Implement Mob Goal API

This commit is contained in:
MiniDigger | Martin 2020-01-03 16:26:19 +01:00
parent f5cfd89975
commit 82290d3060
7 changed files with 765 additions and 0 deletions

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@ -55,6 +55,7 @@ dependencies {
runtimeOnly("org.apache.maven.resolver:maven-resolver-connector-basic:1.9.18")
runtimeOnly("org.apache.maven.resolver:maven-resolver-transport-http:1.9.18")
testImplementation("io.github.classgraph:classgraph:4.8.47") // Paper - mob goal test
testImplementation("org.junit.jupiter:junit-jupiter:5.10.2")
testImplementation("org.junit.platform:junit-platform-suite-engine:1.10.0")
testImplementation("org.hamcrest:hamcrest:2.2")

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@ -0,0 +1,39 @@
--- a/net/minecraft/world/entity/ai/goal/Goal.java
+++ b/net/minecraft/world/entity/ai/goal/Goal.java
@@ -46,6 +46,16 @@
return this.flags;
}
+ // Paper start - Mob Goal API
+ public boolean hasFlag(final Goal.Flag flag) {
+ return this.flags.contains(flag);
+ }
+
+ public void addFlag(final Goal.Flag flag) {
+ this.flags.add(flag);
+ }
+ // Paper end - Mob Goal API
+
protected int adjustedTickDelay(int ticks) {
return this.requiresUpdateEveryTick() ? ticks : reducedTickDelay(ticks);
}
@@ -62,7 +72,19 @@
return (ServerLevel)world;
}
+ // Paper start - Mob goal api
+ private com.destroystokyo.paper.entity.ai.PaperVanillaGoal<?> vanillaGoal;
+ public <T extends org.bukkit.entity.Mob> com.destroystokyo.paper.entity.ai.Goal<T> asPaperVanillaGoal() {
+ if(this.vanillaGoal == null) {
+ this.vanillaGoal = new com.destroystokyo.paper.entity.ai.PaperVanillaGoal<>(this);
+ }
+ //noinspection unchecked
+ return (com.destroystokyo.paper.entity.ai.Goal<T>) this.vanillaGoal;
+ }
+ // Paper end - Mob goal api
+
public static enum Flag {
+ UNKNOWN_BEHAVIOR, // Paper - add UNKNOWN_BEHAVIOR
MOVE,
LOOK,
JUMP,

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@ -0,0 +1,379 @@
package com.destroystokyo.paper.entity.ai;
import com.destroystokyo.paper.entity.RangedEntity;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import io.papermc.paper.util.ObfHelper;
import java.lang.reflect.Constructor;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import net.minecraft.world.entity.FlyingMob;
import net.minecraft.world.entity.PathfinderMob;
import net.minecraft.world.entity.TamableAnimal;
import net.minecraft.world.entity.ai.goal.Goal;
import net.minecraft.world.entity.ambient.AmbientCreature;
import net.minecraft.world.entity.animal.AbstractFish;
import net.minecraft.world.entity.animal.AbstractGolem;
import net.minecraft.world.entity.animal.AbstractSchoolingFish;
import net.minecraft.world.entity.animal.Animal;
import net.minecraft.world.entity.animal.Pufferfish;
import net.minecraft.world.entity.animal.ShoulderRidingEntity;
import net.minecraft.world.entity.animal.SnowGolem;
import net.minecraft.world.entity.animal.WaterAnimal;
import net.minecraft.world.entity.animal.camel.Camel;
import net.minecraft.world.entity.animal.horse.AbstractChestedHorse;
import net.minecraft.world.entity.boss.wither.WitherBoss;
import net.minecraft.world.entity.monster.AbstractIllager;
import net.minecraft.world.entity.monster.EnderMan;
import net.minecraft.world.entity.monster.PatrollingMonster;
import net.minecraft.world.entity.monster.RangedAttackMob;
import net.minecraft.world.entity.monster.SpellcasterIllager;
import net.minecraft.world.entity.monster.ZombifiedPiglin;
import net.minecraft.world.entity.monster.breeze.Breeze;
import net.minecraft.world.entity.monster.piglin.AbstractPiglin;
import org.bukkit.NamespacedKey;
import org.bukkit.entity.AbstractHorse;
import org.bukkit.entity.AbstractSkeleton;
import org.bukkit.entity.AbstractVillager;
import org.bukkit.entity.Ageable;
import org.bukkit.entity.Ambient;
import org.bukkit.entity.Animals;
import org.bukkit.entity.Bat;
import org.bukkit.entity.Bee;
import org.bukkit.entity.Blaze;
import org.bukkit.entity.Cat;
import org.bukkit.entity.CaveSpider;
import org.bukkit.entity.ChestedHorse;
import org.bukkit.entity.Chicken;
import org.bukkit.entity.Cod;
import org.bukkit.entity.Cow;
import org.bukkit.entity.Creature;
import org.bukkit.entity.Creeper;
import org.bukkit.entity.Dolphin;
import org.bukkit.entity.Donkey;
import org.bukkit.entity.Drowned;
import org.bukkit.entity.ElderGuardian;
import org.bukkit.entity.EnderDragon;
import org.bukkit.entity.Enderman;
import org.bukkit.entity.Endermite;
import org.bukkit.entity.Evoker;
import org.bukkit.entity.Fish;
import org.bukkit.entity.Flying;
import org.bukkit.entity.Fox;
import org.bukkit.entity.Ghast;
import org.bukkit.entity.Giant;
import org.bukkit.entity.Golem;
import org.bukkit.entity.Guardian;
import org.bukkit.entity.Hoglin;
import org.bukkit.entity.Horse;
import org.bukkit.entity.Husk;
import org.bukkit.entity.Illager;
import org.bukkit.entity.Illusioner;
import org.bukkit.entity.IronGolem;
import org.bukkit.entity.Llama;
import org.bukkit.entity.MagmaCube;
import org.bukkit.entity.Mob;
import org.bukkit.entity.Monster;
import org.bukkit.entity.Mule;
import org.bukkit.entity.MushroomCow;
import org.bukkit.entity.Ocelot;
import org.bukkit.entity.Panda;
import org.bukkit.entity.Parrot;
import org.bukkit.entity.Phantom;
import org.bukkit.entity.Pig;
import org.bukkit.entity.PigZombie;
import org.bukkit.entity.Piglin;
import org.bukkit.entity.PiglinAbstract;
import org.bukkit.entity.PiglinBrute;
import org.bukkit.entity.Pillager;
import org.bukkit.entity.PolarBear;
import org.bukkit.entity.PufferFish;
import org.bukkit.entity.Rabbit;
import org.bukkit.entity.Raider;
import org.bukkit.entity.Ravager;
import org.bukkit.entity.Salmon;
import org.bukkit.entity.Sheep;
import org.bukkit.entity.Shulker;
import org.bukkit.entity.Silverfish;
import org.bukkit.entity.Skeleton;
import org.bukkit.entity.SkeletonHorse;
import org.bukkit.entity.Slime;
import org.bukkit.entity.Snowman;
import org.bukkit.entity.Spellcaster;
import org.bukkit.entity.Spider;
import org.bukkit.entity.Squid;
import org.bukkit.entity.Stray;
import org.bukkit.entity.Strider;
import org.bukkit.entity.Tameable;
import org.bukkit.entity.TraderLlama;
import org.bukkit.entity.TropicalFish;
import org.bukkit.entity.Turtle;
import org.bukkit.entity.Vex;
import org.bukkit.entity.Villager;
import org.bukkit.entity.Vindicator;
import org.bukkit.entity.WanderingTrader;
import org.bukkit.entity.WaterMob;
import org.bukkit.entity.Witch;
import org.bukkit.entity.Wither;
import org.bukkit.entity.WitherSkeleton;
import org.bukkit.entity.Wolf;
import org.bukkit.entity.Zoglin;
import org.bukkit.entity.Zombie;
import org.bukkit.entity.ZombieHorse;
import org.bukkit.entity.ZombieVillager;
public class MobGoalHelper {
private static final BiMap<String, String> deobfuscationMap = HashBiMap.create();
private static final Map<Class<? extends Goal>, Class<? extends Mob>> entityClassCache = new HashMap<>();
private static final Map<Class<? extends net.minecraft.world.entity.Mob>, Class<? extends Mob>> bukkitMap = new HashMap<>();
static final Set<String> ignored = new HashSet<>();
static {
// TODO these kinda should be checked on each release, in case obfuscation changes
deobfuscationMap.put("abstract_skeleton_1", "abstract_skeleton_melee");
ignored.add("goal_selector_1");
ignored.add("goal_selector_2");
ignored.add("selector_1");
ignored.add("selector_2");
ignored.add("wrapped");
bukkitMap.put(net.minecraft.world.entity.Mob.class, Mob.class);
bukkitMap.put(net.minecraft.world.entity.AgeableMob.class, Ageable.class);
bukkitMap.put(AmbientCreature.class, Ambient.class);
bukkitMap.put(Animal.class, Animals.class);
bukkitMap.put(net.minecraft.world.entity.ambient.Bat.class, Bat.class);
bukkitMap.put(net.minecraft.world.entity.animal.Bee.class, Bee.class);
bukkitMap.put(net.minecraft.world.entity.monster.Blaze.class, Blaze.class);
bukkitMap.put(net.minecraft.world.entity.animal.Cat.class, Cat.class);
bukkitMap.put(net.minecraft.world.entity.monster.CaveSpider.class, CaveSpider.class);
bukkitMap.put(net.minecraft.world.entity.animal.Chicken.class, Chicken.class);
bukkitMap.put(net.minecraft.world.entity.animal.Cod.class, Cod.class);
bukkitMap.put(net.minecraft.world.entity.animal.Cow.class, Cow.class);
bukkitMap.put(PathfinderMob.class, Creature.class);
bukkitMap.put(net.minecraft.world.entity.monster.Creeper.class, Creeper.class);
bukkitMap.put(net.minecraft.world.entity.animal.Dolphin.class, Dolphin.class);
bukkitMap.put(net.minecraft.world.entity.monster.Drowned.class, Drowned.class);
bukkitMap.put(net.minecraft.world.entity.boss.enderdragon.EnderDragon.class, EnderDragon.class);
bukkitMap.put(EnderMan.class, Enderman.class);
bukkitMap.put(net.minecraft.world.entity.monster.Endermite.class, Endermite.class);
bukkitMap.put(net.minecraft.world.entity.monster.Evoker.class, Evoker.class);
bukkitMap.put(AbstractFish.class, Fish.class);
bukkitMap.put(AbstractSchoolingFish.class, Fish.class); // close enough
bukkitMap.put(FlyingMob.class, Flying.class);
bukkitMap.put(net.minecraft.world.entity.animal.Fox.class, Fox.class);
bukkitMap.put(net.minecraft.world.entity.monster.Ghast.class, Ghast.class);
bukkitMap.put(net.minecraft.world.entity.monster.Giant.class, Giant.class);
bukkitMap.put(AbstractGolem.class, Golem.class);
bukkitMap.put(net.minecraft.world.entity.monster.Guardian.class, Guardian.class);
bukkitMap.put(net.minecraft.world.entity.monster.ElderGuardian.class, ElderGuardian.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.Horse.class, Horse.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.AbstractHorse.class, AbstractHorse.class);
bukkitMap.put(AbstractChestedHorse.class, ChestedHorse.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.Donkey.class, Donkey.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.Mule.class, Mule.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.SkeletonHorse.class, SkeletonHorse.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.ZombieHorse.class, ZombieHorse.class);
bukkitMap.put(Camel.class, org.bukkit.entity.Camel.class);
bukkitMap.put(AbstractIllager.class, Illager.class);
bukkitMap.put(net.minecraft.world.entity.monster.Illusioner.class, Illusioner.class);
bukkitMap.put(SpellcasterIllager.class, Spellcaster.class);
bukkitMap.put(net.minecraft.world.entity.animal.IronGolem.class, IronGolem.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.Llama.class, Llama.class);
bukkitMap.put(net.minecraft.world.entity.animal.horse.TraderLlama.class, TraderLlama.class);
bukkitMap.put(net.minecraft.world.entity.monster.MagmaCube.class, MagmaCube.class);
bukkitMap.put(net.minecraft.world.entity.monster.Monster.class, Monster.class);
bukkitMap.put(PatrollingMonster.class, Raider.class); // close enough
bukkitMap.put(net.minecraft.world.entity.animal.MushroomCow.class, MushroomCow.class);
bukkitMap.put(net.minecraft.world.entity.animal.Ocelot.class, Ocelot.class);
bukkitMap.put(net.minecraft.world.entity.animal.Panda.class, Panda.class);
bukkitMap.put(net.minecraft.world.entity.animal.Parrot.class, Parrot.class);
bukkitMap.put(ShoulderRidingEntity.class, Parrot.class); // close enough
bukkitMap.put(net.minecraft.world.entity.monster.Phantom.class, Phantom.class);
bukkitMap.put(net.minecraft.world.entity.animal.Pig.class, Pig.class);
bukkitMap.put(ZombifiedPiglin.class, PigZombie.class);
bukkitMap.put(net.minecraft.world.entity.monster.Pillager.class, Pillager.class);
bukkitMap.put(net.minecraft.world.entity.animal.PolarBear.class, PolarBear.class);
bukkitMap.put(Pufferfish.class, PufferFish.class);
bukkitMap.put(net.minecraft.world.entity.animal.Rabbit.class, Rabbit.class);
bukkitMap.put(net.minecraft.world.entity.raid.Raider.class, Raider.class);
bukkitMap.put(net.minecraft.world.entity.monster.Ravager.class, Ravager.class);
bukkitMap.put(net.minecraft.world.entity.animal.Salmon.class, Salmon.class);
bukkitMap.put(net.minecraft.world.entity.animal.Sheep.class, Sheep.class);
bukkitMap.put(net.minecraft.world.entity.monster.Shulker.class, Shulker.class);
bukkitMap.put(net.minecraft.world.entity.monster.Silverfish.class, Silverfish.class);
bukkitMap.put(net.minecraft.world.entity.monster.Skeleton.class, Skeleton.class);
bukkitMap.put(net.minecraft.world.entity.monster.AbstractSkeleton.class, AbstractSkeleton.class);
bukkitMap.put(net.minecraft.world.entity.monster.Stray.class, Stray.class);
bukkitMap.put(net.minecraft.world.entity.monster.WitherSkeleton.class, WitherSkeleton.class);
bukkitMap.put(net.minecraft.world.entity.monster.Slime.class, Slime.class);
bukkitMap.put(SnowGolem.class, Snowman.class);
bukkitMap.put(net.minecraft.world.entity.monster.Spider.class, Spider.class);
bukkitMap.put(net.minecraft.world.entity.animal.Squid.class, Squid.class);
bukkitMap.put(TamableAnimal.class, Tameable.class);
bukkitMap.put(net.minecraft.world.entity.animal.TropicalFish.class, TropicalFish.class);
bukkitMap.put(net.minecraft.world.entity.animal.Turtle.class, Turtle.class);
bukkitMap.put(net.minecraft.world.entity.monster.Vex.class, Vex.class);
bukkitMap.put(net.minecraft.world.entity.npc.Villager.class, Villager.class);
bukkitMap.put(net.minecraft.world.entity.npc.AbstractVillager.class, AbstractVillager.class);
bukkitMap.put(net.minecraft.world.entity.npc.WanderingTrader.class, WanderingTrader.class);
bukkitMap.put(net.minecraft.world.entity.monster.Vindicator.class, Vindicator.class);
bukkitMap.put(WaterAnimal.class, WaterMob.class);
bukkitMap.put(net.minecraft.world.entity.monster.Witch.class, Witch.class);
bukkitMap.put(WitherBoss.class, Wither.class);
bukkitMap.put(net.minecraft.world.entity.animal.Wolf.class, Wolf.class);
bukkitMap.put(net.minecraft.world.entity.monster.Zombie.class, Zombie.class);
bukkitMap.put(net.minecraft.world.entity.monster.Husk.class, Husk.class);
bukkitMap.put(net.minecraft.world.entity.monster.ZombieVillager.class, ZombieVillager.class);
bukkitMap.put(net.minecraft.world.entity.monster.hoglin.Hoglin.class, Hoglin.class);
bukkitMap.put(net.minecraft.world.entity.monster.piglin.Piglin.class, Piglin.class);
bukkitMap.put(AbstractPiglin.class, PiglinAbstract.class);
bukkitMap.put(net.minecraft.world.entity.monster.piglin.PiglinBrute.class, PiglinBrute.class);
bukkitMap.put(net.minecraft.world.entity.monster.Strider.class, Strider.class);
bukkitMap.put(net.minecraft.world.entity.monster.Zoglin.class, Zoglin.class);
bukkitMap.put(net.minecraft.world.entity.GlowSquid.class, org.bukkit.entity.GlowSquid.class);
bukkitMap.put(net.minecraft.world.entity.animal.axolotl.Axolotl.class, org.bukkit.entity.Axolotl.class);
bukkitMap.put(net.minecraft.world.entity.animal.goat.Goat.class, org.bukkit.entity.Goat.class);
bukkitMap.put(net.minecraft.world.entity.animal.frog.Frog.class, org.bukkit.entity.Frog.class);
bukkitMap.put(net.minecraft.world.entity.animal.frog.Tadpole.class, org.bukkit.entity.Tadpole.class);
bukkitMap.put(net.minecraft.world.entity.monster.warden.Warden.class, org.bukkit.entity.Warden.class);
bukkitMap.put(net.minecraft.world.entity.animal.allay.Allay.class, org.bukkit.entity.Allay.class);
bukkitMap.put(net.minecraft.world.entity.animal.sniffer.Sniffer.class, org.bukkit.entity.Sniffer.class);
bukkitMap.put(Breeze.class, org.bukkit.entity.Breeze.class);
bukkitMap.put(net.minecraft.world.entity.animal.armadillo.Armadillo.class, org.bukkit.entity.Armadillo.class);
bukkitMap.put(net.minecraft.world.entity.monster.Bogged.class, org.bukkit.entity.Bogged.class);
bukkitMap.put(net.minecraft.world.entity.monster.creaking.Creaking.class, org.bukkit.entity.Creaking.class);
bukkitMap.put(net.minecraft.world.entity.animal.AgeableWaterCreature.class, org.bukkit.entity.Squid.class); // close enough
}
public static String getUsableName(Class<?> clazz) {
String name = io.papermc.paper.util.MappingEnvironment.reobf() ? ObfHelper.INSTANCE.deobfClassName(clazz.getName()) : clazz.getName();
name = name.substring(name.lastIndexOf(".") + 1);
boolean flag = false;
// inner classes
if (name.contains("$")) {
String cut = name.substring(name.indexOf("$") + 1);
if (cut.length() <= 2) {
name = name.replace("Entity", "");
name = name.replace("$", "_");
flag = true;
} else {
// mapped, wooo
name = cut;
}
}
name = name.replace("PathfinderGoal", "");
name = name.replace("TargetGoal", "");
name = name.replace("Goal", "");
StringBuilder sb = new StringBuilder();
for (char c : name.toCharArray()) {
if (c >= 'A' && c <= 'Z') {
sb.append("_");
sb.append(Character.toLowerCase(c));
} else {
sb.append(c);
}
}
name = sb.toString();
name = name.replaceFirst("_", "");
if (flag && !deobfuscationMap.containsKey(name.toLowerCase(java.util.Locale.ROOT)) && !ignored.contains(name)) {
System.out.println("need to map " + clazz.getName() + " (" + name.toLowerCase(java.util.Locale.ROOT) + ")");
}
// did we rename this key?
return deobfuscationMap.getOrDefault(name, name);
}
public static EnumSet<GoalType> vanillaToPaper(Goal goal) {
EnumSet<GoalType> goals = EnumSet.noneOf(GoalType.class);
for (GoalType type : GoalType.values()) {
if (goal.hasFlag(paperToVanilla(type))) {
goals.add(type);
}
}
return goals;
}
public static GoalType vanillaToPaper(Goal.Flag type) {
switch (type) {
case MOVE:
return GoalType.MOVE;
case LOOK:
return GoalType.LOOK;
case JUMP:
return GoalType.JUMP;
case UNKNOWN_BEHAVIOR:
return GoalType.UNKNOWN_BEHAVIOR;
case TARGET:
return GoalType.TARGET;
default:
throw new IllegalArgumentException("Unknown vanilla mob goal type " + type.name());
}
}
public static EnumSet<Goal.Flag> paperToVanilla(EnumSet<GoalType> types) {
EnumSet<Goal.Flag> goals = EnumSet.noneOf(Goal.Flag.class);
for (GoalType type : types) {
goals.add(paperToVanilla(type));
}
return goals;
}
public static Goal.Flag paperToVanilla(GoalType type) {
switch (type) {
case MOVE:
return Goal.Flag.MOVE;
case LOOK:
return Goal.Flag.LOOK;
case JUMP:
return Goal.Flag.JUMP;
case UNKNOWN_BEHAVIOR:
return Goal.Flag.UNKNOWN_BEHAVIOR;
case TARGET:
return Goal.Flag.TARGET;
default:
throw new IllegalArgumentException("Unknown paper mob goal type " + type.name());
}
}
public static <T extends Mob> GoalKey<T> getKey(Class<? extends Goal> goalClass) {
String name = getUsableName(goalClass);
if (ignored.contains(name)) {
//noinspection unchecked
return (GoalKey<T>) GoalKey.of(Mob.class, NamespacedKey.minecraft(name));
}
return GoalKey.of(getEntity(goalClass), NamespacedKey.minecraft(name));
}
public static <T extends Mob> Class<T> getEntity(Class<? extends Goal> goalClass) {
//noinspection unchecked
return (Class<T>) entityClassCache.computeIfAbsent(goalClass, key -> {
for (Constructor<?> ctor : key.getDeclaredConstructors()) {
for (int i = 0; i < ctor.getParameterCount(); i++) {
Class<?> param = ctor.getParameterTypes()[i];
if (net.minecraft.world.entity.Mob.class.isAssignableFrom(param)) {
//noinspection unchecked
return toBukkitClass((Class<? extends net.minecraft.world.entity.Mob>) param);
} else if (RangedAttackMob.class.isAssignableFrom(param)) {
return RangedEntity.class;
}
}
}
throw new RuntimeException("Can't figure out applicable entity for mob goal " + goalClass); // maybe just return EntityInsentient?
});
}
public static Class<? extends Mob> toBukkitClass(Class<? extends net.minecraft.world.entity.Mob> nmsClass) {
Class<? extends Mob> bukkitClass = bukkitMap.get(nmsClass);
if (bukkitClass == null) {
throw new RuntimeException("Can't figure out applicable bukkit entity for nms entity " + nmsClass); // maybe just return Mob?
}
return bukkitClass;
}
}

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@ -0,0 +1,53 @@
package com.destroystokyo.paper.entity.ai;
import org.bukkit.entity.Mob;
/**
* Wraps api in vanilla
*/
public class PaperCustomGoal<T extends Mob> extends net.minecraft.world.entity.ai.goal.Goal {
private final Goal<T> handle;
public PaperCustomGoal(Goal<T> handle) {
this.handle = handle;
this.setFlags(MobGoalHelper.paperToVanilla(handle.getTypes()));
if (this.getFlags().size() == 0) {
this.addFlag(Flag.UNKNOWN_BEHAVIOR);
}
}
@Override
public boolean canUse() {
return handle.shouldActivate();
}
@Override
public boolean canContinueToUse() {
return handle.shouldStayActive();
}
@Override
public void start() {
handle.start();
}
@Override
public void stop() {
handle.stop();
}
@Override
public void tick() {
handle.tick();
}
public Goal<T> getHandle() {
return handle;
}
public GoalKey<T> getKey() {
return handle.getKey();
}
}

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@ -0,0 +1,226 @@
package com.destroystokyo.paper.entity.ai;
import java.util.Collection;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import net.minecraft.world.entity.ai.goal.GoalSelector;
import net.minecraft.world.entity.ai.goal.WrappedGoal;
import org.bukkit.craftbukkit.entity.CraftMob;
import org.bukkit.entity.Mob;
import org.jspecify.annotations.NullMarked;
@NullMarked
public class PaperMobGoals implements MobGoals {
@Override
public <T extends Mob> void addGoal(T mob, int priority, Goal<T> goal) {
CraftMob craftMob = (CraftMob) mob;
net.minecraft.world.entity.ai.goal.Goal mojangGoal;
if (goal instanceof PaperVanillaGoal vanillaGoal) {
mojangGoal = vanillaGoal.getHandle();
} else {
mojangGoal = new PaperCustomGoal<>(goal);
}
getHandle(craftMob, goal.getTypes()).addGoal(priority, mojangGoal);
}
@Override
public <T extends Mob> void removeGoal(T mob, Goal<T> goal) {
CraftMob craftMob = (CraftMob) mob;
if (goal instanceof PaperCustomGoal) {
getHandle(craftMob, goal.getTypes()).removeGoal((net.minecraft.world.entity.ai.goal.Goal) goal);
} else if (goal instanceof PaperVanillaGoal) {
getHandle(craftMob, goal.getTypes()).removeGoal(((PaperVanillaGoal<?>) goal).getHandle());
} else {
List<net.minecraft.world.entity.ai.goal.Goal> toRemove = new LinkedList<>();
for (WrappedGoal item : getHandle(craftMob, goal.getTypes()).getAvailableGoals()) {
if (item.getGoal() instanceof PaperCustomGoal) {
//noinspection unchecked
if (((PaperCustomGoal<T>) item.getGoal()).getHandle() == goal) {
toRemove.add(item.getGoal());
}
}
}
for (net.minecraft.world.entity.ai.goal.Goal g : toRemove) {
getHandle(craftMob, goal.getTypes()).removeGoal(g);
}
}
}
@Override
public <T extends Mob> void removeAllGoals(T mob) {
for (GoalType type : GoalType.values()) {
removeAllGoals(mob, type);
}
}
@Override
public <T extends Mob> void removeAllGoals(T mob, GoalType type) {
for (Goal<T> goal : getAllGoals(mob, type)) {
removeGoal(mob, goal);
}
}
@Override
public <T extends Mob> void removeGoal(T mob, GoalKey<T> key) {
for (Goal<T> goal : getGoals(mob, key)) {
removeGoal(mob, goal);
}
}
@Override
public <T extends Mob> boolean hasGoal(T mob, GoalKey<T> key) {
for (Goal<T> g : getAllGoals(mob)) {
if (g.getKey().equals(key)) {
return true;
}
}
return false;
}
@Override
public <T extends Mob> Goal<T> getGoal(T mob, GoalKey<T> key) {
for (Goal<T> g : getAllGoals(mob)) {
if (g.getKey().equals(key)) {
return g;
}
}
return null;
}
@Override
public <T extends Mob> Collection<Goal<T>> getGoals(T mob, GoalKey<T> key) {
Set<Goal<T>> goals = new HashSet<>();
for (Goal<T> g : getAllGoals(mob)) {
if (g.getKey().equals(key)) {
goals.add(g);
}
}
return goals;
}
@Override
public <T extends Mob> Collection<Goal<T>> getAllGoals(T mob) {
Set<Goal<T>> goals = new HashSet<>();
for (GoalType type : GoalType.values()) {
goals.addAll(getAllGoals(mob, type));
}
return goals;
}
@Override
public <T extends Mob> Collection<Goal<T>> getAllGoals(T mob, GoalType type) {
CraftMob craftMob = (CraftMob) mob;
Set<Goal<T>> goals = new HashSet<>();
for (WrappedGoal item : getHandle(craftMob, type).getAvailableGoals()) {
if (!item.getGoal().hasFlag(MobGoalHelper.paperToVanilla(type))) {
continue;
}
if (item.getGoal() instanceof PaperCustomGoal) {
//noinspection unchecked
goals.add(((PaperCustomGoal<T>) item.getGoal()).getHandle());
} else {
goals.add(item.getGoal().asPaperVanillaGoal());
}
}
return goals;
}
@Override
public <T extends Mob> Collection<Goal<T>> getAllGoalsWithout(T mob, GoalType type) {
CraftMob craftMob = (CraftMob) mob;
Set<Goal<T>> goals = new HashSet<>();
for (GoalType internalType : GoalType.values()) {
if (internalType == type) {
continue;
}
for (WrappedGoal item : getHandle(craftMob, internalType).getAvailableGoals()) {
if (item.getGoal().hasFlag(MobGoalHelper.paperToVanilla(type))) {
continue;
}
if (item.getGoal() instanceof PaperCustomGoal) {
//noinspection unchecked
goals.add(((PaperCustomGoal<T>) item.getGoal()).getHandle());
} else {
goals.add(item.getGoal().asPaperVanillaGoal());
}
}
}
return goals;
}
@Override
public <T extends Mob> Collection<Goal<T>> getRunningGoals(T mob) {
Set<Goal<T>> goals = new HashSet<>();
for (GoalType type : GoalType.values()) {
goals.addAll(getRunningGoals(mob, type));
}
return goals;
}
@Override
public <T extends Mob> Collection<Goal<T>> getRunningGoals(T mob, GoalType type) {
CraftMob craftMob = (CraftMob) mob;
Set<Goal<T>> goals = new HashSet<>();
getHandle(craftMob, type).getAvailableGoals()
.stream().filter(WrappedGoal::isRunning)
.filter(item -> item.getGoal().hasFlag(MobGoalHelper.paperToVanilla(type)))
.forEach(item -> {
if (item.getGoal() instanceof PaperCustomGoal) {
//noinspection unchecked
goals.add(((PaperCustomGoal<T>) item.getGoal()).getHandle());
} else {
goals.add(item.getGoal().asPaperVanillaGoal());
}
});
return goals;
}
@Override
public <T extends Mob> Collection<Goal<T>> getRunningGoalsWithout(T mob, GoalType type) {
CraftMob craftMob = (CraftMob) mob;
Set<Goal<T>> goals = new HashSet<>();
for (GoalType internalType : GoalType.values()) {
if (internalType == type) {
continue;
}
getHandle(craftMob, internalType).getAvailableGoals()
.stream()
.filter(WrappedGoal::isRunning)
.filter(item -> !item.getGoal().hasFlag(MobGoalHelper.paperToVanilla(type)))
.forEach(item -> {
if (item.getGoal() instanceof PaperCustomGoal) {
//noinspection unchecked
goals.add(((PaperCustomGoal<T>) item.getGoal()).getHandle());
} else {
goals.add(item.getGoal().asPaperVanillaGoal());
}
});
}
return goals;
}
private GoalSelector getHandle(CraftMob mob, EnumSet<GoalType> types) {
if (types.contains(GoalType.TARGET)) {
return mob.getHandle().targetSelector;
} else {
return mob.getHandle().goalSelector;
}
}
private GoalSelector getHandle(CraftMob mob, GoalType type) {
if (type == GoalType.TARGET) {
return mob.getHandle().targetSelector;
} else {
return mob.getHandle().goalSelector;
}
}
}

View file

@ -0,0 +1,61 @@
package com.destroystokyo.paper.entity.ai;
import java.util.EnumSet;
import net.minecraft.world.entity.ai.goal.Goal;
import org.bukkit.entity.Mob;
/**
* Wraps vanilla in api
*/
public class PaperVanillaGoal<T extends Mob> implements VanillaGoal<T> {
private final Goal handle;
private final GoalKey<T> key;
private final EnumSet<GoalType> types;
public PaperVanillaGoal(Goal handle) {
this.handle = handle;
this.key = MobGoalHelper.getKey(handle.getClass());
this.types = MobGoalHelper.vanillaToPaper(handle);
}
public Goal getHandle() {
return handle;
}
@Override
public boolean shouldActivate() {
return handle.canUse();
}
@Override
public boolean shouldStayActive() {
return handle.canContinueToUse();
}
@Override
public void start() {
handle.start();
}
@Override
public void stop() {
handle.stop();
}
@Override
public void tick() {
handle.tick();
}
@Override
public GoalKey<T> getKey() {
return key;
}
@Override
public EnumSet<GoalType> getTypes() {
return types;
}
}

View file

@ -2966,5 +2966,11 @@ public final class CraftServer implements Server {
public boolean isStopping() {
return net.minecraft.server.MinecraftServer.getServer().hasStopped();
}
private com.destroystokyo.paper.entity.ai.MobGoals mobGoals = new com.destroystokyo.paper.entity.ai.PaperMobGoals();
@Override
public com.destroystokyo.paper.entity.ai.MobGoals getMobGoals() {
return mobGoals;
}
// Paper end
}