Paper/patches/server/0080-EntityPathfindEvent.patch

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2021-06-11 14:02:28 +02:00
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/world/entity/ai/navigation/FlyingPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
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index a8f69e48937b3ebd2f57a4da747e6762c4a77934..acd0b946cab86eb173e713535194d3a9347c7d48 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
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@@ -40,7 +40,7 @@ public class FlyingPathNavigation extends PathNavigation {
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@Override
public Path createPath(Entity entity, int distance) {
- return this.createPath(entity.blockPosition(), distance);
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+ return this.createPath(entity.blockPosition(), entity, distance); // Paper - Forward target entity
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}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
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index 518f47f52105e299e037fe2e7d5870d7555be4bc..71934af2dc4d209a9fbccfd36b5f2815ec196892 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
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@@ -39,14 +39,14 @@ public class GroundPathNavigation extends PathNavigation {
}
@Override
- public Path createPath(BlockPos target, int distance) {
+ public Path createPath(BlockPos target, @javax.annotation.Nullable Entity entity, int distance) { // Paper
if (this.level.getBlockState(target).isAir()) {
BlockPos blockPos;
for(blockPos = target.below(); blockPos.getY() > this.level.getMinBuildHeight() && this.level.getBlockState(blockPos).isAir(); blockPos = blockPos.below()) {
}
if (blockPos.getY() > this.level.getMinBuildHeight()) {
- return super.createPath(blockPos.above(), distance);
+ return super.createPath(blockPos.above(), entity, distance); // Paper
}
while(blockPos.getY() < this.level.getMaxBuildHeight() && this.level.getBlockState(blockPos).isAir()) {
@@ -57,19 +57,19 @@ public class GroundPathNavigation extends PathNavigation {
}
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if (!this.level.getBlockState(target).isSolid()) {
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- return super.createPath(target, distance);
+ return super.createPath(target, entity, distance); // Paper
} else {
BlockPos blockPos2;
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for(blockPos2 = target.above(); blockPos2.getY() < this.level.getMaxBuildHeight() && this.level.getBlockState(blockPos2).isSolid(); blockPos2 = blockPos2.above()) {
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}
- return super.createPath(blockPos2, distance);
+ return super.createPath(blockPos2, entity, distance); // Paper
}
}
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@Override
public Path createPath(Entity entity, int distance) {
- return this.createPath(entity.blockPosition(), distance);
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+ return this.createPath(entity.blockPosition(), entity, distance); // Paper - Forward target entity
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}
private int getSurfaceY() {
diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
2023-06-08 00:28:06 +02:00
index f16e9bcefedb582a4bfe7a0b7ec8a97799f5e5ad..1a69a46340eee4f0273c373cc1a40b4d069a89d4 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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@@ -110,7 +110,13 @@ public abstract class PathNavigation {
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@Nullable
public Path createPath(BlockPos target, int distance) {
- return this.createPath(ImmutableSet.of(target), 8, false, distance);
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+ // Paper start - add target entity parameter
+ return this.createPath(target, null, distance);
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+ }
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+ @Nullable
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+ public Path createPath(BlockPos target, @Nullable Entity entity, int distance) {
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+ return this.createPath(ImmutableSet.of(target), entity, 8, false, distance);
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+ // Paper end
}
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@Nullable
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@@ -120,7 +126,7 @@ public abstract class PathNavigation {
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@Nullable
public Path createPath(Entity entity, int distance) {
- return this.createPath(ImmutableSet.of(entity.blockPosition()), 16, true, distance);
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+ return this.createPath(ImmutableSet.of(entity.blockPosition()), entity, 16, true, distance); // Paper
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}
@Nullable
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@@ -130,6 +136,16 @@ public abstract class PathNavigation {
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@Nullable
protected Path createPath(Set<BlockPos> positions, int range, boolean useHeadPos, int distance, float followRange) {
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+ return this.createPath(positions, null, range, useHeadPos, distance, followRange);
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+ }
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+
+ @Nullable
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+ protected Path createPath(Set<BlockPos> positions, @Nullable Entity target, int range, boolean useHeadPos, int distance) {
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+ return this.createPath(positions, target, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE));
+ }
+
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+ @Nullable protected Path createPath(Set<BlockPos> positions, @Nullable Entity target, int range, boolean useHeadPos, int distance, float followRange) {
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+ // Paper end
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if (positions.isEmpty()) {
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return null;
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} else if (this.mob.getY() < (double)this.level.getMinBuildHeight()) {
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@@ -139,6 +155,23 @@ public abstract class PathNavigation {
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} else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) {
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return this.path;
} else {
+ // Paper start - Pathfind event
+ boolean copiedSet = false;
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+ for (BlockPos possibleTarget : positions) {
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+ if (!new com.destroystokyo.paper.event.entity.EntityPathfindEvent(this.mob.getBukkitEntity(),
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+ io.papermc.paper.util.MCUtil.toLocation(this.mob.level(), possibleTarget), target == null ? null : target.getBukkitEntity()).callEvent()) {
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+ if (!copiedSet) {
+ copiedSet = true;
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+ positions = new java.util.HashSet<>(positions);
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+ }
+ // note: since we copy the set this remove call is safe, since we're iterating over the old copy
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+ positions.remove(possibleTarget);
+ if (positions.isEmpty()) {
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+ return null;
+ }
+ }
+ }
+ // Paper end
this.level.getProfiler().push("pathfind");
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BlockPos blockPos = useHeadPos ? this.mob.blockPosition().above() : this.mob.blockPosition();
int i = (int)(followRange + (float)range);
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diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java
2023-03-14 19:36:39 +01:00
index e9b49c72aa73dfcef6c136d9ed7bb5044fe8405d..2d1b2b84d7cf5bafe2cccfa0dec2bae805dbe7cf 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/WallClimberNavigation.java
@@ -16,9 +16,9 @@ public class WallClimberNavigation extends GroundPathNavigation {
}
@Override
- public Path createPath(BlockPos target, int distance) {
+ public Path createPath(BlockPos target, @Nullable Entity entity, int distance) { // Paper
this.pathToPosition = target;
- return super.createPath(target, distance);
+ return super.createPath(target, entity, distance); // Paper
}
@Override