/// <summary>
/// <para>Attachments from the new skin are attached if the corresponding attachment from the old skin was attached.
/// If there was no old skin, each slot's setup mode attachment is attached from the new skin.</para>
/// <para>After changing the skin, the visible attachments can be reset to those attached in the setup pose by calling
/// <see cref="Skeleton.SetSlotsToSetupPose()"/>.
/// Also, often <see cref="AnimationState.Apply(Skeleton)"/> is called before the next time the
/// skeleton is rendered to allow any attachment keys in the current animation(s) to hide or show attachments from the new skin.</para>
/// </summary>
/// <param name="newSkin">May be null.</param>
public void SetSkin(Skin newSkin)
{
if (newSkin != null)
{
if (skin != null)
{
newSkin.AttachAll(this, skin);
}
else
{
ExposedList <Slot> slots = this.slots;
for (int i = 0, n = slots.Count; i < n; i++)
{
Slot slot = slots.Items[i];
string name = slot.data.attachmentName;
if (name != null)
{
Attachment attachment = newSkin.GetAttachment(i, name);
if (attachment != null)
{
slot.Attachment = attachment;
}
}
}
}
}
skin = newSkin;
}
/// <returns>May be null.</returns>
public Attachment GetAttachment(int slotIndex, string attachmentName)
{
if (attachmentName == null)
{
throw new ArgumentNullException("attachmentName", "attachmentName cannot be null.");
}
if (skin != null)
{
Attachment attachment = skin.GetAttachment(slotIndex, attachmentName);
if (attachment != null)
{
return(attachment);
}
}
return(data.defaultSkin != null?data.defaultSkin.GetAttachment(slotIndex, attachmentName) : null);
}
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_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;
}
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_TWO_COLOR: {
TwoColorTimeline timeline = new TwoColorTimeline(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;
int color2 = ReadInt(input); // 0x00rrggbb
float r2 = ((color2 & 0x00ff0000) >> 16) / 255f;
float g2 = ((color2 & 0x0000ff00) >> 8) / 255f;
float b2 = ((color2 & 0x000000ff)) / 255f;
timeline.SetFrame(frameIndex, time, r, g, b, a, r2, g2, b2);
if (frameIndex < frameCount - 1)
{
ReadCurve(input, frameIndex, timeline);
}
}
timelines.Add(timeline);
duration = Math.Max(duration, timeline.frames[(timeline.FrameCount - 1) * TwoColorTimeline.ENTRIES]);
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;
int darkColor = ReadInt(input); // 0x00rrggbb
if (darkColor != -1)
{
slotData.hasSecondColor = true;
slotData.r2 = ((darkColor & 0x00ff0000) >> 16) / 255f;
slotData.g2 = ((darkColor & 0x0000ff00) >> 8) / 255f;
slotData.b2 = ((darkColor & 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.local = ReadBoolean(input);
data.relative = ReadBoolean(input);
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, skeletonData, "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, skeletonData, 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);
}