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812618deba
Unintended side effects in recent versions, this patch has likely outlived its usefulness. Closes GH-452
94 lines
4 KiB
Diff
94 lines
4 KiB
Diff
From c8c8e6fd31deca3a63f0f2f9ed8c90ccfdcc447a Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach.brown@destroystokyo.com>
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Date: Fri, 22 Apr 2016 18:20:05 -0500
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Subject: [PATCH] Vehicle Event Cancellation Changes
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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 966f9fd..6ab5b04 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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@@ -1699,6 +1699,10 @@ public abstract class Entity implements ICommandListener {
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}
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public boolean a(Entity entity, boolean flag) {
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+ return this.mountEntity(entity, flag, false); // Paper - OBFHELPER
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+ }
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+
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+ public boolean mountEntity(Entity entity, boolean flag, boolean suppressEvents) { // Paper
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if (!flag && (!this.n(entity) || !entity.q(this))) {
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return false;
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} else {
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@@ -1707,7 +1711,7 @@ public abstract class Entity implements ICommandListener {
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}
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this.au = entity;
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- this.au.o(this);
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+ this.au.addRider(this, suppressEvents); // Paper
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return true;
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}
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}
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@@ -1734,12 +1738,20 @@ public abstract class Entity implements ICommandListener {
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}
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protected void o(Entity entity) {
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+ // Paper start - OBFHELPER
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+ this.addRider(entity, false);
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+ }
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+
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+ private void addRider(Entity entity, boolean suppressEvents) {
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+ // Paper end
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if (entity.bB() != this) {
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throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
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} else {
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// CraftBukkit start
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com.google.common.base.Preconditions.checkState(!entity.passengers.contains(this), "Circular entity riding! %s %s", this, entity);
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+ if (!suppressEvents) { // Paper - Make event calls suppressible
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+ // =============================================================
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CraftEntity craft = (CraftEntity) entity.getBukkitEntity().getVehicle();
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Entity orig = craft == null ? null : craft.getHandle();
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if (getBukkitEntity() instanceof Vehicle && entity.getBukkitEntity() instanceof LivingEntity && entity.world.isChunkLoaded((int) entity.locX >> 4, (int) entity.locZ >> 4, false)) { // Boolean not used
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@@ -1762,6 +1774,8 @@ public abstract class Entity implements ICommandListener {
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return;
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}
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// Spigot end
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+ // =============================================================
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+ } // Paper - end suppressible block
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if (!this.world.isClientSide && entity instanceof EntityHuman && !(this.bw() instanceof EntityHuman)) {
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this.passengers.add(0, entity);
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} else {
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@@ -1787,16 +1801,29 @@ public abstract class Entity implements ICommandListener {
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CraftEntity craftn = (CraftEntity) entity.getBukkitEntity().getVehicle();
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Entity n = craftn == null ? null : craftn.getHandle();
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if (event.isCancelled() || n != orig) {
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+ this.cancelDismount(entity); // Paper
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return;
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}
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}
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// CraftBukkit end
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- Bukkit.getPluginManager().callEvent( new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity())); // Spigot
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+ // Paper start - make EntityDismountEvent cancellable
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+ if (!new org.spigotmc.event.entity.EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity()).callEvent()) {
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+ this.cancelDismount(entity);
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+ return;
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+ }
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+ // Paper end
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this.passengers.remove(entity);
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entity.j = 60;
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}
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}
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+ // Paper start
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+ private void cancelDismount(Entity dismounter) {
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+ this.passengers.remove(dismounter);
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+ dismounter.mountEntity(this, false, true);
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+ }
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+ // Paper end
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+
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protected boolean q(Entity entity) {
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return this.bx().size() < 1;
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}
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--
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2.9.3
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