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From 76ee96877676bceaed80df78b73f2a327b8573c6 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Fri, 22 Apr 2016 18:20:05 -0500
Subject: [PATCH] Vehicle Event Cancellation Changes
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index b2dc764..2374a35 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1658,6 +1658,10 @@ public abstract class Entity implements ICommandListener {
}
public boolean a(Entity entity, boolean flag) {
+ return this.mountEntity(entity, flag, false); // Paper - forward
+ }
+
+ public boolean mountEntity(Entity entity, boolean flag, boolean suppressEvents) { // Paper
if (!flag && (!this.n(entity) || !entity.q(this))) {
return false;
} else {
@@ -1666,7 +1670,7 @@ public abstract class Entity implements ICommandListener {
}
this.at = entity;
- this.at.o(this);
+ this.at.addRider(this, suppressEvents); // Paper
return true;
}
}
@@ -1693,12 +1697,20 @@ public abstract class Entity implements ICommandListener {
}
protected void o(Entity entity) {
+ // Paper start - Forward
+ this.addRider(entity, false);
+ }
+
+ private void addRider(Entity entity, boolean suppressEvents) {
+ // Paper end
if (entity.bz() != this) {
throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
} else {
// CraftBukkit start
com.google.common.base.Preconditions.checkState(!entity.passengers.contains(this), "Circular entity riding! %s %s", this, entity);
+ if (!suppressEvents) { // Paper - Make event calls suppressible
+ // =============================================================
CraftEntity craft = (CraftEntity) entity.getBukkitEntity().getVehicle();
Entity orig = craft == null ? null : craft.getHandle();
if (getBukkitEntity() instanceof Vehicle && entity.getBukkitEntity() instanceof LivingEntity && entity.world.isChunkLoaded((int) entity.locX >> 4, (int) entity.locZ >> 4, false)) { // Boolean not used
@@ -1721,6 +1733,8 @@ public abstract class Entity implements ICommandListener {
return;
}
// Spigot end
+ // =============================================================
+ } // Paper - end suppressible block
if (!this.world.isClientSide && entity instanceof EntityHuman && !(this.bu() instanceof EntityHuman)) {
this.passengers.add(0, entity);
} else {
@@ -1746,16 +1760,29 @@ public abstract class Entity implements ICommandListener {
CraftEntity craftn = (CraftEntity) entity.getBukkitEntity().getVehicle();
Entity n = craftn == null ? null : craftn.getHandle();
if (event.isCancelled() || n != orig) {
+ this.cancelDismount(entity); // Paper
return;
}
}
// CraftBukkit end
- Bukkit.getPluginManager().callEvent( new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity())); // Spigot
+ // Paper start - make EntityDismountEvent cancellable
+ if (!new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity()).callEvent()) {
+ this.cancelDismount(entity);
+ return;
+ }
+ // Paper end
this.passengers.remove(entity);
entity.j = 60;
}
}
+ // Paper start
+ private void cancelDismount(Entity dismounter) {
+ this.passengers.remove(dismounter);
+ dismounter.mountEntity(this, false, true);
+ }
+ // Paper end
+
protected boolean q(Entity entity) {
return this.bv().size() < 1;
}
--
2.8.2
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