Evan Debenham
36e44340a8
Major Changes: - Shattered now builds effortlessly either from gradle CLI or android studio - Much better dependency management through gradle (although it's not really used atm) - Separate PD-classes repo is now SPD-classes module within main repo
122 lines
2.6 KiB
Java
122 lines
2.6 KiB
Java
/*
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* Pixel Dungeon
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* Copyright (C) 2012-2015 Oleg Dolya
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*
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* Shattered Pixel Dungeon
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* Copyright (C) 2014-2016 Evan Debenham
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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.watabou.noosa;
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import com.watabou.input.Touchscreen;
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import com.watabou.input.Touchscreen.Touch;
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import com.watabou.utils.Signal;
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public class TouchArea extends Visual implements Signal.Listener<Touchscreen.Touch> {
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// Its target can be toucharea itself
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public Visual target;
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protected Touchscreen.Touch touch = null;
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//if true, this TouchArea will always block input, even when it is inactive
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public boolean blockWhenInactive = false;
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public TouchArea( Visual target ) {
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super( 0, 0, 0, 0 );
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this.target = target;
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Touchscreen.event.add( this );
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}
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public TouchArea( float x, float y, float width, float height ) {
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super( x, y, width, height );
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this.target = this;
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visible = false;
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Touchscreen.event.add( this );
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}
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@Override
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public void onSignal( Touch touch ) {
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boolean hit = touch != null && target.overlapsScreenPoint( (int)touch.current.x, (int)touch.current.y );
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if (!isActive()) {
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if (hit && blockWhenInactive) Touchscreen.event.cancel();
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return;
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}
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if (hit) {
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if (touch.down || touch == this.touch) Touchscreen.event.cancel();
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if (touch.down) {
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if (this.touch == null) {
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this.touch = touch;
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}
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onTouchDown( touch );
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} else {
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onTouchUp( touch );
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if (this.touch == touch) {
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this.touch = null;
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onClick( touch );
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}
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}
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} else {
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if (touch == null && this.touch != null) {
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onDrag( this.touch );
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}
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else if (this.touch != null && !touch.down) {
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onTouchUp( touch );
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this.touch = null;
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}
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}
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}
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protected void onTouchDown( Touch touch ) {
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}
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protected void onTouchUp( Touch touch ) {
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}
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protected void onClick( Touch touch ) {
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}
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protected void onDrag( Touch touch ) {
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}
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public void reset() {
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touch = null;
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}
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@Override
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public void destroy() {
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Touchscreen.event.remove( this );
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super.destroy();
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}
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}
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