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
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup collada
*/
/* COLLADABU_ASSERT, may be able to remove later */
#include "COLLADABUPlatform.h"
#include "TransformReader.h"
TransformReader::TransformReader(UnitConverter *conv) : unit_converter(conv)
{
/* pass */
}
void TransformReader::get_node_mat(float mat[4][4],
COLLADAFW::Node *node,
std::map<COLLADAFW::UniqueId, Animation> *animation_map,
Object *ob)
{
get_node_mat(mat, node, animation_map, ob, nullptr);
}
void TransformReader::get_node_mat(float mat[4][4],
COLLADAFW::Node *node,
std::map<COLLADAFW::UniqueId, Animation> *animation_map,
Object *ob,
float parent_mat[4][4])
{
float cur[4][4];
float copy[4][4];
unit_m4(mat);
for (unsigned int i = 0; i < node->getTransformations().getCount(); i++) {
COLLADAFW::Transformation *tm = node->getTransformations()[i];
COLLADAFW::Transformation::TransformationType type = tm->getTransformationType();
switch (type) {
case COLLADAFW::Transformation::MATRIX:
/* When matrix AND Trans/Rot/Scale are defined for a node,
* then this is considered as redundant information.
* So if we find a Matrix we use that and return. */
dae_matrix_to_mat4(tm, mat);
if (parent_mat) {
mul_m4_m4m4(mat, parent_mat, mat);
}
return;
case COLLADAFW::Transformation::TRANSLATE:
dae_translate_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::ROTATE:
dae_rotate_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::SCALE:
dae_scale_to_mat4(tm, cur);
break;
case COLLADAFW::Transformation::LOOKAT:
fprintf(stderr, "|! LOOKAT transformations are not supported yet.\n");
break;
case COLLADAFW::Transformation::SKEW:
fprintf(stderr, "|! SKEW transformations are not supported yet.\n");
break;
}
copy_m4_m4(copy, mat);
mul_m4_m4m4(mat, copy, cur);
if (animation_map) {
/* AnimationList that drives this Transformation */
const COLLADAFW::UniqueId &anim_list_id = tm->getAnimationList();
/* store this so later we can link animation data with ob */
Animation anim = {ob, node, tm};
(*animation_map)[anim_list_id] = anim;
}
}
if (parent_mat) {
mul_m4_m4m4(mat, parent_mat, mat);
}
}
void TransformReader::dae_rotate_to_mat4(COLLADAFW::Transformation *tm, float m[4][4])
{
COLLADAFW::Rotate *ro = (COLLADAFW::Rotate *)tm;
COLLADABU::Math::Vector3 &axis = ro->getRotationAxis();
const float angle = (float)DEG2RAD(ro->getRotationAngle());
const float ax[] = {(float)axis[0], (float)axis[1], (float)axis[2]};
#if 0
float quat[4];
axis_angle_to_quat(quat, axis, angle);
quat_to_mat4(m, quat);
#endif
axis_angle_to_mat4(m, ax, angle);
}
void TransformReader::dae_translate_to_mat4(COLLADAFW::Transformation *tm, float m[4][4])
{
COLLADAFW::Translate *tra = (COLLADAFW::Translate *)tm;
COLLADABU::Math::Vector3 &t = tra->getTranslation();
unit_m4(m);
m[3][0] = (float)t[0];
m[3][1] = (float)t[1];
m[3][2] = (float)t[2];
}
void TransformReader::dae_scale_to_mat4(COLLADAFW::Transformation *tm, float m[4][4])
{
COLLADABU::Math::Vector3 &s = ((COLLADAFW::Scale *)tm)->getScale();
float size[3] = {(float)s[0], (float)s[1], (float)s[2]};
size_to_mat4(m, size);
}
void TransformReader::dae_matrix_to_mat4(COLLADAFW::Transformation *tm, float m[4][4])
{
UnitConverter::dae_matrix_to_mat4_(m, ((COLLADAFW::Matrix *)tm)->getMatrix());
}
void TransformReader::dae_translate_to_v3(COLLADAFW::Transformation *tm, float v[3])
{
dae_vector3_to_v3(((COLLADAFW::Translate *)tm)->getTranslation(), v);
}
void TransformReader::dae_scale_to_v3(COLLADAFW::Transformation *tm, float v[3])
{
dae_vector3_to_v3(((COLLADAFW::Scale *)tm)->getScale(), v);
}
void TransformReader::dae_vector3_to_v3(const COLLADABU::Math::Vector3 &v3, float v[3])
{
v[0] = v3.x;
v[1] = v3.y;
v[2] = v3.z;
}
|
