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	Reduce code duplication. Also verify that our target is alive before trying to damage them.
Fixes #1403
This commit is contained in:
		@@ -348,18 +348,7 @@ public final class CombatUtils {
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     * @param damage Amount of damage to attempt to do
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     */
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    public static void dealDamage(LivingEntity target, double damage) {
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        if (Config.getInstance().getEventCallbackEnabled()) {
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            EntityDamageEvent ede = new FakeEntityDamageEvent(target, DamageCause.CUSTOM, damage);
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            mcMMO.p.getServer().getPluginManager().callEvent(ede);
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            if (ede.isCancelled()) {
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                return;
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            }
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            damage = ede.getDamage();
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        }
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        target.damage(damage);
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        dealDamage(target, damage, DamageCause.CUSTOM, null);
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    }
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    /**
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@@ -381,15 +370,19 @@ public final class CombatUtils {
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     * @param attacker Player to pass to event as damager
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     */
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    public static void dealDamage(LivingEntity target, double damage, DamageCause cause, Entity attacker) {
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        if (Config.getInstance().getEventCallbackEnabled()) {
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            EntityDamageEvent ede = new FakeEntityDamageByEntityEvent(attacker, target, cause, damage);
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            mcMMO.p.getServer().getPluginManager().callEvent(ede);
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        if (target.isDead()) {
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            return;
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        }
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            if (ede.isCancelled()) {
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        if (Config.getInstance().getEventCallbackEnabled()) {
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            EntityDamageEvent damageEvent = attacker == null ? new FakeEntityDamageEvent(target, cause, damage) : new FakeEntityDamageByEntityEvent(attacker, target, cause, damage);
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            mcMMO.p.getServer().getPluginManager().callEvent(damageEvent);
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            if (damageEvent.isCancelled()) {
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                return;
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            }
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            damage = ede.getDamage();
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            damage = damageEvent.getDamage();
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        }
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        target.damage(damage);
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