PaperMC/patches/server/0252-Mob-Pathfinding-API.patch
Jake Potrebic de04cbced5
Updated Upstream (Bukkit/CraftBukkit) (#10034)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
f29cb801 Separate checkstyle-suppressions file is not required
86f99bbe SPIGOT-7540, PR-946: Add ServerTickManager API
d4119585 SPIGOT-6903, PR-945: Add BlockData#getMapColor
b7a2ed41 SPIGOT-7530, PR-947: Add Player#removeResourcePack
9dd56255 SPIGOT-7527, PR-944: Add WindCharge#explode()
994a6163 Attempt upgrade of resolver libraries

CraftBukkit Changes:
b3b43a6ad Add Checkstyle check for unused imports
13fb3358e SPIGOT-7544: Scoreboard#getEntries() doesn't get entries but class names
3dda99c06 SPIGOT-7540, PR-1312: Add ServerTickManager API
2ab4508c0 SPIGOT-6903, PR-1311: Add BlockData#getMapColor
1dbdbbed4 PR-1238: Remove unnecessary sign ticking
659728d2a MC-264285, SPIGOT-7439, PR-1237: Fix unbreakable flint and steel is completely consumed while igniting creeper
e37e29ce0 Increase outdated build delay
c00438b39 SPIGOT-7530, PR-1313: Add Player#removeResourcePack
492dd80ce SPIGOT-7527, PR-1310: Add WindCharge#explode()
e11fbb9d7 Upgrade MySQL driver
9f3a0bd2a Attempt upgrade of resolver libraries
60d16d7ca PR-1306: Centralize Bukkit and Minecraft entity conversion

Spigot Changes:
06d602e7 Rebuild patches
2023-12-16 18:09:28 -08:00

204 lines
7.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 9 Sep 2018 13:30:00 -0400
Subject: [PATCH] Mob Pathfinding API
Implements Pathfinding API for mobs
== AT ==
public net.minecraft.world.entity.ai.navigation.PathNavigation pathFinder
public net.minecraft.world.level.pathfinder.PathFinder nodeEvaluator
public net.minecraft.world.level.pathfinder.Path nodes
diff --git a/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java b/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java
new file mode 100644
index 0000000000000000000000000000000000000000..064712e7b27a200b29c72076a82f4f5611fa507f
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java
@@ -0,0 +1,143 @@
+package com.destroystokyo.paper.entity;
+
+import org.apache.commons.lang.Validate;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.entity.CraftLivingEntity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Mob;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import net.minecraft.world.level.pathfinder.Node;
+import net.minecraft.world.level.pathfinder.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+public class PaperPathfinder implements com.destroystokyo.paper.entity.Pathfinder {
+
+ private net.minecraft.world.entity.Mob entity;
+
+ public PaperPathfinder(net.minecraft.world.entity.Mob entity) {
+ this.entity = entity;
+ }
+
+ @Override
+ public Mob getEntity() {
+ return entity.getBukkitMob();
+ }
+
+ public void setHandle(net.minecraft.world.entity.Mob entity) {
+ this.entity = entity;
+ }
+
+ @Override
+ public void stopPathfinding() {
+ entity.getNavigation().stop();
+ }
+
+ @Override
+ public boolean hasPath() {
+ return entity.getNavigation().getPath() != null && !entity.getNavigation().getPath().isDone();
+ }
+
+ @Nullable
+ @Override
+ public PathResult getCurrentPath() {
+ Path path = entity.getNavigation().getPath();
+ return path != null && !path.isDone() ? new PaperPathResult(path) : null;
+ }
+
+ @Nullable
+ @Override
+ public PathResult findPath(Location loc) {
+ Validate.notNull(loc, "Location can not be null");
+ Path path = entity.getNavigation().createPath(loc.getX(), loc.getY(), loc.getZ(), 0);
+ return path != null ? new PaperPathResult(path) : null;
+ }
+
+ @Nullable
+ @Override
+ public PathResult findPath(LivingEntity target) {
+ Validate.notNull(target, "Target can not be null");
+ Path path = entity.getNavigation().createPath(((CraftLivingEntity) target).getHandle(), 0);
+ return path != null ? new PaperPathResult(path) : null;
+ }
+
+ @Override
+ public boolean moveTo(@Nonnull PathResult path, double speed) {
+ Validate.notNull(path, "PathResult can not be null");
+ Path pathEntity = ((PaperPathResult) path).path;
+ return entity.getNavigation().moveTo(pathEntity, speed);
+ }
+
+ @Override
+ public boolean canOpenDoors() {
+ return entity.getNavigation().pathFinder.nodeEvaluator.canOpenDoors();
+ }
+
+ @Override
+ public void setCanOpenDoors(boolean canOpenDoors) {
+ entity.getNavigation().pathFinder.nodeEvaluator.setCanOpenDoors(canOpenDoors);
+ }
+
+ @Override
+ public boolean canPassDoors() {
+ return entity.getNavigation().pathFinder.nodeEvaluator.canPassDoors();
+ }
+
+ @Override
+ public void setCanPassDoors(boolean canPassDoors) {
+ entity.getNavigation().pathFinder.nodeEvaluator.setCanPassDoors(canPassDoors);
+ }
+
+ @Override
+ public boolean canFloat() {
+ return entity.getNavigation().pathFinder.nodeEvaluator.canFloat();
+ }
+
+ @Override
+ public void setCanFloat(boolean canFloat) {
+ entity.getNavigation().pathFinder.nodeEvaluator.setCanFloat(canFloat);
+ }
+
+ public class PaperPathResult implements com.destroystokyo.paper.entity.PaperPathfinder.PathResult {
+
+ private final Path path;
+ PaperPathResult(Path path) {
+ this.path = path;
+ }
+
+ @Nullable
+ @Override
+ public Location getFinalPoint() {
+ Node point = path.getEndNode();
+ return point != null ? toLoc(point) : null;
+ }
+
+ @Override
+ public List<Location> getPoints() {
+ List<Location> points = new ArrayList<>();
+ for (Node point : path.nodes) {
+ points.add(toLoc(point));
+ }
+ return points;
+ }
+
+ @Override
+ public int getNextPointIndex() {
+ return path.getNextNodeIndex();
+ }
+
+ @Nullable
+ @Override
+ public Location getNextPoint() {
+ if (!path.hasNext()) {
+ return null;
+ }
+ return toLoc(path.nodes.get(path.getNextNodeIndex()));
+ }
+ }
+
+ private Location toLoc(Node point) {
+ return new Location(entity.level().getWorld(), point.x, point.y, point.z);
+ }
+}
diff --git a/src/main/java/net/minecraft/world/level/pathfinder/Path.java b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
index 539dc45c3c7ffc60cf3fb47ae4df65e604e8627b..eea4c932d909145e7af848cf76e3f49dbb2deff2 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/Path.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
@@ -18,6 +18,7 @@ public class Path {
private final BlockPos target;
private final float distToTarget;
private final boolean reached;
+ public boolean hasNext() { return getNextNodeIndex() < this.nodes.size(); } // Paper
public Path(List<Node> nodes, BlockPos target, boolean reachesTarget) {
this.nodes = nodes;
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
index a75623fd1b2d36530c55c7a380e68b8dc7e58021..c2acbf533b5f3aebe4837512f694fe25abee65d6 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
@@ -15,8 +15,11 @@ import org.bukkit.loot.LootTable;
public abstract class CraftMob extends CraftLivingEntity implements Mob {
public CraftMob(CraftServer server, net.minecraft.world.entity.Mob entity) {
super(server, entity);
+ paperPathfinder = new com.destroystokyo.paper.entity.PaperPathfinder(entity); // Paper
}
+ private final com.destroystokyo.paper.entity.PaperPathfinder paperPathfinder; // Paper
+ @Override public com.destroystokyo.paper.entity.Pathfinder getPathfinder() { return paperPathfinder; } // Paper
@Override
public void setTarget(LivingEntity target) {
Preconditions.checkState(!this.getHandle().generation, "Cannot set target during world generation");
@@ -57,6 +60,14 @@ public abstract class CraftMob extends CraftLivingEntity implements Mob {
return (net.minecraft.world.entity.Mob) this.entity;
}
+ // Paper start
+ @Override
+ public void setHandle(net.minecraft.world.entity.Entity entity) {
+ super.setHandle(entity);
+ paperPathfinder.setHandle(getHandle());
+ }
+ // Paper end
+
@Override
public String toString() {
return "CraftMob";