mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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365 lines
16 KiB
Java
365 lines
16 KiB
Java
/******************************************************************************
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* Spine Runtime Software License - Version 1.1
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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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* Redistribution and use in source and binary forms in whole or in part, with
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* or without modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. A Spine Essential, Professional, Enterprise, or Education License must
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* be purchased from Esoteric Software and the license must remain valid:
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* http://esotericsoftware.com/
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* 2. Redistributions of source code must retain this license, which is the
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* above copyright notice, this declaration of conditions and the following
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* disclaimer.
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* 3. Redistributions in binary form must reproduce this license, which is the
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* above copyright notice, this declaration of conditions and the following
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* disclaimer, in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY 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 THIS
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* 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.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.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.RegionAttachment;
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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.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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static public final String TIMELINE_SCALE = "scale";
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static public final String TIMELINE_ROTATE = "rotate";
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static public final String TIMELINE_TRANSLATE = "translate";
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static public final String TIMELINE_ATTACHMENT = "attachment";
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static public final String TIMELINE_COLOR = "color";
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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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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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skeletonData.addBone(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.addSlot(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.addSkin(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.addEvent(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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name = map.getString("name", 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, map.getString("path", name));
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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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JsonValue verticesArray = map.require("vertices");
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float[] vertices = new float[verticesArray.size];
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int i = 0;
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for (JsonValue point = verticesArray.child; point != null; point = point.next())
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vertices[i++] = point.asFloat() * scale;
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box.setVertices(vertices);
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return box;
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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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Array<Timeline> timelines = new Array();
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float duration = 0;
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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(TIMELINE_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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float time = valueMap.getFloat("time");
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timeline.setFrame(frameIndex, 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(TIMELINE_TRANSLATE) || timelineName.equals(TIMELINE_SCALE)) {
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TranslateTimeline timeline;
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float timelineScale = 1;
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if (timelineName.equals(TIMELINE_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 time = valueMap.getFloat("time");
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float x = valueMap.getFloat("x", 0), y = valueMap.getFloat("y", 0);
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timeline.setFrame(frameIndex, 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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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(TIMELINE_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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float time = valueMap.getFloat("time");
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Color color = Color.valueOf(valueMap.getString("color"));
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timeline.setFrame(frameIndex, 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(TIMELINE_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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float time = valueMap.getFloat("time");
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timeline.setFrame(frameIndex++, time, valueMap.getString("name"));
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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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} 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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JsonValue eventsMap = map.get("events");
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if (eventsMap != null) {
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EventTimeline timeline = new EventTimeline(eventsMap.size);
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int frameIndex = 0;
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for (JsonValue eventMap = eventsMap.child; eventMap != null; eventMap = eventMap.next()) {
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EventData eventData = skeletonData.findEvent(eventMap.getString("name"));
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if (eventData == null) throw new SerializationException("Event not found: " + eventMap.getString("name"));
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Event event = new Event(eventData);
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event.intValue = eventMap.getInt("int", eventData.getInt());
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event.floatValue = eventMap.getFloat("float", eventData.getFloat());
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event.stringValue = eventMap.getString("string", eventData.getString());
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timeline.setFrame(frameIndex++, eventMap.getFloat("time"), event);
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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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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.
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drawOrder[originalIndex + offsetMap.getInt("offset")] = originalIndex++;
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}
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// Collect remaining unchanged items.
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while (originalIndex < slotCount)
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unchanged[unchangedIndex++] = originalIndex++;
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// Fill in unchanged items.
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for (int i = slotCount - 1; i >= 0; i--)
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if (drawOrder[i] == -1) drawOrder[i] = unchanged[--unchangedIndex];
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}
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timeline.setFrame(frameIndex++, drawOrderMap.getFloat("time"), drawOrder);
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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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timelines.shrink();
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skeletonData.addAnimation(new Animation(name, timelines, duration));
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}
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void readCurve (CurveTimeline timeline, int frameIndex, JsonValue valueMap) {
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JsonValue curve = valueMap.get("curve");
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if (curve == null) return;
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if (curve.isString() && curve.asString().equals("stepped"))
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timeline.setStepped(frameIndex);
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else if (curve.isArray()) {
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timeline.setCurve(frameIndex, curve.getFloat(0), curve.getFloat(1), curve.getFloat(2), curve.getFloat(3));
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}
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}
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}
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