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Paper/Spigot-Server-Patches/0323-force-entity-dismount-during-teleportation.patch
MiniDigger c3640b1dc0
[1.16] Make it run (#3626)
* She compiles!

Also readded the armorstand ticking patch, thanks cat

* Update mob goal api

* Misc fixes to make it run

drop per playing mob spawns for now
2020-06-26 05:04:38 -07:00

135 Zeilen
6.4 KiB
Diff

From 0000000000000000000000000000000000000000 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 41c14d367e0b51e109001167d3c7b40676f364b8..505ba8e298a825ce69cc60c76cb040edeb0acdbd 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1948,12 +1948,15 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
- public void bb() {
+ // Paper start
+ public void bb() { 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
}
}
@@ -2008,7 +2011,10 @@ 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 {
@@ -2018,7 +2024,7 @@ 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();
@@ -2029,7 +2035,7 @@ 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 af554396fdb25719c158a81ccab76e91f5df2ff5..5ef91da9733fd9276e7bd819a11a0548e01b17f0 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -942,9 +942,11 @@ public abstract class EntityHuman extends EntityLiving {
return -0.35D;
}
- @Override
- public void bb() {
- super.bb();
+ // Paper start
+ @Override public void bb() { 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 f5f043f0a5bafb7e432a541f9ef6db0956a52f31..ed001440151078e20a449ba073d71e873ff0ad9a 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2892,11 +2892,13 @@ public abstract class EntityLiving extends Entity {
return ((Byte) this.datawatcher.get(EntityLiving.an) & 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.a(entity);
}
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 6bdbe8081689c55a61e133c7b4d3d06d0c507d50..80a9faf3b02c51efc1f55beebce173309628b9ab 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -1133,11 +1133,13 @@ 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) {