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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated September 24, 2021. Replaces all prior versions.
*
* Copyright (c) 2013-2021, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "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 ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) 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
* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
package com.esotericsoftware.spine.attachments;
import static com.esotericsoftware.spine.utils.SpineUtils.*;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.esotericsoftware.spine.Slot;
public class Sequence {
static private int nextID;
private final int id = nextID();
private final TextureRegion[] regions;
private int start, digits, setupIndex;
public Sequence (int count) {
regions = new TextureRegion[count];
}
/** Copy constructor. */
protected Sequence (Sequence other) {
regions = new TextureRegion[other.regions.length];
arraycopy(other.regions, 0, regions, 0, regions.length);
start = other.start;
digits = other.digits;
setupIndex = other.setupIndex;
}
public void apply (Slot slot, HasTextureRegion attachment) {
int index = slot.getSequenceIndex();
if (index == -1) index = setupIndex;
if (index >= regions.length) index = regions.length - 1;
TextureRegion region = regions[index];
if (attachment.getRegion() != region) {
attachment.setRegion(region);
attachment.updateRegion();
}
}
public String getPath (String basePath, int index) {
StringBuilder buffer = new StringBuilder(basePath.length() + digits);
buffer.append(basePath);
String frame = Integer.toString(start + index);
for (int i = digits - frame.length(); i > 0; i--)
buffer.append('0');
buffer.append(frame);
return buffer.toString();
}
public int getStart () {
return start;
}
public void setStart (int start) {
this.start = start;
}
public int getDigits () {
return digits;
}
public void setDigits (int digits) {
this.digits = digits;
}
/** The index of the region to show for the setup pose. */
public int getSetupIndex () {
return setupIndex;
}
public void setSetupIndex (int index) {
this.setupIndex = index;
}
public TextureRegion[] getRegions () {
return regions;
}
/** Returns a unique ID for this attachment. */
public int getId () {
return id;
}
static private synchronized int nextID () {
return nextID++;
}
static public enum SequenceMode {
hold, once, loop, pingpong, onceReverse, loopReverse, pingpongReverse;
static public final SequenceMode[] values = values();
}
}
