Evan Debenham
135 lines
3.5 KiB
Java
135 lines
3.5 KiB
Java
/*
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* Pixel Dungeon
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* Copyright (C) 2012-2014 Oleg Dolya
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package com.shatteredpixel.shatteredpixeldungeon.actors.buffs;
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import com.shatteredpixel.shatteredpixeldungeon.actors.Actor;
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import com.shatteredpixel.shatteredpixeldungeon.actors.Char;
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import com.shatteredpixel.shatteredpixeldungeon.ui.BuffIndicator;
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import java.text.DecimalFormat;
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import java.util.HashSet;
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public class Buff extends Actor {
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public Char target;
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{
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actPriority = 3; //low priority, at the end of a turn
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}
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//determines how the buff is announced when it is shown.
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//buffs that work behind the scenes, or have other visual indicators can usually be silent.
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public enum buffType {POSITIVE, NEGATIVE, NEUTRAL, SILENT};
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public buffType type = buffType.SILENT;
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public HashSet<Class<?>> resistances = new HashSet<Class<?>>();
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public HashSet<Class<?>> immunities = new HashSet<Class<?>>();
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public boolean attachTo( Char target ) {
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if (target.immunities().contains( getClass() )) {
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return false;
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}
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this.target = target;
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target.add( this );
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if (target.buffs().contains(this)){
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if (target.sprite != null) fx( true );
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return true;
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} else
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return false;
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}
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public void detach() {
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fx( false );
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target.remove( this );
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}
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@Override
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public boolean act() {
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diactivate();
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return true;
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}
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public int icon() {
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return BuffIndicator.NONE;
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}
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public void fx(boolean on) {
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//do nothing by default
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};
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public String desc(){
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return "";
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}
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//to handle the common case of showing how many turns are remaining in a buff description.
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protected String dispTurns() {
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return cooldown() == 1 ? "1 more turn" : new DecimalFormat("#.##").format(cooldown()) + " more turns";
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}
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public static<T extends Buff> T append( Char target, Class<T> buffClass ) {
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try {
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T buff = buffClass.newInstance();
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buff.attachTo( target );
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return buff;
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} catch (Exception e) {
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return null;
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}
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}
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public static<T extends FlavourBuff> T append( Char target, Class<T> buffClass, float duration ) {
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T buff = append( target, buffClass );
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buff.spend( duration );
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return buff;
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}
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public static<T extends Buff> T affect( Char target, Class<T> buffClass ) {
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T buff = target.buff( buffClass );
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if (buff != null) {
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return buff;
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} else {
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return append( target, buffClass );
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}
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}
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public static<T extends FlavourBuff> T affect( Char target, Class<T> buffClass, float duration ) {
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T buff = affect( target, buffClass );
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buff.spend( duration );
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return buff;
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}
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public static<T extends FlavourBuff> T prolong( Char target, Class<T> buffClass, float duration ) {
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T buff = affect( target, buffClass );
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buff.postpone( duration );
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return buff;
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}
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public static void detach( Buff buff ) {
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if (buff != null) {
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buff.detach();
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}
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}
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public static void detach( Char target, Class<? extends Buff> cl ) {
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detach( target.buff( cl ) );
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}
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}
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