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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/**
* @file llmodel.h
* @brief Model handling class definitions
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLMODEL_H
#define LL_LLMODEL_H
#include "llvolume.h"
#include "v4math.h"
#include "m4math.h"
class daeElement;
class domMesh;
#define MAX_MODEL_FACES 8
class LLModel : public LLVolume
{
public:
enum
{
LOD_IMPOSTOR = 0,
LOD_LOW,
LOD_MEDIUM,
LOD_HIGH,
LOD_PHYSICS,
NUM_LODS
};
//physics shape is a vector of convex hulls
//each convex hull is a set of points
typedef std::vector<LLVector3> hull;
typedef std::vector<hull> physics_shape;
LLModel(LLVolumeParams& params, F32 detail);
static LLSD writeModel(std::string filename, LLModel* physics, LLModel* high, LLModel* medium, LLModel* low, LLModel* imposotr, LLModel::physics_shape& physics_shape, bool upload_skin, bool upload_joints, bool nowrite = FALSE);
static LLSD writeModel(std::string filename, LLModel* physics, LLModel* high, LLModel* medium, LLModel* low, LLModel* imposotr, LLModel::physics_shape& physics_shape, LLModel::hull& base_hull, bool upload_skin, bool upload_joints, bool nowrite = FALSE);
static LLSD writeModel(std::ostream& ostr, LLModel* physics, LLModel* high, LLModel* medium, LLModel* low, LLModel* imposotr, LLModel::physics_shape& physics_shape, LLModel::hull& base_hull, bool upload_skin, bool upload_joints, bool nowrite = FALSE);
static LLSD writeModelToStream(std::ostream& ostr, LLSD& mdl, BOOL nowrite = FALSE);
static LLModel* loadModelFromAsset(std::string filename, S32 lod);
static LLModel* loadModelFromDae(std::string filename);
static LLModel* loadModelFromDomMesh(domMesh* mesh);
static std::string getElementLabel(daeElement* element);
void appendFaces(LLModel* model, LLMatrix4& transform, LLMatrix4& normal_transform);
void appendFace(const LLVolumeFace& src_face, std::string src_material, LLMatrix4& mat, LLMatrix4& norm_mat);
void setNumVolumeFaces(S32 count);
void setVolumeFaceData(S32 f,
LLStrider<LLVector3> pos,
LLStrider<LLVector3> norm,
LLStrider<LLVector2> tc,
LLStrider<U16> ind,
U32 num_verts,
U32 num_indices);
void smoothNormals(F32 angle_cutoff);
void addFace(const LLVolumeFace& face);
void normalizeVolumeFaces();
void optimizeVolumeFaces();
U32 getResourceCost();
void getNormalizedScaleTranslation(LLVector3& scale_out, LLVector3& translation_out);
std::vector<std::string> mMaterialList;
//data used for skin weights
class JointWeight
{
public:
S32 mJointIdx;
F32 mWeight;
JointWeight()
{
mJointIdx = 0;
mWeight = 0.f;
}
JointWeight(S32 idx, F32 weight)
: mJointIdx(idx), mWeight(weight)
{
}
bool operator<(const JointWeight& rhs) const
{
if (mWeight == rhs.mWeight)
{
return mJointIdx < rhs.mJointIdx;
}
return mWeight < rhs.mWeight;
}
};
struct CompareWeightGreater
{
bool operator()(const JointWeight& lhs, const JointWeight& rhs)
{
return rhs < lhs; // strongest = first
}
};
//copy of position array for this model -- mPosition[idx].mV[X,Y,Z]
std::vector<LLVector3> mPosition;
//map of positions to skin weights --- mSkinWeights[pos].mV[0..4] == <joint_index>.<weight>
//joint_index corresponds to mJointList
typedef std::vector<JointWeight> weight_list;
typedef std::map<LLVector3, weight_list > weight_map;
weight_map mSkinWeights;
//get list of weight influences closest to given position
weight_list& getJointInfluences(const LLVector3& pos);
//should always be true that mJointList[mJointMap["foo"]] == "foo"
//map of joint names to joint index
std::map<std::string, U32> mJointMap;
//list of joint names
std::vector<std::string> mJointList;
LLMatrix4 mBindShapeMatrix;
std::vector<LLMatrix4> mInvBindMatrix;
std::vector<LLMatrix4> mAlternateBindMatrix;
std::string mLabel;
LLVector3 mNormalizedScale;
LLVector3 mNormalizedTranslation;
//physics shape
physics_shape mPhysicsShape;
void setPhysicsShape(const physics_shape& shape);
LLVector3 mPhysicsCenter;
std::vector<LLVector3> mHullCenter;
U32 mPhysicsPoints;
protected:
void addVolumeFacesFromDomMesh(domMesh* mesh);
virtual BOOL createVolumeFacesFromFile(const std::string& file_name);
virtual BOOL createVolumeFacesFromDomMesh(domMesh *mesh);
};
#endif //LL_LLMODEL_H
|
