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71c84c8132
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: 9a80d38c SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, PR-722: Add EntityRemoveEvent 258086d9 SPIGOT-7417, PR-967: Add Sign#getTargetSide and Sign#getAllowedEditor ffaba051 SPIGOT-7584: Add missing Tag.ITEMS_NON_FLAMMABLE_WOOD CraftBukkit Changes: 98b6c1ac7 SPIGOT-7589 Fix NullPointerException when bans expire a2736ddb0 SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, PR-1008: Add EntityRemoveEvent 5bf12cb89 SPIGOT-7565: Throw a more descriptive error message when a developer tries to spawn an entity from a CraftBukkit class 76d95fe7e SPIGOT-7417, PR-1343: Add Sign#getTargetSide and Sign#getAllowedEditor Spigot Changes: e9ec5485 Rebuild patches f1b62e0c Rebuild patches
112 lines
7.0 KiB
Diff
112 lines
7.0 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 461c27292af06a5150de8ec263d0c8527e8c5278..37245ff682837e7e8c9647f4afe30f0dd87cb384 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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@@ -935,6 +935,7 @@ public abstract class PlayerList {
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entityplayer1.setShiftKeyDown(false);
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entityplayer1.forceSetPositionRotation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
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+ worldserver1.getChunkSource().addRegionTicket(net.minecraft.server.level.TicketType.POST_TELEPORT, new net.minecraft.world.level.ChunkPos(location.getBlockX() >> 4, location.getBlockZ() >> 4), 1, entityplayer.getId()); // Paper
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while (avoidSuffocation && !worldserver1.noCollision((Entity) entityplayer1) && entityplayer1.getY() < (double) worldserver1.getMaxBuildHeight()) {
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// CraftBukkit end
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entityplayer1.setPos(entityplayer1.getX(), entityplayer1.getY() + 1.0D, entityplayer1.getZ());
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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 48c62366bd175665eb029f040ecfbab4eb7e45fd..87ed38858f3cea1da7a60e39da8b095b27d3a59c 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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@@ -242,6 +242,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
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public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason; // Paper - Entity#getEntitySpawnReason
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public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
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+ public boolean collisionLoadChunks = false; // Paper
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private CraftEntity bukkitEntity;
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public @org.jetbrains.annotations.Nullable net.minecraft.server.level.ChunkMap.TrackedEntity tracker; // Paper
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diff --git a/src/main/java/net/minecraft/world/level/BlockCollisions.java b/src/main/java/net/minecraft/world/level/BlockCollisions.java
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index f2c423154ed6a00882a46d93b69ed4f6ba73782c..a3eaf80b020c3bbc0306c5d17659ee661dfd275b 100644
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--- a/src/main/java/net/minecraft/world/level/BlockCollisions.java
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+++ b/src/main/java/net/minecraft/world/level/BlockCollisions.java
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@@ -65,22 +65,41 @@ public class BlockCollisions<T> extends AbstractIterator<T> {
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protected T computeNext() {
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while(true) {
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if (this.cursor.advance()) {
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- int i = this.cursor.nextX();
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- int j = this.cursor.nextY();
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- int k = this.cursor.nextZ();
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+ int i = this.cursor.nextX(); final int x = i; // Paper
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+ int j = this.cursor.nextY(); final int y = j; // Paper
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+ int k = this.cursor.nextZ(); final int z = k; // Paper
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int l = this.cursor.getNextType();
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if (l == 3) {
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continue;
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}
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+ // Paper start - ensure we don't load chunks
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+ final @Nullable Entity source = this.context instanceof net.minecraft.world.phys.shapes.EntityCollisionContext entityContext ? entityContext.getEntity() : null;
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+ boolean far = source != null && io.papermc.paper.util.MCUtil.distanceSq(source.getX(), y, source.getZ(), x, y, z) > 14;
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+ this.pos.set(x, y, z);
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- BlockGetter blockGetter = this.getChunk(i, k);
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- if (blockGetter == null) {
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+ BlockState blockState;
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+ if (this.collisionGetter instanceof net.minecraft.server.level.WorldGenRegion) {
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+ BlockGetter blockGetter = this.getChunk(x, z);
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+ if (blockGetter == null) {
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+ continue;
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+ }
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+ blockState = blockGetter.getBlockState(this.pos);
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+ } else if ((!far && source instanceof net.minecraft.server.level.ServerPlayer) || (source != null && source.collisionLoadChunks)) {
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+ blockState = this.collisionGetter.getBlockState(this.pos);
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+ } else {
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+ blockState = this.collisionGetter.getBlockStateIfLoaded(this.pos);
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+ }
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+
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+ if (blockState == null) {
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+ if (!(source instanceof net.minecraft.server.level.ServerPlayer) || source.level().paperConfig().chunks.preventMovingIntoUnloadedChunks) {
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+ return this.resultProvider.apply(new BlockPos.MutableBlockPos(x, y, z), Shapes.create(far ? source.getBoundingBox() : new AABB(new BlockPos(x, y, z))));
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+ }
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+ // Paper end
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continue;
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}
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- this.pos.set(i, j, k);
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- BlockState blockState = blockGetter.getBlockState(this.pos);
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- if (this.onlySuffocatingBlocks && !blockState.isSuffocating(blockGetter, this.pos) || l == 1 && !blockState.hasLargeCollisionShape() || l == 2 && !blockState.is(Blocks.MOVING_PISTON)) {
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+ // Paper - moved up
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+ if (/*this.onlySuffocatingBlocks && (!blockState.isSuffocating(blockGetter, this.pos)) ||*/ l == 1 && !blockState.hasLargeCollisionShape() || l == 2 && !blockState.is(Blocks.MOVING_PISTON)) { // Paper - onlySuffocatingBlocks is only true on the client, so we don't care about it here
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continue;
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}
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diff --git a/src/main/java/net/minecraft/world/level/CollisionGetter.java b/src/main/java/net/minecraft/world/level/CollisionGetter.java
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index 140d10807a3a6806578cd203ba58383590c2f2c0..c476e37df8a75d77f5093b2a449e04f25ef2c2dd 100644
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--- a/src/main/java/net/minecraft/world/level/CollisionGetter.java
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+++ b/src/main/java/net/minecraft/world/level/CollisionGetter.java
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@@ -44,11 +44,13 @@ public interface CollisionGetter extends BlockGetter {
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}
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default boolean noCollision(@Nullable Entity entity, AABB box) {
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+ try { if (entity != null) entity.collisionLoadChunks = true; // Paper
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for(VoxelShape voxelShape : this.getBlockCollisions(entity, box)) {
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if (!voxelShape.isEmpty()) {
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return false;
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}
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}
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+ } finally { if (entity != null) entity.collisionLoadChunks = false; } // Paper
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if (!this.getEntityCollisions(entity, box).isEmpty()) {
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return false;
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