geforkt von Mirrors/Paper
70ad51a80c
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
My recent work on serialization is now in CraftBukkit so was able to drop the patch and Paper
is now consistent with upstream.
Bukkit Changes:
e2699636 Move API notes to more obvious location
CraftBukkit Changes:
1b2830a3 SPIGOT-4441: Fix serializing Components to and from Legacy
149 Zeilen
6.7 KiB
Diff
149 Zeilen
6.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Byteflux <byte@byteflux.net>
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Date: Wed, 2 Mar 2016 11:59:48 -0600
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Subject: [PATCH] Optimize explosions
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The process of determining an entity's exposure from explosions can be
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expensive when there are hundreds or more entities in range.
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This patch adds a per-tick cache that is used for storing and retrieving
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an entity's exposure during an explosion.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 50dec5cb5e924301842300e8fc80cb671b6b9173..f038d3f7dc7d1034a3ee9f2384a85642f224836e 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -150,4 +150,10 @@ public class PaperWorldConfig {
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disableEndCredits = getBoolean("game-mechanics.disable-end-credits", false);
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log("End credits disabled: " + disableEndCredits);
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}
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+
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+ public boolean optimizeExplosions;
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+ private void optimizeExplosions() {
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+ optimizeExplosions = getBoolean("optimize-explosions", false);
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+ log("Optimize explosions: " + optimizeExplosions);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
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index a063d1bfaa1acd20a5de9701eef028a543235d5e..5583860f152aadcbe74bf7b99e7efd8e47cefa35 100644
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--- a/src/main/java/net/minecraft/server/Explosion.java
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+++ b/src/main/java/net/minecraft/server/Explosion.java
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@@ -177,7 +177,7 @@ public class Explosion {
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d8 /= d11;
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d9 /= d11;
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d10 /= d11;
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- double d12 = (double) a(vec3d, entity);
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+ double d12 = this.getBlockDensity(vec3d, entity); // Paper - Optimize explosions
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double d13 = (1.0D - d7) * d12;
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// CraftBukkit start
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@@ -384,4 +384,84 @@ public class Explosion {
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private Effect() {}
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}
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+ // Paper start - Optimize explosions
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+ private float getBlockDensity(Vec3D vec3d, Entity entity) {
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+ if (!this.world.paperConfig.optimizeExplosions) {
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+ return a(vec3d, entity);
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+ }
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+ CacheKey key = new CacheKey(this, entity.getBoundingBox());
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+ Float blockDensity = this.world.explosionDensityCache.get(key);
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+ if (blockDensity == null) {
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+ blockDensity = a(vec3d, entity);
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+ this.world.explosionDensityCache.put(key, blockDensity);
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+ }
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+
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+ return blockDensity;
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+ }
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+
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+ static class CacheKey {
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+ private final World world;
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+ private final double posX, posY, posZ;
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+ private final double minX, minY, minZ;
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+ private final double maxX, maxY, maxZ;
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+
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+ public CacheKey(Explosion explosion, AxisAlignedBB aabb) {
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+ this.world = explosion.world;
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+ this.posX = explosion.posX;
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+ this.posY = explosion.posY;
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+ this.posZ = explosion.posZ;
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+ this.minX = aabb.minX;
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+ this.minY = aabb.minY;
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+ this.minZ = aabb.minZ;
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+ this.maxX = aabb.maxX;
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+ this.maxY = aabb.maxY;
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+ this.maxZ = aabb.maxZ;
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+ }
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+
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+ @Override
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+ public boolean equals(Object o) {
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+ if (this == o) return true;
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+ if (o == null || getClass() != o.getClass()) return false;
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+
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+ CacheKey cacheKey = (CacheKey) o;
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+
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+ if (Double.compare(cacheKey.posX, posX) != 0) return false;
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+ if (Double.compare(cacheKey.posY, posY) != 0) return false;
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+ if (Double.compare(cacheKey.posZ, posZ) != 0) return false;
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+ if (Double.compare(cacheKey.minX, minX) != 0) return false;
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+ if (Double.compare(cacheKey.minY, minY) != 0) return false;
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+ if (Double.compare(cacheKey.minZ, minZ) != 0) return false;
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+ if (Double.compare(cacheKey.maxX, maxX) != 0) return false;
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+ if (Double.compare(cacheKey.maxY, maxY) != 0) return false;
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+ if (Double.compare(cacheKey.maxZ, maxZ) != 0) return false;
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+ return world.equals(cacheKey.world);
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+ }
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+
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+ @Override
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+ public int hashCode() {
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+ int result;
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+ long temp;
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+ result = world.hashCode();
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+ temp = Double.doubleToLongBits(posX);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(posY);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(posZ);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(minX);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(minY);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(minZ);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(maxX);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(maxY);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ temp = Double.doubleToLongBits(maxZ);
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+ result = 31 * result + (int) (temp ^ (temp >>> 32));
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+ return result;
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+ }
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+ }
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+ // Paper end
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}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index c61037c837e29544e3afeb0b23f422073d3f5166..a67c31a6021d881b49cfdb75f514404c342eea45 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -1184,6 +1184,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
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this.methodProfiler.exit();
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this.methodProfiler.exit();
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+ worldserver.explosionDensityCache.clear(); // Paper - Optimize explosions
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}
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index ca3b4c9f2f7e1b5425e8be4c3d11e3e881915e8b..6dfefa3f9ebf6d2ad08ebe6ddd77ca6d95971544 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -80,6 +80,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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private org.spigotmc.TickLimiter entityLimiter;
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private org.spigotmc.TickLimiter tileLimiter;
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private int tileTickPosition;
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+ public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
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public CraftWorld getWorld() {
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return this.world;
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