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
|
// K-3D
// Copyright (c) 1995-2006, 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
\author Tim Shead <tshead@k-3d.com>
\author Romain Behar <romainbehar@yahoo.com>
*/
#include "lights.h"
namespace module
{
namespace yafray
{
/////////////////////////////////////////////////////////////////////////////
// hemi_light
class hemi_light :
public renderable_light<colored_light<light<k3d::transformable<k3d::node > > > >
{
typedef renderable_light<colored_light<light<k3d::transformable<k3d::node > > > > base;
public:
hemi_light(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document),
m_quadric(gluNewQuadric()),
m_power(init_owner(*this) + init_name("power") + init_label(_("power")) + init_description(_("Power")) + init_value(2.0)),
m_samples(init_owner(*this) + init_name("samples") + init_label(_("samples")) + init_description(_("Samples")) + init_value(256) + init_constraint(k3d::data::constraint::minimum<k3d::int32_t>(0, k3d::data::constraint::maximum<k3d::int32_t>(1024)))),
m_use_QMC(init_owner(*this) + init_name("use_QMC") + init_label(_("use_QMC")) + init_description(_("Use QMC")) + init_value(false)),
m_maxdistance(init_owner(*this) + init_name("maxdistance") + init_label(_("maxdistance")) + init_description(_("Max. distance")) + init_value(-1.0))
{
// We override the default white color ...
m_color.internal_value() = k3d::color(0.9, 0.9, 1.0);
}
~hemi_light()
{
gluDeleteQuadric(m_quadric);
}
void setup_light(const k3d::string_t& Name, std::ostream& Stream)
{
if(!m_emit.pipeline_value())
return;
const k3d::color color = m_color.pipeline_value();
Stream << "<!-- K-3D plugin: " << factory().name() << " name: " << name() << " -->\n";
Stream << "<light type=\"hemilight\" name=\"" << Name << "\" power=\"" << m_power.pipeline_value() << "\" samples=\"" << m_samples.pipeline_value() << "\" use_QMC=\"" << (m_use_QMC.pipeline_value() ? "on" : "off") << "\" maxdistance=\"" << m_maxdistance.pipeline_value() << "\">\n";
Stream << " <color r=\"" << color.red << "\" g=\"" << color.green << "\" b=\"" << color.blue << "\"/>\n";
Stream << "</light>\n";
}
void on_gl_draw(const k3d::gl::render_state& State)
{
k3d::gl::store_attributes attributes;
k3d::gl::material(GL_FRONT_AND_BACK, GL_AMBIENT, k3d::color(0, 0, 0));
k3d::gl::material(GL_FRONT_AND_BACK, GL_DIFFUSE, State.node_selection ? k3d::color(1, 1, 1) : k3d::color(0.4, 0.4, 0.4));
k3d::gl::material(GL_FRONT_AND_BACK, GL_SPECULAR, k3d::color(0, 0, 0));
k3d::gl::material(GL_FRONT_AND_BACK, GL_EMISSION, k3d::color(0, 0, 0));
glEnable(GL_LIGHTING);
draw_geometry();
}
void on_gl_select(const k3d::gl::render_state& State, const k3d::gl::selection_state& SelectState)
{
k3d::gl::store_attributes attributes;
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
k3d::gl::push_selection_token(this);
draw_geometry();
k3d::gl::pop_selection_token();
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<hemi_light > factory(
k3d::uuid(0xa0661dc7, 0x52cd4990, 0x8e6a0aa8, 0x87bdd89d),
"YafrayHemiLight",
_("Yafray Hemi Light"),
"Yafray Light",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
void draw_geometry()
{
const GLdouble radius = 0.5;
const GLint sides = 16;
const double stacks = 4;
const double angle = k3d::pi_over_2() / stacks;
for(double n = 0; n < stacks; ++n)
{
const double angle1 = angle * n;
const double angle2 = angle * (n + 1);
const double z1 = sin(angle1) * radius;
const double z2 = sin(angle2) * radius;
const double r1 = cos(angle1) * radius;
const double r2 = cos(angle2) * radius;
glPushMatrix();
glTranslated(0, 0, z1);
gluCylinder(m_quadric, r1, r2 ? r2 : 0.001, z2 - z1, sides, 1);
glPopMatrix();
}
}
/// Stores a GLU quadric object for drawing the manipulators
GLUquadricObj* const m_quadric;
k3d_data(double, immutable_name, change_signal, with_undo, local_storage, no_constraint, writable_property, with_serialization) m_power;
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, writable_property, with_serialization) m_samples;
k3d_data(bool, immutable_name, change_signal, with_undo, local_storage, no_constraint, writable_property, with_serialization) m_use_QMC;
k3d_data(double, immutable_name, change_signal, with_undo, local_storage, no_constraint, writable_property, with_serialization) m_maxdistance;
};
k3d::iplugin_factory& hemi_light_factory()
{
return hemi_light::get_factory();
}
} // namespace yafray
} // namespace module
|
