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If the garbage collector is happy, everyone is - TheMode

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themode 2020-11-15 08:03:33 +01:00
parent 47a18fc305
commit 2285c9622a
5 changed files with 81 additions and 52 deletions
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3
src/main/java/net/minestom/server/entity/Entity.java
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@ -597,10 +597,9 @@ public abstract class Entity implements Viewable, EventHandler, DataContainer, P
/**
* Each entity has an unique id (server-wide) which will change after a restart.
* <p>
* All entities can be retrieved by calling {@link Entity#getEntity(int)}.
*
* @return the unique entity id
* @see Entity#getEntity(int) to retrive an entity based on its id
*/
public int getEntityId() {
return id;

112
src/main/java/net/minestom/server/instance/batch/ChunkBatch.java
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@ -1,11 +1,18 @@
package net.minestom.server.instance.batch;
import kotlin.collections.ArrayDeque;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.unimi.dsi.fastutil.longs.LongList;
import net.minestom.server.data.Data;
import net.minestom.server.instance.*;
import net.minestom.server.instance.block.CustomBlock;
import net.minestom.server.utils.block.CustomBlockUtils;
import net.minestom.server.utils.callback.OptionalCallback;
import net.minestom.server.utils.chunk.ChunkCallback;
import net.minestom.server.utils.chunk.ChunkUtils;
import net.minestom.server.utils.validate.Check;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
@ -21,48 +28,68 @@ import java.util.List;
*/
public class ChunkBatch implements InstanceBatch {
private static final int INITIAL_SIZE = (Chunk.CHUNK_SIZE_X * Chunk.CHUNK_SIZE_Y * Chunk.CHUNK_SIZE_Z) / 2;
private final InstanceContainer instance;
private final Chunk chunk;
// Need to be synchronized manually
private final ArrayDeque<BlockData> dataList = new ArrayDeque<>(INITIAL_SIZE);
// Format: blockIndex/blockStateId/customBlockId (32/16/16 bits)
private final LongList blocks = new LongArrayList();
public ChunkBatch(InstanceContainer instance, Chunk chunk) {
// Need to be synchronized manually
// block index - data
private final Int2ObjectMap<Data> blockDataMap = new Int2ObjectOpenHashMap<>();
public ChunkBatch(@NotNull InstanceContainer instance, @NotNull Chunk chunk) {
this.instance = instance;
this.chunk = chunk;
}
@Override
public void setBlockStateId(int x, int y, int z, short blockStateId, Data data) {
public void setBlockStateId(int x, int y, int z, short blockStateId, @Nullable Data data) {
addBlockData((byte) x, y, (byte) z, blockStateId, (short) 0, data);
}
@Override
public void setCustomBlock(int x, int y, int z, short customBlockId, Data data) {
public void setCustomBlock(int x, int y, int z, short customBlockId, @Nullable Data data) {
final CustomBlock customBlock = BLOCK_MANAGER.getCustomBlock(customBlockId);
Check.notNull(customBlock, "The custom block with the id " + customBlockId + " does not exist!");
addBlockData((byte) x, y, (byte) z, customBlock.getDefaultBlockStateId(), customBlockId, data);
}
@Override
public void setSeparateBlocks(int x, int y, int z, short blockStateId, short customBlockId, Data data) {
public void setSeparateBlocks(int x, int y, int z, short blockStateId, short customBlockId, @Nullable Data data) {
addBlockData((byte) x, y, (byte) z, blockStateId, customBlockId, data);
}
private void addBlockData(byte x, int y, byte z, short blockStateId, short customBlockId, Data data) {
// TODO store a single long with bitwise operators (xyz;boolean,short,short,boolean) with the data in a map
final BlockData blockData = new BlockData(x, y, z, blockStateId, customBlockId, data);
synchronized (dataList) {
this.dataList.add(blockData);
private void addBlockData(byte x, int y, byte z, short blockStateId, short customBlockId, @Nullable Data data) {
final int index = ChunkUtils.getBlockIndex(x, y, z);
if (data != null) {
synchronized (blockDataMap) {
this.blockDataMap.put(index, data);
}
}
long value = index;
value = (value << 16) | blockStateId;
value = (value << 16) | customBlockId;
synchronized (blocks) {
this.blocks.add(value);
}
}
public void flushChunkGenerator(ChunkGenerator chunkGenerator, @Nullable ChunkCallback callback) {
BLOCK_BATCH_POOL.execute(() -> {
final List<ChunkPopulator> populators = chunkGenerator.getPopulators();
final boolean hasPopulator = populators != null && !populators.isEmpty();
public void flushChunkGenerator(@NotNull ChunkGenerator chunkGenerator, @Nullable ChunkCallback callback) {
final List<ChunkPopulator> populators = chunkGenerator.getPopulators();
final boolean hasPopulator = populators != null && !populators.isEmpty();
// Check if there is anything to process
if (blocks.isEmpty() && !hasPopulator) {
OptionalCallback.execute(callback, chunk);
return;
}
BLOCK_BATCH_POOL.execute(() -> {
chunkGenerator.generateChunkData(this, chunk.getChunkX(), chunk.getChunkZ());
singleThreadFlush(hasPopulator ? null : callback, true);
@ -104,8 +131,8 @@ public class ChunkBatch implements InstanceBatch {
* Resets the chunk batch by removing all the entries.
*/
public void clearData() {
synchronized (dataList) {
this.dataList.clear();
synchronized (blocks) {
this.blocks.clear();
}
}
@ -116,13 +143,18 @@ public class ChunkBatch implements InstanceBatch {
* @param safeCallback true to run the callback in the instance update thread, otherwise run in the current one
*/
private void singleThreadFlush(@Nullable ChunkCallback callback, boolean safeCallback) {
if (blocks.isEmpty()) {
OptionalCallback.execute(callback, chunk);
return;
}
synchronized (chunk) {
if (!chunk.isLoaded())
return;
synchronized (dataList) {
for (BlockData data : dataList) {
data.apply(chunk);
synchronized (blocks) {
for (long block : blocks) {
apply(chunk, block);
}
}
@ -141,25 +173,29 @@ public class ChunkBatch implements InstanceBatch {
}
}
private static class BlockData {
/**
* Places a block which is encoded in a long.
*
* @param chunk the chunk to place the block on
* @param value the block data
*/
private void apply(@NotNull Chunk chunk, long value) {
final short customBlockId = (short) (value & 0xFF);
final short blockId = (short) (value >> 16 & 0xFF);
final int index = (int) (value >> 32 & 0xFFFF);
private final int x, y, z;
private final short blockStateId;
private final short customBlockId;
private final Data data;
private BlockData(int x, int y, int z, short blockStateId, short customBlockId, @Nullable Data data) {
this.x = x;
this.y = y;
this.z = z;
this.blockStateId = blockStateId;
this.customBlockId = customBlockId;
this.data = data;
Data data = null;
if (!blockDataMap.isEmpty()) {
synchronized (blockDataMap) {
data = blockDataMap.get(index);
}
}
public void apply(Chunk chunk) {
chunk.UNSAFE_setBlock(x, y, z, blockStateId, customBlockId, data, CustomBlockUtils.hasUpdate(customBlockId));
}
chunk.UNSAFE_setBlock(ChunkUtils.blockIndexToChunkPositionX(index),
ChunkUtils.blockIndexToChunkPositionY(index),
ChunkUtils.blockIndexToChunkPositionZ(index),
blockId, customBlockId, data, CustomBlockUtils.hasUpdate(customBlockId));
}

1
src/main/java/net/minestom/server/inventory/Inventory.java
View File

@ -186,7 +186,6 @@ public class Inventory implements InventoryModifier, InventoryClickHandler, View
setItemStackInternal(i, ItemStack.getAirItem());
}
// Send the cleared inventory to viewers
// TODO cached packet with empty content
update();
}

14
src/main/java/net/minestom/server/utils/chunk/ChunkUtils.java
View File

@ -196,9 +196,7 @@ public final class ChunkUtils {
* @return the X coordinate of the block index
*/
public static int blockIndexToPositionX(int index, int chunkX) {
int x = (byte) (index & 0xF);
x += Chunk.CHUNK_SIZE_X * chunkX;
return x;
return (int) blockIndexToChunkPositionX(index) + Chunk.CHUNK_SIZE_X * chunkX;
}
/**
@ -219,9 +217,7 @@ public final class ChunkUtils {
* @return the Z coordinate of the block index
*/
public static int blockIndexToPositionZ(int index, int chunkZ) {
int z = (byte) (index >> 12 & 0xF);
z += Chunk.CHUNK_SIZE_Z * chunkZ;
return z;
return (int) blockIndexToChunkPositionZ(index) + Chunk.CHUNK_SIZE_Z * chunkZ;
}
/**
@ -231,7 +227,7 @@ public final class ChunkUtils {
* @return the chunk position X (O-15) of the specified index
*/
public static byte blockIndexToChunkPositionX(int index) {
return (byte) blockIndexToPositionX(index, 0);
return (byte) (index & 0xF);
}
/**
@ -241,7 +237,7 @@ public final class ChunkUtils {
* @return the chunk position Y (O-255) of the specified index
*/
public static short blockIndexToChunkPositionY(int index) {
return (short) blockIndexToPositionY(index);
return (short) (index >>> 4 & 0xFF);
}
/**
@ -251,7 +247,7 @@ public final class ChunkUtils {
* @return the chunk position Z (O-15) of the specified index
*/
public static byte blockIndexToChunkPositionZ(int index) {
return (byte) blockIndexToPositionZ(index, 0);
return (byte) (index >> 12 & 0xF);
}
}

3
src/test/java/demo/Main.java
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@ -6,7 +6,6 @@ import demo.blocks.UpdatableBlockDemo;
import demo.commands.*;
import net.minestom.server.MinecraftServer;
import net.minestom.server.command.CommandManager;
import net.minestom.server.extras.bungee.BungeeCordProxy;
import net.minestom.server.extras.optifine.OptifineSupport;
import net.minestom.server.instance.block.BlockManager;
import net.minestom.server.instance.block.rule.vanilla.RedstonePlacementRule;
@ -53,7 +52,7 @@ public class Main {
OptifineSupport.enable();
//VelocityProxy.enable("rBeJJ79W4MVU");
BungeeCordProxy.enable();
//BungeeCordProxy.enable();
// MojangAuth.init();