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Purpur/patches/server/0106-Optimize-Chunk-Ticks.patch
William Blake Galbreath e4a8964a8b Updated Upstream (Paper) 
Upstream has released updates that appears to apply and compile correctly

Paper Changes:
ffecc4e2 Revert "Optimize entity list iteration requiring entities be in"
0a4286cc Prevent Fire from loading chunks
07915ea1 Add Player Client Options API (#2883)
bc48a317 Optimize entity list iteration requiring entities be in  loaded chunks
88092fef Optimize ChunkProviderServer's chunk level checking helper methods
01e8ce8d Forced Watchdog Crash support and Improve Async Shutdown
fdb8fe78 Be less strict with vanilla teleport command limits
2020-04-17 15:32:51 -05:00

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From 53087de6d5f2560a6a338cefcdf24cc346195c34 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 ba6bdc40a7..e490423d8d 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -656,11 +656,12 @@ 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");
@@ -686,15 +687,17 @@ 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();
@@ -714,40 +717,11 @@ 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 c38d31fafe..b7b358c59f 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -1371,28 +1371,28 @@ 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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