geforkt von Mirrors/Paper
122 Zeilen
7.6 KiB
Diff
122 Zeilen
7.6 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 c0e8e863708ac794b7271765cdae99dc4df14caa..142e5bc63ede1593662ef1d502d05c0965c1a798 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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@@ -792,6 +792,7 @@ 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(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 f8c611a6a55dd56e5231834c9481c61727b628e9..1164fc5915f0121b697ea10fac73919597902026 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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@@ -172,6 +172,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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// Paper end
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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 net.minecraft.server.level.ChunkMap.TrackedEntity tracker; // Paper
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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 b980c26ab5cac02e03525177a9dc4fb0b6a2f9f6..2a784a8342e708e0813c7076a2ca8e429446ffd3 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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@@ -55,7 +55,9 @@ public interface CollisionGetter extends BlockGetter {
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}
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default boolean noCollision(@Nullable Entity entity, AABB box, Predicate<Entity> filter) {
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+ try { if (entity != null) entity.collisionLoadChunks = true; // Paper
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return this.getCollisions(entity, box, filter).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> getEntityCollisions(@Nullable Entity entity, AABB box, Predicate<Entity> predicate);
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diff --git a/src/main/java/net/minecraft/world/level/CollisionSpliterator.java b/src/main/java/net/minecraft/world/level/CollisionSpliterator.java
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index e6190bfb893de12e87e1da49001ebd963b3d6318..e4122469b839103f5c0fce38822d408a903dc0a5 100644
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--- a/src/main/java/net/minecraft/world/level/CollisionSpliterator.java
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+++ b/src/main/java/net/minecraft/world/level/CollisionSpliterator.java
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@@ -64,21 +64,42 @@ public class CollisionSpliterator extends AbstractSpliterator<VoxelShape> {
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boolean collisionCheck(Consumer<? super VoxelShape> action) {
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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;
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+ int j = this.cursor.nextY(); final int y = j;
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+ int k = this.cursor.nextZ(); final int z = k;
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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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- BlockGetter blockGetter = this.getChunk(i, k);
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- if (blockGetter == null) {
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+ // Paper start - ensure we don't load chunks
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+ boolean far = this.source != null && net.minecraft.server.MCUtil.distanceSq(this.source.getX(), y, this.source.getZ(), x, y, z) > 14;
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+ this.pos.set(x, y, z);
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+
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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 && this.source instanceof net.minecraft.server.level.ServerPlayer) || (this.source != null && this.source.collisionLoadChunks)) {
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+ blockState = this.collisionGetter.getBlockState(this.pos);
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+ } else {
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+ blockState = this.collisionGetter.getTypeIfLoaded(this.pos);
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+ }
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+
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+ if (blockState == null) {
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+ if (!(this.source instanceof net.minecraft.server.level.ServerPlayer) || this.source.level.paperConfig.preventMovingIntoUnloadedChunks) {
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+ VoxelShape voxelshape3 = Shapes.create(far ? this.source.getBoundingBox() : new AABB(new BlockPos(x, y, z)));
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+ action.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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+ // Paper - moved up
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+ // Paper end
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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.predicate.test(blockState, this.pos) || l == 1 && !blockState.hasLargeCollisionShape() || l == 2 && !blockState.is(Blocks.MOVING_PISTON)) {
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continue;
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}
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diff --git a/src/main/java/net/minecraft/world/phys/shapes/Shapes.java b/src/main/java/net/minecraft/world/phys/shapes/Shapes.java
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index 5af90e0f7222356cb0e905a9b6e0c4eac5617a41..ee5fa14d2232b145806aefcaffb5c6348a08058a 100644
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--- a/src/main/java/net/minecraft/world/phys/shapes/Shapes.java
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+++ b/src/main/java/net/minecraft/world/phys/shapes/Shapes.java
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@@ -237,7 +237,8 @@ public final class Shapes {
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if (s < 3) {
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mutableBlockPos.set(axisCycle, q, r, p);
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- BlockState blockState = world.getBlockState(mutableBlockPos);
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+ BlockState blockState = world.getTypeIfLoaded(mutableBlockPos); // Paper
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+ if (blockState == null) return 0.0D; // Paper
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if ((s != 1 || blockState.hasLargeCollisionShape()) && (s != 2 || blockState.is(Blocks.MOVING_PISTON))) {
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initial = blockState.getCollisionShape(world, mutableBlockPos, context).collide(axis3, box.move((double)(-mutableBlockPos.getX()), (double)(-mutableBlockPos.getY()), (double)(-mutableBlockPos.getZ())), initial);
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if (Math.abs(initial) < 1.0E-7D) {
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