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
|
#include "ParticleParameter.h"
#include "StageDef.h"
#include "itextstream.h"
namespace particles
{
void ParticleParameter::setFrom(float value)
{
_from = value;
_stage.onParameterChanged();
}
void ParticleParameter::setTo(float value)
{
_to = value;
_stage.onParameterChanged();
}
void ParticleParameter::parseFromTokens(parser::DefTokeniser& tok)
{
std::string val = tok.nextToken();
try
{
setFrom(std::stof(val));
}
catch (std::invalid_argument&)
{
rError() << "[particles] Bad lower value, token is '" <<
val << "'" << std::endl;
}
if (tok.peek() == "to")
{
// Upper value is there, parse it
tok.skipTokens(1); // skip the "to"
val = tok.nextToken();
try
{
// cut off the quotes before converting to double
setTo(std::stof(val));
}
catch (std::invalid_argument&)
{
rError() << "[particles] Bad upper value, token is '" <<
val << "'" << std::endl;
}
}
else
{
setTo(getFrom());
}
}
std::ostream& operator<<(std::ostream& stream, const ParticleParameter& param)
{
stream << "\"" << param.getFrom() << "\"";
if (param.getFrom() != param.getTo())
{
stream << " to " << "\"" << param.getTo() << "\"";
}
return stream;
}
} // namespace
|
