Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-25 07:40:06 +01:00
62 Zeilen
4.4 KiB
Diff
62 Zeilen
4.4 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/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java
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index b64aa6c9ce906b08e43891f8c465fa4e8b2a8906..58dd349adf2bc9bac6569464ef7a7aec81729e79 100644
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--- a/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java
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+++ b/src/main/java/net/minecraft/server/level/EntityTrackerEntry.java
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@@ -155,8 +155,12 @@ public class EntityTrackerEntry {
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++this.o;
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i = MathHelper.d(this.tracker.yaw * 256.0F / 360.0F);
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j = MathHelper.d(this.tracker.pitch * 256.0F / 360.0F);
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- Vec3D vec3d = this.tracker.getPositionVector().d(PacketPlayOutEntity.a(this.xLoc, this.yLoc, this.zLoc));
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- boolean flag1 = vec3d.g() >= 7.62939453125E-6D;
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+ // Paper start - reduce allocation of Vec3D here
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+ double vec3d_dx = this.tracker.locX() - 2.44140625E-4D*(this.xLoc);
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+ double vec3d_dy = this.tracker.locY() - 2.44140625E-4D*(this.yLoc);
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+ double vec3d_dz = this.tracker.locZ() - 2.44140625E-4D*(this.zLoc);
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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.tickCounter % 60 == 0;
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boolean flag3 = Math.abs(i - this.yRot) >= 1 || Math.abs(j - this.xRot) >= 1;
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@@ -173,9 +177,11 @@ public class EntityTrackerEntry {
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// CraftBukkit end
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if (this.tickCounter > 0 || this.tracker instanceof EntityArrow) {
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- long k = PacketPlayOutEntity.a(vec3d.x);
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- long l = PacketPlayOutEntity.a(vec3d.y);
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- long i1 = PacketPlayOutEntity.a(vec3d.z);
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+ // Paper start - remove allocation of Vec3D here
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+ long k = PacketPlayOutEntity.a(vec3d_dx);
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+ long l = PacketPlayOutEntity.a(vec3d_dy);
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+ long i1 = PacketPlayOutEntity.a(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.o <= 400 && !this.q && this.r == this.tracker.isOnGround()) {
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diff --git a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
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index a7e3a979dca4dd7705a8f80366677378f0643f27..c3394b22d1a22fd83ff43473da34704ad547836f 100644
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--- a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
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@@ -2235,9 +2235,14 @@ Sections go from 0..16. Now whenever a section is not empty, it can potentially
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public void updatePlayer(EntityPlayer entityplayer) {
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org.spigotmc.AsyncCatcher.catchOp("player tracker update"); // Spigot
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if (entityplayer != this.tracker) {
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- Vec3D vec3d = entityplayer.getPositionVector().d(this.tracker.getPositionVector()); // 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 = entityplayer.locX() - this.tracker.locX();
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+ double vec3d_dy = entityplayer.locY() - this.tracker.locY();
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+ double vec3d_dz = entityplayer.locZ() - this.tracker.locZ();
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+ // Paper end - remove allocation of Vec3D here
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int i = Math.min(this.b(), (PlayerChunkMap.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.tracker.a(entityplayer);
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+ boolean flag = vec3d_dx >= (double) (-i) && vec3d_dx <= (double) i && vec3d_dz >= (double) (-i) && vec3d_dz <= (double) i && this.tracker.a(entityplayer); // Paper - remove allocation of Vec3D here
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if (flag) {
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boolean flag1 = this.tracker.attachedToPlayer;
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