mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-20 16:56:43 +08:00
165 lines
6.8 KiB
Java
165 lines
6.8 KiB
Java
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2
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*
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* Copyright (c) 2013, Esoteric Software
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* All rights reserved.
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*
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* You are granted a perpetual, non-exclusive, non-sublicensable and
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* non-transferable license to install, execute and perform the Spine Runtimes
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* Software (the "Software") solely for internal use. Without the written
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* permission of Esoteric Software, you may not (a) modify, translate, adapt or
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* otherwise create derivative works, improvements of the Software or develop
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* new applications using the Software or (b) remove, delete, alter or obscure
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* any trademarks or any copyright, trademark, patent or other intellectual
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* property or proprietary rights notices on or in the Software, including
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* any copy thereof. Redistributions in binary or source form must include
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* this license and terms. THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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package com.esotericsoftware.spine;
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import com.esotericsoftware.spine.attachments.Attachment;
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import com.esotericsoftware.spine.attachments.MeshAttachment;
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import com.esotericsoftware.spine.attachments.RegionAttachment;
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import com.esotericsoftware.spine.attachments.SkeletonAttachment;
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import com.badlogic.gdx.graphics.GL11;
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import com.badlogic.gdx.graphics.Texture;
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import com.badlogic.gdx.graphics.g2d.Batch;
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import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
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import com.badlogic.gdx.utils.Array;
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public class SkeletonRenderer {
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static private final short[] quadTriangle = {0, 1, 2, 2, 3, 0};
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private boolean premultipliedAlpha;
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public void draw (PolygonSpriteBatch batch, Skeleton skeleton) {
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boolean premultipliedAlpha = this.premultipliedAlpha;
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int srcFunc = premultipliedAlpha ? GL11.GL_ONE : GL11.GL_SRC_ALPHA;
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batch.setBlendFunction(srcFunc, GL11.GL_ONE_MINUS_SRC_ALPHA);
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boolean additive = false;
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float[] vertices;
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short[] triangles;
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Texture texture;
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Array<Slot> drawOrder = skeleton.drawOrder;
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for (int i = 0, n = drawOrder.size; i < n; i++) {
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Slot slot = drawOrder.get(i);
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Attachment attachment = slot.attachment;
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if (attachment instanceof RegionAttachment) {
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RegionAttachment region = (RegionAttachment)attachment;
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region.updateWorldVertices(slot, premultipliedAlpha);
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vertices = region.getWorldVertices();
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triangles = quadTriangle;
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texture = region.getRegion().getTexture();
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if (slot.data.getAdditiveBlending() != additive) {
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additive = !additive;
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if (additive)
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batch.setBlendFunction(srcFunc, GL11.GL_ONE);
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else
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batch.setBlendFunction(srcFunc, GL11.GL_ONE_MINUS_SRC_ALPHA);
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}
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batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
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} else if (attachment instanceof MeshAttachment) {
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MeshAttachment mesh = (MeshAttachment)attachment;
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mesh.updateWorldVertices(slot, true);
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vertices = mesh.getWorldVertices();
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triangles = mesh.getTriangles();
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texture = mesh.getRegion().getTexture();
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batch.draw(texture, vertices, 0, vertices.length, triangles, 0, triangles.length);
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} else if (attachment instanceof SkeletonAttachment) {
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Skeleton attachmentSkeleton = ((SkeletonAttachment)attachment).getSkeleton();
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if (attachmentSkeleton == null) continue;
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Bone bone = slot.getBone();
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Bone rootBone = attachmentSkeleton.getRootBone();
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float oldScaleX = rootBone.getScaleX();
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float oldScaleY = rootBone.getScaleY();
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float oldRotation = rootBone.getRotation();
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attachmentSkeleton.setX(bone.getWorldX());
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attachmentSkeleton.setY(bone.getWorldY());
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rootBone.setScaleX(1 + bone.getWorldScaleX() - oldScaleX);
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rootBone.setScaleY(1 + bone.getWorldScaleY() - oldScaleY);
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rootBone.setRotation(oldRotation + bone.getWorldRotation());
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attachmentSkeleton.updateWorldTransform();
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draw(batch, attachmentSkeleton);
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attachmentSkeleton.setX(0);
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attachmentSkeleton.setY(0);
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rootBone.setScaleX(oldScaleX);
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rootBone.setScaleY(oldScaleY);
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rootBone.setRotation(oldRotation);
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}
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}
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}
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public void draw (Batch batch, Skeleton skeleton) {
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boolean premultipliedAlpha = this.premultipliedAlpha;
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int srcFunc = premultipliedAlpha ? GL11.GL_ONE : GL11.GL_SRC_ALPHA;
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batch.setBlendFunction(srcFunc, GL11.GL_ONE_MINUS_SRC_ALPHA);
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boolean additive = false;
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Array<Slot> drawOrder = skeleton.drawOrder;
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for (int i = 0, n = drawOrder.size; i < n; i++) {
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Slot slot = drawOrder.get(i);
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Attachment attachment = slot.attachment;
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if (attachment instanceof RegionAttachment) {
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RegionAttachment regionAttachment = (RegionAttachment)attachment;
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regionAttachment.updateWorldVertices(slot, premultipliedAlpha);
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float[] vertices = regionAttachment.getWorldVertices();
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if (slot.data.getAdditiveBlending() != additive) {
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additive = !additive;
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if (additive)
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batch.setBlendFunction(srcFunc, GL11.GL_ONE);
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else
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batch.setBlendFunction(srcFunc, GL11.GL_ONE_MINUS_SRC_ALPHA);
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}
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batch.draw(regionAttachment.getRegion().getTexture(), vertices, 0, 20);
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} else if (attachment instanceof SkeletonAttachment) {
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Skeleton attachmentSkeleton = ((SkeletonAttachment)attachment).getSkeleton();
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if (attachmentSkeleton == null) continue;
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Bone bone = slot.getBone();
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Bone rootBone = attachmentSkeleton.getRootBone();
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float oldScaleX = rootBone.getScaleX();
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float oldScaleY = rootBone.getScaleY();
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float oldRotation = rootBone.getRotation();
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attachmentSkeleton.setX(bone.getWorldX());
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attachmentSkeleton.setY(bone.getWorldY());
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rootBone.setScaleX(1 + bone.getWorldScaleX() - oldScaleX);
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rootBone.setScaleY(1 + bone.getWorldScaleY() - oldScaleY);
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rootBone.setRotation(oldRotation + bone.getWorldRotation());
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attachmentSkeleton.updateWorldTransform();
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draw(batch, attachmentSkeleton);
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attachmentSkeleton.setX(0);
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attachmentSkeleton.setY(0);
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rootBone.setScaleX(oldScaleX);
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rootBone.setScaleY(oldScaleY);
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rootBone.setRotation(oldRotation);
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}
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}
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}
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public void setPremultipliedAlpha (boolean premultipliedAlpha) {
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this.premultipliedAlpha = premultipliedAlpha;
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}
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}
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