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Add support for archer AI

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Bartłomiej Przemysław Pluta
2022-08-18 22:39:58 +02:00
parent 0bfe53cd8e
commit 1e4a9a02c9
2 changed files with 66 additions and 1 deletions
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53
src/main/java/com/bartlomiejpluta/demo/ai/ArcherAI.java Normal file
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@@ -0,0 +1,53 @@
package com.bartlomiejpluta.demo.ai;
import com.bartlomiejpluta.base.api.ai.AI;
import com.bartlomiejpluta.base.api.ai.NPC;
import com.bartlomiejpluta.base.api.entity.Entity;
import com.bartlomiejpluta.base.api.map.layer.object.ObjectLayer;
import com.bartlomiejpluta.base.api.move.MoveEvent;
import com.bartlomiejpluta.base.lib.ai.KeepStraightDistanceAI;
import com.bartlomiejpluta.base.lib.ai.RandomMovementAI;
import com.bartlomiejpluta.base.util.path.MovementPath;
import com.bartlomiejpluta.base.util.path.PathExecutor;
import com.bartlomiejpluta.base.util.pathfinder.AstarPathFinder;
import com.bartlomiejpluta.base.util.pathfinder.PathFinder;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import org.joml.Vector2i;
import org.joml.Vector2ic;
import com.bartlomiejpluta.demo.entity.Enemy;
import com.bartlomiejpluta.demo.entity.Character;
public class ArcherAI extends KeepStraightDistanceAI<Enemy, Character> {
private static final int ASTAR_MAX_NODES = 100;
private static final int IDLE_MOVEMENT_INTERVAL = 4;
private final int range;
private final AI idle;
public ArcherAI(Enemy enemy, Character target, int minRange, int maxRange, int range) {
super(new AstarPathFinder(ASTAR_MAX_NODES), enemy, target, minRange, maxRange);
this.range = range;
this.idle = new RandomMovementAI<>(enemy, IDLE_MOVEMENT_INTERVAL);
}
@Override
protected boolean sees(Enemy enemy, Character target, ObjectLayer layer) {
return enemy.manhattanDistance(target) < range;
}
@Override
protected void interact(Enemy enemy, Character target, ObjectLayer layer, float dt) {
enemy.attack();
}
@Override
protected void follow(Enemy enemy, Character target, ObjectLayer layer, float dt) {
// noop
}
@Override
protected void idle(Enemy enemy, Character target, ObjectLayer layer, float dt) {
idle.nextActivity(layer, dt);
}
}

14
src/main/java/com/bartlomiejpluta/demo/entity/Enemy.java
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@@ -17,6 +17,7 @@ import com.bartlomiejpluta.base.generated.db.model.EnemyModel;
import com.bartlomiejpluta.demo.world.weapon.*;
import com.bartlomiejpluta.demo.event.EnemyDiedEvent;
import com.bartlomiejpluta.demo.ai.*;
import com.bartlomiejpluta.demo.ai.ArcherAI;
public class Enemy extends Character implements NPC {
@@ -72,7 +73,7 @@ public class Enemy extends Character implements NPC {
public Enemy followAndAttack(Character target, int range) {
var ai = new SimpleEnemyAI(this, target, range);
addEventListener(MoveEvent.TYPE, e -> ai.recomputePath());
addEventListener(MoveEvent.TYPE, ai::recomputePath);
addEventListener(EnemyDiedEvent.TYPE, e -> ai.recomputePath());
this.ai = ai;
@@ -91,4 +92,15 @@ public class Enemy extends Character implements NPC {
return this;
}
public Enemy archer(Character target, int minRange, int maxRange, int range) {
var ai = new ArcherAI(this, target, minRange, maxRange, range);
addEventListener(MoveEvent.TYPE, ai::recomputePath);
addEventListener(EnemyDiedEvent.TYPE, e -> ai.recomputePath());
this.ai = ai;
return this;
}
}