public SkeletonData ReadSkeletonData(TextReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader cannot be null.");
}
var skeletonData = new SkeletonData();
var root = Json.Deserialize(reader) as Dictionary <String, Object>;
if (root == null)
{
throw new Exception("Invalid JSON.");
}
// Skeleton.
if (root.ContainsKey("skeleton"))
{
var skeletonMap = (Dictionary <String, Object>)root["skeleton"];
skeletonData.hash = (String)skeletonMap["hash"];
skeletonData.version = (String)skeletonMap["spine"];
skeletonData.width = GetFloat(skeletonMap, "width", 0);
skeletonData.height = GetFloat(skeletonMap, "height", 0);
}
// Bones.
foreach (Dictionary <String, Object> boneMap in (List <Object>)root["bones"])
{
BoneData parent = null;
if (boneMap.ContainsKey("parent"))
{
parent = skeletonData.FindBone((String)boneMap["parent"]);
if (parent == null)
{
throw new Exception("Parent bone not found: " + boneMap["parent"]);
}
}
var boneData = new BoneData((String)boneMap["name"], parent);
boneData.length = GetFloat(boneMap, "length", 0) * Scale;
boneData.x = GetFloat(boneMap, "x", 0) * Scale;
boneData.y = GetFloat(boneMap, "y", 0) * Scale;
boneData.rotation = GetFloat(boneMap, "rotation", 0);
boneData.scaleX = GetFloat(boneMap, "scaleX", 1);
boneData.scaleY = GetFloat(boneMap, "scaleY", 1);
boneData.flipX = GetBoolean(boneMap, "flipX", false);
boneData.flipY = GetBoolean(boneMap, "flipY", false);
boneData.inheritScale = GetBoolean(boneMap, "inheritScale", true);
boneData.inheritRotation = GetBoolean(boneMap, "inheritRotation", true);
skeletonData.bones.Add(boneData);
}
// IK constraints.
if (root.ContainsKey("ik"))
{
foreach (Dictionary <String, Object> ikMap in (List <Object>)root["ik"])
{
IkConstraintData ikConstraintData = new IkConstraintData((String)ikMap["name"]);
foreach (String boneName in (List <Object>)ikMap["bones"])
{
BoneData bone = skeletonData.FindBone(boneName);
if (bone == null)
{
throw new Exception("IK bone not found: " + boneName);
}
ikConstraintData.bones.Add(bone);
}
String targetName = (String)ikMap["target"];
ikConstraintData.target = skeletonData.FindBone(targetName);
if (ikConstraintData.target == null)
{
throw new Exception("Target bone not found: " + targetName);
}
ikConstraintData.bendDirection = GetBoolean(ikMap, "bendPositive", true) ? 1 : -1;
ikConstraintData.mix = GetFloat(ikMap, "mix", 1);
skeletonData.ikConstraints.Add(ikConstraintData);
}
}
// Slots.
if (root.ContainsKey("slots"))
{
foreach (Dictionary <String, Object> slotMap in (List <Object>)root["slots"])
{
var slotName = (String)slotMap["name"];
var boneName = (String)slotMap["bone"];
BoneData boneData = skeletonData.FindBone(boneName);
if (boneData == null)
{
throw new Exception("Slot bone not found: " + boneName);
}
var slotData = new SlotData(slotName, boneData);
if (slotMap.ContainsKey("color"))
{
var color = (String)slotMap["color"];
slotData.r = ToColor(color, 0);
slotData.g = ToColor(color, 1);
slotData.b = ToColor(color, 2);
slotData.a = ToColor(color, 3);
}
if (slotMap.ContainsKey("attachment"))
{
slotData.attachmentName = (String)slotMap["attachment"];
}
if (slotMap.ContainsKey("additive"))
{
slotData.additiveBlending = (bool)slotMap["additive"];
}
skeletonData.slots.Add(slotData);
}
}
// Skins.
if (root.ContainsKey("skins"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["skins"])
{
var skin = new Skin(entry.Key);
foreach (KeyValuePair <String, Object> slotEntry in (Dictionary <String, Object>)entry.Value)
{
int slotIndex = skeletonData.FindSlotIndex(slotEntry.Key);
foreach (KeyValuePair <String, Object> attachmentEntry in ((Dictionary <String, Object>)slotEntry.Value))
{
Attachment attachment = ReadAttachment(skin, attachmentEntry.Key, (Dictionary <String, Object>)attachmentEntry.Value);
if (attachment != null)
{
skin.AddAttachment(slotIndex, attachmentEntry.Key, attachment);
}
}
}
skeletonData.skins.Add(skin);
if (skin.name == "default")
{
skeletonData.defaultSkin = skin;
}
}
}
// Events.
if (root.ContainsKey("events"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["events"])
{
var entryMap = (Dictionary <String, Object>)entry.Value;
var eventData = new EventData(entry.Key);
eventData.Int = GetInt(entryMap, "int", 0);
eventData.Float = GetFloat(entryMap, "float", 0);
eventData.String = GetString(entryMap, "string", null);
skeletonData.events.Add(eventData);
}
}
// Animations.
if (root.ContainsKey("animations"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["animations"])
{
ReadAnimation(entry.Key, (Dictionary <String, Object>)entry.Value, skeletonData);
}
}
skeletonData.bones.TrimExcess();
skeletonData.slots.TrimExcess();
skeletonData.skins.TrimExcess();
skeletonData.animations.TrimExcess();
return(skeletonData);
}
/// <returns>May be null.</returns>
public Attachment GetAttachment(String slotName, String attachmentName)
{
return(GetAttachment(data.FindSlotIndex(slotName), attachmentName));
}
private void ReadAnimation(String name, Dictionary <String, Object> map, SkeletonData skeletonData)
{
var timelines = new List <Timeline>();
float duration = 0;
float scale = Scale;
if (map.ContainsKey("slots"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)map["slots"])
{
String slotName = entry.Key;
int slotIndex = skeletonData.FindSlotIndex(slotName);
var timelineMap = (Dictionary <String, Object>)entry.Value;
foreach (KeyValuePair <String, Object> timelineEntry in timelineMap)
{
var values = (List <Object>)timelineEntry.Value;
var timelineName = (String)timelineEntry.Key;
if (timelineName == "color")
{
var timeline = new ColorTimeline(values.Count);
timeline.slotIndex = slotIndex;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
String c = (String)valueMap["color"];
timeline.setFrame(frameIndex, time, ToColor(c, 0), ToColor(c, 1), ToColor(c, 2), ToColor(c, 3));
ReadCurve(timeline, frameIndex, valueMap);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount * 5 - 5]);
}
else if (timelineName == "attachment")
{
var timeline = new AttachmentTimeline(values.Count);
timeline.slotIndex = slotIndex;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
timeline.setFrame(frameIndex++, time, (String)valueMap["name"]);
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
}
else
{
throw new Exception("Invalid timeline type for a slot: " + timelineName + " (" + slotName + ")");
}
}
}
}
if (map.ContainsKey("bones"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)map["bones"])
{
String boneName = entry.Key;
int boneIndex = skeletonData.FindBoneIndex(boneName);
if (boneIndex == -1)
{
throw new Exception("Bone not found: " + boneName);
}
var timelineMap = (Dictionary <String, Object>)entry.Value;
foreach (KeyValuePair <String, Object> timelineEntry in timelineMap)
{
var values = (List <Object>)timelineEntry.Value;
var timelineName = (String)timelineEntry.Key;
if (timelineName == "rotate")
{
var timeline = new RotateTimeline(values.Count);
timeline.boneIndex = boneIndex;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
timeline.SetFrame(frameIndex, time, (float)valueMap["angle"]);
ReadCurve(timeline, frameIndex, valueMap);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount * 2 - 2]);
}
else if (timelineName == "translate" || timelineName == "scale")
{
TranslateTimeline timeline;
float timelineScale = 1;
if (timelineName == "scale")
{
timeline = new ScaleTimeline(values.Count);
}
else
{
timeline = new TranslateTimeline(values.Count);
timelineScale = scale;
}
timeline.boneIndex = boneIndex;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
float x = valueMap.ContainsKey("x") ? (float)valueMap["x"] : 0;
float y = valueMap.ContainsKey("y") ? (float)valueMap["y"] : 0;
timeline.SetFrame(frameIndex, time, (float)x * timelineScale, (float)y * timelineScale);
ReadCurve(timeline, frameIndex, valueMap);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount * 3 - 3]);
}
else if (timelineName == "flipX" || timelineName == "flipY")
{
bool x = timelineName == "flipX";
var timeline = x ? new FlipXTimeline(values.Count) : new FlipYTimeline(values.Count);
timeline.boneIndex = boneIndex;
String field = x ? "x" : "y";
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
timeline.SetFrame(frameIndex, time, valueMap.ContainsKey(field) ? (bool)valueMap[field] : false);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount * 2 - 2]);
}
else
{
throw new Exception("Invalid timeline type for a bone: " + timelineName + " (" + boneName + ")");
}
}
}
}
if (map.ContainsKey("ik"))
{
foreach (KeyValuePair <String, Object> ikMap in (Dictionary <String, Object>)map["ik"])
{
IkConstraintData ikConstraint = skeletonData.FindIkConstraint(ikMap.Key);
var values = (List <Object>)ikMap.Value;
var timeline = new IkConstraintTimeline(values.Count);
timeline.ikConstraintIndex = skeletonData.ikConstraints.IndexOf(ikConstraint);
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
float mix = valueMap.ContainsKey("mix") ? (float)valueMap["mix"] : 1;
bool bendPositive = valueMap.ContainsKey("bendPositive") ? (bool)valueMap["bendPositive"] : true;
timeline.setFrame(frameIndex, time, mix, bendPositive ? 1 : -1);
ReadCurve(timeline, frameIndex, valueMap);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount * 3 - 3]);
}
}
if (map.ContainsKey("ffd"))
{
foreach (KeyValuePair <String, Object> ffdMap in (Dictionary <String, Object>)map["ffd"])
{
Skin skin = skeletonData.FindSkin(ffdMap.Key);
foreach (KeyValuePair <String, Object> slotMap in (Dictionary <String, Object>)ffdMap.Value)
{
int slotIndex = skeletonData.FindSlotIndex(slotMap.Key);
foreach (KeyValuePair <String, Object> meshMap in (Dictionary <String, Object>)slotMap.Value)
{
var values = (List <Object>)meshMap.Value;
var timeline = new FFDTimeline(values.Count);
Attachment attachment = skin.GetAttachment(slotIndex, meshMap.Key);
if (attachment == null)
{
throw new Exception("FFD attachment not found: " + meshMap.Key);
}
timeline.slotIndex = slotIndex;
timeline.attachment = attachment;
int vertexCount;
if (attachment is MeshAttachment)
{
vertexCount = ((MeshAttachment)attachment).vertices.Length;
}
else
{
vertexCount = ((SkinnedMeshAttachment)attachment).Weights.Length / 3 * 2;
}
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float[] vertices;
if (!valueMap.ContainsKey("vertices"))
{
if (attachment is MeshAttachment)
{
vertices = ((MeshAttachment)attachment).vertices;
}
else
{
vertices = new float[vertexCount];
}
}
else
{
var verticesValue = (List <Object>)valueMap["vertices"];
vertices = new float[vertexCount];
int start = GetInt(valueMap, "offset", 0);
if (scale == 1)
{
for (int i = 0, n = verticesValue.Count; i < n; i++)
{
vertices[i + start] = (float)verticesValue[i];
}
}
else
{
for (int i = 0, n = verticesValue.Count; i < n; i++)
{
vertices[i + start] = (float)verticesValue[i] * scale;
}
}
if (attachment is MeshAttachment)
{
float[] meshVertices = ((MeshAttachment)attachment).vertices;
for (int i = 0; i < vertexCount; i++)
{
vertices[i] += meshVertices[i];
}
}
}
timeline.setFrame(frameIndex, (float)valueMap["time"], vertices);
ReadCurve(timeline, frameIndex, valueMap);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
}
}
}
}
if (map.ContainsKey("drawOrder") || map.ContainsKey("draworder"))
{
var values = (List <Object>)map[map.ContainsKey("drawOrder") ? "drawOrder" : "draworder"];
var timeline = new DrawOrderTimeline(values.Count);
int slotCount = skeletonData.slots.Count;
int frameIndex = 0;
foreach (Dictionary <String, Object> drawOrderMap in values)
{
int[] drawOrder = null;
if (drawOrderMap.ContainsKey("offsets"))
{
drawOrder = new int[slotCount];
for (int i = slotCount - 1; i >= 0; i--)
{
drawOrder[i] = -1;
}
var offsets = (List <Object>)drawOrderMap["offsets"];
int[] unchanged = new int[slotCount - offsets.Count];
int originalIndex = 0, unchangedIndex = 0;
foreach (Dictionary <String, Object> offsetMap in offsets)
{
int slotIndex = skeletonData.FindSlotIndex((String)offsetMap["slot"]);
if (slotIndex == -1)
{
throw new Exception("Slot not found: " + offsetMap["slot"]);
}
// Collect unchanged items.
while (originalIndex != slotIndex)
{
unchanged[unchangedIndex++] = originalIndex++;
}
// Set changed items.
drawOrder[originalIndex + (int)(float)offsetMap["offset"]] = originalIndex++;
}
// Collect remaining unchanged items.
while (originalIndex < slotCount)
{
unchanged[unchangedIndex++] = originalIndex++;
}
// Fill in unchanged items.
for (int i = slotCount - 1; i >= 0; i--)
{
if (drawOrder[i] == -1)
{
drawOrder[i] = unchanged[--unchangedIndex];
}
}
}
timeline.setFrame(frameIndex++, (float)drawOrderMap["time"], drawOrder);
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
}
if (map.ContainsKey("events"))
{
var eventsMap = (List <Object>)map["events"];
var timeline = new EventTimeline(eventsMap.Count);
int frameIndex = 0;
foreach (Dictionary <String, Object> eventMap in eventsMap)
{
EventData eventData = skeletonData.FindEvent((String)eventMap["name"]);
if (eventData == null)
{
throw new Exception("Event not found: " + eventMap["name"]);
}
var e = new Event(eventData);
e.Int = GetInt(eventMap, "int", eventData.Int);
e.Float = GetFloat(eventMap, "float", eventData.Float);
e.String = GetString(eventMap, "string", eventData.String);
timeline.setFrame(frameIndex++, (float)eventMap["time"], e);
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
}
timelines.TrimExcess();
skeletonData.animations.Add(new Animation(name, timelines, duration));
}