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8ce5219e07
Vanilla now loads the proper number of chunks for sending to players. So, we can finally match their behavior after all these years.
58 lines
3.8 KiB
Diff
58 lines
3.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 27 Apr 2020 00:04:16 -0700
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Subject: [PATCH] Reduce allocation of Vec3D by entity tracker
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diff --git a/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java b/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
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index 05ac41e136da43284fb24a6b698ebd36318278fb..5ca3ad7b3d7606accd0a58b3c708fadb349608f7 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/VecDeltaCodec.java
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@@ -5,7 +5,7 @@ import org.jetbrains.annotations.VisibleForTesting;
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public class VecDeltaCodec {
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private static final double TRUNCATION_STEPS = 4096.0D;
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- private Vec3 base = Vec3.ZERO;
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+ public Vec3 base = Vec3.ZERO; // Paper
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@VisibleForTesting
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static long encode(double value) {
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index 6ad8b10e47e33221513f57c424431793177fc140..f3bbafb3475ea080826c5c795c37bc21db5622c7 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -1343,9 +1343,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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public void updatePlayer(ServerPlayer player) {
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org.spigotmc.AsyncCatcher.catchOp("player tracker update"); // Spigot
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if (player != this.entity) {
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+ // Paper start - remove allocation of Vec3D here
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+ // Vec3 vec3d = player.position().subtract(this.entity.position());
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+ double vec3d_dx = player.getX() - this.entity.getX();
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+ double vec3d_dz = player.getZ() - this.entity.getZ();
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+ // Paper end - remove allocation of Vec3D here
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Vec3 vec3d = player.position().subtract(this.entity.position());
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double d0 = (double) Math.min(this.getEffectiveRange(), io.papermc.paper.chunk.system.ChunkSystem.getSendViewDistance(player) * 16); // Paper - per player view distance
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- double d1 = vec3d.x * vec3d.x + vec3d.z * vec3d.z;
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+ double d1 = vec3d_dx * vec3d_dx + vec3d_dz * vec3d_dz; // Paper
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double d2 = d0 * d0;
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boolean flag = d1 <= d2 && this.entity.broadcastToPlayer(player);
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diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
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index 5ec480397fb043717c63961651f7c62440e57201..3f3c7ced3a43e2b0eb451930c09188e3706a1bee 100644
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--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
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+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
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@@ -161,7 +161,13 @@ public class ServerEntity {
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i = Mth.floor(this.entity.getYRot() * 256.0F / 360.0F);
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j = Mth.floor(this.entity.getXRot() * 256.0F / 360.0F);
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Vec3 vec3d = this.entity.trackingPosition();
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- boolean flag1 = this.positionCodec.delta(vec3d).lengthSqr() >= 7.62939453125E-6D;
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+ // Paper start - reduce allocation of Vec3D here
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+ Vec3 base = this.positionCodec.base;
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+ double vec3d_dx = vec3d.x - base.x;
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+ double vec3d_dy = vec3d.y - base.y;
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+ double vec3d_dz = vec3d.z - base.z;
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+ boolean flag1 = (vec3d_dx * vec3d_dx + vec3d_dy * vec3d_dy + vec3d_dz * vec3d_dz) >= 7.62939453125E-6D;
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+ // Paper end - reduce allocation of Vec3D here
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Packet<?> packet1 = null;
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boolean flag2 = flag1 || this.tickCount % 60 == 0;
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boolean flag3 = Math.abs(i - this.yRotp) >= 1 || Math.abs(j - this.xRotp) >= 1;
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