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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
// K-3D
// Copyright (c) 1995-2004, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\brief Implements a deformation bone primitive for use with skeletons & kinematics
\author Timothy M. Shead (tshead@k-3d.com)
\author Brett W. McCoy (bmccoy@chapelperilous.net)
*/
#include <k3dsdk/bounded.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_filter.h>
#include <k3dsdk/module.h>
#include <k3dsdk/object.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/transformable.h>
#include <k3dsdk/viewport.h>
namespace libk3ddeformation
{
namespace detail
{
/// Functor object for applying a transformation to a collection of points
struct transform_points
{
transform_points(const k3d::matrix4& Matrix) :
matrix(Matrix)
{
}
void operator()(k3d::point* const Point)
{
Point->position = matrix * Point->position;
}
const k3d::matrix4 matrix;
};
}
/////////////////////////////////////////////////////////////////////////////
// deformation_bone_implementation
class deformation_bone_implementation :
public k3d::bounded<k3d::viewport::drawable<k3d::mesh_filter<k3d::transformable<k3d::persistent<k3d::object> > > > >
{
typedef k3d::bounded<k3d::viewport::drawable<k3d::mesh_filter<k3d::transformable<k3d::persistent<k3d::object> > > > > base;
public:
deformation_bone_implementation(k3d::idocument& Document) :
base(Document),
m_length(k3d::init_name("length") + k3d::init_description("Length [number]") + k3d::init_value(5.0) + k3d::init_document(Document) + k3d::init_precision(2) + k3d::init_step_increment(0.1) + k3d::init_units(typeid(k3d::measurement::distance)))
{
enable_serialization(k3d::persistence::proxy(m_length));
register_property(m_length);
m_input_mesh.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::on_reset_geometry));
m_input_matrix.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::on_reset_geometry));
m_position.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::on_reset_geometry));
m_orientation.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::on_reset_geometry));
m_scale.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::on_reset_geometry));
m_length.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::async_redraw_all));
m_position.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::async_redraw_all));
m_orientation.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::async_redraw_all));
m_scale.changed_signal().connect(SigC::slot(*this, &deformation_bone_implementation::async_redraw_all));
m_output_mesh.need_data_signal().connect(SigC::slot(*this, &deformation_bone_implementation::on_create_geometry));
}
void on_reset_geometry()
{
m_output_mesh.reset();
}
k3d::mesh* on_create_geometry()
{
// Get the input geometry ...
k3d::mesh* const input = m_input_mesh.property_value();
if(!input)
return 0;
// Create output geometry ...
k3d::mesh* const output = new k3d::mesh();
k3d::deep_copy(*input, *output);
// Transform the points ...
std::for_each(output->points.begin(), output->points.end(), detail::transform_points(matrix()));
return output;
}
const k3d::bounding_box extents()
{
const double length = m_length.property_value();
return k3d::bounding_box(.5, -.5, length, -.5, .5, -.5);
}
void draw(const double length)
{
glBegin(GL_TRIANGLE_FAN);
glVertex3d(0, 0, length);
glVertex3d(0, 0.5, 0);
glVertex3d(0.5, 0, 0);
glVertex3d(0, -0.5, 0);
glVertex3d(-0.5, 0, 0);
glVertex3d(0, 0.5, 0);
glEnd();
glBegin(GL_TRIANGLE_FAN);
glVertex3d(0, 0, length * -0.1);
glVertex3d(0, 0.5, 0);
glVertex3d(0.5, 0, 0);
glVertex3d(0, -0.5, 0);
glVertex3d(-0.5, 0, 0);
glVertex3d(0, 0.5, 0);
glEnd();
}
void on_viewport_draw(const k3d::viewport::render_state& State)
{
glColor3dv(is_selected() ? k3d::vector3(1, 1, 1) : k3d::vector3(0, 0, 0));
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glDisable(GL_TEXTURE_1D);
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glDisable(GL_AUTO_NORMAL);
glDisable(GL_CULL_FACE);
draw(m_length.property_value());
}
void on_viewport_select(const k3d::viewport::render_state& State)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glDisable(GL_TEXTURE_1D);
glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glDisable(GL_AUTO_NORMAL);
glDisable(GL_CULL_FACE);
k3d::glPushName(this);
draw(m_length.property_value());
k3d::glPopName();
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<k3d::document_plugin<deformation_bone_implementation>,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink> > > factory(
k3d::uuid(0x54e46452, 0x681f4ed6, 0xb30832d5, 0x06a69295),
"DeformationBone",
"Deformation Bone",
"Objects",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
private:
k3d_measurement_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_length;
};
/////////////////////////////////////////////////////////////////////////////
// deformation_bone_factory
k3d::iplugin_factory& deformation_bone_factory()
{
return deformation_bone_implementation::get_factory();
}
} // namespace libk3ddeformation
|
