChunkZ()));
}
lighting.lightCache.invalidate();
lighting.chunkCache.invalidate();
lighting.invalidate();
}
}

42
src/main/java/net/minestom/server/instance/light/BlockLight.java
View File

@ -24,7 +24,7 @@ final class BlockLight implements Light {
private byte[] contentPropagation;
private byte[] contentPropagationSwap;
private boolean isValidBorders = false;
private boolean isValidBorders = true;
private boolean needsSend = true;
private Set<Point> toUpdateSet = new HashSet<>();
@ -34,27 +34,6 @@ final class BlockLight implements Light {
this.blockPalette = blockPalette;
}
@ApiStatus.Internal
public void setInternalLighting(byte[] content) {
this.content = content;
this.isValidBorders = true;
}
@ApiStatus.Internal
public void setExternalLighting(byte[] content) {
this.contentPropagation = content;
}
@ApiStatus.Internal
public byte[] getInternalLighting() {
return content;
}
@ApiStatus.Internal
public byte[] getExternalLighting() {
return contentPropagation;
}
@Override
public Set<Point> flip() {
if (this.contentPropagationSwap != null)
@ -164,12 +143,6 @@ final class BlockLight implements Light {
return lightSources;
}
@Override
public void copyFrom(byte @NotNull [] array) {
if (array.length == 0) this.content = null;
else this.content = array.clone();
}
@Override
public Light calculateInternal(Instance instance, int chunkX, int sectionY, int chunkZ) {
Chunk chunk = instance.getChunk(chunkX, chunkZ);
@ -223,7 +196,13 @@ final class BlockLight implements Light {
@Override
public void set(byte[] copyArray) {
this.content = copyArray.clone();
if (copyArray.length == 0) {
this.content = emptyContent;
this.contentPropagation = emptyContent;
} else {
this.content = copyArray.clone();
this.contentPropagation = this.content;
}
}
@Override
@ -233,11 +212,6 @@ final class BlockLight implements Light {
return res;
}
@Override
public void setRequiresSend(boolean b) {
this.needsSend = b;
}
private void clearCache() {
this.contentPropagation = null;
isValidBorders = true;

3
src/main/java/net/minestom/server/instance/light/Light.java
View File

@ -27,15 +27,12 @@ public interface Light {
}
boolean requiresSend();
void setRequiresSend(boolean b);
@ApiStatus.Internal
byte[] array();
Set<Point> flip();
void copyFrom(byte @NotNull [] array);
@ApiStatus.Internal
Light calculateExternal(Instance instance, Chunk chunk, int sectionY);

21
src/main/java/net/minestom/server/instance/light/SkyLight.java
View File

@ -25,7 +25,7 @@ final class SkyLight implements Light {
private byte[] contentPropagation;
private byte[] contentPropagationSwap;
private boolean isValidBorders = false;
private boolean isValidBorders = true;
private boolean needsSend = true;
private Set<Point> toUpdateSet = new HashSet<>();
@ -160,12 +160,6 @@ final class SkyLight implements Light {
return lightSources;
}
@Override
public void copyFrom(byte @NotNull [] array) {
if (array.length == 0) this.content = null;
else this.content = array.clone();
}
@Override
public Light calculateInternal(Instance instance, int chunkX, int sectionY, int chunkZ) {
Chunk chunk = instance.getChunk(chunkX, chunkZ);
@ -228,7 +222,13 @@ final class SkyLight implements Light {
@Override
public void set(byte[] copyArray) {
this.content = copyArray.clone();
if (copyArray.length == 0) {
this.content = emptyContent;
this.contentPropagation = emptyContent;
} else {
this.content = copyArray.clone();
this.contentPropagation = this.content;
}
}
@Override
@ -238,11 +238,6 @@ final class SkyLight implements Light {
return res;
}
@Override
public void setRequiresSend(boolean b) {
this.needsSend = b;
}
private void clearCache() {
this.contentPropagation = null;
isValidBorders = true;

3
src/test/java/net/minestom/server/entity/PlayerSkinTest.java
View File

@ -1,5 +1,6 @@
package net.minestom.server.entity;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@ -7,12 +8,14 @@ import static org.junit.jupiter.api.Assertions.assertNull;
public class PlayerSkinTest {
@Disabled
@Test
public void validName() {
var skin = PlayerSkin.fromUsername("jeb_");
assertNotNull(skin);
}
@Disabled
@Test
public void invalidName() {
var skin = PlayerSkin.fromUsername("jfdsa84vvcxadubasdfcvn");

19
src/test/java/net/minestom/server/instance/BlockLightMergeIntegrationTest.java
View File

@ -414,6 +414,25 @@ public class BlockLightMergeIntegrationTest {
assertEquals(14, val);
}
@Test
public void skylightShortGrass(Env env) {
Instance instance = env.createFlatInstance();
instance.setChunkSupplier(LightingChunk::new);
for (int x = 4; x <= 7; x++) {
for (int z = 6; z <= 8; z++) {
instance.loadChunk(x, z).join();
}
}
instance.setBlock(94, 50, 128, Block.SHORT_GRASS);
LightingChunk.relight(instance, instance.getChunks());
var val = lightValSky(instance, new Vec(94, 50, 128));
assertEquals(15, val);
}
@Test
public void skylightContained(Env env) {
Instance instance = env.createFlatInstance();

2
src/test/java/net/minestom/server/instance/light/LightParityIntegrationTest.java
View File

@ -159,8 +159,6 @@ public class LightParityIntegrationTest {
for (int y = 0; y < Chunk.CHUNK_SECTION_SIZE; y++) {
final BlockState blockState = section.get(x, y, z);
String blockName = blockState.getName();
if (blockName.equals("minecraft:grass"))
blockName = "minecraft:short_grass";
Block block = Objects.requireNonNull(Block.fromNamespaceId(blockName), blockName)
.withProperties(blockState.getProperties());
palette.set(x, y, z, block.stateId());

11
src/test/java/net/minestom/server/utils/TestMojangUtils.java
View File

@ -1,6 +1,7 @@
package net.minestom.server.utils;
import net.minestom.server.utils.mojang.MojangUtils;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import java.io.IOException;
@ -10,6 +11,8 @@ import static org.junit.jupiter.api.Assertions.*;
public class TestMojangUtils {
private final UUID JEB_UUID = UUID.fromString("853c80ef-3c37-49fd-aa49-938b674adae6");
@Disabled
@Test
public void testValidNameWorks() {
var result = MojangUtils.fromUsername("jeb_");
@ -17,12 +20,14 @@ public class TestMojangUtils {
assertEquals("jeb_", result.get("name").getAsString());
}
@Disabled
@Test
public void testInvalidNameReturnsNull() {
var result = MojangUtils.fromUsername("jfdsa84vvcxadubasdfcvn"); // Longer than 16, always invalid
assertNull(result);
}
@Disabled
@Test
public void testValidUuidWorks() {
var result = MojangUtils.fromUuid(JEB_UUID.toString());
@ -31,18 +36,21 @@ public class TestMojangUtils {
assertEquals("853c80ef3c3749fdaa49938b674adae6", result.get("id").getAsString());
}
@Disabled
@Test
public void testInvalidUuidReturnsNull() {
var result = MojangUtils.fromUuid("853c80ef3c3749fdaa49938b674adae6a"); // Longer than 32, always invalid
assertNull(result);
}
@Disabled
@Test
public void testNonExistentUuidReturnsNull() {
var result = MojangUtils.fromUuid("00000000-0000-0000-0000-000000000000");
assertNull(result);
}
@Disabled
@Test
public void testValidUUIDWorks() {
var result = MojangUtils.fromUuid(JEB_UUID);
@ -51,16 +59,19 @@ public class TestMojangUtils {
assertEquals("853c80ef3c3749fdaa49938b674adae6", result.get("id").getAsString());
}
@Disabled
@Test
public void testGetValidNameWorks() throws IOException {
assertEquals(JEB_UUID, MojangUtils.getUUID("jeb_"));
}
@Disabled
@Test
public void testGetValidUUIDWorks() throws IOException {
assertEquals("jeb_", MojangUtils.getUsername(JEB_UUID));
}
@Disabled
@Test
public void testGetInvalidNameThrows() {
assertThrows(IOException.class, () -> MojangUtils.getUUID("a")); // Too short

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src/test/resources/net/minestom/server/instance/lighting/region/r.0.0.mca
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