290 lines
12 KiB
Diff
290 lines
12 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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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..92d1bb8b9cdb9eb0c04574c0b6ba5acdca9fb377
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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 +1,139 @@
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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 final 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 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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+ Path 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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+ Path 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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+ Path 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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+ Path 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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+ @Override
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+ public boolean canOpenDoors() {
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+ return entity.getNavigation().getPathfinder().getPathfinder().shouldOpenDoors();
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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().getPathfinder().getPathfinder().setShouldOpenDoors(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().getPathfinder().getPathfinder().shouldPassDoors();
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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().getPathfinder().getPathfinder().setShouldPassDoors(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().getPathfinder().getPathfinder().shouldFloat();
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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().getPathfinder().getPathfinder().setShouldFloat(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.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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+ List<Location> points = new ArrayList<>();
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+ for (Node point : path.getPoints()) {
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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.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().get(path.getNextIndex()));
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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.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/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
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index 8212aab2884c2a894bc981850e483ce31814c708..69edca1ef95c37b11fe3f793e6a8f8a674bd7f6f 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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@@ -93,7 +93,7 @@ public abstract class PathNavigation {
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}
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@Nullable
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- public final Path createPath(double x, double y, double z, int distance) {
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+ public final Path calculateDestination(double d0, double d1, double d2) { return createPath(d0, d1, d2, 0); } public final Path createPath(double x, double y, double z, int distance) { // Paper - OBFHELPER
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return this.createPath(new BlockPos(x, y, z), distance);
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}
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@@ -123,7 +123,7 @@ public abstract class PathNavigation {
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}
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@Nullable
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- public Path createPath(Entity entity, int distance) {
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+ public final Path calculateDestination(Entity entity) { return createPath(entity, 0); } public Path createPath(Entity entity, int distance) {
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return this.createPath(ImmutableSet.of(entity.blockPosition()), entity, 16, true, distance); // Paper
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}
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@@ -195,6 +195,7 @@ public abstract class PathNavigation {
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return path != null && this.moveTo(path, speed);
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}
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+ public boolean setDestination(@Nullable Path pathentity, double speed) { return moveTo(pathentity, speed); } // Paper - OBFHELPER
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public boolean moveTo(@Nullable Path path, double speed) {
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if (path == null) {
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this.path = null;
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@@ -221,7 +222,7 @@ public abstract class PathNavigation {
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}
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}
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- @Nullable
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+ @Nullable public Path getPathEntity() { return getPath(); } @Nullable // Paper - OBFHELPER
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public Path getPath() {
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return this.path;
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}
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@@ -335,6 +336,7 @@ public abstract class PathNavigation {
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return !this.isDone();
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}
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+ public void stopPathfinding() { stop(); } // Paper - OBFHELPER
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public void stop() {
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this.path = null;
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}
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diff --git a/src/main/java/net/minecraft/world/level/pathfinder/Node.java b/src/main/java/net/minecraft/world/level/pathfinder/Node.java
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index d7a86444d0e76154319c409317fc5ac9c54403a8..328f050ae68e0b42690f05e5995fb2711b8cf46d 100644
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--- a/src/main/java/net/minecraft/world/level/pathfinder/Node.java
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+++ b/src/main/java/net/minecraft/world/level/pathfinder/Node.java
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@@ -6,9 +6,9 @@ import net.minecraft.util.Mth;
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import net.minecraft.world.phys.Vec3;
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public class Node {
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- public final int x;
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- public final int y;
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- public final int z;
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+ public final int x; public final int getX() { return x; } // Paper - OBFHELPER
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+ public final int y; public final int getY() { return y; } // Paper - OBFHELPER
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+ public final int z; public final int getZ() { return z; } // Paper - OBFHELPER
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private final int hash;
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public int heapIdx = -1;
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public float g;
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diff --git a/src/main/java/net/minecraft/world/level/pathfinder/NodeEvaluator.java b/src/main/java/net/minecraft/world/level/pathfinder/NodeEvaluator.java
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index 72ca8adb9fa65588c6b1e19be2dc27a36c0146a6..e5bfd9ade1a49e11afd4a49784a0874654945709 100644
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--- a/src/main/java/net/minecraft/world/level/pathfinder/NodeEvaluator.java
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+++ b/src/main/java/net/minecraft/world/level/pathfinder/NodeEvaluator.java
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@@ -15,9 +15,9 @@ public abstract class NodeEvaluator {
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protected int entityWidth;
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protected int entityHeight;
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protected int entityDepth;
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- protected boolean canPassDoors;
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- protected boolean canOpenDoors;
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- protected boolean canFloat;
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+ protected boolean canPassDoors; public boolean shouldPassDoors() { return canPassDoors; } public void setShouldPassDoors(boolean b) { canPassDoors = b; } // Paper - obfhelper
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+ protected boolean canOpenDoors; public boolean shouldOpenDoors() { return canOpenDoors; } public void setShouldOpenDoors(boolean b) { canOpenDoors = b; } // Paper - obfhelper
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+ protected boolean canFloat; public boolean shouldFloat() { return canFloat; } public void setShouldFloat(boolean b) { canFloat = b; } // Paper - obfhelper
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public void prepare(PathNavigationRegion cachedWorld, Mob entity) {
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this.level = cachedWorld;
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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 6928c415e328dd7cff2e9ec553bc4faa1ff8facf..e95312e5b0f0200178cbe1a61b3629dfeac55b4a 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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@@ -12,14 +12,15 @@ import net.minecraft.world.entity.Entity;
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import net.minecraft.world.phys.Vec3;
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public class Path {
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- private final List<Node> nodes;
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+ private final List<Node> nodes; public List<Node> getPoints() { return nodes; } // Paper - OBFHELPER
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private Node[] openSet = new Node[0];
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private Node[] closedSet = new Node[0];
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private Set<Target> targetNodes;
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- private int nextNodeIndex;
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+ private int nextNodeIndex; public int getNextIndex() { return this.nextNodeIndex; } // Paper - OBFHELPER
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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 getNextIndex() < getPoints().size(); } // Paper
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public Path(List<Node> nodes, BlockPos target, boolean reachesTarget) {
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this.nodes = nodes;
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@@ -41,7 +42,7 @@ public class Path {
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}
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@Nullable
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- public Node getEndNode() {
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+ public Node getFinalPoint() { return getEndNode(); } @Nullable public Node getEndNode() { // Paper - OBFHELPER
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return !this.nodes.isEmpty() ? this.nodes.get(this.nodes.size() - 1) : null;
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}
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@@ -88,7 +89,7 @@ public class Path {
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return this.getEntityPosAtNode(entity, this.nextNodeIndex);
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}
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- public BlockPos getNextNodePos() {
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+ public BlockPos getNext() { return getNextNodePos(); } public BlockPos getNextNodePos() { // Paper - OBFHELPER
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return this.nodes.get(this.nextNodeIndex).asBlockPos();
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}
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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 71872fdfafca82cf745eecee4bf984726d49f5a4..9c9fa83615cd06539ce5e4e3d4feaa69f65b7931 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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@@ -11,8 +11,11 @@ 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
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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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net.minecraft.world.entity.Mob entity = this.getHandle();
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