Fix AdvancementDataPlayer leak due from quitting early in login

Move the criterion storage to the AdvancementDataPlayer object
itself, so the criterion object stores no references - and thus
needs no cleanup.
This commit is contained in:
Spottedleaf 2020-07-13 06:22:54 -07:00
parent 760f623ace
commit 7b340b4aa2
2 changed files with 52 additions and 3 deletions

View file

@ -0,0 +1,41 @@
--- a/net/minecraft/advancements/critereon/SimpleCriterionTrigger.java
+++ b/net/minecraft/advancements/critereon/SimpleCriterionTrigger.java
@@ -15,32 +15,32 @@
import net.minecraft.world.level.storage.loot.LootContext;
public abstract class SimpleCriterionTrigger<T extends SimpleCriterionTrigger.SimpleInstance> implements CriterionTrigger<T> {
- private final Map<PlayerAdvancements, Set<CriterionTrigger.Listener<T>>> players = Maps.newIdentityHashMap();
+ // private final Map<PlayerAdvancements, Set<CriterionTrigger.Listener<T>>> players = Maps.newIdentityHashMap(); // Paper - fix AdvancementDataPlayer leak; moved into AdvancementDataPlayer to fix memory leak
@Override
public final void addPlayerListener(PlayerAdvancements manager, CriterionTrigger.Listener<T> conditions) {
- this.players.computeIfAbsent(manager, managerx -> Sets.newHashSet()).add(conditions);
+ manager.criterionData.computeIfAbsent(this, managerx -> Sets.newHashSet()).add(conditions); // Paper - fix AdvancementDataPlayer leak
}
@Override
public final void removePlayerListener(PlayerAdvancements manager, CriterionTrigger.Listener<T> conditions) {
- Set<CriterionTrigger.Listener<T>> set = this.players.get(manager);
+ Set<CriterionTrigger.Listener<T>> set = (Set) manager.criterionData.get(this); // Paper - fix AdvancementDataPlayer leak
if (set != null) {
set.remove(conditions);
if (set.isEmpty()) {
- this.players.remove(manager);
+ manager.criterionData.remove(this); // Paper - fix AdvancementDataPlayer leak
}
}
}
@Override
public final void removePlayerListeners(PlayerAdvancements tracker) {
- this.players.remove(tracker);
+ tracker.criterionData.remove(this); // Paper - fix AdvancementDataPlayer leak
}
protected void trigger(ServerPlayer player, Predicate<T> predicate) {
PlayerAdvancements playerAdvancements = player.getAdvancements();
- Set<CriterionTrigger.Listener<T>> set = this.players.get(playerAdvancements);
+ Set<CriterionTrigger.Listener<T>> set = (Set) playerAdvancements.criterionData.get(this); // Paper - fix AdvancementDataPlayer leak
if (set != null && !set.isEmpty()) {
LootContext lootContext = EntityPredicate.createContext(player, player);
List<CriterionTrigger.Listener<T>> list = null;

View file

@ -1,6 +1,14 @@
--- a/net/minecraft/server/PlayerAdvancements.java
+++ b/net/minecraft/server/PlayerAdvancements.java
@@ -162,6 +162,7 @@
@@ -63,6 +63,7 @@
private AdvancementHolder lastSelectedTab;
private boolean isFirstPacket = true;
private final Codec<PlayerAdvancements.Data> codec;
+ public final Map<net.minecraft.advancements.critereon.SimpleCriterionTrigger<?>, Set<CriterionTrigger.Listener<?>>> criterionData = new java.util.IdentityHashMap<>(); // Paper - fix advancement data player leakage
public PlayerAdvancements(DataFixer dataFixer, PlayerList playerManager, ServerAdvancementManager advancementLoader, Path filePath, ServerPlayer owner) {
this.playerList = playerManager;
@@ -162,6 +163,7 @@
}
public void save() {
@ -8,7 +16,7 @@
JsonElement jsonelement = (JsonElement) this.codec.encodeStart(JsonOps.INSTANCE, this.asData()).getOrThrow();
try {
@@ -196,6 +197,7 @@
@@ -196,6 +198,7 @@
AdvancementHolder advancementholder = loader.get(minecraftkey);
if (advancementholder == null) {
@ -16,7 +24,7 @@
PlayerAdvancements.LOGGER.warn("Ignored advancement '{}' in progress file {} - it doesn't exist anymore?", minecraftkey, this.playerSavePath);
} else {
this.startProgress(advancementholder, advancementprogress);
@@ -223,10 +225,17 @@
@@ -223,10 +226,17 @@
boolean flag1 = advancementprogress.isDone();
if (advancementprogress.grantProgress(criterionName)) {