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trying to optimize blockconnectionstorage

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creeper123123321 2019-01-15 11:01:45 -02:00
parent 9ba70424e8
commit de11f1f90b
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1 changed files with 94 additions and 30 deletions
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common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/storage/BlockConnectionStorage.java
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@ -1,39 +1,62 @@
package us.myles.ViaVersion.protocols.protocol1_13to1_12_2.storage;
import lombok.Data;
import lombok.EqualsAndHashCode;
import us.myles.ViaVersion.api.Pair;
import us.myles.ViaVersion.api.Via;
import us.myles.ViaVersion.api.data.StoredObject;
import us.myles.ViaVersion.api.data.UserConnection;
import us.myles.ViaVersion.api.minecraft.Position;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
public class BlockConnectionStorage extends StoredObject {
private Map<Pair<Integer, Integer>, Map<BlockPositon, Integer>> blockStorage = new HashMap<>();
private Map<Long, Map<Long, Short>> blockStorage = createLongObjectMap();
private static Class<?> fastUtilLongObjectHashMap;
private static Class<?> fastUtilLongShortHashMap;
private static Class<?> nettyLongObjectHashMap;
static {
try {
fastUtilLongObjectHashMap = Class.forName("it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap");
Via.getPlatform().getLogger().info("Using FastUtil Long2ObjectOpenHashMap for block connections");
} catch (ClassNotFoundException ignored) {
}
try {
fastUtilLongShortHashMap = Class.forName("it.unimi.dsi.fastutil.longs.Long2ShortOpenHashMap");
Via.getPlatform().getLogger().info("Using FastUtil Long2ShortOpenHashMap for block connections");
} catch (ClassNotFoundException ignored) {
}
if (fastUtilLongShortHashMap == null && fastUtilLongObjectHashMap == null) {
try {
nettyLongObjectHashMap = Class.forName("io.netty.util.collection.LongObjectHashMap");
Via.getPlatform().getLogger().info("Using Netty LongObjectHashMap for block connections");
} catch (ClassNotFoundException ignored) {
}
}
}
public BlockConnectionStorage(UserConnection user) {
super(user);
}
public void store(Position position, int blockState) {
Pair pair = getPair(position);
Map<BlockPositon, Integer> map = getChunkMap(pair);
map.put(new BlockPositon(position), blockState);
long pair = getChunkIndex(position);
Map<Long, Short> map = getChunkMap(pair);
map.put(encodeBlockPos(position), (short) blockState);
}
public int get(Position position) {
Pair pair = getPair(position);
Map<BlockPositon, Integer> map = getChunkMap(pair);
BlockPositon blockPositon = new BlockPositon(position);
long pair = getChunkIndex(position);
Map<Long, Short> map = getChunkMap(pair);
long blockPositon = encodeBlockPos(position);
return map.containsKey(blockPositon) ? map.get(blockPositon) : 0;
}
public void remove(Position position) {
Pair pair = getPair(position);
Map<BlockPositon, Integer> map = getChunkMap(pair);
map.remove(new BlockPositon(position));
long pair = getChunkIndex(position);
Map<Long, Short> map = getChunkMap(pair);
map.remove(encodeBlockPos(position));
if (map.isEmpty()) {
blockStorage.remove(pair);
}
@ -44,33 +67,74 @@ public class BlockConnectionStorage extends StoredObject {
}
public void unloadChunk(int x, int z) {
blockStorage.remove(new Pair<>(x, z));
blockStorage.remove(getChunkIndex(x, z));
}
private Map<BlockPositon, Integer> getChunkMap(Pair pair) {
Map<BlockPositon, Integer> map = blockStorage.get(pair);
private Map<Long, Short> getChunkMap(long index) {
Map<Long, Short> map = blockStorage.get(index);
if (map == null) {
map = new HashMap<>();
blockStorage.put(pair, map);
map = createLongShortMap();
blockStorage.put(index, map);
}
return map;
}
private Pair<Integer, Integer> getPair(Position position) {
int chunkX = (int) (position.getX() >> 4);
int chunkZ = (int) (position.getZ() >> 4);
return new Pair<>(chunkX, chunkZ);
private long getChunkIndex(int x, int z) {
return (long) x << 32 | (z & 0xFFFFFFFFL);
}
@EqualsAndHashCode
@Data
private class BlockPositon {
int x, y, z;
private long getChunkIndex(Position position) {
return getChunkIndex(position.getX().intValue(), position.getZ().intValue());
}
public BlockPositon(Position position) {
x = position.getX().intValue();
y = position.getY().intValue();
z = position.getZ().intValue();
private long encodeBlockPos(int x, int y, int z) {
return (((long) x & 0x3FFFFFF) << 38) | ((y & 0xFFF) << 26) | (z & 0x3FFFFFF);
}
private long encodeBlockPos(Position pos) {
return encodeBlockPos(pos.getX().intValue(), pos.getY().intValue(), pos.getZ().intValue());
}
private <T> Map<Long, T> createLongObjectMap() {
if (fastUtilLongObjectHashMap != null) {
try {
return (Map<Long, T>) fastUtilLongObjectHashMap.getConstructor().newInstance();
} catch (IllegalAccessException | InstantiationException | InvocationTargetException | NoSuchMethodException e) {
e.printStackTrace();
}
}
if (nettyLongObjectHashMap != null) {
try {
return (Map<Long, T>) nettyLongObjectHashMap.getConstructor().newInstance();
} catch (IllegalAccessException | InstantiationException | InvocationTargetException | NoSuchMethodException e) {
e.printStackTrace();
}
}
return new HashMap<>();
}
private Map<Long, Short> createLongShortMap() {
if (fastUtilLongShortHashMap != null) {
try {
return (Map<Long, Short>) fastUtilLongShortHashMap.getConstructor().newInstance();
} catch (IllegalAccessException | InstantiationException | InvocationTargetException | NoSuchMethodException e) {
e.printStackTrace();
}
}
if (fastUtilLongObjectHashMap != null) {
try {
return (Map<Long, Short>) fastUtilLongObjectHashMap.getConstructor().newInstance();
} catch (IllegalAccessException | InstantiationException | InvocationTargetException | NoSuchMethodException e) {
e.printStackTrace();
}
}
if (nettyLongObjectHashMap != null) {
try {
return (Map<Long, Short>) nettyLongObjectHashMap.getConstructor().newInstance();
} catch (IllegalAccessException | InstantiationException | InvocationTargetException | NoSuchMethodException e) {
e.printStackTrace();
}
}
return new HashMap<>();
}
}