Paper/patches/server/0125-Provide-E-TE-Chunk-count-stat-methods.patch
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more work
2021-06-12 11:22:46 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 7 Jan 2017 15:24:46 -0500
Subject: [PATCH] Provide E/TE/Chunk count stat methods
Provides counts without the ineffeciency of using .getEntities().size()
which creates copy of the collections.
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 8323ddb363f49d266dd95f11241a30a9a27250aa..2cd34f326f374e3ad46a4eea8c84be326cd489a0 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -173,7 +173,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
public static final BlockPos END_SPAWN_POINT = new BlockPos(100, 50, 0);
private static final Logger LOGGER = LogManager.getLogger();
private static final int EMPTY_TIME_NO_TICK = 300;
- final List<ServerPlayer> players;
+ final List<ServerPlayer> players; public final int getPlayerListSize() { return this.players.size(); } // Paper
public final ServerChunkCache chunkSource; // Paper - public
private final MinecraftServer server;
public final PrimaryLevelData serverLevelData; // CraftBukkit - type
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 52d80086deff664fcfd8952b7cabbfa1f48ad131..a86b5272c0ac4dd64f796f7fd025c7a34a5d2f8d 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -110,7 +110,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public static final int TICKS_PER_DAY = 24000;
public static final int MAX_ENTITY_SPAWN_Y = 20000000;
public static final int MIN_ENTITY_SPAWN_Y = -20000000;
- protected final List<TickingBlockEntity> blockEntityTickers = Lists.newArrayList();
+ protected final List<TickingBlockEntity> blockEntityTickers = Lists.newArrayList(); public final int getTotalTileEntityTickers() { return this.blockEntityTickers.size(); } // Paper
private final List<TickingBlockEntity> pendingBlockEntityTickers = Lists.newArrayList();
private boolean tickingBlockEntities;
public final Thread thread;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 5133febf4b3a83b2870fee2f9e45b1d12894df54..e11a1a21bff1fc5e730d6c63c5b0c623b3b2e037 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -270,6 +270,57 @@ public class CraftWorld implements World {
private int waterAmbientSpawn = -1;
private int ambientSpawn = -1;
+ // Paper start - Provide fast information methods
+ @Override
+ public int getEntityCount() {
+ int ret = 0;
+ for (net.minecraft.world.entity.Entity entity : world.getEntities().getAll()) {
+ if (entity.isChunkLoaded()) {
+ ++ret;
+ }
+ }
+ return ret;
+ }
+
+ @Override
+ public int getTileEntityCount() {
+ // We don't use the full world tile entity list, so we must iterate chunks
+ Long2ObjectLinkedOpenHashMap<ChunkHolder> chunks = world.getChunkSource().chunkMap.visibleChunkMap;
+ int size = 0;
+ for (ChunkHolder playerchunk : chunks.values()) {
+ net.minecraft.world.level.chunk.LevelChunk chunk = playerchunk.getTickingChunk();
+ if (chunk == null) {
+ continue;
+ }
+ size += chunk.blockEntities.size();
+ }
+ return size;
+ }
+
+ @Override
+ public int getTickableTileEntityCount() {
+ return world.getTotalTileEntityTickers();
+ }
+
+ @Override
+ public int getChunkCount() {
+ int ret = 0;
+
+ for (ChunkHolder chunkHolder : world.getChunkSource().chunkMap.visibleChunkMap.values()) {
+ if (chunkHolder.getTickingChunk() != null) {
+ ++ret;
+ }
+ }
+
+ return ret;
+ }
+
+ @Override
+ public int getPlayerCount() {
+ return world.getPlayerListSize();
+ }
+ // Paper end
+
private static final Random rand = new Random();
public CraftWorld(ServerLevel world, ChunkGenerator gen, Environment env) {