1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/**
* @file llskinningutil.h
* @brief Functions for mesh object skinning
* @author vir@lindenlab.com
*
* $LicenseInfo:firstyear=2015&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2015, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLSKINNINGUTIL_H
#define LLSKINNINGUTIL_H
#include "v2math.h"
#include "v4math.h"
#include "llvector4a.h"
#include "llmatrix4a.h"
class LLVOAvatar;
class LLMeshSkinInfo;
class LLVolumeFace;
class LLJointRiggingInfoTab;
namespace LLSkinningUtil
{
S32 getMaxJointCount();
S32 getMaxGLTFJointCount();
U32 getMeshJointCount(const LLMeshSkinInfo *skin);
void scrubInvalidJoints(LLVOAvatar *avatar, LLMeshSkinInfo* skin);
void initSkinningMatrixPalette(LLMatrix4a* mat, S32 count, const LLMeshSkinInfo* skin, LLVOAvatar *avatar);
void checkSkinWeights(LLVector4a* weights, U32 num_vertices, const LLMeshSkinInfo* skin);
void scrubSkinWeights(LLVector4a* weights, U32 num_vertices, const LLMeshSkinInfo* skin);
void getPerVertexSkinMatrix(F32* weights, const LLMatrix4a* mat, bool handle_bad_scale, LLMatrix4a& final_mat, U32 max_joints);
LL_FORCE_INLINE void getPerVertexSkinMatrixWithIndices(
F32* weights,
U8* idx,
LLMatrix4a* mat,
LLMatrix4a& final_mat,
LLMatrix4a* src)
{
final_mat.clear();
src[0].setMul(mat[idx[0]], weights[0]);
src[1].setMul(mat[idx[1]], weights[1]);
final_mat.add(src[0]);
final_mat.add(src[1]);
src[2].setMul(mat[idx[2]], weights[2]);
src[3].setMul(mat[idx[3]], weights[3]);
final_mat.add(src[2]);
final_mat.add(src[3]);
}
void initJointNums(LLMeshSkinInfo* skin, LLVOAvatar *avatar);
void updateRiggingInfo(const LLMeshSkinInfo* skin, LLVOAvatar *avatar, LLVolumeFace& vol_face);
LLQuaternion getUnscaledQuaternion(const LLMatrix4& mat4);
};
#endif
|
