Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-24 15:20:11 +01:00
162 Zeilen
9.5 KiB
Diff
162 Zeilen
9.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 2 Apr 2020 02:37:57 -0400
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Subject: [PATCH] Optimize Collision to not load chunks
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The collision code takes an AABB and generates a cuboid of checks rather
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than a cylinder, so at high velocity this can generate a lot of chunk checks.
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Treat an unloaded chunk as a collision for entities, and also for players if
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the "prevent moving into unloaded chunks" setting is enabled.
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If that serting is not enabled, collisions will be ignored for players, since
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movement will load only the chunk the player enters anyways and avoids loading
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massive amounts of surrounding chunks due to large AABB lookups.
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index c5116a9c596074a33c98d29bb1e9cf22a8ad53bf..84c2bc0bac4f388094693859ab7b6ced5e315c27 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -61,6 +61,7 @@ import net.minecraft.server.ScoreboardServer;
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import net.minecraft.server.level.DemoPlayerInteractManager;
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import net.minecraft.server.level.EntityPlayer;
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import net.minecraft.server.level.PlayerInteractManager;
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+import net.minecraft.server.level.TicketType;
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import net.minecraft.server.level.WorldServer;
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import net.minecraft.server.network.PlayerConnection;
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import net.minecraft.sounds.SoundCategory;
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@@ -74,6 +75,7 @@ import net.minecraft.world.effect.MobEffect;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntityTypes;
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import net.minecraft.world.entity.player.EntityHuman;
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+import net.minecraft.world.level.ChunkCoordIntPair;
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import net.minecraft.world.level.EnumGamemode;
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import net.minecraft.world.level.GameRules;
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import net.minecraft.world.level.World;
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@@ -809,6 +811,7 @@ public abstract class PlayerList {
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entityplayer1.forceSetPositionRotation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
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// CraftBukkit end
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+ worldserver1.getChunkProvider().addTicket(TicketType.POST_TELEPORT, new ChunkCoordIntPair(location.getBlockX() >> 4, location.getBlockZ() >> 4), 1, entityplayer.getId()); // Paper
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while (avoidSuffocation && !worldserver1.getCubes(entityplayer1) && entityplayer1.locY() < 256.0D) {
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entityplayer1.setPosition(entityplayer1.locX(), entityplayer1.locY() + 1.0D, entityplayer1.locZ());
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}
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index f95aa9b4cc53c1e3258b7b32249ec1c3ef4ae2f1..7bce3722fb00194f5a913c0b9866b73cfc74611d 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -169,6 +169,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, ne
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private CraftEntity bukkitEntity;
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PlayerChunkMap.EntityTracker tracker; // Paper
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+ public boolean collisionLoadChunks = false; // Paper
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public Throwable addedToWorldStack; // Paper - entity debug
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public CraftEntity getBukkitEntity() {
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if (bukkitEntity == null) {
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diff --git a/src/main/java/net/minecraft/world/level/ICollisionAccess.java b/src/main/java/net/minecraft/world/level/ICollisionAccess.java
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index fcf6cc86e3b5d9afe3ab3b3fba2ec13846ed0b4c..fcb3e2f9dea97138e0fd4cd2eb11b54799e1d3b5 100644
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--- a/src/main/java/net/minecraft/world/level/ICollisionAccess.java
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+++ b/src/main/java/net/minecraft/world/level/ICollisionAccess.java
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@@ -54,7 +54,9 @@ public interface ICollisionAccess extends IBlockAccess {
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}
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default boolean b(@Nullable Entity entity, AxisAlignedBB axisalignedbb, Predicate<Entity> predicate) {
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+ try { if (entity != null) entity.collisionLoadChunks = true; // Paper
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return this.d(entity, axisalignedbb, predicate).allMatch(VoxelShape::isEmpty);
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+ } finally { if (entity != null) entity.collisionLoadChunks = false; } // Paper
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}
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Stream<VoxelShape> c(@Nullable Entity entity, AxisAlignedBB axisalignedbb, Predicate<Entity> predicate);
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diff --git a/src/main/java/net/minecraft/world/level/VoxelShapeSpliterator.java b/src/main/java/net/minecraft/world/level/VoxelShapeSpliterator.java
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index fa3421c9cd8531618827627e9c524a8df77c4c58..d0cc8677f2be422722160fee9b71894b5ddd3186 100644
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--- a/src/main/java/net/minecraft/world/level/VoxelShapeSpliterator.java
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+++ b/src/main/java/net/minecraft/world/level/VoxelShapeSpliterator.java
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@@ -7,6 +7,9 @@ import java.util.function.Consumer;
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import javax.annotation.Nullable;
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import net.minecraft.core.BlockPosition;
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import net.minecraft.core.CursorPosition;
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+import net.minecraft.server.MCUtil;
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+import net.minecraft.server.level.EntityPlayer;
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+import net.minecraft.server.level.RegionLimitedWorldAccess;
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import net.minecraft.util.MathHelper;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.level.block.Blocks;
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@@ -21,13 +24,13 @@ import net.minecraft.world.phys.shapes.VoxelShapes;
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public class VoxelShapeSpliterator extends AbstractSpliterator<VoxelShape> {
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@Nullable
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- private final Entity a;
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+ private final Entity a; final Entity getEntity() { return this.a; } // Paper - OBFHELPER
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private final AxisAlignedBB b;
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private final VoxelShapeCollision c;
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private final CursorPosition d;
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- private final BlockPosition.MutableBlockPosition e;
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+ private final BlockPosition.MutableBlockPosition e; final BlockPosition.MutableBlockPosition getMutablePos() { return this.e; } // Paper - OBFHELPER
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private final VoxelShape f;
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- private final ICollisionAccess g;
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+ private final ICollisionAccess g; final ICollisionAccess getCollisionAccess() { return this.g; } // Paper - OBFHELPER
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private boolean h;
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private final BiPredicate<IBlockData, BlockPosition> i;
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@@ -64,23 +67,37 @@ public class VoxelShapeSpliterator extends AbstractSpliterator<VoxelShape> {
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boolean a(Consumer<? super VoxelShape> consumer) {
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while (true) {
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if (this.d.a()) {
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- int i = this.d.b();
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- int j = this.d.c();
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- int k = this.d.d();
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+ int i = this.d.b(); final int x = i;
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+ int j = this.d.c(); final int y = j;
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+ int k = this.d.d(); final int z = k;
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int l = this.d.e();
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if (l == 3) {
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continue;
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}
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- IBlockAccess iblockaccess = this.a(i, k);
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-
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- if (iblockaccess == null) {
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+ // Paper start - ensure we don't load chunks
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+ Entity entity = this.getEntity();
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+ BlockPosition.MutableBlockPosition blockposition_mutableblockposition = this.getMutablePos();
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+ boolean far = entity != null && MCUtil.distanceSq(entity.locX(), y, entity.locZ(), x, y, z) > 14;
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+ blockposition_mutableblockposition.setValues(x, y, z);
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+
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+ boolean isRegionLimited = this.getCollisionAccess() instanceof RegionLimitedWorldAccess;
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+ IBlockData iblockdata = isRegionLimited ? Blocks.VOID_AIR.getBlockData() : ((!far && entity instanceof EntityPlayer) || (entity != null && entity.collisionLoadChunks)
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+ ? this.getCollisionAccess().getType(blockposition_mutableblockposition)
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+ : this.getCollisionAccess().getTypeIfLoaded(blockposition_mutableblockposition)
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+ );
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+
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+ if (iblockdata == null) {
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+ if (!(entity instanceof EntityPlayer) || entity.world.paperConfig.preventMovingIntoUnloadedChunks) {
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+ VoxelShape voxelshape3 = VoxelShapes.of(far ? entity.getBoundingBox() : new AxisAlignedBB(new BlockPosition(x, y, z)));
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+ consumer.accept(voxelshape3);
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+ return true;
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+ }
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continue;
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}
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-
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- this.e.d(i, j, k);
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- IBlockData iblockdata = iblockaccess.getType(this.e);
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+ // Paper - moved up
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+ // Paper end
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if (!this.i.test(iblockdata, this.e) || l == 1 && !iblockdata.d() || l == 2 && !iblockdata.a(Blocks.MOVING_PISTON)) {
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continue;
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diff --git a/src/main/java/net/minecraft/world/phys/shapes/VoxelShapes.java b/src/main/java/net/minecraft/world/phys/shapes/VoxelShapes.java
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index cf32a4f63e8e59535c02a3f9c57f98833a2b0e83..24ecac40625629b0bbe460e7fc984b147ede1f1f 100644
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--- a/src/main/java/net/minecraft/world/phys/shapes/VoxelShapes.java
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+++ b/src/main/java/net/minecraft/world/phys/shapes/VoxelShapes.java
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@@ -249,7 +249,8 @@ public final class VoxelShapes {
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if (k2 < 3) {
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blockposition_mutableblockposition.a(enumaxiscycle1, i2, j2, l1);
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- IBlockData iblockdata = iworldreader.getType(blockposition_mutableblockposition);
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+ IBlockData iblockdata = iworldreader.getTypeIfLoaded(blockposition_mutableblockposition); // Paper
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+ if (iblockdata == null) return 0.0D; // Paper
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if ((k2 != 1 || iblockdata.d()) && (k2 != 2 || iblockdata.a(Blocks.MOVING_PISTON))) {
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d0 = iblockdata.b((IBlockAccess) iworldreader, blockposition_mutableblockposition, voxelshapecollision).a(enumdirection_enumaxis2, axisalignedbb.d((double) (-blockposition_mutableblockposition.getX()), (double) (-blockposition_mutableblockposition.getY()), (double) (-blockposition_mutableblockposition.getZ())), d0);
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