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Diffstat (limited to 'sc4pd/source/TIRand.cpp')
| -rw-r--r-- | sc4pd/source/TIRand.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/sc4pd/source/TIRand.cpp b/sc4pd/source/TIRand.cpp new file mode 100644 index 0000000..1c59a6e --- /dev/null +++ b/sc4pd/source/TIRand.cpp @@ -0,0 +1,210 @@ +/* sc4pd + TIRand, TIRand~ + + Copyright (c) 2004 Tim Blechmann. + + This code is derived from: + SuperCollider real time audio synthesis system + Copyright (c) 2002 James McCartney. All rights reserved. + http://www.audiosynth.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. + + Based on: + PureData by Miller Puckette and others. + http://www.crca.ucsd.edu/~msp/software.html + FLEXT by Thomas Grill + http://www.parasitaere-kapazitaeten.net/ext + SuperCollider by James McCartney + http://www.audiosynth.com + + Coded while listening to: Sachiko M: Debris + +*/ + +#include "sc4pd.hpp" + + +/* ------------------------ TIRand~ -------------------------------*/ + +class TIRand_ar: + public sc4pd_dsp +{ + FLEXT_HEADER(TIRand_ar,sc4pd_dsp); + +public: + TIRand_ar(int argc, t_atom *argv); + +protected: + virtual void m_signal(int n, t_sample *const *in, t_sample *const *out); + virtual void m_dsp(int n, t_sample *const *in, t_sample *const *out); + + void m_bang(); + + void m_sethi(int i) + { + hi = i; + range = hi - lo; + } + + void m_setlo(int i) + { + lo = i; + range = hi - lo; + } + + void m_seed(int i) + { + rgen.init(i); + } + +private: + float m_sample; + int lo; + int hi; + int range; + RGen rgen; + + FLEXT_CALLBACK(m_bang); + FLEXT_CALLBACK_I(m_setlo); + FLEXT_CALLBACK_I(m_sethi); + FLEXT_CALLBACK_I(m_seed); +}; + +FLEXT_LIB_DSP_V("TIRand~",TIRand_ar); + +TIRand_ar::TIRand_ar(int argc, t_atom *argv) +{ + AtomList Args(argc,argv); + + if (Args.Count() != 2) + { + post("not enough arguments"); + return; + } + lo=int(sc_getfloatarg(Args,0)); + hi=int(sc_getfloatarg(Args,1)); + range = hi - lo; + + rgen.init(timeseed()); + + AddOutSignal(); + + FLEXT_ADDBANG(0,m_bang); + FLEXT_ADDMETHOD_(0,"setlo",m_setlo); + FLEXT_ADDMETHOD_(0,"sethi",m_sethi); + FLEXT_ADDMETHOD_(0,"seed",m_seed); +} + +void TIRand_ar::m_dsp(int n, t_sample *const *in, t_sample *const *out) +{ + m_sample = float(rgen.irand(range) + lo); +} + + +void TIRand_ar::m_signal(int n, t_sample *const *in, + t_sample *const *out) +{ + t_sample *nout = *out; + + float sample = m_sample; + + for (int i = 0; i!= n;++i) + { + (*(nout)++) = sample; + } +} + +void TIRand_ar::m_bang() +{ + m_sample = float(rgen.irand(range) + lo); +} + +/* ------------------------ TIRand ---------------------------------*/ + +class TIRand_kr: + public flext_base +{ + FLEXT_HEADER(TIRand_kr,flext_base); + +public: + TIRand_kr(int argc, t_atom *argv); + +protected: + void m_loadbang(); + void m_bang(); + + void m_sethi(int i) + { + hi = i; + range = hi - lo; + } + + void m_setlo(int i) + { + lo = i; + range = hi - lo; + } + + void m_seed(int i) + { + rgen.init(i); + } + +private: + int lo; + int hi; + int range; + RGen rgen; + FLEXT_CALLBACK(m_bang); + FLEXT_CALLBACK_I(m_setlo); + FLEXT_CALLBACK_I(m_sethi); + FLEXT_CALLBACK_I(m_seed); +}; + +FLEXT_LIB_V("TIRand",TIRand_kr); + +TIRand_kr::TIRand_kr(int argc, t_atom *argv) +{ + AtomList Args(argc,argv); + if (Args.Count() != 2) + { + post("not enough arguments"); + return; + } + lo=int(sc_getfloatarg(Args,0)); + hi=int(sc_getfloatarg(Args,1)); + range = hi - lo; + + rgen.init(timeseed()); + + AddOutInt(); + + FLEXT_ADDBANG(0,m_bang); + FLEXT_ADDMETHOD_(0,"setlo",m_setlo); + FLEXT_ADDMETHOD_(0,"sethi",m_sethi); + FLEXT_ADDMETHOD_(0,"seed",m_seed); +} + +void TIRand_kr::m_loadbang() +{ + ToOutInt(0,rgen.irand(range) + lo); +} + +void TIRand_kr::m_bang() +{ + ToOutInt(0,rgen.irand(range) + lo); +} |