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Consistent NPCLinkToPlayerEvent handling for 1.8.8

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This commit is contained in:
fullwall 2023-11-03 00:06:41 +08:00
parent 8e4b9ce60d
commit 1c4a743121
2 changed files with 71 additions and 13 deletions
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9
v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/entity/EntityHumanNPC.java
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@ -42,7 +42,6 @@ import net.minecraft.server.v1_8_R3.AxisAlignedBB;
import net.minecraft.server.v1_8_R3.Block;
import net.minecraft.server.v1_8_R3.BlockPosition;
import net.minecraft.server.v1_8_R3.DamageSource;
import net.minecraft.server.v1_8_R3.DataWatcher;
import net.minecraft.server.v1_8_R3.Entity;
import net.minecraft.server.v1_8_R3.EntityPlayer;
import net.minecraft.server.v1_8_R3.EnumProtocolDirection;
@ -193,14 +192,6 @@ public class EntityHumanNPC extends EntityPlayer implements NPCHolder, Skinnable
return controllerMove;
}
@Override
public DataWatcher getDataWatcher() {
if (trackerEntry != null) {
trackerEntry.updateLastPlayer();
}
return super.getDataWatcher();
}
public NavigationAbstract getNavigation() {
return navigation;
}

75
v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/util/PlayerlistTrackerEntry.java
View File

@ -1,9 +1,15 @@
package net.citizensnpcs.nms.v1_8_R3.util;
import java.lang.invoke.MethodHandle;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.Set;
import org.bukkit.Bukkit;
import com.google.common.collect.ForwardingMap;
import com.google.common.collect.ForwardingSet;
import net.citizensnpcs.api.event.NPCLinkToPlayerEvent;
import net.citizensnpcs.api.event.NPCSeenByPlayerEvent;
import net.citizensnpcs.api.npc.NPC;
@ -15,17 +21,65 @@ import net.minecraft.server.v1_8_R3.EntityPlayer;
import net.minecraft.server.v1_8_R3.EntityTrackerEntry;
public class PlayerlistTrackerEntry extends EntityTrackerEntry {
private EntityPlayer lastUpdatedPlayer;
private Map<EntityPlayer, Boolean> trackingMap;
public PlayerlistTrackerEntry(Entity entity, int i, int j, boolean flag) {
super(entity, i, j, flag);
if (TRACKING_MAP_SETTER != null) {
try {
Map<EntityPlayer, Boolean> delegate = (Map<EntityPlayer, Boolean>) TRACKING_MAP_GETTER.invoke(this);
trackingMap = delegate;
TRACKING_MAP_SETTER.invoke(this, new ForwardingMap<EntityPlayer, Boolean>() {
@Override
protected Map<EntityPlayer, Boolean> delegate() {
return delegate;
}
@Override
public Boolean put(EntityPlayer player, Boolean value) {
Boolean res = super.put(player, value);
if (res == null) {
updateLastPlayer(player);
}
return res;
}
});
} catch (Throwable e) {
e.printStackTrace();
}
} else {
try {
Set<EntityPlayer> delegate = super.trackedPlayers;
TRACKING_SET_SETTER.invoke(this, new ForwardingSet<EntityPlayer>() {
@Override
public boolean add(EntityPlayer player) {
boolean res = super.add(player);
if (res) {
updateLastPlayer(player);
}
return res;
}
@Override
protected Set<EntityPlayer> delegate() {
return delegate;
}
});
} catch (Throwable e) {
e.printStackTrace();
}
}
}
public PlayerlistTrackerEntry(EntityTrackerEntry entry) {
this(entry.tracker, getB(entry), getC(entry), getU(entry));
}
public void updateLastPlayer() {
private boolean isTracked(EntityPlayer player) {
return trackingMap != null ? trackingMap.containsKey(player) : trackedPlayers.contains(player);
}
public void updateLastPlayer(EntityPlayer lastUpdatedPlayer) {
if (lastUpdatedPlayer != null) {
Bukkit.getPluginManager().callEvent(
new NPCLinkToPlayerEvent(((NPCHolder) tracker).getNPC(), lastUpdatedPlayer.getBukkitEntity()));
@ -37,7 +91,7 @@ public class PlayerlistTrackerEntry extends EntityTrackerEntry {
public void updatePlayer(final EntityPlayer entityplayer) {
if (entityplayer instanceof EntityHumanNPC)
return;
if (!trackedPlayers.contains(entityplayer) && tracker instanceof NPCHolder) {
if (!isTracked(entityplayer) && tracker instanceof NPCHolder) {
NPC npc = ((NPCHolder) tracker).getNPC();
NPCSeenByPlayerEvent event = new NPCSeenByPlayerEvent(npc, entityplayer.getBukkitEntity());
Bukkit.getPluginManager().callEvent(event);
@ -45,7 +99,6 @@ public class PlayerlistTrackerEntry extends EntityTrackerEntry {
return;
}
lastUpdatedPlayer = entityplayer;
super.updatePlayer(entityplayer);
}
@ -88,5 +141,19 @@ public class PlayerlistTrackerEntry extends EntityTrackerEntry {
private static Field B = NMS.getField(EntityTrackerEntry.class, "b");
private static Field C = NMS.getField(EntityTrackerEntry.class, "c");
private static MethodHandle TRACKING_MAP_GETTER;
private static MethodHandle TRACKING_MAP_SETTER;
private static final MethodHandle TRACKING_SET_SETTER = NMS.getFirstFinalSetter(EntityTrackerEntry.class,
Set.class);
private static Field U = NMS.getField(EntityTrackerEntry.class, "u");
static {
try {
// Old paper versions override the tracked player set to be a map
if (EntityTrackerEntry.class.getField("trackedPlayerMap") != null) {
TRACKING_MAP_SETTER = NMS.getFirstSetter(EntityTrackerEntry.class, Map.class);
TRACKING_MAP_GETTER = NMS.getFirstGetter(EntityTrackerEntry.class, Map.class);
}
} catch (Exception e) {
}
}
}