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Performance Improvement: high-requency listener (#4402)
* Adding new 'high-frequency-listener' setting * Moving high-frequency event listener in new class * Small typo
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201 changes: 201 additions & 0 deletions
201
Bukkit/src/main/java/com/plotsquared/bukkit/listener/HighFreqBlockEventListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| /* | ||
| * PlotSquared, a land and world management plugin for Minecraft. | ||
| * Copyright (C) IntellectualSites <https://intellectualsites.com> | ||
| * Copyright (C) IntellectualSites team and contributors | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
| package com.plotsquared.bukkit.listener; | ||
|
|
||
| import com.google.inject.Inject; | ||
| import com.plotsquared.bukkit.player.BukkitPlayer; | ||
| import com.plotsquared.bukkit.util.BukkitUtil; | ||
| import com.plotsquared.core.PlotSquared; | ||
| import com.plotsquared.core.configuration.Settings; | ||
| import com.plotsquared.core.database.DBFunc; | ||
| import com.plotsquared.core.location.Location; | ||
| import com.plotsquared.core.player.PlotPlayer; | ||
| import com.plotsquared.core.plot.Plot; | ||
| import com.plotsquared.core.plot.PlotArea; | ||
| import com.plotsquared.core.plot.flag.implementations.DisablePhysicsFlag; | ||
| import com.plotsquared.core.plot.flag.implementations.RedstoneFlag; | ||
| import com.plotsquared.core.plot.world.PlotAreaManager; | ||
| import com.plotsquared.core.util.PlotFlagUtil; | ||
| import com.plotsquared.core.util.task.TaskManager; | ||
| import com.plotsquared.core.util.task.TaskTime; | ||
| import com.sk89q.worldedit.WorldEdit; | ||
| import org.bukkit.Bukkit; | ||
| import org.bukkit.Material; | ||
| import org.bukkit.block.Block; | ||
| import org.bukkit.block.BlockFace; | ||
| import org.bukkit.block.data.BlockData; | ||
| import org.bukkit.event.EventHandler; | ||
| import org.bukkit.event.EventPriority; | ||
| import org.bukkit.event.Listener; | ||
| import org.bukkit.event.block.BlockPhysicsEvent; | ||
| import org.bukkit.event.block.BlockRedstoneEvent; | ||
| import org.checkerframework.checker.nullness.qual.NonNull; | ||
|
|
||
| import java.util.Set; | ||
| import java.util.UUID; | ||
|
|
||
| @SuppressWarnings("unused") | ||
| public class HighFreqBlockEventListener implements Listener { | ||
|
|
||
| private static final Set<Material> PISTONS = Set.of( | ||
| Material.PISTON, | ||
| Material.STICKY_PISTON | ||
| ); | ||
| private static final Set<Material> PHYSICS_BLOCKS = Set.of( | ||
| Material.TURTLE_EGG, | ||
| Material.TURTLE_SPAWN_EGG | ||
| ); | ||
|
|
||
| private final PlotAreaManager plotAreaManager; | ||
| private final WorldEdit worldEdit; | ||
|
|
||
| @Inject | ||
| public HighFreqBlockEventListener(final @NonNull PlotAreaManager plotAreaManager, final @NonNull WorldEdit worldEdit) { | ||
| this.plotAreaManager = plotAreaManager; | ||
| this.worldEdit = worldEdit; | ||
| } | ||
|
|
||
| public static void sendBlockChange(final org.bukkit.Location bloc, final BlockData data) { | ||
| TaskManager.runTaskLater(() -> { | ||
| String world = bloc.getWorld().getName(); | ||
| int x = bloc.getBlockX(); | ||
| int z = bloc.getBlockZ(); | ||
| int distance = Bukkit.getViewDistance() * 16; | ||
|
|
||
| for (final PlotPlayer<?> player : PlotSquared.platform().playerManager().getPlayers()) { | ||
| Location location = player.getLocation(); | ||
| if (location.getWorldName().equals(world)) { | ||
| if (16 * Math.abs(location.getX() - x) / 16 > distance || 16 * Math.abs(location.getZ() - z) / 16 > distance) { | ||
| continue; | ||
| } | ||
| ((BukkitPlayer) player).player.sendBlockChange(bloc, data); | ||
| } | ||
| } | ||
| }, TaskTime.ticks(3L)); | ||
| } | ||
|
|
||
| @EventHandler | ||
| public void onRedstoneEvent(BlockRedstoneEvent event) { | ||
| Block block = event.getBlock(); | ||
| Location location = BukkitUtil.adapt(block.getLocation()); | ||
| PlotArea area = location.getPlotArea(); | ||
| if (area == null) { | ||
| return; | ||
| } | ||
| Plot plot = location.getOwnedPlot(); | ||
| if (plot == null) { | ||
| if (PlotFlagUtil.isAreaRoadFlagsAndFlagEquals(area, RedstoneFlag.class, false)) { | ||
| event.setNewCurrent(0); | ||
| } | ||
| return; | ||
| } | ||
| if (!plot.getFlag(RedstoneFlag.class)) { | ||
| event.setNewCurrent(0); | ||
| plot.debug("Redstone event was cancelled because redstone = false"); | ||
| return; | ||
| } | ||
| if (Settings.Redstone.DISABLE_OFFLINE) { | ||
| boolean disable = false; | ||
| if (!DBFunc.SERVER.equals(plot.getOwner())) { | ||
| if (plot.isMerged()) { | ||
| disable = true; | ||
| for (UUID owner : plot.getOwners()) { | ||
| if (PlotSquared.platform().playerManager().getPlayerIfExists(owner) != null) { | ||
| disable = false; | ||
| break; | ||
| } | ||
| } | ||
| } else { | ||
| disable = PlotSquared.platform().playerManager().getPlayerIfExists(plot.getOwnerAbs()) == null; | ||
| } | ||
| } | ||
| if (disable) { | ||
| for (UUID trusted : plot.getTrusted()) { | ||
| if (PlotSquared.platform().playerManager().getPlayerIfExists(trusted) != null) { | ||
| disable = false; | ||
| break; | ||
| } | ||
| } | ||
| if (disable) { | ||
| event.setNewCurrent(0); | ||
| plot.debug("Redstone event was cancelled because no trusted player was in the plot"); | ||
| return; | ||
| } | ||
| } | ||
| } | ||
| if (Settings.Redstone.DISABLE_UNOCCUPIED) { | ||
| for (final PlotPlayer<?> player : PlotSquared.platform().playerManager().getPlayers()) { | ||
| if (plot.equals(player.getCurrentPlot())) { | ||
| return; | ||
| } | ||
| } | ||
| event.setNewCurrent(0); | ||
| } | ||
| } | ||
|
|
||
| @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST) | ||
| public void onPhysicsEvent(BlockPhysicsEvent event) { | ||
| Block block = event.getBlock(); | ||
| Location location = BukkitUtil.adapt(block.getLocation()); | ||
| PlotArea area = location.getPlotArea(); | ||
| if (area == null) { | ||
| return; | ||
| } | ||
| Plot plot = area.getOwnedPlotAbs(location); | ||
| if (plot == null) { | ||
| return; | ||
| } | ||
| if (event.getChangedType().hasGravity() && plot.getFlag(DisablePhysicsFlag.class)) { | ||
| event.setCancelled(true); | ||
| sendBlockChange(event.getBlock().getLocation(), event.getBlock().getBlockData()); | ||
| plot.debug("Prevented block physics and resent block change because disable-physics = true"); | ||
| return; | ||
| } | ||
| if (event.getChangedType() == Material.COMPARATOR) { | ||
| if (!plot.getFlag(RedstoneFlag.class)) { | ||
| event.setCancelled(true); | ||
| plot.debug("Prevented comparator update because redstone = false"); | ||
| } | ||
| return; | ||
| } | ||
| if (PHYSICS_BLOCKS.contains(event.getChangedType())) { | ||
| if (plot.getFlag(DisablePhysicsFlag.class)) { | ||
| event.setCancelled(true); | ||
| plot.debug("Prevented block physics because disable-physics = true"); | ||
| } | ||
| return; | ||
| } | ||
| if (Settings.Redstone.DETECT_INVALID_EDGE_PISTONS) { | ||
| if (PISTONS.contains(block.getType())) { | ||
| org.bukkit.block.data.Directional piston = (org.bukkit.block.data.Directional) block.getBlockData(); | ||
| final BlockFace facing = piston.getFacing(); | ||
| location = location.add(facing.getModX(), facing.getModY(), facing.getModZ()); | ||
| Plot newPlot = area.getOwnedPlotAbs(location); | ||
| if (plot.equals(newPlot)) { | ||
| return; | ||
| } | ||
| if (!plot.isMerged() || !plot.getConnectedPlots().contains(newPlot)) { | ||
| event.setCancelled(true); | ||
| plot.debug("Prevented piston update because of invalid edge piston detection"); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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