mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-06 07:14:55 +08:00
477 lines
20 KiB
Java
477 lines
20 KiB
Java
/******************************************************************************
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* Spine Runtimes Software License
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* Version 2.1
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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 (typically granted by licensing Spine), you
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* may not (a) modify, translate, adapt or otherwise create derivative works,
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* improvements of the Software or develop new applications using the Software
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* or (b) remove, delete, alter or obscure any trademarks or any copyright,
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* trademark, patent or other intellectual property or proprietary rights
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* notices on or in the Software, including any copy thereof. Redistributions
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* in binary or source form must include this license and terms.
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*
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* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ESOTERIC SOFTARE BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* 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.Animation.AttachmentTimeline;
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import com.esotericsoftware.spine.Animation.ColorTimeline;
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import com.esotericsoftware.spine.Animation.CurveTimeline;
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import com.esotericsoftware.spine.Animation.DrawOrderTimeline;
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import com.esotericsoftware.spine.Animation.EventTimeline;
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import com.esotericsoftware.spine.Animation.FfdTimeline;
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import com.esotericsoftware.spine.Animation.RotateTimeline;
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import com.esotericsoftware.spine.Animation.ScaleTimeline;
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import com.esotericsoftware.spine.Animation.Timeline;
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import com.esotericsoftware.spine.Animation.TranslateTimeline;
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import com.esotericsoftware.spine.attachments.AtlasAttachmentLoader;
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import com.esotericsoftware.spine.attachments.Attachment;
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import com.esotericsoftware.spine.attachments.AttachmentLoader;
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import com.esotericsoftware.spine.attachments.AttachmentType;
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import com.esotericsoftware.spine.attachments.BoundingBoxAttachment;
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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.SkinnedMeshAttachment;
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import com.badlogic.gdx.files.FileHandle;
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import com.badlogic.gdx.graphics.Color;
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import com.badlogic.gdx.graphics.g2d.TextureAtlas;
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import com.badlogic.gdx.utils.Array;
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import com.badlogic.gdx.utils.FloatArray;
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import com.badlogic.gdx.utils.IntArray;
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import com.badlogic.gdx.utils.JsonReader;
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import com.badlogic.gdx.utils.JsonValue;
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import com.badlogic.gdx.utils.SerializationException;
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public class SkeletonJson {
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private final AttachmentLoader attachmentLoader;
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private float scale = 1;
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public SkeletonJson (TextureAtlas atlas) {
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attachmentLoader = new AtlasAttachmentLoader(atlas);
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}
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public SkeletonJson (AttachmentLoader attachmentLoader) {
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this.attachmentLoader = attachmentLoader;
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}
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public float getScale () {
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return scale;
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}
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/** Scales the bones, images, and animations as they are loaded. */
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public void setScale (float scale) {
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this.scale = scale;
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}
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public SkeletonData readSkeletonData (FileHandle file) {
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if (file == null) throw new IllegalArgumentException("file cannot be null.");
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float scale = this.scale;
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SkeletonData skeletonData = new SkeletonData();
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skeletonData.name = file.nameWithoutExtension();
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JsonValue root = new JsonReader().parse(file);
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// Bones.
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for (JsonValue boneMap = root.getChild("bones"); boneMap != null; boneMap = boneMap.next) {
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BoneData parent = null;
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String parentName = boneMap.getString("parent", null);
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if (parentName != null) {
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parent = skeletonData.findBone(parentName);
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if (parent == null) throw new SerializationException("Parent bone not found: " + parentName);
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}
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BoneData boneData = new BoneData(boneMap.getString("name"), parent);
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boneData.length = boneMap.getFloat("length", 0) * scale;
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boneData.x = boneMap.getFloat("x", 0) * scale;
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boneData.y = boneMap.getFloat("y", 0) * scale;
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boneData.rotation = boneMap.getFloat("rotation", 0);
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boneData.scaleX = boneMap.getFloat("scaleX", 1);
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boneData.scaleY = boneMap.getFloat("scaleY", 1);
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boneData.inheritScale = boneMap.getBoolean("inheritScale", true);
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boneData.inheritRotation = boneMap.getBoolean("inheritRotation", true);
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String color = boneMap.getString("color", null);
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if (color != null) boneData.getColor().set(Color.valueOf(color));
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skeletonData.getBones().add(boneData);
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}
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// Slots.
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for (JsonValue slotMap = root.getChild("slots"); slotMap != null; slotMap = slotMap.next) {
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String slotName = slotMap.getString("name");
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String boneName = slotMap.getString("bone");
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BoneData boneData = skeletonData.findBone(boneName);
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if (boneData == null) throw new SerializationException("Slot bone not found: " + boneName);
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SlotData slotData = new SlotData(slotName, boneData);
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String color = slotMap.getString("color", null);
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if (color != null) slotData.getColor().set(Color.valueOf(color));
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slotData.attachmentName = slotMap.getString("attachment", null);
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slotData.additiveBlending = slotMap.getBoolean("additive", false);
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skeletonData.getSlots().add(slotData);
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}
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// Skins.
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for (JsonValue skinMap = root.getChild("skins"); skinMap != null; skinMap = skinMap.next) {
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Skin skin = new Skin(skinMap.name);
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for (JsonValue slotEntry = skinMap.child; slotEntry != null; slotEntry = slotEntry.next) {
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int slotIndex = skeletonData.findSlotIndex(slotEntry.name);
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if (slotIndex == -1) throw new SerializationException("Slot not found: " + slotEntry.name);
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for (JsonValue entry = slotEntry.child; entry != null; entry = entry.next) {
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Attachment attachment = readAttachment(skin, entry.name, entry);
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if (attachment != null) skin.addAttachment(slotIndex, entry.name, attachment);
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}
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}
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skeletonData.getSkins().add(skin);
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if (skin.name.equals("default")) skeletonData.defaultSkin = skin;
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}
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// Events.
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for (JsonValue eventMap = root.getChild("events"); eventMap != null; eventMap = eventMap.next) {
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EventData eventData = new EventData(eventMap.name);
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eventData.intValue = eventMap.getInt("int", 0);
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eventData.floatValue = eventMap.getFloat("float", 0f);
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eventData.stringValue = eventMap.getString("string", null);
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skeletonData.getEvents().add(eventData);
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}
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// Animations.
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for (JsonValue animationMap = root.getChild("animations"); animationMap != null; animationMap = animationMap.next)
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readAnimation(animationMap.name, animationMap, skeletonData);
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skeletonData.bones.shrink();
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skeletonData.slots.shrink();
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skeletonData.skins.shrink();
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skeletonData.animations.shrink();
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return skeletonData;
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}
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private Attachment readAttachment (Skin skin, String name, JsonValue map) {
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float scale = this.scale;
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name = map.getString("name", name);
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String path = map.getString("path", name);
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switch (AttachmentType.valueOf(map.getString("type", AttachmentType.region.name()))) {
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case region:
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RegionAttachment region = attachmentLoader.newRegionAttachment(skin, name, path);
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if (region == null) return null;
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region.setPath(path);
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region.setX(map.getFloat("x", 0) * scale);
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region.setY(map.getFloat("y", 0) * scale);
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region.setScaleX(map.getFloat("scaleX", 1));
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region.setScaleY(map.getFloat("scaleY", 1));
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region.setRotation(map.getFloat("rotation", 0));
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region.setWidth(map.getFloat("width") * scale);
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region.setHeight(map.getFloat("height") * scale);
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String color = map.getString("color", null);
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if (color != null) region.getColor().set(Color.valueOf(color));
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region.updateOffset();
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return region;
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case boundingbox: {
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BoundingBoxAttachment box = attachmentLoader.newBoundingBoxAttachment(skin, name);
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if (box == null) return null;
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float[] vertices = map.require("vertices").asFloatArray();
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if (scale != 1) {
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for (int i = 0, n = vertices.length; i < n; i++)
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vertices[i] *= scale;
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}
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box.setVertices(vertices);
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return box;
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}
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case mesh: {
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MeshAttachment mesh = attachmentLoader.newMeshAttachment(skin, name, path);
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if (mesh == null) return null;
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mesh.setPath(path);
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float[] vertices = map.require("vertices").asFloatArray();
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if (scale != 1) {
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for (int i = 0, n = vertices.length; i < n; i++)
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vertices[i] *= scale;
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}
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mesh.setVertices(vertices);
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mesh.setTriangles(map.require("triangles").asShortArray());
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mesh.setRegionUVs(map.require("uvs").asFloatArray());
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mesh.updateUVs();
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if (map.has("hull")) mesh.setHullLength(map.require("hull").asInt() * 2);
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if (map.has("edges")) mesh.setEdges(map.require("edges").asIntArray());
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mesh.setWidth(map.getFloat("width", 0) * scale);
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mesh.setHeight(map.getFloat("height", 0) * scale);
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return mesh;
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}
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case skinnedmesh: {
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SkinnedMeshAttachment mesh = attachmentLoader.newSkinnedMeshAttachment(skin, name, path);
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if (mesh == null) return null;
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mesh.setPath(path);
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float[] uvs = map.require("uvs").asFloatArray();
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float[] vertices = map.require("vertices").asFloatArray();
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FloatArray weights = new FloatArray(uvs.length * 3 * 3);
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IntArray bones = new IntArray(uvs.length * 3);
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for (int i = 0, n = vertices.length; i < n;) {
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int boneCount = (int)vertices[i++];
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bones.add(boneCount);
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for (int nn = i + boneCount * 4; i < nn;) {
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bones.add((int)vertices[i]);
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weights.add(vertices[i + 1] * scale);
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weights.add(vertices[i + 2] * scale);
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weights.add(vertices[i + 3]);
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i += 4;
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}
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}
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mesh.setBones(bones.toArray());
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mesh.setWeights(weights.toArray());
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mesh.setTriangles(map.require("triangles").asShortArray());
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mesh.setRegionUVs(uvs);
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mesh.updateUVs();
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if (map.has("hull")) mesh.setHullLength(map.require("hull").asInt() * 2);
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if (map.has("edges")) mesh.setEdges(map.require("edges").asIntArray());
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mesh.setWidth(map.getFloat("width", 0) * scale);
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mesh.setHeight(map.getFloat("height", 0) * scale);
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return mesh;
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}
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}
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// RegionSequenceAttachment regionSequenceAttachment = (RegionSequenceAttachment)attachment;
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//
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// float fps = map.getFloat("fps");
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// regionSequenceAttachment.setFrameTime(fps);
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//
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// String modeString = map.getString("mode");
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// regionSequenceAttachment.setMode(modeString == null ? Mode.forward : Mode.valueOf(modeString));
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return null;
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}
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private void readAnimation (String name, JsonValue map, SkeletonData skeletonData) {
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float scale = this.scale;
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Array<Timeline> timelines = new Array();
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float duration = 0;
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// Slot timelines.
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for (JsonValue slotMap = map.getChild("slots"); slotMap != null; slotMap = slotMap.next) {
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int slotIndex = skeletonData.findSlotIndex(slotMap.name);
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if (slotIndex == -1) throw new SerializationException("Slot not found: " + slotMap.name);
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for (JsonValue timelineMap = slotMap.child; timelineMap != null; timelineMap = timelineMap.next) {
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String timelineName = timelineMap.name;
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if (timelineName.equals("color")) {
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ColorTimeline timeline = new ColorTimeline(timelineMap.size);
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timeline.slotIndex = slotIndex;
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int frameIndex = 0;
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for (JsonValue valueMap = timelineMap.child; valueMap != null; valueMap = valueMap.next) {
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Color color = Color.valueOf(valueMap.getString("color"));
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timeline.setFrame(frameIndex, valueMap.getFloat("time"), color.r, color.g, color.b, color.a);
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readCurve(timeline, frameIndex, valueMap);
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frameIndex++;
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}
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timelines.add(timeline);
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duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() * 5 - 5]);
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} else if (timelineName.equals("attachment")) {
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AttachmentTimeline timeline = new AttachmentTimeline(timelineMap.size);
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timeline.slotIndex = slotIndex;
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int frameIndex = 0;
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for (JsonValue valueMap = timelineMap.child; valueMap != null; valueMap = valueMap.next)
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timeline.setFrame(frameIndex++, valueMap.getFloat("time"), valueMap.getString("name"));
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timelines.add(timeline);
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duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() - 1]);
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} else
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throw new RuntimeException("Invalid timeline type for a slot: " + timelineName + " (" + slotMap.name + ")");
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}
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}
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// Bone timelines.
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for (JsonValue boneMap = map.getChild("bones"); boneMap != null; boneMap = boneMap.next) {
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int boneIndex = skeletonData.findBoneIndex(boneMap.name);
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if (boneIndex == -1) throw new SerializationException("Bone not found: " + boneMap.name);
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for (JsonValue timelineMap = boneMap.child; timelineMap != null; timelineMap = timelineMap.next) {
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String timelineName = timelineMap.name;
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if (timelineName.equals("rotate")) {
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RotateTimeline timeline = new RotateTimeline(timelineMap.size);
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timeline.boneIndex = boneIndex;
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int frameIndex = 0;
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for (JsonValue valueMap = timelineMap.child; valueMap != null; valueMap = valueMap.next) {
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timeline.setFrame(frameIndex, valueMap.getFloat("time"), valueMap.getFloat("angle"));
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readCurve(timeline, frameIndex, valueMap);
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frameIndex++;
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}
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timelines.add(timeline);
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duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() * 2 - 2]);
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} else if (timelineName.equals("translate") || timelineName.equals("scale")) {
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TranslateTimeline timeline;
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float timelineScale = 1;
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if (timelineName.equals("scale"))
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timeline = new ScaleTimeline(timelineMap.size);
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else {
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timeline = new TranslateTimeline(timelineMap.size);
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timelineScale = scale;
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}
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timeline.boneIndex = boneIndex;
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int frameIndex = 0;
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for (JsonValue valueMap = timelineMap.child; valueMap != null; valueMap = valueMap.next) {
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float x = valueMap.getFloat("x", 0), y = valueMap.getFloat("y", 0);
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timeline.setFrame(frameIndex, valueMap.getFloat("time"), x * timelineScale, y * timelineScale);
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readCurve(timeline, frameIndex, valueMap);
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frameIndex++;
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}
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timelines.add(timeline);
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duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() * 3 - 3]);
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} else
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throw new RuntimeException("Invalid timeline type for a bone: " + timelineName + " (" + boneMap.name + ")");
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}
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}
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// FFD timelines.
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for (JsonValue ffdMap = map.getChild("ffd"); ffdMap != null; ffdMap = ffdMap.next) {
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Skin skin = skeletonData.findSkin(ffdMap.name);
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if (skin == null) throw new SerializationException("Skin not found: " + ffdMap.name);
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for (JsonValue slotMap = ffdMap.child; slotMap != null; slotMap = slotMap.next) {
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int slotIndex = skeletonData.findSlotIndex(slotMap.name);
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if (slotIndex == -1) throw new SerializationException("Slot not found: " + slotMap.name);
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for (JsonValue meshMap = slotMap.child; meshMap != null; meshMap = meshMap.next) {
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FfdTimeline timeline = new FfdTimeline(meshMap.size);
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Attachment attachment = skin.getAttachment(slotIndex, meshMap.name);
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if (attachment == null) throw new SerializationException("FFD attachment not found: " + meshMap.name);
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timeline.slotIndex = slotIndex;
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timeline.attachment = attachment;
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int vertexCount;
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if (attachment instanceof MeshAttachment)
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vertexCount = ((MeshAttachment)attachment).getVertices().length;
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else
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vertexCount = ((SkinnedMeshAttachment)attachment).getWeights().length / 3 * 2;
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int frameIndex = 0;
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for (JsonValue valueMap = meshMap.child; valueMap != null; valueMap = valueMap.next) {
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float[] vertices;
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JsonValue verticesValue = valueMap.get("vertices");
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if (verticesValue == null) {
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if (attachment instanceof MeshAttachment)
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vertices = ((MeshAttachment)attachment).getVertices();
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else
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vertices = new float[vertexCount];
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} else {
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vertices = new float[vertexCount];
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int start = valueMap.getInt("offset", 0);
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System.arraycopy(verticesValue.asFloatArray(), 0, vertices, start, verticesValue.size);
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if (scale != 1) {
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for (int i = start, n = i + verticesValue.size; i < n; i++)
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vertices[i] *= scale;
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}
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if (attachment instanceof MeshAttachment) {
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float[] meshVertices = ((MeshAttachment)attachment).getVertices();
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for (int i = 0; i < vertexCount; i++)
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vertices[i] += meshVertices[i];
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}
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}
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timeline.setFrame(frameIndex, valueMap.getFloat("time"), vertices);
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readCurve(timeline, frameIndex, valueMap);
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frameIndex++;
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}
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timelines.add(timeline);
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duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() - 1]);
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}
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}
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}
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// Draw order timeline.
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JsonValue drawOrdersMap = map.get("draworder");
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if (drawOrdersMap != null) {
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DrawOrderTimeline timeline = new DrawOrderTimeline(drawOrdersMap.size);
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int slotCount = skeletonData.slots.size;
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int frameIndex = 0;
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for (JsonValue drawOrderMap = drawOrdersMap.child; drawOrderMap != null; drawOrderMap = drawOrderMap.next) {
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int[] drawOrder = null;
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JsonValue offsets = drawOrderMap.get("offsets");
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if (offsets != null) {
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drawOrder = new int[slotCount];
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for (int i = slotCount - 1; i >= 0; i--)
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drawOrder[i] = -1;
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int[] unchanged = new int[slotCount - offsets.size];
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int originalIndex = 0, unchangedIndex = 0;
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for (JsonValue offsetMap = offsets.child; offsetMap != null; offsetMap = offsetMap.next) {
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int slotIndex = skeletonData.findSlotIndex(offsetMap.getString("slot"));
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if (slotIndex == -1) throw new SerializationException("Slot not found: " + offsetMap.getString("slot"));
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// Collect unchanged items.
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while (originalIndex != slotIndex)
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unchanged[unchangedIndex++] = originalIndex++;
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|
// Set changed items.
|
|
drawOrder[originalIndex + offsetMap.getInt("offset")] = originalIndex++;
|
|
}
|
|
// Collect remaining unchanged items.
|
|
while (originalIndex < slotCount)
|
|
unchanged[unchangedIndex++] = originalIndex++;
|
|
// Fill in unchanged items.
|
|
for (int i = slotCount - 1; i >= 0; i--)
|
|
if (drawOrder[i] == -1) drawOrder[i] = unchanged[--unchangedIndex];
|
|
}
|
|
timeline.setFrame(frameIndex++, drawOrderMap.getFloat("time"), drawOrder);
|
|
}
|
|
timelines.add(timeline);
|
|
duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() - 1]);
|
|
}
|
|
|
|
// Event timeline.
|
|
JsonValue eventsMap = map.get("events");
|
|
if (eventsMap != null) {
|
|
EventTimeline timeline = new EventTimeline(eventsMap.size);
|
|
int frameIndex = 0;
|
|
for (JsonValue eventMap = eventsMap.child; eventMap != null; eventMap = eventMap.next) {
|
|
EventData eventData = skeletonData.findEvent(eventMap.getString("name"));
|
|
if (eventData == null) throw new SerializationException("Event not found: " + eventMap.getString("name"));
|
|
Event event = new Event(eventData);
|
|
event.intValue = eventMap.getInt("int", eventData.getInt());
|
|
event.floatValue = eventMap.getFloat("float", eventData.getFloat());
|
|
event.stringValue = eventMap.getString("string", eventData.getString());
|
|
timeline.setFrame(frameIndex++, eventMap.getFloat("time"), event);
|
|
}
|
|
timelines.add(timeline);
|
|
duration = Math.max(duration, timeline.getFrames()[timeline.getFrameCount() - 1]);
|
|
}
|
|
|
|
timelines.shrink();
|
|
skeletonData.getAnimations().add(new Animation(name, timelines, duration));
|
|
}
|
|
|
|
void readCurve (CurveTimeline timeline, int frameIndex, JsonValue valueMap) {
|
|
JsonValue curve = valueMap.get("curve");
|
|
if (curve == null) return;
|
|
if (curve.isString() && curve.asString().equals("stepped"))
|
|
timeline.setStepped(frameIndex);
|
|
else if (curve.isArray()) {
|
|
timeline.setCurve(frameIndex, curve.getFloat(0), curve.getFloat(1), curve.getFloat(2), curve.getFloat(3));
|
|
}
|
|
}
|
|
}
|