4104545b11
"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
62 lines
4.5 KiB
Diff
62 lines
4.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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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/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index 708c135fbdc5f071bd979dc496aefb1fac7a2284..0b2329d9ab2040e0793c7920307474c347c3117e 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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@@ -2142,9 +2142,14 @@ Sections go from 0..16. Now whenever a section is not empty, it can potentially
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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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- Vec3 vec3d = player.position().subtract(this.entity.position()); // MC-155077, SPIGOT-5113
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+ // Paper start - remove allocation of Vec3D here
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+ //Vec3D vec3d = entityplayer.getPositionVector().d(this.tracker.getPositionVector()); // MC-155077, SPIGOT-5113
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+ double vec3d_dx = player.getX() - this.entity.getX();
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+ double vec3d_dy = player.getY() - this.entity.getY();
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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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int i = Math.min(this.getEffectiveRange(), (ChunkMap.this.viewDistance - 1) * 16);
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- boolean flag = vec3d.x >= (double) (-i) && vec3d.x <= (double) i && vec3d.z >= (double) (-i) && vec3d.z <= (double) i && this.entity.broadcastToPlayer(player);
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+ boolean flag = vec3d_dx >= (double) (-i) && vec3d_dx <= (double) i && vec3d_dz >= (double) (-i) && vec3d_dz <= (double) i && this.entity.broadcastToPlayer(player); // Paper - remove allocation of Vec3D here
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// CraftBukkit start - respect vanish API
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if (this.entity instanceof ServerPlayer) {
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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 28afe2f238ded241acf77c3272a44068646b9133..44aa0c4ec6f0e4df2541c74fa7de852dae59bda5 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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@@ -144,8 +144,12 @@ public class ServerEntity {
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++this.teleportDelay;
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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.position().subtract(ClientboundMoveEntityPacket.packetToEntity(this.xp, this.yp, this.zp));
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- boolean flag1 = vec3d.lengthSqr() >= 7.62939453125E-6D;
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+ // Paper start - reduce allocation of Vec3D here
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+ double vec3d_dx = this.entity.getX() - 2.44140625E-4D*(this.xp);
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+ double vec3d_dy = this.entity.getY() - 2.44140625E-4D*(this.yp);
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+ double vec3d_dz = this.entity.getZ() - 2.44140625E-4D*(this.zp);
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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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@@ -162,9 +166,11 @@ public class ServerEntity {
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// CraftBukkit end
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if (this.tickCount > 0 || this.entity instanceof AbstractArrow) {
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- long k = ClientboundMoveEntityPacket.entityToPacket(vec3d.x);
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- long l = ClientboundMoveEntityPacket.entityToPacket(vec3d.y);
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- long i1 = ClientboundMoveEntityPacket.entityToPacket(vec3d.z);
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+ // Paper start - remove allocation of Vec3D here
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+ long k = ClientboundMoveEntityPacket.entityToPacket(vec3d_dx);
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+ long l = ClientboundMoveEntityPacket.entityToPacket(vec3d_dy);
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+ long i1 = ClientboundMoveEntityPacket.entityToPacket(vec3d_dz);
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+ // Paper end - remove allocation of Vec3D here
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boolean flag4 = k < -32768L || k > 32767L || l < -32768L || l > 32767L || i1 < -32768L || i1 > 32767L;
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if (!flag4 && this.teleportDelay <= 400 && !this.wasRiding && this.wasOnGround == this.entity.isOnGround()) {
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