Ejemplo n.º 1
0
static void ConvertRuneAnimations(UMeshAnimation &Anim, const TArray<RJoint> &Bones,
	const TArray<FRSkelAnimSeq> &Seqs)
{
	guard(ConvertRuneAnimations);

	int i, j;
	int numBones = Bones.Num();
	// create RefBones
	Anim.RefBones.Empty(Bones.Num());
	for (i = 0; i < Bones.Num(); i++)
	{
		const RJoint &SB = Bones[i];
		FNamedBone *B = new(Anim.RefBones) FNamedBone;
		B->Name        = SB.name;
		B->Flags       = 0;
		B->ParentIndex = SB.parent;
	}
	// create AnimSeqs
	Anim.AnimSeqs.Empty(Seqs.Num());
	Anim.Moves.Empty(Seqs.Num());
	for (i = 0; i < Seqs.Num(); i++)
	{
		// create FMeshAnimSeq
		const FRSkelAnimSeq &SS = Seqs[i];
		FMeshAnimSeq *S = new(Anim.AnimSeqs) FMeshAnimSeq;
		S->Name       = SS.Name;
		CopyArray(S->Groups, SS.Groups);
		S->StartFrame = 0;
		S->NumFrames  = SS.NumFrames;
		S->Rate       = SS.Rate;
		//?? S->Notifys
		// create MotionChunk
		MotionChunk *M = new(Anim.Moves) MotionChunk;
		M->TrackTime  = SS.NumFrames;
		// dummy bone remap
		M->AnimTracks.Empty(numBones);
		// convert animation data
		const byte *data = &SS.animdata[0];
		for (j = 0; j < numBones; j++)
		{
			// prepare AnalogTrack
			AnalogTrack *A = new(M->AnimTracks) AnalogTrack;
			A->KeyQuat.Empty(SS.NumFrames);
			A->KeyPos.Empty(SS.NumFrames);
			A->KeyTime.Empty(SS.NumFrames);
		}
		for (int frame = 0; frame < SS.NumFrames; frame++)
		{
			for (int joint = 0; joint < numBones; joint++)
			{
				AnalogTrack &A = M->AnimTracks[joint];

				FVector pos, scale;
				pos.Set(0, 0, 0);
				scale.Set(1, 1, 1);
				FRotator rot;
				rot.Set(0, 0, 0);

				byte f = *data++;
				int16 d;
#define GET		d = data[0] + (data[1] << 8); data += 2;
#define GETF(v)	{ GET; v = (float)d / 256.0f; }
#define GETI(v)	{ GET; v = d; }
				// decode position
				if (f & 1)    GETF(pos.X);
				if (f & 2)    GETF(pos.Y);
				if (f & 4)    GETF(pos.Z);
				// decode scale
				if (f & 8)  { GETF(scale.X); GETF(scale.Z); }
				if (f & 0x10) GETF(scale.Y);
				// decode rotation
				if (f & 0x20) GETI(rot.Pitch);
				if (f & 0x40) GETI(rot.Yaw);
				if (f & 0x80) GETI(rot.Roll);
#undef GET
#undef GETF
#undef GETI
				A.KeyQuat.Add(EulerToQuat(rot));
				A.KeyPos.Add(pos);
				//?? notify about scale!=(1,1,1)
			}
		}
		assert(data == &SS.animdata[0] + SS.animdata.Num());
	}

	unguard;
}