199 lines
8.8 KiB
Diff
199 lines
8.8 KiB
Diff
From 13d727f38a8615e821d1794176154b34780c0c19 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 11 Nov 2017 17:57:39 -0500
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Subject: [PATCH] Improve Structures Checking
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Improves performance by keying every chunk thats part of a structure to a hashmap
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instead of only the first one.
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This allows us to avoid iterating the entire structures value set to see
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if a block position is inside of a structure.
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This should have pretty decent performance improvement to any standard world
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that has been around for a whilewith lots of structures due to ineffeciencies
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in how MC stores structures (even unloaded chunks has structured data loaded)
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diff --git a/src/main/java/net/minecraft/server/StructureBoundingBox.java b/src/main/java/net/minecraft/server/StructureBoundingBox.java
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index db419cd99..d9329bd42 100644
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--- a/src/main/java/net/minecraft/server/StructureBoundingBox.java
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+++ b/src/main/java/net/minecraft/server/StructureBoundingBox.java
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@@ -4,12 +4,14 @@ import com.google.common.base.MoreObjects;
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public class StructureBoundingBox {
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- public int a;
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- public int b;
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- public int c;
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- public int d;
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- public int e;
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- public int f;
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+ public int a; // Paper - If changes, verify low/high getters
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+ public int b; // Paper - If changes, verify low/high getters
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+ public int c; // Paper - If changes, verify low/high getters
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+ public int d; // Paper - If changes, verify low/high getters
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+ public int e; // Paper - If changes, verify low/high getters
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+ public int f; // Paper - If changes, verify low/high getters
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+ public BaseBlockPosition getLowPosition() { return new BaseBlockPosition(a, b, c); } // Paper
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+ public BaseBlockPosition getHighPosition() { return new BaseBlockPosition(d, e, f); } // Paper
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public StructureBoundingBox() {}
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@@ -114,6 +116,7 @@ public class StructureBoundingBox {
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this.f += k;
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}
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+ public boolean contains(BaseBlockPosition baseblockposition) { return b(baseblockposition); } // Paper - OBFHELPER
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public boolean b(BaseBlockPosition baseblockposition) {
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return baseblockposition.getX() >= this.a && baseblockposition.getX() <= this.d && baseblockposition.getZ() >= this.c && baseblockposition.getZ() <= this.f && baseblockposition.getY() >= this.b && baseblockposition.getY() <= this.e;
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}
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diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
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index e8263baa4..f4dfba8f3 100644
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--- a/src/main/java/net/minecraft/server/StructureGenerator.java
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+++ b/src/main/java/net/minecraft/server/StructureGenerator.java
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@@ -6,6 +6,7 @@ import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
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import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
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import it.unimi.dsi.fastutil.objects.ObjectIterator;
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import java.util.Iterator;
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+import java.util.List;
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import java.util.Random;
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import javax.annotation.Nullable;
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@@ -14,6 +15,7 @@ public abstract class StructureGenerator extends WorldGenBase {
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private final Timing timing = MinecraftTimings.getStructureTiming(this); // Paper
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private PersistentStructure a;
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protected Long2ObjectMap<StructureStart> c = new Long2ObjectOpenHashMap(1024);
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+ protected Long2ObjectMap<StructureStart> allStructures = new Long2ObjectOpenHashMap(1024); // Paper - Holds ref to structures for every chunk its part of, where as the one above this only holds the vanilla oriented ones.
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public StructureGenerator() {}
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@@ -29,6 +31,7 @@ public abstract class StructureGenerator extends WorldGenBase {
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if (this.a(i, j)) {
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StructureStart structurestart = this.b(i, j);
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+ populateStructure(structurestart); // Paper
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this.c.put(ChunkCoordIntPair.a(i, j), structurestart);
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if (structurestart.a()) {
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this.a(i, j, structurestart);
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@@ -106,6 +109,19 @@ public abstract class StructureGenerator extends WorldGenBase {
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@Nullable
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protected StructureStart c(BlockPosition blockposition) {
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+ // Paper start - replace method
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+ StructureStart structureStart = allStructures.get(ChunkCoordIntPair.asLong(blockposition));
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+ if (structureStart != null && structureStart.isSizeable() && structureStart.getBoundingBox().contains(blockposition)) {
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+ List<StructurePiece> structurePieces = structureStart.getStructurePieces();
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+ for (StructurePiece piece : structurePieces) {
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+ if (piece.getBoundingBox().contains(blockposition)) {
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+ return structureStart;
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+ }
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+ }
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+ }
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+
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+ return null;
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+ /*
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ObjectIterator objectiterator = this.c.values().iterator();
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while (objectiterator.hasNext()) {
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@@ -125,11 +141,16 @@ public abstract class StructureGenerator extends WorldGenBase {
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}
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return null;
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+ */
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}
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public boolean a(World world, BlockPosition blockposition) {
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if (this.g == null) return false; // Paper
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this.a(world);
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+ // Paper start - Replace method
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+ StructureStart structureStart = this.allStructures.get(ChunkCoordIntPair.asLong(blockposition));
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+ return structureStart != null && structureStart.isSizeable() && structureStart.getBoundingBox().contains(blockposition);
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+ /* // comment out rest
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ObjectIterator objectiterator = this.c.values().iterator();
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StructureStart structurestart;
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@@ -142,7 +163,7 @@ public abstract class StructureGenerator extends WorldGenBase {
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structurestart = (StructureStart) objectiterator.next();
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} while (!structurestart.a() || !structurestart.b().b((BaseBlockPosition) blockposition));
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- return true;
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+ return true;*/ // Paper end
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}
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@Nullable
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@@ -177,6 +198,7 @@ public abstract class StructureGenerator extends WorldGenBase {
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StructureStart structurestart = WorldGenFactory.a(nbttagcompound1, world);
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if (structurestart != null) {
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+ populateStructure(structurestart); // Paper
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this.c.put(ChunkCoordIntPair.a(i, j), structurestart);
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}
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}
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@@ -187,6 +209,27 @@ public abstract class StructureGenerator extends WorldGenBase {
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}
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+ // Paper start
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+ private void populateStructure(StructureStart structurestart) {
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+ for (StructurePiece piece : structurestart.getStructurePieces()) {
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+ populateStructure(structurestart, piece.getBoundingBox());
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+ }
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+ populateStructure(structurestart, structurestart.getBoundingBox());
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+ }
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+ private void populateStructure(StructureStart structurestart, StructureBoundingBox bb) {
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+ if (bb == null) {
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+ return;
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+ }
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+ final BaseBlockPosition low = bb.getLowPosition();
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+ final BaseBlockPosition high = bb.getHighPosition();
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+ for (int x = low.getX() >> 4, maxX = high.getX() >> 4; x <= maxX; x++) {
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+ for (int z = low.getZ() >> 4, maxZ = high.getZ() >> 4; z <= maxZ; z++) {
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+ allStructures.put(ChunkCoordIntPair.asLong(x, z), structurestart);
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+ }
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+ }
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+ }
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+ // Paper end
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+
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private void a(int i, int j, StructureStart structurestart) {
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this.a.a(structurestart.a(i, j), i, j);
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this.a.c();
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diff --git a/src/main/java/net/minecraft/server/StructurePiece.java b/src/main/java/net/minecraft/server/StructurePiece.java
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index 93903bc67..fcc13f811 100644
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--- a/src/main/java/net/minecraft/server/StructurePiece.java
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+++ b/src/main/java/net/minecraft/server/StructurePiece.java
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@@ -53,6 +53,7 @@ public abstract class StructurePiece {
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public abstract boolean a(World world, Random random, StructureBoundingBox structureboundingbox);
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+ public StructureBoundingBox getBoundingBox() { return d(); } // Paper - OBFHELPER
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public StructureBoundingBox d() {
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return this.l;
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}
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diff --git a/src/main/java/net/minecraft/server/StructureStart.java b/src/main/java/net/minecraft/server/StructureStart.java
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index b6abc74e0..f9bb953d0 100644
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--- a/src/main/java/net/minecraft/server/StructureStart.java
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+++ b/src/main/java/net/minecraft/server/StructureStart.java
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@@ -19,10 +19,12 @@ public abstract class StructureStart {
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this.d = j;
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}
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+ public StructureBoundingBox getBoundingBox() { return b(); } // Paper - OBFHELPER
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public StructureBoundingBox b() {
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return this.b;
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}
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+ public List<StructurePiece> getStructurePieces() { return c(); } // Paper - OBFHELPER
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public List<StructurePiece> c() {
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return this.a;
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}
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@@ -137,7 +139,7 @@ public abstract class StructureStart {
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}
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- public boolean a() {
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+ public boolean isSizeable() { return a(); } public boolean a() { // Paper - OBFHELPER
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return true;
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}
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--
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2.18.0
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