papermc/Spigot-Server-Patches/0139-Vehicle-Event-Cancellation-Changes.patch
Aikar fe18b38aea Remove unneeded mob spawn cap patch - Fixes #235
I misread the code and thought the code kept looping until the mob spawn cap was hit.

Upon furthur review, this is not true, so this patch doesn't do anything sane.
2016-05-27 21:35:28 -04:00

94 lines
4 KiB
Diff

From 7c0576f1a381b34355c782f0cb34303143d7ca98 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;
}
--
2.7.4 (Apple Git-66)