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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: 13eb4146 SPIGOT-5217, SPIGOT-6183: Add RespawnReason to PlayerRespawnEvent CraftBukkit Changes: 5ee3419b7 SPIGOT-5217, SPIGOT-6183: Add RespawnReason to PlayerRespawnEvent Spigot Changes: 514cf03a Rebuild patches and add RespawnReason.PLUGIN to Player#respawn
112 lines
6.9 KiB
Diff
112 lines
6.9 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 c334d750a1eac24474061de8e764d7366ada0578..54028d2702e2f168717f5492e7e1f4d4ef2bc778 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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@@ -818,6 +818,7 @@ 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.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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entityplayer1.setPos(entityplayer1.getX(), entityplayer1.getY() + 1.0D, entityplayer1.getZ());
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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 dc1af76289cee7e38f6cbfdb5e62fac5802a08b3..8c922e29ae57f781d4f27d53b04ed90a24d81ca4 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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@@ -236,6 +236,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
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public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason; // Paper
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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 8390ce194ccc692139c0e870c16a7fb76ac8ba68..be578f14146b0184d5419d5b961c5d681f9ba7a3 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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@@ -66,22 +66,41 @@ public class BlockCollisions extends AbstractIterator<VoxelShape> {
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protected VoxelShape 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 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 4c373d6c8ddd9f5db88888cd8dbbfc24eb5df793..56d94c94fb0d4dc468bb5d69be655ddd5c6b5360 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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