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
|
#include "AmbiguousRule.h"
#include "Builder.h"
#include "RandomStreams.h"
#include "../../SyntopiaCore/Logging/Logging.h"
using namespace SyntopiaCore::Logging;
namespace StructureSynth {
namespace Model {
QList<RuleRef*> AmbiguousRule::getRuleRefs() const {
QList<RuleRef*> list;
for (int i = 0; i < rules.size(); i++) {
for (int j = 0; j < rules[i]->getRuleRefs().size(); j++) {
list.append(rules[i]->getRuleRefs()[j]);
}
}
return list;
}
void AmbiguousRule::apply(Builder* builder) const {
// Calc sum of weigths
double totalWeight = 0;
for (int i = 0; i < rules.size(); i++) {
totalWeight += rules[i]->getWeight();
}
double random = totalWeight*RandomStreams::Geometry()->getDouble();
// Choose a random rule according to weights
double accWeight = 0;
for (int i = 0; i < rules.size(); i++) {
accWeight += rules[i]->getWeight();
if (random <= accWeight) {
rules[i]->apply(builder);
return;
}
}
rules[rules.size()-1]->apply(builder);
WARNING("Assertion failed: in AmbiguousRule::apply");
};
}
}
|
