PaperMC/patches/server/0257-Mob-Pathfinding-API.patch
Nassim Jahnke 928bcc8d3a
Updated Upstream (Bukkit/CraftBukkit) (#8430)
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:
09943450 Update SnakeYAML version
5515734f SPIGOT-7162: Incorrect description for Entity#getVehicle javadoc
6f82b381 PR-788: Add getHand() to all relevant events

CraftBukkit Changes:
aaf484f6f SPIGOT-7163: CraftMerchantRecipe doesn't copy demand and specialPrice from BukkitMerchantRecipe
5329dd6fd PR-1107: Add getHand() to all relevant events
93061706e SPIGOT-7045: Ocelots never spawn with babies with spawn reason OCELOT_BABY
2022-10-02 09:56:36 +02:00

199 lines
7 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
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..2d799fec40afe7dade649a294761d272c83157f0
--- /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;
+ }
+
+ @Nullable
+ @Override
+ public PathResult getCurrentPath() {
+ Path path = entity.getNavigation().getPath();
+ return path != null ? 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 4ad2ac8d1e9111933fa58c47442fa1f5e8173fd3..2a335f277bd0e4b8ad0f60d8226eb8aaa80a871f 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/Path.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/Path.java
@@ -21,6 +21,7 @@ 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 659ccb6532506b2a8c9feb55dc5aee962f6da795..f36713771598ac5afdae5d94db10a5790949611d 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) 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";