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https://github.com/Dreeam-qwq/Gale.git
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127 lines
7.2 KiB
Diff
127 lines
7.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Martijn Muijsers <martijnmuijsers@live.nl>
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Date: Wed, 23 Nov 2022 16:45:45 +0100
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Subject: [PATCH] Optimize random calls in chunk ticking
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License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
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Gale - https://galemc.org
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This patch is based on the following patch:
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"Optimize random calls in chunk ticking"
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By: Paul Sauve <paul@technove.co>
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As part of: Airplane (https://github.com/TECHNOVE/Airplane)
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Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
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The patch also received the following subsequent modification:
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By: Kevin Raneri <kevin.raneri@gmail.com>
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As part of: Pufferfish (https://github.com/pufferfish-gg/Pufferfish)
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Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
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* Airplane description *
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Especially at over 30,000 chunks these random calls are fairly heavy. We
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use a different method here for checking lightning, and for checking
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ice.
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Lightning: Each chunk now keeps an int of how many ticks until the
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lightning should strike. This int is a random number from 0 to 100000 * 2,
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the multiplication is required to keep the probability the same.
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Ice and snow: We just generate a single random number 0-16 and increment
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it, while checking if it's 0 for the current chunk.
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Depending on configuration for things that tick in a chunk, this is a
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5-10% improvement.
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* Airplane copyright *
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Airplane
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Copyright (C) 2020 Technove LLC
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index 4d12a8972007377b6541143e9a29b78b825cff68..a65c844d9dc715f75849e5cb665250dfa036af08 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -483,6 +483,7 @@ public class ServerChunkCache extends ChunkSource {
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}
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}
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+ this.level.resetIceAndSnowTick(); // Gale - Airplane - optimize random calls in chunk ticking - reset ice & snow tick random
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if (this.level.tickRateManager().runsNormally()) {
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this.level.timings.countNaturalMobs.startTiming(); // Paper - timings
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int k = this.distanceManager.getNaturalSpawnChunkCount();
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index e018f5686406b58e09c9b62a9bcd4982c8aed905..896eedb9fc2cf99ccba0342993036fd00d19782a 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -777,13 +777,15 @@ public class ServerLevel extends Level implements WorldGenLevel, ca.spottedleaf.
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});
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}
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+ private int currentIceAndSnowTick = 0; protected void resetIceAndSnowTick() { this.currentIceAndSnowTick = this.randomTickRandom.nextInt(16); } // Gale - Airplane - optimize random calls in chunk ticking
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+
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public void tickChunk(LevelChunk chunk, int randomTickSpeed) {
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ChunkPos chunkcoordintpair = chunk.getPos();
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boolean flag = this.isRaining();
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int j = chunkcoordintpair.getMinBlockX();
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int k = chunkcoordintpair.getMinBlockZ();
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- if (!this.paperConfig().environment.disableThunder && flag && this.isThundering() && this.spigotConfig.thunderChance > 0 && this.random.nextInt(this.spigotConfig.thunderChance) == 0) { // Spigot // Paper - Option to disable thunder
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+ if (!this.paperConfig().environment.disableThunder && flag && this.isThundering() && this.spigotConfig.thunderChance > 0 && /*this.random.nextInt(this.spigotConfig.thunderChance) == 0*/ chunk.shouldDoLightning(this.random)) { // Spigot // Paper - Option to disable thunder // Gale - Airplane - optimize random calls in chunk ticking - replace random with shouldDoLightning
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BlockPos blockposition = this.findLightningTargetAround(this.getBlockRandomPos(j, 0, k, 15));
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if (this.isRainingAt(blockposition)) {
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@@ -811,7 +813,7 @@ public class ServerLevel extends Level implements WorldGenLevel, ca.spottedleaf.
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}
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}
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- if (!this.paperConfig().environment.disableIceAndSnow) { // Paper - Option to disable ice and snow
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+ if (!this.paperConfig().environment.disableIceAndSnow && (this.currentIceAndSnowTick++ & 15) == 0) { // Paper - Option to disable ice and snow // Gale - Airplane - optimize random calls in chunk ticking - optimize further random ticking
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for (int l = 0; l < randomTickSpeed; ++l) {
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if (this.random.nextInt(48) == 0) {
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this.tickPrecipitation(this.getBlockRandomPos(j, 0, k, 15));
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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index 715a39cf1d075e0ef7f32c9066714a21b46f64b0..60356b1c7afd23e43861f6ddc7ac9a7ad3dde4e2 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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@@ -85,6 +85,18 @@ public class LevelChunk extends ChunkAccess implements ca.spottedleaf.moonrise.p
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private final LevelChunkTicks<Block> blockTicks;
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private final LevelChunkTicks<Fluid> fluidTicks;
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+ // Gale start - Airplane - optimize random calls in chunk ticking - instead of using a random every time the chunk is ticked, define when lightning strikes preemptively
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+ private int lightningTick;
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+ // shouldDoLightning compiles down to 29 bytes, which with the default of 35 byte inlining should guarantee an inline
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+ public final boolean shouldDoLightning(net.minecraft.util.RandomSource random) {
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+ if (this.lightningTick-- <= 0) {
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+ this.lightningTick = random.nextInt(this.level.spigotConfig.thunderChance) << 1;
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+ return true;
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+ }
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+ return false;
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+ }
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+ // Gale end - Airplane - optimize random calls in chunk ticking - instead of using a random every time the chunk is ticked, define when lightning strikes preemptively
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+
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public LevelChunk(Level world, ChunkPos pos) {
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this(world, pos, UpgradeData.EMPTY, new LevelChunkTicks<>(), new LevelChunkTicks<>(), 0L, (LevelChunkSection[]) null, (LevelChunk.PostLoadProcessor) null, (BlendingData) null);
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}
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@@ -108,6 +120,7 @@ public class LevelChunk extends ChunkAccess implements ca.spottedleaf.moonrise.p
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this.postLoad = entityLoader;
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this.blockTicks = blockTickScheduler;
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this.fluidTicks = fluidTickScheduler;
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+ this.lightningTick = this.level.randomTickRandom.nextInt(100000) << 1; // Gale - Airplane - optimize random calls in chunk ticking - initialize lightning tick
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}
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// CraftBukkit start
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