Paper/patches/server/0040-Optimize-explosions.patch
Nassim Jahnke efd47e3a68
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9188)
* Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
2fcba9b2 SPIGOT-7347: Add missing documentation and details to ShapedRecipe
c278419d PR-854: Move getHighestBlockYAt methods from World to RegionAccessor
201399fb PR-853: Add API for directly setting Display transformation matrices
ecfa559a PR-849: Add InventoryView#setTitle
653d7edb SPIGOT-519: Add TNTPrimeEvent
22fccc09 PR-846: Add method to get chunk load level
a070a52c PR-844: Add methods to convert Vector to and from JOML vectors
cc7111fe PR-276: Add accessors to Wither's invulnerability ticks
777d24e9 SPIGOT-7209: Accessors and events for player's exp cooldown
ccb2d01b SPIGOT-6308: Deprecate the location name property of map items
cd04a31b PR-780: Add PlayerSpawnChangeEvent
7d1f5b64 SPIGOT-6780: Improve documentation for World#spawnFallingBlock
5696668a SPIGOT-6885: Add test and easier to debug code for reference in yaml configuration comments
2e13cff7 PR-589: Expand the FishHook API
2c7d3da5 PR-279: Minor edits to various Javadocs

CraftBukkit Changes:
01b2e1af4 SPIGOT-7346: Disallow players from executing commands after disconnecting
7fe5ee022 PR-1186: Move getHighestBlockYAt methods from World to RegionAccessor
bcc85ef67 PR-1185: Add API for directly setting Display transformation matrices
a7cfc778f PR-1176: Add InventoryView#setTitle
563d42226 SPIGOT-519: Add TNTPrimeEvent
ccbc6abca Add test for Chunk.LoadLevel mirroring
2926e0513 PR-1171: Add method to get chunk load level
63cad7f84 PR-375: Add accessors to Wither's invulnerability ticks
bfd8b1ac8 SPIGOT-7209: Accessors and events for player's exp cooldown
f92a41c39 PR-1181: Consolidate Location conversion code
10f866759 SPIGOT-6308: Deprecate the location name property of map items
82f7b658a PR-1095: Add PlayerSpawnChangeEvent
b421af7e4 PR-808: Expand the FishHook API
598ad7b3f Increase outdated build delay

Spigot Changes:
d1bd3bd2 Rebuild patches
e4265cc8 SPIGOT-7297: Entity Tracking Range option for Display entities

* Work around javac bug

* Call PlayerSpawnChangeEvent

* Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
2fcba9b2 SPIGOT-7347: Add missing documentation and details to ShapedRecipe
c278419d PR-854: Move getHighestBlockYAt methods from World to RegionAccessor
201399fb PR-853: Add API for directly setting Display transformation matrices

CraftBukkit Changes:
01b2e1af4 SPIGOT-7346: Disallow players from executing commands after disconnecting
7fe5ee022 PR-1186: Move getHighestBlockYAt methods from World to RegionAccessor
bcc85ef67 PR-1185: Add API for directly setting Display transformation matrices

Spigot Changes:
7da74dae Rebuild patches
2023-05-12 13:10:08 +02:00

134 lines
6.0 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Wed, 2 Mar 2016 11:59:48 -0600
Subject: [PATCH] Optimize explosions
The process of determining an entity's exposure from explosions can be
expensive when there are hundreds or more entities in range.
This patch adds a per-tick cache that is used for storing and retrieving
an entity's exposure during an explosion.
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index a7f9a3e57c7736b065b8dc4dba6e018ce73e5157..1554f8847e42cdd584b16c0648c21c4071aea6de 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1408,6 +1408,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.profiler.pop();
this.profiler.pop();
+ worldserver.explosionDensityCache.clear(); // Paper - Optimize explosions
}
this.profiler.popPush("connection");
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 8752dee5dc0ed1c2d81994b627aa187049a3cd7d..65168326eb92dbd45e7b992a34f69aaa12d3e8ff 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -221,7 +221,7 @@ public class Explosion {
d8 /= d11;
d9 /= d11;
d10 /= d11;
- double d12 = (double) Explosion.getSeenPercent(vec3d, entity);
+ double d12 = this.getBlockDensity(vec3d, entity); // Paper - Optimize explosions
double d13 = (1.0D - d7) * d12;
// CraftBukkit start
@@ -513,4 +513,84 @@ public class Explosion {
private BlockInteraction() {}
}
+ // Paper start - Optimize explosions
+ private float getBlockDensity(Vec3 vec3d, Entity entity) {
+ if (!this.level.paperConfig().environment.optimizeExplosions) {
+ return getSeenPercent(vec3d, entity);
+ }
+ CacheKey key = new CacheKey(this, entity.getBoundingBox());
+ Float blockDensity = this.level.explosionDensityCache.get(key);
+ if (blockDensity == null) {
+ blockDensity = getSeenPercent(vec3d, entity);
+ this.level.explosionDensityCache.put(key, blockDensity);
+ }
+
+ return blockDensity;
+ }
+
+ static class CacheKey {
+ private final Level world;
+ private final double posX, posY, posZ;
+ private final double minX, minY, minZ;
+ private final double maxX, maxY, maxZ;
+
+ public CacheKey(Explosion explosion, AABB aabb) {
+ this.world = explosion.level;
+ this.posX = explosion.x;
+ this.posY = explosion.y;
+ this.posZ = explosion.z;
+ this.minX = aabb.minX;
+ this.minY = aabb.minY;
+ this.minZ = aabb.minZ;
+ this.maxX = aabb.maxX;
+ this.maxY = aabb.maxY;
+ this.maxZ = aabb.maxZ;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ CacheKey cacheKey = (CacheKey) o;
+
+ if (Double.compare(cacheKey.posX, posX) != 0) return false;
+ if (Double.compare(cacheKey.posY, posY) != 0) return false;
+ if (Double.compare(cacheKey.posZ, posZ) != 0) return false;
+ if (Double.compare(cacheKey.minX, minX) != 0) return false;
+ if (Double.compare(cacheKey.minY, minY) != 0) return false;
+ if (Double.compare(cacheKey.minZ, minZ) != 0) return false;
+ if (Double.compare(cacheKey.maxX, maxX) != 0) return false;
+ if (Double.compare(cacheKey.maxY, maxY) != 0) return false;
+ if (Double.compare(cacheKey.maxZ, maxZ) != 0) return false;
+ return world.equals(cacheKey.world);
+ }
+
+ @Override
+ public int hashCode() {
+ int result;
+ long temp;
+ result = world.hashCode();
+ temp = Double.doubleToLongBits(posX);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(posY);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(posZ);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(minX);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(minY);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(minZ);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(maxX);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(maxY);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ temp = Double.doubleToLongBits(maxZ);
+ result = 31 * result + (int) (temp ^ (temp >>> 32));
+ return result;
+ }
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 537ce62ba966cc5765b9e7e48e1ba043fa1a6df9..ad42b1f9dae76a507a6eca51d096b7774905f623 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -168,6 +168,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
private org.spigotmc.TickLimiter entityLimiter;
private org.spigotmc.TickLimiter tileLimiter;
private int tileTickPosition;
+ public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
public CraftWorld getWorld() {
return this.world;