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https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 03:20:07 +01:00
8175ec916f
Should fix #1280 Citizens hijacks entity map, and im guessing under the right conditions the result might actually be null during entity creation Pre the cache patch, the id is looked up on save, so it was fine. Now, if its null and the save ID is requested, we will try to look it up again and cache it if found.
96 Zeilen
4.1 KiB
Diff
96 Zeilen
4.1 KiB
Diff
From 4e0067394fe5e3d753349255621049ff01869afb Mon Sep 17 00:00:00 2001
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From: CullanP <cullanpage@gmail.com>
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Date: Thu, 3 Mar 2016 02:13:38 -0600
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Subject: [PATCH] Avoid hopper searches if there are no items
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Hoppers searching for items and minecarts is the most expensive part of hopper ticking.
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We keep track of the number of minecarts and items in a chunk.
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If there are no items in the chunk, we skip searching for items.
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If there are no minecarts in the chunk, we skip searching for them.
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Usually hoppers aren't near items, so we can skip most item searches.
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And since minecart hoppers are used _very_ rarely near we can avoid alot of searching there.
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Combined, this adds up a lot.
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 42d27e0362..be386716be 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -76,6 +76,13 @@ public class Chunk {
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public boolean d;
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protected gnu.trove.map.hash.TObjectIntHashMap<Class> entityCount = new gnu.trove.map.hash.TObjectIntHashMap<Class>(); // Spigot
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+ // Paper start
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+ // Track the number of minecarts and items
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+ // Keep this synced with entitySlices.add() and entitySlices.remove()
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+ private final int[] itemCounts = new int[16];
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+ private final int[] inventoryEntityCounts = new int[16];
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+ // Paper end
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+
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// CraftBukkit start - Neighbor loaded cache for chunk lighting and entity ticking
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private int neighbors = 0x1 << 12;
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public long chunkKey;
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@@ -651,6 +658,11 @@ public class Chunk {
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// Paper start
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entity.setCurrentChunk(this);
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entityCounts.increment(entity.getMinecraftKeyString());
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+ if (entity instanceof EntityItem) {
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+ itemCounts[k]++;
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+ } else if (entity instanceof IInventory) {
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+ inventoryEntityCounts[k]++;
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+ }
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// Paper end
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// Spigot start - increment creature type count
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// Keep this synced up with World.a(Class)
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@@ -687,6 +699,11 @@ public class Chunk {
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// Paper start
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entity.setCurrentChunk(null);
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entityCounts.decrement(entity.getMinecraftKeyString());
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+ if (entity instanceof EntityItem) {
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+ itemCounts[i]--;
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+ } else if (entity instanceof IInventory) {
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+ inventoryEntityCounts[i]--;
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+ }
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// Paper end
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// Spigot start - decrement creature type count
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// Keep this synced up with World.a(Class)
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@@ -879,6 +896,15 @@ public class Chunk {
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if (!this.entitySlices[k].isEmpty()) {
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Iterator iterator = this.entitySlices[k].iterator();
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+ // Paper start - Don't search for inventories if we have none, and that is all we want
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+ /*
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+ * We check if they want inventories by seeing if it is the static `IEntitySelector.c`
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+ *
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+ * Make sure the inventory selector stays in sync.
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+ * It should be the one that checks `var1 instanceof IInventory && var1.isAlive()`
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+ */
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+ if (predicate == IEntitySelector.c && inventoryEntityCounts[k] <= 0) continue;
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+ // Paper end
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while (iterator.hasNext()) {
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Entity entity1 = (Entity) iterator.next();
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@@ -915,7 +941,18 @@ public class Chunk {
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i = MathHelper.clamp(i, 0, this.entitySlices.length - 1);
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j = MathHelper.clamp(j, 0, this.entitySlices.length - 1);
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+ // Paper start
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+ int[] counts;
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+ if (EntityItem.class.isAssignableFrom(oclass)) {
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+ counts = itemCounts;
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+ } else if (IInventory.class.isAssignableFrom(oclass)) {
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+ counts = inventoryEntityCounts;
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+ } else {
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+ counts = null;
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+ }
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+ // Paper end
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for (int k = i; k <= j; ++k) {
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+ if (counts != null && counts[k] <= 0) continue; // Paper - Don't check a chunk if it doesn't have the type we are looking for
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Iterator iterator = this.entitySlices[k].iterator(); // Spigot
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while (iterator.hasNext()) {
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--
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2.18.0
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