mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
synced 2026-02-09 16:48:43 +08:00
416 lines
17 KiB
C#
416 lines
17 KiB
C#
/******************************************************************************
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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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using System;
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using System.IO;
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using System.Collections.Generic;
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#if WINDOWS_STOREAPP
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using System.Threading.Tasks;
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using Windows.Storage;
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#endif
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namespace Spine {
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public class SkeletonJson {
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private AttachmentLoader attachmentLoader;
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public float Scale { get; set; }
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public SkeletonJson (Atlas atlas)
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: this(new AtlasAttachmentLoader(atlas)) {
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}
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public SkeletonJson (AttachmentLoader attachmentLoader) {
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if (attachmentLoader == null) throw new ArgumentNullException("attachmentLoader cannot be null.");
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this.attachmentLoader = attachmentLoader;
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Scale = 1;
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}
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#if WINDOWS_STOREAPP
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private async Task<SkeletonData> ReadFile(string path) {
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var folder = Windows.ApplicationModel.Package.Current.InstalledLocation;
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var file = await folder.GetFileAsync(path).AsTask().ConfigureAwait(false);
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using (var reader = new StreamReader(await file.OpenStreamForReadAsync().ConfigureAwait(false))) {
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SkeletonData skeletonData = ReadSkeletonData(reader);
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skeletonData.Name = Path.GetFileNameWithoutExtension(path);
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return skeletonData;
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}
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}
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public SkeletonData ReadSkeletonData (String path) {
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return this.ReadFile(path).Result;
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}
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#else
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public SkeletonData ReadSkeletonData (String path) {
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#if WINDOWS_PHONE
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Stream stream = Microsoft.Xna.Framework.TitleContainer.OpenStream(path);
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using (StreamReader reader = new StreamReader(stream))
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{
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#else
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using (StreamReader reader = new StreamReader(path)) {
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#endif
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SkeletonData skeletonData = ReadSkeletonData(reader);
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skeletonData.name = Path.GetFileNameWithoutExtension(path);
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return skeletonData;
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}
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}
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#endif
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public SkeletonData ReadSkeletonData (TextReader reader) {
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if (reader == null) throw new ArgumentNullException("reader cannot be null.");
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SkeletonData skeletonData = new SkeletonData();
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var root = Json.Deserialize(reader) as Dictionary<String, Object>;
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if (root == null) throw new Exception("Invalid JSON.");
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// Bones.
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foreach (Dictionary<String, Object> boneMap in (List<Object>)root["bones"]) {
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BoneData parent = null;
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if (boneMap.ContainsKey("parent")) {
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parent = skeletonData.FindBone((String)boneMap["parent"]);
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if (parent == null)
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throw new Exception("Parent bone not found: " + boneMap["parent"]);
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}
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BoneData boneData = new BoneData((String)boneMap["name"], parent);
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boneData.length = GetFloat(boneMap, "length", 0) * Scale;
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boneData.x = GetFloat(boneMap, "x", 0) * Scale;
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boneData.y = GetFloat(boneMap, "y", 0) * Scale;
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boneData.rotation = GetFloat(boneMap, "rotation", 0);
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boneData.scaleX = GetFloat(boneMap, "scaleX", 1);
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boneData.scaleY = GetFloat(boneMap, "scaleY", 1);
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boneData.inheritScale = GetBoolean(boneMap, "inheritScale", true);
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boneData.inheritRotation = GetBoolean(boneMap, "inheritRotation", true);
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skeletonData.AddBone(boneData);
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}
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// Slots.
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if (root.ContainsKey("slots")) {
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foreach (Dictionary<String, Object> slotMap in (List<Object>)root["slots"]) {
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String slotName = (String)slotMap["name"];
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String boneName = (String)slotMap["bone"];
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BoneData boneData = skeletonData.FindBone(boneName);
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if (boneData == null)
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throw new Exception("Slot bone not found: " + boneName);
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SlotData slotData = new SlotData(slotName, boneData);
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if (slotMap.ContainsKey("color")) {
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String color = (String)slotMap["color"];
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slotData.r = ToColor(color, 0);
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slotData.g = ToColor(color, 1);
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slotData.b = ToColor(color, 2);
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slotData.a = ToColor(color, 3);
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}
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if (slotMap.ContainsKey("attachment"))
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slotData.attachmentName = (String)slotMap["attachment"];
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if (slotMap.ContainsKey("additive"))
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slotData.additiveBlending = (bool)slotMap["additive"];
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skeletonData.AddSlot(slotData);
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}
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}
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// Skins.
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if (root.ContainsKey("skins")) {
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foreach (KeyValuePair<String, Object> entry in (Dictionary<String, Object>)root["skins"]) {
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Skin skin = new Skin(entry.Key);
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foreach (KeyValuePair<String, Object> slotEntry in (Dictionary<String, Object>)entry.Value) {
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int slotIndex = skeletonData.FindSlotIndex(slotEntry.Key);
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foreach (KeyValuePair<String, Object> attachmentEntry in ((Dictionary<String, Object>)slotEntry.Value)) {
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Attachment attachment = ReadAttachment(skin, attachmentEntry.Key, (Dictionary<String, Object>)attachmentEntry.Value);
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if (attachment != null) skin.AddAttachment(slotIndex, attachmentEntry.Key, attachment);
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}
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}
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skeletonData.AddSkin(skin);
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if (skin.name == "default")
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skeletonData.defaultSkin = skin;
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}
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}
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// Events.
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if (root.ContainsKey("events")) {
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foreach (KeyValuePair<String, Object> entry in (Dictionary<String, Object>)root["events"]) {
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var entryMap = (Dictionary<String, Object>)entry.Value;
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EventData eventData = new EventData(entry.Key);
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eventData.Int = GetInt(entryMap, "int", 0);
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eventData.Float = GetFloat(entryMap, "float", 0);
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eventData.String = GetString(entryMap, "string", null);
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skeletonData.AddEvent(eventData);
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}
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}
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// Animations.
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if (root.ContainsKey("animations")) {
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foreach (KeyValuePair<String, Object> entry in (Dictionary<String, Object>)root["animations"])
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ReadAnimation(entry.Key, (Dictionary<String, Object>)entry.Value, skeletonData);
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}
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skeletonData.bones.TrimExcess();
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skeletonData.slots.TrimExcess();
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skeletonData.skins.TrimExcess();
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skeletonData.animations.TrimExcess();
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return skeletonData;
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}
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private Attachment ReadAttachment (Skin skin, String name, Dictionary<String, Object> map) {
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if (map.ContainsKey("name"))
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name = (String)map["name"];
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AttachmentType type = AttachmentType.region;
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if (map.ContainsKey("type"))
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type = (AttachmentType)Enum.Parse(typeof(AttachmentType), (String)map["type"], false);
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Attachment attachment = attachmentLoader.NewAttachment(skin, type, name);
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RegionAttachment regionAttachment = attachment as RegionAttachment;
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if (regionAttachment != null) {
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regionAttachment.x = GetFloat(map, "x", 0) * Scale;
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regionAttachment.y = GetFloat(map, "y", 0) * Scale;
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regionAttachment.scaleX = GetFloat(map, "scaleX", 1);
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regionAttachment.scaleY = GetFloat(map, "scaleY", 1);
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regionAttachment.rotation = GetFloat(map, "rotation", 0);
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regionAttachment.width = GetFloat(map, "width", 32) * Scale;
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regionAttachment.height = GetFloat(map, "height", 32) * Scale;
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regionAttachment.UpdateOffset();
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}
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BoundingBoxAttachment boundingBox = attachment as BoundingBoxAttachment;
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if (boundingBox != null) {
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List<Object> values = (List<Object>)map["vertices"];
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float[] vertices = new float[values.Count];
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for (int i = 0, n = values.Count; i < n; i++)
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vertices[i] = (float)values[i] * Scale;
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boundingBox.Vertices = vertices;
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}
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return attachment;
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}
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private float GetFloat (Dictionary<String, Object> map, String name, float defaultValue) {
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if (!map.ContainsKey(name))
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return defaultValue;
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return (float)map[name];
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}
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private int GetInt (Dictionary<String, Object> map, String name, int defaultValue) {
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if (!map.ContainsKey(name))
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return defaultValue;
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return (int)(float)map[name];
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}
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private bool GetBoolean (Dictionary<String, Object> map, String name, bool defaultValue) {
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if (!map.ContainsKey(name))
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return defaultValue;
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return (bool)map[name];
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}
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private String GetString (Dictionary<String, Object> map, String name, String defaultValue) {
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if (!map.ContainsKey(name))
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return defaultValue;
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return (String)map[name];
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}
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public static float ToColor (String hexString, int colorIndex) {
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if (hexString.Length != 8)
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throw new ArgumentException("Color hexidecimal length must be 8, recieved: " + hexString);
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return Convert.ToInt32(hexString.Substring(colorIndex * 2, 2), 16) / (float)255;
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}
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private void ReadAnimation (String name, Dictionary<String, Object> map, SkeletonData skeletonData) {
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var timelines = new List<Timeline>();
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float duration = 0;
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if (map.ContainsKey("bones")) {
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foreach (KeyValuePair<String, Object> entry in (Dictionary<String, Object>)map["bones"]) {
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String boneName = entry.Key;
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int boneIndex = skeletonData.FindBoneIndex(boneName);
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if (boneIndex == -1)
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throw new Exception("Bone not found: " + boneName);
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var timelineMap = (Dictionary<String, Object>)entry.Value;
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foreach (KeyValuePair<String, Object> timelineEntry in timelineMap) {
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var values = (List<Object>)timelineEntry.Value;
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String timelineName = (String)timelineEntry.Key;
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if (timelineName.Equals("rotate")) {
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RotateTimeline timeline = new RotateTimeline(values.Count);
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timeline.boneIndex = boneIndex;
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int frameIndex = 0;
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foreach (Dictionary<String, Object> valueMap in values) {
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float time = (float)valueMap["time"];
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timeline.SetFrame(frameIndex, time, (float)valueMap["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.frames[timeline.FrameCount * 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(values.Count);
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else {
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timeline = new TranslateTimeline(values.Count);
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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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foreach (Dictionary<String, Object> valueMap in values) {
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float time = (float)valueMap["time"];
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float x = valueMap.ContainsKey("x") ? (float)valueMap["x"] : 0;
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float y = valueMap.ContainsKey("y") ? (float)valueMap["y"] : 0;
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timeline.SetFrame(frameIndex, time, (float)x * timelineScale, (float)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.frames[timeline.FrameCount * 3 - 3]);
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} else
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throw new Exception("Invalid timeline type for a bone: " + timelineName + " (" + boneName + ")");
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}
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}
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}
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if (map.ContainsKey("slots")) {
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foreach (KeyValuePair<String, Object> entry in (Dictionary<String, Object>)map["slots"]) {
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String slotName = entry.Key;
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int slotIndex = skeletonData.FindSlotIndex(slotName);
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var timelineMap = (Dictionary<String, Object>)entry.Value;
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foreach (KeyValuePair<String, Object> timelineEntry in timelineMap) {
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var values = (List<Object>)timelineEntry.Value;
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String timelineName = (String)timelineEntry.Key;
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if (timelineName.Equals("color")) {
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ColorTimeline timeline = new ColorTimeline(values.Count);
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timeline.slotIndex = slotIndex;
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int frameIndex = 0;
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foreach (Dictionary<String, Object> valueMap in values) {
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float time = (float)valueMap["time"];
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String c = (String)valueMap["color"];
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timeline.setFrame(frameIndex, time, ToColor(c, 0), ToColor(c, 1), ToColor(c, 2), ToColor(c, 3));
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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.frames[timeline.FrameCount * 5 - 5]);
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} else if (timelineName.Equals("attachment")) {
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AttachmentTimeline timeline = new AttachmentTimeline(values.Count);
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timeline.slotIndex = slotIndex;
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int frameIndex = 0;
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foreach (Dictionary<String, Object> valueMap in values) {
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float time = (float)valueMap["time"];
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timeline.setFrame(frameIndex++, time, (String)valueMap["name"]);
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}
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timelines.Add(timeline);
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duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
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} else
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throw new Exception("Invalid timeline type for a slot: " + timelineName + " (" + slotName + ")");
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}
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}
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}
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if (map.ContainsKey("events")) {
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var eventsMap = (List<Object>)map["events"];
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EventTimeline timeline = new EventTimeline(eventsMap.Count);
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int frameIndex = 0;
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foreach (Dictionary<String, Object> eventMap in eventsMap) {
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EventData eventData = skeletonData.FindEvent((String)eventMap["name"]);
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if (eventData == null) throw new Exception("Event not found: " + eventMap["name"]);
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Event e = new Event(eventData);
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e.Int = GetInt(eventMap, "int", eventData.Int);
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e.Float = GetFloat(eventMap, "float", eventData.Float);
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e.String = GetString(eventMap, "string", eventData.String);
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timeline.setFrame(frameIndex++, (float)eventMap["time"], e);
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}
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timelines.Add(timeline);
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duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
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}
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if (map.ContainsKey("draworder")) {
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var values = (List<Object>)map["draworder"];
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DrawOrderTimeline timeline = new DrawOrderTimeline(values.Count);
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int slotCount = skeletonData.slots.Count;
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int frameIndex = 0;
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foreach (Dictionary<String, Object> drawOrderMap in values) {
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int[] drawOrder = null;
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if (drawOrderMap.ContainsKey("offsets")) {
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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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List<Object> offsets = (List<Object>)drawOrderMap["offsets"];
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int[] unchanged = new int[slotCount - offsets.Count];
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int originalIndex = 0, unchangedIndex = 0;
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foreach (Dictionary<String, Object> offsetMap in offsets) {
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int slotIndex = skeletonData.FindSlotIndex((String)offsetMap["slot"]);
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if (slotIndex == -1) throw new Exception("Slot not found: " + offsetMap["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 + (int)(float)offsetMap["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++, (float)drawOrderMap["time"], drawOrder);
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}
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timelines.Add(timeline);
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duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
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}
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timelines.TrimExcess();
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skeletonData.AddAnimation(new Animation(name, timelines, duration));
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}
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private void ReadCurve (CurveTimeline timeline, int frameIndex, Dictionary<String, Object> valueMap) {
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if (!valueMap.ContainsKey("curve"))
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return;
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Object curveObject = valueMap["curve"];
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if (curveObject.Equals("stepped"))
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timeline.SetStepped(frameIndex);
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else if (curveObject is List<Object>) {
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List<Object> curve = (List<Object>)curveObject;
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timeline.SetCurve(frameIndex, (float)curve[0], (float)curve[1], (float)curve[2], (float)curve[3]);
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}
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}
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}
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}
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