mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-03-26 22:49:01 +08:00
97 lines
3.5 KiB
Java
97 lines
3.5 KiB
Java
/*******************************************************************************
|
|
* 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.attachments;
|
|
|
|
import com.esotericsoftware.spine.Slot;
|
|
|
|
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
|
|
import com.badlogic.gdx.graphics.g2d.TextureRegion;
|
|
import com.badlogic.gdx.math.MathUtils;
|
|
|
|
/** Attachment that displays various texture regions over time. */
|
|
public class RegionSequenceAttachment extends RegionAttachment {
|
|
private Mode mode;
|
|
private float frameTime;
|
|
private TextureRegion[] regions;
|
|
|
|
public RegionSequenceAttachment (String name) {
|
|
super(name);
|
|
}
|
|
|
|
public void draw (SpriteBatch batch, Slot slot) {
|
|
if (regions == null) throw new IllegalStateException("RegionSequenceAttachment is not resolved: " + this);
|
|
|
|
int frameIndex = (int)(slot.getAttachmentTime() / frameTime);
|
|
switch (mode) {
|
|
case forward:
|
|
frameIndex = Math.min(regions.length - 1, frameIndex);
|
|
break;
|
|
case forwardLoop:
|
|
frameIndex = frameIndex % regions.length;
|
|
break;
|
|
case pingPong:
|
|
frameIndex = frameIndex % (regions.length * 2);
|
|
if (frameIndex >= regions.length) frameIndex = regions.length - 1 - (frameIndex - regions.length);
|
|
break;
|
|
case random:
|
|
frameIndex = MathUtils.random(regions.length - 1);
|
|
break;
|
|
case backward:
|
|
frameIndex = Math.max(regions.length - frameIndex - 1, 0);
|
|
break;
|
|
case backwardLoop:
|
|
frameIndex = frameIndex % regions.length;
|
|
frameIndex = regions.length - frameIndex - 1;
|
|
break;
|
|
}
|
|
setRegion(regions[frameIndex]);
|
|
super.draw(batch, slot);
|
|
}
|
|
|
|
/** May be null if the attachment is not resolved. */
|
|
public TextureRegion[] getRegions () {
|
|
if (regions == null) throw new IllegalStateException("RegionSequenceAttachment is not resolved: " + this);
|
|
return regions;
|
|
}
|
|
|
|
public void setRegions (TextureRegion[] regions) {
|
|
this.regions = regions;
|
|
}
|
|
|
|
/** Sets the time in seconds each frame is shown. */
|
|
public void setFrameTime (float frameTime) {
|
|
this.frameTime = frameTime;
|
|
}
|
|
|
|
public void setMode (Mode mode) {
|
|
this.mode = mode;
|
|
}
|
|
|
|
static public enum Mode {
|
|
forward, backward, forwardLoop, backwardLoop, pingPong, random
|
|
}
|
|
}
|