126 lines
6.3 KiB
Diff
126 lines
6.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 28 Mar 2016 21:22:26 -0400
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Subject: [PATCH] EntityPathfindEvent
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Fires when an Entity decides to start moving to a location.
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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 0af2c5dde41043a6fb2fcd07db96288c7f96e0c7..5e7e678c4469e34c7ae39656f547243fbcf1d0da 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
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@@ -37,7 +37,7 @@ public class FlyingPathNavigation extends PathNavigation {
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@Override
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public Path createPath(Entity entity, int distance) {
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- return this.createPath(entity.blockPosition(), distance);
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+ return this.a(entity.blockPosition(), entity, distance); // Paper - Forward target entity
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}
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@Override
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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 cd7cb7cbe55a36282de394efc95f4ba7cc6a75cf..01be1de9d9ca0a86d69b2e82693bd0fea61a969f 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
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@@ -75,7 +75,7 @@ public class GroundPathNavigation extends PathNavigation {
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@Override
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public Path createPath(Entity entity, int distance) {
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- return this.createPath(entity.blockPosition(), distance);
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+ return this.a(entity.blockPosition(), entity, distance); // Paper - Forward target entity
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}
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private int getSurfaceY() {
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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
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index 3cfd913e31236e35e7225ba19d292cacb8b4134a..ae8d430382b20ddd837c47e39515c7995f25312a 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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@@ -10,6 +10,7 @@ import net.minecraft.core.BlockPos;
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import net.minecraft.core.Position;
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import net.minecraft.core.Vec3i;
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import net.minecraft.network.protocol.game.DebugPackets;
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+import net.minecraft.server.MCUtil;
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import net.minecraft.util.Mth;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.Mob;
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@@ -28,7 +29,7 @@ import net.minecraft.world.phys.Vec3;
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public abstract class PathNavigation {
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- protected final Mob mob;
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+ protected final Mob mob; public Entity getEntity() { return mob; } // Paper - OBFHELPER
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protected final Level level;
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@Nullable
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protected Path path;
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@@ -115,36 +116,63 @@ public abstract class PathNavigation {
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@Nullable
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public Path createPath(BlockPos target, int distance) {
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- return this.createPath(ImmutableSet.of(target), 8, false, distance);
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+ // Paper start - add target parameter
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+ return this.a(target, null, distance);
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+ }
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+ @Nullable public Path a(BlockPos blockposition, Entity target, int i) {
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+ return this.a(ImmutableSet.of(blockposition), target, 8, false, i);
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+ // Paper end
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}
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@Nullable
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public Path createPath(Entity entity, int distance) {
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- return this.createPath(ImmutableSet.of(entity.blockPosition()), 16, true, distance);
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+ return this.a(ImmutableSet.of(entity.blockPosition()), entity, 16, true, distance); // Paper
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}
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@Nullable
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+ // Paper start - Add target
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protected Path createPath(Set<BlockPos> positions, int range, boolean flag, int distance) {
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- if (positions.isEmpty()) {
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+ return this.a(positions, null, range, flag, distance);
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+ }
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+ @Nullable protected Path a(Set<BlockPos> set, Entity target, int i, boolean flag, int j) {
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+ // Paper end
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+ if (set.isEmpty()) {
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return null;
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} else if (this.mob.getY() < 0.0D) {
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return null;
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} else if (!this.canUpdatePath()) {
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return null;
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- } else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) {
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+ } else if (this.path != null && !this.path.isDone() && set.contains(this.targetPos)) {
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return this.path;
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} else {
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+ // Paper start - Pathfind event
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+ boolean copiedSet = false;
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+ for (BlockPos possibleTarget : set) {
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+ if (!new com.destroystokyo.paper.event.entity.EntityPathfindEvent(getEntity().getBukkitEntity(),
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+ MCUtil.toLocation(getEntity().level, possibleTarget), target == null ? null : target.getBukkitEntity()).callEvent()) {
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+ if (!copiedSet) {
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+ copiedSet = true;
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+ set = new java.util.HashSet<>(set);
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+ }
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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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+ set.remove(possibleTarget);
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+ if (set.isEmpty()) {
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+ return null;
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+ }
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+ }
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+ }
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+ // Paper end
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this.level.getProfiler().push("pathfind");
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float f = (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE);
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BlockPos blockposition = flag ? this.mob.blockPosition().above() : this.mob.blockPosition();
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- int k = (int) (f + (float) range);
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+ int k = (int) (f + (float) i);
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PathNavigationRegion chunkcache = new PathNavigationRegion(this.level, blockposition.offset(-k, -k, -k), blockposition.offset(k, k, k));
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- Path pathentity = this.pathFinder.findPath(chunkcache, this.mob, positions, f, distance, this.maxVisitedNodesMultiplier);
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+ Path pathentity = this.pathFinder.findPath(chunkcache, this.mob, set, f, j, this.maxVisitedNodesMultiplier);
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this.level.getProfiler().pop();
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if (pathentity != null && pathentity.getTarget() != null) {
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this.targetPos = pathentity.getTarget();
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- this.reachRange = distance;
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+ this.reachRange = j;
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this.resetStuckTimeout();
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}
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