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papermc/Spigot-Server-Patches/0343-force-entity-dismount-during-teleportation.patch
Spottedleaf 5c7081fecc Update upstream & fix some chunk related issues (#2177) 
* Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories

CraftBukkit Changes:
4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories
e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks.
d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs

* Bring Chunk load checks in-line with spigot

As of the last upstream merge spigot now checks ticket level status
when returning loaded chunks for a world from api. Now our checks
will respect that decision.

* Fix spawn ticket levels

Vanilla would keep the inner chunks of spawn available for ticking,
however my changes made all chunks non-ticking. Resolve by changing
ticket levels for spawn chunks inside the border to respect this
behavior.


* Make World#getChunkIfLoadedImmediately return only entity ticking chunks

Mojang appears to be using chunks with level > 33 (non-ticking chunks)
as cached chunks and not actually loaded chunks.

* Bring all loaded checks in line with spigot

Loaded chunks must be at least border  chunks, or level <= 33
2019-06-14 03:27:40 +01:00

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From 8589bec47b724801ef96d006fe4a276a5785e028 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Thu, 15 Nov 2018 13:38:37 +0000
Subject: [PATCH] force entity dismount during teleportation
Entities must be dismounted before teleportation in order to avoid
multiple issues in the server with regards to teleportation, shamefully,
too many plugins rely on the events firing, which means that not firing
these events caues more issues than it solves;
In order to counteract this, Entity dismount/exit vehicle events have
been modified to supress cancellation (and has a method to allow plugins
to check if this has been set), noting that cancellation will be silently
surpressed given that plugins are not expecting this event to not be cancellable.
This is a far from ideal scenario, however: given the current state of this
event and other alternatives causing issues elsewhere, I believe that
this is going to be the best soultion all around.
Improvements/suggestions welcome!
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 85106e601c..73bd0c278a 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1995,12 +1995,15 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
- public void stopRiding() {
+ // Paper start
+ public void stopRiding() { stopRiding(false); }
+ public void stopRiding(boolean suppressCancellation) {
+ // Paper end
if (this.vehicle != null) {
Entity entity = this.vehicle;
this.vehicle = null;
- if (!entity.removePassenger(this)) this.vehicle = entity; // CraftBukkit
+ if (!entity.removePassenger(this, suppressCancellation)) this.vehicle = entity; // CraftBukkit // Paper
}
}
@@ -2051,7 +2054,10 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return true; // CraftBukkit
}
- protected boolean removePassenger(Entity entity) { // CraftBukkit
+ // Paper start
+ protected boolean removePassenger(Entity entity) { return removePassenger(entity, false);}
+ protected boolean removePassenger(Entity entity, boolean suppressCancellation) { // CraftBukkit
+ // Paper end
if (entity.getVehicle() == this) {
throw new IllegalStateException("Use x.stopRiding(y), not y.removePassenger(x)");
} else {
@@ -2061,7 +2067,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
if (getBukkitEntity() instanceof Vehicle && entity.getBukkitEntity() instanceof LivingEntity) {
VehicleExitEvent event = new VehicleExitEvent(
(Vehicle) getBukkitEntity(),
- (LivingEntity) entity.getBukkitEntity()
+ (LivingEntity) entity.getBukkitEntity(), !suppressCancellation // Paper
);
Bukkit.getPluginManager().callEvent(event);
CraftEntity craftn = (CraftEntity) entity.getBukkitEntity().getVehicle();
@@ -2072,7 +2078,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
// CraftBukkit end
// Spigot start
- org.spigotmc.event.entity.EntityDismountEvent event = new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity());
+ org.spigotmc.event.entity.EntityDismountEvent event = new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity(), !suppressCancellation); // Paper
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled()) {
return false;
diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 87c4902f83..f709e7d87a 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -937,9 +937,11 @@ public abstract class EntityHuman extends EntityLiving {
return -0.35D;
}
- @Override
- public void stopRiding() {
- super.stopRiding();
+ // Paper start
+ @Override public void stopRiding() { stopRiding(false); }
+ @Override public void stopRiding(boolean suppressCancellation) {
+ // Paper end
+ super.stopRiding(suppressCancellation); // Paper - suppress
this.j = 0;
}
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index c357339c26..2806808328 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2667,11 +2667,13 @@ public abstract class EntityLiving extends Entity {
return ((Byte) this.datawatcher.get(EntityLiving.ar) & 4) != 0;
}
- @Override
- public void stopRiding() {
+ // Paper start
+ @Override public void stopRiding() { stopRiding(false); }
+ @Override public void stopRiding(boolean suppressCancellation) {
+ // Paper end
Entity entity = this.getVehicle();
- super.stopRiding();
+ super.stopRiding(suppressCancellation); // Paper - suppress
if (entity != null && entity != this.getVehicle() && !this.world.isClientSide) {
this.B(entity);
}
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 03a755e782..ee77ad79db 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -994,11 +994,13 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
}
}
- @Override
- public void stopRiding() {
+ // Paper start
+ @Override public void stopRiding() { stopRiding(false); }
+ @Override public void stopRiding(boolean suppressCancellation) {
+ // paper end
Entity entity = this.getVehicle();
- super.stopRiding();
+ super.stopRiding(suppressCancellation); // Paper
Entity entity1 = this.getVehicle();
if (entity1 != entity && this.playerConnection != null) {
--
2.21.0
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