/******************************************************************************
* Spine Runtimes Software License v2.5
*
* Copyright (c) 2013-2016, Esoteric Software
* All rights reserved.
*
* You are granted a perpetual, non-exclusive, non-sublicensable, and
* non-transferable license to use, install, execute, and perform the Spine
* Runtimes software and derivative works solely for personal or internal
* use. Without the written permission of Esoteric Software (see Section 2 of
* the Spine Software License Agreement), you may not (a) modify, translate,
* adapt, or develop new applications using the Spine Runtimes or otherwise
* create derivative works or improvements of the Spine Runtimes or (b) remove,
* delete, alter, or obscure any trademarks or any copyright, trademark, patent,
* or other intellectual property or proprietary rights notices on or in the
* Software, including any copy thereof. Redistributions in binary or source
* form must include this license and terms.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "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 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 THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
package com.esotericsoftware.spine;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
import com.badlogic.gdx.utils.Array;
import com.esotericsoftware.spine.attachments.Attachment;
import com.esotericsoftware.spine.attachments.RegionAttachment;
import com.esotericsoftware.spine.attachments.SkeletonAttachment;
import com.esotericsoftware.spine.attachments.MeshAttachment;
public class SkeletonMeshRenderer extends SkeletonRenderer<PolygonSpriteBatch> {
static private final short[] quadTriangles = {0, 1, 2, 2, 3, 0};
@SuppressWarnings("null")
public void draw (PolygonSpriteBatch batch, Skeleton skeleton) {
boolean premultipliedAlpha = this.premultipliedAlpha;
BlendMode blendMode = null;
float[] vertices = null;
short[] triangles = null;
Array<Slot> drawOrder = skeleton.drawOrder;
for (int i = 0, n = drawOrder.size; i < n; i++) {
Slot slot = drawOrder.get(i);
Attachment attachment = slot.attachment;
Texture texture = null;
if (attachment instanceof RegionAttachment) {
RegionAttachment region = (RegionAttachment)attachment;
vertices = region.updateWorldVertices(slot, premultipliedAlpha);
triangles = quadTriangles;
texture = region.getRegion().getTexture();
} else if (attachment instanceof MeshAttachment) {
MeshAttachment mesh = (MeshAttachment)attachment;
vertices = mesh.updateWorldVertices(slot, premultipliedAlpha);
triangles = mesh.getTriangles();
texture = mesh.getRegion().getTexture();
} else if (attachment instanceof SkeletonAttachment) {
Skeleton attachmentSkeleton = ((SkeletonAttachment)attachment).getSkeleton();
if (attachmentSkeleton == null) continue;
Bone bone = slot.getBone();
Bone rootBone = attachmentSkeleton.getRootBone();
float oldScaleX = rootBone.getScaleX();
float oldScaleY = rootBone.getScaleY();
float oldRotation = rootBone.getRotation();
attachmentSkeleton.setPosition(bone.getWorldX(), bone.getWorldY());
// rootBone.setScaleX(1 + bone.getWorldScaleX() - oldScaleX);
// rootBone.setScaleY(1 + bone.getWorldScaleY() - oldScaleY);
// Set shear.
rootBone.setRotation(oldRotation + bone.getWorldRotationX());
attachmentSkeleton.updateWorldTransform();
draw(batch, attachmentSkeleton);
attachmentSkeleton.setPosition(0, 0);
rootBone.setScaleX(oldScaleX);
rootBone.setScaleY(oldScaleY);
rootBone.setRotation(oldRotation);
}
if (texture != null) {
BlendMode slotBlendMode = slot.data.getBlendMode();
if (slotBlendMode != blendMode) {
blendMode = slotBlendMode;
batch.setBlendFunction(blendMode.getSource(premultipliedAlpha), blendMode.getDest());
}
batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
}
}
}
}