// --- Path constraints.
/// <returns>May be null.</returns>
public PathConstraintData FindPathConstraint(String constraintName)
{
if (constraintName == null)
{
throw new ArgumentNullException("constraintName", "constraintName cannot be null.");
}
ExposedList <PathConstraintData> pathConstraints = this.pathConstraints;
for (int i = 0, n = pathConstraints.Count; i < n; i++)
{
PathConstraintData constraint = pathConstraints.Items[i];
if (constraint.name.Equals(constraintName))
{
return(constraint);
}
}
return(null);
}
/// <summary>Sets the bones and constraints to their setup pose values.</summary>
public void SetBonesToSetupPose()
{
var bonesItems = this.bones.Items;
for (int i = 0, n = bones.Count; i < n; i++)
{
bonesItems[i].SetToSetupPose();
}
var ikConstraintsItems = this.ikConstraints.Items;
for (int i = 0, n = ikConstraints.Count; i < n; i++)
{
IkConstraint constraint = ikConstraintsItems[i];
constraint.bendDirection = constraint.data.bendDirection;
constraint.mix = constraint.data.mix;
}
var transformConstraintsItems = this.transformConstraints.Items;
for (int i = 0, n = transformConstraints.Count; i < n; i++)
{
TransformConstraint constraint = transformConstraintsItems[i];
TransformConstraintData data = constraint.data;
constraint.rotateMix = data.rotateMix;
constraint.translateMix = data.translateMix;
constraint.scaleMix = data.scaleMix;
constraint.shearMix = data.shearMix;
}
var pathConstraintItems = this.pathConstraints.Items;
for (int i = 0, n = pathConstraints.Count; i < n; i++)
{
PathConstraint constraint = pathConstraintItems[i];
PathConstraintData data = constraint.data;
constraint.position = data.position;
constraint.spacing = data.spacing;
constraint.rotateMix = data.rotateMix;
constraint.translateMix = data.translateMix;
}
}
public PathConstraint(PathConstraintData data, Skeleton skeleton)
{
if (data == null)
{
throw new ArgumentNullException("data", "data cannot be null.");
}
if (skeleton == null)
{
throw new ArgumentNullException("skeleton", "skeleton cannot be null.");
}
this.data = data;
bones = new ExposedList <Bone>(data.Bones.Count);
foreach (BoneData boneData in data.bones)
{
bones.Add(skeleton.FindBone(boneData.name));
}
target = skeleton.FindSlot(data.target.name);
position = data.position;
spacing = data.spacing;
rotateMix = data.rotateMix;
translateMix = data.translateMix;
}
public SkeletonData ReadSkeletonData(TextReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader", "reader cannot be null.");
}
var scale = this.Scale;
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);
skeletonData.fps = GetFloat(skeletonMap, "fps", 0);
skeletonData.imagesPath = GetString(skeletonMap, "images", null);
}
// 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 data = new BoneData(skeletonData.Bones.Count, (String)boneMap["name"], parent);
data.length = GetFloat(boneMap, "length", 0) * scale;
data.x = GetFloat(boneMap, "x", 0) * scale;
data.y = GetFloat(boneMap, "y", 0) * scale;
data.rotation = GetFloat(boneMap, "rotation", 0);
data.scaleX = GetFloat(boneMap, "scaleX", 1);
data.scaleY = GetFloat(boneMap, "scaleY", 1);
data.shearX = GetFloat(boneMap, "shearX", 0);
data.shearY = GetFloat(boneMap, "shearY", 0);
string tm = GetString(boneMap, "transform", TransformMode.Normal.ToString());
data.transformMode = (TransformMode)Enum.Parse(typeof(TransformMode), tm, true);
skeletonData.bones.Add(data);
}
// 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 data = new SlotData(skeletonData.Slots.Count, slotName, boneData);
if (slotMap.ContainsKey("color"))
{
var color = (String)slotMap["color"];
data.r = ToColor(color, 0);
data.g = ToColor(color, 1);
data.b = ToColor(color, 2);
data.a = ToColor(color, 3);
}
data.attachmentName = GetString(slotMap, "attachment", null);
if (slotMap.ContainsKey("blend"))
{
data.blendMode = (BlendMode)Enum.Parse(typeof(BlendMode), (String)slotMap["blend"], false);
}
else
{
data.blendMode = BlendMode.normal;
}
skeletonData.slots.Add(data);
}
}
// IK constraints.
if (root.ContainsKey("ik"))
{
foreach (Dictionary <String, Object> constraintMap in (List <Object>)root["ik"])
{
IkConstraintData data = new IkConstraintData((String)constraintMap["name"]);
data.order = GetInt(constraintMap, "order", 0);
foreach (String boneName in (List <Object>)constraintMap["bones"])
{
BoneData bone = skeletonData.FindBone(boneName);
if (bone == null)
{
throw new Exception("IK constraint bone not found: " + boneName);
}
data.bones.Add(bone);
}
String targetName = (String)constraintMap["target"];
data.target = skeletonData.FindBone(targetName);
if (data.target == null)
{
throw new Exception("Target bone not found: " + targetName);
}
data.bendDirection = GetBoolean(constraintMap, "bendPositive", true) ? 1 : -1;
data.mix = GetFloat(constraintMap, "mix", 1);
skeletonData.ikConstraints.Add(data);
}
}
// Transform constraints.
if (root.ContainsKey("transform"))
{
foreach (Dictionary <String, Object> constraintMap in (List <Object>)root["transform"])
{
TransformConstraintData data = new TransformConstraintData((String)constraintMap["name"]);
data.order = GetInt(constraintMap, "order", 0);
foreach (String boneName in (List <Object>)constraintMap["bones"])
{
BoneData bone = skeletonData.FindBone(boneName);
if (bone == null)
{
throw new Exception("Transform constraint bone not found: " + boneName);
}
data.bones.Add(bone);
}
String targetName = (String)constraintMap["target"];
data.target = skeletonData.FindBone(targetName);
if (data.target == null)
{
throw new Exception("Target bone not found: " + targetName);
}
data.offsetRotation = GetFloat(constraintMap, "rotation", 0);
data.offsetX = GetFloat(constraintMap, "x", 0) * scale;
data.offsetY = GetFloat(constraintMap, "y", 0) * scale;
data.offsetScaleX = GetFloat(constraintMap, "scaleX", 0);
data.offsetScaleY = GetFloat(constraintMap, "scaleY", 0);
data.offsetShearY = GetFloat(constraintMap, "shearY", 0);
data.rotateMix = GetFloat(constraintMap, "rotateMix", 1);
data.translateMix = GetFloat(constraintMap, "translateMix", 1);
data.scaleMix = GetFloat(constraintMap, "scaleMix", 1);
data.shearMix = GetFloat(constraintMap, "shearMix", 1);
skeletonData.transformConstraints.Add(data);
}
}
// Path constraints.
if (root.ContainsKey("path"))
{
foreach (Dictionary <String, Object> constraintMap in (List <Object>)root["path"])
{
PathConstraintData data = new PathConstraintData((String)constraintMap["name"]);
data.order = GetInt(constraintMap, "order", 0);
foreach (String boneName in (List <Object>)constraintMap["bones"])
{
BoneData bone = skeletonData.FindBone(boneName);
if (bone == null)
{
throw new Exception("Path bone not found: " + boneName);
}
data.bones.Add(bone);
}
String targetName = (String)constraintMap["target"];
data.target = skeletonData.FindSlot(targetName);
if (data.target == null)
{
throw new Exception("Target slot not found: " + targetName);
}
data.positionMode = (PositionMode)Enum.Parse(typeof(PositionMode), GetString(constraintMap, "positionMode", "percent"), true);
data.spacingMode = (SpacingMode)Enum.Parse(typeof(SpacingMode), GetString(constraintMap, "spacingMode", "length"), true);
data.rotateMode = (RotateMode)Enum.Parse(typeof(RotateMode), GetString(constraintMap, "rotateMode", "tangent"), true);
data.offsetRotation = GetFloat(constraintMap, "rotation", 0);
data.position = GetFloat(constraintMap, "position", 0);
if (data.positionMode == PositionMode.Fixed)
{
data.position *= scale;
}
data.spacing = GetFloat(constraintMap, "spacing", 0);
if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed)
{
data.spacing *= scale;
}
data.rotateMix = GetFloat(constraintMap, "rotateMix", 1);
data.translateMix = GetFloat(constraintMap, "translateMix", 1);
skeletonData.pathConstraints.Add(data);
}
}
// Skins.
if (root.ContainsKey("skins"))
{
foreach (KeyValuePair <String, Object> skinMap in (Dictionary <String, Object>)root["skins"])
{
var skin = new Skin(skinMap.Key);
foreach (KeyValuePair <String, Object> slotEntry in (Dictionary <String, Object>)skinMap.Value)
{
int slotIndex = skeletonData.FindSlotIndex(slotEntry.Key);
foreach (KeyValuePair <String, Object> entry in ((Dictionary <String, Object>)slotEntry.Value))
{
try {
Attachment attachment = ReadAttachment((Dictionary <String, Object>)entry.Value, skin, slotIndex, entry.Key);
if (attachment != null)
{
skin.AddAttachment(slotIndex, entry.Key, attachment);
}
} catch (Exception e) {
throw new Exception("Error reading attachment: " + entry.Key + ", skin: " + skin, e);
}
}
}
skeletonData.skins.Add(skin);
if (skin.name == "default")
{
skeletonData.defaultSkin = skin;
}
}
}
// Linked meshes.
for (int i = 0, n = linkedMeshes.Count; i < n; i++)
{
LinkedMesh linkedMesh = linkedMeshes[i];
Skin skin = linkedMesh.skin == null ? skeletonData.defaultSkin : skeletonData.FindSkin(linkedMesh.skin);
if (skin == null)
{
throw new Exception("Slot not found: " + linkedMesh.skin);
}
Attachment parent = skin.GetAttachment(linkedMesh.slotIndex, linkedMesh.parent);
if (parent == null)
{
throw new Exception("Parent mesh not found: " + linkedMesh.parent);
}
linkedMesh.mesh.ParentMesh = (MeshAttachment)parent;
linkedMesh.mesh.UpdateUVs();
}
linkedMeshes.Clear();
// Events.
if (root.ContainsKey("events"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["events"])
{
var entryMap = (Dictionary <String, Object>)entry.Value;
var data = new EventData(entry.Key);
data.Int = GetInt(entryMap, "int", 0);
data.Float = GetFloat(entryMap, "float", 0);
data.String = GetString(entryMap, "string", string.Empty);
skeletonData.events.Add(data);
}
}
// Animations.
if (root.ContainsKey("animations"))
{
foreach (KeyValuePair <String, Object> entry in (Dictionary <String, Object>)root["animations"])
{
try {
ReadAnimation((Dictionary <String, Object>)entry.Value, entry.Key, skeletonData);
} catch (Exception e) {
throw new Exception("Error reading animation: " + entry.Key, e);
}
}
}
skeletonData.bones.TrimExcess();
skeletonData.slots.TrimExcess();
skeletonData.skins.TrimExcess();
skeletonData.events.TrimExcess();
skeletonData.animations.TrimExcess();
skeletonData.ikConstraints.TrimExcess();
return(skeletonData);
}
private void ReadAnimation(Dictionary <String, Object> map, String name, SkeletonData skeletonData)
{
var scale = this.Scale;
var timelines = new ExposedList <Timeline>();
float duration = 0;
// Slot timelines.
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(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * ColorTimeline.ENTRIES]);
}
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 + ")");
}
}
}
}
// Bone timelines.
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)
{
timeline.SetFrame(frameIndex, (float)valueMap["time"], (float)valueMap["angle"]);
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * RotateTimeline.ENTRIES]);
}
else if (timelineName == "translate" || timelineName == "scale" || timelineName == "shear")
{
TranslateTimeline timeline;
float timelineScale = 1;
if (timelineName == "scale")
{
timeline = new ScaleTimeline(values.Count);
}
else if (timelineName == "shear")
{
timeline = new ShearTimeline(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 = GetFloat(valueMap, "x", 0);
float y = GetFloat(valueMap, "y", 0);
timeline.SetFrame(frameIndex, time, x * timelineScale, y * timelineScale);
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * TranslateTimeline.ENTRIES]);
}
else
{
throw new Exception("Invalid timeline type for a bone: " + timelineName + " (" + boneName + ")");
}
}
}
}
// IK constraint timelines.
if (map.ContainsKey("ik"))
{
foreach (KeyValuePair <String, Object> constraintMap in (Dictionary <String, Object>)map["ik"])
{
IkConstraintData constraint = skeletonData.FindIkConstraint(constraintMap.Key);
var values = (List <Object>)constraintMap.Value;
var timeline = new IkConstraintTimeline(values.Count);
timeline.ikConstraintIndex = skeletonData.ikConstraints.IndexOf(constraint);
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
float mix = GetFloat(valueMap, "mix", 1);
bool bendPositive = GetBoolean(valueMap, "bendPositive", true);
timeline.SetFrame(frameIndex, time, mix, bendPositive ? 1 : -1);
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * IkConstraintTimeline.ENTRIES]);
}
}
// Transform constraint timelines.
if (map.ContainsKey("transform"))
{
foreach (KeyValuePair <String, Object> constraintMap in (Dictionary <String, Object>)map["transform"])
{
TransformConstraintData constraint = skeletonData.FindTransformConstraint(constraintMap.Key);
var values = (List <Object>)constraintMap.Value;
var timeline = new TransformConstraintTimeline(values.Count);
timeline.transformConstraintIndex = skeletonData.transformConstraints.IndexOf(constraint);
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float time = (float)valueMap["time"];
float rotateMix = GetFloat(valueMap, "rotateMix", 1);
float translateMix = GetFloat(valueMap, "translateMix", 1);
float scaleMix = GetFloat(valueMap, "scaleMix", 1);
float shearMix = GetFloat(valueMap, "shearMix", 1);
timeline.SetFrame(frameIndex, time, rotateMix, translateMix, scaleMix, shearMix);
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * TransformConstraintTimeline.ENTRIES]);
}
}
// Path constraint timelines.
if (map.ContainsKey("paths"))
{
foreach (KeyValuePair <String, Object> constraintMap in (Dictionary <String, Object>)map["paths"])
{
int index = skeletonData.FindPathConstraintIndex(constraintMap.Key);
if (index == -1)
{
throw new Exception("Path constraint not found: " + constraintMap.Key);
}
PathConstraintData data = skeletonData.pathConstraints.Items[index];
var timelineMap = (Dictionary <String, Object>)constraintMap.Value;
foreach (KeyValuePair <String, Object> timelineEntry in timelineMap)
{
var values = (List <Object>)timelineEntry.Value;
var timelineName = (String)timelineEntry.Key;
if (timelineName == "position" || timelineName == "spacing")
{
PathConstraintPositionTimeline timeline;
float timelineScale = 1;
if (timelineName == "spacing")
{
timeline = new PathConstraintSpacingTimeline(values.Count);
if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed)
{
timelineScale = scale;
}
}
else
{
timeline = new PathConstraintPositionTimeline(values.Count);
if (data.positionMode == PositionMode.Fixed)
{
timelineScale = scale;
}
}
timeline.pathConstraintIndex = index;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
timeline.SetFrame(frameIndex, (float)valueMap["time"], GetFloat(valueMap, timelineName, 0) * timelineScale);
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * PathConstraintPositionTimeline.ENTRIES]);
}
else if (timelineName == "mix")
{
PathConstraintMixTimeline timeline = new PathConstraintMixTimeline(values.Count);
timeline.pathConstraintIndex = index;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
timeline.SetFrame(frameIndex, (float)valueMap["time"], GetFloat(valueMap, "rotateMix", 1), GetFloat(valueMap, "translateMix", 1));
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * PathConstraintMixTimeline.ENTRIES]);
}
}
}
}
// Deform timelines.
if (map.ContainsKey("deform"))
{
foreach (KeyValuePair <String, Object> deformMap in (Dictionary <String, Object>)map["deform"])
{
Skin skin = skeletonData.FindSkin(deformMap.Key);
foreach (KeyValuePair <String, Object> slotMap in (Dictionary <String, Object>)deformMap.Value)
{
int slotIndex = skeletonData.FindSlotIndex(slotMap.Key);
if (slotIndex == -1)
{
throw new Exception("Slot not found: " + slotMap.Key);
}
foreach (KeyValuePair <String, Object> timelineMap in (Dictionary <String, Object>)slotMap.Value)
{
var values = (List <Object>)timelineMap.Value;
VertexAttachment attachment = (VertexAttachment)skin.GetAttachment(slotIndex, timelineMap.Key);
if (attachment == null)
{
throw new Exception("Deform attachment not found: " + timelineMap.Key);
}
bool weighted = attachment.bones != null;
float[] vertices = attachment.vertices;
int deformLength = weighted ? vertices.Length / 3 * 2 : vertices.Length;
var timeline = new DeformTimeline(values.Count);
timeline.slotIndex = slotIndex;
timeline.attachment = attachment;
int frameIndex = 0;
foreach (Dictionary <String, Object> valueMap in values)
{
float[] deform;
if (!valueMap.ContainsKey("vertices"))
{
deform = weighted ? new float[deformLength] : vertices;
}
else
{
deform = new float[deformLength];
int start = GetInt(valueMap, "offset", 0);
float[] verticesValue = GetFloatArray(valueMap, "vertices", 1);
Array.Copy(verticesValue, 0, deform, start, verticesValue.Length);
if (scale != 1)
{
for (int i = start, n = i + verticesValue.Length; i < n; i++)
{
deform[i] *= scale;
}
}
if (!weighted)
{
for (int i = 0; i < deformLength; i++)
{
deform[i] += vertices[i];
}
}
}
timeline.SetFrame(frameIndex, (float)valueMap["time"], deform);
ReadCurve(valueMap, timeline, frameIndex);
frameIndex++;
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
}
}
}
}
// Draw order timeline.
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.
int index = originalIndex + (int)(float)offsetMap["offset"];
drawOrder[index] = 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]);
}
// Event timeline.
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((float)eventMap["time"], 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++, e);
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[timeline.FrameCount - 1]);
}
timelines.TrimExcess();
skeletonData.animations.Add(new Animation(name, timelines, duration));
}
private void ReadAnimation(String name, Stream input, SkeletonData skeletonData)
{
var timelines = new ExposedList <Timeline>();
float scale = Scale;
float duration = 0;
// Slot timelines.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
int slotIndex = ReadVarint(input, true);
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
int timelineType = input.ReadByte();
int frameCount = ReadVarint(input, true);
switch (timelineType)
{
case SLOT_COLOR: {
ColorTimeline timeline = new ColorTimeline(frameCount);
timeline.slotIndex = slotIndex;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
float time = ReadFloat(input);
int color = ReadInt(input);
float r = ((color & 0xff000000) >> 24) / 255f;
float g = ((color & 0x00ff0000) >> 16) / 255f;
float b = ((color & 0x0000ff00) >> 8) / 255f;
float a = ((color & 0x000000ff)) / 255f;
timeline.SetFrame(frameIndex, time, r, g, b, a);
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.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, ReadFloat(input), ReadString(input));
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[frameCount - 1]);
break;
}
}
}
}
// Bone timelines.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
int boneIndex = ReadVarint(input, true);
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
int timelineType = input.ReadByte();
int frameCount = ReadVarint(input, true);
switch (timelineType)
{
case BONE_ROTATE: {
RotateTimeline timeline = new RotateTimeline(frameCount);
timeline.boneIndex = boneIndex;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
timeline.SetFrame(frameIndex, ReadFloat(input), ReadFloat(input));
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(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, ReadFloat(input), ReadFloat(input) * timelineScale, ReadFloat(input)
* timelineScale);
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(frameCount - 1) * TranslateTimeline.ENTRIES]);
break;
}
}
}
}
// IK timelines.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
int index = ReadVarint(input, true);
int frameCount = ReadVarint(input, true);
IkConstraintTimeline timeline = new IkConstraintTimeline(frameCount);
timeline.ikConstraintIndex = index;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
timeline.SetFrame(frameIndex, ReadFloat(input), ReadFloat(input), ReadSByte(input));
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(frameCount - 1) * IkConstraintTimeline.ENTRIES]);
}
// Transform constraint timelines.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
int index = ReadVarint(input, true);
int frameCount = ReadVarint(input, true);
TransformConstraintTimeline timeline = new TransformConstraintTimeline(frameCount);
timeline.transformConstraintIndex = index;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
timeline.SetFrame(frameIndex, ReadFloat(input), ReadFloat(input), ReadFloat(input), ReadFloat(input), ReadFloat(input));
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(frameCount - 1) * TransformConstraintTimeline.ENTRIES]);
}
// Path constraint timelines.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
int index = ReadVarint(input, true);
PathConstraintData data = skeletonData.pathConstraints.Items[index];
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
int timelineType = ReadSByte(input);
int frameCount = ReadVarint(input, 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, ReadFloat(input), ReadFloat(input) * timelineScale);
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(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, ReadFloat(input), ReadFloat(input), ReadFloat(input));
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(frameCount - 1) * PathConstraintMixTimeline.ENTRIES]);
break;
}
}
}
}
// Deform timelines.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
Skin skin = skeletonData.skins.Items[ReadVarint(input, true)];
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
int slotIndex = ReadVarint(input, true);
for (int iii = 0, nnn = ReadVarint(input, true); iii < nnn; iii++)
{
VertexAttachment attachment = (VertexAttachment)skin.GetAttachment(slotIndex, ReadString(input));
bool weighted = attachment.bones != null;
float[] vertices = attachment.vertices;
int deformLength = weighted ? vertices.Length / 3 * 2 : vertices.Length;
int frameCount = ReadVarint(input, true);
DeformTimeline timeline = new DeformTimeline(frameCount);
timeline.slotIndex = slotIndex;
timeline.attachment = attachment;
for (int frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
float time = ReadFloat(input);
float[] deform;
int end = ReadVarint(input, true);
if (end == 0)
{
deform = weighted ? new float[deformLength] : vertices;
}
else
{
deform = new float[deformLength];
int start = ReadVarint(input, true);
end += start;
if (scale == 1)
{
for (int v = start; v < end; v++)
{
deform[v] = ReadFloat(input);
}
}
else
{
for (int v = start; v < end; v++)
{
deform[v] = ReadFloat(input) * 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.frames[frameCount - 1]);
}
}
}
// Draw order timeline.
int drawOrderCount = ReadVarint(input, true);
if (drawOrderCount > 0)
{
DrawOrderTimeline timeline = new DrawOrderTimeline(drawOrderCount);
int slotCount = skeletonData.slots.Count;
for (int i = 0; i < drawOrderCount; i++)
{
float time = ReadFloat(input);
int offsetCount = ReadVarint(input, 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 = ReadVarint(input, true);
// Collect unchanged items.
while (originalIndex != slotIndex)
{
unchanged[unchangedIndex++] = originalIndex++;
}
// Set changed items.
drawOrder[originalIndex + ReadVarint(input, 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.frames[drawOrderCount - 1]);
}
// Event timeline.
int eventCount = ReadVarint(input, true);
if (eventCount > 0)
{
EventTimeline timeline = new EventTimeline(eventCount);
for (int i = 0; i < eventCount; i++)
{
float time = ReadFloat(input);
EventData eventData = skeletonData.events.Items[ReadVarint(input, true)];
Event e = new Event(time, eventData);
e.Int = ReadVarint(input, false);
e.Float = ReadFloat(input);
e.String = ReadBoolean(input) ? ReadString(input) : eventData.String;
timeline.SetFrame(i, e);
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[eventCount - 1]);
}
timelines.TrimExcess();
skeletonData.animations.Add(new Animation(name, timelines, duration));
}
public SkeletonData ReadSkeletonData(Stream input)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
float scale = Scale;
var skeletonData = new SkeletonData();
skeletonData.hash = ReadString(input);
if (skeletonData.hash.Length == 0)
{
skeletonData.hash = null;
}
skeletonData.version = ReadString(input);
if (skeletonData.version.Length == 0)
{
skeletonData.version = null;
}
skeletonData.width = ReadFloat(input);
skeletonData.height = ReadFloat(input);
bool nonessential = ReadBoolean(input);
if (nonessential)
{
skeletonData.fps = ReadFloat(input);
skeletonData.imagesPath = ReadString(input);
if (skeletonData.imagesPath.Length == 0)
{
skeletonData.imagesPath = null;
}
}
// Bones.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
String name = ReadString(input);
BoneData parent = i == 0 ? null : skeletonData.bones.Items[ReadVarint(input, true)];
BoneData data = new BoneData(i, name, parent);
data.rotation = ReadFloat(input);
data.x = ReadFloat(input) * scale;
data.y = ReadFloat(input) * scale;
data.scaleX = ReadFloat(input);
data.scaleY = ReadFloat(input);
data.shearX = ReadFloat(input);
data.shearY = ReadFloat(input);
data.length = ReadFloat(input) * scale;
data.transformMode = TransformModeValues[ReadVarint(input, true)];
if (nonessential)
{
ReadInt(input); // Skip bone color.
}
skeletonData.bones.Add(data);
}
// Slots.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
String slotName = ReadString(input);
BoneData boneData = skeletonData.bones.Items[ReadVarint(input, true)];
SlotData slotData = new SlotData(i, slotName, boneData);
int color = ReadInt(input);
slotData.r = ((color & 0xff000000) >> 24) / 255f;
slotData.g = ((color & 0x00ff0000) >> 16) / 255f;
slotData.b = ((color & 0x0000ff00) >> 8) / 255f;
slotData.a = ((color & 0x000000ff)) / 255f;
slotData.attachmentName = ReadString(input);
slotData.blendMode = (BlendMode)ReadVarint(input, true);
skeletonData.slots.Add(slotData);
}
// IK constraints.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
IkConstraintData data = new IkConstraintData(ReadString(input));
data.order = ReadVarint(input, true);
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
data.bones.Add(skeletonData.bones.Items[ReadVarint(input, true)]);
}
data.target = skeletonData.bones.Items[ReadVarint(input, true)];
data.mix = ReadFloat(input);
data.bendDirection = ReadSByte(input);
skeletonData.ikConstraints.Add(data);
}
// Transform constraints.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
TransformConstraintData data = new TransformConstraintData(ReadString(input));
data.order = ReadVarint(input, true);
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
data.bones.Add(skeletonData.bones.Items[ReadVarint(input, true)]);
}
data.target = skeletonData.bones.Items[ReadVarint(input, true)];
data.offsetRotation = ReadFloat(input);
data.offsetX = ReadFloat(input) * scale;
data.offsetY = ReadFloat(input) * scale;
data.offsetScaleX = ReadFloat(input);
data.offsetScaleY = ReadFloat(input);
data.offsetShearY = ReadFloat(input);
data.rotateMix = ReadFloat(input);
data.translateMix = ReadFloat(input);
data.scaleMix = ReadFloat(input);
data.shearMix = ReadFloat(input);
skeletonData.transformConstraints.Add(data);
}
// Path constraints
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
PathConstraintData data = new PathConstraintData(ReadString(input));
data.order = ReadVarint(input, true);
for (int ii = 0, nn = ReadVarint(input, true); ii < nn; ii++)
{
data.bones.Add(skeletonData.bones.Items[ReadVarint(input, true)]);
}
data.target = skeletonData.slots.Items[ReadVarint(input, true)];
data.positionMode = (PositionMode)Enum.GetValues(typeof(PositionMode)).GetValue(ReadVarint(input, true));
data.spacingMode = (SpacingMode)Enum.GetValues(typeof(SpacingMode)).GetValue(ReadVarint(input, true));
data.rotateMode = (RotateMode)Enum.GetValues(typeof(RotateMode)).GetValue(ReadVarint(input, true));
data.offsetRotation = ReadFloat(input);
data.position = ReadFloat(input);
if (data.positionMode == PositionMode.Fixed)
{
data.position *= scale;
}
data.spacing = ReadFloat(input);
if (data.spacingMode == SpacingMode.Length || data.spacingMode == SpacingMode.Fixed)
{
data.spacing *= scale;
}
data.rotateMix = ReadFloat(input);
data.translateMix = ReadFloat(input);
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 = ReadVarint(input, true); i < n; i++)
{
skeletonData.skins.Add(ReadSkin(input, ReadString(input), nonessential));
}
// Linked meshes.
for (int i = 0, n = linkedMeshes.Count; i < n; i++)
{
SkeletonJson.LinkedMesh linkedMesh = linkedMeshes[i];
Skin skin = linkedMesh.skin == null ? skeletonData.DefaultSkin : skeletonData.FindSkin(linkedMesh.skin);
if (skin == null)
{
throw new Exception("Skin not found: " + linkedMesh.skin);
}
Attachment parent = skin.GetAttachment(linkedMesh.slotIndex, linkedMesh.parent);
if (parent == null)
{
throw new Exception("Parent mesh not found: " + linkedMesh.parent);
}
linkedMesh.mesh.ParentMesh = (MeshAttachment)parent;
linkedMesh.mesh.UpdateUVs();
}
linkedMeshes.Clear();
// Events.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
EventData data = new EventData(ReadString(input));
data.Int = ReadVarint(input, false);
data.Float = ReadFloat(input);
data.String = ReadString(input);
skeletonData.events.Add(data);
}
// Animations.
for (int i = 0, n = ReadVarint(input, true); i < n; i++)
{
ReadAnimation(ReadString(input), input, skeletonData);
}
skeletonData.bones.TrimExcess();
skeletonData.slots.TrimExcess();
skeletonData.skins.TrimExcess();
skeletonData.events.TrimExcess();
skeletonData.animations.TrimExcess();
skeletonData.ikConstraints.TrimExcess();
skeletonData.pathConstraints.TrimExcess();
return(skeletonData);
}
public void Update()
{
PathAttachment attachment = target.Attachment as PathAttachment;
if (attachment == null)
{
return;
}
float rotateMix = this.rotateMix, translateMix = this.translateMix;
bool translate = translateMix > 0, rotate = rotateMix > 0;
if (!translate && !rotate)
{
return;
}
PathConstraintData data = this.data;
SpacingMode spacingMode = data.spacingMode;
bool lengthSpacing = spacingMode == SpacingMode.Length;
RotateMode rotateMode = data.rotateMode;
bool tangents = rotateMode == RotateMode.Tangent, scale = rotateMode == RotateMode.ChainScale;
int boneCount = this.bones.Count, spacesCount = tangents ? boneCount : boneCount + 1;
Bone[] bones = this.bones.Items;
ExposedList <float> spaces = this.spaces.Resize(spacesCount), lengths = null;
float spacing = this.spacing;
if (scale || lengthSpacing)
{
if (scale)
{
lengths = this.lengths.Resize(boneCount);
}
for (int i = 0, n = spacesCount - 1; i < n;)
{
Bone bone = bones[i];
float length = bone.data.length, x = length * bone.a, y = length * bone.c;
length = (float)Math.Sqrt(x * x + y * y);
if (scale)
{
lengths.Items[i] = length;
}
spaces.Items[++i] = lengthSpacing ? Math.Max(0, length + spacing) : spacing;
}
}
else
{
for (int i = 1; i < spacesCount; i++)
{
spaces.Items[i] = spacing;
}
}
float[] positions = ComputeWorldPositions(attachment, spacesCount, tangents,
data.positionMode == PositionMode.Percent, spacingMode == SpacingMode.Percent);
float boneX = positions[0], boneY = positions[1], offsetRotation = data.offsetRotation;
bool tip;
if (offsetRotation == 0)
{
tip = rotateMode == RotateMode.Chain;
}
else
{
tip = false;
Bone p = target.bone;
offsetRotation *= p.a * p.d - p.b * p.c > 0 ? MathUtils.DegRad : -MathUtils.DegRad;
}
for (int i = 0, p = 3; i < boneCount; i++, p += 3)
{
Bone bone = (Bone)bones[i];
bone.worldX += (boneX - bone.worldX) * translateMix;
bone.worldY += (boneY - bone.worldY) * translateMix;
float x = positions[p], y = positions[p + 1], dx = x - boneX, dy = y - boneY;
if (scale)
{
float length = lengths.Items[i];
if (length != 0)
{
float s = ((float)Math.Sqrt(dx * dx + dy * dy) / length - 1) * rotateMix + 1;
bone.a *= s;
bone.c *= s;
}
}
boneX = x;
boneY = y;
if (rotate)
{
float a = bone.a, b = bone.b, c = bone.c, d = bone.d, r, cos, sin;
if (tangents)
{
r = positions[p - 1];
}
else if (spaces.Items[i + 1] == 0)
{
r = positions[p + 2];
}
else
{
r = MathUtils.Atan2(dy, dx);
}
r -= MathUtils.Atan2(c, a);
if (tip)
{
cos = MathUtils.Cos(r);
sin = MathUtils.Sin(r);
float length = bone.data.length;
boneX += (length * (cos * a - sin * c) - dx) * rotateMix;
boneY += (length * (sin * a + cos * c) - dy) * rotateMix;
}
else
{
r += offsetRotation;
}
if (r > MathUtils.PI)
{
r -= MathUtils.PI2;
}
else if (r < -MathUtils.PI) //
{
r += MathUtils.PI2;
}
r *= rotateMix;
cos = MathUtils.Cos(r);
sin = MathUtils.Sin(r);
bone.a = cos * a - sin * c;
bone.b = cos * b - sin * d;
bone.c = sin * a + cos * c;
bone.d = sin * b + cos * d;
}
bone.appliedValid = false;
}
}