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e792da723a
Upstream has released updates that appears 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: 30885166 Update to Minecraft 1.16.4 CraftBukkit Changes: 3af81c71 Update to Minecraft 1.16.4 Spigot Changes: f011ca24 Update to Minecraft 1.16.4 Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
62 lines
4.4 KiB
Diff
62 lines
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/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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index 4965d0fbc123071a2f2f44f559336f7ab9013293..4efc40c01ec12b80bd7cf9d35cf0ea0df973baf7 100644
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--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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@@ -127,8 +127,12 @@ 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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@@ -145,9 +149,11 @@ 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/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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index 56a2d028040bb77bffee72330bc2a19986b45d00..21aba92fe1b5036a4df3add7688019446a1d5fe5 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
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@@ -2134,9 +2134,14 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
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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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