mcMMO/src/main/java/com/gmail/nossr50/skills/archery/ArcheryManager.java

package com.gmail.nossr50.skills.archery;

import org.bukkit.Location;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.entity.EntityDamageEvent;

import com.gmail.nossr50.datatypes.McMMOPlayer;
import com.gmail.nossr50.skills.SkillManager;
import com.gmail.nossr50.skills.utilities.SkillType;
import com.gmail.nossr50.util.Misc;
import com.gmail.nossr50.util.Permissions;

public class ArcheryManager extends SkillManager {
    public ArcheryManager (McMMOPlayer mcMMOPlayer) {
        super(mcMMOPlayer, SkillType.ARCHERY);
    }

    public void distanceXpBonus(LivingEntity target) {
        Player player = mcMMOPlayer.getPlayer();
        Location shooterLocation = player.getLocation();
        Location targetLocation = target.getLocation();

        if (!shooterLocation.getWorld().equals(targetLocation.getWorld())) {
            return;
        }

        double squaredDistance = shooterLocation.distanceSquared(targetLocation);

        // Cap distance at 100^2 to prevent teleport exploit.
        // TODO: Better way to handle this would be great...
        if (squaredDistance > 10000) {
            squaredDistance = 10000;
        }

        int bonusXp = (int) (squaredDistance * Archery.distanceXpModifer);
        mcMMOPlayer.beginXpGain(SkillType.ARCHERY, bonusXp);
    }

    /**
     * Track arrows fired for later retrieval.
     *
     * @param livingEntity Entity damaged by the arrow
     */
    public void trackArrows(LivingEntity livingEntity) {
        ArrowTrackingEventHandler eventHandler = new ArrowTrackingEventHandler(this, livingEntity);

        double chance = (Archery.retrieveMaxChance / Archery.retrieveMaxBonusLevel) * eventHandler.skillModifier;

        if (chance > Misc.getRandom().nextInt(activationChance)) {
            eventHandler.addToTracker();
        }
    }

    /**
     * Check for Daze.
     *
     * @param defender Defending player
     * @param event The event to modify
     */
    public void dazeCheck(Player defender, EntityDamageEvent event) {
        DazeEventHandler eventHandler = new DazeEventHandler(this, event, defender);

        double chance = (Archery.dazeMaxBonus / Archery.dazeMaxBonusLevel) * eventHandler.skillModifier;

        if (chance > Misc.getRandom().nextInt(activationChance)) {
            eventHandler.handleDazeEffect();
            eventHandler.sendAbilityMessages();
        }
    }

    /**
     * Handle archery bonus damage.
     *
     * @param event The event to modify.
     */
    public void skillShot(EntityDamageEvent event) {
        if (skillLevel >= Archery.skillShotIncreaseLevel && Permissions.archeryBonus(mcMMOPlayer.getPlayer())) {
            SkillShotEventHandler eventHandler = new SkillShotEventHandler(this, event);

            eventHandler.calculateDamageBonus();
            eventHandler.modifyEventDamage();
        }
    }
}