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210 lines
7.5 KiB
Diff
210 lines
7.5 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: 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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== AT ==
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public net.minecraft.world.entity.ai.navigation.PathNavigation pathFinder
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public net.minecraft.world.level.pathfinder.PathFinder nodeEvaluator
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public net.minecraft.world.level.pathfinder.Path nodes
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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 0000000000000000000000000000000000000000..946cbc955683e81933e0f3c0db5f8cc4ec437a76
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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 +1,148 @@
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+package com.destroystokyo.paper.entity;
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+
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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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+import javax.annotation.Nonnull;
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+import javax.annotation.Nullable;
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+import net.minecraft.world.level.pathfinder.Node;
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+import net.minecraft.world.level.pathfinder.Path;
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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 net.minecraft.world.entity.Mob entity;
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+
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+ public PaperPathfinder(net.minecraft.world.entity.Mob 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 (Mob) entity.getBukkitEntity();
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+ }
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+
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+ public void setHandle(net.minecraft.world.entity.Mob 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 void stopPathfinding() {
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+ entity.getNavigation().stop();
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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().getPath() != null && !entity.getNavigation().getPath().isDone();
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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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+ Path path = entity.getNavigation().getPath();
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+ return path != null && !path.isDone() ? 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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+ Path path = entity.getNavigation().createPath(loc.getX(), loc.getY(), loc.getZ(), 0);
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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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+ Path path = entity.getNavigation().createPath(((CraftLivingEntity) target).getHandle(), 0);
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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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+ Path pathEntity = ((PaperPathResult) path).path;
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+ return entity.getNavigation().moveTo(pathEntity, speed);
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+ }
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+
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+ @Override
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+ public boolean canOpenDoors() {
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+ return entity.getNavigation().pathFinder.nodeEvaluator.canOpenDoors();
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+ }
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+
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+ @Override
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+ public void setCanOpenDoors(boolean canOpenDoors) {
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+ entity.getNavigation().pathFinder.nodeEvaluator.setCanOpenDoors(canOpenDoors);
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+ }
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+
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+ @Override
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+ public boolean canPassDoors() {
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+ return entity.getNavigation().pathFinder.nodeEvaluator.canPassDoors();
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+ }
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+
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+ @Override
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+ public void setCanPassDoors(boolean canPassDoors) {
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+ entity.getNavigation().pathFinder.nodeEvaluator.setCanPassDoors(canPassDoors);
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+ }
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+
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+ @Override
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+ public boolean canFloat() {
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+ return entity.getNavigation().pathFinder.nodeEvaluator.canFloat();
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+ }
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+
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+ @Override
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+ public void setCanFloat(boolean canFloat) {
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+ entity.getNavigation().pathFinder.nodeEvaluator.setCanFloat(canFloat);
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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 Path path;
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+ PaperPathResult(Path 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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+ Node point = path.getEndNode();
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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 boolean canReachFinalPoint() {
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+ return path.canReach();
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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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+ List<Location> points = new ArrayList<>();
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+ for (Node point : path.nodes) {
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+ points.add(toLoc(point));
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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.getNextNodeIndex();
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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.nodes.get(path.getNextNodeIndex()));
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+ }
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+ }
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+
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+ private Location toLoc(Node point) {
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+ return new Location(entity.level().getWorld(), point.x, point.y, point.z);
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/world/level/pathfinder/Path.java b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
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index f6419f3b345e9e21a05b315aa4669090d7da4194..d9d0fff9962131808d54cca20f209df50b8e4af1 100644
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--- a/src/main/java/net/minecraft/world/level/pathfinder/Path.java
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+++ b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
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@@ -18,6 +18,7 @@ public class Path {
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private final BlockPos target;
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private final float distToTarget;
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private final boolean reached;
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+ public boolean hasNext() { return getNextNodeIndex() < this.nodes.size(); } // Paper - Mob Pathfinding API
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public Path(List<Node> nodes, BlockPos target, boolean reachesTarget) {
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this.nodes = nodes;
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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 31f7b19b8978d941df801c97ad8989ef18d9fe2d..26c9bc53fe50636ca1eb32144c648f382d4172ff 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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@@ -14,8 +14,11 @@ 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, net.minecraft.world.entity.Mob entity) {
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super(server, entity);
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+ paperPathfinder = new com.destroystokyo.paper.entity.PaperPathfinder(entity); // Paper - Mob Pathfinding API
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}
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+ private final com.destroystokyo.paper.entity.PaperPathfinder paperPathfinder; // Paper - Mob Pathfinding API
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+ @Override public com.destroystokyo.paper.entity.Pathfinder getPathfinder() { return paperPathfinder; } // Paper - Mob Pathfinding API
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@Override
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public void setTarget(LivingEntity target) {
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Preconditions.checkState(!this.getHandle().generation, "Cannot set target during world generation");
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@@ -56,6 +59,14 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
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return (net.minecraft.world.entity.Mob) this.entity;
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}
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+ // Paper start - Mob Pathfinding API
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+ @Override
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+ public void setHandle(net.minecraft.world.entity.Entity entity) {
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+ super.setHandle(entity);
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+ paperPathfinder.setHandle(getHandle());
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+ }
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+ // Paper end - Mob Pathfinding API
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+
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@Override
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public String toString() {
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return "CraftMob";
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