134 lines
6.5 KiB
Diff
134 lines
6.5 KiB
Diff
From 0000000000000000000000000000000000000000 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/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 8beca0412c65ad03376fb76e2d993bc841bf9e0b..77d9a4ce7be345b6a999a0269b26c0e60acab864 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -1299,11 +1299,13 @@ public class ServerPlayer extends Player {
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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.connection != null) {
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 62bb61b6f8e099eddf3ad12b7ff47f62cab2eaa9..f95b6e77318f18c62b7c7dda2be23161ddd914d7 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -2214,12 +2214,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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}
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- public void removeVehicle() {
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+ // Paper start
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+ public void removeVehicle() { 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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@@ -2282,7 +2285,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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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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@@ -2292,7 +2298,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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if (this.getBukkitEntity() instanceof Vehicle && entity.getBukkitEntity() instanceof LivingEntity) {
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VehicleExitEvent event = new VehicleExitEvent(
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(Vehicle) this.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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// Suppress during worldgen
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if (this.valid) {
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@@ -2306,7 +2312,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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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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// Suppress during worldgen
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if (this.valid) {
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Bukkit.getPluginManager().callEvent(event);
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index f795e7e689e205e9ba5ef57482850679ad7b19f9..1460a3185d557acfe695d46b4254a2a573cb7323 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3328,11 +3328,13 @@ public abstract class LivingEntity extends Entity {
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return ((Byte) this.entityData.get(LivingEntity.DATA_LIVING_ENTITY_FLAGS) & 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.level.isClientSide) {
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this.dismountVehicle(entity);
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}
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diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
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index 1a7bd2462bab95fa6986cef705e5e5b82da30063..857346b755454956268cc594bb03dc060f2a4aac 100644
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--- a/src/main/java/net/minecraft/world/entity/player/Player.java
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+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
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@@ -1096,9 +1096,11 @@ public abstract class Player extends LivingEntity {
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return -0.35D;
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}
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- @Override
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- public void removeVehicle() {
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- super.removeVehicle();
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+ // Paper start
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+ @Override public void removeVehicle() { 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.boardingCooldown = 0;
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}
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