74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
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* Copyright (C) 2011-2020 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MT32EMU_TVP_H
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#define MT32EMU_TVP_H
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#include "globals.h"
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#include "Types.h"
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#include "Structures.h"
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namespace MT32Emu {
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class Part;
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class Partial;
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class TVP {
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private:
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const Partial * const partial;
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const MemParams::System * const system; // FIXME: Only necessary because masterTune calculation is done in the wrong place atm.
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const Part *part;
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const TimbreParam::PartialParam *partialParam;
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const MemParams::PatchTemp *patchTemp;
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int processTimerIncrement;
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int counter;
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Bit32u timeElapsed;
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int phase;
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Bit32u basePitch;
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Bit32s targetPitchOffsetWithoutLFO;
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Bit32s currentPitchOffset;
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Bit16s lfoPitchOffset;
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// In range -12 - 36
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Bit8s timeKeyfollowSubtraction;
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Bit16s pitchOffsetChangePerBigTick;
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Bit16u targetPitchOffsetReachedBigTick;
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unsigned int shifts;
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Bit16u pitch;
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void updatePitch();
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void setupPitchChange(int targetPitchOffset, Bit8u changeDuration);
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void targetPitchOffsetReached();
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void nextPhase();
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void process();
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public:
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TVP(const Partial *partial);
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void reset(const Part *part, const TimbreParam::PartialParam *partialParam);
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Bit32u getBasePitch() const;
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Bit16u nextPitch();
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void startDecay();
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}; // class TVP
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} // namespace MT32Emu
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#endif // #ifndef MT32EMU_TVP_H
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