/******************************************************************************
* 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 java.io.EOFException;
import java.io.IOException;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.DataInput;
import com.badlogic.gdx.utils.FloatArray;
import com.badlogic.gdx.utils.IntArray;
import com.badlogic.gdx.utils.SerializationException;
import com.esotericsoftware.spine.Animation.AttachmentTimeline;
import com.esotericsoftware.spine.Animation.ColorTimeline;
import com.esotericsoftware.spine.Animation.CurveTimeline;
import com.esotericsoftware.spine.Animation.DeformTimeline;
import com.esotericsoftware.spine.Animation.DrawOrderTimeline;
import com.esotericsoftware.spine.Animation.EventTimeline;
import com.esotericsoftware.spine.Animation.IkConstraintTimeline;
import com.esotericsoftware.spine.Animation.PathConstraintMixTimeline;
import com.esotericsoftware.spine.Animation.PathConstraintPositionTimeline;
import com.esotericsoftware.spine.Animation.PathConstraintSpacingTimeline;
import com.esotericsoftware.spine.Animation.RotateTimeline;
import com.esotericsoftware.spine.Animation.ScaleTimeline;
import com.esotericsoftware.spine.Animation.ShearTimeline;
import com.esotericsoftware.spine.Animation.Timeline;
import com.esotericsoftware.spine.Animation.TransformConstraintTimeline;
import com.esotericsoftware.spine.Animation.TranslateTimeline;
import com.esotericsoftware.spine.BoneData.TransformMode;
import com.esotericsoftware.spine.PathConstraintData.PositionMode;
import com.esotericsoftware.spine.PathConstraintData.RotateMode;
import com.esotericsoftware.spine.PathConstraintData.SpacingMode;
import com.esotericsoftware.spine.SkeletonJson.LinkedMesh;
import com.esotericsoftware.spine.attachments.AtlasAttachmentLoader;
import com.esotericsoftware.spine.attachments.Attachment;
import com.esotericsoftware.spine.attachments.AttachmentLoader;
import com.esotericsoftware.spine.attachments.AttachmentType;
import com.esotericsoftware.spine.attachments.BoundingBoxAttachment;
import com.esotericsoftware.spine.attachments.MeshAttachment;
import com.esotericsoftware.spine.attachments.PathAttachment;
import com.esotericsoftware.spine.attachments.RegionAttachment;
import com.esotericsoftware.spine.attachments.VertexAttachment;
/** Loads skeleton data in the Spine binary format.
* <p>
* See <a href="http://esotericsoftware.com/spine-binary-format">Spine binary format</a> and
* <a href="http://esotericsoftware.com/spine-loading-skeleton-data#JSON-and-binary-data">JSON and binary data</a> in the Spine
* Runtimes Guide. */
public class SkeletonBinary {
static public final int BONE_ROTATE = 0;
static public final int BONE_TRANSLATE = 1;
static public final int BONE_SCALE = 2;
static public final int BONE_SHEAR = 3;
static public final int SLOT_ATTACHMENT = 0;
static public final int SLOT_COLOR = 1;
static public final int PATH_POSITION = 0;
static public final int PATH_SPACING = 1;
static public final int PATH_MIX = 2;
static public final int CURVE_LINEAR = 0;
static public final int CURVE_STEPPED = 1;
static public final int CURVE_BEZIER = 2;
static private final Color tempColor = new Color();
private final AttachmentLoader attachmentLoader;
private float scale = 1;
private Array<LinkedMesh> linkedMeshes = new Array();
public SkeletonBinary (TextureAtlas atlas) {
attachmentLoader = new AtlasAttachmentLoader(atlas);
}
public SkeletonBinary (AttachmentLoader attachmentLoader) {
if (attachmentLoader == null) throw new IllegalArgumentException("attachmentLoader cannot be null.");
this.attachmentLoader = attachmentLoader;
}
/** Scales bone positions, image sizes, and translations as they are loaded. This allows different size images to be used at
* runtime than were used in Spine.
* <p>
* See <a href="http://esotericsoftware.com/spine-loading-skeleton-data#Scaling">Scaling</a> in the Spine Runtimes Guide. */
public float getScale () {
return scale;
}
public void setScale (float scale) {
this.scale = scale;
}
public SkeletonData readSkeletonData (FileHandle file) {
if (file == null) throw new IllegalArgumentException("file cannot be null.");
float scale = this.scale;
SkeletonData skeletonData = new SkeletonData();
skeletonData.name = file.nameWithoutExtension();
DataInput input = new DataInput(file.read(512)) {
private char[] chars = new char[32];
public String readString () throws IOException {
int byteCount = readInt(true);
switch (byteCount) {
case 0:
return null;
case 1:
return "";
}
byteCount--;
if (chars.length < byteCount) chars = new char[byteCount];
char[] chars = this.chars;
int charCount = 0;
for (int i = 0; i < byteCount;) {
int b = read();
switch (b >> 4) {
case -1:
throw new EOFException();
case 12:
case 13:
chars[charCount++] = (char)((b & 0x1F) << 6 | read() & 0x3F);
i += 2;
break;
case 14:
chars[charCount++] = (char)((b & 0x0F) << 12 | (read() & 0x3F) << 6 | read() & 0x3F);
i += 3;
break;
default:
chars[charCount++] = (char)b;
i++;
}
}
return new String(chars, 0, charCount);
}
};
try {
skeletonData.hash = input.readString();
if (skeletonData.hash.isEmpty()) skeletonData.hash = null;
skeletonData.version = input.readString();
if (skeletonData.version.isEmpty()) skeletonData.version = null;
skeletonData.width = input.readFloat();
skeletonData.height = input.readFloat();
boolean nonessential = input.readBoolean();
if (nonessential) {
skeletonData.fps = input.readFloat();
skeletonData.imagesPath = input.readString();
if (skeletonData.imagesPath.isEmpty()) skeletonData.imagesPath = null;
}
// Bones.
for (int i = 0, n = input.readInt(true); i < n; i++) {
String name = input.readString();
BoneData parent = i == 0 ? null : skeletonData.bones.get(input.readInt(true));
BoneData data = new BoneData(i, name, parent);
data.rotation = input.readFloat();
data.x = input.readFloat() * scale;
data.y = input.readFloat() * scale;
data.scaleX = input.readFloat();
data.scaleY = input.readFloat();
data.shearX = input.readFloat();
data.shearY = input.readFloat();
data.length = input.readFloat() * scale;
data.transformMode = TransformMode.values[input.readInt(true)];
if (nonessential) Color.rgba8888ToColor(data.color, input.readInt());
skeletonData.bones.add(data);
}
// Slots.
for (int i = 0, n = input.readInt(true); i < n; i++) {
String slotName = input.readString();
BoneData boneData = skeletonData.bones.get(input.readInt(true));
SlotData data = new SlotData(i, slotName, boneData);
Color.rgba8888ToColor(data.color, input.readInt());
data.attachmentName = input.readString();
data.blendMode = BlendMode.values[input.readInt(true)];
skeletonData.slots.add(data);
}
// IK constraints.
for (int i = 0, n = input.readInt(true); i < n; i++) {
IkConstraintData data = new IkConstraintData(input.readString());
data.order = input.readInt(true);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++)
data.bones.add(skeletonData.bones.get(input.readInt(true)));
data.target = skeletonData.bones.get(input.readInt(true));
data.mix = input.readFloat();
data.bendDirection = input.readByte();
skeletonData.ikConstraints.add(data);
}
// Transform constraints.
for (int i = 0, n = input.readInt(true); i < n; i++) {
TransformConstraintData data = new TransformConstraintData(input.readString());
data.order = input.readInt(true);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++)
data.bones.add(skeletonData.bones.get(input.readInt(true)));
data.target = skeletonData.bones.get(input.readInt(true));
data.offsetRotation = input.readFloat();
data.offsetX = input.readFloat() * scale;
data.offsetY = input.readFloat() * scale;
data.offsetScaleX = input.readFloat();
data.offsetScaleY = input.readFloat();
data.offsetShearY = input.readFloat();
data.rotateMix = input.readFloat();
data.translateMix = input.readFloat();
data.scaleMix = input.readFloat();
data.shearMix = input.readFloat();
skeletonData.transformConstraints.add(data);
}
// Path constraints.
for (int i = 0, n = input.readInt(true); i < n; i++) {
PathConstraintData data = new PathConstraintData(input.readString());
data.order = input.readInt(true);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++)
data.bones.add(skeletonData.bones.get(input.readInt(true)));
data.target = skeletonData.slots.get(input.readInt(true));
data.positionMode = PositionMode.values[input.readInt(true)];
data.spacingMode = SpacingMode.values[input.readInt(true)];
data.rotateMode = RotateMode.values[input.readInt(true)];
data.offsetRotation = input.readFloat();
data.position = input.readFloat();
if (data.positionMode == PositionMode.fixed) data.position *= scale;
data.spacing = input.readFloat();
if (data.spacingMode == SpacingMode.length || data.spacingMode == SpacingMode.fixed) data.spacing *= scale;
data.rotateMix = input.readFloat();
data.translateMix = input.readFloat();
skeletonData.pathConstraints.add(data);
}
// Default skin.
Skin defaultSkin = readSkin(input, "default", nonessential);
if (defaultSkin != null) {
skeletonData.defaultSkin = defaultSkin;
skeletonData.skins.add(defaultSkin);
}
// Skins.
for (int i = 0, n = input.readInt(true); i < n; i++)
skeletonData.skins.add(readSkin(input, input.readString(), nonessential));
// Linked meshes.
for (int i = 0, n = linkedMeshes.size; i < n; i++) {
LinkedMesh linkedMesh = linkedMeshes.get(i);
Skin skin = linkedMesh.skin == null ? skeletonData.getDefaultSkin() : skeletonData.findSkin(linkedMesh.skin);
if (skin == null) throw new SerializationException("Skin not found: " + linkedMesh.skin);
Attachment parent = skin.getAttachment(linkedMesh.slotIndex, linkedMesh.parent);
if (parent == null) throw new SerializationException("Parent mesh not found: " + linkedMesh.parent);
linkedMesh.mesh.setParentMesh((MeshAttachment)parent);
linkedMesh.mesh.updateUVs();
}
linkedMeshes.clear();
// Events.
for (int i = 0, n = input.readInt(true); i < n; i++) {
EventData data = new EventData(input.readString());
data.intValue = input.readInt(false);
data.floatValue = input.readFloat();
data.stringValue = input.readString();
skeletonData.events.add(data);
}
// Animations.
for (int i = 0, n = input.readInt(true); i < n; i++)
readAnimation(input.readString(), input, skeletonData);
} catch (IOException ex) {
throw new SerializationException("Error reading skeleton file.", ex);
} finally {
try {
input.close();
} catch (IOException ignored) {
}
}
skeletonData.bones.shrink();
skeletonData.slots.shrink();
skeletonData.skins.shrink();
skeletonData.events.shrink();
skeletonData.animations.shrink();
skeletonData.ikConstraints.shrink();
return skeletonData;
}
/** @return May be null. */
private Skin readSkin (DataInput input, String skinName, boolean nonessential) throws IOException {
int slotCount = input.readInt(true);
if (slotCount == 0) return null;
Skin skin = new Skin(skinName);
for (int i = 0; i < slotCount; i++) {
int slotIndex = input.readInt(true);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++) {
String name = input.readString();
Attachment attachment = readAttachment(input, skin, slotIndex, name, nonessential);
if (attachment != null) skin.addAttachment(slotIndex, name, attachment);
}
}
return skin;
}
private Attachment readAttachment (DataInput input, Skin skin, int slotIndex, String attachmentName, boolean nonessential)
throws IOException {
float scale = this.scale;
String name = input.readString();
if (name == null) name = attachmentName;
AttachmentType type = AttachmentType.values[input.readByte()];
switch (type) {
case region: {
String path = input.readString();
float rotation = input.readFloat();
float x = input.readFloat();
float y = input.readFloat();
float scaleX = input.readFloat();
float scaleY = input.readFloat();
float width = input.readFloat();
float height = input.readFloat();
int color = input.readInt();
if (path == null) path = name;
RegionAttachment region = attachmentLoader.newRegionAttachment(skin, name, path);
if (region == null) return null;
region.setPath(path);
region.setX(x * scale);
region.setY(y * scale);
region.setScaleX(scaleX);
region.setScaleY(scaleY);
region.setRotation(rotation);
region.setWidth(width * scale);
region.setHeight(height * scale);
Color.rgba8888ToColor(region.getColor(), color);
region.updateOffset();
return region;
}
case boundingbox: {
int vertexCount = input.readInt(true);
Vertices vertices = readVertices(input, vertexCount);
int color = nonessential ? input.readInt() : 0;
BoundingBoxAttachment box = attachmentLoader.newBoundingBoxAttachment(skin, name);
if (box == null) return null;
box.setWorldVerticesLength(vertexCount << 1);
box.setVertices(vertices.vertices);
box.setBones(vertices.bones);
if (nonessential) Color.rgba8888ToColor(box.getColor(), color);
return box;
}
case mesh: {
String path = input.readString();
int color = input.readInt();
int vertexCount = input.readInt(true);
float[] uvs = readFloatArray(input, vertexCount << 1, 1);
short[] triangles = readShortArray(input);
Vertices vertices = readVertices(input, vertexCount);
int hullLength = input.readInt(true);
short[] edges = null;
float width = 0, height = 0;
if (nonessential) {
edges = readShortArray(input);
width = input.readFloat();
height = input.readFloat();
}
if (path == null) path = name;
MeshAttachment mesh = attachmentLoader.newMeshAttachment(skin, name, path);
if (mesh == null) return null;
mesh.setPath(path);
Color.rgba8888ToColor(mesh.getColor(), color);
mesh.setBones(vertices.bones);
mesh.setVertices(vertices.vertices);
mesh.setWorldVerticesLength(vertexCount << 1);
mesh.setTriangles(triangles);
mesh.setRegionUVs(uvs);
mesh.updateUVs();
mesh.setHullLength(hullLength << 1);
if (nonessential) {
mesh.setEdges(edges);
mesh.setWidth(width * scale);
mesh.setHeight(height * scale);
}
return mesh;
}
case linkedmesh: {
String path = input.readString();
int color = input.readInt();
String skinName = input.readString();
String parent = input.readString();
boolean inheritDeform = input.readBoolean();
float width = 0, height = 0;
if (nonessential) {
width = input.readFloat();
height = input.readFloat();
}
if (path == null) path = name;
MeshAttachment mesh = attachmentLoader.newMeshAttachment(skin, name, path);
if (mesh == null) return null;
mesh.setPath(path);
Color.rgba8888ToColor(mesh.getColor(), color);
mesh.setInheritDeform(inheritDeform);
if (nonessential) {
mesh.setWidth(width * scale);
mesh.setHeight(height * scale);
}
linkedMeshes.add(new LinkedMesh(mesh, skinName, slotIndex, parent));
return mesh;
}
case path: {
boolean closed = input.readBoolean();
boolean constantSpeed = input.readBoolean();
int vertexCount = input.readInt(true);
Vertices vertices = readVertices(input, vertexCount);
float[] lengths = new float[vertexCount / 3];
for (int i = 0, n = lengths.length; i < n; i++)
lengths[i] = input.readFloat() * scale;
int color = nonessential ? input.readInt() : 0;
PathAttachment path = attachmentLoader.newPathAttachment(skin, name);
if (path == null) return null;
path.setClosed(closed);
path.setConstantSpeed(constantSpeed);
path.setWorldVerticesLength(vertexCount << 1);
path.setVertices(vertices.vertices);
path.setBones(vertices.bones);
path.setLengths(lengths);
if (nonessential) Color.rgba8888ToColor(path.getColor(), color);
return path;
}
}
return null;
}
private Vertices readVertices (DataInput input, int vertexCount) throws IOException {
int verticesLength = vertexCount << 1;
Vertices vertices = new Vertices();
if (!input.readBoolean()) {
vertices.vertices = readFloatArray(input, verticesLength, scale);
return vertices;
}
FloatArray weights = new FloatArray(verticesLength * 3 * 3);
IntArray bonesArray = new IntArray(verticesLength * 3);
for (int i = 0; i < vertexCount; i++) {
int boneCount = input.readInt(true);
bonesArray.add(boneCount);
for (int ii = 0; ii < boneCount; ii++) {
bonesArray.add(input.readInt(true));
weights.add(input.readFloat() * scale);
weights.add(input.readFloat() * scale);
weights.add(input.readFloat());
}
}
vertices.vertices = weights.toArray();
vertices.bones = bonesArray.toArray();
return vertices;
}
private float[] readFloatArray (DataInput input, int n, float scale) throws IOException {
float[] array = new float[n];
if (scale == 1) {
for (int i = 0; i < n; i++)
array[i] = input.readFloat();
} else {
for (int i = 0; i < n; i++)
array[i] = input.readFloat() * scale;
}
return array;
}
private short[] readShortArray (DataInput input) throws IOException {
int n = input.readInt(true);
short[] array = new short[n];
for (int i = 0; i < n; i++)
array[i] = input.readShort();
return array;
}
private void readAnimation (String name, DataInput input, SkeletonData skeletonData) {
Array<Timeline> timelines = new Array();
float scale = this.scale;
float duration = 0;
try {
// Slot timelines.
for (int i = 0, n = input.readInt(true); i < n; i++) {
int slotIndex = input.readInt(true);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++) {
int timelineType = input.readByte();
int frameCount = input.readInt(true);
switch (timelineType) {
case SLOT_COLOR: {
ColorTimeline timeline = new ColorTimeline(frameCount);
timeline.slotIndex = slotIndex;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
float time = input.readFloat();
Color.rgba8888ToColor(tempColor, input.readInt());
timeline.setFrame(frameIndex, time, tempColor.r, tempColor.g, tempColor.b, tempColor.a);
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * ColorTimeline.ENTRIES]);
break;
}
case SLOT_ATTACHMENT:
AttachmentTimeline timeline = new AttachmentTimeline(frameCount);
timeline.slotIndex = slotIndex;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
timeline.setFrame(frameIndex, input.readFloat(), input.readString());
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[frameCount - 1]);
break;
}
}
}
// Bone timelines.
for (int i = 0, n = input.readInt(true); i < n; i++) {
int boneIndex = input.readInt(true);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++) {
int timelineType = input.readByte();
int frameCount = input.readInt(true);
switch (timelineType) {
case BONE_ROTATE: {
RotateTimeline timeline = new RotateTimeline(frameCount);
timeline.boneIndex = boneIndex;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
timeline.setFrame(frameIndex, input.readFloat(), input.readFloat());
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * RotateTimeline.ENTRIES]);
break;
}
case BONE_TRANSLATE:
case BONE_SCALE:
case BONE_SHEAR: {
TranslateTimeline timeline;
float timelineScale = 1;
if (timelineType == BONE_SCALE)
timeline = new ScaleTimeline(frameCount);
else if (timelineType == BONE_SHEAR)
timeline = new ShearTimeline(frameCount);
else {
timeline = new TranslateTimeline(frameCount);
timelineScale = scale;
}
timeline.boneIndex = boneIndex;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
timeline.setFrame(frameIndex, input.readFloat(), input.readFloat() * timelineScale,
input.readFloat() * timelineScale);
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * TranslateTimeline.ENTRIES]);
break;
}
}
}
}
// IK constraint timelines.
for (int i = 0, n = input.readInt(true); i < n; i++) {
int index = input.readInt(true);
int frameCount = input.readInt(true);
IkConstraintTimeline timeline = new IkConstraintTimeline(frameCount);
timeline.ikConstraintIndex = index;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
timeline.setFrame(frameIndex, input.readFloat(), input.readFloat(), input.readByte());
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * IkConstraintTimeline.ENTRIES]);
}
// Transform constraint timelines.
for (int i = 0, n = input.readInt(true); i < n; i++) {
int index = input.readInt(true);
int frameCount = input.readInt(true);
TransformConstraintTimeline timeline = new TransformConstraintTimeline(frameCount);
timeline.transformConstraintIndex = index;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
timeline.setFrame(frameIndex, input.readFloat(), input.readFloat(), input.readFloat(), input.readFloat(),
input.readFloat());
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * TransformConstraintTimeline.ENTRIES]);
}
// Path constraint timelines.
for (int i = 0, n = input.readInt(true); i < n; i++) {
int index = input.readInt(true);
PathConstraintData data = skeletonData.pathConstraints.get(index);
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++) {
int timelineType = input.readByte();
int frameCount = input.readInt(true);
switch (timelineType) {
case PATH_POSITION:
case PATH_SPACING: {
PathConstraintPositionTimeline timeline;
float timelineScale = 1;
if (timelineType == PATH_SPACING) {
timeline = new PathConstraintSpacingTimeline(frameCount);
if (data.spacingMode == SpacingMode.length || data.spacingMode == SpacingMode.fixed) timelineScale = scale;
} else {
timeline = new PathConstraintPositionTimeline(frameCount);
if (data.positionMode == PositionMode.fixed) timelineScale = scale;
}
timeline.pathConstraintIndex = index;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
timeline.setFrame(frameIndex, input.readFloat(), input.readFloat() * timelineScale);
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * PathConstraintPositionTimeline.ENTRIES]);
break;
}
case PATH_MIX: {
PathConstraintMixTimeline timeline = new PathConstraintMixTimeline(frameCount);
timeline.pathConstraintIndex = index;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
timeline.setFrame(frameIndex, input.readFloat(), input.readFloat(), input.readFloat());
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[(frameCount - 1) * PathConstraintMixTimeline.ENTRIES]);
break;
}
}
}
}
// Deform timelines.
for (int i = 0, n = input.readInt(true); i < n; i++) {
Skin skin = skeletonData.skins.get(input.readInt(true));
for (int ii = 0, nn = input.readInt(true); ii < nn; ii++) {
int slotIndex = input.readInt(true);
for (int iii = 0, nnn = input.readInt(true); iii < nnn; iii++) {
VertexAttachment attachment = (VertexAttachment)skin.getAttachment(slotIndex, input.readString());
boolean weighted = attachment.getBones() != null;
float[] vertices = attachment.getVertices();
int deformLength = weighted ? vertices.length / 3 * 2 : vertices.length;
int frameCount = input.readInt(true);
DeformTimeline timeline = new DeformTimeline(frameCount);
timeline.slotIndex = slotIndex;
timeline.attachment = attachment;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++) {
float time = input.readFloat();
float[] deform;
int end = input.readInt(true);
if (end == 0)
deform = weighted ? new float[deformLength] : vertices;
else {
deform = new float[deformLength];
int start = input.readInt(true);
end += start;
if (scale == 1) {
for (int v = start; v < end; v++)
deform[v] = input.readFloat();
} else {
for (int v = start; v < end; v++)
deform[v] = input.readFloat() * scale;
}
if (!weighted) {
for (int v = 0, vn = deform.length; v < vn; v++)
deform[v] += vertices[v];
}
}
timeline.setFrame(frameIndex, time, deform);
if (frameIndex < frameCount - 1) readCurve(input, frameIndex, timeline);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[frameCount - 1]);
}
}
}
// Draw order timeline.
int drawOrderCount = input.readInt(true);
if (drawOrderCount > 0) {
DrawOrderTimeline timeline = new DrawOrderTimeline(drawOrderCount);
int slotCount = skeletonData.slots.size;
for (int i = 0; i < drawOrderCount; i++) {
float time = input.readFloat();
int offsetCount = input.readInt(true);
int[] drawOrder = new int[slotCount];
for (int ii = slotCount - 1; ii >= 0; ii--)
drawOrder[ii] = -1;
int[] unchanged = new int[slotCount - offsetCount];
int originalIndex = 0, unchangedIndex = 0;
for (int ii = 0; ii < offsetCount; ii++) {
int slotIndex = input.readInt(true);
// Collect unchanged items.
while (originalIndex != slotIndex)
unchanged[unchangedIndex++] = originalIndex++;
// Set changed items.
drawOrder[originalIndex + input.readInt(true)] = originalIndex++;
}
// Collect remaining unchanged items.
while (originalIndex < slotCount)
unchanged[unchangedIndex++] = originalIndex++;
// Fill in unchanged items.
for (int ii = slotCount - 1; ii >= 0; ii--)
if (drawOrder[ii] == -1) drawOrder[ii] = unchanged[--unchangedIndex];
timeline.setFrame(i, time, drawOrder);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[drawOrderCount - 1]);
}
// Event timeline.
int eventCount = input.readInt(true);
if (eventCount > 0) {
EventTimeline timeline = new EventTimeline(eventCount);
for (int i = 0; i < eventCount; i++) {
float time = input.readFloat();
EventData eventData = skeletonData.events.get(input.readInt(true));
Event event = new Event(time, eventData);
event.intValue = input.readInt(false);
event.floatValue = input.readFloat();
event.stringValue = input.readBoolean() ? input.readString() : eventData.stringValue;
timeline.setFrame(i, event);
}
timelines.add(timeline);
duration = Math.max(duration, timeline.getFrames()[eventCount - 1]);
}
} catch (IOException ex) {
throw new SerializationException("Error reading skeleton file.", ex);
}
timelines.shrink();
skeletonData.animations.add(new Animation(name, timelines, duration));
}
private void readCurve (DataInput input, int frameIndex, CurveTimeline timeline) throws IOException {
switch (input.readByte()) {
case CURVE_STEPPED:
timeline.setStepped(frameIndex);
break;
case CURVE_BEZIER:
setCurve(timeline, frameIndex, input.readFloat(), input.readFloat(), input.readFloat(), input.readFloat());
break;
}
}
void setCurve (CurveTimeline timeline, int frameIndex, float cx1, float cy1, float cx2, float cy2) {
timeline.setCurve(frameIndex, cx1, cy1, cx2, cy2);
}
static class Vertices {
int[] bones;
float[] vertices;
}
}