geforkt von Mirrors/Paper
ef0e5a642d
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: 9ae3f10f SPIGOT-3842: Add Player#fireworkBoost() and expand Firework API 48c0c547 PR-786: Add methods to get sounds from entities CraftBukkit Changes: 5cc9c022a SPIGOT-7152: Handle hand item changing during air interact event 4ffa1acf6 SPIGOT-7154: Players get kicked when interacting with a conversation 4daa21123 SPIGOT-3842: Add Player#fireworkBoost() and expand Firework API e5d6a9bbf PR-1100: Add methods to get sounds from entities b7e9f1c8b SPIGOT-7146: Reduce use of Material switch in ItemMeta Spigot Changes: 4c157bb4 Rebuild patches
344 Zeilen
15 KiB
Diff
344 Zeilen
15 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Thu, 11 Mar 2021 20:05:44 -0800
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Subject: [PATCH] Custom table implementation for blockstate state lookups
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Testing some redstone intensive machines showed to bring about a 10%
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improvement.
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diff --git a/src/main/java/io/papermc/paper/util/table/ZeroCollidingReferenceStateTable.java b/src/main/java/io/papermc/paper/util/table/ZeroCollidingReferenceStateTable.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..57d0cd3ad6f972e986c72a57f1a6e36003f190c2
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/util/table/ZeroCollidingReferenceStateTable.java
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@@ -0,0 +1,160 @@
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+package io.papermc.paper.util.table;
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+
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+import com.google.common.collect.Table;
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+import net.minecraft.world.level.block.state.StateHolder;
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+import net.minecraft.world.level.block.state.properties.Property;
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+import java.util.Collection;
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+import java.util.HashSet;
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+import java.util.Map;
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+import java.util.Set;
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+
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+public final class ZeroCollidingReferenceStateTable {
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+
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+ // upper 32 bits: starting index
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+ // lower 32 bits: bitset for contained ids
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+ protected final long[] this_index_table;
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+ protected final Comparable<?>[] this_table;
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+ protected final StateHolder<?, ?> this_state;
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+
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+ protected long[] index_table;
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+ protected StateHolder<?, ?>[][] value_table;
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+
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+ public ZeroCollidingReferenceStateTable(final StateHolder<?, ?> state, final Map<Property<?>, Comparable<?>> this_map) {
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+ this.this_state = state;
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+ this.this_index_table = this.create_table(this_map.keySet());
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+
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+ int max_id = -1;
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+ for (final Property<?> property : this_map.keySet()) {
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+ final int id = lookup_vindex(property, this.this_index_table);
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+ if (id > max_id) {
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+ max_id = id;
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+ }
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+ }
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+
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+ this.this_table = new Comparable[max_id + 1];
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+ for (final Map.Entry<Property<?>, Comparable<?>> entry : this_map.entrySet()) {
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+ this.this_table[lookup_vindex(entry.getKey(), this.this_index_table)] = entry.getValue();
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+ }
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+ }
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+
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+ public void loadInTable(final Table<Property<?>, Comparable<?>, StateHolder<?, ?>> table,
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+ final Map<Property<?>, Comparable<?>> this_map) {
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+ final Set<Property<?>> combined = new HashSet<>(table.rowKeySet());
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+ combined.addAll(this_map.keySet());
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+
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+ this.index_table = this.create_table(combined);
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+
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+ int max_id = -1;
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+ for (final Property<?> property : combined) {
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+ final int id = lookup_vindex(property, this.index_table);
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+ if (id > max_id) {
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+ max_id = id;
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+ }
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+ }
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+
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+ this.value_table = new StateHolder[max_id + 1][];
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+
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+ final Map<Property<?>, Map<Comparable<?>, StateHolder<?, ?>>> map = table.rowMap();
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+ for (final Property<?> property : map.keySet()) {
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+ final Map<Comparable<?>, StateHolder<?, ?>> propertyMap = map.get(property);
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+
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+ final int id = lookup_vindex(property, this.index_table);
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+ final StateHolder<?, ?>[] states = this.value_table[id] = new StateHolder[property.getPossibleValues().size()];
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+
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+ for (final Map.Entry<Comparable<?>, StateHolder<?, ?>> entry : propertyMap.entrySet()) {
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+ if (entry.getValue() == null) {
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+ // TODO what
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+ continue;
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+ }
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+
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+ states[((Property)property).getIdFor(entry.getKey())] = entry.getValue();
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+ }
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+ }
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+
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+
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+ for (final Map.Entry<Property<?>, Comparable<?>> entry : this_map.entrySet()) {
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+ final Property<?> property = entry.getKey();
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+ final int index = lookup_vindex(property, this.index_table);
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+
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+ if (this.value_table[index] == null) {
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+ this.value_table[index] = new StateHolder[property.getPossibleValues().size()];
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+ }
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+
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+ this.value_table[index][((Property)property).getIdFor(entry.getValue())] = this.this_state;
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+ }
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+ }
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+
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+
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+ protected long[] create_table(final Collection<Property<?>> collection) {
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+ int max_id = -1;
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+ for (final Property<?> property : collection) {
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+ final int id = property.getId();
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+ if (id > max_id) {
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+ max_id = id;
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+ }
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+ }
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+
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+ final long[] ret = new long[((max_id + 1) + 31) >>> 5]; // ceil((max_id + 1) / 32)
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+
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+ for (final Property<?> property : collection) {
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+ final int id = property.getId();
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+
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+ ret[id >>> 5] |= (1L << (id & 31));
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+ }
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+
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+ int total = 0;
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+ for (int i = 1, len = ret.length; i < len; ++i) {
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+ ret[i] |= (long)(total += Long.bitCount(ret[i - 1] & 0xFFFFFFFFL)) << 32;
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+ }
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+
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+ return ret;
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+ }
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+
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+ public Comparable<?> get(final Property<?> state) {
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+ final Comparable<?>[] table = this.this_table;
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+ final int index = lookup_vindex(state, this.this_index_table);
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+
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+ if (index < 0 || index >= table.length) {
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+ return null;
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+ }
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+ return table[index];
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+ }
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+
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+ public StateHolder<?, ?> get(final Property<?> property, final Comparable<?> with) {
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+ final int withId = ((Property)property).getIdFor(with);
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+ if (withId < 0) {
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+ return null;
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+ }
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+
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+ final int index = lookup_vindex(property, this.index_table);
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+ final StateHolder<?, ?>[][] table = this.value_table;
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+ if (index < 0 || index >= table.length) {
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+ return null;
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+ }
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+
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+ final StateHolder<?, ?>[] values = table[index];
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+
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+ if (withId >= values.length) {
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+ return null;
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+ }
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+
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+ return values[withId];
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+ }
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+
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+ protected static int lookup_vindex(final Property<?> property, final long[] index_table) {
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+ final int id = property.getId();
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+ final long bitset_mask = (1L << (id & 31));
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+ final long lower_mask = bitset_mask - 1;
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+ final int index = id >>> 5;
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+ if (index >= index_table.length) {
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+ return -1;
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+ }
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+ final long index_value = index_table[index];
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+ final long contains_check = ((index_value & bitset_mask) - 1) >> (Long.SIZE - 1); // -1L if doesn't contain
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+
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+ // index = total bits set in lower table values (upper 32 bits of index_value) plus total bits set in lower indices below id
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+ // contains_check is 0 if the bitset had id set, else it's -1: so index is unaffected if contains_check == 0,
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+ // otherwise it comes out as -1.
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+ return (int)(((index_value >>> 32) + Long.bitCount(index_value & lower_mask)) | contains_check);
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/world/level/block/state/StateHolder.java b/src/main/java/net/minecraft/world/level/block/state/StateHolder.java
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index ab712fd29b316e1235645bacaa79aa0a64d0bc00..340d0648fcf9b9749c4daa1c25a226b947707c3d 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/StateHolder.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/StateHolder.java
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@@ -39,11 +39,13 @@ public abstract class StateHolder<O, S> {
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private final ImmutableMap<Property<?>, Comparable<?>> values;
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private Table<Property<?>, Comparable<?>, S> neighbours;
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protected final MapCodec<S> propertiesCodec;
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+ protected final io.papermc.paper.util.table.ZeroCollidingReferenceStateTable optimisedTable; // Paper - optimise state lookup
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protected StateHolder(O owner, ImmutableMap<Property<?>, Comparable<?>> entries, MapCodec<S> codec) {
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this.owner = owner;
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this.values = entries;
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this.propertiesCodec = codec;
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+ this.optimisedTable = new io.papermc.paper.util.table.ZeroCollidingReferenceStateTable(this, entries); // Paper - optimise state lookup
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}
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public <T extends Comparable<T>> S cycle(Property<T> property) {
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@@ -84,11 +86,11 @@ public abstract class StateHolder<O, S> {
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}
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public <T extends Comparable<T>> boolean hasProperty(Property<T> property) {
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- return this.values.containsKey(property);
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+ return this.optimisedTable.get(property) != null; // Paper - optimise state lookup
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}
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public <T extends Comparable<T>> T getValue(Property<T> property) {
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- Comparable<?> comparable = this.values.get(property);
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+ Comparable<?> comparable = this.optimisedTable.get(property); // Paper - optimise state lookup
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if (comparable == null) {
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throw new IllegalArgumentException("Cannot get property " + property + " as it does not exist in " + this.owner);
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} else {
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@@ -97,24 +99,18 @@ public abstract class StateHolder<O, S> {
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}
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public <T extends Comparable<T>> Optional<T> getOptionalValue(Property<T> property) {
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- Comparable<?> comparable = this.values.get(property);
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+ Comparable<?> comparable = this.optimisedTable.get(property); // Paper - optimise state lookup
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return comparable == null ? Optional.empty() : Optional.of(property.getValueClass().cast(comparable));
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}
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public <T extends Comparable<T>, V extends T> S setValue(Property<T> property, V value) {
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- Comparable<?> comparable = this.values.get(property);
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- if (comparable == null) {
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- throw new IllegalArgumentException("Cannot set property " + property + " as it does not exist in " + this.owner);
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- } else if (comparable == value) {
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- return (S)this;
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- } else {
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- S object = this.neighbours.get(property, value);
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- if (object == null) {
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- throw new IllegalArgumentException("Cannot set property " + property + " to " + value + " on " + this.owner + ", it is not an allowed value");
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- } else {
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- return object;
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- }
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+ // Paper start - optimise state lookup
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+ final S ret = (S)this.optimisedTable.get(property, value);
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+ if (ret == null) {
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+ throw new IllegalArgumentException("Cannot set property " + property + " to " + value + " on " + this.owner + ", it is not an allowed value");
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}
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+ return ret;
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+ // Paper end - optimise state lookup
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}
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public void populateNeighbours(Map<Map<Property<?>, Comparable<?>>, S> states) {
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@@ -133,7 +129,7 @@ public abstract class StateHolder<O, S> {
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}
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}
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- this.neighbours = (Table<Property<?>, Comparable<?>, S>)(table.isEmpty() ? table : ArrayTable.create(table));
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+ this.neighbours = (Table<Property<?>, Comparable<?>, S>)(table.isEmpty() ? table : ArrayTable.create(table)); this.optimisedTable.loadInTable((Table)this.neighbours, this.values); // Paper - optimise state lookup
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
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index ff1a0d125edd2ea10c870cbb62ae9aa23644b6dc..233215280f8494dbc33a2fd0b14e37e59f1cb643 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
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@@ -7,6 +7,13 @@ import java.util.Optional;
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public class BooleanProperty extends Property<Boolean> {
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private final ImmutableSet<Boolean> values = ImmutableSet.of(true, false);
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+ // Paper start - optimise iblockdata state lookup
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+ @Override
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+ public final int getIdFor(final Boolean value) {
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+ return value.booleanValue() ? 1 : 0;
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+ }
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+ // Paper end - optimise iblockdata state lookup
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+
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protected BooleanProperty(String name) {
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super(name, Boolean.class);
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}
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
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index 0bca0f971dac994bd8b6ecd87e8b33e26c0f18f9..edd3c745efb40ee79a1393199c7a27ddaa2f8026 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
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@@ -15,6 +15,15 @@ public class EnumProperty<T extends Enum<T> & StringRepresentable> extends Prope
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private final ImmutableSet<T> values;
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private final Map<String, T> names = Maps.newHashMap();
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+ // Paper start - optimise iblockdata state lookup
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+ private int[] idLookupTable;
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+
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+ @Override
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+ public final int getIdFor(final T value) {
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+ return this.idLookupTable[value.ordinal()];
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+ }
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+ // Paper end - optimise iblockdata state lookup
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+
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protected EnumProperty(String name, Class<T> type, Collection<T> values) {
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super(name, type);
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this.values = ImmutableSet.copyOf(values);
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@@ -28,6 +37,14 @@ public class EnumProperty<T extends Enum<T> & StringRepresentable> extends Prope
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this.names.put(string, enum_);
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}
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+ // Paper start - optimise iblockdata state lookup
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+ int id = 0;
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+ this.idLookupTable = new int[type.getEnumConstants().length];
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+ java.util.Arrays.fill(this.idLookupTable, -1);
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+ for (final T value : this.getPossibleValues()) {
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+ this.idLookupTable[value.ordinal()] = id++;
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+ }
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+ // Paper end - optimise iblockdata state lookup
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}
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@Override
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
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index bdbe0362e49e73c05237f9f3143230e0b03e494e..8eb20ea852a8e89c431fea55a7b60833a6c8104f 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
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@@ -11,6 +11,16 @@ public class IntegerProperty extends Property<Integer> {
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public final int min;
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public final int max;
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+ // Paper start - optimise iblockdata state lookup
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+ @Override
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+ public final int getIdFor(final Integer value) {
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+ final int val = value.intValue();
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+ final int ret = val - this.min;
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+
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+ return ret | ((this.max - ret) >> 31);
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+ }
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+ // Paper end - optimise iblockdata state lookup
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+
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protected IntegerProperty(String name, int min, int max) {
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super(name, Integer.class);
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if (min < 0) {
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/Property.java b/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
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index a37424bbc6bee02354abaa793aa0865c556c6bbe..f923593bd336dd1a950ba61603d53edb3c9703eb 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
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@@ -22,6 +22,17 @@ public abstract class Property<T extends Comparable<T>> {
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}, this::getName);
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private final Codec<Property.Value<T>> valueCodec = this.codec.xmap(this::value, Property.Value::value);
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+ // Paper start - optimise iblockdata state lookup
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+ private static final java.util.concurrent.atomic.AtomicInteger ID_GENERATOR = new java.util.concurrent.atomic.AtomicInteger();
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+ private final int id = ID_GENERATOR.getAndIncrement();
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+
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+ public final int getId() {
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+ return this.id;
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+ }
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+
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+ public abstract int getIdFor(final T value);
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+ // Paper end - optimise state lookup
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+
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protected Property(String name, Class<T> type) {
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this.clazz = type;
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this.name = name;
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