Paper/Spigot-Server-Patches/0361-Mob-Pathfinding-API.patch
Aikar b62dfa0bf9
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears 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:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

250 lines
9.2 KiB
Diff

From 6fc1ce9f3d6da7e3e418bfa524740713dd757ac0 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 0000000000..ed3d86ddd3
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/entity/PaperPathfinder.java
@@ -0,0 +1,113 @@
+package com.destroystokyo.paper.entity;
+
+import net.minecraft.server.EntityInsentient;
+import net.minecraft.server.PathEntity;
+import net.minecraft.server.PathPoint;
+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 java.util.ArrayList;
+import java.util.List;
+
+public class PaperPathfinder implements com.destroystokyo.paper.entity.Pathfinder {
+
+ private final EntityInsentient entity;
+
+ public PaperPathfinder(EntityInsentient entity) {
+ this.entity = entity;
+ }
+
+ @Override
+ public Mob getEntity() {
+ return entity.getBukkitMob();
+ }
+
+ @Override
+ public void stopPathfinding() {
+ entity.getNavigation().stopPathfinding();
+ }
+
+ @Override
+ public boolean hasPath() {
+ return entity.getNavigation().getPathEntity() != null;
+ }
+
+ @Nullable
+ @Override
+ public PathResult getCurrentPath() {
+ PathEntity path = entity.getNavigation().getPathEntity();
+ return path != null ? new PaperPathResult(path) : null;
+ }
+
+ @Nullable
+ @Override
+ public PathResult findPath(Location loc) {
+ Validate.notNull(loc, "Location can not be null");
+ PathEntity path = entity.getNavigation().calculateDestination(loc.getX(), loc.getY(), loc.getZ());
+ return path != null ? new PaperPathResult(path) : null;
+ }
+
+ @Nullable
+ @Override
+ public PathResult findPath(LivingEntity target) {
+ Validate.notNull(target, "Target can not be null");
+ PathEntity path = entity.getNavigation().calculateDestination(((CraftLivingEntity) target).getHandle());
+ return path != null ? new PaperPathResult(path) : null;
+ }
+
+ @Override
+ public boolean moveTo(@Nonnull PathResult path, double speed) {
+ Validate.notNull(path, "PathResult can not be null");
+ PathEntity pathEntity = ((PaperPathResult) path).path;
+ return entity.getNavigation().setDestination(pathEntity, speed);
+ }
+
+ public class PaperPathResult implements com.destroystokyo.paper.entity.PaperPathfinder.PathResult {
+
+ private final PathEntity path;
+ PaperPathResult(PathEntity path) {
+ this.path = path;
+ }
+
+ @Nullable
+ @Override
+ public Location getFinalPoint() {
+ PathPoint point = path.getFinalPoint();
+ return point != null ? toLoc(point) : null;
+ }
+
+ @Override
+ public List<Location> getPoints() {
+ int pathCount = path.getPathCount();
+ List<Location> points = new ArrayList<>();
+ PathPoint[] pathPoints = path.getPoints();
+ for (int i = 0; i < pathCount; i++) {
+ points.add(toLoc(pathPoints[i]));
+ }
+ return points;
+ }
+
+ @Override
+ public int getNextPointIndex() {
+ return path.getNextIndex();
+ }
+
+ @Nullable
+ @Override
+ public Location getNextPoint() {
+ if (!path.hasNext()) {
+ return null;
+ }
+ return toLoc(path.getPoints()[path.getNextIndex()]);
+ }
+ }
+
+ private Location toLoc(PathPoint point) {
+ return new Location(entity.world.getWorld(), point.getX(), point.getY(), point.getZ());
+ }
+}
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index 452da80f11..4023253f42 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -63,7 +63,7 @@ public abstract class NavigationAbstract {
}
@Nullable
- public final PathEntity a(double d0, double d1, double d2) {
+ 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
return this.b(new BlockPosition(d0, d1, d2));
}
@@ -89,7 +89,7 @@ public abstract class NavigationAbstract {
}
@Nullable
- public PathEntity a(Entity entity) {
+ public PathEntity calculateDestination(Entity entity) { return a(entity); } @Nullable public PathEntity a(Entity entity) { // Paper - OBFHELPER
if (!this.b()) {
return null;
} else {
@@ -138,6 +138,7 @@ public abstract class NavigationAbstract {
private int pathfindFailures = 0;
// Paper end
+ public boolean setDestination(@Nullable PathEntity pathentity, double speed) { return a(pathentity, speed); } // Paper - OBFHELPER
public boolean a(@Nullable PathEntity pathentity, double d0) {
if (pathentity == null) {
this.c = null;
@@ -159,8 +160,7 @@ public abstract class NavigationAbstract {
}
}
}
-
- @Nullable
+ @Nullable public PathEntity getPathEntity() { return m(); } @Nullable // Paper - OBFHELPER
public PathEntity m() {
return this.c;
}
@@ -261,6 +261,7 @@ public abstract class NavigationAbstract {
return this.c == null || this.c.b();
}
+ public void stopPathfinding() { q(); } // Paper - OBFHELPER
public void q() {
this.pathfindFailures = 0; this.lastFailure = 0; // Paper - Pathfinding optimizations
this.c = null;
diff --git a/src/main/java/net/minecraft/server/PathEntity.java b/src/main/java/net/minecraft/server/PathEntity.java
index 5ffcda6d56..dae08cbbf8 100644
--- a/src/main/java/net/minecraft/server/PathEntity.java
+++ b/src/main/java/net/minecraft/server/PathEntity.java
@@ -3,12 +3,13 @@ package net.minecraft.server;
import javax.annotation.Nullable;
public class PathEntity {
- private final PathPoint[] a;
+ private final PathPoint[] a; public PathPoint[] getPoints() { return a; } // Paper - OBFHELPER
private PathPoint[] b = new PathPoint[0];
private PathPoint[] c = new PathPoint[0];
private PathPoint d;
- private int e;
- private int f;
+ private int e; public int getNextIndex() { return e; } // Paper - OBFHELPER
+ private int f; public int getPathCount() { return f; } // Paper - OBFHELPER
+ public boolean hasNext() { return getNextIndex() < getPathCount(); } // Paper
public PathEntity(PathPoint[] apathpoint) {
this.a = apathpoint;
@@ -24,7 +25,7 @@ public class PathEntity {
}
@Nullable
- public PathPoint c() {
+ public PathPoint getFinalPoint() { return c(); } @Nullable public PathPoint c() { // Paper - OBFHELPER
return this.f > 0 ? this.a[this.f - 1] : null;
}
@@ -63,7 +64,7 @@ public class PathEntity {
return this.a(entity, this.e);
}
- public Vec3D f() {
+ public Vec3D getNext() { return f(); } public Vec3D f() { // Paper - OBFHELPER
PathPoint pathpoint = this.a[this.e];
return new Vec3D((double)pathpoint.a, (double)pathpoint.b, (double)pathpoint.c);
}
diff --git a/src/main/java/net/minecraft/server/PathPoint.java b/src/main/java/net/minecraft/server/PathPoint.java
index 497f472233..7fd1eff0b5 100644
--- a/src/main/java/net/minecraft/server/PathPoint.java
+++ b/src/main/java/net/minecraft/server/PathPoint.java
@@ -1,9 +1,9 @@
package net.minecraft.server;
public class PathPoint {
- public final int a;
- public final int b;
- public final int c;
+ public final int a; public final int getX() { return a; } // Paper - OBFHELPER
+ public final int b; public final int getY() { return b; } // Paper - OBFHELPER
+ public final int c; public final int getZ() { return c; } // Paper - OBFHELPER
private final int n;
public int d = -1;
public float e;
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
index 5bf1cd06fa..53c2d154ed 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMob.java
@@ -12,8 +12,11 @@ import org.bukkit.loot.LootTable;
public abstract class CraftMob extends CraftLivingEntity implements Mob {
public CraftMob(CraftServer server, EntityInsentient 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) {
EntityInsentient entity = getHandle();
--
2.19.0