geforkt von Mirrors/Paper
5b6dfb3463
This work is 100% unfinished. I am pushing it up so that we as a team can work on this update. Do not try to use this branch. You will fail.
181 Zeilen
6.9 KiB
Diff
181 Zeilen
6.9 KiB
Diff
From 9f15dcf160d9412793b5069dfa9d92e692ac1abc Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 4 Jul 2018 02:10:36 -0400
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Subject: [PATCH] Store reference to current Chunk for Entity and Block
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Entities
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This enables us a fast reference to the entities current chunk instead
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of having to look it up by hashmap lookups.
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 9500c456d..120e66c78 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -33,7 +33,7 @@ public class Chunk implements IChunkAccess {
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private final BiomeBase[] g;
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private final boolean[] h;
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private final Map<BlockPosition, NBTTagCompound> i;
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- private boolean j;
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+ private boolean j; public boolean isLoaded() { return j; } // Paper - OBFHELPER
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public final World world;
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public final Map<HeightMap.Type, HeightMap> heightMap;
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public final int locX;
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@@ -63,7 +63,30 @@ public class Chunk implements IChunkAccess {
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// CraftBukkit start - Neighbor loaded cache for chunk lighting and entity ticking
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private int neighbors = 0x1 << 12;
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public long chunkKey;
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+ // Paper start
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+ private class TileEntityHashMap extends java.util.HashMap<BlockPosition, TileEntity> {
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+ @Override
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+ public TileEntity put(BlockPosition key, TileEntity value) {
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+ TileEntity replaced = super.put(key, value);
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+ if (replaced != null) {
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+ replaced.setCurrentChunk(null);
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+ }
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+ if (value != null) {
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+ value.setCurrentChunk(Chunk.this);
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+ }
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+ return replaced;
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+ }
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+ @Override
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+ public TileEntity remove(Object key) {
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+ TileEntity removed = super.remove(key);
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+ if (removed != null) {
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+ removed.setCurrentChunk(null);
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+ }
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+ return removed;
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+ }
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+ }
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+ // Paper end
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public boolean areNeighborsLoaded(final int radius) {
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switch (radius) {
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case 2:
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@@ -94,7 +117,7 @@ public class Chunk implements IChunkAccess {
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this.h = new boolean[256];
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this.i = Maps.newHashMap();
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this.heightMap = Maps.newHashMap();
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- this.tileEntities = Maps.newHashMap();
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+ this.tileEntities = new TileEntityHashMap(); // Paper
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this.q = Maps.newHashMap();
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this.r = Maps.newHashMap();
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this.s = new ShortList[16];
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@@ -646,6 +669,9 @@ public class Chunk implements IChunkAccess {
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entity.af = k;
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entity.ag = this.locZ;
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this.entitySlices[k].add(entity);
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+ // Paper start
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+ entity.setCurrentChunk(this);
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+ // Paper end
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}
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public void a(HeightMap.Type heightmap_type, long[] along) {
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@@ -664,8 +690,12 @@ public class Chunk implements IChunkAccess {
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if (i >= this.entitySlices.length) {
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i = this.entitySlices.length - 1;
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}
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-
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- this.entitySlices[i].remove(entity);
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+ // Paper start
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+ if (!this.entitySlices[i].remove(entity)) {
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+ return;
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+ }
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+ entity.setCurrentChunk(null);
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+ // Paper end
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}
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public boolean c(BlockPosition blockposition) {
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 53fc37088..1ef52cc6d 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -1786,6 +1786,40 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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// Paper start
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+
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+ private java.lang.ref.WeakReference<Chunk> currentChunk = null;
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+
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+ public void setCurrentChunk(Chunk chunk) {
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+ this.currentChunk = chunk != null ? new java.lang.ref.WeakReference<>(chunk) : null;
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+ }
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+ /**
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+ * Returns the entities current registered chunk. If the entity is not added to a chunk yet, it will return null
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+ */
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+ public Chunk getCurrentChunk() {
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+ final Chunk chunk = currentChunk != null ? currentChunk.get() : null;
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+ return chunk != null && chunk.isLoaded() ? chunk : null;
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+ }
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+ /**
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+ * Returns the chunk at the location, using the entities local cache if avail
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+ * Will only return null if the location specified is not loaded
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+ */
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+ public Chunk getCurrentChunkAt(int x, int z) {
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+ if (getChunkX() == x && getChunkZ() == z) {
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+ Chunk chunk = getCurrentChunk();
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+ if (chunk != null) {
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+ return chunk;
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+ }
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+ }
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+ return world.getChunkIfLoaded(x, z);
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+ }
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+ /**
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+ * Returns the chunk at the entities current location, using the entities local cache if avail
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+ * Will only return null if the location specified is not loaded
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+ */
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+ public Chunk getChunkAtLocation() {
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+ return getCurrentChunkAt((int)Math.floor(locX) >> 4, (int)Math.floor(locZ) >> 4);
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+ }
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+
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public final MinecraftKey entityKey;
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public final String entityKeyString;
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diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
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index b09325097..b992360ac 100644
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--- a/src/main/java/net/minecraft/server/TileEntity.java
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+++ b/src/main/java/net/minecraft/server/TileEntity.java
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@@ -38,6 +38,15 @@ public abstract class TileEntity implements KeyedObject {
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public String getMinecraftKeyString() {
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return tileEntityKeyString;
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}
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+
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+ private java.lang.ref.WeakReference<Chunk> currentChunk = null;
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+ public Chunk getCurrentChunk() {
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+ final Chunk chunk = currentChunk != null ? currentChunk.get() : world.getChunkIfLoaded(position.getX() >> 4, position.getZ() >> 4);
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+ return chunk != null && chunk.isLoaded() ? chunk : null;
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+ }
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+ public void setCurrentChunk(Chunk chunk) {
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+ this.currentChunk = chunk != null ? new java.lang.ref.WeakReference<>(chunk) : null;
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+ }
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// Paper end
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@Nullable
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 70143c4d3..1e3675e4f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -9,6 +9,7 @@ import java.util.UUID;
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import net.minecraft.server.*;
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+import org.bukkit.Chunk;
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import org.bukkit.EntityEffect;
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import org.bukkit.Location;
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import org.bukkit.Server;
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@@ -40,6 +41,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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this.entity = entity;
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}
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+ @Override
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+ public Chunk getChunk() {
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+ net.minecraft.server.Chunk currentChunk = entity.getCurrentChunk();
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+ return currentChunk != null ? currentChunk.bukkitChunk : getLocation().getChunk();
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+ }
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+
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public static CraftEntity getEntity(CraftServer server, Entity entity) {
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/**
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* Order is *EXTREMELY* important -- keep it right! =D
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--
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2.18.0
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