Re-add dropped thread check for retrieving fall position from entities

Additionally, reset the fall position on dimension change.

Fixes https://github.com/PaperMC/Folia/issues/99#issuecomment-1610453068
This commit is contained in:
Spottedleaf 2023-06-27 19:14:35 -07:00
parent 633abb1d50
commit 801cff1570
3 changed files with 59 additions and 25 deletions

View File

@ -15692,7 +15692,7 @@ index 18aac3da3c88f33b1a71a5920a8daa27e9723913..f95f1d1bc08b3c8f331a4f760e321823
for (ServerPlayer player : ServerLevel.this.players) {
player.getBukkitEntity().onEntityRemove(entity);
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 9d46536f80b5b3e6641fd377c02166a431edfd77..84dce5ec9d43d6f148cd8a7d19e503ce4c9900fd 100644
index 9d46536f80b5b3e6641fd377c02166a431edfd77..aa42c1a05f12a614c0a7553d52efa1137b9363f9 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -190,7 +190,7 @@ import org.bukkit.inventory.MainHand;
@ -16029,7 +16029,7 @@ index 9d46536f80b5b3e6641fd377c02166a431edfd77..84dce5ec9d43d6f148cd8a7d19e503ce
+ }
+ this.connection.internalTeleport(pos.x, pos.y, pos.z, this.getYRot(), this.getXRot(), java.util.Collections.emptySet());
+ this.connection.resetPosition();
+ this.mainSupportingBlockPos = Optional.empty();
+ this.resetStoredPositions();
+ }
+
+ @Override
@ -17670,8 +17670,21 @@ index 25a5a3b949a0eb632611355e74ccd4865be108ca..1df8d601e41c2ab35921b6a1534fdec6
LivingEntity entityliving2 = (LivingEntity) entity;
itemstack = entityliving2.getMainHandItem();
diff --git a/src/main/java/net/minecraft/world/damagesource/FallLocation.java b/src/main/java/net/minecraft/world/damagesource/FallLocation.java
index ea27b46eec01bda427653335f922ccd068cffcb5..e551d3b875eab6851b75041f418c9a085a8903b6 100644
--- a/src/main/java/net/minecraft/world/damagesource/FallLocation.java
+++ b/src/main/java/net/minecraft/world/damagesource/FallLocation.java
@@ -39,7 +39,7 @@ public record FallLocation(String id) {
@Nullable
public static FallLocation getCurrentFallLocation(LivingEntity entity) {
Optional<BlockPos> optional = entity.getLastClimbablePos();
- if (optional.isPresent()) {
+ if (optional.isPresent() && io.papermc.paper.util.TickThread.isTickThreadFor((net.minecraft.server.level.ServerLevel)entity.level(), optional.get())) { // Folia - region threading
BlockState blockState = entity.level().getBlockState(optional.get());
return blockToFallLocation(blockState);
} else {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716ab89998c 100644
index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..5a71b5a37a55baea204821aba734d53dc49cb336 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -166,7 +166,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@ -17854,7 +17867,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
return;
}
// CraftBukkit end
@@ -3506,6 +3532,764 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -3506,6 +3532,771 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
this.portalEntrancePos = original.portalEntrancePos;
}
@ -18112,6 +18125,13 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
+ return !this.hasNullCallback() && !this.isRemoved() && this.isAlive() && (!(this instanceof net.minecraft.world.entity.LivingEntity livingEntity) || !livingEntity.isSleeping());
+ }
+
+ // Mojang for whatever reason has started storing positions to cache certain physics properties that entities collide with
+ // As usual though, they don't properly do anything to prevent serious desync with respect to the current entity position
+ // We add additional logic to reset these before teleporting to prevent issues with them possibly tripping thread checks.
+ protected void resetStoredPositions() {
+ this.mainSupportingBlockPos = Optional.empty();
+ }
+
+ protected void teleportSyncSameRegion(Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+ if (yaw != null) {
+ this.setYRot(yaw.floatValue());
@ -18124,7 +18144,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
+ this.setDeltaMovement(speedDirectionUpdate.normalize().scale(this.getDeltaMovement().length()));
+ }
+ this.moveTo(pos.x, pos.y, pos.z);
+ this.mainSupportingBlockPos = Optional.empty();
+ this.resetStoredPositions();
+ }
+
+ protected void transform(Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
@ -18251,7 +18271,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
+ }
+
+ public void postChangeDimension() {
+ this.mainSupportingBlockPos = Optional.empty();
+ this.resetStoredPositions();
+ }
+
+ protected static enum PortalType {
@ -18619,7 +18639,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
@Nullable
public Entity changeDimension(ServerLevel destination) {
// CraftBukkit start
@@ -3514,6 +4298,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -3514,6 +4305,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@Nullable
public Entity teleportTo(ServerLevel worldserver, PositionImpl location) {
@ -18631,7 +18651,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
// CraftBukkit end
// Paper start - fix bad state entities causing dupes
if (!this.isAlive() || !this.valid) {
@@ -3597,6 +4386,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -3597,6 +4393,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
}
}
@ -18644,7 +18664,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
protected void removeAfterChangingDimensions() {
this.setRemoved(Entity.RemovalReason.CHANGED_DIMENSION);
}
@@ -4041,17 +4836,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -4041,17 +4843,13 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
// Paper start
public void startSeenByPlayer(ServerPlayer player) {
@ -18664,7 +18684,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
}
// Paper end
@@ -4546,7 +5337,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -4546,7 +5344,8 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
}
}
// Paper end - fix MC-4
@ -18674,7 +18694,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
synchronized (this.posLock) { // Paper
this.position = new Vec3(x, y, z);
} // Paper
@@ -4567,7 +5359,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -4567,7 +5366,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
// Paper start - never allow AABB to become desynced from position
// hanging has its own special logic
@ -18683,7 +18703,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
this.setBoundingBox(this.makeBoundingBox());
}
// Paper end
@@ -4654,6 +5446,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -4654,6 +5453,12 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
return this.removalReason != null;
}
@ -18696,7 +18716,7 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
@Nullable
public Entity.RemovalReason getRemovalReason() {
return this.removalReason;
@@ -4678,7 +5476,23 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -4678,7 +5483,23 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
if (reason != RemovalReason.UNLOADED_TO_CHUNK) this.getPassengers().forEach(Entity::stopRiding); // Paper - chunk system - don't adjust passenger state when unloading, it's just not safe (and messes with our logic in entity chunk unload)
this.levelCallback.onRemove(reason);
@ -18721,10 +18741,24 @@ index b38c4cbcf0405d82c7b6e018e80a3174e460c1a4..37b90c70196717c3a68b6d3b652e5716
public void unsetRemoved() {
this.removalReason = null;
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f77172762d 100644
index a189461330a4d427a7450d504ef13de3605497e3..c52203f828f13f407c3878e73687a10a3f2bee55 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -482,7 +482,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -277,6 +277,13 @@ public abstract class LivingEntity extends Entity implements Attackable {
++this.noActionTime; // Above all the floats
}
// Spigot end
+ // Folia start - region threading
+ @Override
+ protected void resetStoredPositions() {
+ super.resetStoredPositions();
+ this.lastClimbablePos = Optional.empty();
+ }
+ // Folia end - region threading
protected LivingEntity(EntityType<? extends LivingEntity> type, Level world) {
super(type, world);
@@ -482,7 +489,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
if (this.isDeadOrDying() && this.level().shouldTickDeath(this)) {
this.tickDeath();
@ -18733,7 +18767,7 @@ index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f7
if (this.lastHurtByPlayerTime > 0) {
--this.lastHurtByPlayerTime;
@@ -628,11 +628,14 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -628,11 +635,14 @@ public abstract class LivingEntity extends Entity implements Attackable {
return true;
}
@ -18750,7 +18784,7 @@ index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f7
}
}
@@ -853,9 +856,9 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -853,9 +863,9 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
this.hurtTime = nbt.getShort("HurtTime");
@ -18762,7 +18796,7 @@ index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f7
String s = nbt.getString("Team");
PlayerTeam scoreboardteam = this.level().getScoreboard().getPlayerTeam(s);
if (!this.level().paperConfig().scoreboards.allowNonPlayerEntitiesOnScoreboards && !(this instanceof net.minecraft.world.entity.player.Player)) { scoreboardteam = null; } // Paper
@@ -1135,7 +1138,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -1135,7 +1145,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
public boolean addEffect(MobEffectInstance mobeffect, @Nullable Entity entity, EntityPotionEffectEvent.Cause cause) {
@ -18771,7 +18805,7 @@ index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f7
if (this.isTickingEffects) {
this.effectsToProcess.add(new ProcessableEffect(mobeffect, cause));
return true;
@@ -2310,7 +2313,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -2310,7 +2320,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@Nullable
public LivingEntity getKillCredit() {
@ -18780,7 +18814,7 @@ index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f7
}
public final float getMaxHealth() {
@@ -3446,7 +3449,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -3446,7 +3456,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
this.pushEntities();
this.level().getProfiler().pop();
// Paper start
@ -18789,7 +18823,7 @@ index a189461330a4d427a7450d504ef13de3605497e3..302d380985ffa28e21f592d163e1a0f7
if (this.xo != this.getX() || this.yo != this.getY() || this.zo != this.getZ() || this.yRotO != this.getYRot() || this.xRotO != this.getXRot()) {
Location from = new Location(this.level().getWorld(), this.xo, this.yo, this.zo, this.yRotO, this.xRotO);
Location to = new Location (this.level().getWorld(), this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot());
@@ -4106,7 +4109,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -4106,7 +4116,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
BlockPos blockposition = BlockPos.containing(d0, d1, d2);
Level world = this.level();

View File

@ -51,7 +51,7 @@ index d9687722e02dfd4088c7030abbf5008eb0a092c8..62484ebf4550b05182f693a3180bbac5
TickThread.ensureTickThread(thisEntity, "May not tick entity scheduler asynchronously");
final List<ScheduledTask> toRun;
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 37b90c70196717c3a68b6d3b652e5716ab89998c..deaf4b65b6c9f3dbab6578c25fb78ca84507f70b 100644
index 5a71b5a37a55baea204821aba734d53dc49cb336..27b57db24587337ccdce29e492052ca419863323 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2889,6 +2889,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {

View File

@ -9,7 +9,7 @@ data deserialization and is racey even in Vanilla. But in Folia,
some accesses may throw and as such we need to fix this directly.
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 84dce5ec9d43d6f148cd8a7d19e503ce4c9900fd..d58e8211fc765c61548ac2a180de87dd2934ba37 100644
index aa42c1a05f12a614c0a7553d52efa1137b9363f9..817f79bfca1aec161cb4635b9c7a8e21b14db7eb 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -571,7 +571,7 @@ public class ServerPlayer extends Player {
@ -22,10 +22,10 @@ index 84dce5ec9d43d6f148cd8a7d19e503ce4c9900fd..d58e8211fc765c61548ac2a180de87dd
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 302d380985ffa28e21f592d163e1a0f77172762d..3c60ad621019c1daad5a0a379f7f925ce44d2d38 100644
index c52203f828f13f407c3878e73687a10a3f2bee55..f185aac0a944d561d394aa6a3907ec4999996686 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -4277,6 +4277,11 @@ public abstract class LivingEntity extends Entity implements Attackable {
@@ -4284,6 +4284,11 @@ public abstract class LivingEntity extends Entity implements Attackable {
}
});