public BoneAnimPath(Type type, string animName, string objectName)
{
this.type = type;
var typeStr = TypeToString(type);
target = new GlTF_Target();
target.id = objectName;
target.path = typeStr;
var subName = typeStr + "_" + animName + "_" + objectName;
sampler = new GlTF_AnimSampler("sampler_" + subName, "param_" + subName);
channel = new GlTF_Channel(sampler, target);
accessor = new GlTF_Accessor("accessor_anim_" + subName, TypeToAccType(type), GlTF_Accessor.ComponentType.FLOAT);
switch (type)
{
case Type.Translation:
case Type.Scale:
accessor.bufferView = GlTF_Writer.vec3BufferView;
break;
case Type.Rotation:
accessor.bufferView = GlTF_Writer.vec4BufferView;
break;
}
GlTF_Writer.accessors.Add(accessor);
}
public GlTF_Channel(GlTF_Globals globals, string ch, GlTF_AnimSampler s) : base(globals)
{
sampler = s;
switch (ch)
{
case "translation":
break;
case "rotation":
break;
case "scale":
break;
}
}
public void Populate(AnimationClip clip, Transform tr, bool bake = true)
{
// 1. browse clip, collect all curves and create a TargetCurveSet for each target
Dictionary <string, TargetCurveSet> targetCurvesBinding = new Dictionary <string, TargetCurveSet>();
collectClipCurves(clip, ref targetCurvesBinding);
// Baking needs all properties, fill missing curves with transform data in 2 keyframes (start, endTime)
// where endTime is clip duration
generateMissingCurves(clip.length, ref tr, ref targetCurvesBinding);
if (bake)
{
// Bake animation for all animated nodes
foreach (string target in targetCurvesBinding.Keys)
{
Transform targetTr = target.Length > 0 ? tr.Find(target) : tr;
if (targetTr == null)
{
continue;
}
Transform targetObject = targetTr;
string targetId = GlTF_Node.GetNameFromObject(targetObject);
// Initialize accessors for current animation
GlTF_Accessor timeAccessor = new GlTF_Accessor(targetId + "_TimeAccessor_" + clip.name, GlTF_Accessor.Type.SCALAR, GlTF_Accessor.ComponentType.FLOAT);
timeAccessor.bufferView = GlTF_Writer.floatBufferView;
int timeAccessorIndex = GlTF_Writer.accessors.Count;
GlTF_Writer.accessors.Add(timeAccessor);
// Translation
GlTF_Channel chTranslation = new GlTF_Channel("translation", animSamplers.Count);
GlTF_Target targetTranslation = new GlTF_Target();
targetTranslation.id = targetId;
targetTranslation.path = "translation";
chTranslation.target = targetTranslation;
channels.Add(chTranslation);
GlTF_AnimSampler sTranslation = new GlTF_AnimSampler(timeAccessorIndex, GlTF_Writer.accessors.Count);
GlTF_Accessor translationAccessor = new GlTF_Accessor(targetId + "_TranslationAccessor_" + clip.name, GlTF_Accessor.Type.VEC3, GlTF_Accessor.ComponentType.FLOAT);
translationAccessor.bufferView = GlTF_Writer.vec3BufferView;
GlTF_Writer.accessors.Add(translationAccessor);
animSamplers.Add(sTranslation);
// Rotation
GlTF_Channel chRotation = new GlTF_Channel("rotation", animSamplers.Count);
GlTF_Target targetRotation = new GlTF_Target();
targetRotation.id = GlTF_Node.GetNameFromObject(targetObject);
targetRotation.path = "rotation";
chRotation.target = targetRotation;
channels.Add(chRotation);
GlTF_AnimSampler sRotation = new GlTF_AnimSampler(timeAccessorIndex, GlTF_Writer.accessors.Count);
GlTF_Accessor rotationAccessor = new GlTF_Accessor(targetId + "_RotationAccessor_" + clip.name, GlTF_Accessor.Type.VEC4, GlTF_Accessor.ComponentType.FLOAT);
rotationAccessor.bufferView = GlTF_Writer.vec4BufferView;
GlTF_Writer.accessors.Add(rotationAccessor);
animSamplers.Add(sRotation);
// Scale
GlTF_Channel chScale = new GlTF_Channel("scale", animSamplers.Count);
GlTF_Target targetScale = new GlTF_Target();
targetScale.id = GlTF_Node.GetNameFromObject(targetObject);
targetScale.path = "scale";
chScale.target = targetScale;
channels.Add(chScale);
GlTF_AnimSampler sScale = new GlTF_AnimSampler(timeAccessorIndex, GlTF_Writer.accessors.Count);
GlTF_Accessor scaleAccessor = new GlTF_Accessor(targetId + "_ScaleAccessor_" + clip.name, GlTF_Accessor.Type.VEC3, GlTF_Accessor.ComponentType.FLOAT);
scaleAccessor.bufferView = GlTF_Writer.vec3BufferView;
GlTF_Writer.accessors.Add(scaleAccessor);
animSamplers.Add(sScale);
// Bake and populate animation data
float[] times = null;
Vector3[] positions = null;
Vector3[] scales = null;
Vector4[] rotations = null;
bakeCurveSet(targetCurvesBinding[target], clip.length, bakingFramerate, ref times, ref positions, ref rotations, ref scales);
// Populate accessors
timeAccessor.Populate(times);
translationAccessor.Populate(positions);
rotationAccessor.Populate(rotations, false);
scaleAccessor.Populate(scales, true);
}
}
else
{
Debug.LogError("Only baked animation is supported for now. Skipping animation");
}
}
public GlTF_Channel (string ch, GlTF_AnimSampler s) {
sampler = s;
switch (ch)
{
case "translation":
break;
case "rotation":
break;
case "scale":
break;
}
}
public void Populate (AnimationClip c)
{
// AnimationUtility.GetCurveBindings(c);
// look at each curve
// if position, rotation, scale detected for first time
// create channel, sampler, param for it
// populate this curve into proper component
AnimationClipCurveData[] curveDatas = AnimationUtility.GetAllCurves(c, true);
if (curveDatas != null)
count = curveDatas[0].curve.keys.Length;
for (int i = 0; i < curveDatas.Length; i++)
{
string propName = curveDatas[i].propertyName;
if (propName.Contains("m_LocalPosition"))
{
if (!gotTranslation)
{
gotTranslation = true;
GlTF_AnimSampler s = new GlTF_AnimSampler(name+"_AnimSampler", "translation");
GlTF_Channel ch = new GlTF_Channel("translation", s);
GlTF_Target target = new GlTF_Target();
target.id = "FIXTHIS";
target.path = "translation";
ch.target = target;
channels.Add (ch);
animSamplers.Add (s);
}
}
if (propName.Contains("m_LocalRotation"))
{
if (!gotRotation)
{
gotRotation = true;
GlTF_AnimSampler s = new GlTF_AnimSampler(name+"_RotationSampler", "rotation");
GlTF_Channel ch = new GlTF_Channel("rotation", s);
GlTF_Target target = new GlTF_Target();
target.id = "FIXTHIS";
target.path = "rotation";
ch.target = target;
channels.Add (ch);
animSamplers.Add (s);
}
}
if (propName.Contains("m_LocalScale"))
{
if (!gotScale)
{
gotScale = true;
GlTF_AnimSampler s = new GlTF_AnimSampler(name+"_ScaleSampler", "scale");
GlTF_Channel ch = new GlTF_Channel("scale", s);
GlTF_Target target = new GlTF_Target();
target.id = "FIXTHIS";
target.path = "scale";
ch.target = target;
channels.Add (ch);
animSamplers.Add (s);
}
}
parameters.Populate (curveDatas[i]);
// Type propType = curveDatas[i].type;
}
}
public GlTF_Channel(GlTF_AnimSampler s, GlTF_Target t)
{
sampler = s;
target = t;
}
