engines/sfz/SfzSignalUnitRack.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2011 Grigor Iliev                                       *
 *                                                                         *
 *   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                                                   *
 ***************************************************************************/

#include "SfzSignalUnitRack.h"
#include "Voice.h"
#include <SF.h>

namespace LinuxSampler { namespace sfz {
    
    SfzSignalUnit::SfzSignalUnit(SfzSignalUnitRack* rack): SignalUnit(rack), pVoice(rack->pVoice) {
        
    }
    
    double SfzSignalUnit::GetSampleRate() {
        return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
    }
    
    
    void EGv1Unit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->ampeg_start * 10),
                   std::max(0.0, pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease),
                   std::max(0.0, pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease),
                   std::max(0.0, pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void EGv2Unit::Trigger() {
        EG.trigger(*pEGInfo, GetSampleRate(), pVoice->MIDIVelocity);
    }
    
    
    void PitchEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        depth = pRegion->pitcheg_depth;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->pitcheg_start * 10),
                   std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
                   std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
                   std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void FilEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        depth = pRegion->fileg_depth;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->fileg_start * 10),
                   std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
                   std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
                   std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
                   GetSampleRate());
    }
    

    void LFOUnit::Increment() {
        if (DelayStage()) return;
        
        SignalUnit::Increment();
        
        Level = pLFO->Render();
    }
    
    void LFOUnit::Trigger() {
        //reset
        Level = 0;
        
        // set the delay trigger
        uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
    }
    
    void LFOv1Unit::Trigger() {
        LFOUnit::Trigger();
        
        lfo.trigger (
            pLfoInfo->freq,
            start_level_mid,
            1, 0, false, GetSampleRate()
        );
        lfo.update(0);
    }
    
    
    LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
        : LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
          lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f)
    {
        lfos.add(&lfo0);
        lfos.add(&lfo1);
        lfos.add(&lfo2);
        lfos.add(&lfo3);
        lfos.add(&lfo4);
        lfos.add(&lfo5);
        lfos.add(&lfo6);
        lfos.add(&lfo7);
    }
    
    void LFOv2Unit::Trigger() {
        LFOUnit::Trigger();
        
        if (pLfoInfo->wave < 0 || pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
        else pLFO = lfos[pLfoInfo->wave];
        
        pLFO->Trigger (
            pLfoInfo->freq,
            start_level_mid,
            1, 0, false, GetSampleRate()
        );
        pLFO->Update(0);
    }
    
    void AmpLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->amplfo_delay;
        pLfoInfo->freq = pRegion->amplfo_freq;
        pLfoInfo->volume = pRegion->amplfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    void PitchLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->pitchlfo_delay;
        pLfoInfo->freq = pRegion->pitchlfo_freq;
        pLfoInfo->pitch = pRegion->pitchlfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    void FilLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->fillfo_delay;
        pLfoInfo->freq = pRegion->fillfo_freq;
        pLfoInfo->cutoff = pRegion->fillfo_depth;
        
        LFOv1Unit::Trigger();
    }


    EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
        
    }
    
    SfzSignalUnitRack* const EndpointUnit::GetRack() {
        return static_cast<SfzSignalUnitRack* const>(pRack);
    }
    
    void EndpointUnit::Trigger() {
        
    }
    
    bool EndpointUnit::Active() {
        if (GetRack()->suVolEG.Active()) return true;
        
        bool b = false;
        for (int i = 0; i < GetRack()->volEGs.size(); i++) {
            if (GetRack()->volEGs[i]->Active()) { b = true; break; }
        }
        
        return b;
    }
    
    float EndpointUnit::GetVolume() {
        float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
        
        for (int i = 0; i < GetRack()->volEGs.size(); i++) {
            EGv2Unit* eg = GetRack()->volEGs[i];
            if (!eg->Active()) continue;
            vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
        }
        
        AmpLFOUnit* u = &(GetRack()->suAmpLFO);
        vol *= u->Active() ? ::sf2::ToRatio((u->GetLevel() * u->pLfoInfo->volume) * 10.0) : 1;
        
        return vol;
    }
    
    float EndpointUnit::GetFilterCutoff() {
        float val;
        
        FilLFOUnit* u = &(GetRack()->suFilLFO);
        val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
        
        FilEGUnit* u2 = &(GetRack()->suFilEG);
        val *= u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() * u2->depth) : 1;
        
        for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->filLFOs[i];
            if (!lfo->Active()) continue;
            
            float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
            val *= RTMath::CentsToFreqRatioUnlimited(f);
        }
        
        return val;
    }
    
    float EndpointUnit::GetPitch() {
        double p;
        EGv1Unit* u = &(GetRack()->suPitchEG);
        p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
        
        PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
        p *= u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() * u2->pLfoInfo->pitch) : 1;
        
        return p;
    }
    
    float EndpointUnit::GetResonance() {
         float val = 0;
        
        for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->resLFOs[i];
            if (!lfo->Active()) continue;
            
            val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
        }
        
        return val;
    }
    
    float EndpointUnit::GetPan() {
        float pan = 0;
        
        for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->panLFOs[i];
            if (!lfo->Active()) continue;
            
            pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
        }
        
        if(pan < -100) return -100;
        if(pan >  100) return  100;
        
        return pan;
    }
    
    
    SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
        : SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
        EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount),
        suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
        LFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
    {
        suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
        suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = voice;
        
        for (int i = 0; i < EGs.capacity(); i++) {
            EGs[i] = new EGv2Unit(this);
            EGs[i]->pVoice = voice;
        }
        
        for (int i = 0; i < LFOs.capacity(); i++) {
            LFOs[i] = new LFOv2Unit(this);
            LFOs[i]->pVoice = voice;
        }
    }
    
    SfzSignalUnitRack::~SfzSignalUnitRack() {
        for (int i = 0; i < EGs.capacity(); i++) {
            delete EGs[i]; EGs[i] = NULL;
        }
        
        for (int i = 0; i < LFOs.capacity(); i++) {
            delete LFOs[i]; LFOs[i] = NULL;
        }
    }
    
    void SfzSignalUnitRack::Trigger() {
        EGs.clear();
        volEGs.clear();
        pitchEGs.clear();
        
        LFOs.clear();
        filLFOs.clear();
        resLFOs.clear();
        panLFOs.clear();
        
        ::sfz::Region* const pRegion = pVoice->pRegion;
        
        for (int i = 0; i < pRegion->eg.size(); i++) {
            if (pRegion->eg[i].node.size() == 0) continue;
            
            if(EGs.size() < EGs.capacity()) {
                EGv2Unit eg(this);
                eg.pEGInfo = &(pRegion->eg[i]);
                EGs.increment()->Copy(eg);
            } else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
            
            if (pRegion->eg[i].amplitude > 0) {
                if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
                else std::cerr << "Maximum number of EGs reached!" << std::endl;
            }
        }
        
        if (pRegion->ampeg_sustain == -1) {
            if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
            else pRegion->ampeg_sustain = 100;
        }
        
        // LFO
        for (int i = 0; i < pRegion->lfos.size(); i++) {
            if (pRegion->lfos[i].freq == -1) continue; // Not initialized
            
            if(LFOs.size() < LFOs.capacity()) {
                LFOv2Unit lfo(this);
                lfo.pLfoInfo = &(pRegion->lfos[i]);
                LFOs.increment()->Copy(lfo);
            } else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
            
            if (pRegion->lfos[i].cutoff != 0) {
                if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].resonance != 0) {
                if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].pan != 0) {
                if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
        }
        
        Units.clear();
        
        Units.add(&suVolEG);
        Units.add(&suFilEG);
        Units.add(&suPitchEG);
        Units.add(&suPitchLFO);
        Units.add(&suAmpLFO);
        Units.add(&suFilLFO);
        
        for (int i = 0; i < EGs.size(); i++) {
            Units.add(EGs[i]);
        }
        
        for (int i = 0; i < LFOs.size(); i++) {
            Units.add(LFOs[i]);
        }
        
        Units.add(&suEndpoint);
        
        SignalUnitRack::Trigger();
    }
    
    EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
        return &suEndpoint;
    }
    
    void SfzSignalUnitRack::EnterFadeOutStage() {
        suVolEG.EG.enterFadeOutStage();
        
        for (int i = 0; i < volEGs.size(); i++) {
            volEGs[i]->EG.enterFadeOutStage();
        }
    }
    
}} // namespace LinuxSampler::sfz
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2011 Grigor Iliev *
6	* *
7	* This program is free software; you can redistribute it and/or modify *
8	* it under the terms of the GNU General Public License as published by *
9	* the Free Software Foundation; either version 2 of the License, or *
10	* (at your option) any later version. *
11	* *
12	* This program is distributed in the hope that it will be useful, *
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15	* GNU General Public License for more details. *
16	* *
17	* You should have received a copy of the GNU General Public License *
18	* along with this program; if not, write to the Free Software *
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20	* MA 02111-1307 USA *
21	***************************************************************************/
22
23	#include "SfzSignalUnitRack.h"
24	#include "Voice.h"
25	#include <SF.h>
26
27	namespace LinuxSampler { namespace sfz {
28
29	SfzSignalUnit::SfzSignalUnit(SfzSignalUnitRack* rack): SignalUnit(rack), pVoice(rack->pVoice) {
30
31	}
32
33	double SfzSignalUnit::GetSampleRate() {
34	return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
35	}
36
37
38	void EGv1Unit::Trigger() {
39	::sfz::Region* const pRegion = pVoice->pRegion;
40
41	// the length of the decay and release curves are dependent on the velocity
42	const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
43
44	// set the delay trigger
45	uiDelayTrigger = (pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease) * GetSampleRate();
46
47	EG.trigger(uint(pRegion->ampeg_start * 10),
48	std::max(0.0, pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease),
49	std::max(0.0, pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease),
50	std::max(0.0, pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease),
51	uint(std::min(std::max(0.0, 10 * (pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease)), 1000.0)),
52	std::max(0.0, pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease),
53	GetSampleRate());
54	}
55
56
57	void EGv2Unit::Trigger() {
58	EG.trigger(*pEGInfo, GetSampleRate(), pVoice->MIDIVelocity);
59	}
60
61
62	void PitchEGUnit::Trigger() {
63	::sfz::Region* const pRegion = pVoice->pRegion;
64	depth = pRegion->pitcheg_depth;
65
66	// the length of the decay and release curves are dependent on the velocity
67	const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
68
69	// set the delay trigger
70	uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
71
72	EG.trigger(uint(pRegion->pitcheg_start * 10),
73	std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
74	std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
75	std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
76	uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
77	std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
78	GetSampleRate());
79	}
80
81
82	void FilEGUnit::Trigger() {
83	::sfz::Region* const pRegion = pVoice->pRegion;
84	depth = pRegion->fileg_depth;
85
86	// the length of the decay and release curves are dependent on the velocity
87	const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
88
89	// set the delay trigger
90	uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
91
92	EG.trigger(uint(pRegion->fileg_start * 10),
93	std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
94	std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
95	std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
96	uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
97	std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
98	GetSampleRate());
99	}
100
101
102	void LFOUnit::Increment() {
103	if (DelayStage()) return;
104
105	SignalUnit::Increment();
106
107	Level = pLFO->Render();
108	}
109
110	void LFOUnit::Trigger() {
111	//reset
112	Level = 0;
113
114	// set the delay trigger
115	uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
116	}
117
118	void LFOv1Unit::Trigger() {
119	LFOUnit::Trigger();
120
121	lfo.trigger (
122	pLfoInfo->freq,
123	start_level_mid,
124	1, 0, false, GetSampleRate()
125	);
126	lfo.update(0);
127	}
128
129
130	LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
131	: LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
132	lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f)
133	{
134	lfos.add(&lfo0);
135	lfos.add(&lfo1);
136	lfos.add(&lfo2);
137	lfos.add(&lfo3);
138	lfos.add(&lfo4);
139	lfos.add(&lfo5);
140	lfos.add(&lfo6);
141	lfos.add(&lfo7);
142	}
143
144	void LFOv2Unit::Trigger() {
145	LFOUnit::Trigger();
146
147	if (pLfoInfo->wave < 0 \|\| pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
148	else pLFO = lfos[pLfoInfo->wave];
149
150	pLFO->Trigger (
151	pLfoInfo->freq,
152	start_level_mid,
153	1, 0, false, GetSampleRate()
154	);
155	pLFO->Update(0);
156	}
157
158	void AmpLFOUnit::Trigger() {
159	::sfz::Region* const pRegion = pVoice->pRegion;
160	pLfoInfo->delay = pRegion->amplfo_delay;
161	pLfoInfo->freq = pRegion->amplfo_freq;
162	pLfoInfo->volume = pRegion->amplfo_depth;
163
164	LFOv1Unit::Trigger();
165	}
166
167	void PitchLFOUnit::Trigger() {
168	::sfz::Region* const pRegion = pVoice->pRegion;
169	pLfoInfo->delay = pRegion->pitchlfo_delay;
170	pLfoInfo->freq = pRegion->pitchlfo_freq;
171	pLfoInfo->pitch = pRegion->pitchlfo_depth;
172
173	LFOv1Unit::Trigger();
174	}
175
176	void FilLFOUnit::Trigger() {
177	::sfz::Region* const pRegion = pVoice->pRegion;
178	pLfoInfo->delay = pRegion->fillfo_delay;
179	pLfoInfo->freq = pRegion->fillfo_freq;
180	pLfoInfo->cutoff = pRegion->fillfo_depth;
181
182	LFOv1Unit::Trigger();
183	}
184
185
186	EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
187
188	}
189
190	SfzSignalUnitRack* const EndpointUnit::GetRack() {
191	return static_cast<SfzSignalUnitRack* const>(pRack);
192	}
193
194	void EndpointUnit::Trigger() {
195
196	}
197
198	bool EndpointUnit::Active() {
199	if (GetRack()->suVolEG.Active()) return true;
200
201	bool b = false;
202	for (int i = 0; i < GetRack()->volEGs.size(); i++) {
203	if (GetRack()->volEGs[i]->Active()) { b = true; break; }
204	}
205
206	return b;
207	}
208
209	float EndpointUnit::GetVolume() {
210	float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
211
212	for (int i = 0; i < GetRack()->volEGs.size(); i++) {
213	EGv2Unit* eg = GetRack()->volEGs[i];
214	if (!eg->Active()) continue;
215	vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
216	}
217
218	AmpLFOUnit* u = &(GetRack()->suAmpLFO);
219	vol = u->Active() ? ::sf2::ToRatio((u->GetLevel() u->pLfoInfo->volume) * 10.0) : 1;
220
221	return vol;
222	}
223
224	float EndpointUnit::GetFilterCutoff() {
225	float val;
226
227	FilLFOUnit* u = &(GetRack()->suFilLFO);
228	val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
229
230	FilEGUnit* u2 = &(GetRack()->suFilEG);
231	val = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->depth) : 1;
232
233	for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
234	LFOv2Unit* lfo = GetRack()->filLFOs[i];
235	if (!lfo->Active()) continue;
236
237	float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
238	val *= RTMath::CentsToFreqRatioUnlimited(f);
239	}
240
241	return val;
242	}
243
244	float EndpointUnit::GetPitch() {
245	double p;
246	EGv1Unit* u = &(GetRack()->suPitchEG);
247	p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
248
249	PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
250	p = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->pLfoInfo->pitch) : 1;
251
252	return p;
253	}
254
255	float EndpointUnit::GetResonance() {
256	float val = 0;
257
258	for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
259	LFOv2Unit* lfo = GetRack()->resLFOs[i];
260	if (!lfo->Active()) continue;
261
262	val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
263	}
264
265	return val;
266	}
267
268	float EndpointUnit::GetPan() {
269	float pan = 0;
270
271	for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
272	LFOv2Unit* lfo = GetRack()->panLFOs[i];
273	if (!lfo->Active()) continue;
274
275	pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
276	}
277
278	if(pan < -100) return -100;
279	if(pan > 100) return 100;
280
281	return pan;
282	}
283
284
285	SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
286	: SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
287	EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount),
288	suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
289	LFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
290	{
291	suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
292	suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = voice;
293
294	for (int i = 0; i < EGs.capacity(); i++) {
295	EGs[i] = new EGv2Unit(this);
296	EGs[i]->pVoice = voice;
297	}
298
299	for (int i = 0; i < LFOs.capacity(); i++) {
300	LFOs[i] = new LFOv2Unit(this);
301	LFOs[i]->pVoice = voice;
302	}
303	}
304
305	SfzSignalUnitRack::~SfzSignalUnitRack() {
306	for (int i = 0; i < EGs.capacity(); i++) {
307	delete EGs[i]; EGs[i] = NULL;
308	}
309
310	for (int i = 0; i < LFOs.capacity(); i++) {
311	delete LFOs[i]; LFOs[i] = NULL;
312	}
313	}
314
315	void SfzSignalUnitRack::Trigger() {
316	EGs.clear();
317	volEGs.clear();
318	pitchEGs.clear();
319
320	LFOs.clear();
321	filLFOs.clear();
322	resLFOs.clear();
323	panLFOs.clear();
324
325	::sfz::Region* const pRegion = pVoice->pRegion;
326
327	for (int i = 0; i < pRegion->eg.size(); i++) {
328	if (pRegion->eg[i].node.size() == 0) continue;
329
330	if(EGs.size() < EGs.capacity()) {
331	EGv2Unit eg(this);
332	eg.pEGInfo = &(pRegion->eg[i]);
333	EGs.increment()->Copy(eg);
334	} else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
335
336	if (pRegion->eg[i].amplitude > 0) {
337	if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
338	else std::cerr << "Maximum number of EGs reached!" << std::endl;
339	}
340	}
341
342	if (pRegion->ampeg_sustain == -1) {
343	if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
344	else pRegion->ampeg_sustain = 100;
345	}
346
347	// LFO
348	for (int i = 0; i < pRegion->lfos.size(); i++) {
349	if (pRegion->lfos[i].freq == -1) continue; // Not initialized
350
351	if(LFOs.size() < LFOs.capacity()) {
352	LFOv2Unit lfo(this);
353	lfo.pLfoInfo = &(pRegion->lfos[i]);
354	LFOs.increment()->Copy(lfo);
355	} else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
356
357	if (pRegion->lfos[i].cutoff != 0) {
358	if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
359	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
360	}
361
362	if (pRegion->lfos[i].resonance != 0) {
363	if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
364	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
365	}
366
367	if (pRegion->lfos[i].pan != 0) {
368	if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
369	else std::cerr << "Maximum number of LFOs reached!" << std::endl;
370	}
371	}
372
373	Units.clear();
374
375	Units.add(&suVolEG);
376	Units.add(&suFilEG);
377	Units.add(&suPitchEG);
378	Units.add(&suPitchLFO);
379	Units.add(&suAmpLFO);
380	Units.add(&suFilLFO);
381
382	for (int i = 0; i < EGs.size(); i++) {
383	Units.add(EGs[i]);
384	}
385
386	for (int i = 0; i < LFOs.size(); i++) {
387	Units.add(LFOs[i]);
388	}
389
390	Units.add(&suEndpoint);
391
392	SignalUnitRack::Trigger();
393	}
394
395	EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
396	return &suEndpoint;
397	}
398
399	void SfzSignalUnitRack::EnterFadeOutStage() {
400	suVolEG.EG.enterFadeOutStage();
401
402	for (int i = 0; i < volEGs.size(); i++) {
403	volEGs[i]->EG.enterFadeOutStage();
404	}
405	}
406
407	}} // namespace LinuxSampler::sfz