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e4d10a6d67
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 Bukkit Changes: 122289ff Add FaceAttachable interface to handle Grindstone facing in common with Switches a6db750e SPIGOT-5647: ZombieVillager entity should have getVillagerType() CraftBukkit Changes:bbe3d58eSPIGOT-5650: Lectern.setPage(int) causes a NullPointerException3075579fAdd FaceAttachable interface to handle Grindstone facing in common with Switches95bd4238SPIGOT-5647: ZombieVillager entity should have getVillagerType()4d975ac3SPIGOT-5617: setBlockData does not work when NotPlayEvent is called by redstone current
101 lines
4.7 KiB
Diff
101 lines
4.7 KiB
Diff
From f78f01f3686c8be41b0a1a5dae5f08f269db99c5 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 06b4dc6284..fc01aa68eb 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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@@ -84,6 +84,10 @@ public class Chunk implements IChunkAccess {
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return removed;
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}
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}
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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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public Chunk(World world, ChunkCoordIntPair chunkcoordintpair, BiomeStorage biomestorage, ChunkConverter chunkconverter, TickList<Block> ticklist, TickList<FluidType> ticklist1, long i, @Nullable ChunkSection[] achunksection, @Nullable Consumer<Chunk> consumer) {
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@@ -436,6 +440,13 @@ public class Chunk implements IChunkAccess {
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entity.chunkZ = this.loc.z;
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this.entities.add(entity); // Paper - per chunk entity list
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this.entitySlices[k].add(entity);
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+ // Paper start
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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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entity.entitySlice = this.entitySlices[k]; // Paper
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this.markDirty(); // Paper
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}
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@@ -467,6 +478,11 @@ public class Chunk implements IChunkAccess {
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if (!this.entitySlices[i].remove(entity)) {
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return;
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}
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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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entityCounts.decrement(entity.getMinecraftKeyString());
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this.markDirty(); // Paper
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// Paper end
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@@ -737,9 +753,29 @@ public class Chunk implements IChunkAccess {
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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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+ // 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.d`
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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.isInventory() && inventoryEntityCounts[k] <= 0) continue;
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+ // Paper end
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while (iterator.hasNext()) {
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T t0 = (T) iterator.next(); // CraftBukkit - decompile error
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if (t0.shouldBeRemoved) continue; // Paper
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diff --git a/src/main/java/net/minecraft/server/IEntitySelector.java b/src/main/java/net/minecraft/server/IEntitySelector.java
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index 498f381099..a2d1ef3602 100644
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--- a/src/main/java/net/minecraft/server/IEntitySelector.java
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+++ b/src/main/java/net/minecraft/server/IEntitySelector.java
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@@ -11,6 +11,7 @@ public final class IEntitySelector {
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public static final Predicate<Entity> c = (entity) -> {
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return entity.isAlive() && !entity.isVehicle() && !entity.isPassenger();
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};
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+ public static final Predicate<Entity> isInventory() { return d; } // Paper - OBFHELPER
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public static final Predicate<Entity> d = (entity) -> {
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return entity instanceof IInventory && entity.isAlive();
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};
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--
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2.25.1
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