SkillAction.java

package com.osroyale.content.skill;
 
import com.osroyale.game.Animation;
import com.osroyale.game.action.Action;
import com.osroyale.game.world.entity.mob.Mob;
import com.osroyale.game.world.position.Position;
 
import java.util.Optional;

 
public abstract class SkillAction extends Action<Mob> {

    private final Optional<Position> position;

    public SkillAction(Mob mob, Optional<Position> position, int delay, boolean instant) {
        super(mob, delay, instant);
        this.position = position;
    }

    public SkillAction(Mob mob, Optional<Position> position, boolean instant) {
        this(mob, position, 1, instant);
    }

    public final void start() {
        //determine if this task can be initialized.
        if (!canInit()) {
            return;
        }
 
        //reset any other action.
        getMob().action.clearNonWalkableActions();
 
        //submit this action.
        getMob().action.execute(this, false);
        position.ifPresent(getMob()::face);
    }

    public abstract boolean canInit();

    public abstract void init();

    public abstract void onExecute();

    public abstract Optional<SkillAnimation> animation();

    public abstract double experience();

    public abstract int skill();

    public boolean ignore() {
        return false;
    }

    private int animationCounter;
 
    @Override
    protected final void onSchedule() {
        if (!canRun() || !canInit()) {
            this.cancel();
            return;
        }
        if (animation().isPresent() && animation().get().instant) {
            getMob().animate(animation().get().animation);
        }
        init();
    }
 
    @Override
    protected final void execute() {
        if (!canRun()) {
            cancel();
            return;
        }
 
        if (animation().isPresent() && animationCounter++ > animation().get().delay) {
            getMob().animate(animation().get().animation);
            animationCounter = 0;
        }
 
        onExecute();
    }

    public final class SkillAnimation {

        public final Animation animation;

        public final int delay;

        public final boolean instant;

        public SkillAnimation(Animation animation, int delay, boolean instant) {
            this.animation = animation;
            this.delay = delay;
            this.instant = instant;
        }

        public SkillAnimation(Animation animation, int delay) {
            this(animation, delay, true);
        }
    }
}