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99 changes: 99 additions & 0 deletions
99
...ok-bukkit/src/main/java/org/enginehub/craftbook/mechanics/betterai/AttackPassiveGoal.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * CraftBook Copyright (C) me4502 <https://matthewmiller.dev/> | ||
| * CraftBook Copyright (C) EngineHub and Contributors <https://enginehub.org/> | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public | ||
| * License as published by the Free | ||
| * Software Foundation, either version 3 of the License, or (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied | ||
| * warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License along with this program. If not, | ||
| * see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package org.enginehub.craftbook.mechanics.betterai; | ||
|
|
||
| import com.destroystokyo.paper.entity.ai.Goal; | ||
| import com.destroystokyo.paper.entity.ai.GoalKey; | ||
| import com.destroystokyo.paper.entity.ai.GoalType; | ||
| import org.bukkit.NamespacedKey; | ||
| import org.bukkit.entity.Animals; | ||
| import org.bukkit.entity.Entity; | ||
| import org.bukkit.entity.LivingEntity; | ||
| import org.bukkit.entity.Monster; | ||
| import org.enginehub.craftbook.bukkit.CraftBookPlugin; | ||
| import org.jetbrains.annotations.NotNull; | ||
|
|
||
| import java.util.EnumSet; | ||
|
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| class AttackPassiveGoal implements Goal<Monster> { | ||
| private static final GoalKey<Monster> key = GoalKey.of( | ||
| Monster.class, | ||
| new NamespacedKey("craftbook", "attack_passive") | ||
| ); | ||
|
|
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| private final Monster monster; | ||
| private LivingEntity target; | ||
|
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| public AttackPassiveGoal(Monster monster) { | ||
| this.monster = monster; | ||
| } | ||
|
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| @Override | ||
| public boolean shouldActivate() { | ||
| return !monster.isDead(); | ||
| } | ||
|
|
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| @Override | ||
| public void start() { | ||
| tick(); | ||
| } | ||
|
|
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| @Override | ||
| public void stop() { | ||
| this.target = null; | ||
| monster.setTarget(null); | ||
| } | ||
|
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| @Override | ||
| public void tick() { | ||
| if (target != null && !target.isDead()) { | ||
| if (target.getWorld().equals(monster.getWorld()) | ||
| && target.getLocation().distanceSquared(monster.getLocation()) < 15*15) { | ||
| return; | ||
| } | ||
| } | ||
|
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| Animals closest = null; | ||
| double closestDist = Double.MAX_VALUE; | ||
|
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| for (Entity ent : monster.getNearbyEntities(10D, 10D, 10D)) { | ||
| if (ent instanceof Animals && monster.hasLineOfSight(ent)) { | ||
| double dist = ent.getLocation().distanceSquared(monster.getLocation()); | ||
| if (dist < closestDist) { | ||
| closest = (Animals) ent; | ||
| closestDist = dist; | ||
| } | ||
| } | ||
| } | ||
|
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| if (closest != null) { | ||
| target = closest; | ||
| monster.setTarget(this.target); | ||
| CraftBookPlugin.logDebugMessage("Setting target to entity: " + closest.getType().name(), "ai-mechanics.entity-target.attack-passive"); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public @NotNull GoalKey<Monster> getKey() { | ||
| return key; | ||
| } | ||
|
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| @Override | ||
| public @NotNull EnumSet<GoalType> getTypes() { | ||
| return EnumSet.of(GoalType.TARGET); | ||
| } | ||
| } |
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