138 lines
6.2 KiB
Diff
138 lines
6.2 KiB
Diff
From 1bef7be72cadbd264426f8d9da06bbe630741efb Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Thu, 15 Nov 2018 13:38:37 +0000
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Subject: [PATCH] force entity dismount during teleportation
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Entities must be dismounted before teleportation in order to avoid
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multiple issues in the server with regards to teleportation, shamefully,
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too many plugins rely on the events firing, which means that not firing
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these events caues more issues than it solves;
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In order to counteract this, Entity dismount/exit vehicle events have
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been modified to supress cancellation (and has a method to allow plugins
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to check if this has been set), noting that cancellation will be silently
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surpressed given that plugins are not expecting this event to not be cancellable.
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This is a far from ideal scenario, however: given the current state of this
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event and other alternatives causing issues elsewhere, I believe that
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this is going to be the best soultion all around.
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Improvements/suggestions welcome!
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 641492c7ca..ffeee60a86 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -2031,12 +2031,15 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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- public void stopRiding() {
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+ // Paper start
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+ public void stopRiding() { stopRiding(false); }
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+ public void stopRiding(boolean suppressCancellation) {
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+ // Paper end
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if (this.vehicle != null) {
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Entity entity = this.vehicle;
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this.vehicle = null;
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- if (!entity.removePassenger(this)) this.vehicle = entity; // CraftBukkit
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+ if (!entity.removePassenger(this, suppressCancellation)) this.vehicle = entity; // CraftBukkit // Paper
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}
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}
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@@ -2087,7 +2090,10 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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return true; // CraftBukkit
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}
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- protected boolean removePassenger(Entity entity) { // CraftBukkit
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+ // Paper start
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+ protected boolean removePassenger(Entity entity) { return removePassenger(entity, false);}
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+ protected boolean removePassenger(Entity entity, boolean suppressCancellation) { // CraftBukkit
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+ // Paper end
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if (entity.getVehicle() == this) {
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throw new IllegalStateException("Use x.stopRiding(y), not y.removePassenger(x)");
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} else {
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@@ -2097,7 +2103,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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if (getBukkitEntity() instanceof Vehicle && entity.getBukkitEntity() instanceof LivingEntity) {
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VehicleExitEvent event = new VehicleExitEvent(
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(Vehicle) getBukkitEntity(),
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- (LivingEntity) entity.getBukkitEntity()
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+ (LivingEntity) entity.getBukkitEntity(), !suppressCancellation // Paper
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);
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Bukkit.getPluginManager().callEvent(event);
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CraftEntity craftn = (CraftEntity) entity.getBukkitEntity().getVehicle();
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@@ -2108,7 +2114,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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// CraftBukkit end
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// Spigot start
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- org.spigotmc.event.entity.EntityDismountEvent event = new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity());
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+ org.spigotmc.event.entity.EntityDismountEvent event = new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity(), !suppressCancellation); // Paper
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Bukkit.getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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return false;
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diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
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index 308ac18f7e..584166f225 100644
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--- a/src/main/java/net/minecraft/server/EntityHuman.java
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+++ b/src/main/java/net/minecraft/server/EntityHuman.java
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@@ -968,9 +968,11 @@ public abstract class EntityHuman extends EntityLiving {
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return -0.35D;
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}
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- @Override
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- public void stopRiding() {
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- super.stopRiding();
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+ // Paper start
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+ @Override public void stopRiding() { stopRiding(false); }
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+ @Override public void stopRiding(boolean suppressCancellation) {
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+ // Paper end
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+ super.stopRiding(suppressCancellation); // Paper - suppress
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this.j = 0;
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}
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diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
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index eed3e7c58e..4e64a80a8a 100644
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--- a/src/main/java/net/minecraft/server/EntityLiving.java
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+++ b/src/main/java/net/minecraft/server/EntityLiving.java
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@@ -2735,11 +2735,13 @@ public abstract class EntityLiving extends Entity {
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return ((Byte) this.datawatcher.get(EntityLiving.ao) & 4) != 0;
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}
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- @Override
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- public void stopRiding() {
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+ // Paper start
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+ @Override public void stopRiding() { stopRiding(false); }
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+ @Override public void stopRiding(boolean suppressCancellation) {
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+ // Paper end
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Entity entity = this.getVehicle();
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- super.stopRiding();
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+ super.stopRiding(suppressCancellation); // Paper - suppress
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if (entity != null && entity != this.getVehicle() && !this.world.isClientSide) {
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this.a(entity);
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}
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diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
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index e91938b54c..35ea476014 100644
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--- a/src/main/java/net/minecraft/server/EntityPlayer.java
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+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
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@@ -1021,11 +1021,13 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
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}
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}
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- @Override
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- public void stopRiding() {
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+ // Paper start
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+ @Override public void stopRiding() { stopRiding(false); }
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+ @Override public void stopRiding(boolean suppressCancellation) {
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+ // paper end
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Entity entity = this.getVehicle();
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- super.stopRiding();
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+ super.stopRiding(suppressCancellation); // Paper
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Entity entity1 = this.getVehicle();
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if (entity1 != entity && this.playerConnection != null) {
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--
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2.25.1
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