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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* instrument.cc
*
* Tue Jul 22 17:14:20 CEST 2008
* Copyright 2008 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "instrument.h"
#include <hugin.hpp>
#include "sample.h"
Instrument::Instrument(Settings& settings, Random& rand)
: settings(settings)
, rand(rand)
, powerlist(rand, settings)
{
DEBUG(instrument, "new %p\n", this);
mod = 1.0;
lastpos = 0;
magic = this;
}
Instrument::~Instrument()
{
magic = nullptr;
DEBUG(instrument, "delete %p\n", this);
}
bool Instrument::isValid() const
{
return this == magic;
}
Sample* Instrument::sample(level_t level, size_t pos)
{
Sample *sample = nullptr;
if(version >= VersionStr("2.0"))
{
// Version 2.0
sample = powerlist.get(level * mod);
}
else
{
// Version 1.0
std::vector<Sample*> s = samples.get(level * mod);
if(s.size() == 0)
{
return nullptr;
}
sample = rand.choose(s);
}
return sample;
}
void Instrument::addSample(level_t a, level_t b, Sample* s)
{
samples.insert(a, b, s);
}
void Instrument::finalise()
{
if(version >= VersionStr("2.0"))
{
std::vector<Sample*>::iterator s = samplelist.begin();
while(s != samplelist.end())
{
powerlist.add(*s);
s++;
}
powerlist.finalise();
}
}
const std::string& Instrument::getName() const
{
return _name;
}
const std::string& Instrument::getDescription() const
{
return _description;
}
const std::string& Instrument::getGroup() const
{
return _group;
}
void Instrument::setGroup(const std::string& g)
{
_group = g;
}
std::size_t Instrument::getNumberOfFiles() const
{
DEBUG(instrument, "audiofiles.size() %d", (int)audiofiles.size());
// Note: Each AudioFile instance contains just a single channel even for
// multi-channel files.
return audiofiles.size();
}
float Instrument::getMaxPower() const
{
if(version >= VersionStr("2.0"))
{
return powerlist.getMaxPower();
}
else
{
return 1.0f;
}
}
float Instrument::getMinPower() const
{
if(version >= VersionStr("2.0"))
{
return powerlist.getMinPower();
}
else
{
return 0.0f;
}
}
|
