static public int constructor(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
UnityEngine.U2D.SpriteBone o;
o = new UnityEngine.U2D.SpriteBone();
pushValue(l, true);
pushValue(l, o);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
static void CalculateLocaltoWorldMatrix(int i, SpriteRect spriteRect, float definitionScale, float pixelsPerUnit, List <UnityEngine.U2D.SpriteBone> spriteBone, ref UnityEngine.U2D.SpriteBone?[] outpriteBone, ref NativeArray <Matrix4x4> bindPose)
{
if (outpriteBone[i] != null)
{
return;
}
UnityEngine.U2D.SpriteBone sp = spriteBone[i];
var isRoot = sp.parentId == -1;
var position = isRoot ? (spriteBone[i].position - Vector3.Scale(spriteRect.rect.size, spriteRect.pivot)) : spriteBone[i].position;
position.z = 0f;
sp.position = position * definitionScale / pixelsPerUnit;
sp.length = spriteBone[i].length * definitionScale / pixelsPerUnit;
outpriteBone[i] = sp;
// Calculate bind poses
var worldPosition = Vector3.zero;
var worldRotation = Quaternion.identity;
if (sp.parentId == -1)
{
worldPosition = sp.position;
worldRotation = sp.rotation;
}
else
{
if (outpriteBone[sp.parentId] == null)
{
CalculateLocaltoWorldMatrix(sp.parentId, spriteRect, definitionScale, pixelsPerUnit, spriteBone, ref outpriteBone, ref bindPose);
}
var parentBindPose = bindPose[sp.parentId];
var invParentBindPose = Matrix4x4.Inverse(parentBindPose);
worldPosition = invParentBindPose.MultiplyPoint(sp.position);
worldRotation = sp.rotation * invParentBindPose.rotation;
}
// Practically Matrix4x4.SetTRInverse
var rot = Quaternion.Inverse(worldRotation);
Matrix4x4 mat = Matrix4x4.identity;
mat = Matrix4x4.Rotate(rot);
mat = mat * Matrix4x4.Translate(-worldPosition);
bindPose[i] = mat;
}