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Purpur/patches/server/0106-Optimize-Chunk-Ticks.patch
William Blake Galbreath fc7824b3a8 Updated Upstream (Paper) 
Upstream has released updates that appears to apply and compile correctly

Paper Changes:
f29c7ebd Improve async login (#3189)
9fd36824 Fix Citizens Player NPC tracking issue - Fixes #3186
0e72de1c Fix Player Tracking issue during join process.
f26362af Load Spawn Chunks Asynchronously and Spiral Out
54f762e2 Load Chunks for Login Asynchronously
f2d1b6e5 Clean up duplicate PlayerInitialSpawnEvent
c2d022d7 Fix Longstanding Broken behavior of PlayerJoinEvent
d0a348b9 Broadcast join messages to console
1ef687a4 Don't crash if player is attempted to be removed from untracked chunk.
c11668ac Make sure the chunk conversion task is executed immediately
26fb7cc3 Fix Chunk Post Processing deadlock risk
2020-04-19 17:06:16 -05:00

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From 8a5c3bee5c877ec56a7a53faeb4acbedb7ae75dd Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Thu, 2 Apr 2020 00:28:06 -0500
Subject: [PATCH] Optimize Chunk Ticks
---
.../minecraft/server/ChunkProviderServer.java | 70 ++++++-------------
.../minecraft/server/EnumCreatureType.java | 14 ++++
.../net/minecraft/server/PlayerChunkMap.java | 30 ++++----
3 files changed, 51 insertions(+), 63 deletions(-)
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index fd84807a5b..1fae431469 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -735,11 +735,12 @@ public class ChunkProviderServer extends IChunkProvider {
int k = this.world.getGameRules().getInt(GameRules.RANDOM_TICK_SPEED);
BlockPosition blockposition = this.world.getSpawn();
// CraftBukkit start - Other mob type spawn tick rate
- boolean spawnAnimalThisTick = world.ticksPerAnimalSpawns != 0L && worlddata.getTime() % world.ticksPerAnimalSpawns == 0L;
- boolean spawnMonsterThisTick = world.ticksPerMonsterSpawns != 0L && worlddata.getTime() % world.ticksPerMonsterSpawns == 0L;
- boolean spawnWaterThisTick = world.ticksPerWaterSpawns != 0L && worlddata.getTime() % world.ticksPerWaterSpawns == 0L;
- boolean spawnAmbientThisTick = world.ticksPerAmbientSpawns != 0L && worlddata.getTime() % world.ticksPerAmbientSpawns == 0L;
- boolean flag2 = spawnAnimalThisTick;
+ // Purpur start
+ EnumCreatureType.CREATURE.setLimitThisTick(world.ticksPerAnimalSpawns != 0L && i % world.ticksPerAnimalSpawns == 0L ? world.getWorld().getAnimalSpawnLimit() : -1);
+ EnumCreatureType.MONSTER.setLimitThisTick(world.ticksPerMonsterSpawns != 0L && i % world.ticksPerMonsterSpawns == 0L ? world.getWorld().getMonsterSpawnLimit() : -1);
+ EnumCreatureType.WATER_CREATURE.setLimitThisTick(world.ticksPerWaterSpawns != 0L && i % world.ticksPerWaterSpawns == 0L ? world.getWorld().getWaterAnimalSpawnLimit() : -1);
+ EnumCreatureType.AMBIENT.setLimitThisTick(world.ticksPerAmbientSpawns != 0L && i % world.ticksPerAmbientSpawns == 0L ? world.getWorld().getAmbientSpawnLimit() : -1);
+ // Purpur end
// CraftBukkit end
this.world.getMethodProfiler().enter("naturalSpawnCount");
@@ -765,15 +766,17 @@ public class ChunkProviderServer extends IChunkProvider {
this.world.timings.countNaturalMobs.stopTiming(); // Paper - timings
this.world.getMethodProfiler().exit();
- //Paper start - call player naturally spawn event
- int chunkRange = world.spigotConfig.mobSpawnRange;
- chunkRange = (chunkRange > world.spigotConfig.viewDistance) ? (byte) world.spigotConfig.viewDistance : chunkRange;
- chunkRange = Math.min(chunkRange, 8);
- for (EntityPlayer entityPlayer : this.world.players) {
- entityPlayer.playerNaturallySpawnedEvent = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(entityPlayer.getBukkitEntity(), (byte) chunkRange);
- entityPlayer.playerNaturallySpawnedEvent.callEvent();
- };
- // Paper end
+ // Purpur start
+ if (com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent.getHandlerList().getRegisteredListeners().length > 0) {
+ // Paper start - call player naturally spawn event
+ byte chunkRange = (byte) Math.min(Math.min(world.spigotConfig.mobSpawnRange, world.spigotConfig.viewDistance), 8);
+ for (EntityPlayer entityPlayer : this.world.players) {
+ entityPlayer.playerNaturallySpawnedEvent = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(entityPlayer.getBukkitEntity(), (byte) chunkRange);
+ entityPlayer.playerNaturallySpawnedEvent.callEvent();
+ }
+ // Paper end
+ }
+ // Purpur end
final int[] chunksTicked = {0}; this.playerChunkMap.forEachVisibleChunk((playerchunk) -> { // Paper - safe iterator incase chunk loads, also no wrapping
Optional<Chunk> optional = ((Either) playerchunk.b().getNow(PlayerChunk.UNLOADED_CHUNK)).left();
@@ -793,40 +796,11 @@ public class ChunkProviderServer extends IChunkProvider {
if (flag1 && (this.allowMonsters || this.allowAnimals) && this.world.getWorldBorder().isInBounds(chunk.getPos()) && !this.playerChunkMap.isOutsideOfRange(chunkcoordintpair, true)) { // Spigot
this.world.getMethodProfiler().enter("spawner");
this.world.timings.mobSpawn.startTiming(); // Spigot
- EnumCreatureType[] aenumcreaturetype1 = aenumcreaturetype;
- int i1 = aenumcreaturetype.length;
-
- for (int j1 = 0; j1 < i1; ++j1) {
- EnumCreatureType enumcreaturetype = aenumcreaturetype1[j1];
-
- // CraftBukkit start - Use per-world spawn limits
- boolean spawnThisTick = true;
- int limit = enumcreaturetype.b();
- switch (enumcreaturetype) {
- case MONSTER:
- spawnThisTick = spawnMonsterThisTick;
- limit = world.getWorld().getMonsterSpawnLimit();
- break;
- case CREATURE:
- spawnThisTick = spawnAnimalThisTick;
- limit = world.getWorld().getAnimalSpawnLimit();
- break;
- case WATER_CREATURE:
- spawnThisTick = spawnWaterThisTick;
- limit = world.getWorld().getWaterAnimalSpawnLimit();
- break;
- case AMBIENT:
- spawnThisTick = spawnAmbientThisTick;
- limit = world.getWorld().getAmbientSpawnLimit();
- break;
- }
-
- if (!spawnThisTick || limit == 0) {
- continue;
- }
- // CraftBukkit end
-
- if (enumcreaturetype != EnumCreatureType.MISC && (!enumcreaturetype.c() || this.allowAnimals) && (enumcreaturetype.c() || this.allowMonsters) && (!enumcreaturetype.d() || flag2)) {
+ // Purpur start
+ for (EnumCreatureType enumcreaturetype : aenumcreaturetype) {
+ int limit = enumcreaturetype.getLimitThisTick();
+ if (limit > 0 && enumcreaturetype != EnumCreatureType.MISC && (!enumcreaturetype.isFriendly() || this.allowAnimals) && (enumcreaturetype.isFriendly() || this.allowMonsters)) {
+ // Purpur end
int k1 = limit * l / ChunkProviderServer.b; // CraftBukkit - use per-world limits
// Paper start - only allow spawns upto the limit per chunk and update count afterwards
diff --git a/src/main/java/net/minecraft/server/EnumCreatureType.java b/src/main/java/net/minecraft/server/EnumCreatureType.java
index 3ed7fa324f..7f236585db 100644
--- a/src/main/java/net/minecraft/server/EnumCreatureType.java
+++ b/src/main/java/net/minecraft/server/EnumCreatureType.java
@@ -31,11 +31,25 @@ public enum EnumCreatureType {
return this.g;
}
+ public boolean isFriendly() { return c(); } // Purpur - OBFHELPER
public boolean c() {
return this.h;
}
+ public boolean isPersistent() { return d(); } // Purpur - OBFHELPER
public boolean d() {
return this.i;
}
+
+ // Purpur start
+ private int limitThisTick = -1;
+
+ void setLimitThisTick(int cap) {
+ this.limitThisTick = cap;
+ }
+
+ int getLimitThisTick() {
+ return this.limitThisTick;
+ }
+ // Purpur end
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 8b2eed1051..8d70cacee9 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -1374,28 +1374,28 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
}
boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair, boolean reducedRange) {
- int chunkRange = world.spigotConfig.mobSpawnRange;
- chunkRange = (chunkRange > world.spigotConfig.viewDistance) ? (byte) world.spigotConfig.viewDistance : chunkRange;
- chunkRange = (chunkRange > 8) ? 8 : chunkRange;
-
- final int finalChunkRange = chunkRange; // Paper for lambda below
- //double blockRange = (reducedRange) ? Math.pow(chunkRange << 4, 2) : 16384.0D; // Paper - use from event
- // Spigot end
+ // Purpur start
long i = chunkcoordintpair.pair();
-
- return !this.chunkDistanceManager.d(i) ? true : this.playerMap.a(i).noneMatch((entityplayer) -> {
- // Paper start -
- com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event;
+ return !this.chunkDistanceManager.d(i) || this.playerMap.a(i).noneMatch((player) -> {
+ // Paper start
double blockRange = 16384.0D;
if (reducedRange) {
- event = entityplayer.playerNaturallySpawnedEvent;
- if (event == null || event.isCancelled()) return false;
- blockRange = (double) ((event.getSpawnRadius() << 4) * (event.getSpawnRadius() << 4));
+ int radius;
+ if (player.playerNaturallySpawnedEvent != null) {
+ if (player.playerNaturallySpawnedEvent.isCancelled()) {
+ return false;
+ }
+ radius = player.playerNaturallySpawnedEvent.getSpawnRadius();
+ } else {
+ radius = Math.min(Math.min(world.spigotConfig.mobSpawnRange, world.spigotConfig.viewDistance), 8) << 4;
+ }
+ blockRange = radius * radius;
}
- return (!entityplayer.isSpectator() && a(chunkcoordintpair, (Entity) entityplayer) < blockRange); // Spigot
+ return (!player.isSpectator() && a(chunkcoordintpair, player) < blockRange); // Spigot
// Paper end
});
+ // Purpur end
}
private boolean b(EntityPlayer entityplayer) {
--
2.24.0
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