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bd38e0318a
Updated Upstream (Bukkit/CraftBukkit) 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: f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox) 9321d665 Move getItemInUse up to LivingEntity 819eef73 PR-959: Add access to current item's remaining ticks c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem be8261ca Add support for Java 22 26119676 PR-979: Add more translation keys 66753362 PR-985: Correct book maximum pages and characters per page documentation c8be92fa PR-980: Improve getArmorContents() documentation f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent CraftBukkit Changes: dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox) 51bbab2b9 Move getItemInUse up to LivingEntity 668e09602 PR-1331: Add access to current item's remaining ticks a639406d1 SPIGOT-7601: Add AbstractArrow#getItem 0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list 2188dcfa9 Add support for Java 22 45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime" 06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime ca3bc3707 PR-1361: Add more translation keys 366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs 06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates 45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent 29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
213 lines
11 KiB
Diff
213 lines
11 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 541cef99113af865b995af2cfb7a1e4724dd8878..e17fa30966dea2836fb791becd032fc7d5cc2611 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 - Optimize Bit Operations by inlining
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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 - Optimize Bit Operations by inlining
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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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