/*******************************************************************************
* Copyright (c) 2013, Esoteric Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
package com.esotericsoftware.spine;
import com.esotericsoftware.spine.attachments.Attachment;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.ObjectMap;
import com.badlogic.gdx.utils.ObjectMap.Entry;
/** Stores attachments by slot index and attachment name. */
public class Skin {
static private final Key lookup = new Key();
final String name;
final ObjectMap<Key, Attachment> attachments = new ObjectMap();
public Skin (String name) {
if (name == null) throw new IllegalArgumentException("name cannot be null.");
this.name = name;
}
public void addAttachment (int slotIndex, String name, Attachment attachment) {
if (attachment == null) throw new IllegalArgumentException("attachment cannot be null.");
Key key = new Key();
key.set(slotIndex, name);
attachments.put(key, attachment);
}
/** @return May be null. */
public Attachment getAttachment (int slotIndex, String name) {
lookup.set(slotIndex, name);
return attachments.get(lookup);
}
public void findNamesForSlot (int slotIndex, Array<String> names) {
if (names == null) throw new IllegalArgumentException("names cannot be null.");
for (Key key : attachments.keys())
if (key.slotIndex == slotIndex) names.add(key.name);
}
public void findAttachmentsForSlot (int slotIndex, Array<Attachment> attachments) {
if (attachments == null) throw new IllegalArgumentException("attachments cannot be null.");
for (Entry<Key, Attachment> entry : this.attachments.entries())
if (entry.key.slotIndex == slotIndex) attachments.add(entry.value);
}
public void clear () {
attachments.clear();
}
public String getName () {
return name;
}
public String toString () {
return name;
}
/** Attach each attachment in this skin if the corresponding attachment in the old skin is currently attached. */
void attachAll (Skeleton skeleton, Skin oldSkin) {
for (Entry<Key, Attachment> entry : oldSkin.attachments.entries()) {
int slotIndex = entry.key.slotIndex;
Slot slot = skeleton.slots.get(slotIndex);
if (slot.attachment == entry.value) {
Attachment attachment = getAttachment(slotIndex, entry.key.name);
if (attachment != null) slot.setAttachment(attachment);
}
}
}
static class Key {
int slotIndex;
String name;
int hashCode;
public void set (int slotName, String name) {
if (name == null) throw new IllegalArgumentException("name cannot be null.");
this.slotIndex = slotName;
this.name = name;
hashCode = 31 * (31 + name.hashCode()) + slotIndex;
}
public int hashCode () {
return hashCode;
}
public boolean equals (Object object) {
if (object == null) return false;
Key other = (Key)object;
if (slotIndex != other.slotIndex) return false;
if (!name.equals(other.name)) return false;
return true;
}
public String toString () {
return slotIndex + ":" + name;
}
}
}