PaperMC/Spigot-Server-Patches/EntityPathfindEvent.patch
Aikar a25f99d254 Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
122289ff Add FaceAttachable interface to handle Grindstone facing in common with Switches
a6db750e SPIGOT-5647: ZombieVillager entity should have getVillagerType()

CraftBukkit Changes:
bbe3d58e SPIGOT-5650: Lectern.setPage(int) causes a NullPointerException
3075579f Add FaceAttachable interface to handle Grindstone facing in common with Switches
95bd4238 SPIGOT-5647: ZombieVillager entity should have getVillagerType()
4d975ac3 SPIGOT-5617: setBlockData does not work when NotPlayEvent is called by redstone current
2020-04-02 17:07:06 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 28 Mar 2016 21:22:26 -0400
Subject: [PATCH] EntityPathfindEvent
Fires when an Entity decides to start moving to a location.
diff --git a/src/main/java/net/minecraft/server/Navigation.java b/src/main/java/net/minecraft/server/Navigation.java
index 3fdeda0cea..abf450917e 100644
--- a/src/main/java/net/minecraft/server/Navigation.java
+++ b/src/main/java/net/minecraft/server/Navigation.java
@@ -0,0 +0,0 @@ public class Navigation extends NavigationAbstract {
@Override
public PathEntity a(Entity entity, int i) {
- return this.a(new BlockPosition(entity), i);
+ return this.a(new BlockPosition(entity), entity, i); // Paper - Forward target entity
}
private int t() {
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index a600ee7654..5e7158ba10 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -0,0 +0,0 @@ import javax.annotation.Nullable;
public abstract class NavigationAbstract {
- protected final EntityInsentient a;
+ protected final EntityInsentient a; public Entity getEntity() { return a; } // Paper - OBFHELPER
protected final World b;
@Nullable
protected PathEntity c;
@@ -0,0 +0,0 @@ public abstract class NavigationAbstract {
@Nullable
public PathEntity a(BlockPosition blockposition, int i) {
- return this.a(ImmutableSet.of(blockposition), 8, false, i);
+ // Paper start - add target parameter
+ return this.a(blockposition, null, i);
+ }
+ @Nullable public PathEntity a(BlockPosition blockposition, Entity target, int i) {
+ return this.a(ImmutableSet.of(blockposition), target, 8, false, i);
+ // Paper end
}
@Nullable
public PathEntity a(Entity entity, int i) {
- return this.a(ImmutableSet.of(new BlockPosition(entity)), 16, true, i);
+ return this.a(ImmutableSet.of(new BlockPosition(entity)), entity, 16, true, i); // Paper
}
@Nullable
+ // Paper start - Add target
protected PathEntity a(Set<BlockPosition> set, int i, boolean flag, int j) {
+ return this.a(set, null, i, flag, j);
+ }
+ @Nullable protected PathEntity a(Set<BlockPosition> set, Entity target, int i, boolean flag, int j) {
+ // Paper end
if (set.isEmpty()) {
return null;
} else if (this.a.locY() < 0.0D) {
@@ -0,0 +0,0 @@ public abstract class NavigationAbstract {
} else if (this.c != null && !this.c.b() && set.contains(this.q)) {
return this.c;
} else {
+ // Paper start - Pathfind event
+ boolean copiedSet = false;
+ for (BlockPosition possibleTarget : set) {
+ if (!new com.destroystokyo.paper.event.entity.EntityPathfindEvent(getEntity().getBukkitEntity(),
+ MCUtil.toLocation(getEntity().world, possibleTarget), target == null ? null : target.getBukkitEntity()).callEvent()) {
+ if (!copiedSet) {
+ copiedSet = true;
+ set = new java.util.HashSet<>(set);
+ }
+ // note: since we copy the set this remove call is safe, since we're iterating over the old copy
+ set.remove(possibleTarget);
+ if (set.isEmpty()) {
+ return null;
+ }
+ }
+ }
+ // Paper end
this.b.getMethodProfiler().enter("pathfind");
float f = (float) this.p.getValue();
BlockPosition blockposition = flag ? (new BlockPosition(this.a)).up() : new BlockPosition(this.a);
diff --git a/src/main/java/net/minecraft/server/NavigationFlying.java b/src/main/java/net/minecraft/server/NavigationFlying.java
index 5b057e96db..f16c6d1faa 100644
--- a/src/main/java/net/minecraft/server/NavigationFlying.java
+++ b/src/main/java/net/minecraft/server/NavigationFlying.java
@@ -0,0 +0,0 @@ public class NavigationFlying extends NavigationAbstract {
@Override
public PathEntity a(Entity entity, int i) {
- return this.a(new BlockPosition(entity), i);
+ return this.a(new BlockPosition(entity), entity, i); // Paper - Forward target entity
}
@Override
--