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Paper/patches/server-remapped/0418-Optimise-TickListServer-by-rewriting-it.patch
Mariell Hoversholm a207d14a0e
Rename all patches to correct numbering scheme 
Signed-off-by: Mariell Hoversholm <proximyst@proximyst.com>
2021-06-11 15:46:44 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 14 Feb 2020 01:24:39 -0800
Subject: [PATCH] Optimise TickListServer by rewriting it
In my profiling TickListServer showed up as
~10% for saving chunks and ~5% for the scheduling
of items on a server with ~90 players at
view distance = 5. Most of the performance
loss is unneccessary.
TickListServer has numerous performance issues:
1. Handling scheduled items is O(nlogn)
2. Getting scheduled items for a chunk is O(n),
with n being the the number of scheduled items
for all chunks (hits saving very hard)
3. Checking if an item is scheduled for the current tick is O(n),
with n being the number of items scheduled for current tick
4. Items not in ticking chunks are churned in the scheduler
The biggest issues are 4 & 2.
We solve 1 by splitting up scheduled items into short and long scheduled,
where we expect the vast majority of our entries to be in the short scheduled
set. Handling short scheduled items is O(n) due to how the comparison
process is reduced to mapping. See TickListServerInterval. However,
this isn't memory-efficient - which is why long scheduled exists.
Long scheduled is handled the same as TickListServer.
2 is solved by mapping what entries are in what chunks.
3 is solved by mapping what blocks have what scheduled for them.
4 is solved by moving the items that are not in ticking chunks
into a map of entries for that chunk. Once the chunk is moved
to ticking, the items are re-scheduled.
This patch has also added two flags to debug excessive tick delays:
-Dpaper.ticklist-warn-on-excessive-delay=true (false by default)
and -Dpaper.ticklist-excessive-delay-threshold=ticks which
sets the excessive tick delay to the specified ticks (defaults to
60 * 20 ticks, aka 60 seconds)
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 8bf4d2b8c38c02d6a5b2fea37113689a252f1571..da93d38fe63035e4ff198ada84a4431f52d97c01 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -354,6 +354,13 @@ public class PaperConfig {
maxBookTotalSizeMultiplier = getDouble("settings.book-size.total-multiplier", maxBookTotalSizeMultiplier);
}
+ public static boolean useOptimizedTickList = true;
+ private static void useOptimizedTickList() {
+ if (config.contains("settings.use-optimized-ticklist")) { // don't add default, hopefully temporary config
+ useOptimizedTickList = config.getBoolean("settings.use-optimized-ticklist");
+ }
+ }
+
public static boolean asyncChunks = false;
private static void asyncChunks() {
ConfigurationSection section;
diff --git a/src/main/java/com/destroystokyo/paper/server/ticklist/PaperTickList.java b/src/main/java/com/destroystokyo/paper/server/ticklist/PaperTickList.java
new file mode 100644
index 0000000000000000000000000000000000000000..1ce556fb808a8c93106e26da7b24f9a2d579909b
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/server/ticklist/PaperTickList.java
@@ -0,0 +1,628 @@
+package com.destroystokyo.paper.server.ticklist;
+
+import java.util.function.Function;
+import net.minecraft.CrashReport;
+import net.minecraft.CrashReportCategory;
+import net.minecraft.ReportedException;
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MCUtil;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerChunkCache;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.ServerTickList;
+import net.minecraft.world.level.TickNextTickData;
+import net.minecraft.world.level.TickPriority;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.levelgen.structure.BoundingBox;
+import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectRBTreeSet;
+import java.util.ArrayDeque;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Iterator;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+
+public final class PaperTickList<T> extends ServerTickList<T> { // extend to avoid breaking ABI
+
+ // in the order the state is expected to change (mostly)
+ public static final int STATE_UNSCHEDULED = 1 << 0;
+ public static final int STATE_SCHEDULED = 1 << 1; // scheduled for some tick
+ public static final int STATE_PENDING_TICK = 1 << 2; // for this tick
+ public static final int STATE_TICKING = 1 << 3;
+ public static final int STATE_TICKED = 1 << 4; // after this, it gets thrown back to unscheduled
+ public static final int STATE_CANCELLED_TICK = 1 << 5; // still gets moved to unscheduled after tick
+
+ private static final int SHORT_SCHEDULE_TICK_THRESHOLD = 20 * 20 + 1; // 20 seconds
+
+ private final ServerLevel world;
+ private final Predicate<T> excludeFromScheduling;
+ private final Function<T, ResourceLocation> getMinecraftKeyFrom;
+ //private final Function<MinecraftKey, T> getObjectFronMinecraftKey;
+ private final Consumer<TickNextTickData<T>> tickFunction;
+
+ private final co.aikar.timings.Timing timingCleanup; // Paper
+ private final co.aikar.timings.Timing timingTicking; // Paper
+ private final co.aikar.timings.Timing timingFinished;
+
+ // note: remove ops / add ops suck on fastutil, a chained hashtable implementation would work better, but Long...
+ // try to alleviate with a very small load factor
+ private final Long2ObjectOpenHashMap<ArrayList<TickNextTickData<T>>> entriesByBlock = new Long2ObjectOpenHashMap<>(1024, 0.25f);
+ private final Long2ObjectOpenHashMap<ObjectRBTreeSet<TickNextTickData<T>>> entriesByChunk = new Long2ObjectOpenHashMap<>(1024, 0.25f);
+ private final Long2ObjectOpenHashMap<ArrayList<TickNextTickData<T>>> pendingChunkTickLoad = new Long2ObjectOpenHashMap<>(1024, 0.5f);
+
+ // fastutil has O(1) first/last while TreeMap/TreeSet are log(n)
+ private final ObjectRBTreeSet<TickNextTickData<T>> longScheduled = new ObjectRBTreeSet<>(TickListServerInterval.ENTRY_COMPARATOR);
+
+ private final ArrayDeque<TickNextTickData<T>> toTickThisTick = new ArrayDeque<>();
+
+ private final TickListServerInterval<T>[] shortScheduled = new TickListServerInterval[SHORT_SCHEDULE_TICK_THRESHOLD];
+ {
+ for (int i = 0, len = this.shortScheduled.length; i < len; ++i) {
+ this.shortScheduled[i] = new TickListServerInterval<>();
+ }
+ }
+ private int shortScheduledIndex;
+
+ private long currentTick;
+
+ private static final boolean WARN_ON_EXCESSIVE_DELAY = Boolean.getBoolean("paper.ticklist-warn-on-excessive-delay");
+ private static final long EXCESSIVE_DELAY_THRESHOLD = Long.getLong("paper.ticklist-excessive-delay-threshold", 60 * 20).longValue(); // 1 min dfl
+
+ // assume index < length
+ private static int getWrappedIndex(final int start, final int length, final int index) {
+ final int next = start + index;
+ return next < length ? next : next - length;
+ }
+
+ private static int getNextIndex(final int curr, final int length) {
+ final int next = curr + 1;
+ return next < length ? next : 0;
+ }
+
+ public PaperTickList(final ServerLevel world, final Predicate<T> excludeFromScheduling, final Function<T, ResourceLocation> getMinecraftKeyFrom,
+ final Consumer<TickNextTickData<T>> tickFunction, final String timingsType) {
+ super(world, excludeFromScheduling, getMinecraftKeyFrom, tickFunction, timingsType);
+ this.world = world;
+ this.excludeFromScheduling = excludeFromScheduling;
+ this.getMinecraftKeyFrom = getMinecraftKeyFrom;
+ this.tickFunction = tickFunction;
+ this.timingCleanup = co.aikar.timings.WorldTimingsHandler.getTickList(world, timingsType + " - Cleanup"); // Paper
+ this.timingTicking = co.aikar.timings.WorldTimingsHandler.getTickList(world, timingsType + " - Ticking"); // Paper
+ this.timingFinished = co.aikar.timings.WorldTimingsHandler.getTickList(world, timingsType + " - Finish");
+ this.currentTick = this.world.getGameTime();
+ }
+
+ private void queueEntryForTick(final TickNextTickData<T> entry, final ServerChunkCache chunkProvider) {
+ if (entry.tickState == STATE_SCHEDULED) {
+ if (chunkProvider.isTickingReadyMainThread(entry.getPosition())) {
+ this.toTickThisTick.add(entry);
+ entry.tickState = STATE_PENDING_TICK;
+ } else {
+ // we dump them to a map to avoid constantly re-scheduling them
+ this.addToNotTickingReady(entry);
+ }
+ }
+ }
+
+ private void addToNotTickingReady(final TickNextTickData<T> entry) {
+ this.pendingChunkTickLoad.computeIfAbsent(MCUtil.getCoordinateKey(entry.getPosition()), (long keyInMap) -> {
+ return new ArrayList<>();
+ }).add(entry);
+ }
+
+ private void addToSchedule(final TickNextTickData<T> entry) {
+ long delay = entry.getTargetTick() - (this.currentTick + 1);
+ if (delay < SHORT_SCHEDULE_TICK_THRESHOLD) {
+ if (delay < 0) {
+ // longScheduled orders by tick time, short scheduled does not
+ this.longScheduled.add(entry);
+ } else {
+ this.shortScheduled[getWrappedIndex(this.shortScheduledIndex, SHORT_SCHEDULE_TICK_THRESHOLD, (int)delay)].addEntryLast(entry);
+ }
+ } else {
+ this.longScheduled.add(entry);
+ }
+ }
+
+ private void removeEntry(final TickNextTickData<T> entry) {
+ entry.tickState = STATE_CANCELLED_TICK;
+ // short/long scheduled will skip the entry
+
+ final BlockPos pos = entry.getPosition();
+ final long blockKey = MCUtil.getBlockKey(pos);
+
+ final ArrayList<TickNextTickData<T>> currentEntries = this.entriesByBlock.get(blockKey);
+
+ if (currentEntries.size() == 1) {
+ // it should contain our entry
+ this.entriesByBlock.remove(blockKey);
+ } else {
+ // it's more likely that this entry is at the start of the list than the end
+ for (int i = 0, len = currentEntries.size(); i < len; ++i) {
+ final TickNextTickData<T> currentEntry = currentEntries.get(i);
+ if (currentEntry == entry) {
+ currentEntries.remove(i);
+ break;
+ }
+ }
+ }
+
+ final long chunkKey = MCUtil.getCoordinateKey(entry.getPosition());
+
+ ObjectRBTreeSet<TickNextTickData<T>> set = this.entriesByChunk.get(chunkKey);
+
+ set.remove(entry);
+
+ if (set.isEmpty()) {
+ this.entriesByChunk.remove(chunkKey);
+ }
+
+ ArrayList<TickNextTickData<T>> pendingTickingLoad = this.pendingChunkTickLoad.get(chunkKey);
+
+ if (pendingTickingLoad != null) {
+ for (int i = 0, len = pendingTickingLoad.size(); i < len; ++i) {
+ if (pendingTickingLoad.get(i) == entry) {
+ pendingTickingLoad.remove(i);
+ break;
+ }
+ }
+
+ if (pendingTickingLoad.isEmpty()) {
+ this.pendingChunkTickLoad.remove(chunkKey);
+ }
+ }
+
+ long delay = entry.getTargetTick() - (this.currentTick + 1);
+ if (delay >= SHORT_SCHEDULE_TICK_THRESHOLD) {
+ this.longScheduled.remove(entry);
+ }
+ }
+
+ public void onChunkSetTicking(final int chunkX, final int chunkZ) {
+ final ArrayList<TickNextTickData<T>> pending = this.pendingChunkTickLoad.remove(MCUtil.getCoordinateKey(chunkX, chunkZ));
+ if (pending == null) {
+ return;
+ }
+
+ for (int i = 0, size = pending.size(); i < size; ++i) {
+ final TickNextTickData<T> entry = pending.get(i);
+ // already in all the relevant reference maps, just need to add to longScheduled or shortScheduled
+ this.addToSchedule(entry);
+ }
+ }
+
+ private void prepare() {
+ final long currentTick = this.currentTick;
+
+ final ServerChunkCache chunkProvider = this.world.getChunkSource();
+
+ // here we setup what's going to tick
+
+ // we don't remove items from shortScheduled (but do from longScheduled) because they're cleared at the end of
+ // this tick
+ if (this.longScheduled.isEmpty() || this.longScheduled.first().getTargetTick() > currentTick) {
+ // nothing in longScheduled to worry about
+ final TickListServerInterval<T> interval = this.shortScheduled[this.shortScheduledIndex];
+ for (int i = 0, len = interval.byPriority.length; i < len; ++i) {
+ for (final Iterator<TickNextTickData<T>> iterator = interval.byPriority[i].iterator(); iterator.hasNext();) {
+ this.queueEntryForTick(iterator.next(), chunkProvider);
+ }
+ }
+ } else {
+ final TickListServerInterval<T> interval = this.shortScheduled[this.shortScheduledIndex];
+
+ // combine interval and longScheduled, keeping order
+ final Comparator<TickNextTickData<T>> comparator = (Comparator)TickListServerInterval.ENTRY_COMPARATOR;
+ final Iterator<TickNextTickData<T>> longScheduledIterator = this.longScheduled.iterator();
+ TickNextTickData<T> longCurrent = longScheduledIterator.next();
+
+ for (int i = 0, len = interval.byPriority.length; i < len; ++i) {
+ for (final Iterator<TickNextTickData<T>> iterator = interval.byPriority[i].iterator(); iterator.hasNext();) {
+ final TickNextTickData<T> shortCurrent = iterator.next();
+ if (longCurrent != null) {
+ // drain longCurrent until we can add shortCurrent
+ while (comparator.compare(longCurrent, shortCurrent) <= 0) {
+ this.queueEntryForTick(longCurrent, chunkProvider);
+ longScheduledIterator.remove();
+ if (longScheduledIterator.hasNext()) {
+ longCurrent = longScheduledIterator.next();
+ if (longCurrent.getTargetTick() > currentTick) {
+ longCurrent = null;
+ break;
+ }
+ } else {
+ longCurrent = null;
+ break;
+ }
+ }
+ }
+ this.queueEntryForTick(shortCurrent, chunkProvider);
+ }
+ }
+
+ // add remaining from long scheduled
+ for (;;) {
+ if (longCurrent == null || longCurrent.getTargetTick() > currentTick) {
+ break;
+ }
+ longScheduledIterator.remove();
+ this.queueEntryForTick(longCurrent, chunkProvider);
+
+ if (longScheduledIterator.hasNext()) {
+ longCurrent = longScheduledIterator.next();
+ } else {
+ break;
+ }
+ }
+ }
+ }
+
+ private boolean warnedAboutDesync;
+
+ @Override
+ public void nextTick() {
+ ++this.currentTick;
+ if (this.currentTick != this.world.getGameTime()) {
+ if (!this.warnedAboutDesync) {
+ this.warnedAboutDesync = true;
+ MinecraftServer.LOGGER.error("World tick desync detected! Expected " + this.currentTick + " ticks, but got " + this.world.getGameTime() + " ticks for world '" + this.world.getWorld().getName() + "'", new Throwable());
+ MinecraftServer.LOGGER.error("Preventing redstone from breaking by refusing to accept new tick time");
+ }
+ }
+ }
+
+ @Override
+ public void tick() {
+ final ServerChunkCache chunkProvider = this.world.getChunkSource();
+
+ this.world.getProfiler().push("cleaning");
+ this.timingCleanup.startTiming();
+
+ this.prepare();
+
+ // this must be done here in case something schedules in the tick code
+ this.shortScheduled[this.shortScheduledIndex].clear();
+ this.shortScheduledIndex = getNextIndex(this.shortScheduledIndex, SHORT_SCHEDULE_TICK_THRESHOLD);
+
+ this.timingCleanup.stopTiming();
+ this.world.getProfiler().popPush("ticking");
+ this.timingTicking.startTiming();
+
+ for (final TickNextTickData<T> toTick : this.toTickThisTick) {
+ if (toTick.tickState != STATE_PENDING_TICK) {
+ // onTickEnd gets called at end of tick
+ continue;
+ }
+ try {
+ if (chunkProvider.isTickingReadyMainThread(toTick.getPosition())) {
+ toTick.tickState = STATE_TICKING;
+ this.tickFunction.accept(toTick);
+ if (toTick.tickState == STATE_TICKING) {
+ toTick.tickState = STATE_TICKED;
+ } // else it's STATE_CANCELLED_TICK
+ } else {
+ // re-schedule eventually
+ toTick.tickState = STATE_SCHEDULED;
+ this.addToNotTickingReady(toTick);
+ }
+ } catch (final Throwable thr) {
+ // start copy from TickListServer // TODO check on update
+ CrashReport crashreport = CrashReport.forThrowable(thr, "Exception while ticking");
+ CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Block being ticked");
+
+ CrashReportCategory.populateBlockDetails(crashreportsystemdetails, toTick.getPosition(), (BlockState) null);
+ throw new ReportedException(crashreport);
+ // end copy from TickListServer
+ }
+ }
+
+ this.timingTicking.stopTiming();
+ this.world.getProfiler().pop();
+ this.timingFinished.startTiming();
+
+ // finished ticking, actual cleanup time
+ for (int i = 0, len = this.toTickThisTick.size(); i < len; ++i) {
+ final TickNextTickData<T> entry = this.toTickThisTick.poll();
+ if (entry.tickState != STATE_SCHEDULED) {
+ // some entries get re-scheduled due to their chunk not being loaded/at correct status, so do not
+ // call onTickEnd for them
+ this.onTickEnd(entry);
+ }
+ }
+
+ this.timingFinished.stopTiming();
+ }
+
+ private void onTickEnd(final TickNextTickData<T> entry) {
+ if (entry.tickState == STATE_CANCELLED_TICK) {
+ return;
+ }
+ entry.tickState = STATE_UNSCHEDULED;
+
+ final BlockPos pos = entry.getPosition();
+ final long blockKey = MCUtil.getBlockKey(pos);
+
+ final ArrayList<TickNextTickData<T>> currentEntries = this.entriesByBlock.get(blockKey);
+
+ if (currentEntries.size() == 1) {
+ // it should contain our entry
+ this.entriesByBlock.remove(blockKey);
+ } else {
+ // it's more likely that this entry is at the start of the list than the end
+ for (int i = 0, len = currentEntries.size(); i < len; ++i) {
+ final TickNextTickData<T> currentEntry = currentEntries.get(i);
+ if (currentEntry == entry) {
+ currentEntries.remove(i);
+ break;
+ }
+ }
+ }
+
+ final long chunkKey = MCUtil.getCoordinateKey(entry.getPosition());
+
+ ObjectRBTreeSet<TickNextTickData<T>> set = this.entriesByChunk.get(chunkKey);
+
+ set.remove(entry);
+
+ if (set.isEmpty()) {
+ this.entriesByChunk.remove(chunkKey);
+ }
+
+ // already removed from longScheduled or shortScheduled
+ }
+
+ @Override
+ public boolean isPendingTickThisTick(final BlockPos blockposition, final T data) {
+ final ArrayList<TickNextTickData<T>> entries = this.entriesByBlock.get(MCUtil.getBlockKey(blockposition));
+
+ if (entries == null) {
+ return false;
+ }
+
+ for (int i = 0, size = entries.size(); i < size; ++i) {
+ final TickNextTickData<T> entry = entries.get(i);
+ if (entry.getData() == data && entry.tickState == STATE_PENDING_TICK) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ @Override
+ public boolean isScheduledForTick(final BlockPos blockposition, final T data) {
+ final ArrayList<TickNextTickData<T>> entries = this.entriesByBlock.get(MCUtil.getBlockKey(blockposition));
+
+ if (entries == null) {
+ return false;
+ }
+
+ for (int i = 0, size = entries.size(); i < size; ++i) {
+ final TickNextTickData<T> entry = entries.get(i);
+ if (entry.getData() == data && entry.tickState == STATE_SCHEDULED) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ @Override
+ public void schedule(BlockPos blockPosition, T t, int i, TickPriority tickListPriority) {
+ this.schedule(blockPosition, t, i + this.currentTick, tickListPriority);
+ }
+
+ public void schedule(final TickNextTickData<T> entry) {
+ this.schedule(entry.getPosition(), entry.getData(), entry.getTargetTick(), entry.getPriority());
+ }
+
+ public void schedule(final BlockPos pos, final T data, final long targetTick, final TickPriority priority) {
+ final TickNextTickData<T> entry = new TickNextTickData<>(pos, data, targetTick, priority);
+ if (this.excludeFromScheduling.test(entry.getData())) {
+ return;
+ }
+
+ if (WARN_ON_EXCESSIVE_DELAY) {
+ final long delay = entry.getTargetTick() - this.currentTick;
+ if (delay >= EXCESSIVE_DELAY_THRESHOLD) {
+ MinecraftServer.LOGGER.warn("Entry " + entry.toString() + " has been scheduled with an excessive delay of: " + delay, new Throwable());
+ }
+ }
+
+ final long blockKey = MCUtil.getBlockKey(pos);
+
+ final ArrayList<TickNextTickData<T>> currentEntries = this.entriesByBlock.computeIfAbsent(blockKey, (long keyInMap) -> new ArrayList<>(3));
+
+ if (currentEntries.isEmpty()) {
+ currentEntries.add(entry);
+ } else {
+ for (int i = 0, size = currentEntries.size(); i < size; ++i) {
+ final TickNextTickData<T> currentEntry = currentEntries.get(i);
+
+ // entries are only blocked from scheduling if currentEntry.equals(toSchedule) && currentEntry is scheduled to tick (NOT including pending)
+ if (currentEntry.getData() == entry.getData() && currentEntry.tickState == STATE_SCHEDULED) {
+ // can't add
+ return;
+ }
+ }
+ currentEntries.add(entry);
+ }
+
+ entry.tickState = STATE_SCHEDULED;
+
+ this.entriesByChunk.computeIfAbsent(MCUtil.getCoordinateKey(entry.getPosition()), (final long keyInMap) -> {
+ return new ObjectRBTreeSet<>(TickListServerInterval.ENTRY_COMPARATOR);
+ }).add(entry);
+
+ this.addToSchedule(entry);
+ }
+
+ public void scheduleAll(final Iterator<TickNextTickData<T>> iterator) {
+ while (iterator.hasNext()) {
+ this.schedule(iterator.next());
+ }
+ }
+
+ // this is not the standard interception calculation, but it's the one vanilla uses
+ // i.e the y value is ignored? the x, z calc isn't correct?
+ // however for the copy op they use the correct intersection, after using this one of course...
+ private static boolean isBlockInSortof(final BoundingBox boundingBox, final BlockPos pos) {
+ return pos.getX() >= boundingBox.getMinX() && pos.getX() < boundingBox.getMaxX() && pos.getZ() >= boundingBox.getMinZ() && pos.getZ() < boundingBox.getMaxZ();
+ }
+
+ @Override
+ public List<TickNextTickData<T>> getEntriesInBoundingBox(final BoundingBox structureboundingbox, final boolean removeReturned, final boolean excludeTicked) {
+ if (structureboundingbox.getMinX() == structureboundingbox.getMaxX() || structureboundingbox.getMinZ() == structureboundingbox.getMaxZ()) {
+ return Collections.emptyList(); // vanilla behaviour, check isBlockInSortof above
+ }
+
+ final int lowerChunkX = structureboundingbox.getMinX() >> 4;
+ final int upperChunkX = (structureboundingbox.getMaxX() - 1) >> 4; // subtract 1 since maxX is exclusive
+ final int lowerChunkZ = structureboundingbox.getMinZ() >> 4;
+ final int upperChunkZ = (structureboundingbox.getMaxZ() - 1) >> 4; // subtract 1 since maxZ is exclusive
+
+ final int xChunksLength = (upperChunkX - lowerChunkX + 1);
+ final int zChunksLength = (upperChunkZ - lowerChunkZ + 1);
+
+ final ObjectRBTreeSet<TickNextTickData<T>>[] containingChunks = new ObjectRBTreeSet[xChunksLength * zChunksLength];
+
+ final int offset = (xChunksLength * -lowerChunkZ - lowerChunkX);
+ int totalEntries = 0;
+ for (int currChunkX = lowerChunkX; currChunkX <= upperChunkX; ++currChunkX) {
+ for (int currChunkZ = lowerChunkZ; currChunkZ <= upperChunkZ; ++currChunkZ) {
+ // todo optimize
+ //final int index = (currChunkX - lowerChunkX) + xChunksLength * (currChunkZ - lowerChunkZ);
+ final int index = offset + currChunkX + xChunksLength * currChunkZ;
+ final ObjectRBTreeSet<TickNextTickData<T>> set = containingChunks[index] = this.entriesByChunk.get(MCUtil.getCoordinateKey(currChunkX, currChunkZ));
+ if (set != null) {
+ totalEntries += set.size();
+ }
+ }
+ }
+
+ final List<TickNextTickData<T>> ret = new ArrayList<>(totalEntries);
+
+ final int matchOne = (STATE_SCHEDULED | STATE_PENDING_TICK) | (excludeTicked ? 0 : (STATE_TICKING | STATE_TICKED));
+
+ MCUtil.mergeSortedSets((TickNextTickData<T> entry) -> {
+ if (!isBlockInSortof(structureboundingbox, entry.getPosition())) {
+ return;
+ }
+ final int tickState = entry.tickState;
+ if ((tickState & matchOne) == 0) {
+ return;
+ }
+
+ ret.add(entry);
+ return;
+ }, TickListServerInterval.ENTRY_COMPARATOR, containingChunks);
+
+ if (removeReturned) {
+ for (TickNextTickData<T> entry : ret) {
+ this.removeEntry(entry);
+ }
+ }
+
+ return ret;
+ }
+
+ @Override
+ public void copy(BoundingBox structureboundingbox, BlockPos blockposition) {
+ // start copy from TickListServer // TODO check on update
+ List<TickNextTickData<T>> list = this.getEntriesInBoundingBox(structureboundingbox, false, false);
+ Iterator<TickNextTickData<T>> iterator = list.iterator();
+
+ while (iterator.hasNext()) {
+ TickNextTickData<T> nextticklistentry = iterator.next();
+
+ if (structureboundingbox.hasPoint( nextticklistentry.getPosition())) {
+ BlockPos blockposition1 = nextticklistentry.getPosition().add(blockposition);
+ T t0 = nextticklistentry.getData();
+
+ this.schedule(new TickNextTickData<>(blockposition1, t0, nextticklistentry.getTargetTick(), nextticklistentry.getPriority()));
+ }
+ }
+ // end copy from TickListServer
+ }
+
+ @Override
+ public List<TickNextTickData<T>> getEntriesInChunk(ChunkPos chunkPos, boolean removeReturned, boolean excludeTicked) {
+ // Vanilla DOES get the entries 2 blocks out of the chunk too, but that doesn't matter since we ignore chunks
+ // not at ticking status, and ticking status requires neighbours loaded
+ // so with this method we will reduce scheduler churning
+ final int matchOne = (STATE_SCHEDULED | STATE_PENDING_TICK) | (excludeTicked ? 0 : (STATE_TICKING | STATE_TICKED));
+
+ final ObjectRBTreeSet<TickNextTickData<T>> entries = this.entriesByChunk.get(MCUtil.getCoordinateKey(chunkPos));
+
+ if (entries == null) {
+ return Collections.emptyList();
+ }
+
+ final List<TickNextTickData<T>> ret = new ArrayList<>(entries.size());
+
+ for (TickNextTickData<T> entry : entries) {
+ if ((entry.tickState & matchOne) == 0) {
+ continue;
+ }
+ ret.add(entry);
+ }
+
+ if (removeReturned) {
+ for (TickNextTickData<T> entry : ret) {
+ this.removeEntry(entry);
+ }
+ }
+
+ return ret;
+ }
+
+ @Override
+ public ListTag serialize(ChunkPos chunkcoordintpair) {
+ // start copy from TickListServer // TODO check on update
+ List<TickNextTickData<T>> list = this.getEntriesInChunk(chunkcoordintpair, false, true);
+
+ return ServerTickList.serialize(this.getMinecraftKeyFrom, list, this.currentTick);
+ // end copy from TickListServer
+ }
+
+ @Override
+ public int getTotalScheduledEntries() {
+ // good thing this is only used in debug reports // TODO check on update
+ int ret = 0;
+
+ for (TickNextTickData<T> entry : this.longScheduled) {
+ if (entry.tickState == STATE_SCHEDULED) {
+ ++ret;
+ }
+ }
+
+ for (Iterator<Long2ObjectMap.Entry<ArrayList<TickNextTickData<T>>>> iterator = this.pendingChunkTickLoad.long2ObjectEntrySet().iterator(); iterator.hasNext();) {
+ ArrayList<TickNextTickData<T>> list = iterator.next().getValue();
+
+ for (TickNextTickData<T> entry : list) {
+ if (entry.tickState == STATE_SCHEDULED) {
+ ++ret;
+ }
+ }
+ }
+
+ for (TickListServerInterval<T> interval : this.shortScheduled) {
+ for (Iterable<TickNextTickData<T>> set : interval.byPriority) {
+ for (TickNextTickData<T> entry : set) {
+ if (entry.tickState == STATE_SCHEDULED) {
+ ++ret;
+ }
+ }
+ }
+ }
+
+ return ret;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/server/ticklist/TickListServerInterval.java b/src/main/java/com/destroystokyo/paper/server/ticklist/TickListServerInterval.java
new file mode 100644
index 0000000000000000000000000000000000000000..d40a7aff6c27883f3ae8ba878a94c97242619f2c
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/server/ticklist/TickListServerInterval.java
@@ -0,0 +1,41 @@
+package com.destroystokyo.paper.server.ticklist;
+
+import com.destroystokyo.paper.util.set.LinkedSortedSet;
+import java.util.Comparator;
+import net.minecraft.world.level.TickNextTickData;
+import net.minecraft.world.level.TickPriority;
+
+// represents a set of entries to tick at a specified time
+public final class TickListServerInterval<T> {
+
+ public static final int TOTAL_PRIORITIES = TickPriority.values().length;
+ public static final Comparator<TickNextTickData<?>> ENTRY_COMPARATOR_BY_ID = (entry1, entry2) -> {
+ return Long.compare(entry1.getId(), entry2.getId());
+ };
+ public static final Comparator<TickNextTickData<?>> ENTRY_COMPARATOR = (Comparator)TickNextTickData.comparator();
+
+ // we do not record the interval, this class is meant to be used on a ring buffer
+
+ // inlined enum map for TickListPriority
+ public final LinkedSortedSet<TickNextTickData<T>>[] byPriority = new LinkedSortedSet[TOTAL_PRIORITIES];
+
+ {
+ for (int i = 0, len = this.byPriority.length; i < len; ++i) {
+ this.byPriority[i] = new LinkedSortedSet<>(ENTRY_COMPARATOR_BY_ID);
+ }
+ }
+
+ public void addEntryLast(final TickNextTickData<T> entry) {
+ this.byPriority[entry.getPriority().ordinal()].addLast(entry);
+ }
+
+ public void addEntryFirst(final TickNextTickData<T> entry) {
+ this.byPriority[entry.getPriority().ordinal()].addFirst(entry);
+ }
+
+ public void clear() {
+ for (int i = 0, len = this.byPriority.length; i < len; ++i) {
+ this.byPriority[i].clear(); // O(1) clear
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/util/set/LinkedSortedSet.java b/src/main/java/com/destroystokyo/paper/util/set/LinkedSortedSet.java
new file mode 100644
index 0000000000000000000000000000000000000000..118988c39e58f28e8a2851792b9c014f341f06fc
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/util/set/LinkedSortedSet.java
@@ -0,0 +1,142 @@
+package com.destroystokyo.paper.util.set;
+
+import java.util.Comparator;
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+public final class LinkedSortedSet<E> implements Iterable<E> {
+
+ public final Comparator<? super E> comparator;
+
+ protected Link<E> head;
+ protected Link<E> tail;
+
+ public LinkedSortedSet() {
+ this((Comparator)Comparator.naturalOrder());
+ }
+
+ public LinkedSortedSet(final Comparator<? super E> comparator) {
+ this.comparator = comparator;
+ }
+
+ public void clear() {
+ this.head = this.tail = null;
+ }
+
+ @Override
+ public Iterator<E> iterator() {
+ return new Iterator<E>() {
+
+ Link<E> next = LinkedSortedSet.this.head;
+
+ @Override
+ public boolean hasNext() {
+ return this.next != null;
+ }
+
+ @Override
+ public E next() {
+ final Link<E> next = this.next;
+ if (next == null) {
+ throw new NoSuchElementException();
+ }
+ this.next = next.next;
+ return next.element;
+ }
+ };
+ }
+
+ public boolean addLast(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+
+ Link<E> curr = this.tail;
+ if (curr != null) {
+ int compare;
+
+ while ((compare = comparator.compare(element, curr.element)) < 0) {
+ Link<E> prev = curr;
+ curr = curr.prev;
+ if (curr != null) {
+ continue;
+ }
+ this.head = prev.prev = new Link<>(element, null, prev);
+ return true;
+ }
+
+ if (compare != 0) {
+ // insert after curr
+ final Link<E> next = curr.next;
+ final Link<E> insert = new Link<>(element, curr, next);
+ curr.next = insert;
+
+ if (next == null) {
+ this.tail = insert;
+ } else {
+ next.prev = insert;
+ }
+ return true;
+ }
+
+ return false;
+ } else {
+ this.head = this.tail = new Link<>(element);
+ return true;
+ }
+ }
+
+ public boolean addFirst(final E element) {
+ final Comparator<? super E> comparator = this.comparator;
+
+ Link<E> curr = this.head;
+ if (curr != null) {
+ int compare;
+
+ while ((compare = comparator.compare(element, curr.element)) > 0) {
+ Link<E> prev = curr;
+ curr = curr.next;
+ if (curr != null) {
+ continue;
+ }
+ this.tail = prev.next = new Link<>(element, prev, null);
+ return true;
+ }
+
+ if (compare != 0) {
+ // insert before curr
+ final Link<E> prev = curr.prev;
+ final Link<E> insert = new Link<>(element, prev, curr);
+ curr.prev = insert;
+
+ if (prev == null) {
+ this.head = insert;
+ } else {
+ prev.next = insert;
+ }
+ return true;
+ }
+
+ return false;
+ } else {
+ this.head = this.tail = new Link<>(element);
+ return true;
+ }
+ }
+
+ protected static final class Link<E> {
+ public E element;
+ public Link<E> prev;
+ public Link<E> next;
+
+ public Link() {}
+
+ public Link(final E element) {
+ this.element = element;
+ }
+
+ public Link(final E element, final Link<E> prev, final Link<E> next) {
+ this.element = element;
+ this.prev = prev;
+ this.next = next;
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/core/BlockPos.java b/src/main/java/net/minecraft/core/BlockPos.java
index 3db77d9eda98eacb099135643aff5e94751f4c7c..595abf528a7862478100770987906af1b13439fe 100644
--- a/src/main/java/net/minecraft/core/BlockPos.java
+++ b/src/main/java/net/minecraft/core/BlockPos.java
@@ -111,6 +111,7 @@ public class BlockPos extends Vec3i {
return x == 0 && y == 0 && z == 0 ? this : new BlockPos(this.getX() + x, this.getY() + y, this.getZ() + z);
}
+ public final BlockPos add(Vec3i baseblockposition) { return this.offset(baseblockposition); } // Paper - OBFHELPER
public BlockPos offset(Vec3i pos) {
return this.offset(pos.getX(), pos.getY(), pos.getZ());
}
diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 77d3969200ac6f88f3af9add05def0b627ce6db3..d12d5459c847d3f0d655c85e31d81c27b7a2face 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -495,7 +495,9 @@ public class ChunkHolder {
ChunkHolder.this.isTickingReady = true;
-
+ // Paper start - rewrite ticklistserver
+ ChunkHolder.this.chunkMap.level.onChunkSetTicking(ChunkHolder.this.pos.x, ChunkHolder.this.pos.z);
+ // Paper end - rewrite ticklistserver
}
});
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 3aeb8426b0461ec572c1499116be80f968bb4104..e2b1541042bceac965411e3176d08c61f217c07f 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -21,6 +21,7 @@ import net.minecraft.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.core.SectionPos;
import net.minecraft.network.protocol.Packet;
+import net.minecraft.server.MCUtil;
import net.minecraft.server.level.progress.ChunkProgressListener;
import net.minecraft.util.Mth;
import net.minecraft.util.profiling.ProfilerFiller;
@@ -217,6 +218,13 @@ public class ServerChunkCache extends ChunkSource {
}
// Paper end
+ // Paper start - rewrite ticklistserver
+ public final boolean isTickingReadyMainThread(BlockPos pos) {
+ ChunkHolder chunk = this.chunkMap.getUpdatingChunkIfPresent(MCUtil.getCoordinateKey(pos));
+ return chunk != null && chunk.isTickingReady();
+ }
+ // Paper end - rewrite ticklistserver
+
public ServerChunkCache(ServerLevel worldserver, LevelStorageSource.LevelStorageAccess convertable_conversionsession, DataFixer dataFixer, StructureManager structureManager, Executor workerExecutor, ChunkGenerator chunkGenerator, int viewDistance, boolean flag, ChunkProgressListener worldloadlistener, Supplier<DimensionDataStorage> supplier) {
this.level = worldserver;
this.mainThreadProcessor = new ServerChunkCache.MainThreadExecutor(worldserver);
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 5d85895456b5d65954889cadf932027ea23b400b..9da0d98bc2ed7876a00a734690ed42f01b9a9a9b 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -292,6 +292,15 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
}
// Paper end
+ // Paper start - rewrite ticklistserver
+ void onChunkSetTicking(int chunkX, int chunkZ) {
+ if (com.destroystokyo.paper.PaperConfig.useOptimizedTickList) {
+ ((com.destroystokyo.paper.server.ticklist.PaperTickList) this.blockTicks).onChunkSetTicking(chunkX, chunkZ);
+ ((com.destroystokyo.paper.server.ticklist.PaperTickList) this.liquidTicks).onChunkSetTicking(chunkX, chunkZ);
+ }
+ }
+ // Paper end - rewrite ticklistserver
+
// Add env and gen to constructor, WorldData -> WorldDataServer
public ServerLevel(MinecraftServer minecraftserver, Executor executor, LevelStorageSource.LevelStorageAccess convertable_conversionsession, ServerLevelData iworlddataserver, ResourceKey<net.minecraft.world.level.Level> resourcekey, DimensionType dimensionmanager, ChunkProgressListener worldloadlistener, ChunkGenerator chunkgenerator, boolean flag, long i, List<CustomSpawner> list, boolean flag1, org.bukkit.World.Environment env, org.bukkit.generator.ChunkGenerator gen) {
super(iworlddataserver, resourcekey, dimensionmanager, minecraftserver::getProfiler, false, flag, i, gen, env, executor); // Paper pass executor
@@ -299,12 +308,21 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
convertable = convertable_conversionsession;
uuid = WorldUUID.getUUID(convertable_conversionsession.levelPath.toFile());
// CraftBukkit end
- this.blockTicks = new ServerTickList<>(this, (block) -> {
- return block == null || block.defaultBlockState().isAir();
- }, Registry.BLOCK::getKey, this::tickBlock, "Blocks"); // Paper - Timings
- this.liquidTicks = new ServerTickList<>(this, (fluidtype) -> {
- return fluidtype == null || fluidtype == Fluids.EMPTY;
- }, Registry.FLUID::getKey, this::tickLiquid, "Fluids"); // Paper - Timings
+ if (com.destroystokyo.paper.PaperConfig.useOptimizedTickList) {
+ this.blockTicks = new com.destroystokyo.paper.server.ticklist.PaperTickList<>(this, (block) -> {
+ return block == null || block.defaultBlockState().isAir();
+ }, Registry.BLOCK::getKey, this::tickBlock, "Blocks"); // Paper - Timings
+ this.liquidTicks = new com.destroystokyo.paper.server.ticklist.PaperTickList<>(this, (fluidtype) -> {
+ return fluidtype == null || fluidtype == Fluids.EMPTY;
+ }, Registry.FLUID::getKey, this::tickLiquid, "Fluids"); // Paper - Timings
+ } else {
+ this.blockTicks = new ServerTickList<>(this, (block) -> {
+ return block == null || block.defaultBlockState().isAir();
+ }, Registry.BLOCK::getKey, this::tickBlock, "Blocks"); // Paper - Timings
+ this.liquidTicks = new ServerTickList<>(this, (fluidtype) -> {
+ return fluidtype == null || fluidtype == Fluids.EMPTY;
+ }, Registry.FLUID::getKey, this::tickLiquid, "Fluids"); // Paper - Timings
+ }
this.navigations = Sets.newHashSet();
this.blockEvents = new ObjectLinkedOpenHashSet();
this.tickTime = flag1;
@@ -639,7 +657,9 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
if (this.tickTime) {
long i = this.levelData.getGameTime() + 1L;
- this.worldDataServer.setGameTime(i);
+ this.worldDataServer.setGameTime(i); // Paper - diff on change, we want the below to be ran right after this
+ this.blockTicks.nextTick(); // Paper
+ this.liquidTicks.nextTick(); // Paper
this.worldDataServer.getScheduledEvents().tick(this.server, i);
if (this.levelData.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) {
this.setDayTime(this.levelData.getDayTime() + 1L);
diff --git a/src/main/java/net/minecraft/world/level/ChunkTickList.java b/src/main/java/net/minecraft/world/level/ChunkTickList.java
index 16757eb9c03c0dab51a7a1b569daff81cf9654f3..3008e0c42efe908e45dba1a1437928d4d4378f24 100644
--- a/src/main/java/net/minecraft/world/level/ChunkTickList.java
+++ b/src/main/java/net/minecraft/world/level/ChunkTickList.java
@@ -9,6 +9,7 @@ import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.ListTag;
import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MinecraftServer;
public class ChunkTickList<T> implements TickList<T> {
@@ -61,6 +62,8 @@ public class ChunkTickList<T> implements TickList<T> {
return nbttaglist;
}
+ private static final int MAX_TICK_DELAY = Integer.getInteger("paper.ticklist-max-tick-delay", -1).intValue(); // Paper - clean up broken entries
+
public static <T> ChunkTickList<T> create(ListTag ticks, Function<T, ResourceLocation> function, Function<ResourceLocation, T> function1) {
List<ChunkTickList.ScheduledTick<T>> list = Lists.newArrayList();
@@ -71,7 +74,14 @@ public class ChunkTickList<T> implements TickList<T> {
if (t0 != null) {
BlockPos blockposition = new BlockPos(nbttagcompound.getInt("x"), nbttagcompound.getInt("y"), nbttagcompound.getInt("z"));
- list.add(new ChunkTickList.ScheduledTick<>(t0, blockposition, nbttagcompound.getInt("t"), TickPriority.byValue(nbttagcompound.getInt("p"))));
+ // Paper start - clean up broken entries
+ int delay = nbttagcompound.getInt("t");
+ if (MAX_TICK_DELAY > 0 && delay > MAX_TICK_DELAY) {
+ MinecraftServer.LOGGER.warn("Dropping tick for pos " + blockposition + ", tick delay " + delay);
+ continue;
+ }
+ list.add(new ChunkTickList.ScheduledTick<>(t0, blockposition, delay, TickPriority.byValue(nbttagcompound.getInt("p"))));
+ // Paper end - clean up broken entries
}
}
diff --git a/src/main/java/net/minecraft/world/level/ServerTickList.java b/src/main/java/net/minecraft/world/level/ServerTickList.java
index 10ac1ba0a3d192486f22c2127d5bc30353f0edb6..65b3a16f40a295c2916be2a9fd019b452fb65e4f 100644
--- a/src/main/java/net/minecraft/world/level/ServerTickList.java
+++ b/src/main/java/net/minecraft/world/level/ServerTickList.java
@@ -50,7 +50,16 @@ public class ServerTickList<T> implements TickList<T> {
private final co.aikar.timings.Timing timingTicking; // Paper
// Paper end
+ // Paper start
+ public void nextTick() {}
+ // Paper end
+
+ public void tick() {
+ // Paper start - allow overriding
+ this.tick();
+ }
public void tick() {
+ // Paper end
int i = this.tickNextTickList.size();
if (false) { // CraftBukkit
@@ -118,28 +127,43 @@ public class ServerTickList<T> implements TickList<T> {
@Override
public boolean willTickThisTick(BlockPos pos, T object) {
- return this.currentlyTicking.contains(new TickNextTickData<>(pos, object));
+ // Paper start - allow overriding
+ return this.isPendingTickThisTick(pos, object);
+ }
+ public boolean isPendingTickThisTick(BlockPos blockposition, T t0) {
+ // Paper end
+ return this.currentlyTicking.contains(new TickNextTickData<>(blockposition, t0));
}
public List<TickNextTickData<T>> fetchTicksInChunk(ChunkPos chunkcoordintpair, boolean updateState, boolean getStaleTicks) {
+ // Paper start - allow overriding
+ return this.getEntriesInChunk(chunkcoordintpair, updateState, getStaleTicks);
+ }
+ public List<TickNextTickData<T>> getEntriesInChunk(ChunkPos chunkcoordintpair, boolean flag, boolean flag1) {
+ // Paper end
int i = (chunkcoordintpair.x << 4) - 2;
int j = i + 16 + 2;
int k = (chunkcoordintpair.z << 4) - 2;
int l = k + 16 + 2;
- return this.fetchTicksInArea(new BoundingBox(i, 0, k, j, 256, l), updateState, getStaleTicks);
+ return this.fetchTicksInArea(new BoundingBox(i, 0, k, j, 256, l), flag, flag1);
}
public List<TickNextTickData<T>> fetchTicksInArea(BoundingBox bounds, boolean updateState, boolean getStaleTicks) {
- List<TickNextTickData<T>> list = this.fetchTicksInArea((List) null, this.tickNextTickList, bounds, updateState);
+ // Paper start - allow overriding
+ return this.getEntriesInBoundingBox(bounds, updateState, getStaleTicks);
+ }
+ public List<TickNextTickData<T>> getEntriesInBoundingBox(BoundingBox structureboundingbox, boolean flag, boolean flag1) {
+ // Paper end
+ List<TickNextTickData<T>> list = this.fetchTicksInArea((List) null, this.tickNextTickList, structureboundingbox, flag);
- if (updateState && list != null) {
+ if (flag && list != null) {
this.tickNextTickSet.removeAll(list);
}
- list = this.fetchTicksInArea(list, this.currentlyTicking, bounds, updateState);
- if (!getStaleTicks) {
- list = this.fetchTicksInArea(list, this.alreadyTicked, bounds, updateState);
+ list = this.fetchTicksInArea(list, this.currentlyTicking, structureboundingbox, flag);
+ if (!flag1) {
+ list = this.fetchTicksInArea(list, this.alreadyTicked, structureboundingbox, flag);
}
return list == null ? Collections.emptyList() : list;
@@ -170,14 +194,19 @@ public class ServerTickList<T> implements TickList<T> {
}
public void copy(BoundingBox box, BlockPos offset) {
- List<TickNextTickData<T>> list = this.fetchTicksInArea(box, false, false);
+ // Paper start - allow overriding
+ this.copy(box, offset);
+ }
+ public void copy(BoundingBox structureboundingbox, BlockPos blockposition) {
+ // Paper end
+ List<TickNextTickData<T>> list = this.fetchTicksInArea(structureboundingbox, false, false);
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
TickNextTickData<T> nextticklistentry = (TickNextTickData) iterator.next();
- if (box.isInside((Vec3i) nextticklistentry.pos)) {
- BlockPos blockposition1 = nextticklistentry.pos.offset((Vec3i) offset);
+ if (structureboundingbox.isInside((Vec3i) nextticklistentry.pos)) {
+ BlockPos blockposition1 = nextticklistentry.pos.offset((Vec3i) blockposition);
T t0 = nextticklistentry.getType();
this.addTickData(new TickNextTickData<>(blockposition1, t0, nextticklistentry.triggerTick, nextticklistentry.priority));
@@ -187,11 +216,17 @@ public class ServerTickList<T> implements TickList<T> {
}
public ListTag save(ChunkPos chunkcoordintpair) {
+ // Paper start - allow overriding
+ return this.serialize(chunkcoordintpair);
+ }
+ public ListTag serialize(ChunkPos chunkcoordintpair) {
+ // Paper end
List<TickNextTickData<T>> list = this.fetchTicksInChunk(chunkcoordintpair, false, true);
return saveTickList(this.toId, list, this.level.getGameTime());
}
+ public static <T> ListTag serialize(Function<T, ResourceLocation> function, Iterable<TickNextTickData<T>> iterable, long i) { return ServerTickList.saveTickList(function, iterable, i); } // Paper - OBFHELPER
private static <T> ListTag saveTickList(Function<T, ResourceLocation> identifierProvider, Iterable<TickNextTickData<T>> scheduledTicks, long time) {
ListTag nbttaglist = new ListTag();
Iterator iterator = scheduledTicks.iterator();
@@ -214,13 +249,23 @@ public class ServerTickList<T> implements TickList<T> {
@Override
public boolean hasScheduledTick(BlockPos pos, T object) {
- return this.tickNextTickSet.contains(new TickNextTickData<>(pos, object));
+ // Paper start - allow overriding
+ return this.isScheduledForTick(pos, object);
+ }
+ public boolean isScheduledForTick(BlockPos blockposition, T t0) {
+ // Paper end
+ return this.tickNextTickSet.contains(new TickNextTickData<>(blockposition, t0));
}
@Override
public void scheduleTick(BlockPos pos, T object, int delay, TickPriority priority) {
- if (!this.ignore.test(object)) {
- this.addTickData(new TickNextTickData<>(pos, object, (long) delay + this.level.getGameTime(), priority));
+ // Paper start - allow overriding
+ this.schedule(pos, object, delay, priority);
+ }
+ public void schedule(BlockPos blockposition, T t0, int i, TickPriority ticklistpriority) {
+ // Paper end
+ if (!this.ignore.test(t0)) {
+ this.addTickData(new TickNextTickData<>(blockposition, t0, (long) i + this.level.getGameTime(), ticklistpriority));
}
}
@@ -234,6 +279,11 @@ public class ServerTickList<T> implements TickList<T> {
}
public int size() {
+ // Paper start - allow overriding
+ return this.getTotalScheduledEntries();
+ }
+ public int getTotalScheduledEntries() {
+ // Paper end
return this.tickNextTickSet.size();
}
}
diff --git a/src/main/java/net/minecraft/world/level/TickNextTickData.java b/src/main/java/net/minecraft/world/level/TickNextTickData.java
index 90833389022d7412bdda8868a356b84f62a00e03..61cdaf45368dcc40f3311e8b7f8637a6c93a2d76 100644
--- a/src/main/java/net/minecraft/world/level/TickNextTickData.java
+++ b/src/main/java/net/minecraft/world/level/TickNextTickData.java
@@ -6,11 +6,13 @@ import net.minecraft.core.BlockPos;
public class TickNextTickData<T> {
private static final java.util.concurrent.atomic.AtomicLong COUNTER = new java.util.concurrent.atomic.AtomicLong(); // Paper - async chunk loading
- private final T type;
- public final BlockPos pos;
- public final long triggerTick;
- public final TickPriority priority;
- private final long c;
+ private final T type; public final T getData() { return this.type; } // Paper - OBFHELPER
+ public final BlockPos pos; public final BlockPos getPosition() { return this.pos; } // Paper - OBFHELPER
+ public final long triggerTick; public final long getTargetTick() { return this.triggerTick; } // Paper - OBFHELPER
+ public final TickPriority priority; public final TickPriority getPriority() { return this.priority; } // Paper - OBFHELPER
+ private final long c; public final long getId() { return this.c; } // Paper - OBFHELPER
+ private final int hash; // Paper
+ public int tickState; // Paper
public TickNextTickData(BlockPos pos, T t) {
this(pos, t, 0L, TickPriority.NORMAL);
@@ -22,6 +24,7 @@ public class TickNextTickData<T> {
this.type = t;
this.triggerTick = time;
this.priority = priority;
+ this.hash = this.computeHash(); // Paper
}
public boolean equals(Object object) {
@@ -34,19 +37,31 @@ public class TickNextTickData<T> {
}
}
+ // Paper start - optimize hashcode
+ @Override
public int hashCode() {
+ return this.hash;
+ }
+ public final int computeHash() {
+ // Paper end - optimize hashcode
return this.pos.hashCode();
}
- public static <T> Comparator<Object> createTimeComparator() { // Paper - decompile fix
- return Comparator.comparingLong((nextticklistentry) -> {
- return ((TickNextTickData<T>) nextticklistentry).triggerTick; // Paper - decompile fix
- }).thenComparing((nextticklistentry) -> {
- return ((TickNextTickData<T>) nextticklistentry).priority; // Paper - decompile fix
- }).thenComparingLong((nextticklistentry) -> {
- return ((TickNextTickData<T>) nextticklistentry).c; // Paper - decompile fix
- });
+ // Paper start - let's not use more functional code for no reason.
+ public static <T> Comparator<Object> comparator() { return TickNextTickData.createTimeComparator(); } // Paper - OBFHELPER
+ public static <T> Comparator<Object> createTimeComparator() {
+ return (Comparator)(Comparator<TickNextTickData>)(TickNextTickData nextticklistentry, TickNextTickData nextticklistentry1) -> {
+ int i = Long.compare(nextticklistentry.getTargetTick(), nextticklistentry1.getTargetTick());
+
+ if (i != 0) {
+ return i;
+ } else {
+ i = nextticklistentry.getPriority().compareTo(nextticklistentry1.getPriority());
+ return i != 0 ? i : Long.compare(nextticklistentry.getId(), nextticklistentry1.getId());
+ }
+ };
}
+ // Paper end - let's not use more functional code for no reason.
public String toString() {
return this.type + ": " + this.pos + ", " + this.triggerTick + ", " + this.priority + ", " + this.c;
diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/BoundingBox.java b/src/main/java/net/minecraft/world/level/levelgen/structure/BoundingBox.java
index 76bea58d35d352ee6f3d4bd0d10af3b6d615ae2c..4288fa253668196e6c32a876f18ec496fb3abad6 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/structure/BoundingBox.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/BoundingBox.java
@@ -8,12 +8,12 @@ import net.minecraft.nbt.IntArrayTag;
public class BoundingBox {
- public int x0;
- public int y0;
- public int z0;
- public int x1;
- public int y1;
- public int z1;
+ public int x0; public final int getMinX() { return this.x0; } // Paper - OBFHELPER
+ public int y0; public final int getMinY() { return this.y0; } // Paper - OBFHELPER
+ public int z0; public final int getMinZ() { return this.z0; } // Paper - OBFHELPER
+ public int x1; public final int getMaxX() { return this.x1; } // Paper - OBFHELPER
+ public int y1; public final int getMaxY() { return this.y1; } // Paper - OBFHELPER
+ public int z1; public final int getMaxZ() { return this.z1; } // Paper - OBFHELPER
public BoundingBox() {}
@@ -92,6 +92,7 @@ public class BoundingBox {
this.y1 = 512;
}
+ public final boolean intersects(BoundingBox boundingBox) { return this.intersects(boundingBox); } // Paper - OBFHELPER
public boolean intersects(BoundingBox other) {
return this.x1 >= other.x0 && this.x0 <= other.x1 && this.z1 >= other.z0 && this.z0 <= other.z1 && this.y1 >= other.y0 && this.y0 <= other.y1;
}
@@ -126,6 +127,7 @@ public class BoundingBox {
this.move(baseblockposition.getX(), baseblockposition.getY(), baseblockposition.getZ());
}
+ public final boolean hasPoint(Vec3i baseblockposition) { return this.isInside(baseblockposition); } // Paper - OBFHELPER
public boolean isInside(Vec3i vec) {
return vec.getX() >= this.x0 && vec.getX() <= this.x1 && vec.getZ() >= this.z0 && vec.getZ() <= this.z1 && vec.getY() >= this.y0 && vec.getY() <= this.y1;
}
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