Paper/Spigot-Server-Patches/0075-EntityPathfindEvent.patch
Aikar 64ed429884
(FIRST 1.16.3): Update Paper to 1.16.3
This is a pretty tiny update with very little changed. Recommended to update
from 1.16.2 ASAP as 1.16.2 is now no longer supported.

Plugins should mostly remain working as the NMS revision did not change.
2020-09-10 19:47:58 -04:00

100 lines
4.6 KiB
Diff

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 95f916d5a08a7781278080c4f4abd4e152a945b5..da15615a19474d5db9bd46c3d772f467ec58b133 100644
--- a/src/main/java/net/minecraft/server/Navigation.java
+++ b/src/main/java/net/minecraft/server/Navigation.java
@@ -60,7 +60,7 @@ public class Navigation extends NavigationAbstract {
@Override
public PathEntity a(Entity entity, int i) {
- return this.a(entity.getChunkCoordinates(), i);
+ return this.a(entity.getChunkCoordinates(), entity, i); // Paper - Forward target entity
}
private int u() {
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index 0c3b986c07d9b8dc2012bfa5b27388a67f080ff8..d043bf14d25fd030ec5fa079e3272df0c11cc5f2 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -8,7 +8,7 @@ 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;
@@ -95,16 +95,26 @@ 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(entity.getChunkCoordinates()), 16, true, i);
+ return this.a(ImmutableSet.of(entity.getChunkCoordinates()), 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) {
@@ -114,6 +124,23 @@ public abstract class NavigationAbstract {
} else if (this.c != null && !this.c.c() && set.contains(this.p)) {
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.a.b(GenericAttributes.FOLLOW_RANGE);
BlockPosition blockposition = flag ? this.a.getChunkCoordinates().up() : this.a.getChunkCoordinates();
diff --git a/src/main/java/net/minecraft/server/NavigationFlying.java b/src/main/java/net/minecraft/server/NavigationFlying.java
index feed11b62a4df63c1782e7124a3f006d7a8019a3..013bdfe5540ae594a7f9cbe3ef8dc54dfb25afd4 100644
--- a/src/main/java/net/minecraft/server/NavigationFlying.java
+++ b/src/main/java/net/minecraft/server/NavigationFlying.java
@@ -25,7 +25,7 @@ public class NavigationFlying extends NavigationAbstract {
@Override
public PathEntity a(Entity entity, int i) {
- return this.a(entity.getChunkCoordinates(), i);
+ return this.a(entity.getChunkCoordinates(), entity, i); // Paper - Forward target entity
}
@Override