250 lines
9.2 KiB
Diff
250 lines
9.2 KiB
Diff
From 6fc1ce9f3d6da7e3e418bfa524740713dd757ac0 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..ed3d86ddd3
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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 +1,113 @@
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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 hasPath() {
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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 getCurrentPath() {
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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 findPath(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 findPath(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 moveTo(@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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+ return entity.getNavigation().setDestination(pathEntity, speed);
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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 getFinalPoint() {
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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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+ @Override
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+ public int 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 getNextPoint() {
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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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2.19.0
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