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de04cbced5
Upstream has released updates that appear 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: f29cb801 Separate checkstyle-suppressions file is not required 86f99bbe SPIGOT-7540, PR-946: Add ServerTickManager API d4119585 SPIGOT-6903, PR-945: Add BlockData#getMapColor b7a2ed41 SPIGOT-7530, PR-947: Add Player#removeResourcePack 9dd56255 SPIGOT-7527, PR-944: Add WindCharge#explode() 994a6163 Attempt upgrade of resolver libraries CraftBukkit Changes: b3b43a6ad Add Checkstyle check for unused imports 13fb3358e SPIGOT-7544: Scoreboard#getEntries() doesn't get entries but class names 3dda99c06 SPIGOT-7540, PR-1312: Add ServerTickManager API 2ab4508c0 SPIGOT-6903, PR-1311: Add BlockData#getMapColor 1dbdbbed4 PR-1238: Remove unnecessary sign ticking 659728d2a MC-264285, SPIGOT-7439, PR-1237: Fix unbreakable flint and steel is completely consumed while igniting creeper e37e29ce0 Increase outdated build delay c00438b39 SPIGOT-7530, PR-1313: Add Player#removeResourcePack 492dd80ce SPIGOT-7527, PR-1310: Add WindCharge#explode() e11fbb9d7 Upgrade MySQL driver 9f3a0bd2a Attempt upgrade of resolver libraries 60d16d7ca PR-1306: Centralize Bukkit and Minecraft entity conversion Spigot Changes: 06d602e7 Rebuild patches
214 lines
10 KiB
Diff
214 lines
10 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, 4 Jun 2020 02:24:49 -0400
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Subject: [PATCH] Optimize Bit Operations by inlining
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Inline bit operations and reduce instruction count to make these hot
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operations faster
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diff --git a/src/main/java/net/minecraft/core/BlockPos.java b/src/main/java/net/minecraft/core/BlockPos.java
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index fbdbf61f49bd6867eea609d5572fb31ece094944..441ea6b9fd55a5288f264472d7297728d0546d6b 100644
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--- a/src/main/java/net/minecraft/core/BlockPos.java
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+++ b/src/main/java/net/minecraft/core/BlockPos.java
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@@ -37,15 +37,16 @@ public class BlockPos extends Vec3i {
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}).stable();
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private static final Logger LOGGER = LogUtils.getLogger();
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public static final BlockPos ZERO = new BlockPos(0, 0, 0);
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- private static final int PACKED_X_LENGTH = 1 + Mth.log2(Mth.smallestEncompassingPowerOfTwo(30000000));
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- private static final int PACKED_Z_LENGTH = PACKED_X_LENGTH;
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- public static final int PACKED_Y_LENGTH = 64 - PACKED_X_LENGTH - PACKED_Z_LENGTH;
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- private static final long PACKED_X_MASK = (1L << PACKED_X_LENGTH) - 1L;
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- private static final long PACKED_Y_MASK = (1L << PACKED_Y_LENGTH) - 1L;
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- private static final long PACKED_Z_MASK = (1L << PACKED_Z_LENGTH) - 1L;
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- private static final int Y_OFFSET = 0;
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- private static final int Z_OFFSET = PACKED_Y_LENGTH;
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- private static final int X_OFFSET = PACKED_Y_LENGTH + PACKED_Z_LENGTH;
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+ // Paper start - static constants
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+ private static final int PACKED_X_LENGTH = 26;
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+ private static final int PACKED_Z_LENGTH = 26;
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+ public static final int PACKED_Y_LENGTH = 12;
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+ private static final long PACKED_X_MASK = 67108863;
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+ private static final long PACKED_Y_MASK = 4095;
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+ private static final long PACKED_Z_MASK = 67108863;
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+ private static final int Z_OFFSET = 12;
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+ private static final int X_OFFSET = 38;
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+ // Paper end
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public BlockPos(int x, int y, int z) {
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super(x, y, z);
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@@ -55,28 +56,29 @@ public class BlockPos extends Vec3i {
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this(pos.getX(), pos.getY(), pos.getZ());
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}
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+ public static long getAdjacent(int baseX, int baseY, int baseZ, Direction enumdirection) { return asLong(baseX + enumdirection.getStepX(), baseY + enumdirection.getStepY(), baseZ + enumdirection.getStepZ()); } // Paper
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public static long offset(long value, Direction direction) {
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return offset(value, direction.getStepX(), direction.getStepY(), direction.getStepZ());
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}
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public static long offset(long value, int x, int y, int z) {
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- return asLong(getX(value) + x, getY(value) + y, getZ(value) + z);
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+ return asLong((int) (value >> 38) + x, (int) ((value << 52) >> 52) + y, (int) ((value << 26) >> 38) + z); // Paper - simplify/inline
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}
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public static int getX(long packedPos) {
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- return (int)(packedPos << 64 - X_OFFSET - PACKED_X_LENGTH >> 64 - PACKED_X_LENGTH);
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+ return (int) (packedPos >> 38); // Paper - simplify/inline
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}
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public static int getY(long packedPos) {
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- return (int)(packedPos << 64 - PACKED_Y_LENGTH >> 64 - PACKED_Y_LENGTH);
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+ return (int) ((packedPos << 52) >> 52); // Paper - simplify/inline
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}
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public static int getZ(long packedPos) {
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- return (int)(packedPos << 64 - Z_OFFSET - PACKED_Z_LENGTH >> 64 - PACKED_Z_LENGTH);
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+ return (int) ((packedPos << 26) >> 38); // Paper - simplify/inline
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}
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public static BlockPos of(long packedPos) {
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- return new BlockPos(getX(packedPos), getY(packedPos), getZ(packedPos));
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+ return new BlockPos((int) (packedPos >> 38), (int) ((packedPos << 52) >> 52), (int) ((packedPos << 26) >> 38)); // Paper - simplify/inline
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}
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public static BlockPos containing(double x, double y, double z) {
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@@ -92,10 +94,7 @@ public class BlockPos extends Vec3i {
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}
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public static long asLong(int x, int y, int z) {
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- long l = 0L;
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- l |= ((long)x & PACKED_X_MASK) << X_OFFSET;
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- l |= ((long)y & PACKED_Y_MASK) << 0;
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- return l | ((long)z & PACKED_Z_MASK) << Z_OFFSET;
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+ return (((long) x & (long) 67108863) << 38) | (((long) y & (long) 4095)) | (((long) z & (long) 67108863) << 12); // Paper - inline constants and simplify
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}
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public static long getFlatIndex(long y) {
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diff --git a/src/main/java/net/minecraft/core/SectionPos.java b/src/main/java/net/minecraft/core/SectionPos.java
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index eb97928380384b8c33cf142dd9a5db65951c94c6..392c3681c08d9e3d99cbabaf72d22c1d1518998d 100644
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--- a/src/main/java/net/minecraft/core/SectionPos.java
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+++ b/src/main/java/net/minecraft/core/SectionPos.java
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@@ -38,7 +38,7 @@ public class SectionPos extends Vec3i {
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}
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public static SectionPos of(BlockPos pos) {
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- return new SectionPos(blockToSectionCoord(pos.getX()), blockToSectionCoord(pos.getY()), blockToSectionCoord(pos.getZ()));
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+ return new SectionPos(pos.getX() >> 4, pos.getY() >> 4, pos.getZ() >> 4); // Paper
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}
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public static SectionPos of(ChunkPos chunkPos, int y) {
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@@ -54,7 +54,7 @@ public class SectionPos extends Vec3i {
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}
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public static SectionPos of(long packed) {
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- return new SectionPos(x(packed), y(packed), z(packed));
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+ return new SectionPos((int) (packed >> 42), (int) (packed << 44 >> 44), (int) (packed << 22 >> 42)); // Paper
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}
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public static SectionPos bottomOf(ChunkAccess chunk) {
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@@ -65,8 +65,16 @@ public class SectionPos extends Vec3i {
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return offset(packed, direction.getStepX(), direction.getStepY(), direction.getStepZ());
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}
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+ // Paper start
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+ public static long getAdjacentFromBlockPos(int x, int y, int z, Direction enumdirection) {
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+ return (((long) ((x >> 4) + enumdirection.getStepX()) & 4194303L) << 42) | (((long) ((y >> 4) + enumdirection.getStepY()) & 1048575L)) | (((long) ((z >> 4) + enumdirection.getStepZ()) & 4194303L) << 20);
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+ }
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+ public static long getAdjacentFromSectionPos(int x, int y, int z, Direction enumdirection) {
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+ return (((long) (x + enumdirection.getStepX()) & 4194303L) << 42) | (((long) ((y) + enumdirection.getStepY()) & 1048575L)) | (((long) (z + enumdirection.getStepZ()) & 4194303L) << 20);
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+ }
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+ // Paper end
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public static long offset(long packed, int x, int y, int z) {
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- return asLong(x(packed) + x, y(packed) + y, z(packed) + z);
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+ return (((long) ((int) (packed >> 42) + x) & 4194303L) << 42) | (((long) ((int) (packed << 44 >> 44) + y) & 1048575L)) | (((long) ((int) (packed << 22 >> 42) + z) & 4194303L) << 20); // Simplify to reduce instruction count
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}
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public static int posToSectionCoord(double coord) {
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@@ -86,10 +94,7 @@ public class SectionPos extends Vec3i {
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}
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public static short sectionRelativePos(BlockPos pos) {
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- int i = sectionRelative(pos.getX());
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- int j = sectionRelative(pos.getY());
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- int k = sectionRelative(pos.getZ());
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- return (short)(i << 8 | k << 4 | j << 0);
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+ return (short) ((pos.getX() & 15) << 8 | (pos.getZ() & 15) << 4 | pos.getY() & 15); // Paper - simplify/inline
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}
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public static int sectionRelativeX(short packedLocalPos) {
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@@ -152,16 +157,16 @@ public class SectionPos extends Vec3i {
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return this.getZ();
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}
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- public int minBlockX() {
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- return sectionToBlockCoord(this.x());
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+ public final int minBlockX() { // Paper - make final
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+ return this.getX() << 4; // Paper - inline
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}
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- public int minBlockY() {
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- return sectionToBlockCoord(this.y());
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+ public final int minBlockY() { // Paper - make final
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+ return this.getY() << 4; // Paper - inline
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}
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- public int minBlockZ() {
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- return sectionToBlockCoord(this.z());
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+ public int minBlockZ() { // Paper - make final
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+ return this.getZ() << 4; // Paper - inline
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}
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public int maxBlockX() {
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@@ -177,7 +182,8 @@ public class SectionPos extends Vec3i {
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}
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public static long blockToSection(long blockPos) {
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- return asLong(blockToSectionCoord(BlockPos.getX(blockPos)), blockToSectionCoord(BlockPos.getY(blockPos)), blockToSectionCoord(BlockPos.getZ(blockPos)));
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+ // b(a(BlockPosition.b(i)), a(BlockPosition.c(i)), a(BlockPosition.d(i)));
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+ return (((long) (int) (blockPos >> 42) & 4194303L) << 42) | (((long) (int) ((blockPos << 52) >> 56) & 1048575L)) | (((long) (int) ((blockPos << 26) >> 42) & 4194303L) << 20); // Simplify to reduce instruction count
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}
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public static long getZeroNode(int x, int z) {
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@@ -205,15 +211,18 @@ public class SectionPos extends Vec3i {
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return asLong(blockToSectionCoord(pos.getX()), blockToSectionCoord(pos.getY()), blockToSectionCoord(pos.getZ()));
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}
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+ // Paper start
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+ public static long blockPosAsSectionLong(int i, int j, int k) {
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+ return (((long) (i >> 4) & 4194303L) << 42) | (((long) (j >> 4) & 1048575L)) | (((long) (k >> 4) & 4194303L) << 20);
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+ }
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+ // Paper end
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+
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public static long asLong(int x, int y, int z) {
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- long l = 0L;
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- l |= ((long)x & 4194303L) << 42;
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- l |= ((long)y & 1048575L) << 0;
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- return l | ((long)z & 4194303L) << 20;
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+ return (((long) x & 4194303L) << 42) | (((long) y & 1048575L)) | (((long) z & 4194303L) << 20); // Paper - Simplify to reduce instruction count
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}
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public long asLong() {
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- return asLong(this.x(), this.y(), this.z());
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+ return (((long) getX() & 4194303L) << 42) | (((long) getY() & 1048575L)) | (((long) getZ() & 4194303L) << 20); // Paper - Simplify to reduce instruction count
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}
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@Override
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@@ -226,16 +235,11 @@ public class SectionPos extends Vec3i {
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}
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public static Stream<SectionPos> cube(SectionPos center, int radius) {
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- int i = center.x();
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- int j = center.y();
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- int k = center.z();
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- return betweenClosedStream(i - radius, j - radius, k - radius, i + radius, j + radius, k + radius);
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+ return betweenClosedStream(center.getX() - radius, center.getY() - radius, center.getZ() - radius, center.getX() + radius, center.getY() + radius, center.getZ() + radius); // Paper - simplify/inline
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}
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public static Stream<SectionPos> aroundChunk(ChunkPos center, int radius, int minY, int maxY) {
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- int i = center.x;
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- int j = center.z;
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- return betweenClosedStream(i - radius, minY, j - radius, i + radius, maxY - 1, j + radius);
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+ return betweenClosedStream(center.x - radius, 0, center.z - radius, center.x + radius, 15, center.z + radius); // Paper - simplify/inline
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}
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public static Stream<SectionPos> betweenClosedStream(final int minX, final int minY, final int minZ, final int maxX, final int maxY, final int maxZ) {
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