geforkt von Mirrors/Paper
16efbae731
Adds an API to allow plugins to instruct a Mob to Pathfind to a Location or Entity This does not do anything to stop other AI rules from changing the location, so it is still up to the plugin to control that or override after another goal changed the location.
252 Zeilen
9.3 KiB
Diff
252 Zeilen
9.3 KiB
Diff
From 9fbd992b34f5bd07d4390a00ab7e02a0520f22b6 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 9 Sep 2018 13:30:00 -0400
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Subject: [PATCH] Mob Pathfinding API
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Implements Pathfinding API for mobs
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diff --git a/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java b/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java
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new file mode 100644
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index 0000000000..5062594d62
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java
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@@ -0,0 +1,115 @@
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+package com.destroystokyo.paper.entity;
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+
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+import net.minecraft.server.EntityInsentient;
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+import net.minecraft.server.PathEntity;
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+import net.minecraft.server.PathPoint;
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+import org.apache.commons.lang.Validate;
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+import org.bukkit.Location;
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+import org.bukkit.craftbukkit.entity.CraftLivingEntity;
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+import org.bukkit.entity.LivingEntity;
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+import org.bukkit.entity.Mob;
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+
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+import javax.annotation.Nonnull;
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+import javax.annotation.Nullable;
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+import java.util.ArrayList;
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+import java.util.List;
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+
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+public class PaperPathfinder implements com.destroystokyo.paper.entity.Pathfinder {
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+
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+ private final EntityInsentient entity;
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+
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+ public PaperPathfinder(EntityInsentient entity) {
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+ this.entity = entity;
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+ }
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+
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+ @Override
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+ public Mob getEntity() {
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+ return entity.getBukkitMob();
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+ }
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+
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+ @Override
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+ public void stopPathfinding() {
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+ entity.getNavigation().stopPathfinding();
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+ }
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+
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+ @Override
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+ public boolean hasDestination() {
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+ return entity.getNavigation().getPathEntity() != null;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public PathResult getCurrentDestination() {
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+ PathEntity path = entity.getNavigation().getPathEntity();
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+ return path != null ? new PaperPathResult(path) : null;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public PathResult calculateDestination(Location loc) {
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+ Validate.notNull(loc, "Location can not be null");
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+ PathEntity path = entity.getNavigation().calculateDestination(loc.getX(), loc.getY(), loc.getZ());
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+ return path != null ? new PaperPathResult(path) : null;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public PathResult calculateDestination(LivingEntity target) {
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+ Validate.notNull(target, "Target can not be null");
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+ PathEntity path = entity.getNavigation().calculateDestination(((CraftLivingEntity) target).getHandle());
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+ return path != null ? new PaperPathResult(path) : null;
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+ }
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+
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+ @Override
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+ public boolean setDestination(@Nonnull PathResult path, double speed) {
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+ Validate.notNull(path, "PathResult can not be null");
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+ PathEntity pathEntity = ((PaperPathResult) path).path;
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+ entity.getNavigation().setDestination(pathEntity, speed);
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+ return false;
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+ }
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+
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+ public class PaperPathResult implements com.destroystokyo.paper.entity.PaperPathfinder.PathResult {
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+
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+ private final PathEntity path;
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+ PaperPathResult(PathEntity path) {
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+ this.path = path;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public Location getLocation() {
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+ PathPoint point = path.getFinalPoint();
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+ return point != null ? toLoc(point) : null;
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+ }
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+
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+ @Override
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+ public List<Location> getPoints() {
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+ int pathCount = path.getPathCount();
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+ List<Location> points = new ArrayList<>();
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+ PathPoint[] pathPoints = path.getPoints();
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+ for (int i = 0; i < pathCount; i++) {
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+ points.add(toLoc(pathPoints[i]));
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+ }
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+ return points;
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+ }
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+
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+ @Nullable
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+ @Override
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+ public Integer getNextPointIndex() {
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+ return path.getNextIndex();
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+ }
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+
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+ @Nullable
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+ @Override
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+ public Location getNextPointLocation() {
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+ if (!path.hasNext()) {
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+ return null;
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+ }
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+ return toLoc(path.getPoints()[path.getNextIndex()]);
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+ }
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+ }
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+
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+ private Location toLoc(PathPoint point) {
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+ return new Location(entity.world.getWorld(), point.getX(), point.getY(), point.getZ());
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
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index 452da80f11..4023253f42 100644
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--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
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+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
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@@ -63,7 +63,7 @@ public abstract class NavigationAbstract {
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}
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@Nullable
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- public final PathEntity a(double d0, double d1, double d2) {
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+ public final PathEntity calculateDestination(double d0, double d1, double d2) { return a(d0, d1, d2); } @Nullable public final PathEntity a(double d0, double d1, double d2) { // Paper - OBFHELPER
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return this.b(new BlockPosition(d0, d1, d2));
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}
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@@ -89,7 +89,7 @@ public abstract class NavigationAbstract {
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}
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@Nullable
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- public PathEntity a(Entity entity) {
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+ public PathEntity calculateDestination(Entity entity) { return a(entity); } @Nullable public PathEntity a(Entity entity) { // Paper - OBFHELPER
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if (!this.b()) {
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return null;
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} else {
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@@ -138,6 +138,7 @@ public abstract class NavigationAbstract {
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private int pathfindFailures = 0;
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// Paper end
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+ public boolean setDestination(@Nullable PathEntity pathentity, double speed) { return a(pathentity, speed); } // Paper - OBFHELPER
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public boolean a(@Nullable PathEntity pathentity, double d0) {
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if (pathentity == null) {
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this.c = null;
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@@ -159,8 +160,7 @@ public abstract class NavigationAbstract {
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}
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}
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}
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-
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- @Nullable
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+ @Nullable public PathEntity getPathEntity() { return m(); } @Nullable // Paper - OBFHELPER
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public PathEntity m() {
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return this.c;
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}
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@@ -261,6 +261,7 @@ public abstract class NavigationAbstract {
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return this.c == null || this.c.b();
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}
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+ public void stopPathfinding() { q(); } // Paper - OBFHELPER
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public void q() {
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this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations
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this.c = null;
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diff --git a/src/main/java/net/minecraft/server/PathEntity.java b/src/main/java/net/minecraft/server/PathEntity.java
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index 5ffcda6d56..dae08cbbf8 100644
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--- a/src/main/java/net/minecraft/server/PathEntity.java
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+++ b/src/main/java/net/minecraft/server/PathEntity.java
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@@ -3,12 +3,13 @@ package net.minecraft.server;
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import javax.annotation.Nullable;
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public class PathEntity {
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- private final PathPoint[] a;
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+ private final PathPoint[] a; public PathPoint[] getPoints() { return a; } // Paper - OBFHELPER
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private PathPoint[] b = new PathPoint[0];
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private PathPoint[] c = new PathPoint[0];
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private PathPoint d;
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- private int e;
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- private int f;
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+ private int e; public int getNextIndex() { return e; } // Paper - OBFHELPER
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+ private int f; public int getPathCount() { return f; } // Paper - OBFHELPER
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+ public boolean hasNext() { return getNextIndex() < getPathCount(); } // Paper
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public PathEntity(PathPoint[] apathpoint) {
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this.a = apathpoint;
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@@ -24,7 +25,7 @@ public class PathEntity {
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}
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@Nullable
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- public PathPoint c() {
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+ public PathPoint getFinalPoint() { return c(); } @Nullable public PathPoint c() { // Paper - OBFHELPER
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return this.f > 0 ? this.a[this.f - 1] : null;
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}
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@@ -63,7 +64,7 @@ public class PathEntity {
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return this.a(entity, this.e);
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}
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- public Vec3D f() {
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+ public Vec3D getNext() { return f(); } public Vec3D f() { // Paper - OBFHELPER
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PathPoint pathpoint = this.a[this.e];
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return new Vec3D((double)pathpoint.a, (double)pathpoint.b, (double)pathpoint.c);
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}
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diff --git a/src/main/java/net/minecraft/server/PathPoint.java b/src/main/java/net/minecraft/server/PathPoint.java
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index 497f472233..7fd1eff0b5 100644
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--- a/src/main/java/net/minecraft/server/PathPoint.java
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+++ b/src/main/java/net/minecraft/server/PathPoint.java
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@@ -1,9 +1,9 @@
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package net.minecraft.server;
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public class PathPoint {
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- public final int a;
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- public final int b;
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- public final int c;
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+ public final int a; public final int getX() { return a; } // Paper - OBFHELPER
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+ public final int b; public final int getY() { return b; } // Paper - OBFHELPER
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+ public final int c; public final int getZ() { return c; } // Paper - OBFHELPER
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private final int n;
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public int d = -1;
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public float e;
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
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index 5bf1cd06fa..53c2d154ed 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
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@@ -12,8 +12,11 @@ import org.bukkit.loot.LootTable;
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public abstract class CraftMob extends CraftLivingEntity implements Mob {
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public CraftMob(CraftServer server, EntityInsentient entity) {
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super(server, entity);
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+ paperPathfinder = new com.destroystokyo.paper.entity.PaperPathfinder(entity); // Paper
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}
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+ private final com.destroystokyo.paper.entity.PaperPathfinder paperPathfinder; // Paper
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+ @Override public com.destroystokyo.paper.entity.Pathfinder getPathfinder() { return paperPathfinder; } // Paper
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@Override
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public void setTarget(LivingEntity target) {
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EntityInsentient entity = getHandle();
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--
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2.18.0
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